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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.313 by root, Sun Jul 22 14:17:58 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 3.61 ();
		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;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$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		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
42		59
		60	our $RELOAD; # number of reloads so far
43	our @EVENT;	61	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		62
46	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	79	our $NEXT_TICK;
49	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
50		85
51	our %CFG;	86	our %CFG;
52		87
53	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	89	our $RUNTIME;
55		90
56	our %PLAYER; # all users	91	our %PLAYER; # all users
57	our %MAP; # all maps	92	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		94
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# 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;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
63		101
64	binmode STDOUT;	102	binmode STDOUT;
65	binmode STDERR;	103	binmode STDERR;
66		104
67	# read virtual server time, if available	105	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
72	}	110	}
73		111
74	mkdir cf::localdir;	112	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		114
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
83		118
84	#############################################################################	119	#############################################################################
85		120
86	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
87		122
…		…
94	=item $cf::RUNTIME	129	=item $cf::RUNTIME
95		130
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	132	every server tick.
98		133
99	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		137
101	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
103		142
104	=item $cf::NOW	143	=item $cf::NOW
105		144
106	The time of the last (current) server tick.	145	The time of the last (current) server tick.
107		146
108	=item $cf::TICK	147	=item $cf::TICK
109		148
110	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
111		160
112	=item %cf::CFG	161	=item %cf::CFG
113		162
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	164	from wherever your confdir points to.
116		165
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		167
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	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	169	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	170	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.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
123		177
124	=back	178	=back
125		179
126	=cut	180	=cut
127		181
128	BEGIN {	182	BEGIN {
129	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	184	my $msg = join "", @_;
131	utf8::encode $msg;
132		185
133	$msg .= "\n"	186	$msg .= "\n"
134	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
135		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
136	LOG llevError, $msg;	192	LOG llevError, $msg;
137	};	193	};
138	}	194	}
139		195
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		203
147	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	205	# within the Safe compartment.
149	for my $pkg (qw(	206	for my $pkg (qw(
150	cf::global cf::attachable	207	cf::global cf::attachable
…		…
158	}	215	}
159		216
160	$Event::DIED = sub {	217	$Event::DIED = sub {
161	warn "error in event callback: @_";	218	warn "error in event callback: @_";
162	};	219	};
		220
		221	#############################################################################
163		222
164	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
165		224
166	=over 4	225	=over 4
167		226
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	246	$d
188	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
189	}	248	}
190		249
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
194		251
195	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
196		253
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
205		255
206	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
207		257
208	=cut	258	=cut
209		259
210	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
212	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
214		264
215	=item cf::lock_wait $string	265	=item cf::lock_wait $string
216		266
217	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
218		268
…		…
224	returned.	274	returned.
225		275
226	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
228		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
229	=cut	283	=cut
230		284
231	our %LOCK;	285	our %LOCK;
232		286
233	sub lock_wait($) {	287	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
254	}	308	}
255	}	309	}
256		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
257	sub freeze_mainloop {	317	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
259		319
260	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
261	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
262	$guard	324	$guard
263	}	325	}
264		326
265	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
272		334
273	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
274		336
275	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
276		338
277	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
280		343
281	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
284	fast or be very important.	347	fast or be very important.
…		…
287		350
288	sub sync_job(&) {	351	sub sync_job(&) {
289	my ($job) = @_;	352	my ($job) = @_;
290		353
291	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
292	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
294		359
295	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
307		372
308	while ($busy) {	373	while ($busy) {
309	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
310	}	375	}
311		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
312	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
313	} else {	385	} else {
314	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
315		387
316	$job->()	388	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
336		408
337	$coro	409	$coro
338	}	410	}
339		411
340	sub write_runtime {	412	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		413
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
344	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
345		418
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	419	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		420
350	aio_fsync $fh	421	sub _store_scalar {
351	and return;	422	open my $fh, ">", \my $buf
352		423	or die "fork_call: cannot open fh-to-buf in child : $!";
		424	Storable::store_fd $_[0], $fh;
353	close $fh	425	close $fh;
354	or return;
355		426
356	aio_rename "$runtime~", $runtime	427	$buf
357	and return;	428	}
358		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
359	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	599	}
361		600
362	=back	601	=back
363		602
364	=cut	603	=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		604
493	#############################################################################	605	#############################################################################
494		606
495	=head2 ATTACHABLE OBJECTS	607	=head2 ATTACHABLE OBJECTS
496		608
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
500		612
501	In the following description, CLASS can be any of C<global>, C<object>	613	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	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	615	Crossfire TRT).
504		616
505	=over 4	617	=over 4
506		618
507	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
508		620
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	734	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	735	our @CB_MAP = ();
624		736
625	my %attachment;	737	my %attachment;
626		738
		739	sub cf::attachable::thawer_merge {
		740	# simply override everything except _meta
		741	local $_[0]{_meta};
		742	%{$_[0]} = %{$_[1]};
		743	}
		744
627	sub _attach_cb($$$$) {	745	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	746	my ($registry, $event, $prio, $cb) = @_;
629		747
630	use sort 'stable';	748	use sort 'stable';
631		749
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
666		784
667	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		789
672	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	791	my $pkg = shift @arg;
674		792
675	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
705	}	823	}
706		824
707	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
708	} else {	826	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	828	}
711		829
712	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
713	}	831	}
714		832
…		…
716	if (ref $_[0]) {	834	if (ref $_[0]) {
717	_object_attach @_;	835	_object_attach @_;
718	} else {	836	} else {
719	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
720	}	838	}
		839	_recalc_want;
721	};	840	};
722		841
723	# all those should be optimised	842	# all those should be optimised
724	sub cf::attachable::detach {	843	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
729	reattach ($obj);	848	reattach ($obj);
730	} else {	849	} else {
731	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
732	}	851	}
		852	_recalc_want;
733	};	853	};
734		854
735	sub cf::attachable::attached {	855	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
737		857
…		…
752	";	872	";
753	die if $@;	873	die if $@;
754	}	874	}
755		875
756	our $override;	876	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		878
759	sub override {	879	sub override {
760	$override = 1;	880	$override = 1;
761	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
762	}	882	}
763		883
764	sub do_invoke {	884	sub do_invoke {
765	my $event = shift;	885	my $event = shift;
766	my $callbacks = shift;	886	my $callbacks = shift;
767		887
768	@invoke_results = ();	888	@INVOKE_RESULTS = ();
769		889
770	local $override;	890	local $override;
771		891
772	for (@$callbacks) {	892	for (@$callbacks) {
773	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
790		910
791	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
792		912
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	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	914	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		916
797	=back	917	=back
798		918
799	=cut	919	=cut
800		920
801	#############################################################################	921	#############################################################################
802	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
803		934
804	sub reattach {	935	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	937	my ($obj) = @_;
		938
		939	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		940
808	my $registry = $obj->registry;	941	my $registry = $obj->registry;
809		942
810	@$registry = ();	943	@$registry = ();
811		944
…		…
858	$filename, length $$rdata, scalar @$objs;	991	$filename, length $$rdata, scalar @$objs;
859		992
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	994	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	996	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	997	close $fh;
865		998
866	if (@$objs) {	999	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1001	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1002	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1003	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1004	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1005	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1006	aio_rename "$filename.pst~", "$filename.pst";
874	}	1007	}
875	} else {	1008	} else {
876	aio_unlink "$filename.pst";	1009	aio_unlink "$filename.pst";
…		…
908	or return;	1041	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1043	}
911		1044
912	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1047	return ($data, $av);
915	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
916		1055
917	#############################################################################	1056	#############################################################################
918	# command handling &c	1057	# command handling &c
919		1058
920	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1073	}
935		1074
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1076
938	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
939		1082
940	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
941	called.	1084	called.
