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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 1.337 by root, Tue Aug 21 00:54:01 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
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
1022	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
1023	}	1158	if $reply;
1024	}	1159	}
1025	} else {	1160	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1162	}
1028		1163
1029	cf::override;	1164	cf::override;
1030	},	1165	},
1031	);	1166	);
1032		1167
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 {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
1061	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1173	next unless -r $path;
1063	eval {	1174
1064	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
1065	1	1232	}
1066	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
1067	}	1238	};
1068	}	1239	}
1069		1240
1070	#############################################################################	1241	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1242
1073	*cf::mapsupport::on_clean = sub {	1243	=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		1244
1086	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
1087		1246
1088	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
1089		1248
…		…
1102	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
1103		1262
1104	=cut	1263	=cut
1105		1264
1106	sub playerdir($) {	1265	sub playerdir($) {
1107	cf::localdir	1266	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1268	}
1113		1269
1114	sub path($) {	1270	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1272
1117	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
1118	}	1274	}
1119		1275
1120	sub find_active($) {	1276	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
1125		1281
1126	sub exists($) {	1282	sub exists($) {
1127	my ($login) = @_;	1283	my ($login) = @_;
1128		1284
1129	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
1131	}	1287	}
1132		1288
1133	sub find($) {	1289	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1291	my $login = $_[0];
1136		1292
1137	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
1138		1294
1139	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
1140	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
1141	or return;	1304	or return;
1142	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
1143	}	1306	}
1144	}	1307	}
…		…
1172	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1173		1336
1174	$self	1337	$self
1175	}	1338	}
1176		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1177	=item $pl->quit_character	1350	=item $pl->quit_character
1178		1351
1179	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1180	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1181		1354
1182	=cut	1355	=cut
1183		1356
1184	sub quit_character {	1357	sub quit_character {
1185	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1186		1361
1187	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1364
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1200	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1201	}	1396	}
1202		1397
1203	=item cf::player::list_logins	1398	=item cf::player::list_logins
1204		1399
1205	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1207		1402
1208	=cut	1403	=cut
1209		1404
1210	sub list_logins {	1405	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1407	or return [];
1213		1408
1214	my @logins;	1409	my @logins;
1215		1410
1216	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1225	\@logins	1420	\@logins
1226	}	1421	}
1227		1422
1228	=item $player->maps	1423	=item $player->maps
1229		1424
1230	Returns an arrayref of cf::path's of all maps that are private for this	1425	Returns an arrayref of map paths that are private for this
1231	player. May block.	1426	player. May block.
1232		1427
1233	=cut	1428	=cut
1234		1429
1235	sub maps($) {	1430	sub maps($) {
1236	my ($pl) = @_;	1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1434
1238	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1239	or return;	1436	or return;
1240		1437
1241	my @paths;	1438	my @paths;
…		…
1243	for (@$files) {	1440	for (@$files) {
1244	utf8::decode $_;	1441	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1247		1444
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1445	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1446	}
1250		1447
1251	\@paths	1448	\@paths
1252	}	1449	}
1253		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1255		1502
1256	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1257		1504
1258	=cut	1505	=cut
1259		1506
1260	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1262		1509
1263	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1511	}
1267		1512
1268	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1269		1553
1270	=back	1554	=back
1271
1272		1555
1273	=head3 cf::map	1556	=head3 cf::map
1274		1557
1275	=over 4	1558	=over 4
1276		1559
…		…
1279	package cf::map;	1562	package cf::map;
1280		1563
1281	use Fcntl;	1564	use Fcntl;
1282	use Coro::AIO;	1565	use Coro::AIO;
1283		1566
		1567	use overload
		1568	'""' => \&as_string,
		1569	fallback => 1;
		1570
1284	our $MAX_RESET = 3600;	1571	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1572	our $DEFAULT_RESET = 3000;
1286		1573
1287	sub generate_random_map {	1574	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1575	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1576	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1577	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1581	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1582	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1589	)
1305	}	1590	}
1306		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
		1600	sub register {
		1601	my (undef, $regex, $prio) = @_;
		1602	my $pkg = caller;
		1603
		1604	no strict;
		1605	push @{"$pkg\::ISA"}, __PACKAGE__;
		1606
		1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1608	}
		1609
		1610	# also paths starting with '/'
		1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1612
		1613	sub thawer_merge {
		1614	my ($self, $merge) = @_;
		1615
		1616	# we have to keep some variables in memory intact
		1617	local $self->{path};
		1618	local $self->{load_path};
		1619
		1620	$self->SUPER::thawer_merge ($merge);
		1621	}
		1622
		1623	sub normalise {
		1624	my ($path, $base) = @_;
		1625
		1626	$path = "$path"; # make sure its a string
		1627
		1628	$path =~ s/\.map$//;
		1629
		1630	# map plan:
		1631	#
		1632	# /! non-realised random map exit (special hack!)
