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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.335 by root, Mon Aug 20 22:21:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
42		60
		61	our $RELOAD; # number of reloads so far
43	our @EVENT;	62	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		63
46	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(!)
47	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	80	our $NEXT_TICK;
49	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;
50		86
51	our %CFG;	87	our %CFG;
52		88
53	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	90	our $RUNTIME;
55		91
56	our %PLAYER; # all users	92	our %PLAYER; # all users
57	our %MAP; # all maps	93	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		95
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $tick_start; # for load detecting purposes
63		102
64	binmode STDOUT;	103	binmode STDOUT;
65	binmode STDERR;	104	binmode STDERR;
66		105
67	# read virtual server time, if available	106	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
72	}	111	}
73		112
74	mkdir cf::localdir;	113	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		115
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
83		119
84	#############################################################################	120	#############################################################################
85		121
86	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
87		123
…		…
94	=item $cf::RUNTIME	130	=item $cf::RUNTIME
95		131
96	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
97	every server tick.	133	every server tick.
98		134
99	=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
100		138
101	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		143
104	=item $cf::NOW	144	=item $cf::NOW
105		145
106	The time of the last (current) server tick.	146	The time of the last (current) server tick.
107		147
108	=item $cf::TICK	148	=item $cf::TICK
109		149
110	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.
111		161
112	=item %cf::CFG	162	=item %cf::CFG
113		163
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	165	from wherever your confdir points to.
116		166
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		168
119	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
120	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
121	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.
122	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.
123		178
124	=back	179	=back
125		180
126	=cut	181	=cut
127		182
128	BEGIN {	183	BEGIN {
129	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	185	my $msg = join "", @_;
131	utf8::encode $msg;
132		186
133	$msg .= "\n"	187	$msg .= "\n"
134	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
135		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
136	LOG llevError, $msg;	193	LOG llevError, $msg;
137	};	194	};
138	}	195	}
139		196
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@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';
145	@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)
146		204
147	# 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
148	# within the Safe compartment.	206	# within the Safe compartment.
149	for my $pkg (qw(	207	for my $pkg (qw(
150	cf::global cf::attachable	208	cf::global cf::attachable
…		…
158	}	216	}
159		217
160	$Event::DIED = sub {	218	$Event::DIED = sub {
161	warn "error in event callback: @_";	219	warn "error in event callback: @_";
162	};	220	};
		221
		222	#############################################################################
163		223
164	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
165		225
166	=over 4	226	=over 4
167		227
…		…
186	$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;
187	$d	247	$d
188	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
189	}	249	}
190		250
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
194		252
195	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
196		254
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
205		256
206	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
207		258
208	=cut	259	=cut
209		260
210	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
212	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
214		265
215	=item cf::lock_wait $string	266	=item cf::lock_wait $string
216		267
217	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
218		269
…		…
224	returned.	275	returned.
225		276
226	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
227	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
228		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
229	=cut	284	=cut
230		285
231	our %LOCK;	286	our %LOCK;
232		287
233	sub lock_wait($) {	288	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
254	}	309	}
255	}	310	}
256		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
257	sub freeze_mainloop {	318	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
259		320
260	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
261	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
262	$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;
263	}	382	}
264		383
265	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
266		385
267	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		391
273	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
274		393
275	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
276		395
277	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)
278	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
279	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.
280		400
281	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
282	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
283	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
284	fast or be very important.	404	fast or be very important.
…		…
287		407
288	sub sync_job(&) {	408	sub sync_job(&) {
289	my ($job) = @_;	409	my ($job) = @_;
290		410
291	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
292	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
294		416
295	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
307		429
308	while ($busy) {	430	while ($busy) {
309	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
310	}	432	}
311		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
312	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
313	} else {	442	} else {
314	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
315		444
316	$job->()	445	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
336		465
337	$coro	466	$coro
338	}	467	}
339		468
340	sub write_runtime {	469	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		470
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
344	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.
345		475
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		477
350	aio_fsync $fh	478	sub fork_call(&@) {
351	and return;	479	my ($cb, @args) = @_;
352		480
353	close $fh	481	# we seemingly have to make a local copy of the whole thing,
354	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
355		484
356	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
357	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
358		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	};
359	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 });
360	}	618	}
361		619
362	=back	620	=back
363		621
364	=cut	622	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		623
493	#############################################################################	624	#############################################################################
494		625
495	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
496		627
…		…
498	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")
499	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
500		631
501	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>
502	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
503	crossfire+).	634	Crossfire TRT).
504		635
505	=over 4	636	=over 4
506		637
507	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
508		639
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	754	our @CB_MAP = ();
624		755
625	my %attachment;	756	my %attachment;
626		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
627	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
629		766
630	use sort 'stable';	767	use sort 'stable';
631		768
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
666		803
667	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		808
672	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	810	my $pkg = shift @arg;
674		811
675	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
705	}	842	}
706		843
707	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
708	} else {	845	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	847	}
711		848
712	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
713	}	850	}
714		851
…		…
716	if (ref $_[0]) {	853	if (ref $_[0]) {
717	_object_attach @_;	854	_object_attach @_;
718	} else {	855	} else {
719	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
720	}	857	}
		858	_recalc_want;
721	};	859	};
722		860
723	# all those should be optimised	861	# all those should be optimised
724	sub cf::attachable::detach {	862	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
729	reattach ($obj);	867	reattach ($obj);
730	} else {	868	} else {
731	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
732	}	870	}
		871	_recalc_want;
733	};	872	};
734		873
735	sub cf::attachable::attached {	874	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
737		876
…		…
752	";	891	";
753	die if $@;	892	die if $@;
754	}	893	}
755		894
756	our $override;	895	our $override;
757	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?