942		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
943	=cut	1097	=cut
944		1098
945	sub register_extcmd {	1099	sub register_extcmd {
946	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
947		1101
948	$EXTCMD{$name} = $cb;	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
949	}	1109	}
950		1110
951	cf::player->attach (	1111	cf::player->attach (
952	on_command => sub {	1112	on_command => sub {
953	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1122	cf::override;
963	},	1123	},
964	on_extcmd => sub {	1124	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
966		1126
967	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1128
969	if (ref $msg) {	1129	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
978		1138
979	cf::override;	1139	cf::override;
980	},	1140	},
981	);	1141	);
982		1142
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 {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
1011	for my $ext (<$LIBDIR/*.ext>) {	1147	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1148	next unless -r $path;
1013	eval {	1149
1014	load_extension $ext;	1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
1015	1	1207	}
1016	} or warn "$ext not loaded: $@";	1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
1017	}	1213	};
1018	}	1214	}
1019		1215
1020	#############################################################################	1216	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1217
1023	*cf::mapsupport::on_clean = sub {	1218	=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		1219
1036	=head2 CORE EXTENSIONS	1220	=head2 CORE EXTENSIONS
1037		1221
1038	Functions and methods that extend core crossfire objects.	1222	Functions and methods that extend core crossfire objects.
1039		1223
…		…
1052	Returns the given player object, loading it if necessary (might block).	1236	Returns the given player object, loading it if necessary (might block).
1053		1237
1054	=cut	1238	=cut
1055		1239
1056	sub playerdir($) {	1240	sub playerdir($) {
1057	cf::localdir	1241	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1242	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1243	}
1063		1244
1064	sub path($) {	1245	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1246	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1247
1067	(playerdir $login) . "/$login.pl"	1248	(playerdir $login) . "/playerdata"
1068	}	1249	}
1069		1250
1070	sub find_active($) {	1251	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1252	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1253	and $cf::PLAYER{$_[0]}->active
…		…
1075		1256
1076	sub exists($) {	1257	sub exists($) {
1077	my ($login) = @_;	1258	my ($login) = @_;
1078		1259
1079	$cf::PLAYER{$login}	1260	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1261	or cf::sync_job { !aio_stat path $login }
1081	}	1262	}
1082		1263
1083	sub find($) {	1264	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1265	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1266	my $login = $_[0];
1086		1267
1087	my $guard = cf::lock_acquire "user_find:$login";	1268	my $guard = cf::lock_acquire "user_find:$login";
1088		1269
1089	$cf::PLAYER{$_[0]} || do {	1270	$cf::PLAYER{$_[0]} || do {
		1271	# rename old playerfiles to new ones
		1272	#TODO: remove when no longer required
		1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1276	aio_unlink +(playerdir $login) . "/$login.pl";
		1277
1090	my $pl = load_pl path $login	1278	my $pl = load_pl path $login
1091	or return;	1279	or return;
1092	$cf::PLAYER{$login} = $pl	1280	$cf::PLAYER{$login} = $pl
1093	}	1281	}
1094	}	1282	}
…		…
1131		1319
1132	=cut	1320	=cut
1133		1321
1134	sub quit_character {	1322	sub quit_character {
1135	my ($pl) = @_;	1323	my ($pl) = @_;
		1324
		1325	my $name = $pl->ob->name;
1136		1326
1137	$pl->{deny_save} = 1;	1327	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1328	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1329
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1335	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1336	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1337	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1338	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1339	$pl->destroy;
		1340
		1341	my $prefix = qr<^~\Q$name\E/>;
		1342
		1343	# nuke player maps
		1344	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1345
1150	IO::AIO::aio_rmtree $temp;	1346	IO::AIO::aio_rmtree $temp;
		1347	}
		1348
		1349	=item $pl->kick
		1350
		1351	Kicks a player out of the game. This destroys the connection.
		1352
		1353	=cut
		1354
		1355	sub kick {
		1356	my ($pl, $kicker) = @_;
		1357
		1358	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1359	$pl->killer ("kicked");
		1360	$pl->ns->destroy;
1151	}	1361	}
1152		1362
1153	=item cf::player::list_logins	1363	=item cf::player::list_logins
1154		1364
1155	Returns am arrayref of all valid playernames in the system, can take a	1365	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1366	while and may block, so not sync_job-capable, ever.
1157		1367
1158	=cut	1368	=cut
1159		1369
1160	sub list_logins {	1370	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1371	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1372	or return [];
1163		1373
1164	my @logins;	1374	my @logins;
1165		1375
1166	for my $login (@$dirs) {	1376	for my $login (@$dirs) {
…		…
1175	\@logins	1385	\@logins
1176	}	1386	}
1177		1387
1178	=item $player->maps	1388	=item $player->maps
1179		1389
1180	Returns an arrayref of cf::path's of all maps that are private for this	1390	Returns an arrayref of map paths that are private for this
1181	player. May block.	1391	player. May block.
