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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 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
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	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(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		94
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $tick_start; # for load detecting purposes
64		101
65	binmode STDOUT;	102	binmode STDOUT;
66	binmode STDERR;	103	binmode STDERR;
67		104
68	# read virtual server time, if available	105	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
73	}	110	}
74		111
75	mkdir cf::localdir;	112	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		114
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
84		118
85	#############################################################################	119	#############################################################################
86		120
87	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
88		122
…		…
95	=item $cf::RUNTIME	129	=item $cf::RUNTIME
96		130
97	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
98	every server tick.	132	every server tick.
99		133
100	=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
101		137
102	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		142
105	=item $cf::NOW	143	=item $cf::NOW
106		144
107	The time of the last (current) server tick.	145	The time of the last (current) server tick.
108		146
109	=item $cf::TICK	147	=item $cf::TICK
110		148
111	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.
112		160
113	=item %cf::CFG	161	=item %cf::CFG
114		162
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	164	from wherever your confdir points to.
117		165
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		167
120	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
121	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
122	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.
123	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.
124		177
125	=back	178	=back
126		179
127	=cut	180	=cut
128		181
129	BEGIN {	182	BEGIN {
130	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	184	my $msg = join "", @_;
132	utf8::encode $msg;
133		185
134	$msg .= "\n"	186	$msg .= "\n"
135	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
136		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
137	LOG llevError, $msg;	192	LOG llevError, $msg;
138	};	193	};
139	}	194	}
140		195
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		203
148	# 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
149	# within the Safe compartment.	205	# within the Safe compartment.
150	for my $pkg (qw(	206	for my $pkg (qw(
151	cf::global cf::attachable	207	cf::global cf::attachable
…		…
159	}	215	}
160		216
161	$Event::DIED = sub {	217	$Event::DIED = sub {
162	warn "error in event callback: @_";	218	warn "error in event callback: @_";
163	};	219	};
		220
		221	#############################################################################
164		222
165	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
166		224
167	=over 4	225	=over 4
168		226
…		…
187	$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;
188	$d	246	$d
189	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
190	}	248	}
191		249
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
195		251
196	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
197		253
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
206		255
207	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
208		257
209	=cut	258	=cut
210		259
211	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
213	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
215		264
216	=item cf::lock_wait $string	265	=item cf::lock_wait $string
217		266
218	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
219		268
…		…
225	returned.	274	returned.
226		275
227	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
228	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
229		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
230	=cut	283	=cut
231		284
232	our %LOCK;	285	our %LOCK;
233		286
234	sub lock_wait($) {	287	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
255	}	308	}
256	}	309	}
257		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
258	sub freeze_mainloop {	317	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
260		319
261	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
262	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
263	$guard	324	$guard
264	}	325	}
265		326
266	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
273		334
274	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
275		336
276	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
277		338
278	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
281		343
282	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
285	fast or be very important.	347	fast or be very important.
…		…
288		350
289	sub sync_job(&) {	351	sub sync_job(&) {
290	my ($job) = @_;	352	my ($job) = @_;
291		353
292	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
293	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
295		359
296	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
308		372
309	while ($busy) {	373	while ($busy) {
310	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
311	}	375	}
312		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
313	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
314	} else {	385	} else {
315	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
316		387
317	$job->()	388	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
337		408
338	$coro	409	$coro
339	}	410	}
340		411
341	sub write_runtime {	412	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		413
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
345	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.
346		418
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	419	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		420
351	aio_fsync $fh	421	sub _store_scalar {
352	and return;	422	open my $fh, ">", \my $buf
353		423	or die "fork_call: cannot open fh-to-buf in child : $!";
		424	Storable::store_fd $_[0], $fh;
354	close $fh	425	close $fh;
355	or return;
356		426
357	aio_rename "$runtime~", $runtime	427	$buf
358	and return;	428	}
359		429
		430	sub fork_call(&@) {
		431	my ($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 $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
360	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		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 });
361	}	599	}
362		600
363	=back	601	=back
364		602
365	=cut	603	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		604
522	#############################################################################	605	#############################################################################
523		606
524	=head2 ATTACHABLE OBJECTS	607	=head2 ATTACHABLE OBJECTS
525		608
…		…
527	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")
528	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
529		612
530	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>
531	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
532	crossfire+).	615	Crossfire TRT).
533		616
534	=over 4	617	=over 4
535		618
536	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
537		620
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	734	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	735	our @CB_MAP = ();
653		736
654	my %attachment;	737	my %attachment;
655		738
		739	sub cf::attachable::thawer_merge {
		740	# simply override everything except _meta
		741	local $_[0]{_meta};
		742	%{$_[0]} = %{$_[1]};
		743	}
		744
656	sub _attach_cb($$$$) {	745	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	746	my ($registry, $event, $prio, $cb) = @_;
658		747
659	use sort 'stable';	748	use sort 'stable';
660		749
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
695		784
696	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		789
701	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	791	my $pkg = shift @arg;
703		792
704	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
734	}	823	}
735		824
736	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
737	} else {	826	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	828	}
740		829
741	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
742	}	831	}
743		832
…		…
745	if (ref $_[0]) {	834	if (ref $_[0]) {
746	_object_attach @_;	835	_object_attach @_;
747	} else {	836	} else {
748	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
749	}	838	}
		839	_recalc_want;
750	};	840	};
751		841
752	# all those should be optimised	842	# all those should be optimised
753	sub cf::attachable::detach {	843	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
758	reattach ($obj);	848	reattach ($obj);
759	} else {	849	} else {
760	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
761	}	851	}
		852	_recalc_want;
762	};	853	};
763		854
764	sub cf::attachable::attached {	855	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
766		857
…		…
781	";	872	";
782	die if $@;	873	die if $@;
783	}	874	}
784		875
785	our $override;	876	our $override;
786	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?