758		897
759	sub override {	898	sub override {
760	$override = 1;	899	$override = 1;
761	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
762	}	901	}
763		902
764	sub do_invoke {	903	sub do_invoke {
765	my $event = shift;	904	my $event = shift;
766	my $callbacks = shift;	905	my $callbacks = shift;
767		906
768	@invoke_results = ();	907	@INVOKE_RESULTS = ();
769		908
770	local $override;	909	local $override;
771		910
772	for (@$callbacks) {	911	for (@$callbacks) {
773	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
790		929
791	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
792		931
793	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
794	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
795	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		935
797	=back	936	=back
798		937
799	=cut	938	=cut
800		939
801	#############################################################################	940	#############################################################################
802	# 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	}
803		953
804	sub reattach {	954	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		959
808	my $registry = $obj->registry;	960	my $registry = $obj->registry;
809		961
810	@$registry = ();	962	@$registry = ();
811		963
…		…
858	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
859		1011
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1016	close $fh;
865		1017
866	if (@$objs) {	1018	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1024	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
874	}	1026	}
875	} else {	1027	} else {
876	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
908	or return;	1060	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1062	}
911		1063
912	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1066	return ($data, $av);
915	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
916		1074
917	#############################################################################	1075	#############################################################################
918	# command handling &c	1076	# command handling &c
919		1077
920	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1092	}
935		1093
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1095
938	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.
939		1101
940	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
941	called.	1103	called.
942		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
943	=cut	1116	=cut
944		1117
945	sub register_extcmd {	1118	sub register_extcmd {
946	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
947		1120
948	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
949	}	1128	}
950		1129
951	cf::player->attach (	1130	cf::player->attach (
952	on_command => sub {	1131	on_command => sub {
953	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1141	cf::override;
963	},	1142	},
964	on_extcmd => sub {	1143	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
966		1145
967	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1147
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
972	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
973	}	1158	if $reply;
974	}	1159	}
975	} else {	1160	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1162	}
978		1163
979	cf::override;	1164	cf::override;
980	},	1165	},
981	);	1166	);
982		1167
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
1011	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1173	next unless -r $path;
1013	eval {	1174
1014	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;
1015	1	1232	}
1016	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
1017	}	1238	};
1018	}	1239	}
1019		1240
1020	#############################################################################	1241	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1242
1023	*cf::mapsupport::on_clean = sub {	1243	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1244
1036	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
1037		1246
1038	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
1039		1248
…		…
1052	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
1053		1262
1054	=cut	1263	=cut
1055		1264
1056	sub playerdir($) {	1265	sub playerdir($) {
1057	cf::localdir	1266	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1268	}
1063		1269
1064	sub path($) {	1270	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1272
1067	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
1068	}	1274	}
1069		1275
1070	sub find_active($) {	1276	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
1075		1281
1076	sub exists($) {	1282	sub exists($) {
1077	my ($login) = @_;	1283	my ($login) = @_;
1078		1284
1079	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
1081	}	1287	}
1082		1288
1083	sub find($) {	1289	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1291	my $login = $_[0];
1086		1292
1087	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
1088		1294
1089	$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
1090	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
1091	or return;	1304	or return;
1092	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
1093	}	1306	}
1094	}	1307	}
…		…
1122	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1123		1336
1124	$self	1337	$self
1125	}	1338	}
1126		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
1127	=item $pl->quit_character	1350	=item $pl->quit_character
1128		1351
1129	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
1130	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1131		1354
1132	=cut	1355	=cut
1133		1356
1134	sub quit_character {	1357	sub quit_character {
1135	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1136		1361
1137	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1138	$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
1139		1364
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1149	$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
1150	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;
1151	}	1396	}
1152		1397
1153	=item cf::player::list_logins	1398	=item cf::player::list_logins
1154		1399
1155	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
1156	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1157		1402
1158	=cut	1403	=cut
1159		1404
1160	sub list_logins {	1405	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1407	or return [];
1163		1408
1164	my @logins;	1409	my @logins;
1165		1410
1166	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1175	\@logins	1420	\@logins
1176	}	1421	}
1177		1422
1178	=item $player->maps	1423	=item $player->maps
1179		1424
1180	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
1181	player. May block.	1426	player. May block.
