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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.302 by root, Tue Jul 10 16:23:59 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.
124		171
125	=back	172	=back
126		173
127	=cut	174	=cut
128		175
129	BEGIN {	176	BEGIN {
130	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	178	my $msg = join "", @_;
132	utf8::encode $msg;
133		179
134	$msg .= "\n"	180	$msg .= "\n"
135	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
136		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
137	LOG llevError, $msg;	186	LOG llevError, $msg;
138	};	187	};
139	}	188	}
140		189
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		197
148	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	199	# within the Safe compartment.
150	for my $pkg (qw(	200	for my $pkg (qw(
151	cf::global cf::attachable	201	cf::global cf::attachable
…		…
159	}	209	}
160		210
161	$Event::DIED = sub {	211	$Event::DIED = sub {
162	warn "error in event callback: @_";	212	warn "error in event callback: @_";
163	};	213	};
		214
		215	#############################################################################
164		216
165	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
166		218
167	=over 4	219	=over 4
168		220
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	240	$d
189	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
190	}	242	}
191		243
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
195		245
196	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
197		247
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
206		249
207	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
208		251
209	=cut	252	=cut
210		253
211	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
213	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
215		258
216	=item cf::lock_wait $string	259	=item cf::lock_wait $string
217		260
218	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
219		262
…		…
225	returned.	268	returned.
226		269
227	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
229		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
230	=cut	277	=cut
231		278
232	our %LOCK;	279	our %LOCK;
233		280
234	sub lock_wait($) {	281	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
255	}	302	}
256	}	303	}
257		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
258	sub freeze_mainloop {	311	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
260		313
261	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
262	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
263	$guard	318	$guard
264	}	319	}
265		320
266	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
273		328
274	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
275		330
276	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
277		332
278	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
281		337
282	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
285	fast or be very important.	341	fast or be very important.
…		…
288		344
289	sub sync_job(&) {	345	sub sync_job(&) {
290	my ($job) = @_;	346	my ($job) = @_;
291		347
292	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
293	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
295		353
296	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
308		366
309	while ($busy) {	367	while ($busy) {
310	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
311	}	369	}
312		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
313	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
314	} else {	379	} else {
315	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
316		381
317	$job->()	382	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
337		402
338	$coro	403	$coro
339	}	404	}
340		405
341	sub write_runtime {	406	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		407
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
345	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
346		412
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		414
351	aio_fsync $fh	415	sub _store_scalar {
352	and return;	416	open my $fh, ">", \my $buf
353		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
354	close $fh	419	close $fh;
355	or return;
356		420
357	aio_rename "$runtime~", $runtime	421	$buf
358	and return;	422	}
359		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
360	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	593	}
362		594
363	=back	595	=back
364		596
365	=cut	597	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		598
543	#############################################################################	599	#############################################################################
544		600
545	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
546		602
…		…
548	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
549	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
550		606
551	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
552	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
553	crossfire+).	609	Crossfire TRT).
554		610
555	=over 4	611	=over 4
556		612
557	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
558		614
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	729	our @CB_MAP = ();
674		730
675	my %attachment;	731	my %attachment;
676		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
677	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
679		741
680	use sort 'stable';	742	use sort 'stable';
681		743
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
716		778
717	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		783
722	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	785	my $pkg = shift @arg;
724		786
725	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
755	}	817	}
756		818
757	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
758	} else {	820	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	822	}
761		823
762	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
763	}	825	}
764		826
…		…
766	if (ref $_[0]) {	828	if (ref $_[0]) {
767	_object_attach @_;	829	_object_attach @_;
768	} else {	830	} else {
769	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
770	}	832	}
		833	_recalc_want;
771	};	834	};
772		835
773	# all those should be optimised	836	# all those should be optimised
774	sub cf::attachable::detach {	837	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
779	reattach ($obj);	842	reattach ($obj);
780	} else {	843	} else {
781	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
782	}	845	}
		846	_recalc_want;
783	};	847	};
784		848
785	sub cf::attachable::attached {	849	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
787		851
…		…
852	# object support	916	# object support
853		917
854	sub reattach {	918	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		923
858	my $registry = $obj->registry;	924	my $registry = $obj->registry;
859		925
860	@$registry = ();	926	@$registry = ();
861		927
…		…
908	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
909		975
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	980	close $fh;
915		981
916	if (@$objs) {	982	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	988	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
924	}	990	}
925	} else {	991	} else {
926	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
958	or return;	1024	or return;
959	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
960	}	1026	}
961		1027
962	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
964	return ($data, $av);	1030	return ($data, $av);
965	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
966		1038
967	#############################################################################	1039	#############################################################################
968	# command handling &c	1040	# command handling &c
969		1041
970	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1056	}
985		1057
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1059
988	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
989		1065
990	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
991	called.	1067	called.