1182		1392
1183	=cut	1393	=cut
1184		1394
1185	sub maps($) {	1395	sub maps($) {
1186	my ($pl) = @_;	1396	my ($pl) = @_;
		1397
		1398	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1399
1188	my $files = aio_readdir playerdir $pl	1400	my $files = aio_readdir playerdir $pl
1189	or return;	1401	or return;
1190		1402
1191	my @paths;	1403	my @paths;
…		…
1193	for (@$files) {	1405	for (@$files) {
1194	utf8::decode $_;	1406	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1407	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1408	next unless /^$PATH_SEP/o;
1197		1409
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1410	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1411	}
1200		1412
1201	\@paths	1413	\@paths
1202	}	1414	}
1203		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1466	=item $player->ext_reply ($msgid, %msg)
1205		1467
1206	Sends an ext reply to the player.	1468	Sends an ext reply to the player.
1207		1469
1208	=cut	1470	=cut
1209		1471
1210	sub ext_reply($$$%) {	1472	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1473	my ($self, $id, %msg) = @_;
1212		1474
1213	$msg{msgid} = $id;	1475	$msg{msgid} = $id;
1214		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1477	}
1217		1478
1218	package cf;	1479	=item $player->ext_event ($type, %msg)
		1480
		1481	Sends an ext event to the client.
		1482
		1483	=cut
		1484
		1485	sub ext_event($$%) {
		1486	my ($self, $type, %msg) = @_;
		1487
		1488	$self->ns->ext_event ($type, %msg);
		1489	}
		1490
		1491	=head3 cf::region
		1492
		1493	=over 4
		1494
		1495	=cut
		1496
		1497	package cf::region;
		1498
		1499	=item cf::region::find_by_path $path
		1500
		1501	Tries to decuce the likely region for a map knowing only its path.
		1502
		1503	=cut
		1504
		1505	sub find_by_path($) {
		1506	my ($path) = @_;
		1507
		1508	my ($match, $specificity);
		1509
		1510	for my $region (list) {
		1511	if ($region->{match} && $path =~ $region->{match}) {
		1512	($match, $specificity) = ($region, $region->specificity)
		1513	if $region->specificity > $specificity;
		1514	}
		1515	}
		1516
		1517	$match
		1518	}
1219		1519
1220	=back	1520	=back
1221
1222		1521
1223	=head3 cf::map	1522	=head3 cf::map
1224		1523
1225	=over 4	1524	=over 4
1226		1525
…		…
1229	package cf::map;	1528	package cf::map;
1230		1529
1231	use Fcntl;	1530	use Fcntl;
1232	use Coro::AIO;	1531	use Coro::AIO;
1233		1532
		1533	use overload
		1534	'""' => \&as_string,
		1535	fallback => 1;
		1536
1234	our $MAX_RESET = 3600;	1537	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1538	our $DEFAULT_RESET = 3000;
1236		1539
1237	sub generate_random_map {	1540	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1541	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1542	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1543	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1547	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1548	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1549	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1550	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1551	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1552	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1553	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1554	(cf::region::find $rmp->{region}), $rmp->{custom}
		1555	)
		1556	}
		1557
		1558	=item cf::map->register ($regex, $prio)
		1559
		1560	Register a handler for the map path matching the given regex at the
		1561	givne priority (higher is better, built-in handlers have priority 0, the
		1562	default).
		1563
		1564	=cut
		1565
		1566	sub register {
		1567	my (undef, $regex, $prio) = @_;
		1568	my $pkg = caller;
		1569
		1570	no strict;
		1571	push @{"$pkg\::ISA"}, __PACKAGE__;
		1572
		1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1574	}
		1575
		1576	# also paths starting with '/'
		1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1578
		1579	sub thawer_merge {
		1580	my ($self, $merge) = @_;
		1581
		1582	# we have to keep some variables in memory intact
		1583	local $self->{path};
		1584	local $self->{load_path};
		1585
		1586	$self->SUPER::thawer_merge ($merge);
		1587	}
		1588
		1589	sub normalise {
		1590	my ($path, $base) = @_;
		1591
		1592	$path = "$path"; # make sure its a string
		1593
		1594	$path =~ s/\.map$//;
		1595
		1596	# map plan:
		1597	#
		1598	# /! non-realised random map exit (special hack!)
		1599	# {... are special paths that are not being touched
		1600	# ?xxx/... are special absolute paths
		1601	# ?random/... random maps
		1602	# /... normal maps
		1603	# ~user/... per-player map of a specific user
		1604
		1605	$path =~ s/$PATH_SEP/\//go;
		1606
		1607	# treat it as relative path if it starts with
		1608	# something that looks reasonable
		1609	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1610	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1611
		1612	$base =~ s{[^/]+/?$}{};
		1613	$path = "$base/$path";
		1614	}
		1615
		1616	for ($path) {
		1617	redo if s{//}{/};
		1618	redo if s{/\.?/}{/};
		1619	redo if s{/[^/]+/\.\./}{/};
		1620	}
		1621
		1622	$path
		1623	}
		1624
		1625	sub new_from_path {
		1626	my (undef, $path, $base) = @_;
		1627
		1628	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1629
		1630	$path = normalise $path, $base;
		1631
		1632	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1633	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1634	my $self = bless cf::map::new, $pkg;
		1635	$self->{path} = $path; $self->path ($path);
		1636	$self->init; # pass $1 etc.
		1637	return $self;
		1638	}
		1639	}
		1640
		1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1642	()
		1643	}
		1644
		1645	sub init {
		1646	my ($self) = @_;
		1647
		1648	$self
		1649	}
		1650
		1651	sub as_string {
		1652	my ($self) = @_;
		1653
		1654	"$self->{path}"
		1655	}
		1656
		1657	# the displayed name, this is a one way mapping
		1658	sub visible_name {
		1659	&as_string
		1660	}
		1661
		1662	# the original (read-only) location
		1663	sub load_path {
		1664	my ($self) = @_;
		1665
		1666	"$MAPDIR/$self->{path}.map"
		1667	}
		1668
		1669	# the temporary/swap location
		1670	sub save_path {
		1671	my ($self) = @_;
		1672
		1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1674	"$TMPDIR/$path.map"
		1675	}
		1676
		1677	# the unique path, undef == no special unique path
		1678	sub uniq_path {
		1679	my ($self) = @_;
		1680
		1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1682	"$UNIQUEDIR/$path"
1254	}	1683	}
1255		1684
1256	# and all this just because we cannot iterate over	1685	# and all this just because we cannot iterate over
1257	# all maps in C++...	1686	# all maps in C++...