1182		1427
1183	=cut	1428	=cut
1184		1429
1185	sub maps($) {	1430	sub maps($) {
1186	my ($pl) = @_;	1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1434
1188	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1189	or return;	1436	or return;
1190		1437
1191	my @paths;	1438	my @paths;
…		…
1193	for (@$files) {	1440	for (@$files) {
1194	utf8::decode $_;	1441	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1197		1444
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1445	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1446	}
1200		1447
1201	\@paths	1448	\@paths
1202	}	1449	}
1203		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
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1205		1502
1206	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1207		1504
1208	=cut	1505	=cut
1209		1506
1210	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1212		1509
1213	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1214		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1215	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1216	}	1517	}
1217		1518
1218	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1219		1559
1220	=back	1560	=back
1221
1222		1561
1223	=head3 cf::map	1562	=head3 cf::map
1224		1563
1225	=over 4	1564	=over 4
1226		1565
…		…
1229	package cf::map;	1568	package cf::map;
1230		1569
1231	use Fcntl;	1570	use Fcntl;
1232	use Coro::AIO;	1571	use Coro::AIO;
1233		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1234	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1236		1579
1237	sub generate_random_map {	1580	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1583	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1254	}	1723	}
1255		1724
1256	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1257	# all maps in C++...	1726	# all maps in C++...
1258	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1260		1729
1261	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1263	}	1732	}
1264		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1265	sub try_load_header($) {	1750	sub load_header_from($) {
1266	my ($path) = @_;	1751	my ($self, $path) = @_;
1267		1752
1268	utf8::encode $path;	1753	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1270	or return;	1758	or return;
1271		1759
1272	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1273	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1274		1806
1275	# for better error messages only, will be overwritten	1807	$self->{deny_reset} = 1
1276	$map->path ($path);	1808	if $self->no_reset;
1277		1809
1278	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1811	unless $self->default_region;
1280		1812
1281	$map->{load_path} = $path;	1813	1
1282
1283	$map
1284	}	1814	}
1285		1815
1286	sub find;	1816	sub find;
1287	sub find {	1817	sub find {
1288	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1289		1819
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1821
1295	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1296		1823
1297	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1299		1826	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1827	or return;
1319		1828
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1332		1830
1333	Coro::cede;	1831	$map->load_header
		1832	or return;
1334		1833
1335	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1837	$map->reset;
1337	undef $guard;	1838	undef $guard;
1338	$map = find $path	1839	return find $path;
1339	or return;
1340	}	1840	}
1341		1841
1342	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1343	}	1843	}
1344	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1345		1848
1346	sub load {	1849	sub load {
1347	my ($self) = @_;	1850	my ($self) = @_;
1348		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1349	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1857	my $guard = cf::lock_acquire "map_load:$path";
1351		1858
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1860
1354	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1355		1862
1356	$self->alloc;	1863	$self->alloc;
		1864
		1865	$self->pre_load;
		1866	Coro::cede;
		1867
1357	$self->load_objects ($self->{load_path}, 1)	1868	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1869	or return;
1359		1870
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1872	if delete $self->{load_original};
1362		1873
1363	if (my $uniq = $path->uniq_path) {	1874	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1875	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1876	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1877	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1878	$self->_load_objects ($uniq, 0);
1368	}	1879	}
1369	}	1880	}
1370		1881
1371	Coro::cede;	1882	Coro::cede;
1372
1373	# now do the right thing for maps	1883	# now do the right thing for maps
1374	$self->link_multipart_objects;	1884	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1886	unless $self->difficulty;
		1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1386	$self->activate;	1896	$self->activate;
1387	}	1897	}
1388		1898
1389	Coro::cede;	1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
1390		1901
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
		1906	}
		1907
		1908	sub customise_for {
		1909	my ($self, $ob) = @_;
		1910
		1911	return find "~" . $ob->name . "/" . $self->{path}
		1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
		1917	$self
1392	}	1918	}
1393		1919
1394	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1921	sub load_neighbours {
1396	my ($map) = @_;	1922	my ($map) = @_;
1397		1923
1398	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1399		1925
1400	for (0 .. 3) {	1926	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1402	or next;	1928	or next;
1403	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1404	or next;	1930	or next;
1405	$neigh->load;	1931	$neigh->load;
1406		1932
		1933	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	1936	}
1410		1937
1411	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1413	or next;	1941	or next;