992		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
993	=cut	1080	=cut
994		1081
995	sub register_extcmd {	1082	sub register_extcmd {
996	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
997		1084
998	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
999	}	1092	}
1000		1093
1001	cf::player->attach (	1094	cf::player->attach (
1002	on_command => sub {	1095	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
1012	cf::override;	1105	cf::override;
1013	},	1106	},
1014	on_extcmd => sub {	1107	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
1016		1109
1017	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1111
1019	if (ref $msg) {	1112	if (ref $msg) {
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
1022	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1028		1121
1029	cf::override;	1122	cf::override;
1030	},	1123	},
1031	);	1124	);
1032		1125
1033	sub load_extension {
1034	my ($path) = @_;
1035
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1037	my $base = $1;
1038	my $pkg = $1;
1039	$pkg =~ s/[^[:word:]]/_/g;
1040	$pkg = "ext::$pkg";
1041
1042	warn "... loading '$path' into '$pkg'\n";
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}
1059
1060	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
1061	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1131	next unless -r $path;
1063	eval {	1132
1064	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
1065	1	1190	}
1066	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
1067	}	1196	};
1068	}	1197	}
1069		1198
1070	#############################################################################	1199	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1200
1073	*cf::mapsupport::on_clean = sub {	1201	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1202
1086	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
1087		1204
1088	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
1089		1206
…		…
1102	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
1103		1220
1104	=cut	1221	=cut
1105		1222
1106	sub playerdir($) {	1223	sub playerdir($) {
1107	cf::localdir	1224	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1226	}
1113		1227
1114	sub path($) {	1228	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1230
1117	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
1118	}	1232	}
1119		1233
1120	sub find_active($) {	1234	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
1125		1239
1126	sub exists($) {	1240	sub exists($) {
1127	my ($login) = @_;	1241	my ($login) = @_;
1128		1242
1129	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
1131	}	1245	}
1132		1246
1133	sub find($) {	1247	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1249	my $login = $_[0];
1136		1250
1137	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
1138		1252
1139	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
1140	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
1141	or return;	1262	or return;
1142	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
1143	}	1264	}
1144	}	1265	}
…		…
1181		1302
1182	=cut	1303	=cut
1183		1304
1184	sub quit_character {	1305	sub quit_character {
1185	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1186		1309
1187	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1312
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1200	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1201	}	1344	}
1202		1345
1203	=item cf::player::list_logins	1346	=item cf::player::list_logins
1204		1347
1205	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1207		1350
1208	=cut	1351	=cut
1209		1352
1210	sub list_logins {	1353	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1355	or return [];
1213		1356
1214	my @logins;	1357	my @logins;
1215		1358
1216	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1225	\@logins	1368	\@logins
1226	}	1369	}
1227		1370
1228	=item $player->maps	1371	=item $player->maps
1229		1372
1230	Returns an arrayref of cf::path's of all maps that are private for this	1373	Returns an arrayref of map paths that are private for this
1231	player. May block.	1374	player. May block.
1232		1375
1233	=cut	1376	=cut
1234		1377
1235	sub maps($) {	1378	sub maps($) {
1236	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1382
1238	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1239	or return;	1384	or return;
1240		1385
1241	my @paths;	1386	my @paths;
…		…
1243	for (@$files) {	1388	for (@$files) {
1244	utf8::decode $_;	1389	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1247		1392
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1393	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1394	}
1250		1395
1251	\@paths	1396	\@paths
1252	}	1397	}
1253		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1255		1450
1256	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1257		1452
1258	=cut	1453	=cut
1259		1454
1260	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1262		1457
1263	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1264		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1460	}
1267		1461
1268	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->match && $path =~ $region->match) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1269		1502
1270	=back	1503	=back
1271
1272		1504
1273	=head3 cf::map	1505	=head3 cf::map
1274		1506
1275	=over 4	1507	=over 4
1276		1508
…		…
1279	package cf::map;	1511	package cf::map;
1280		1512
1281	use Fcntl;	1513	use Fcntl;
1282	use Coro::AIO;	1514	use Coro::AIO;
1283		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1284	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1286		1522
1287	sub generate_random_map {	1523	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1526	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1538	)
1305	}	1539	}
1306		1540
		1541	=item cf::map->register ($regex, $prio)
		1542
		1543	Register a handler for the map path matching the given regex at the
		1544	givne priority (higher is better, built-in handlers have priority 0, the
		1545	default).