1258	sub change_all_map_light {	1687	sub change_all_map_light {
…		…
1260		1689
1261	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
1263	}	1692	}
1264		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
		1700	}
		1701
		1702	sub unlink_save {
		1703	my ($self) = @_;
		1704
		1705	utf8::encode (my $save = $self->save_path);
		1706	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1707	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1708	}
		1709
1265	sub try_load_header($) {	1710	sub load_header_from($) {
1266	my ($path) = @_;	1711	my ($self, $path) = @_;
1267		1712
1268	utf8::encode $path;	1713	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1714	#aio_open $path, O_RDONLY, 0
		1715	# or return;
		1716
		1717	$self->_load_header ($path)
1270	or return;	1718	or return;
1271		1719
1272	my $map = cf::map::new	1720	$self->{load_path} = $path;
		1721
		1722	1
		1723	}
		1724
		1725	sub load_header_orig {
		1726	my ($self) = @_;
		1727
		1728	$self->load_header_from ($self->load_path)
		1729	}
		1730
		1731	sub load_header_temp {
		1732	my ($self) = @_;
		1733
		1734	$self->load_header_from ($self->save_path)
		1735	}
		1736
		1737	sub prepare_temp {
		1738	my ($self) = @_;
		1739
		1740	$self->last_access ((delete $self->{last_access})
		1741	|| $cf::RUNTIME); #d#
		1742	# safety
		1743	$self->{instantiate_time} = $cf::RUNTIME
		1744	if $self->{instantiate_time} > $cf::RUNTIME;
		1745	}
		1746
		1747	sub prepare_orig {
		1748	my ($self) = @_;
		1749
		1750	$self->{load_original} = 1;
		1751	$self->{instantiate_time} = $cf::RUNTIME;
		1752	$self->last_access ($cf::RUNTIME);
		1753	$self->instantiate;
		1754	}
		1755
		1756	sub load_header {
		1757	my ($self) = @_;
		1758
		1759	if ($self->load_header_temp) {
		1760	$self->prepare_temp;
		1761	} else {
		1762	$self->load_header_orig
1273	or return;	1763	or return;
		1764	$self->prepare_orig;
		1765	}
1274		1766
1275	# for better error messages only, will be overwritten	1767	$self->{deny_reset} = 1
1276	$map->path ($path);	1768	if $self->no_reset;
1277		1769
1278	$map->load_header ($path)	1770	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1771	unless $self->default_region;
1280		1772
1281	$map->{load_path} = $path;	1773	1
1282
1283	$map
1284	}	1774	}
1285		1775
1286	sub find;	1776	sub find;
1287	sub find {	1777	sub find {
1288	my ($path, $origin) = @_;	1778	my ($path, $origin) = @_;
1289		1779
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1780	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1781
1295	cf::lock_wait "map_find:$key";	1782	cf::lock_wait "map_find:$path";
1296		1783
1297	$cf::MAP{$key} || do {	1784	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1785	my $guard = cf::lock_acquire "map_find:$path";
1299		1786	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;	1787	or return;
1319		1788
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;	1789	$map->{last_save} = $cf::RUNTIME;
1332		1790
1333	Coro::cede;	1791	$map->load_header
		1792	or return;
1334		1793
1335	if ($map->should_reset) {	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1795	# doing this can freeze the server in a sync job, obviously
		1796	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1797	$map->reset;
1337	undef $guard;	1798	undef $guard;
1338	$map = find $path	1799	return find $path;
1339	or return;
1340	}	1800	}
1341		1801
1342	$cf::MAP{$key} = $map	1802	$cf::MAP{$path} = $map
1343	}	1803	}
1344	}	1804	}
		1805
		1806	sub pre_load { }
		1807	sub post_load { }
1345		1808
1346	sub load {	1809	sub load {
1347	my ($self) = @_;	1810	my ($self) = @_;
1348		1811
		1812	local $self->{deny_reset} = 1; # loading can take a long time
		1813
1349	my $path = $self->{path};	1814	my $path = $self->{path};
		1815
		1816	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1817	my $guard = cf::lock_acquire "map_load:$path";
1351		1818
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1819	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1820
1354	$self->in_memory (cf::MAP_LOADING);	1821	$self->in_memory (cf::MAP_LOADING);
1355		1822
1356	$self->alloc;	1823	$self->alloc;
		1824
		1825	$self->pre_load;
		1826	Coro::cede;
		1827
1357	$self->load_objects ($self->{load_path}, 1)	1828	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1829	or return;
1359		1830
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1832	if delete $self->{load_original};
1362		1833
1363	if (my $uniq = $path->uniq_path) {	1834	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1835	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1836	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1837	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1838	$self->_load_objects ($uniq, 0);
1368	}	1839	}
1369	}	1840	}
1370		1841
1371	Coro::cede;	1842	Coro::cede;
1372
1373	# now do the right thing for maps	1843	# now do the right thing for maps
1374	$self->link_multipart_objects;	1844	$self->link_multipart_objects;
1375
1376	if ($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)	1845	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1846	unless $self->difficulty;
		1847	Coro::cede;
		1848
		1849	unless ($self->{deny_activate}) {
		1850	$self->decay_objects;
		1851	$self->fix_auto_apply;
		1852	$self->update_buttons;
		1853	Coro::cede;
		1854	$self->set_darkness_map;
		1855	Coro::cede;
1386	$self->activate;	1856	$self->activate;
1387	}	1857	}
1388		1858
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1859	$self->in_memory (cf::MAP_IN_MEMORY);
		1860	}
		1861
		1862	$self->post_load;
		1863	}
		1864
		1865	sub customise_for {
		1866	my ($self, $ob) = @_;
		1867
		1868	return find "~" . $ob->name . "/" . $self->{path}
		1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
		1873
		1874	$self
1392	}	1875	}
1393		1876
1394	# find and load all maps in the 3x3 area around a map	1877	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1878	sub load_diag {
1396	my ($map) = @_;	1879	my ($map) = @_;
…		…
1426		1909
1427	cf::sync_job { $map->load };	1910	cf::sync_job { $map->load };
1428	}	1911	}
1429		1912
1430	our %MAP_PREFETCH;	1913	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1914	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1915
1446	sub find_async {	1916	sub find_async {
1447	my ($path, $origin) = @_;	1917	my ($path, $origin) = @_;
1448		1918
1449	$path = new cf::path $path, $origin && $origin->path;	1919	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1920
1452	if (my $map = $cf::MAP{$key}) {	1921	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1923	}
1455		1924
1456	$MAP_PREFETCH{$key} = $path;	1925	undef $MAP_PREFETCH{$path};
		1926	$MAP_PREFETCHER ||= cf::async {
		1927	while (%MAP_PREFETCH) {
		1928	for my $path (keys %MAP_PREFETCH) {
		1929	if (my $map = find $path) {
		1930	$map->load;
		1931	}
		1932
		1933	delete $MAP_PREFETCH{$path};
		1934	}
		1935	}
		1936	undef $MAP_PREFETCHER;
		1937	};
1457	$MAP_PREFETCHER->ready;	1938	$MAP_PREFETCHER->prio (6);
1458		1939
1459	()	1940	()
1460	}	1941	}
1461		1942
1462	sub save {	1943	sub save {
…		…
1466		1947
1467	$self->{last_save} = $cf::RUNTIME;	1948	$self->{last_save} = $cf::RUNTIME;
1468		1949
1469	return unless $self->dirty;	1950	return unless $self->dirty;
1470		1951
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1952	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1953	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1954
1474	$self->{load_path} = $save;	1955	$self->{load_path} = $save;
1475		1956
1476	return if $self->{deny_save};	1957	return if $self->{deny_save};
1477		1958
…		…
1480	cf::async {	1961	cf::async {
1481	$_->contr->save for $self->players;	1962	$_->contr->save for $self->players;
1482	};	1963	};
1483		1964
1484	if ($uniq) {	1965	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1968	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1969	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1970	}
1490	}	1971	}
1491		1972
1492	sub swap_out {	1973	sub swap_out {
1493	my ($self) = @_;	1974	my ($self) = @_;
…		…
1507		1988
1508	sub reset_at {	1989	sub reset_at {
1509	my ($self) = @_;	1990	my ($self) = @_;
1510		1991
1511	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1514		1994
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1997
…		…
1522	my ($self) = @_;	2002	my ($self) = @_;
1523		2003