1414	$neigh->load;	1942	$neigh->load;
1415	}	1943	}
1416	}	1944	}
1417		1945
…		…
1426		1954
1427	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1428	}	1956	}
1429		1957
1430	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1959	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1960
1446	sub find_async {	1961	sub find_async {
1447	my ($path, $origin) = @_;	1962	my ($path, $origin) = @_;
1448		1963
1449	$path = new cf::path $path, $origin && $origin->path;	1964	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1965
1452	if (my $map = $cf::MAP{$key}) {	1966	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1968	}
1455		1969
1456	$MAP_PREFETCH{$key} = $path;	1970	undef $MAP_PREFETCH{$path};
		1971	$MAP_PREFETCHER ||= cf::async {
		1972	while (%MAP_PREFETCH) {
		1973	for my $path (keys %MAP_PREFETCH) {
		1974	if (my $map = find $path) {
		1975	$map->load;
		1976	}
		1977
		1978	delete $MAP_PREFETCH{$path};
		1979	}
		1980	}
		1981	undef $MAP_PREFETCHER;
		1982	};
1457	$MAP_PREFETCHER->ready;	1983	$MAP_PREFETCHER->prio (6);
1458		1984
1459	()	1985	()
1460	}	1986	}
1461		1987
1462	sub save {	1988	sub save {
…		…
1466		1992
1467	$self->{last_save} = $cf::RUNTIME;	1993	$self->{last_save} = $cf::RUNTIME;
1468		1994
1469	return unless $self->dirty;	1995	return unless $self->dirty;
1470		1996
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1997	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1998	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1999
1474	$self->{load_path} = $save;	2000	$self->{load_path} = $save;
1475		2001
1476	return if $self->{deny_save};	2002	return if $self->{deny_save};
1477		2003
…		…
1480	cf::async {	2006	cf::async {
1481	$_->contr->save for $self->players;	2007	$_->contr->save for $self->players;
1482	};	2008	};
1483		2009
1484	if ($uniq) {	2010	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2013	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2014	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2015	}
1490	}	2016	}
1491		2017
1492	sub swap_out {	2018	sub swap_out {
1493	my ($self) = @_;	2019	my ($self) = @_;
…		…
1507		2033
1508	sub reset_at {	2034	sub reset_at {
1509	my ($self) = @_;	2035	my ($self) = @_;
1510		2036
1511	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1514		2039
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2042
…		…
1522	my ($self) = @_;	2047	my ($self) = @_;
1523		2048
1524	$self->reset_at <= $cf::RUNTIME	2049	$self->reset_at <= $cf::RUNTIME
1525	}	2050	}
1526		2051
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2052	sub reset {
1549	my ($self) = @_;	2053	my ($self) = @_;
1550		2054
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2056
1553	return if $self->players;	2057	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2058
1556	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
1557		2070
1558	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
		2072
		2073	$self->clear;
1559		2074
1560	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1561		2076
1562	$self->unlink_save;	2077	$self->unlink_save;
1563	$self->destroy;	2078	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2081	my $nuke_counter = "aaaa";
1567		2082
1568	sub nuke {	2083	sub nuke {
1569	my ($self) = @_;	2084	my ($self) = @_;
1570		2085
		2086	delete $cf::MAP{$self->path};
		2087
		2088	$self->unlink_save;
		2089
		2090	bless $self, "cf::map";
		2091	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2092	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2093	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2095
		2096	$cf::MAP{$self->path} = $self;
		2097
1574	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1575	}	2099	}
1576		2100
1577	sub customise_for {	2101	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2102
1580	if ($map->per_player) {	2103	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
1582	}	2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
1583		2118
1584	$map	2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
1585	}	2135	}
1586		2136
1587	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1588		2138
1589	Returns an arrayref of cf::path's of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2140	instantiated unique items. May block.
1591		2141
1592	=cut	2142	=cut
1593		2143
1594	sub unique_maps() {	2144	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1596	or return;	2146	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2147	utf8::decode $_;
1602	next if /\.pst$/;	2148	/\.map$/
1603	next unless /^$PATH_SEP/o;	2149	? normalise $_
1604		2150	: ()
1605	push @paths, new cf::path $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2152	]
1607
1608	\@paths
1609	}	2153	}
1610		2154
1611	package cf;	2155	package cf;
1612		2156
1613	=back	2157	=back
…		…
1659		2203
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2205
1662	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1664	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1667	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1668	}	2231	}
1669		2232
1670	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1671		2234
1672	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1685		2248
1686	=item $player_object->enter_link	2249	=item $player_object->enter_link
1687		2250
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2251	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2252
1690	The player should be reaosnably safe there for short amounts of time. You	2253	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2254	I<MUST> call C<leave_link> as soon as possible, though.
1692		2255
		2256	Will never block.
		2257
1693	=item $player_object->leave_link ($map, $x, $y)	2258	=item $player_object->leave_link ($map, $x, $y)
1694		2259
1695	Moves the player out of the specila link map onto the given map. If the	2260	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2261	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2262	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2263	fails, to the emergency map position.