		1546
		1547	=cut
		1548
		1549	sub register {
		1550	my (undef, $regex, $prio) = @_;
		1551	my $pkg = caller;
		1552
		1553	no strict;
		1554	push @{"$pkg\::ISA"}, __PACKAGE__;
		1555
		1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1557	}
		1558
		1559	# also paths starting with '/'
		1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1561
		1562	sub thawer_merge {
		1563	my ($self, $merge) = @_;
		1564
		1565	# we have to keep some variables in memory intact
		1566	local $self->{path};
		1567	local $self->{load_path};
		1568
		1569	$self->SUPER::thawer_merge ($merge);
		1570	}
		1571
		1572	sub normalise {
		1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
		1578
		1579	# map plan:
		1580	#
		1581	# /! non-realised random map exit (special hack!)
		1582	# {... are special paths that are not being touched
		1583	# ?xxx/... are special absolute paths
		1584	# ?random/... random maps
		1585	# /... normal maps
		1586	# ~user/... per-player map of a specific user
		1587
		1588	$path =~ s/$PATH_SEP/\//go;
		1589
		1590	# treat it as relative path if it starts with
		1591	# something that looks reasonable
		1592	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1593	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1594
		1595	$base =~ s{[^/]+/?$}{};
		1596	$path = "$base/$path";
		1597	}
		1598
		1599	for ($path) {
		1600	redo if s{//}{/};
		1601	redo if s{/\.?/}{/};
		1602	redo if s{/[^/]+/\.\./}{/};
		1603	}
		1604
		1605	$path
		1606	}
		1607
		1608	sub new_from_path {
		1609	my (undef, $path, $base) = @_;
		1610
		1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1612
		1613	$path = normalise $path, $base;
		1614
		1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1617	my $self = bless cf::map::new, $pkg;
		1618	$self->{path} = $path; $self->path ($path);
		1619	$self->init; # pass $1 etc.
		1620	return $self;
		1621	}
		1622	}
		1623
		1624	Carp::carp "unable to resolve path '$path' (base '$base').";
		1625	()
		1626	}
		1627
		1628	sub init {
		1629	my ($self) = @_;
		1630
		1631	$self
		1632	}
		1633
		1634	sub as_string {
		1635	my ($self) = @_;
		1636
		1637	"$self->{path}"
		1638	}
		1639
		1640	# the displayed name, this is a one way mapping
		1641	sub visible_name {
		1642	&as_string
		1643	}
		1644
		1645	# the original (read-only) location
		1646	sub load_path {
		1647	my ($self) = @_;
		1648
		1649	"$MAPDIR/$self->{path}.map"
		1650	}
		1651
		1652	# the temporary/swap location
		1653	sub save_path {
		1654	my ($self) = @_;
		1655
		1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1657	"$TMPDIR/$path.map"
		1658	}
		1659
		1660	# the unique path, undef == no special unique path
		1661	sub uniq_path {
		1662	my ($self) = @_;
		1663
		1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1665	"$UNIQUEDIR/$path"
		1666	}
		1667
1307	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1308	# all maps in C++...	1669	# all maps in C++...
1309	sub change_all_map_light {	1670	sub change_all_map_light {
1310	my ($change) = @_;	1671	my ($change) = @_;
1311		1672
1312	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1314	}	1675	}
1315		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
		1685	sub unlink_save {
		1686	my ($self) = @_;
		1687
		1688	utf8::encode (my $save = $self->save_path);
		1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1691	}
		1692
1316	sub load_map_header($) {	1693	sub load_header_from($) {
1317	my ($path) = @_;	1694	my ($self, $path) = @_;
1318		1695
1319	utf8::encode $path;	1696	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1321	or return;	1701	or return;
1322		1702
1323	my $map = cf::map::new	1703	$self->{load_path} = $path;
		1704
		1705	1
		1706	}
		1707
		1708	sub load_header_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->load_header_from ($self->load_path)
		1712	}
		1713
		1714	sub load_header_temp {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->save_path)
		1718	}
		1719
		1720	sub prepare_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->last_access ((delete $self->{last_access})
		1724	|| $cf::RUNTIME); #d#
		1725	# safety
		1726	$self->{instantiate_time} = $cf::RUNTIME
		1727	if $self->{instantiate_time} > $cf::RUNTIME;
		1728	}
		1729
		1730	sub prepare_orig {
		1731	my ($self) = @_;
		1732
		1733	$self->{load_original} = 1;
		1734	$self->{instantiate_time} = $cf::RUNTIME;
		1735	$self->last_access ($cf::RUNTIME);
		1736	$self->instantiate;
		1737	}
		1738
		1739	sub load_header {
		1740	my ($self) = @_;
		1741
		1742	if ($self->load_header_temp) {
		1743	$self->prepare_temp;
		1744	} else {
		1745	$self->load_header_orig
1324	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1325		1749
1326	# for better error messages only, will be overwritten later	1750	$self->{deny_reset} = 1
1327	$map->path ($path);	1751	if $self->no_reset;
1328		1752
1329	$map->load_header ($path)	1753	$self->default_region (cf::region::find_by_path $self->{path})
1330	or return;	1754	unless $self->default_region;
1331		1755
1332	$map->{load_path} = $path;	1756	1
1333
1334	$map
1335	}	1757	}
1336		1758
1337	sub find;	1759	sub find;
1338	sub find {	1760	sub find {
1339	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1340		1762
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1764
1346	cf::lock_wait "map_find:$key";	1765	cf::lock_wait "map_find:$path";
1347		1766
1348	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1768	my $guard = cf::lock_acquire "map_find:$path";
1350		1769	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1770	or return;
1365		1771
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1378		1773