1524	$self->reset_at <= $cf::RUNTIME	2004	$self->reset_at <= $cf::RUNTIME
1525	}	2005	}
1526		2006
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	2007	sub reset {
1549	my ($self) = @_;	2008	my ($self) = @_;
1550		2009
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2011
1553	return if $self->players;	2012	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2013
1556	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
		2015
		2016	$self->in_memory (cf::MAP_SWAPPED);
		2017
		2018	# need to save uniques path
		2019	unless ($self->{deny_save}) {
		2020	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2021
		2022	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2023	if $uniq;
		2024	}
1557		2025
1558	delete $cf::MAP{$self->path};	2026	delete $cf::MAP{$self->path};
		2027
		2028	$self->clear;
1559		2029
1560	$_->clear_links_to ($self) for values %cf::MAP;	2030	$_->clear_links_to ($self) for values %cf::MAP;
1561		2031
1562	$self->unlink_save;	2032	$self->unlink_save;
1563	$self->destroy;	2033	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2036	my $nuke_counter = "aaaa";
1567		2037
1568	sub nuke {	2038	sub nuke {
1569	my ($self) = @_;	2039	my ($self) = @_;
1570		2040
		2041	delete $cf::MAP{$self->path};
		2042
		2043	$self->unlink_save;
		2044
		2045	bless $self, "cf::map";
		2046	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2047	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2048	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2050
		2051	$cf::MAP{$self->path} = $self;
		2052
1574	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
1575	}	2054	}
1576		2055
1577	sub customise_for {	2056	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2057
1580	if ($map->per_player) {	2058	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
1582	}	2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
		2072	}
1583		2073
1584	$map	2074	=item $maps = cf::map::random_maps
		2075
		2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
		2078
		2079	=cut
		2080
		2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
1585	}	2090	}
1586		2091
1587	=item cf::map::unique_maps	2092	=item cf::map::unique_maps
1588		2093
1589	Returns an arrayref of cf::path's of all shared maps that have	2094	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2095	instantiated unique items. May block.
1591		2096
1592	=cut	2097	=cut
1593		2098
1594	sub unique_maps() {	2099	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2100	[
1596	or return;	2101	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2102	utf8::decode $_;
1602	next if /\.pst$/;	2103	/\.map$/
1603	next unless /^$PATH_SEP/o;	2104	? normalise $_
1604		2105	: ()
1605	push @paths, new cf::path $_;	2106	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2107	]
1607
1608	\@paths
1609	}	2108	}
1610		2109
1611	package cf;	2110	package cf;
1612		2111
1613	=back	2112	=back
…		…
1659		2158
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2160
1662	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1664	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1667	}	2180	}
1668	}	2181	}
1669		2182
1670	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1671		2184
…		…
1685		2198
1686	=item $player_object->enter_link	2199	=item $player_object->enter_link
1687		2200
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2201	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2202
1690	The player should be reaosnably safe there for short amounts of time. You	2203	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.	2204	I<MUST> call C<leave_link> as soon as possible, though.
1692		2205
		2206	Will never block.
		2207
1693	=item $player_object->leave_link ($map, $x, $y)	2208	=item $player_object->leave_link ($map, $x, $y)
1694		2209
1695	Moves the player out of the specila link map onto the given map. If the	2210	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2211	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2212	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2213	fails, to the emergency map position.
1699		2214
1700	Might block.	2215	Might block.
1701		2216
1702	=cut	2217	=cut
		2218
		2219	sub link_map {
		2220	unless ($LINK_MAP) {
		2221	$LINK_MAP = cf::map::find "{link}"
		2222	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2223	$LINK_MAP->load;
		2224	}
		2225
		2226	$LINK_MAP
		2227	}
1703		2228
1704	sub cf::object::player::enter_link {	2229	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2230	my ($self) = @_;
1706		2231
1707	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1708		2233
1709	return if $self->map == $LINK_MAP;	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2235
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1713		2238
1714	$self->enter_map ($LINK_MAP, 20, 20);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2240	}
1716		2241
1717	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1719		2246
1720	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1721		2248
1722	unless ($map) {	2249	unless ($map) {
1723	# restore original map position	2250	# restore original map position
…		…
1741	$map->load;	2268	$map->load;
1742	$map->load_diag;	2269	$map->load_diag;
1743		2270
1744	return unless $self->contr->active;	2271	return unless $self->contr->active;
1745	$self->activate_recursive;	2272	$self->activate_recursive;
		2273
		2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1747	}	2276	}
1748		2277
1749	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2279
1753	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1757	};	2284	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2285
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	2286	=cut
		2287
		2288	our $GOTOGEN;
1784		2289
1785	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2292
1788	$path = new cf::path $path;	2293	# do generation counting so two concurrent goto's will be executed in-order
		2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2295
1790	$self->enter_link;	2296	$self->enter_link;
1791		2297
1792	(async {	2298	(async {
		2299	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
1795		2304	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2305	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
1800		2308
		2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
		2315	}
		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1802	})->prio (1);	2323	})->prio (1);
1803	}	2324	}
1804		2325
1805	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1806		2327
…		…
1808		2329
1809	sub parse_random_map_params {	2330	sub parse_random_map_params {
1810	my ($spec) = @_;	2331	my ($spec) = @_;
1811		2332
1812	my $rmp = { # defaults	2333	my $rmp = { # defaults
1813	xsize => 10,	2334	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2335	ysize => (cf::rndm 15, 40),
		2336	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2337	#layout => string,
1815	};	2338	};
1816		2339
1817	for (split /\n/, $spec) {	2340	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2341	my ($k, $v) = split /\s+/, $_, 2;
1819		2342
…		…
1823	$rmp	2346	$rmp
1824	}	2347	}
1825		2348
1826	sub prepare_random_map {	2349	sub prepare_random_map {
1827	my ($exit) = @_;	2350	my ($exit) = @_;
		2351
		2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2353
1829	# all this does is basically replace the /! path by	2354	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2355	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2356	# that depends on the exit object
1832		2357
1833	my $rmp = parse_random_map_params $exit->msg;	2358	my $rmp = parse_random_map_params $exit->msg;
1834		2359
1835	if ($exit->map) {	2360	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2361	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2362	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2363	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2364	$rmp->{origin_y} = $exit->y;
1840	}	2365	}
1841		2366
1842	$rmp->{random_seed} ||= $exit->random_seed;	2367	$rmp->{random_seed} ||= $exit->random_seed;
1843		2368
1844	my $data = cf::to_json $rmp;	2369	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2370	my $md5 = Digest::MD5::md5_hex $data;
		2371	my $meta = "$RANDOMDIR/$md5.meta";
1846		2372
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2374	aio_write $fh, 0, (length $data), $data, 0;
		2375	undef $fh;