		1633	# {... are special paths that are not being touched
		1634	# ?xxx/... are special absolute paths
		1635	# ?random/... random maps
		1636	# /... normal maps
		1637	# ~user/... per-player map of a specific user
		1638
		1639	$path =~ s/$PATH_SEP/\//go;
		1640
		1641	# treat it as relative path if it starts with
		1642	# something that looks reasonable
		1643	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1644	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1645
		1646	$base =~ s{[^/]+/?$}{};
		1647	$path = "$base/$path";
		1648	}
		1649
		1650	for ($path) {
		1651	redo if s{//}{/};
		1652	redo if s{/\.?/}{/};
		1653	redo if s{/[^/]+/\.\./}{/};
		1654	}
		1655
		1656	$path
		1657	}
		1658
		1659	sub new_from_path {
		1660	my (undef, $path, $base) = @_;
		1661
		1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1663
		1664	$path = normalise $path, $base;
		1665
		1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1668	my $self = bless cf::map::new, $pkg;
		1669	$self->{path} = $path; $self->path ($path);
		1670	$self->init; # pass $1 etc.
		1671	return $self;
		1672	}
		1673	}
		1674
		1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1676	()
		1677	}
		1678
		1679	sub init {
		1680	my ($self) = @_;
		1681
		1682	$self
		1683	}
		1684
		1685	sub as_string {
		1686	my ($self) = @_;
		1687
		1688	"$self->{path}"
		1689	}
		1690
		1691	# the displayed name, this is a one way mapping
		1692	sub visible_name {
		1693	&as_string
		1694	}
		1695
		1696	# the original (read-only) location
		1697	sub load_path {
		1698	my ($self) = @_;
		1699
		1700	"$MAPDIR/$self->{path}.map"
		1701	}
		1702
		1703	# the temporary/swap location
		1704	sub save_path {
		1705	my ($self) = @_;
		1706
		1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1708	"$TMPDIR/$path.map"
		1709	}
		1710
		1711	# the unique path, undef == no special unique path
		1712	sub uniq_path {
		1713	my ($self) = @_;
		1714
		1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1716	"$UNIQUEDIR/$path"
		1717	}
		1718
1307	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1308	# all maps in C++...	1720	# all maps in C++...
1309	sub change_all_map_light {	1721	sub change_all_map_light {
1310	my ($change) = @_;	1722	my ($change) = @_;
1311		1723
1312	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1314	}	1726	}
1315		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
		1736	sub unlink_save {
		1737	my ($self) = @_;
		1738
		1739	utf8::encode (my $save = $self->save_path);
		1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1742	}
		1743
1316	sub load_map_header($) {	1744	sub load_header_from($) {
1317	my ($path) = @_;	1745	my ($self, $path) = @_;
1318		1746
1319	utf8::encode $path;	1747	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1748	#aio_open $path, O_RDONLY, 0
		1749	# or return;
		1750
		1751	$self->_load_header ($path)
1321	or return;	1752	or return;
1322		1753
1323	my $map = cf::map::new	1754	$self->{load_path} = $path;
		1755
		1756	1
		1757	}
		1758
		1759	sub load_header_orig {
		1760	my ($self) = @_;
		1761
		1762	$self->load_header_from ($self->load_path)
		1763	}
		1764
		1765	sub load_header_temp {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
		1788	}
		1789
		1790	sub load_header {
		1791	my ($self) = @_;
		1792
		1793	if ($self->load_header_temp) {
		1794	$self->prepare_temp;
		1795	} else {
		1796	$self->load_header_orig
1324	or return;	1797	or return;
		1798	$self->prepare_orig;
		1799	}
1325		1800
1326	# for better error messages only, will be overwritten later	1801	$self->{deny_reset} = 1
1327	$map->path ($path);	1802	if $self->no_reset;
1328		1803
1329	$map->load_header ($path)	1804	$self->default_region (cf::region::find_by_path $self->{path})
1330	or return;	1805	unless $self->default_region;
1331		1806
1332	$map->{load_path} = $path;	1807	1
1333
1334	$map
1335	}	1808	}
1336		1809
1337	sub find;	1810	sub find;
1338	sub find {	1811	sub find {
1339	my ($path, $origin) = @_;	1812	my ($path, $origin) = @_;
1340		1813
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1814	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1815
1346	cf::lock_wait "map_find:$key";	1816	cf::lock_wait "map_find:$path";
1347		1817
1348	$cf::MAP{$key} || do {	1818	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1819	my $guard = cf::lock_acquire "map_find:$path";
1350		1820	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;	1821	or return;
1365		1822
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;	1823	$map->{last_save} = $cf::RUNTIME;
1378		1824
1379	Coro::cede;	1825	$map->load_header
		1826	or return;
1380		1827
1381	if ($map->should_reset) {	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
		1830	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1831	$map->reset;
1383	undef $guard;	1832	undef $guard;
1384	$map = find $path	1833	return find $path;
1385	or return;
1386	}	1834	}
1387		1835
1388	$cf::MAP{$key} = $map	1836	$cf::MAP{$path} = $map
1389	}	1837	}
1390	}	1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
1391		1842
1392	sub load {	1843	sub load {
1393	my ($self) = @_;	1844	my ($self) = @_;
1394		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
1395	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1851	my $guard = cf::lock_acquire "map_load:$path";
1397		1852
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1854
1400	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1401		1856
1402	$self->alloc;	1857	$self->alloc;
		1858
		1859	$self->pre_load;
		1860	Coro::cede;
		1861
1403	$self->load_objects ($self->{load_path}, 1)	1862	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1863	or return;
1405		1864
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1866	if delete $self->{load_original};
1408		1867
1409	if (my $uniq = $path->uniq_path) {	1868	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1869	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1870	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1871	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1872	$self->_load_objects ($uniq, 0);