1379	Coro::cede;	1774	$map->load_header
		1775	or return;
1380		1776
1381	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1778	# doing this can freeze the server in a sync job, obviously
		1779	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1780	$map->reset;
1383	undef $guard;	1781	undef $guard;
1384	$map = find $path	1782	return find $path;
1385	or return;
1386	}	1783	}
1387		1784
1388	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1389	}	1786	}
1390	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1391		1791
1392	sub load {	1792	sub load {
1393	my ($self) = @_;	1793	my ($self) = @_;
1394		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1395	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1800	my $guard = cf::lock_acquire "map_load:$path";
1397		1801
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1803
1400	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1401		1805
1402	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1403	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1812	or return;
1405		1813
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1815	if delete $self->{load_original};
1408		1816
1409	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1818	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1820	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1414	}	1822	}
1415	}	1823	}
1416		1824
1417	Coro::cede;	1825	Coro::cede;
1418
1419	# now do the right thing for maps	1826	# now do the right thing for maps
1420	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1829	unless $self->difficulty;
		1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1432	$self->activate;	1839	$self->activate;
1433	}	1840	}
1434		1841
1435	Coro::cede;
1436
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
		1846	}
		1847
		1848	sub customise_for {
		1849	my ($self, $ob) = @_;
		1850
		1851	return find "~" . $ob->name . "/" . $self->{path}
		1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
		1856
		1857	$self
1438	}	1858	}
1439		1859
1440	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1861	sub load_diag {
1442	my ($map) = @_;	1862	my ($map) = @_;
…		…
1472		1892
1473	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1474	}	1894	}
1475		1895
1476	our %MAP_PREFETCH;	1896	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1897	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1898
1492	sub find_async {	1899	sub find_async {
1493	my ($path, $origin) = @_;	1900	my ($path, $origin) = @_;
1494		1901
1495	$path = new cf::path $path, $origin && $origin->path;	1902	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1903
1498	if (my $map = $cf::MAP{$key}) {	1904	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1906	}
1501		1907
1502	$MAP_PREFETCH{$key} = $path;	1908	undef $MAP_PREFETCH{$path};
		1909	$MAP_PREFETCHER ||= cf::async {
		1910	while (%MAP_PREFETCH) {
		1911	for my $path (keys %MAP_PREFETCH) {
		1912	my $map = find $path
		1913	or next;
		1914	$map->load;
		1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
		1920	};
1503	$MAP_PREFETCHER->ready;	1921	$MAP_PREFETCHER->prio (6);
1504		1922
1505	()	1923	()
1506	}	1924	}
1507		1925
1508	sub save {	1926	sub save {
…		…
1512		1930
1513	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1514		1932
1515	return unless $self->dirty;	1933	return unless $self->dirty;
1516		1934
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1935	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1937
1520	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1521		1939
1522	return if $self->{deny_save};	1940	return if $self->{deny_save};
1523		1941
…		…
1526	cf::async {	1944	cf::async {
1527	$_->contr->save for $self->players;	1945	$_->contr->save for $self->players;
1528	};	1946	};
1529		1947
1530	if ($uniq) {	1948	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1951	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1953	}
1536	}	1954	}
1537		1955
1538	sub swap_out {	1956	sub swap_out {
1539	my ($self) = @_;	1957	my ($self) = @_;
…		…
1553		1971
1554	sub reset_at {	1972	sub reset_at {
1555	my ($self) = @_;	1973	my ($self) = @_;
1556		1974
1557	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1560		1977
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1980
…		…
1568	my ($self) = @_;	1985	my ($self) = @_;
1569		1986
1570	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1571	}	1988	}
1572		1989
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1990	sub reset {
1587	my ($self) = @_;	1991	my ($self) = @_;
1588		1992
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1994
1591	return if $self->players;	1995	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		1996
1594	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1595		2008
1596	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1597		2010
		2011	$self->clear;
		2012
1598	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1599		2014
1600	$self->{path}->unlink_save;	2015	$self->unlink_save;
1601	$self->destroy;	2016	$self->destroy;
1602	}	2017	}
1603		2018
1604	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1605		2020
1606	sub nuke {	2021	sub nuke {
1607	my ($self) = @_;	2022	my ($self) = @_;
1608		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1612	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1613	}	2037	}
1614		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1615	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1616		2076
1617	Returns an arrayref of cf::path's of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2078	instantiated unique items. May block.