		2376	aio_rename "$meta~", $meta;
1849		2377
1850	$exit->slaying ("?random/$md5");	2378	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2379	$exit->msg (undef);
1852	}	2380	}
1853	}	2381	}
…		…
1855	sub cf::object::player::enter_exit {	2383	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2384	my ($self, $exit) = @_;
1857		2385
1858	return unless $self->type == cf::PLAYER;	2386	return unless $self->type == cf::PLAYER;
1859		2387
		2388	if ($exit->slaying eq "/!") {
		2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2390	# the problem is that $exit might not survive long enough
		2391	# so it needs to be done right now, right here
		2392	cf::sync_job { prepare_random_map $exit };
		2393	}
		2394
		2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2396	my $hp = $exit->stats->hp;
		2397	my $sp = $exit->stats->sp;
		2398
1860	$self->enter_link;	2399	$self->enter_link;
		2400
		2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
1861		2404
1862	(async {	2405	(async {
1863	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2407	unless (eval {
1865	prepare_random_map $exit	2408	$self->goto ($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		2409
1871	1;	2410	1;
1872	}) {	2411	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2412	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2413	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2414	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2415	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2416
1878	warn "ERROR in enter_exit: $@";	2417	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2418	$self->leave_link;
1880	}	2419	}
1881	})->prio (1);	2420	})->prio (1);
…		…
1894		2433
1895	sub cf::client::send_drawinfo {	2434	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2435	my ($self, $text, $flags) = @_;
1897		2436
1898	utf8::encode $text;	2437	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2439	}
1901		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	$color &= ~cf::NDI_UNIQUE; # just in case...
		2456
		2457	if (ref $channel) {
		2458	# send meta info to client, if not yet sent
		2459	unless (exists $self->{channel}{$channel->{id}}) {
		2460	$self->{channel}{$channel->{id}} = $channel;
		2461	$self->ext_event (channel_info => %$channel);
		2462	}
		2463
		2464	$channel = $channel->{id};
		2465	}
		2466
		2467	return unless @extra || length $msg;
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
		2493	=item $client->ext_event ($type, %msg)
		2494
		2495	Sends an ext event to the client.
		2496
		2497	=cut
		2498
		2499	sub cf::client::ext_event($$%) {
		2500	my ($self, $type, %msg) = @_;
		2501
		2502	return unless $self->extcmd;
		2503
		2504	$msg{msgtype} = "event_$type";
		2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2506	}
1902		2507
1903	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
1904		2509
1905	Queues a query to the client, calling the given callback with	2510	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>,	2511	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>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2513
1909	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2515	become reliable at some point in the future.
1911		2516
1912	=cut	2517	=cut
1913		2518
1914	sub cf::client::query {	2519	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2528	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2530
1926	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
1928	}	2535	}
1929		2536
1930	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
1931	on_reply => sub {	2543	on_reply => sub {
1932	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
1933		2545
1934	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
1935	# get handled first	2547	# get handled first
1936	my $queue = delete $ns->{query_queue}	2548	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2549	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2550
1939	(shift @$queue)->[1]->($msg);	2551	(shift @$queue)->[1]->($msg);
		2552	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2553
1941	push @{ $ns->{query_queue} }, @$queue;	2554	push @{ $ns->{query_queue} }, @$queue;
1942		2555
1943	if (@{ $ns->{query_queue} } == @$queue) {	2556	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2557	if (@$queue) {
…		…
1946	} else {	2559	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2561	}
1949	}	2562	}
1950	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
1951	);	2582	);
1952		2583
1953	=item $client->async (\&cb)	2584	=item $client->async (\&cb)
1954		2585
1955	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2633
2003	# here we export the classes and methods available to script code	2634	# here we export the classes and methods available to script code
2004		2635
2005	=pod	2636	=pod
2006		2637
2007	The following fucntions and emthods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
2008		2639
2009	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
2010	cf::object::player player	2644	cf::object::player
2011	cf::player peaceful	2645	player
2012	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
2013		2652
2014	=cut	2653	=cut
2015		2654
2016	for (	2655	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
2018	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
2021	) {	2661	) {
2022	no strict 'refs';	2662	no strict 'refs';
…		…
2093	=back	2733	=back
2094		2734
2095	=cut	2735	=cut
2096		2736
2097	#############################################################################	2737	#############################################################################
		2738	# the server's init and main functions
2098		2739
2099	=head2 EXTENSION DATABASE SUPPORT	2740	sub load_facedata($) {
		2741	my ($path) = @_;
2100		2742
2101	Crossfire maintains a very simple database for extension use. It can	2743	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2744
2105	The parameter C<$family> should best start with the name of the extension	2745	my $facedata;
2106	using it, it should be unique.	2746	0 < aio_load $path, $facedata
		2747	or die "$path: $!";
2107		2748
2108	=over 4	2749	$facedata = Coro::Storable::thaw $facedata;
2109		2750
2110	=item $hashref = cf::db_get $family	2751	$facedata->{version} == 2
		2752	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2753
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key
2117
2118	Returns a single value from the database
2119
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	}	2754	{
		2755	my $faces = $facedata->{faceinfo};
2148		2756
2149	my $pid;	2757	while (my ($face, $info) = each %$faces) {
		2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
		2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2150		2763
2151	sub db_save() {	2764	cf::cede_to_tick;
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	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2765	}
2197	);
2198	}
2199		2766
2200	#############################################################################	2767	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2768	next unless $info->{smooth};
		2769	my $idx = cf::face::find $face
		2770	or next;
		2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
		2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2774	} else {
		2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2776	}
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	{
		2783	my $anims = $facedata->{animinfo};
		2784
		2785	while (my ($anim, $info) = each %$anims) {
		2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2787	cf::cede_to_tick;
		2788	}
		2789
		2790	cf::anim::invalidate_all; # d'oh
		2791	}
		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
		2821	}
		2822
		2823	1
		2824	}
		2825
		2826	sub reload_regions {
		2827	load_resource_file "$MAPDIR/regions"
		2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
		2834	}
		2835
		2836	sub reload_facedata {
		2837	load_facedata "$DATADIR/facedata"
		2838	or die "unable to load facedata\n";
		2839	}
		2840
		2841	sub reload_archetypes {
		2842	load_resource_file "$DATADIR/archetypes"
		2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
		2849	}
		2850
		2851	sub reload_treasures {
		2852	load_resource_file "$DATADIR/treasures"
		2853	or die "unable to load treasurelists\n";
		2854	}
		2855
		2856	sub reload_resources {