1414	}	1873	}
1415	}	1874	}
1416		1875
1417	Coro::cede;	1876	Coro::cede;
1418
1419	# now do the right thing for maps	1877	# now do the right thing for maps
1420	$self->link_multipart_objects;	1878	$self->link_multipart_objects;
1421
1422	if ($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)	1879	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1880	unless $self->difficulty;
		1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1432	$self->activate;	1890	$self->activate;
1433	}	1891	}
1434		1892
1435	Coro::cede;	1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
1436		1895
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
		1900	}
		1901
		1902	sub customise_for {
		1903	my ($self, $ob) = @_;
		1904
		1905	return find "~" . $ob->name . "/" . $self->{path}
		1906	if $self->per_player;
		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
		1911	$self
1438	}	1912	}
1439		1913
1440	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1915	sub load_neighbours {
1442	my ($map) = @_;	1916	my ($map) = @_;
1443		1917
1444	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1445		1919
1446	for (0 .. 3) {	1920	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1448	or next;	1922	or next;
1449	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1450	or next;	1924	or next;
1451	$neigh->load;	1925	$neigh->load;
1452		1926
		1927	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	1930	}
1456		1931
1457	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1459	or next;	1935	or next;
1460	$neigh->load;	1936	$neigh->load;
1461	}	1937	}
1462	}	1938	}
1463		1939
…		…
1472		1948
1473	cf::sync_job { $map->load };	1949	cf::sync_job { $map->load };
1474	}	1950	}
1475		1951
1476	our %MAP_PREFETCH;	1952	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1953	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1954
1492	sub find_async {	1955	sub find_async {
1493	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1494		1957
1495	$path = new cf::path $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1959
1498	if (my $map = $cf::MAP{$key}) {	1960	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1962	}
1501		1963
1502	$MAP_PREFETCH{$key} = $path;	1964	undef $MAP_PREFETCH{$path};
		1965	$MAP_PREFETCHER ||= cf::async {
		1966	while (%MAP_PREFETCH) {
		1967	for my $path (keys %MAP_PREFETCH) {
		1968	if (my $map = find $path) {
		1969	$map->load;
		1970	}
		1971
		1972	delete $MAP_PREFETCH{$path};
		1973	}
		1974	}
		1975	undef $MAP_PREFETCHER;
		1976	};
1503	$MAP_PREFETCHER->ready;	1977	$MAP_PREFETCHER->prio (6);
1504		1978
1505	()	1979	()
1506	}	1980	}
1507		1981
1508	sub save {	1982	sub save {
…		…
1512		1986
1513	$self->{last_save} = $cf::RUNTIME;	1987	$self->{last_save} = $cf::RUNTIME;
1514		1988
1515	return unless $self->dirty;	1989	return unless $self->dirty;
1516		1990
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1991	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1992	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1993
1520	$self->{load_path} = $save;	1994	$self->{load_path} = $save;
1521		1995
1522	return if $self->{deny_save};	1996	return if $self->{deny_save};
1523		1997
…		…
1526	cf::async {	2000	cf::async {
1527	$_->contr->save for $self->players;	2001	$_->contr->save for $self->players;
1528	};	2002	};
1529		2003
1530	if ($uniq) {	2004	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	2007	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	2009	}
1536	}	2010	}
1537		2011
1538	sub swap_out {	2012	sub swap_out {
1539	my ($self) = @_;	2013	my ($self) = @_;
…		…
1553		2027
1554	sub reset_at {	2028	sub reset_at {
1555	my ($self) = @_;	2029	my ($self) = @_;
1556		2030
1557	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1560		2033
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2036
…		…
1568	my ($self) = @_;	2041	my ($self) = @_;
1569		2042
1570	$self->reset_at <= $cf::RUNTIME	2043	$self->reset_at <= $cf::RUNTIME
1571	}	2044	}
1572		2045
1573	sub rename {
1574	my ($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	$self->save;
1584	}
1585
1586	sub reset {	2046	sub reset {
1587	my ($self) = @_;	2047	my ($self) = @_;
1588		2048
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2050
1591	return if $self->players;	2051	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2052
1594	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1595		2064
1596	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
1597		2066
		2067	$self->clear;
		2068
1598	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1599		2070
1600	$self->{path}->unlink_save;	2071	$self->unlink_save;
1601	$self->destroy;	2072	$self->destroy;
1602	}	2073	}
1603		2074
1604	my $nuke_counter = "aaaa";	2075	my $nuke_counter = "aaaa";
1605		2076
1606	sub nuke {	2077	sub nuke {
1607	my ($self) = @_;	2078	my ($self) = @_;
1608		2079
		2080	delete $cf::MAP{$self->path};
		2081
		2082	$self->unlink_save;
		2083
		2084	bless $self, "cf::map";
		2085	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2086	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2087	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2089
		2090	$cf::MAP{$self->path} = $self;
		2091
1612	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1613	}	2093	}
1614		2094
		2095	=item $maps = cf::map::tmp_maps
		2096
		2097	Returns an arrayref with all map paths of currently instantiated and saved
		2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
		2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
		2112
		2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
		2129	}
		2130
1615	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1616		2132
1617	Returns an arrayref of cf::path's of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2134	instantiated unique items. May block.