1619		2079
1620	=cut	2080	=cut
1621		2081
1622	sub unique_maps() {	2082	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1624	or return;	2084	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2085	utf8::decode $_;
1630	next if /\.pst$/;	2086	/\.map$/
1631	next unless /^$PATH_SEP/o;	2087	? normalise $_
1632		2088	: ()
1633	push @paths, new cf::path $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2090	]
1635
1636	\@paths
1637	}	2091	}
1638		2092
1639	package cf;	2093	package cf;
1640		2094
1641	=back	2095	=back
…		…
1687		2141
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2143
1690	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1692	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1695	}	2163	}
1696	}	2164	}
1697		2165
1698	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1699		2167
…		…
1713		2181
1714	=item $player_object->enter_link	2182	=item $player_object->enter_link
1715		2183
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2184	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2185
1718	The player should be reaosnably safe there for short amounts of time. You	2186	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	2187	I<MUST> call C<leave_link> as soon as possible, though.
1720		2188
		2189	Will never block.
		2190
1721	=item $player_object->leave_link ($map, $x, $y)	2191	=item $player_object->leave_link ($map, $x, $y)
1722		2192
1723	Moves the player out of the specila link map onto the given map. If the	2193	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2194	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2195	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2196	fails, to the emergency map position.
1727		2197
1728	Might block.	2198	Might block.
1729		2199
1730	=cut	2200	=cut
		2201
		2202	sub link_map {
		2203	unless ($LINK_MAP) {
		2204	$LINK_MAP = cf::map::find "{link}"
		2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2206	$LINK_MAP->load;
		2207	}
		2208
		2209	$LINK_MAP
		2210	}
1731		2211
1732	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2213	my ($self) = @_;
1734		2214
1735	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1736		2216
1737	return if $self->map == $LINK_MAP;	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2218
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1741		2221
1742	$self->enter_map ($LINK_MAP, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2223	}
1744		2224
1745	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1747		2229
1748	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1749		2231
1750	unless ($map) {	2232	unless ($map) {
1751	# restore original map position	2233	# restore original map position
…		…
1769	$map->load;	2251	$map->load;
1770	$map->load_diag;	2252	$map->load_diag;
1771		2253
1772	return unless $self->contr->active;	2254	return unless $self->contr->active;
1773	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1775	}	2259	}
1776		2260
1777	cf::player->attach (
1778	on_logout => sub {
1779	my ($pl) = @_;
1780
1781	# abort map switching before logout
1782	if ($pl->ob->{_link_pos}) {
1783	cf::sync_job {
1784	$pl->ob->leave_link
1785	};
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790
1791	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808
1809	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1810		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1811	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1812		2271
1813	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
1815		2274
1816	$path = new cf::path $path;	2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2277
1818	$self->enter_link;	2278	$self->enter_link;
1819		2279
1820	(async {	2280	(async {
		2281	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	2282	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2283
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	2284	if ($map) {
1826		2285	$map = $map->customise_for ($self);
		2286	$map = $check->($map) if $check && $map;
		2287	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
1828		2290
		2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
		2297	}
		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1830	})->prio (1);	2303	})->prio (1);
1831	}	2304	}
1832		2305
1833	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1834		2307
…		…
1836		2309
1837	sub parse_random_map_params {	2310	sub parse_random_map_params {
1838	my ($spec) = @_;	2311	my ($spec) = @_;
1839		2312
1840	my $rmp = { # defaults	2313	my $rmp = { # defaults
1841	xsize => 10,	2314	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2315	ysize => (cf::rndm 15, 40),
		2316	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2317	#layout => string,
1843	};	2318	};
1844		2319
1845	for (split /\n/, $spec) {	2320	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2321	my ($k, $v) = split /\s+/, $_, 2;
1847		2322
…		…
1851	$rmp	2326	$rmp
1852	}	2327	}
1853		2328
1854	sub prepare_random_map {	2329	sub prepare_random_map {
1855	my ($exit) = @_;	2330	my ($exit) = @_;
		2331