		2857	warn "reloading resource files...\n";
		2858
		2859	reload_regions;
		2860	reload_facedata;
		2861	#reload_archetypes;#d#
		2862	reload_archetypes;
		2863	reload_treasures;
		2864
		2865	warn "finished reloading resource files\n";
		2866	}
		2867
		2868	sub init {
		2869	reload_resources;
		2870	}
2202		2871
2203	sub cfg_load {	2872	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2873	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2874	or return;
2206		2875
2207	local $/;	2876	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2877	*CFG = YAML::Syck::Load <$fh>;
2209		2878
…		…
2223		2892
2224	sub main {	2893	sub main {
2225	# we must not ever block the main coroutine	2894	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2895	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2897	(async {
2228	async { Event::one_event };	2898	Event::one_event;
		2899	})->prio (Coro::PRIO_MAX);
2229	};	2900	};
2230		2901
2231	cfg_load;	2902	cfg_load;
2232	db_load;	2903	db_init;
2233	load_extensions;	2904	load_extensions;
		2905
		2906	$TICK_WATCHER->start;
2234	Event::loop;	2907	Event::loop;
2235	}	2908	}
2236		2909
2237	#############################################################################	2910	#############################################################################
2238	# initialisation and cleanup	2911	# initialisation and cleanup
2239		2912
2240	# install some emergency cleanup handlers	2913	# install some emergency cleanup handlers
2241	BEGIN {	2914	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2915	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2916	Event->signal (
		2917	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2918	data => WF_AUTOCANCEL,
2245	signal => $signal,	2919	signal => $signal,
		2920	prio => 0,
2246	cb => sub {	2921	cb => sub {
2247	cf::cleanup "SIG$signal";	2922	cf::cleanup "SIG$signal";
2248	},	2923	},
2249	);	2924	);
2250	}	2925	}
2251	}	2926	}
2252		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
		2964	}
		2965
2253	sub emergency_save() {	2966	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	2967	my $freeze_guard = cf::freeze_mainloop;
2255		2968
2256	warn "enter emergency perl save\n";	2969	warn "enter emergency perl save\n";
2257		2970
2258	cf::sync_job {	2971	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2972	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2973	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2974	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2975	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2976	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2977	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2978	$pl->valid or next;
2266	$pl->save;	2979	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2985	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2986	$map->valid or next;
2274	$map->save;	2987	$map->save;
2275	}	2988	}
2276	warn "end emergency map save\n";	2989	warn "end emergency map save\n";
		2990
		2991	warn "begin emergency database checkpoint\n";
		2992	BDB::db_env_txn_checkpoint $DB_ENV;
		2993	warn "end emergency database checkpoint\n";
2277	};	2994	};
2278		2995
2279	warn "leave emergency perl save\n";	2996	warn "leave emergency perl save\n";
2280	}	2997	}
2281		2998
		2999	sub post_cleanup {
		3000	my ($make_core) = @_;
		3001
		3002	warn Carp::longmess "post_cleanup backtrace"
		3003	if $make_core;
		3004	}
		3005
2282	sub reload() {	3006	sub do_reload_perl() {
2283	# can/must only be called in main	3007	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3008	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3009	warn "can only reload from main coroutine";
2286	return;	3010	return;
2287	}	3011	}
2288		3012
2289	warn "reloading...";	3013	warn "reloading...";
2290		3014
2291	warn "freezing server";	3015	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3016
		3017	cf::sync_job {
		3018	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3019	cf::emergency_save;
		3020	cf::write_runtime; # external watchdog should not bark
2294		3021
2295	warn "sync database to disk";	3022	warn "syncing database to disk";
2296	cf::db_sync;	3023	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3024
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3025	# if anything goes wrong in here, we should simply crash as we already saved
2301		3026
2302	warn "cancel all watchers";	3027	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3028	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3029	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3030	}
2306		3031
		3032	warn "flushing outstanding aio requests";
		3033	for (;;) {
		3034	BDB::flush;
		3035	IO::AIO::flush;
		3036	Coro::cede;
		3037	last unless IO::AIO::nreqs || BDB::nreqs;
		3038	warn "iterate...";
		3039	}
		3040
		3041	++$RELOAD;
		3042
2307	warn "cancel all extension coros";	3043	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3044	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3045	%EXT_CORO = ();
2310		3046
2311	warn "remove commands";	3047	warn "removing commands";
2312	%COMMAND = ();	3048	%COMMAND = ();
2313		3049
2314	warn "remove ext commands";	3050	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3051	%EXTCMD = ();
		3052	%EXTICMD = ();
2316		3053
2317	warn "unload/nuke all extensions";	3054	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3055	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	3056	warn "... unloading $pkg";
2320		3057
2321	if (my $cb = $pkg->can ("unload")) {	3058	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3059	eval {
…		…
2327		3064
2328	warn "... nuking $pkg";	3065	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	3066	Symbol::delete_package $pkg;
2330	}	3067	}
2331		3068
2332	warn "unload all perl modules loaded from $LIBDIR";	3069	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	3070	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		3072
2336	warn "removing <$k>";	3073	warn "... unloading $k";
2337	delete $INC{$k};	3074	delete $INC{$k};
2338		3075
2339	$k =~ s/\.pm$//;	3076	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	3077	$k =~ s/\//::/g;
2341		3078
…		…
2344	}	3081	}
2345		3082
2346	Symbol::delete_package $k;	3083	Symbol::delete_package $k;
2347	}	3084	}
2348		3085
2349	warn "get rid of safe::, as good as possible";	3086	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3087	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3089
2353	warn "unload cf.pm \"a bit\"";	3090	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3091	delete $INC{"cf.pm"};
		3092	delete $INC{"cf/pod.pm"};
2355		3093
2356	# don't, removes xs symbols, too,	3094	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3095	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3096	#Symbol::delete_package __PACKAGE__;
2359		3097
		3098	warn "unload completed, starting to reload now";
		3099
2360	warn "reloading cf.pm";	3100	warn "reloading cf.pm";
2361	require cf;	3101	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		3103
2364	warn "load config and database again";	3104	warn "loading config and database again";
2365	cf::cfg_load;	3105	cf::cfg_load;
2366	cf::db_load;
2367		3106
2368	warn "load extensions";	3107	warn "loading extensions";
2369	cf::load_extensions;	3108	cf::load_extensions;
2370		3109
2371	warn "reattach attachments to objects/players";	3110	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3111	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3112	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3113	reattach $_ for values %MAP;
2375	};	3114	warn "reattaching attachments to players";
		3115	reattach $_ for values %PLAYER;
2376		3116
2377	if ($@) {	3117	warn "leaving sync_job";
		3118
		3119	1
		3120	} or do {
2378	warn $@;	3121	warn $@;
2379	warn "error while reloading, exiting.";	3122	warn "error while reloading, exiting.";
2380	exit 1;	3123	exit 1;
2381	}	3124	};
2382		3125
2383	warn "reloaded";	3126	warn "reloaded";
2384	};	3127	};
2385		3128
2386	#############################################################################	3129	our $RELOAD_WATCHER; # used only during reload
2387		3130
2388	unless ($LINK_MAP) {	3131	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3132	# doing reload synchronously and two reloads happen back-to-back,
		3133	# coro crashes during coro_state_free->destroy here.