787		878
788	sub override {	879	sub override {
789	$override = 1;	880	$override = 1;
790	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
791	}	882	}
792		883
793	sub do_invoke {	884	sub do_invoke {
794	my $event = shift;	885	my $event = shift;
795	my $callbacks = shift;	886	my $callbacks = shift;
796		887
797	@invoke_results = ();	888	@INVOKE_RESULTS = ();
798		889
799	local $override;	890	local $override;
800		891
801	for (@$callbacks) {	892	for (@$callbacks) {
802	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
819		910
820	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
821		912
822	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
823	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
824	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		916
826	=back	917	=back
827		918
828	=cut	919	=cut
829		920
…		…
831	# object support	922	# object support
832		923
833	sub reattach {	924	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	925	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	926	my ($obj) = @_;
		927
		928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		929
837	my $registry = $obj->registry;	930	my $registry = $obj->registry;
838		931
839	@$registry = ();	932	@$registry = ();
840		933
…		…
887	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
888		981
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	986	close $fh;
894		987
895	if (@$objs) {	988	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	994	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
903	}	996	}
904	} else {	997	} else {
905	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
937	or return;	1030	or return;
938	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1032	}
940		1033
941	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
943	return ($data, $av);	1036	return ($data, $av);
944	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
945		1044
946	#############################################################################	1045	#############################################################################
947	# command handling &c	1046	# command handling &c
948		1047
949	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1062	}
964		1063
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1065
967	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
968		1071
969	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
970	called.	1073	called.
971		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
972	=cut	1086	=cut
973		1087
974	sub register_extcmd {	1088	sub register_extcmd {
975	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
976		1090
977	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
978	}	1098	}
979		1099
980	cf::player->attach (	1100	cf::player->attach (
981	on_command => sub {	1101	on_command => sub {
982	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1111	cf::override;
992	},	1112	},
993	on_extcmd => sub {	1113	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
995		1115
996	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1117
998	if (ref $msg) {	1118	if (ref $msg) {
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
1001	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1007		1127
1008	cf::override;	1128	cf::override;
1009	},	1129	},
1010	);	1130	);
1011		1131
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
1040	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1137	next unless -r $path;
1042	eval {	1138
1043	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
1044	1	1196	}
1045	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
1046	}	1202	};
1047	}	1203	}
1048		1204
1049	#############################################################################	1205	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1206
1052	*cf::mapsupport::on_clean = sub {	1207	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1208
1065	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
1066		1210
1067	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
1068		1212
…		…
1081	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
1082		1226
1083	=cut	1227	=cut
1084		1228
1085	sub playerdir($) {	1229	sub playerdir($) {
1086	cf::localdir	1230	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1232	}
1092		1233
1093	sub path($) {	1234	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1236
1096	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
1097	}	1238	}
1098		1239
1099	sub find_active($) {	1240	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
1104		1245
1105	sub exists($) {	1246	sub exists($) {
1106	my ($login) = @_;	1247	my ($login) = @_;
1107		1248
1108	$cf::PLAYER{$login}	1249	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1250	or cf::sync_job { !aio_stat path $login }
1110	}	1251	}
1111		1252
1112	sub find($) {	1253	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1254	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1255	my $login = $_[0];
1115		1256
1116	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
1117		1258
1118	$cf::PLAYER{$_[0]} || do {	1259	$cf::PLAYER{$_[0]} || do {
		1260	# rename old playerfiles to new ones
		1261	#TODO: remove when no longer required
		1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1265	aio_unlink +(playerdir $login) . "/$login.pl";
		1266
1119	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
1120	or return;	1268	or return;
1121	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
1122	}	1270	}
1123	}	1271	}
…		…
1160		1308
1161	=cut	1309	=cut
1162		1310
1163	sub quit_character {	1311	sub quit_character {
1164	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1165		1315
1166	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1317	$pl->password ("*"); # this should lock out the player until we nuked the dir
1168		1318
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1328	$pl->destroy;
		1329
		1330	my $prefix = qr<^~\Q$name\E/>;
		1331
		1332	# nuke player maps
		1333	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1334
1179	IO::AIO::aio_rmtree $temp;	1335	IO::AIO::aio_rmtree $temp;
		1336	}
		1337
		1338	=item $pl->kick
		1339
		1340	Kicks a player out of the game. This destroys the connection.
		1341
		1342	=cut
		1343
		1344	sub kick {
		1345	my ($pl, $kicker) = @_;
		1346
		1347	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1348	$pl->killer ("kicked");
		1349	$pl->ns->destroy;
1180	}	1350	}
1181		1351
1182	=item cf::player::list_logins	1352	=item cf::player::list_logins
1183		1353
1184	Returns am arrayref of all valid playernames in the system, can take a	1354	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1186		1356
1187	=cut	1357	=cut
1188		1358
1189	sub list_logins {	1359	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1361	or return [];
1192		1362
1193	my @logins;	1363	my @logins;
1194		1364
1195	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1204	\@logins	1374	\@logins
1205	}	1375	}
1206		1376
1207	=item $player->maps	1377	=item $player->maps
1208		1378
1209	Returns an arrayref of cf::path's of all maps that are private for this	1379	Returns an arrayref of map paths that are private for this
1210	player. May block.	1380	player. May block.