1699		2264
1700	Might block.	2265	Might block.
1701		2266
1702	=cut	2267	=cut
		2268
		2269	sub link_map {
		2270	unless ($LINK_MAP) {
		2271	$LINK_MAP = cf::map::find "{link}"
		2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2273	$LINK_MAP->load;
		2274	}
		2275
		2276	$LINK_MAP
		2277	}
1703		2278
1704	sub cf::object::player::enter_link {	2279	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2280	my ($self) = @_;
1706		2281
1707	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1708		2283
1709	return if $self->map == $LINK_MAP;	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2285
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1713		2288
1714	$self->enter_map ($LINK_MAP, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2290	}
1716		2291
1717	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1719		2296
1720	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1721		2298
1722	unless ($map) {	2299	unless ($map) {
1723	# restore original map position	2300	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1740		2317
1741	$map->load;	2318	$map->load;
1742	$map->load_diag;	2319	$map->load_neighbours;
1743		2320
1744	return unless $self->contr->active;	2321	return unless $self->contr->active;
1745	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1747	}	2326	}
1748		2327
1749	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2329
1753	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1757	};	2334	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2335
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1784		2339
1785	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2342
1788	$path = new cf::path $path;	2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2345
1790	$self->enter_link;	2346	$self->enter_link;
1791		2347
1792	(async {	2348	(async {
		2349	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1795		2354	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1800		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1802	})->prio (1);	2373	})->prio (1);
1803	}	2374	}
1804		2375
1805	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1806		2377
…		…
1808		2379
1809	sub parse_random_map_params {	2380	sub parse_random_map_params {
1810	my ($spec) = @_;	2381	my ($spec) = @_;
1811		2382
1812	my $rmp = { # defaults	2383	my $rmp = { # defaults
1813	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1815	};	2388	};
1816		2389
1817	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1819		2392
…		…
1823	$rmp	2396	$rmp
1824	}	2397	}
1825		2398
1826	sub prepare_random_map {	2399	sub prepare_random_map {
1827	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2403
1829	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2406	# that depends on the exit object
1832		2407
1833	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1834		2409
1835	if ($exit->map) {	2410	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1840	}	2415	}
1841		2416
1842	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1843		2418
1844	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1846		2422
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1849		2427
1850	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2429	$exit->msg (undef);
1852	}	2430	}
1853	}	2431	}
…		…
1855	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1857		2435
1858	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1859		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1860	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1861		2454
1862	(async {	2455	(async {
1863	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2457	unless (eval {
1865	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2459
1871	1;	2460	1;
1872	}) {	2461	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2466
1878	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2468	$self->leave_link;
1880	}	2469	}
1881	})->prio (1);	2470	})->prio (1);
…		…
1894		2483
1895	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1897		2486
1898	utf8::encode $text;	2487	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2489	}
1901		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1902		2571
1903	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1904		2573
1905	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2577
1909	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2579	become reliable at some point in the future.
1911		2580
1912	=cut	2581	=cut
1913		2582
1914	sub cf::client::query {	2583	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2592	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2594
1926	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
1928	}	2599	}
1929		2600
1930	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
1931	on_reply => sub {	2607	on_reply => sub {
1932	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
1933		2609
1934	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
1935	# get handled first	2611	# get handled first
1936	my $queue = delete $ns->{query_queue}	2612	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2613	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2614
1939	(shift @$queue)->[1]->($msg);	2615	(shift @$queue)->[1]->($msg);
		2616	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2617
1941	push @{ $ns->{query_queue} }, @$queue;	2618	push @{ $ns->{query_queue} }, @$queue;
1942		2619
1943	if (@{ $ns->{query_queue} } == @$queue) {	2620	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2621	if (@$queue) {
…		…
1946	} else {	2623	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2625	}
1949	}	2626	}
1950	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
1951	);	2651	);
1952		2652
1953	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
1954		2654
1955	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
1998		2698
1999	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2000		2700
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2002		2706
2003	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2004		2708
2005	=pod	2709	=pod
2006		2710
2007	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2008		2712
2009	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2010	cf::object::player player	2717	cf::object::player
2011	cf::player peaceful	2718	player
2012	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2013		2725
2014	=cut	2726	=cut
2015		2727
2016	for (	2728	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2018	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2021	) {	2734	) {
2022	no strict 'refs';	2735	no strict 'refs';
…		…
2093	=back	2806	=back
2094		2807
2095	=cut	2808	=cut
2096		2809
2097	#############################################################################	2810	#############################################################################
		2811	# the server's init and main functions
2098		2812
2099	=head2 EXTENSION DATABASE SUPPORT	2813	sub load_facedata($) {
		2814	my ($path) = @_;
2100		2815
2101	Crossfire maintains a very simple database for extension use. It can	2816	my $enc = JSON::XS->new->utf8->canonical;
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2817
2105	The parameter C<$family> should best start with the name of the extension	2818	warn "loading facedata from $path\n";
2106	using it, it should be unique.
2107		2819
2108	=over 4	2820	my $facedata;
		2821	0 < aio_load $path, $facedata
		2822	or die "$path: $!";
2109		2823
2110	=item $hashref = cf::db_get $family	2824	$facedata = Coro::Storable::thaw $facedata;
2111		2825
2112	Return a hashref for use by the extension C<$family>, which can be	2826	$facedata->{version} == 2
2113	modified. After modifications, you have to call C<cf::db_dirty> or	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2114	C<cf::db_sync>.