1619		2135
1620	=cut	2136	=cut
1621		2137
1622	sub unique_maps() {	2138	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1624	or return;	2140	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2141	utf8::decode $_;
1630	next if /\.pst$/;	2142	/\.map$/
1631	next unless /^$PATH_SEP/o;	2143	? normalise $_
1632		2144	: ()
1633	push @paths, new cf::path $_;	2145	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2146	]
1635
1636	\@paths
1637	}	2147	}
1638		2148
1639	package cf;	2149	package cf;
1640		2150
1641	=back	2151	=back
…		…
1687		2197
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2199
1690	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1692	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1695	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1696	}	2225	}
1697		2226
1698	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1699		2228
1700	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1713		2242
1714	=item $player_object->enter_link	2243	=item $player_object->enter_link
1715		2244
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2245	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2246
1718	The player should be reaosnably safe there for short amounts of time. You	2247	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.	2248	I<MUST> call C<leave_link> as soon as possible, though.
1720		2249
		2250	Will never block.
		2251
1721	=item $player_object->leave_link ($map, $x, $y)	2252	=item $player_object->leave_link ($map, $x, $y)
1722		2253
1723	Moves the player out of the specila link map onto the given map. If the	2254	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2255	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2256	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2257	fails, to the emergency map position.
1727		2258
1728	Might block.	2259	Might block.
1729		2260
1730	=cut	2261	=cut
		2262
		2263	sub link_map {
		2264	unless ($LINK_MAP) {
		2265	$LINK_MAP = cf::map::find "{link}"
		2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2267	$LINK_MAP->load;
		2268	}
		2269
		2270	$LINK_MAP
		2271	}
1731		2272
1732	sub cf::object::player::enter_link {	2273	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2274	my ($self) = @_;
1734		2275
1735	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1736		2277
1737	return if $self->map == $LINK_MAP;	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2279
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1741		2282
1742	$self->enter_map ($LINK_MAP, 20, 20);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2284	}
1744		2285
1745	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1747		2290
1748	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1749		2292
1750	unless ($map) {	2293	unless ($map) {
1751	# restore original map position	2294	# restore original map position
…		…
1765	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1768		2311
1769	$map->load;	2312	$map->load;
1770	$map->load_diag;	2313	$map->load_neighbours;
1771		2314
1772	return unless $self->contr->active;	2315	return unless $self->contr->active;
1773	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1775	}	2320	}
1776		2321
1777	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2323
1781	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1785	};	2328	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2329
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	2330	=cut
		2331
		2332	our $GOTOGEN;
1812		2333
1813	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2336
1816	$path = new cf::path $path;	2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2339
1818	$self->enter_link;	2340	$self->enter_link;
1819		2341
1820	(async {	2342	(async {
		2343	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	2344	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2345
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	2346	if ($map) {
1826		2347	$map = $map->customise_for ($self);
		2348	$map = $check->($map) if $check && $map;
		2349	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
1828		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1830	})->prio (1);	2367	})->prio (1);
1831	}	2368	}
1832		2369
1833	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1834		2371
…		…
1836		2373
1837	sub parse_random_map_params {	2374	sub parse_random_map_params {
1838	my ($spec) = @_;	2375	my ($spec) = @_;
1839		2376
1840	my $rmp = { # defaults	2377	my $rmp = { # defaults
1841	xsize => 10,	2378	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2379	ysize => (cf::rndm 15, 40),
		2380	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2381	#layout => string,
1843	};	2382	};
1844		2383
1845	for (split /\n/, $spec) {	2384	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2385	my ($k, $v) = split /\s+/, $_, 2;
1847		2386
…		…
1851	$rmp	2390	$rmp
1852	}	2391	}
1853		2392
1854	sub prepare_random_map {	2393	sub prepare_random_map {
1855	my ($exit) = @_;	2394	my ($exit) = @_;
		2395
		2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2397
1857	# all this does is basically replace the /! path by	2398	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2399	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2400	# that depends on the exit object
1860		2401
1861	my $rmp = parse_random_map_params $exit->msg;	2402	my $rmp = parse_random_map_params $exit->msg;
1862		2403
1863	if ($exit->map) {	2404	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2405	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2406	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2407	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2408	$rmp->{origin_y} = $exit->y;
1868	}	2409	}
1869		2410
1870	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1871		2412
1872	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
		2415	my $meta = "$RANDOMDIR/$md5.meta";
1874		2416
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
		2419	undef $fh;
		2420	aio_rename "$meta~", $meta;
1877		2421
1878	$exit->slaying ("?random/$md5");	2422	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2423	$exit->msg (undef);
1880	}	2424	}
1881	}	2425	}
…		…
1883	sub cf::object::player::enter_exit {	2427	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2428	my ($self, $exit) = @_;
1885		2429
1886	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1887		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
1888	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1889		2448
1890	(async {	2449	(async {
1891	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2451	unless (eval {
1893	prepare_random_map $exit	2452	$self->goto ($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		2453
1899	1;	2454	1;
1900	}) {	2455	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2458	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2460
1906	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2462	$self->leave_link;
1908	}	2463	}
1909	})->prio (1);	2464	})->prio (1);
…		…
1922		2477
1923	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1925		2480
1926	utf8::encode $text;	2481	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2483	}
1929		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1930		2583
1931	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1932		2585
1933	Queues a query to the client, calling the given callback with	2586	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>,	2587	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>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		2589
1937	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	2591	become reliable at some point in the future.