1211		1381
1212	=cut	1382	=cut
1213		1383
1214	sub maps($) {	1384	sub maps($) {
1215	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1388
1217	my $files = aio_readdir playerdir $pl	1389	my $files = aio_readdir playerdir $pl
1218	or return;	1390	or return;
1219		1391
1220	my @paths;	1392	my @paths;
…		…
1222	for (@$files) {	1394	for (@$files) {
1223	utf8::decode $_;	1395	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1396	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1397	next unless /^$PATH_SEP/o;
1226		1398
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1399	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1400	}
1229		1401
1230	\@paths	1402	\@paths
1231	}	1403	}
1232		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1234		1456
1235	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1236		1458
1237	=cut	1459	=cut
1238		1460
1239	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1241		1463
1242	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1243		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1466	}
1246		1467
1247	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		1475	my ($self, $type, %msg) = @_;
		1476
		1477	$self->ns->ext_event ($type, %msg);
		1478	}
		1479
		1480	=head3 cf::region
		1481
		1482	=over 4
		1483
		1484	=cut
		1485
		1486	package cf::region;
		1487
		1488	=item cf::region::find_by_path $path
		1489
		1490	Tries to decuce the likely region for a map knowing only its path.
		1491
		1492	=cut
		1493
		1494	sub find_by_path($) {
		1495	my ($path) = @_;
		1496
		1497	my ($match, $specificity);
		1498
		1499	for my $region (list) {
		1500	if ($region->{match} && $path =~ $region->{match}) {
		1501	($match, $specificity) = ($region, $region->specificity)
		1502	if $region->specificity > $specificity;
		1503	}
		1504	}
		1505
		1506	$match
		1507	}
1248		1508
1249	=back	1509	=back
1250
1251		1510
1252	=head3 cf::map	1511	=head3 cf::map
1253		1512
1254	=over 4	1513	=over 4
1255		1514
…		…
1258	package cf::map;	1517	package cf::map;
1259		1518
1260	use Fcntl;	1519	use Fcntl;
1261	use Coro::AIO;	1520	use Coro::AIO;
1262		1521
		1522	use overload
		1523	'""' => \&as_string,
		1524	fallback => 1;
		1525
1263	our $MAX_RESET = 3600;	1526	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1527	our $DEFAULT_RESET = 3000;
1265		1528
1266	sub generate_random_map {	1529	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1530	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1531	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1532	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1536	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1537	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1543	(cf::region::find $rmp->{region}), $rmp->{custom}
		1544	)
		1545	}
		1546
		1547	=item cf::map->register ($regex, $prio)
		1548
		1549	Register a handler for the map path matching the given regex at the
		1550	givne priority (higher is better, built-in handlers have priority 0, the
		1551	default).
		1552
		1553	=cut
		1554
		1555	sub register {
		1556	my (undef, $regex, $prio) = @_;
		1557	my $pkg = caller;
		1558
		1559	no strict;
		1560	push @{"$pkg\::ISA"}, __PACKAGE__;
		1561
		1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1563	}
		1564
		1565	# also paths starting with '/'
		1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1567
		1568	sub thawer_merge {
		1569	my ($self, $merge) = @_;
		1570
		1571	# we have to keep some variables in memory intact
		1572	local $self->{path};
		1573	local $self->{load_path};
		1574
		1575	$self->SUPER::thawer_merge ($merge);
		1576	}
		1577
		1578	sub normalise {
		1579	my ($path, $base) = @_;
		1580
		1581	$path = "$path"; # make sure its a string
		1582
		1583	$path =~ s/\.map$//;
		1584
		1585	# map plan:
		1586	#
		1587	# /! non-realised random map exit (special hack!)
		1588	# {... are special paths that are not being touched
		1589	# ?xxx/... are special absolute paths
		1590	# ?random/... random maps
		1591	# /... normal maps
		1592	# ~user/... per-player map of a specific user
		1593
		1594	$path =~ s/$PATH_SEP/\//go;
		1595
		1596	# treat it as relative path if it starts with
		1597	# something that looks reasonable
		1598	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1599	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1600
		1601	$base =~ s{[^/]+/?$}{};
		1602	$path = "$base/$path";
		1603	}
		1604
		1605	for ($path) {
		1606	redo if s{//}{/};
		1607	redo if s{/\.?/}{/};
		1608	redo if s{/[^/]+/\.\./}{/};
		1609	}
		1610
		1611	$path
		1612	}
		1613
		1614	sub new_from_path {
		1615	my (undef, $path, $base) = @_;
		1616
		1617	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1618
		1619	$path = normalise $path, $base;
		1620
		1621	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1622	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1623	my $self = bless cf::map::new, $pkg;
		1624	$self->{path} = $path; $self->path ($path);
		1625	$self->init; # pass $1 etc.
		1626	return $self;
		1627	}
		1628	}
		1629
		1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1631	()
		1632	}
		1633
		1634	sub init {
		1635	my ($self) = @_;
		1636
		1637	$self
		1638	}
		1639
		1640	sub as_string {
		1641	my ($self) = @_;
		1642
		1643	"$self->{path}"
		1644	}
		1645
		1646	# the displayed name, this is a one way mapping
		1647	sub visible_name {
		1648	&as_string
		1649	}
		1650
		1651	# the original (read-only) location
		1652	sub load_path {
		1653	my ($self) = @_;
		1654
		1655	"$MAPDIR/$self->{path}.map"
		1656	}
		1657
		1658	# the temporary/swap location
		1659	sub save_path {
		1660	my ($self) = @_;
		1661
		1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1663	"$TMPDIR/$path.map"
		1664	}
		1665
		1666	# the unique path, undef == no special unique path
		1667	sub uniq_path {
		1668	my ($self) = @_;
		1669
		1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1671	"$UNIQUEDIR/$path"
1283	}	1672	}
1284		1673
1285	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1286	# all maps in C++...	1675	# all maps in C++...