2115		2828
2116	=item $value = cf::db_get $family => $key	2829	# patch in the exptable
2117		2830	$facedata->{resource}{"res/exp_table"} = {
2118	Returns a single value from the database	2831	type => FT_RSRC,
2119		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2833	};
		2834	cf::cede_to_tick;
2171		2835
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	2836	{
		2837	my $faces = $facedata->{faceinfo};
2176		2838
2177	sub db_get($;$) {	2839	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	2841	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	2842	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		2845
2183	sub db_put($$;$) {	2846	cf::cede_to_tick;
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2847	}
2197	);
2198	}
2199		2848
2200	#############################################################################	2849	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2850	next unless $info->{smooth};
		2851	my $idx = cf::face::find $face
		2852	or next;
		2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
		2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2856	} else {
		2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2858	}
		2859
		2860	cf::cede_to_tick;
		2861	}
		2862	}
		2863
		2864	{
		2865	my $anims = $facedata->{animinfo};
		2866
		2867	while (my ($anim, $info) = each %$anims) {
		2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2869	cf::cede_to_tick;
		2870	}
		2871
		2872	cf::anim::invalidate_all; # d'oh
		2873	}
		2874
		2875	{
		2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
		2885
		2886	if ($info->{type} & 1) {
		2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
		2922	1
		2923	}
		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
		2932
		2933	sub reload_regions {
		2934	load_resource_file "$MAPDIR/regions"
		2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
		2941	}
		2942
		2943	sub reload_facedata {
		2944	load_facedata "$DATADIR/facedata"
		2945	or die "unable to load facedata\n";
		2946	}
		2947
		2948	sub reload_archetypes {
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
		2956	}
		2957
		2958	sub reload_treasures {
		2959	load_resource_file "$DATADIR/treasures"
		2960	or die "unable to load treasurelists\n";
		2961	}
		2962
		2963	sub reload_resources {
		2964	warn "reloading resource files...\n";
		2965
		2966	reload_regions;
		2967	reload_facedata;
		2968	#reload_archetypes;#d#
		2969	reload_archetypes;
		2970	reload_treasures;
		2971
		2972	warn "finished reloading resource files\n";
		2973	}
		2974
		2975	sub init {
		2976	reload_resources;
		2977	}
2202		2978
2203	sub cfg_load {	2979	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2980	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2981	or return;
2206		2982
2207	local $/;	2983	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2984	*CFG = YAML::Syck::Load <$fh>;
2209		2985
…		…
2223		2999
2224	sub main {	3000	sub main {
2225	# we must not ever block the main coroutine	3001	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3002	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3003	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3004	(async {
2228	async { Event::one_event };	3005	Event::one_event;
		3006	})->prio (Coro::PRIO_MAX);
2229	};	3007	};
2230		3008
2231	cfg_load;	3009	cfg_load;
2232	db_load;	3010	db_init;
2233	load_extensions;	3011	load_extensions;
		3012
		3013	$TICK_WATCHER->start;
2234	Event::loop;	3014	Event::loop;
2235	}	3015	}
2236		3016
2237	#############################################################################	3017	#############################################################################
2238	# initialisation and cleanup	3018	# initialisation and cleanup
2239		3019
2240	# install some emergency cleanup handlers	3020	# install some emergency cleanup handlers
2241	BEGIN {	3021	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3022	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3023	Event->signal (
		3024	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3025	data => WF_AUTOCANCEL,
2245	signal => $signal,	3026	signal => $signal,
		3027	prio => 0,
2246	cb => sub {	3028	cb => sub {
2247	cf::cleanup "SIG$signal";	3029	cf::cleanup "SIG$signal";
2248	},	3030	},
2249	);	3031	);
2250	}	3032	}
2251	}	3033	}
2252		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
		3071	}
		3072
2253	sub emergency_save() {	3073	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3074	my $freeze_guard = cf::freeze_mainloop;
2255		3075
2256	warn "enter emergency perl save\n";	3076	warn "enter emergency perl save\n";
2257		3077
2258	cf::sync_job {	3078	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3079	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3080	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3081	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3082	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3083	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3084	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3085	$pl->valid or next;
2266	$pl->save;	3086	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3092	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3093	$map->valid or next;
2274	$map->save;	3094	$map->save;
2275	}	3095	}
2276	warn "end emergency map save\n";	3096	warn "end emergency map save\n";
		3097
		3098	warn "begin emergency database checkpoint\n";
		3099	BDB::db_env_txn_checkpoint $DB_ENV;
		3100	warn "end emergency database checkpoint\n";
2277	};	3101	};
2278		3102
2279	warn "leave emergency perl save\n";	3103	warn "leave emergency perl save\n";
2280	}	3104	}
2281		3105
		3106	sub post_cleanup {
		3107	my ($make_core) = @_;
		3108
		3109	warn Carp::longmess "post_cleanup backtrace"
		3110	if $make_core;
		3111	}
		3112
2282	sub reload() {	3113	sub do_reload_perl() {