1939		2592
1940	=cut	2593	=cut
1941		2594
1942	sub cf::client::query {	2595	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2604	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2606
1954	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1956	}	2611	}
1957		2612
1958	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1959	on_reply => sub {	2619	on_reply => sub {
1960	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1961		2621
1962	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1963	# get handled first	2623	# get handled first
1964	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2626
1967	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2629
1969	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1970		2631
1971	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2633	if (@$queue) {
…		…
1974	} else {	2635	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	2637	}
1977	}	2638	}
1978	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1979	);	2663	);
1980		2664
1981	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1982		2666
1983	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2024	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
2026		2710
2027	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
2028		2712
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
2030		2718
2031	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2032		2720
2033	=pod	2721	=pod
2034		2722
2035	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2036		2724
2037	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2038	cf::object::player player	2729	cf::object::player
2039	cf::player peaceful	2730	player
2040	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2041		2737
2042	=cut	2738	=cut
2043		2739
2044	for (	2740	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2046	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2048	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2049	) {	2746	) {
2050	no strict 'refs';	2747	no strict 'refs';
…		…
2121	=back	2818	=back
2122		2819
2123	=cut	2820	=cut
2124		2821
2125	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
2126		2824
2127	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
2128		2827
2129	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
2130	currently store anything that can be serialised using Storable, which
2131	excludes objects.
2132		2829
2133	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
2134	using it, it should be unique.
2135		2831
2136	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
2137		2835
2138	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
2139		2837
2140	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
2141	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2142	C<cf::db_sync>.
2143		2840
2144	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
2145		2842	$facedata->{resource}{"res/exp_table"} = {
2146	Returns a single value from the database	2843	type => FT_RSRC,
2147		2844	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	});	2845	};
		2846	cf::cede_to_tick;
2199		2847
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
2204		2850
2205	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
2208	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
2209	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210		2857
2211	sub db_put($$;$) {	2858	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	},	2859	}
2225	);
2226	}
2227		2860
2228	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	} else {
		2908	$data = $info->{data};
		2909	}
		2910
		2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2912	cf::face::set_type $idx, $info->{type};
		2913
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	if ($soundconf) {
		2918	$soundconf = $enc->decode (delete $soundconf->{data});
		2919
		2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2921	my $sound = $soundconf->{compat}[$_]
		2922	or next;
		2923
		2924	my $face = cf::face::find "sound/$sound->[1]";
		2925	cf::sound::set $sound->[0] => $face;
		2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2927	}
		2928
		2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2930	my $face = cf::face::find "sound/$v";
		2931	cf::sound::set $k => $face;
		2932	}
		2933	}
		2934	}
		2935
		2936	1
		2937	}
		2938
		2939	register_exticmd fx_want => sub {
		2940	my ($ns, $want) = @_;
		2941
		2942	while (my ($k, $v) = each %$want) {
		2943	$ns->fx_want ($k, $v);
		2944	}
		2945	};
		2946
		2947	sub reload_regions {
		2948	load_resource_file "$MAPDIR/regions"
		2949	or die "unable to load regions file\n";
		2950
		2951	for (cf::region::list) {
		2952	$_->{match} = qr/$_->{match}/
		2953	if exists $_->{match};
		2954	}
		2955	}
		2956
		2957	sub reload_facedata {
		2958	load_facedata "$DATADIR/facedata"
		2959	or die "unable to load facedata\n";
		2960	}
		2961
		2962	sub reload_archetypes {
		2963	load_resource_file "$DATADIR/archetypes"
		2964	or die "unable to load archetypes\n";
		2965	#d# NEED to laod twice to resolve forward references
		2966	# this really needs to be done in an extra post-pass
		2967	# (which needs to be synchronous, so solve it differently)
		2968	load_resource_file "$DATADIR/archetypes"
		2969	or die "unable to load archetypes\n";
		2970	}
		2971
		2972	sub reload_treasures {