1287	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1289		1678
1290	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1292	}	1681	}
1293		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
		1691	sub unlink_save {
		1692	my ($self) = @_;
		1693
		1694	utf8::encode (my $save = $self->save_path);
		1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1696	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1697	}
		1698
1294	sub load_map_header($) {	1699	sub load_header_from($) {
1295	my ($path) = @_;	1700	my ($self, $path) = @_;
1296		1701
1297	utf8::encode $path;	1702	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1703	#aio_open $path, O_RDONLY, 0
		1704	# or return;
		1705
		1706	$self->_load_header ($path)
1299	or return;	1707	or return;
1300		1708
1301	my $map = cf::map::new	1709	$self->{load_path} = $path;
		1710
		1711	1
		1712	}
		1713
		1714	sub load_header_orig {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->load_path)
		1718	}
		1719
		1720	sub load_header_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->load_header_from ($self->save_path)
		1724	}
		1725
		1726	sub prepare_temp {
		1727	my ($self) = @_;
		1728
		1729	$self->last_access ((delete $self->{last_access})
		1730	|| $cf::RUNTIME); #d#
		1731	# safety
		1732	$self->{instantiate_time} = $cf::RUNTIME
		1733	if $self->{instantiate_time} > $cf::RUNTIME;
		1734	}
		1735
		1736	sub prepare_orig {
		1737	my ($self) = @_;
		1738
		1739	$self->{load_original} = 1;
		1740	$self->{instantiate_time} = $cf::RUNTIME;
		1741	$self->last_access ($cf::RUNTIME);
		1742	$self->instantiate;
		1743	}
		1744
		1745	sub load_header {
		1746	my ($self) = @_;
		1747
		1748	if ($self->load_header_temp) {
		1749	$self->prepare_temp;
		1750	} else {
		1751	$self->load_header_orig
1302	or return;	1752	or return;
		1753	$self->prepare_orig;
		1754	}
1303		1755
1304	# for better error messages only, will be overwritten later	1756	$self->{deny_reset} = 1
1305	$map->path ($path);	1757	if $self->no_reset;
1306		1758
1307	$map->load_header ($path)	1759	$self->default_region (cf::region::find_by_path $self->{path})
1308	or return;	1760	unless $self->default_region;
1309		1761
1310	$map->{load_path} = $path;	1762	1
1311
1312	$map
1313	}	1763	}
1314		1764
1315	sub find;	1765	sub find;
1316	sub find {	1766	sub find {
1317	my ($path, $origin) = @_;	1767	my ($path, $origin) = @_;
1318		1768
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1769	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1770
1324	cf::lock_wait "map_find:$key";	1771	cf::lock_wait "map_find:$path";
1325		1772
1326	$cf::MAP{$key} || do {	1773	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1774	my $guard = cf::lock_acquire "map_find:$path";
1328		1775	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1776	or return;
1343		1777
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1356		1779
1357	Coro::cede;	1780	$map->load_header
		1781	or return;
1358		1782
1359	if ($map->should_reset) {	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1784	# doing this can freeze the server in a sync job, obviously
		1785	#$cf::WAIT_FOR_TICK->wait;
1360	$map->reset;	1786	$map->reset;
1361	undef $guard;	1787	undef $guard;
1362	$map = find $path	1788	return find $path;
1363	or return;
1364	}	1789	}
1365		1790
1366	$cf::MAP{$key} = $map	1791	$cf::MAP{$path} = $map
1367	}	1792	}
1368	}	1793	}
		1794
		1795	sub pre_load { }
		1796	sub post_load { }
1369		1797
1370	sub load {	1798	sub load {
1371	my ($self) = @_;	1799	my ($self) = @_;
1372		1800
		1801	local $self->{deny_reset} = 1; # loading can take a long time
		1802
1373	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1806	my $guard = cf::lock_acquire "map_load:$path";
1375		1807
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1809
1378	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1379		1811
1380	$self->alloc;	1812	$self->alloc;
		1813
		1814	$self->pre_load;
		1815	Coro::cede;
		1816
1381	$self->load_objects ($self->{load_path}, 1)	1817	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1818	or return;
1383		1819
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1821	if delete $self->{load_original};
1386		1822
1387	if (my $uniq = $path->uniq_path) {	1823	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1824	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1825	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1826	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1827	$self->_load_objects ($uniq, 0);
1392	}	1828	}
1393	}	1829	}
1394		1830
1395	Coro::cede;	1831	Coro::cede;
1396
1397	# now do the right thing for maps	1832	# now do the right thing for maps
1398	$self->link_multipart_objects;	1833	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1835	unless $self->difficulty;
		1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1410	$self->activate;	1845	$self->activate;
1411	}	1846	}
1412		1847
1413	Coro::cede;
1414
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1848	$self->in_memory (cf::MAP_IN_MEMORY);
		1849	}
		1850
		1851	$self->post_load;
		1852	}
		1853
		1854	sub customise_for {
		1855	my ($self, $ob) = @_;
		1856
		1857	return find "~" . $ob->name . "/" . $self->{path}
		1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
		1862
		1863	$self
1416	}	1864	}
1417		1865
1418	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1867	sub load_diag {
1420	my ($map) = @_;	1868	my ($map) = @_;
…		…
1450		1898
1451	cf::sync_job { $map->load };	1899	cf::sync_job { $map->load };
1452	}	1900	}
1453		1901
1454	our %MAP_PREFETCH;	1902	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1903	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1904
1470	sub find_async {	1905	sub find_async {
1471	my ($path, $origin) = @_;	1906	my ($path, $origin) = @_;
1472		1907
1473	$path = new cf::path $path, $origin && $origin->path;	1908	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1909
1476	if (my $map = $cf::MAP{$key}) {	1910	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1912	}
1479		1913
1480	$MAP_PREFETCH{$key} = $path;	1914	undef $MAP_PREFETCH{$path};
		1915	$MAP_PREFETCHER ||= cf::async {
		1916	while (%MAP_PREFETCH) {
		1917	for my $path (keys %MAP_PREFETCH) {
		1918	if (my $map = find $path) {
		1919	$map->load;
		1920	}
		1921
		1922	delete $MAP_PREFETCH{$path};
		1923	}
		1924	}
		1925	undef $MAP_PREFETCHER;
		1926	};
1481	$MAP_PREFETCHER->ready;	1927	$MAP_PREFETCHER->prio (6);
1482		1928
1483	()	1929	()
1484	}	1930	}
1485		1931
1486	sub save {	1932	sub save {
…		…
1490		1936
1491	$self->{last_save} = $cf::RUNTIME;	1937	$self->{last_save} = $cf::RUNTIME;
1492		1938
1493	return unless $self->dirty;	1939	return unless $self->dirty;
1494		1940