2283	# can/must only be called in main	3114	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3115	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3116	warn "can only reload from main coroutine";
2286	return;	3117	return;
2287	}	3118	}
2288		3119
2289	warn "reloading...";	3120	warn "reloading...";
2290		3121
2291	warn "freezing server";	3122	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3123
		3124	cf::sync_job {
		3125	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3126	cf::emergency_save;
		3127	cf::write_runtime; # external watchdog should not bark
2294		3128
2295	warn "sync database to disk";	3129	warn "syncing database to disk";
2296	cf::db_sync;	3130	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3131
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3132	# if anything goes wrong in here, we should simply crash as we already saved
2301		3133
2302	warn "cancel all watchers";	3134	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3135	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3136	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3137	}
2306		3138
		3139	warn "flushing outstanding aio requests";
		3140	for (;;) {
		3141	BDB::flush;
		3142	IO::AIO::flush;
		3143	Coro::cede;
		3144	last unless IO::AIO::nreqs || BDB::nreqs;
		3145	warn "iterate...";
		3146	}
		3147
		3148	++$RELOAD;
		3149
2307	warn "cancel all extension coros";	3150	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3151	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3152	%EXT_CORO = ();
2310		3153
2311	warn "remove commands";	3154	warn "removing commands";
2312	%COMMAND = ();	3155	%COMMAND = ();
2313		3156
2314	warn "remove ext commands";	3157	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3158	%EXTCMD = ();
		3159	%EXTICMD = ();
2316		3160
2317	warn "unload/nuke all extensions";	3161	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3162	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3163	warn "... unloading $pkg";
2320		3164
2321	if (my $cb = $pkg->can ("unload")) {	3165	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3166	eval {
2323	$cb->($pkg);	3167	$cb->($pkg);
2324	1	3168	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3169	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3170	}
2327		3171
		3172	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3173	Symbol::delete_package $pkg;
2329	}	3174	}
2330		3175
2331	warn "unload all perl modules loaded from $LIBDIR";	3176	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3177	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3178	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3179
2335	warn "removing <$k>";	3180	warn "... unloading $k";
2336	delete $INC{$k};	3181	delete $INC{$k};
2337		3182
2338	$k =~ s/\.pm$//;	3183	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3184	$k =~ s/\//::/g;
2340		3185
…		…
2343	}	3188	}
2344		3189
2345	Symbol::delete_package $k;	3190	Symbol::delete_package $k;
2346	}	3191	}
2347		3192
2348	warn "get rid of safe::, as good as possible";	3193	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3194	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3196
2352	warn "unload cf.pm \"a bit\"";	3197	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3198	delete $INC{"cf.pm"};
		3199	delete $INC{"cf/pod.pm"};
2354		3200
2355	# don't, removes xs symbols, too,	3201	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3202	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3203	#Symbol::delete_package __PACKAGE__;
2358		3204
		3205	warn "unload completed, starting to reload now";
		3206
2359	warn "reloading cf.pm";	3207	warn "reloading cf.pm";
2360	require cf;	3208	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3209	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3210
2363	warn "load config and database again";	3211	warn "loading config and database again";
2364	cf::cfg_load;	3212	cf::cfg_load;
2365	cf::db_load;
2366		3213
2367	warn "load extensions";	3214	warn "loading extensions";
2368	cf::load_extensions;	3215	cf::load_extensions;
2369		3216
2370	warn "reattach attachments to objects/players";	3217	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3218	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3219	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3220	reattach $_ for values %MAP;
2374	};	3221	warn "reattaching attachments to players";
		3222	reattach $_ for values %PLAYER;
2375		3223
2376	if ($@) {	3224	warn "leaving sync_job";
		3225
		3226	1
		3227	} or do {
2377	warn $@;	3228	warn $@;
2378	warn "error while reloading, exiting.";	3229	warn "error while reloading, exiting.";
2379	exit 1;	3230	exit 1;
2380	}	3231	};
2381		3232
2382	warn "reloaded";	3233	warn "reloaded";
2383	};	3234	};
2384		3235
2385	#############################################################################	3236	our $RELOAD_WATCHER; # used only during reload
2386		3237
2387	unless ($LINK_MAP) {	3238	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3239	# doing reload synchronously and two reloads happen back-to-back,
		3240	# coro crashes during coro_state_free->destroy here.
2389		3241
2390	$LINK_MAP->width (41);	3242	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3243	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3244	after => 0,
		3245	data => WF_AUTOCANCEL,
2400	cb => sub {	3246	cb => sub {
2401	$_[0]->w->cancel;	3247	do_reload_perl;
2402		3248	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3249	},
2421		3250	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3251	}
2427		3252
2428	register_command "reload" => sub {	3253	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3254	my ($who, $arg) = @_;
2430		3255
2431	if ($who->flag (FLAG_WIZ)) {	3256	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3257	$who->message ("reloading server.");
		3258	async { reload_perl };