		2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2333
1857	# all this does is basically replace the /! path by	2334	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2335	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2336	# that depends on the exit object
1860		2337
1861	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1862		2339
1863	if ($exit->map) {	2340	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1868	}	2345	}
1869		2346
1870	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1871		2348
1872	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
		2351	my $meta = "$RANDOMDIR/$md5.meta";
1874		2352
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
		2355	undef $fh;
		2356	aio_rename "$meta~", $meta;
1877		2357
1878	$exit->slaying ("?random/$md5");	2358	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2359	$exit->msg (undef);
1880	}	2360	}
1881	}	2361	}
…		…
1883	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1885		2365
1886	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1887		2367
		2368	if ($exit->slaying eq "/!") {
		2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
		2372	cf::sync_job { prepare_random_map $exit };
		2373	}
		2374
		2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2376	my $hp = $exit->stats->hp;
		2377	my $sp = $exit->stats->sp;
		2378
1888	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1889		2384
1890	(async {	2385	(async {
1891	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2387	unless (eval {
1893	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2389
1899	1;	2390	1;
1900	}) {	2391	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2396
1906	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2398	$self->leave_link;
1908	}	2399	}
1909	})->prio (1);	2400	})->prio (1);
…		…
1922		2413
1923	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1925		2416
1926	utf8::encode $text;	2417	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2419	}
1929		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
1930		2473
1931	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1932		2475
1933	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2477	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		2479
1937	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	2481	become reliable at some point in the future.
1939		2482
1940	=cut	2483	=cut
1941		2484
1942	sub cf::client::query {	2485	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2494	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2496
1954	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1956	}	2501	}
1957		2502
1958	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
1959	on_reply => sub {	2509	on_reply => sub {
1960	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1961		2511
1962	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1963	# get handled first	2513	# get handled first
1964	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2515	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2516
1967	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2519
1969	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1970		2521
1971	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2523	if (@$queue) {
…		…
1974	} else {	2525	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	2527	}
1977	}	2528	}
1978	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
1979	);	2548	);
1980		2549
1981	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
1982		2551
1983	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2030		2599
2031	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2032		2601
2033	=pod	2602	=pod
2034		2603
2035	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2036		2605
2037	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2038	cf::object::player player	2610	cf::object::player
2039	cf::player peaceful	2611	player
2040	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2041		2618
2042	=cut	2619	=cut
2043		2620
2044	for (	2621	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2046	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2048	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2049	) {	2627	) {
2050	no strict 'refs';	2628	no strict 'refs';
…		…
2121	=back	2699	=back
2122		2700
2123	=cut	2701	=cut
2124		2702
2125	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2126		2705
2127	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2128		2708
2129	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2130	currently store anything that can be serialised using Storable, which
2131	excludes objects.
2132		2710
2133	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2134	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2135		2714
2136	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2137		2716
2138	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2139		2719
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key
2145
2146	Returns a single value from the database
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2176		2722
2177	my $pid;	2723	while (my ($face, $info) = each %$faces) {