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1941	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1942	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1943
1498	$self->{load_path} = $save;	1944	$self->{load_path} = $save;
1499		1945
1500	return if $self->{deny_save};	1946	return if $self->{deny_save};
1501		1947
…		…
1504	cf::async {	1950	cf::async {
1505	$_->contr->save for $self->players;	1951	$_->contr->save for $self->players;
1506	};	1952	};
1507		1953
1508	if ($uniq) {	1954	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1957	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1959	}
1514	}	1960	}
1515		1961
1516	sub swap_out {	1962	sub swap_out {
1517	my ($self) = @_;	1963	my ($self) = @_;
…		…
1531		1977
1532	sub reset_at {	1978	sub reset_at {
1533	my ($self) = @_;	1979	my ($self) = @_;
1534		1980
1535	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1538		1983
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1986
…		…
1546	my ($self) = @_;	1991	my ($self) = @_;
1547		1992
1548	$self->reset_at <= $cf::RUNTIME	1993	$self->reset_at <= $cf::RUNTIME
1549	}	1994	}
1550		1995
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1996	sub reset {
1573	my ($self) = @_;	1997	my ($self) = @_;
1574		1998
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2000
1577	return if $self->players;	2001	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2002
1580	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
		2004
		2005	$self->in_memory (cf::MAP_SWAPPED);
		2006
		2007	# need to save uniques path
		2008	unless ($self->{deny_save}) {
		2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2010
		2011	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2012	if $uniq;
		2013	}
1581		2014
1582	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
		2016
		2017	$self->clear;
1583		2018
1584	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1585		2020
1586	$self->unlink_save;	2021	$self->unlink_save;
1587	$self->destroy;	2022	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	2025	my $nuke_counter = "aaaa";
1591		2026
1592	sub nuke {	2027	sub nuke {
1593	my ($self) = @_;	2028	my ($self) = @_;
1594		2029
		2030	delete $cf::MAP{$self->path};
		2031
		2032	$self->unlink_save;
		2033
		2034	bless $self, "cf::map";
		2035	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2036	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2037	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2039
		2040	$cf::MAP{$self->path} = $self;
		2041
1598	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1599	}	2043	}
1600		2044
1601	sub customise_for {	2045	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2046
1604	if ($map->per_player) {	2047	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
1606	}	2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
1607		2062
1608	$map	2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
1609	}	2079	}
1610		2080
1611	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1612		2082
1613	Returns an arrayref of cf::path's of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2084	instantiated unique items. May block.
1615		2085
1616	=cut	2086	=cut
1617		2087
1618	sub unique_maps() {	2088	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1620	or return;	2090	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2091	utf8::decode $_;
1626	next if /\.pst$/;	2092	/\.map$/
1627	next unless /^$PATH_SEP/o;	2093	? normalise $_
1628		2094	: ()
1629	push @paths, new cf::path $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2096	]
1631
1632	\@paths
1633	}	2097	}
1634		2098
1635	package cf;	2099	package cf;
1636		2100
1637	=back	2101	=back
…		…
1683		2147
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2149
1686	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1688	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1691	}	2169	}
1692	}	2170	}
1693		2171
1694	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1695		2173
…		…
1709		2187
1710	=item $player_object->enter_link	2188	=item $player_object->enter_link
1711		2189
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2190	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2191
1714	The player should be reaosnably safe there for short amounts of time. You	2192	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	2193	I<MUST> call C<leave_link> as soon as possible, though.
1716		2194
		2195	Will never block.
		2196
1717	=item $player_object->leave_link ($map, $x, $y)	2197	=item $player_object->leave_link ($map, $x, $y)
1718		2198
1719	Moves the player out of the specila link map onto the given map. If the	2199	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2200	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2201	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2202	fails, to the emergency map position.
1723		2203
1724	Might block.	2204	Might block.
1725		2205
1726	=cut	2206	=cut
		2207
		2208	sub link_map {
		2209	unless ($LINK_MAP) {
		2210	$LINK_MAP = cf::map::find "{link}"
		2211	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2212	$LINK_MAP->load;
		2213	}
		2214
		2215	$LINK_MAP
		2216	}
1727		2217
1728	sub cf::object::player::enter_link {	2218	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2219	my ($self) = @_;
1730		2220
1731	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1732		2222
1733	return if $self->map == $LINK_MAP;	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2224
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1737		2227
1738	$self->enter_map ($LINK_MAP, 20, 20);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2229	}
1740		2230
1741	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1743		2235
1744	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1745		2237
1746	unless ($map) {	2238	unless ($map) {
1747	# restore original map position	2239	# restore original map position
…		…
1765	$map->load;	2257	$map->load;
1766	$map->load_diag;	2258	$map->load_diag;
1767		2259
1768	return unless $self->contr->active;	2260	return unless $self->contr->active;
1769	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1771	}	2265	}
1772		2266
1773	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2268
1777	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1781	};	2273	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2274
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1808		2278
1809	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2281
1812	$path = new cf::path $path;	2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2284
1814	$self->enter_link;	2285	$self->enter_link;
1815		2286
1816	(async {	2287	(async {
		2288	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
1819		2293	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2294	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
1824		2297