2435	}	3259	}
2436	};	3260	};
2437		3261
2438	unshift @INC, $LIBDIR;	3262	unshift @INC, $LIBDIR;
2439		3263
		3264	my $bug_warning = 0;
		3265
		3266	our @WAIT_FOR_TICK;
		3267	our @WAIT_FOR_TICK_BEGIN;
		3268
		3269	sub wait_for_tick {
		3270	return unless $TICK_WATCHER->is_active;
		3271	return if $Coro::current == $Coro::main;
		3272
		3273	my $signal = new Coro::Signal;
		3274	push @WAIT_FOR_TICK, $signal;
		3275	$signal->wait;
		3276	}
		3277
		3278	sub wait_for_tick_begin {
		3279	return unless $TICK_WATCHER->is_active;
		3280	return if $Coro::current == $Coro::main;
		3281
		3282	my $signal = new Coro::Signal;
		3283	push @WAIT_FOR_TICK_BEGIN, $signal;
		3284	$signal->wait;
		3285	}
		3286
		3287	my $min = 1e6;#d#
		3288	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3289	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3290	reentrant => 0,
		3291	parked => 1,
2442	prio => 0,	3292	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3293	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3294	data => WF_AUTOCANCEL,
2445	cb => sub {	3295	cb => sub {
		3296	if ($Coro::current != $Coro::main) {
		3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3298	unless ++$bug_warning > 10;
		3299	return;
		3300	}
		3301
		3302	$NOW = $tick_start = Event::time;
		3303
2446	cf::server_tick; # one server iteration	3304	cf::server_tick; # one server iteration
		3305
		3306	0 && sync_job {#d#
		3307	for(1..10) {
		3308	my $t = Event::time;
		3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3310	or die;
		3311
		3312	$map->width (50);
		3313	$map->height (50);
		3314	$map->alloc;
		3315	$map->_load_objects ("/tmp/x.map", 1);
		3316	my $t = Event::time - $t;
		3317
		3318	#next unless $t < 0.0013;#d#
		3319	if ($t < $min) {
		3320	$min = $t;
		3321	}
		3322	$avg = $avg * 0.99 + $t * 0.01;
		3323	}
		3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3325	exit 0;
		3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3327	};
		3328
2447	$RUNTIME += $TICK;	3329	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3330	$NEXT_TICK += $TICK;
2449		3331
2450	$WAIT_FOR_TICK->broadcast;	3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3334	Coro::async_pool {
		3335	write_runtime
		3336	or warn "ERROR: unable to write runtime file: $!";
		3337	};
		3338	}
		3339
		3340	# my $AFTER = Event::time;
		3341	# warn $AFTER - $NOW;#d#
		3342
		3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3344	$sig->send;
		3345	}
		3346	while (my $sig = shift @WAIT_FOR_TICK) {
		3347	$sig->send;
		3348	}
		3349
		3350	$NOW = Event::time;
2452		3351
2453	# if we are delayed by four ticks or more, skip them all	3352	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3354
2456	$TICK_WATCHER->at ($NEXT_TICK);	3355	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3356	$TICK_WATCHER->start;
		3357
		3358	$LOAD = ($NOW - $tick_start) / $TICK;
		3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3360
		3361	_post_tick;
		3362
		3363
2458	},	3364	},
2459	);	3365	);
2460		3366
		3367	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3368	BDB::max_poll_time $TICK * 0.1;
2462		3369	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3370	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3371	fd => BDB::poll_fileno,
2465	poll => 'r',	3372	poll => 'r',
2466	prio => 5,	3373	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3374	data => WF_AUTOCANCEL,
2473	after => 0,	3375	cb => \&BDB::poll_cb,
2474	interval => 10,	3376	);
2475	cb => sub {	3377	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3378
2477	write_runtime	3379	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3380	my $status;
		3381	my $current = $Coro::current;
		3382	(
		3383	sub {
		3384	$status = $!;
		3385	$current->ready; undef $current;
		3386	},
		3387	sub {
		3388	Coro::schedule while defined $current;
		3389	$! = $status;
		3390	},
		3391	)
		3392	};
		3393
		3394	unless ($DB_ENV) {
		3395	$DB_ENV = BDB::db_env_create;
		3396
		3397	cf::sync_job {
		3398	eval {
		3399	BDB::db_env_open
		3400	$DB_ENV,
		3401	$BDBDIR,
		3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3404	0666;
		3405
		3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3407
		3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3409	$DB_ENV->set_lk_detect;
		3410	};
		3411
		3412	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3413	};
2480	},	3414	}
2481	);	3415	}
		3416
		3417	{
		3418	IO::AIO::min_parallel 8;
		3419
		3420	undef $Coro::AIO::WATCHER;
		3421	IO::AIO::max_poll_time $TICK * 0.1;
		3422	$AIO_POLL_WATCHER = Event->io (
		3423	reentrant => 0,
		3424	data => WF_AUTOCANCEL,
		3425	fd => IO::AIO::poll_fileno,
		3426	poll => 'r',
		3427	prio => 6,
		3428	cb => \&IO::AIO::poll_cb,
		3429	);
		3430	}
		3431
		3432	my $_log_backtrace;
		3433
		3434	sub _log_backtrace {
		3435	my ($msg, @addr) = @_;
		3436
		3437	$msg =~ s/\n//;
		3438
		3439	# limit the # of concurrent backtraces
		3440	if ($_log_backtrace < 2) {
		3441	++$_log_backtrace;
		3442	async {
		3443	my @bt = fork_call {
		3444	@addr = map { sprintf "%x", $_ } @addr;
		3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3447	or die "addr2line: $!";
		3448
		3449	my @funcs;
		3450	my @res = <$fh>;
		3451	chomp for @res;
		3452	while (@res) {
		3453	my ($func, $line) = splice @res, 0, 2, ();
		3454	push @funcs, "[$func] $line";
		3455	}
		3456
		3457	@funcs
		3458	};
		3459
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] $_\n" for @bt;
		3462	--$_log_backtrace;
		3463	};
		3464	} else {
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] [suppressed]\n";
		3467	}
		3468	}
		3469
		3470	# load additional modules
		3471	use cf::pod;
2482		3472
2483	END { cf::emergency_save }	3473	END { cf::emergency_save }
2484		3474
2485	1	3475	1
2486		3476

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