		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
		2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2178		2729
2179	sub db_save() {	2730	cf::cede_to_tick;
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});
2199
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {
2206	@_ >= 2
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210
2211	sub db_put($$;$) {
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2731	}
2225	);
2226	}
2227		2732
2228	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	2734	next unless $info->{smooth};
		2735	my $idx = cf::face::find $face
		2736	or next;
		2737	if (my $smooth = cf::face::find $info->{smooth}) {
		2738	cf::face::set_smooth $idx, $smooth;
		2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2740	} else {
		2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2742	}
		2743
		2744	cf::cede_to_tick;
		2745	}
		2746	}
		2747
		2748	{
		2749	my $anims = $facedata->{animinfo};
		2750
		2751	while (my ($anim, $info) = each %$anims) {
		2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2753	cf::cede_to_tick;
		2754	}
		2755
		2756	cf::anim::invalidate_all; # d'oh
		2757	}
		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright},
		2770	});
		2771	my $data = pack "(w/a*)*", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	use Data::Dumper; warn Dumper substr $data, 0, 100;#d#
		2775
		2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2777	cf::face::set_type $idx, 1;
		2778	cf::face::set_data $idx, 0, $data, $chk;
		2779
		2780	# TODO
		2781	cf::cede_to_tick;
		2782	}
		2783	}
		2784
		2785	1
		2786	}
		2787
		2788	sub reload_regions {
		2789	load_resource_file "$MAPDIR/regions"
		2790	or die "unable to load regions file\n";
		2791	}
		2792
		2793	sub reload_facedata {
		2794	load_facedata "$DATADIR/facedata"
		2795	or die "unable to load facedata\n";
		2796	}
		2797
		2798	sub reload_archetypes {
		2799	load_resource_file "$DATADIR/archetypes"
		2800	or die "unable to load archetypes\n";
		2801	#d# NEED to laod twice to resolve forward references
		2802	# this really needs to be done in an extra post-pass
		2803	# (which needs to be synchronous, so solve it differently)
		2804	load_resource_file "$DATADIR/archetypes"
		2805	or die "unable to load archetypes\n";
		2806	}
		2807
		2808	sub reload_treasures {
		2809	load_resource_file "$DATADIR/treasures"
		2810	or die "unable to load treasurelists\n";
		2811	}
		2812
		2813	sub reload_resources {
		2814	warn "reloading resource files...\n";
		2815
		2816	reload_regions;
		2817	reload_facedata;
		2818	#reload_archetypes;#d#
		2819	reload_archetypes;
		2820	reload_treasures;
		2821
		2822	warn "finished reloading resource files\n";
		2823	}
		2824
		2825	sub init {
		2826	reload_resources;
		2827	}
2230		2828
2231	sub cfg_load {	2829	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2830	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	2831	or return;
2234		2832
2235	local $/;	2833	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	2834	*CFG = YAML::Syck::Load <$fh>;
2237		2835
…		…
2251		2849
2252	sub main {	2850	sub main {
2253	# we must not ever block the main coroutine	2851	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2852	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2853	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2854	(async {
2256	async { Event::one_event };	2855	Event::one_event;
		2856	})->prio (Coro::PRIO_MAX);
2257	};	2857	};
2258		2858
2259	cfg_load;	2859	cfg_load;
2260	db_load;	2860	db_init;
2261	load_extensions;	2861	load_extensions;
		2862
		2863	$TICK_WATCHER->start;
2262	Event::loop;	2864	Event::loop;
2263	}	2865	}
2264		2866
2265	#############################################################################	2867	#############################################################################
2266	# initialisation and cleanup	2868	# initialisation and cleanup
2267		2869
2268	# install some emergency cleanup handlers	2870	# install some emergency cleanup handlers
2269	BEGIN {	2871	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2872	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2873	Event->signal (
		2874	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2875	data => WF_AUTOCANCEL,
2273	signal => $signal,	2876	signal => $signal,
		2877	prio => 0,
2274	cb => sub {	2878	cb => sub {
2275	cf::cleanup "SIG$signal";	2879	cf::cleanup "SIG$signal";
2276	},	2880	},
2277	);	2881	);
2278	}	2882	}
2279	}	2883	}
2280		2884
		2885	sub write_runtime {
		2886	my $runtime = "$LOCALDIR/runtime";
		2887
		2888	# first touch the runtime file to show we are still running:
		2889	# the fsync below can take a very very long time.
		2890
		2891	IO::AIO::aio_utime $runtime, undef, undef;
		2892
		2893	my $guard = cf::lock_acquire "write_runtime";
		2894
		2895	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2896	or return;
		2897
		2898	my $value = $cf::RUNTIME + 90 + 10;
		2899	# 10 is the runtime save interval, for a monotonic clock
		2900	# 60 allows for the watchdog to kill the server.