		2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
		2304	}
		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1826	})->prio (1);	2312	})->prio (1);
1827	}	2313	}
1828		2314
1829	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1830		2316
…		…
1832		2318
1833	sub parse_random_map_params {	2319	sub parse_random_map_params {
1834	my ($spec) = @_;	2320	my ($spec) = @_;
1835		2321
1836	my $rmp = { # defaults	2322	my $rmp = { # defaults
1837	xsize => 10,	2323	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2324	ysize => (cf::rndm 15, 40),
		2325	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2326	#layout => string,
1839	};	2327	};
1840		2328
1841	for (split /\n/, $spec) {	2329	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2330	my ($k, $v) = split /\s+/, $_, 2;
1843		2331
…		…
1847	$rmp	2335	$rmp
1848	}	2336	}
1849		2337
1850	sub prepare_random_map {	2338	sub prepare_random_map {
1851	my ($exit) = @_;	2339	my ($exit) = @_;
		2340
		2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2342
1853	# all this does is basically replace the /! path by	2343	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2344	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2345	# that depends on the exit object
1856		2346
1857	my $rmp = parse_random_map_params $exit->msg;	2347	my $rmp = parse_random_map_params $exit->msg;
1858		2348
1859	if ($exit->map) {	2349	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2350	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2351	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2352	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2353	$rmp->{origin_y} = $exit->y;
1864	}	2354	}
1865		2355
1866	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1867		2357
1868	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
		2360	my $meta = "$RANDOMDIR/$md5.meta";
1870		2361
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
		2364	undef $fh;
		2365	aio_rename "$meta~", $meta;
1873		2366
1874	$exit->slaying ("?random/$md5");	2367	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2368	$exit->msg (undef);
1876	}	2369	}
1877	}	2370	}
…		…
1879	sub cf::object::player::enter_exit {	2372	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2373	my ($self, $exit) = @_;
1881		2374
1882	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1883		2376
		2377	if ($exit->slaying eq "/!") {
		2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2379	# the problem is that $exit might not survive long enough
		2380	# so it needs to be done right now, right here
		2381	cf::sync_job { prepare_random_map $exit };
		2382	}
		2383
		2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2385	my $hp = $exit->stats->hp;
		2386	my $sp = $exit->stats->sp;
		2387
1884	$self->enter_link;	2388	$self->enter_link;
		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
1885		2393
1886	(async {	2394	(async {
1887	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2396	unless (eval {
1889	prepare_random_map $exit	2397	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2398
1895	1;	2399	1;
1896	}) {	2400	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2402	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2405
1902	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2407	$self->leave_link;
1904	}	2408	}
1905	})->prio (1);	2409	})->prio (1);
…		…
1918		2422
1919	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1921		2425
1922	utf8::encode $text;	2426	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2428	}
1925		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
		2470	=item $client->ext_event ($type, %msg)
		2471
		2472	Sends an ext event to the client.
		2473
		2474	=cut
		2475
		2476	sub cf::client::ext_event($$%) {
		2477	my ($self, $type, %msg) = @_;
		2478
		2479	return unless $self->extcmd;
		2480
		2481	$msg{msgtype} = "event_$type";
		2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2483	}
1926		2484
1927	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1928		2486
1929	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2490
1933	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2492	become reliable at some point in the future.
1935		2493
1936	=cut	2494	=cut
1937		2495
1938	sub cf::client::query {	2496	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2505	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2507
1950	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
1952	}	2512	}
1953		2513
1954	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
1955	on_reply => sub {	2520	on_reply => sub {
1956	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
1957		2522
1958	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
1959	# get handled first	2524	# get handled first
1960	my $queue = delete $ns->{query_queue}	2525	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2526	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2527
1963	(shift @$queue)->[1]->($msg);	2528	(shift @$queue)->[1]->($msg);
		2529	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2530
1965	push @{ $ns->{query_queue} }, @$queue;	2531	push @{ $ns->{query_queue} }, @$queue;
1966		2532
1967	if (@{ $ns->{query_queue} } == @$queue) {	2533	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2534	if (@$queue) {
…		…
1970	} else {	2536	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2538	}
1973	}	2539	}
1974	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
1975	);	2559	);
1976		2560
1977	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
1978		2562
1979	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
2026		2610
2027	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
2028		2612
2029	=pod	2613	=pod
2030		2614
2031	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
2032		2616
2033	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
2034	cf::object::player player	2621	cf::object::player
2035	cf::player peaceful	2622	player
2036	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
2037		2629
2038	=cut	2630	=cut
2039		2631
2040	for (	2632	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
2042	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2045	) {	2638	) {
2046	no strict 'refs';	2639	no strict 'refs';
…		…
2117	=back	2710	=back
2118		2711
2119	=cut	2712	=cut
2120		2713
2121	#############################################################################	2714	#############################################################################
		2715	# the server's init and main functions
2122		2716
2123	=head2 EXTENSION DATABASE SUPPORT	2717	sub load_facedata($) {
		2718	my ($path) = @_;
2124		2719
2125	Crossfire maintains a very simple database for extension use. It can	2720	warn "loading facedata from $path\n";
2126	currently store anything that can be serialised using Storable, which
2127	excludes objects.