		2973	load_resource_file "$DATADIR/treasures"
		2974	or die "unable to load treasurelists\n";
		2975	}
		2976
		2977	sub reload_resources {
		2978	warn "reloading resource files...\n";
		2979
		2980	reload_regions;
		2981	reload_facedata;
		2982	#reload_archetypes;#d#
		2983	reload_archetypes;
		2984	reload_treasures;
		2985
		2986	warn "finished reloading resource files\n";
		2987	}
		2988
		2989	sub init {
		2990	reload_resources;
		2991	}
2230		2992
2231	sub cfg_load {	2993	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2994	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	2995	or return;
2234		2996
2235	local $/;	2997	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	2998	*CFG = YAML::Syck::Load <$fh>;
2237		2999
…		…
2251		3013
2252	sub main {	3014	sub main {
2253	# we must not ever block the main coroutine	3015	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3016	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3018	(async {
2256	async { Event::one_event };	3019	Event::one_event;
		3020	})->prio (Coro::PRIO_MAX);
2257	};	3021	};
2258		3022
2259	cfg_load;	3023	cfg_load;
2260	db_load;	3024	db_init;
2261	load_extensions;	3025	load_extensions;
		3026
		3027	$TICK_WATCHER->start;
2262	Event::loop;	3028	Event::loop;
2263	}	3029	}
2264		3030
2265	#############################################################################	3031	#############################################################################
2266	# initialisation and cleanup	3032	# initialisation and cleanup
2267		3033
2268	# install some emergency cleanup handlers	3034	# install some emergency cleanup handlers
2269	BEGIN {	3035	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	3036	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3037	Event->signal (
		3038	reentrant => 0,
2272	data => WF_AUTOCANCEL,	3039	data => WF_AUTOCANCEL,
2273	signal => $signal,	3040	signal => $signal,
		3041	prio => 0,
2274	cb => sub {	3042	cb => sub {
2275	cf::cleanup "SIG$signal";	3043	cf::cleanup "SIG$signal";
2276	},	3044	},
2277	);	3045	);
2278	}	3046	}
2279	}	3047	}
2280		3048
		3049	sub write_runtime {
		3050	my $runtime = "$LOCALDIR/runtime";
		3051
		3052	# first touch the runtime file to show we are still running:
		3053	# the fsync below can take a very very long time.
		3054
		3055	IO::AIO::aio_utime $runtime, undef, undef;
		3056
		3057	my $guard = cf::lock_acquire "write_runtime";
		3058
		3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3060	or return;
		3061
		3062	my $value = $cf::RUNTIME + 90 + 10;
		3063	# 10 is the runtime save interval, for a monotonic clock
		3064	# 60 allows for the watchdog to kill the server.
		3065
		3066	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3067	and return;
		3068
		3069	# always fsync - this file is important
		3070	aio_fsync $fh
		3071	and return;
		3072
		3073	# touch it again to show we are up-to-date
		3074	aio_utime $fh, undef, undef;
		3075
		3076	close $fh
		3077	or return;
		3078
		3079	aio_rename "$runtime~", $runtime
		3080	and return;
		3081
		3082	warn "runtime file written.\n";
		3083
		3084	1
		3085	}
		3086
2281	sub emergency_save() {	3087	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3088	my $freeze_guard = cf::freeze_mainloop;
2283		3089
2284	warn "enter emergency perl save\n";	3090	warn "enter emergency perl save\n";
2285		3091
2286	cf::sync_job {	3092	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	3093	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3094	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3095	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3096	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	3097	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3098	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3099	$pl->valid or next;
2294	$pl->save;	3100	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	3106	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3107	$map->valid or next;
2302	$map->save;	3108	$map->save;
2303	}	3109	}
2304	warn "end emergency map save\n";	3110	warn "end emergency map save\n";
		3111
		3112	warn "begin emergency database checkpoint\n";
		3113	BDB::db_env_txn_checkpoint $DB_ENV;
		3114	warn "end emergency database checkpoint\n";
2305	};	3115	};
2306		3116
2307	warn "leave emergency perl save\n";	3117	warn "leave emergency perl save\n";
2308	}	3118	}
2309		3119
		3120	sub post_cleanup {
		3121	my ($make_core) = @_;
		3122
		3123	warn Carp::longmess "post_cleanup backtrace"
		3124	if $make_core;
		3125	}
		3126
2310	sub reload() {	3127	sub do_reload_perl() {
2311	# can/must only be called in main	3128	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3129	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	3130	warn "can only reload from main coroutine";
2314	return;	3131	return;
2315	}	3132	}
2316		3133
2317	warn "reloading...";	3134	warn "reloading...";
2318		3135
2319	warn "freezing server";	3136	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3137
		3138	cf::sync_job {
		3139	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	3140	cf::emergency_save;
		3141	cf::write_runtime; # external watchdog should not bark
2322		3142
2323	warn "sync database to disk";	3143	warn "syncing database to disk";
2324	cf::db_sync;	3144	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3145