2390		3134
2391	$LINK_MAP->width (41);	3135	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	3136	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	3137	after => 0,
		3138	data => WF_AUTOCANCEL,
2401	cb => sub {	3139	cb => sub {
2402	$_[0]->w->cancel;	3140	do_reload_perl;
2403		3141	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	3142	},
2422		3143	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3144	}
2428		3145
2429	register_command "reload" => sub {	3146	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3147	my ($who, $arg) = @_;
2431		3148
2432	if ($who->flag (FLAG_WIZ)) {	3149	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3150	$who->message ("reloading server.");
		3151	async { reload_perl };
2436	}	3152	}
2437	};	3153	};
2438		3154
2439	unshift @INC, $LIBDIR;	3155	unshift @INC, $LIBDIR;
2440		3156
		3157	my $bug_warning = 0;
		3158
		3159	our @WAIT_FOR_TICK;
		3160	our @WAIT_FOR_TICK_BEGIN;
		3161
		3162	sub wait_for_tick {
		3163	return unless $TICK_WATCHER->is_active;
		3164	return if $Coro::current == $Coro::main;
		3165
		3166	my $signal = new Coro::Signal;
		3167	push @WAIT_FOR_TICK, $signal;
		3168	$signal->wait;
		3169	}
		3170
		3171	sub wait_for_tick_begin {
		3172	return unless $TICK_WATCHER->is_active;
		3173	return if $Coro::current == $Coro::main;
		3174
		3175	my $signal = new Coro::Signal;
		3176	push @WAIT_FOR_TICK_BEGIN, $signal;
		3177	$signal->wait;
		3178	}
		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3183	reentrant => 0,
		3184	parked => 1,
2443	prio => 0,	3185	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3187	data => WF_AUTOCANCEL,
2446	cb => sub {	3188	cb => sub {
		3189	if ($Coro::current != $Coro::main) {
		3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3191	unless ++$bug_warning > 10;
		3192	return;
		3193	}
		3194
		3195	$NOW = $tick_start = Event::time;
		3196
2447	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
		3221
2448	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2450		3224
2451	$WAIT_FOR_TICK->broadcast;	3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3227	Coro::async_pool {
		3228	write_runtime
		3229	or warn "ERROR: unable to write runtime file: $!";
		3230	};
		3231	}
		3232
		3233	# my $AFTER = Event::time;
		3234	# warn $AFTER - $NOW;#d#
		3235
		3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3237	$sig->send;
		3238	}
		3239	while (my $sig = shift @WAIT_FOR_TICK) {
		3240	$sig->send;
		3241	}
		3242
		3243	$NOW = Event::time;
2453		3244
2454	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3247
2457	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
		3250
		3251	$LOAD = ($NOW - $tick_start) / $TICK;
		3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3253
		3254	_post_tick;
		3255
		3256
2459	},	3257	},
2460	);	3258	);
2461		3259
		3260	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	3261	BDB::max_poll_time $TICK * 0.1;
2463		3262	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3263	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3264	fd => BDB::poll_fileno,
2466	poll => 'r',	3265	poll => 'r',
2467	prio => 5,	3266	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3267	data => WF_AUTOCANCEL,
2474	after => 0,	3268	cb => \&BDB::poll_cb,
2475	interval => 10,	3269	);
2476	cb => sub {	3270	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3271
2478	write_runtime	3272	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3273	my $status;
		3274	my $current = $Coro::current;
		3275	(
		3276	sub {
		3277	$status = $!;
		3278	$current->ready; undef $current;
		3279	},
		3280	sub {
		3281	Coro::schedule while defined $current;
		3282	$! = $status;
		3283	},
		3284	)
		3285	};
		3286
		3287	unless ($DB_ENV) {
		3288	$DB_ENV = BDB::db_env_create;
		3289
		3290	cf::sync_job {
		3291	eval {
		3292	BDB::db_env_open
		3293	$DB_ENV,
		3294	$BDBDIR,
		3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3297	0666;
		3298
		3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3300
		3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3302	$DB_ENV->set_lk_detect;
		3303	};
		3304
		3305	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3306	};
2481	},	3307	}
2482	);	3308	}
		3309
		3310	{
		3311	IO::AIO::min_parallel 8;
		3312
		3313	undef $Coro::AIO::WATCHER;
		3314	IO::AIO::max_poll_time $TICK * 0.1;
		3315	$AIO_POLL_WATCHER = Event->io (
		3316	reentrant => 0,
		3317	data => WF_AUTOCANCEL,
		3318	fd => IO::AIO::poll_fileno,
		3319	poll => 'r',
		3320	prio => 6,
		3321	cb => \&IO::AIO::poll_cb,
		3322	);
		3323	}
		3324
		3325	my $_log_backtrace;
		3326
		3327	sub _log_backtrace {
		3328	my ($msg, @addr) = @_;
		3329
		3330	$msg =~ s/\n//;
		3331
		3332	# limit the # of concurrent backtraces
		3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
		3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
		3360	}
		3361	}
		3362
		3363	# load additional modules
		3364	use cf::pod;
2483		3365
2484	END { cf::emergency_save }	3366	END { cf::emergency_save }
2485		3367
2486	1	3368	1
2487		3369

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