2128		2721
2129	The parameter C<$family> should best start with the name of the extension	2722	my $facedata;
2130	using it, it should be unique.	2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
2131		2725
2132	=over 4	2726	$facedata = Coro::Storable::thaw $facedata;
2133		2727
2134	=item $hashref = cf::db_get $family	2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
2135		2730
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key
2141
2142	Returns a single value from the database
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}	2731	{
		2732	my $faces = $facedata->{faceinfo};
2172		2733
2173	my $pid;	2734	while (my ($face, $info) = each %$faces) {
		2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
		2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2174		2740
2175	sub db_save() {	2741	cf::cede_to_tick;
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});
2195
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {
2202	@_ >= 2
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206
2207	sub db_put($$;$) {
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2742	}
2221	);
2222	}
2223		2743
2224	#############################################################################	2744	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	2745	next unless $info->{smooth};
		2746	my $idx = cf::face::find $face
		2747	or next;
		2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
		2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2751	} else {
		2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2753	}
		2754
		2755	cf::cede_to_tick;
		2756	}
		2757	}
		2758
		2759	{
		2760	my $anims = $facedata->{animinfo};
		2761
		2762	while (my ($anim, $info) = each %$anims) {
		2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
		2798	}
		2799
		2800	1
		2801	}
		2802
		2803	sub reload_regions {
		2804	load_resource_file "$MAPDIR/regions"
		2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
		2811	}
		2812
		2813	sub reload_facedata {
		2814	load_facedata "$DATADIR/facedata"
		2815	or die "unable to load facedata\n";
		2816	}
		2817
		2818	sub reload_archetypes {
		2819	load_resource_file "$DATADIR/archetypes"
		2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
		2826	}
		2827
		2828	sub reload_treasures {
		2829	load_resource_file "$DATADIR/treasures"
		2830	or die "unable to load treasurelists\n";
		2831	}
		2832
		2833	sub reload_resources {
		2834	warn "reloading resource files...\n";
		2835
		2836	reload_regions;
		2837	reload_facedata;
		2838	#reload_archetypes;#d#
		2839	reload_archetypes;
		2840	reload_treasures;
		2841
		2842	warn "finished reloading resource files\n";
		2843	}
		2844
		2845	sub init {
		2846	reload_resources;
		2847	}
2226		2848
2227	sub cfg_load {	2849	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2851	or return;
2230		2852
2231	local $/;	2853	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2233		2855
…		…
2247		2869
2248	sub main {	2870	sub main {
2249	# we must not ever block the main coroutine	2871	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2872	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2874	(async {
2252	async { Event::one_event };	2875	Event::one_event;
		2876	})->prio (Coro::PRIO_MAX);
2253	};	2877	};
2254		2878
2255	cfg_load;	2879	cfg_load;
2256	db_load;	2880	db_init;
2257	load_extensions;	2881	load_extensions;
		2882
		2883	$TICK_WATCHER->start;
2258	Event::loop;	2884	Event::loop;
2259	}	2885	}
2260		2886
2261	#############################################################################	2887	#############################################################################
2262	# initialisation and cleanup	2888	# initialisation and cleanup
2263		2889
2264	# install some emergency cleanup handlers	2890	# install some emergency cleanup handlers
2265	BEGIN {	2891	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2892	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2893	Event->signal (
		2894	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2895	data => WF_AUTOCANCEL,
2269	signal => $signal,	2896	signal => $signal,
		2897	prio => 0,
2270	cb => sub {	2898	cb => sub {
2271	cf::cleanup "SIG$signal";	2899	cf::cleanup "SIG$signal";
2272	},	2900	},
2273	);	2901	);
2274	}	2902	}
2275	}	2903	}
2276		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
		2941	}
		2942
2277	sub emergency_save() {	2943	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2279		2945
2280	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2281		2947
2282	cf::sync_job {	2948	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2949	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2950	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2951	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2952	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2953	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2954	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2955	$pl->valid or next;
2290	$pl->save;	2956	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2962	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2963	$map->valid or next;
2298	$map->save;	2964	$map->save;
2299	}	2965	}
2300	warn "end emergency map save\n";	2966	warn "end emergency map save\n";
		2967
		2968	warn "begin emergency database checkpoint\n";
		2969	BDB::db_env_txn_checkpoint $DB_ENV;
		2970	warn "end emergency database checkpoint\n";
2301	};	2971	};
2302		2972
2303	warn "leave emergency perl save\n";	2973	warn "leave emergency perl save\n";
2304	}	2974	}
2305		2975
		2976	sub post_cleanup {
		2977	my ($make_core) = @_;
		2978
		2979	warn Carp::longmess "post_cleanup backtrace"
		2980	if $make_core;
		2981	}
		2982
2306	sub reload() {	2983	sub do_reload_perl() {
2307	# can/must only be called in main	2984	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2986	warn "can only reload from main coroutine";
2310	return;	2987	return;
2311	}	2988	}
2312		2989
2313	warn "reloading...";	2990	warn "reloading...";
2314		2991
2315	warn "freezing server";	2992	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2993
		2994	cf::sync_job {
		2995	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2996	cf::emergency_save;
		2997	cf::write_runtime; # external watchdog should not bark
2318		2998
2319	warn "sync database to disk";	2999	warn "syncing database to disk";
2320	cf::db_sync;	3000	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3001
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3002	# if anything goes wrong in here, we should simply crash as we already saved
2325		3003
2326	warn "cancel all watchers";	3004	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	3005	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3006	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	3007	}
2330		3008
		3009	warn "flushing outstanding aio requests";
		3010	for (;;) {
		3011	BDB::flush;
		3012	IO::AIO::flush;
		3013	Coro::cede;
		3014	last unless IO::AIO::nreqs || BDB::nreqs;
		3015	warn "iterate...";
		3016	}
		3017
		3018	++$RELOAD;
		3019
2331	warn "cancel all extension coros";	3020	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3022	%EXT_CORO = ();
2334		3023
2335	warn "remove commands";	3024	warn "removing commands";
2336	%COMMAND = ();	3025	%COMMAND = ();
2337		3026
2338	warn "remove ext commands";	3027	warn "removing ext/exti commands";
2339	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2340		3030
2341	warn "unload/nuke all extensions";	3031	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3033	warn "... unloading $pkg";
2344		3034
2345	if (my $cb = $pkg->can ("unload")) {	3035	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3036	eval {
…		…
2351		3041
2352	warn "... nuking $pkg";	3042	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	3043	Symbol::delete_package $pkg;
2354	}	3044	}
2355		3045
2356	warn "unload all perl modules loaded from $LIBDIR";	3046	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3047	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3049
2360	warn "removing <$k>";	3050	warn "... unloading $k";
2361	delete $INC{$k};	3051	delete $INC{$k};
2362		3052
2363	$k =~ s/\.pm$//;	3053	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3054	$k =~ s/\//::/g;
2365		3055
…		…
2368	}	3058	}
2369		3059
2370	Symbol::delete_package $k;	3060	Symbol::delete_package $k;
2371	}	3061	}
2372		3062
2373	warn "get rid of safe::, as good as possible";	3063	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3066
2377	warn "unload cf.pm \"a bit\"";	3067	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2379		3070
2380	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3072	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2383		3074
		3075	warn "unload completed, starting to reload now";
		3076
2384	warn "reloading cf.pm";	3077	warn "reloading cf.pm";
2385	require cf;	3078	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3080
2388	warn "load config and database again";	3081	warn "loading config and database again";
2389	cf::cfg_load;	3082	cf::cfg_load;
2390	cf::db_load;
2391		3083
2392	warn "load extensions";	3084	warn "loading extensions";
2393	cf::load_extensions;	3085	cf::load_extensions;
2394		3086
2395	warn "reattach attachments to objects/players";	3087	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3088	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3089	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
2399	};	3091	warn "reattaching attachments to players";
		3092	reattach $_ for values %PLAYER;
2400		3093
2401	if ($@) {	3094	warn "leaving sync_job";
		3095
		3096	1
		3097	} or do {
2402	warn $@;	3098	warn $@;
2403	warn "error while reloading, exiting.";	3099	warn "error while reloading, exiting.";
2404	exit 1;	3100	exit 1;
2405	}	3101	};
2406		3102
2407	warn "reloaded";	3103	warn "reloaded";
2408	};	3104	};
2409		3105
2410	#############################################################################	3106	our $RELOAD_WATCHER; # used only during reload
2411		3107
2412	unless ($LINK_MAP) {	3108	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	3109	# doing reload synchronously and two reloads happen back-to-back,
		3110	# coro crashes during coro_state_free->destroy here.