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	3146	# if anything goes wrong in here, we should simply crash as we already saved
2329		3147
2330	warn "cancel all watchers";	3148	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	3149	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3150	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	3151	}
2334		3152
		3153	warn "flushing outstanding aio requests";
		3154	for (;;) {
		3155	BDB::flush;
		3156	IO::AIO::flush;
		3157	Coro::cede;
		3158	last unless IO::AIO::nreqs || BDB::nreqs;
		3159	warn "iterate...";
		3160	}
		3161
		3162	++$RELOAD;
		3163
2335	warn "cancel all extension coros";	3164	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	3165	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	3166	%EXT_CORO = ();
2338		3167
2339	warn "remove commands";	3168	warn "removing commands";
2340	%COMMAND = ();	3169	%COMMAND = ();
2341		3170
2342	warn "remove ext commands";	3171	warn "removing ext/exti commands";
2343	%EXTCMD = ();	3172	%EXTCMD = ();
		3173	%EXTICMD = ();
2344		3174
2345	warn "unload/nuke all extensions";	3175	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	3176	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	3177	warn "... unloading $pkg";
2348		3178
2349	if (my $cb = $pkg->can ("unload")) {	3179	if (my $cb = $pkg->can ("unload")) {
2350	eval {	3180	eval {
…		…
2355		3185
2356	warn "... nuking $pkg";	3186	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	3187	Symbol::delete_package $pkg;
2358	}	3188	}
2359		3189
2360	warn "unload all perl modules loaded from $LIBDIR";	3190	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	3191	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		3193
2364	warn "removing <$k>";	3194	warn "... unloading $k";
2365	delete $INC{$k};	3195	delete $INC{$k};
2366		3196
2367	$k =~ s/\.pm$//;	3197	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	3198	$k =~ s/\//::/g;
2369		3199
…		…
2372	}	3202	}
2373		3203
2374	Symbol::delete_package $k;	3204	Symbol::delete_package $k;
2375	}	3205	}
2376		3206
2377	warn "get rid of safe::, as good as possible";	3207	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3208	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3210
2381	warn "unload cf.pm \"a bit\"";	3211	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3212	delete $INC{"cf.pm"};
		3213	delete $INC{"cf/pod.pm"};
2383		3214
2384	# don't, removes xs symbols, too,	3215	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3216	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3217	#Symbol::delete_package __PACKAGE__;
2387		3218
		3219	warn "unload completed, starting to reload now";
		3220
2388	warn "reloading cf.pm";	3221	warn "reloading cf.pm";
2389	require cf;	3222	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		3224
2392	warn "load config and database again";	3225	warn "loading config and database again";
2393	cf::cfg_load;	3226	cf::cfg_load;
2394	cf::db_load;
2395		3227
2396	warn "load extensions";	3228	warn "loading extensions";
2397	cf::load_extensions;	3229	cf::load_extensions;
2398		3230
2399	warn "reattach attachments to objects/players";	3231	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3232	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3233	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3234	reattach $_ for values %MAP;
2403	};	3235	warn "reattaching attachments to players";
		3236	reattach $_ for values %PLAYER;
2404		3237
2405	if ($@) {	3238	warn "leaving sync_job";
		3239
		3240	1
		3241	} or do {
2406	warn $@;	3242	warn $@;
2407	warn "error while reloading, exiting.";	3243	warn "error while reloading, exiting.";
2408	exit 1;	3244	exit 1;
2409	}	3245	};
2410		3246
2411	warn "reloaded";	3247	warn "reloaded";
2412	};	3248	};
2413		3249
2414	#############################################################################	3250	our $RELOAD_WATCHER; # used only during reload
2415		3251
2416	unless ($LINK_MAP) {	3252	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	3253	# doing reload synchronously and two reloads happen back-to-back,
		3254	# coro crashes during coro_state_free->destroy here.
2418		3255
2419	$LINK_MAP->width (41);	3256	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	3257	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,	3258	after => 0,
		3259	data => WF_AUTOCANCEL,
2429	cb => sub {	3260	cb => sub {
2430	$_[0]->w->cancel;	3261	do_reload_perl;
2431		3262	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	});	3263	},
2450		3264	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3265	}
2456		3266
2457	register_command "reload" => sub {	3267	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3268	my ($who, $arg) = @_;
2459		3269
2460	if ($who->flag (FLAG_WIZ)) {	3270	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3271	$who->message ("reloading server.");
		3272	async { reload_perl };
2464	}	3273	}
2465	};	3274	};
2466		3275
2467	unshift @INC, $LIBDIR;	3276	unshift @INC, $LIBDIR;
2468		3277
		3278	my $bug_warning = 0;
		3279
		3280	our @WAIT_FOR_TICK;
		3281	our @WAIT_FOR_TICK_BEGIN;
		3282
		3283	sub wait_for_tick {
		3284	return unless $TICK_WATCHER->is_active;
		3285	return if $Coro::current == $Coro::main;
		3286
		3287	my $signal = new Coro::Signal;
		3288	push @WAIT_FOR_TICK, $signal;
		3289	$signal->wait;
		3290	}
		3291