2414		3111
2415	$LINK_MAP->width (41);	3112	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3113	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3114	after => 0,
		3115	data => WF_AUTOCANCEL,
2425	cb => sub {	3116	cb => sub {
2426	$_[0]->w->cancel;	3117	do_reload_perl;
2427		3118	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3119	},
2446		3120	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3121	}
2452		3122
2453	register_command "reload" => sub {	3123	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2455		3125
2456	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3127	$who->message ("reloading server.");
		3128	async { reload_perl };
2460	}	3129	}
2461	};	3130	};
2462		3131
2463	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2464		3133
		3134	my $bug_warning = 0;
		3135
		3136	our @WAIT_FOR_TICK;
		3137	our @WAIT_FOR_TICK_BEGIN;
		3138
		3139	sub wait_for_tick {
		3140	return unless $TICK_WATCHER->is_active;
		3141	return if $Coro::current == $Coro::main;
		3142
		3143	my $signal = new Coro::Signal;
		3144	push @WAIT_FOR_TICK, $signal;
		3145	$signal->wait;
		3146	}
		3147
		3148	sub wait_for_tick_begin {
		3149	return unless $TICK_WATCHER->is_active;
		3150	return if $Coro::current == $Coro::main;
		3151
		3152	my $signal = new Coro::Signal;
		3153	push @WAIT_FOR_TICK_BEGIN, $signal;
		3154	$signal->wait;
		3155	}
		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2465	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3160	reentrant => 0,
		3161	parked => 1,
2467	prio => 0,	3162	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3164	data => WF_AUTOCANCEL,
2470	cb => sub {	3165	cb => sub {
		3166	if ($Coro::current != $Coro::main) {
		3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3168	unless ++$bug_warning > 10;
		3169	return;
		3170	}
		3171
		3172	$NOW = $tick_start = Event::time;
		3173
2471	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
		3198
2472	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2474		3201
2475	$WAIT_FOR_TICK->broadcast;	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3204	Coro::async_pool {
		3205	write_runtime
		3206	or warn "ERROR: unable to write runtime file: $!";
		3207	};
		3208	}
		3209
		3210	# my $AFTER = Event::time;
		3211	# warn $AFTER - $NOW;#d#
		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
2477		3221
2478	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3224
2481	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
		3227
		3228	$LOAD = ($NOW - $tick_start) / $TICK;
		3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3230
		3231	_post_tick;
		3232
		3233
2483	},	3234	},
2484	);	3235	);
2485		3236
		3237	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	3238	BDB::max_poll_time $TICK * 0.1;
2487		3239	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3240	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3241	fd => BDB::poll_fileno,
2490	poll => 'r',	3242	poll => 'r',
2491	prio => 5,	3243	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3244	data => WF_AUTOCANCEL,
2498	after => 0,	3245	cb => \&BDB::poll_cb,
2499	interval => 10,	3246	);
2500	cb => sub {	3247	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3248
2502	write_runtime	3249	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	3250	my $status;
		3251	my $current = $Coro::current;
		3252	(
		3253	sub {
		3254	$status = $!;
		3255	$current->ready; undef $current;
		3256	},
		3257	sub {
		3258	Coro::schedule while defined $current;
		3259	$! = $status;
		3260	},
		3261	)
		3262	};
		3263
		3264	unless ($DB_ENV) {
		3265	$DB_ENV = BDB::db_env_create;
		3266
		3267	cf::sync_job {
		3268	eval {
		3269	BDB::db_env_open
		3270	$DB_ENV,
		3271	$BDBDIR,
		3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3274	0666;
		3275
		3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3277
		3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3279	$DB_ENV->set_lk_detect;
		3280	};
		3281
		3282	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	3283	};
2505	},	3284	}
2506	);	3285	}
		3286
		3287	{
		3288	IO::AIO::min_parallel 8;
		3289
		3290	undef $Coro::AIO::WATCHER;
		3291	IO::AIO::max_poll_time $TICK * 0.1;
		3292	$AIO_POLL_WATCHER = Event->io (
		3293	reentrant => 0,
		3294	data => WF_AUTOCANCEL,
		3295	fd => IO::AIO::poll_fileno,
		3296	poll => 'r',
		3297	prio => 6,
		3298	cb => \&IO::AIO::poll_cb,
		3299	);
		3300	}
		3301
		3302	my $_log_backtrace;
		3303
		3304	sub _log_backtrace {
		3305	my ($msg, @addr) = @_;
		3306
		3307	$msg =~ s/\n//;
		3308
		3309	# limit the # of concurrent backtraces
		3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
		3337	}
		3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
2507		3342
2508	END { cf::emergency_save }	3343	END { cf::emergency_save }
2509		3344
2510	1	3345	1
2511		3346

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