		3292	sub wait_for_tick_begin {
		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_BEGIN, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	my $min = 1e6;#d#
		3302	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	3303	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	3304	reentrant => 0,
		3305	parked => 1,
2471	prio => 0,	3306	prio => 0,
2472	at => $NEXT_TICK || $TICK,	3307	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	3308	data => WF_AUTOCANCEL,
2474	cb => sub {	3309	cb => sub {
		3310	if ($Coro::current != $Coro::main) {
		3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3312	unless ++$bug_warning > 10;
		3313	return;
		3314	}
		3315
2475	$NOW = Event::time;	3316	$NOW = $tick_start = Event::time;
2476		3317
2477	cf::server_tick; # one server iteration	3318	cf::server_tick; # one server iteration
		3319
		3320	0 && sync_job {#d#
		3321	for(1..10) {
		3322	my $t = Event::time;
		3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3324	or die;
		3325
		3326	$map->width (50);
		3327	$map->height (50);
		3328	$map->alloc;
		3329	$map->_load_objects ("/tmp/x.map", 1);
		3330	my $t = Event::time - $t;
		3331
		3332	#next unless $t < 0.0013;#d#
		3333	if ($t < $min) {
		3334	$min = $t;
		3335	}
		3336	$avg = $avg * 0.99 + $t * 0.01;
		3337	}
		3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3339	exit 0;
		3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3341	};
		3342
2478	$RUNTIME += $TICK;	3343	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	3344	$NEXT_TICK += $TICK;
2480		3345
2481	$WAIT_FOR_TICK->broadcast;	3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3348	Coro::async_pool {
		3349	write_runtime
		3350	or warn "ERROR: unable to write runtime file: $!";
		3351	};
		3352	}
		3353
		3354	# my $AFTER = Event::time;
		3355	# warn $AFTER - $NOW;#d#
		3356
		3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3358	$sig->send;
		3359	}
		3360	while (my $sig = shift @WAIT_FOR_TICK) {
		3361	$sig->send;
		3362	}
		3363
		3364	$NOW = Event::time;
2483		3365
2484	# if we are delayed by four ticks or more, skip them all	3366	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		3368
2487	$TICK_WATCHER->at ($NEXT_TICK);	3369	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	3370	$TICK_WATCHER->start;
		3371
		3372	$LOAD = ($NOW - $tick_start) / $TICK;
		3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3374
		3375	_post_tick;
		3376
		3377
2489	},	3378	},
2490	);	3379	);
2491		3380
		3381	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	3382	BDB::max_poll_time $TICK * 0.1;
2493		3383	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	3384	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	3385	fd => BDB::poll_fileno,
2496	poll => 'r',	3386	poll => 'r',
2497	prio => 5,	3387	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	3388	data => WF_AUTOCANCEL,
2504	after => 0,	3389	cb => \&BDB::poll_cb,
2505	interval => 10,	3390	);
2506	cb => sub {	3391	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	3392
2508	write_runtime	3393	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	3394	my $status;
		3395	my $current = $Coro::current;
		3396	(
		3397	sub {
		3398	$status = $!;
		3399	$current->ready; undef $current;
		3400	},
		3401	sub {
		3402	Coro::schedule while defined $current;
		3403	$! = $status;
		3404	},
		3405	)
		3406	};
		3407
		3408	unless ($DB_ENV) {
		3409	$DB_ENV = BDB::db_env_create;
		3410
		3411	cf::sync_job {
		3412	eval {
		3413	BDB::db_env_open
		3414	$DB_ENV,
		3415	$BDBDIR,
		3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3418	0666;
		3419
		3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3421
		3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3423	$DB_ENV->set_lk_detect;
		3424	};
		3425
		3426	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	3427	};
2511	},	3428	}
2512	);	3429	}
		3430
		3431	{
		3432	IO::AIO::min_parallel 8;
		3433
		3434	undef $Coro::AIO::WATCHER;
		3435	IO::AIO::max_poll_time $TICK * 0.1;
		3436	$AIO_POLL_WATCHER = Event->io (
		3437	reentrant => 0,
		3438	data => WF_AUTOCANCEL,
		3439	fd => IO::AIO::poll_fileno,
		3440	poll => 'r',
		3441	prio => 6,
		3442	cb => \&IO::AIO::poll_cb,
		3443	);
		3444	}
		3445
		3446	my $_log_backtrace;
		3447
		3448	sub _log_backtrace {
		3449	my ($msg, @addr) = @_;
		3450
		3451	$msg =~ s/\n//;
		3452
		3453	# limit the # of concurrent backtraces
		3454	if ($_log_backtrace < 2) {
		3455	++$_log_backtrace;
		3456	async {
		3457	my @bt = fork_call {
		3458	@addr = map { sprintf "%x", $_ } @addr;
		3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3461	or die "addr2line: $!";
		3462
		3463	my @funcs;
		3464	my @res = <$fh>;
		3465	chomp for @res;
		3466	while (@res) {
		3467	my ($func, $line) = splice @res, 0, 2, ();
		3468	push @funcs, "[$func] $line";
		3469	}
		3470
		3471	@funcs
		3472	};
		3473
		3474	LOG llevInfo, "[ABT] $msg\n";
		3475	LOG llevInfo, "[ABT] $_\n" for @bt;
		3476	--$_log_backtrace;
		3477	};
		3478	} else {
		3479	LOG llevInfo, "[ABT] $msg\n";
		3480	LOG llevInfo, "[ABT] [suppressed]\n";
		3481	}
		3482	}
		3483
		3484	# load additional modules
		3485	use cf::pod;
2513		3486
2514	END { cf::emergency_save }	3487	END { cf::emergency_save }
2515		3488
2516	1	3489	1
2517		3490

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