		2901
		2902	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2903	and return;
		2904
		2905	# always fsync - this file is important
		2906	aio_fsync $fh
		2907	and return;
		2908
		2909	# touch it again to show we are up-to-date
		2910	aio_utime $fh, undef, undef;
		2911
		2912	close $fh
		2913	or return;
		2914
		2915	aio_rename "$runtime~", $runtime
		2916	and return;
		2917
		2918	warn "runtime file written.\n";
		2919
		2920	1
		2921	}
		2922
2281	sub emergency_save() {	2923	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	2924	my $freeze_guard = cf::freeze_mainloop;
2283		2925
2284	warn "enter emergency perl save\n";	2926	warn "enter emergency perl save\n";
2285		2927
2286	cf::sync_job {	2928	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2929	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2930	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2931	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2932	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2933	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2934	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2935	$pl->valid or next;
2294	$pl->save;	2936	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2942	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2943	$map->valid or next;
2302	$map->save;	2944	$map->save;
2303	}	2945	}
2304	warn "end emergency map save\n";	2946	warn "end emergency map save\n";
		2947
		2948	warn "begin emergency database checkpoint\n";
		2949	BDB::db_env_txn_checkpoint $DB_ENV;
		2950	warn "end emergency database checkpoint\n";
2305	};	2951	};
2306		2952
2307	warn "leave emergency perl save\n";	2953	warn "leave emergency perl save\n";
2308	}	2954	}
2309		2955
		2956	sub post_cleanup {
		2957	my ($make_core) = @_;
		2958
		2959	warn Carp::longmess "post_cleanup backtrace"
		2960	if $make_core;
		2961	}
		2962
2310	sub reload() {	2963	sub do_reload_perl() {
2311	# can/must only be called in main	2964	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2965	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2966	warn "can only reload from main coroutine";
2314	return;	2967	return;
2315	}	2968	}
2316		2969
2317	warn "reloading...";	2970	warn "reloading...";
2318		2971
2319	warn "freezing server";	2972	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2973
		2974	cf::sync_job {
		2975	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2976	cf::emergency_save;
		2977	cf::write_runtime; # external watchdog should not bark
2322		2978
2323	warn "sync database to disk";	2979	warn "syncing database to disk";
2324	cf::db_sync;	2980	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2981
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2982	# if anything goes wrong in here, we should simply crash as we already saved
2329		2983
2330	warn "cancel all watchers";	2984	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2985	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2986	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2987	}
2334		2988
		2989	warn "flushing outstanding aio requests";
		2990	for (;;) {
		2991	BDB::flush;
		2992	IO::AIO::flush;
		2993	Coro::cede;
		2994	last unless IO::AIO::nreqs || BDB::nreqs;
		2995	warn "iterate...";
		2996	}
		2997
		2998	++$RELOAD;
		2999
2335	warn "cancel all extension coros";	3000	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	3001	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	3002	%EXT_CORO = ();
2338		3003
2339	warn "remove commands";	3004	warn "removing commands";
2340	%COMMAND = ();	3005	%COMMAND = ();
2341		3006
2342	warn "remove ext commands";	3007	warn "removing ext/exti commands";
2343	%EXTCMD = ();	3008	%EXTCMD = ();
		3009	%EXTICMD = ();
2344		3010
2345	warn "unload/nuke all extensions";	3011	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	3012	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	3013	warn "... unloading $pkg";
2348		3014
2349	if (my $cb = $pkg->can ("unload")) {	3015	if (my $cb = $pkg->can ("unload")) {
2350	eval {	3016	eval {
…		…
2355		3021
2356	warn "... nuking $pkg";	3022	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	3023	Symbol::delete_package $pkg;
2358	}	3024	}
2359		3025
2360	warn "unload all perl modules loaded from $LIBDIR";	3026	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	3027	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3028	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		3029
2364	warn "removing <$k>";	3030	warn "... unloading $k";
2365	delete $INC{$k};	3031	delete $INC{$k};
2366		3032
2367	$k =~ s/\.pm$//;	3033	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	3034	$k =~ s/\//::/g;
2369		3035
…		…
2372	}	3038	}
2373		3039
2374	Symbol::delete_package $k;	3040	Symbol::delete_package $k;
2375	}	3041	}
2376		3042
2377	warn "get rid of safe::, as good as possible";	3043	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3044	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3045	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3046
2381	warn "unload cf.pm \"a bit\"";	3047	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3048	delete $INC{"cf.pm"};
		3049	delete $INC{"cf/pod.pm"};
2383		3050
2384	# don't, removes xs symbols, too,	3051	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3052	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3053	#Symbol::delete_package __PACKAGE__;
2387		3054
		3055	warn "unload completed, starting to reload now";
		3056
2388	warn "reloading cf.pm";	3057	warn "reloading cf.pm";
2389	require cf;	3058	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3059	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		3060
2392	warn "load config and database again";	3061	warn "loading config and database again";
2393	cf::cfg_load;	3062	cf::cfg_load;
2394	cf::db_load;
2395		3063
2396	warn "load extensions";	3064	warn "loading extensions";
2397	cf::load_extensions;	3065	cf::load_extensions;
2398		3066
2399	warn "reattach attachments to objects/players";	3067	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3068	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3069	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3070	reattach $_ for values %MAP;
2403	};	3071	warn "reattaching attachments to players";
		3072	reattach $_ for values %PLAYER;
2404		3073
2405	if ($@) {	3074	warn "leaving sync_job";
		3075
		3076	1
		3077	} or do {
2406	warn $@;	3078	warn $@;
2407	warn "error while reloading, exiting.";	3079	warn "error while reloading, exiting.";
2408	exit 1;	3080	exit 1;
2409	}	3081	};
2410		3082
2411	warn "reloaded";	3083	warn "reloaded";
2412	};	3084	};
2413		3085
2414	#############################################################################	3086	our $RELOAD_WATCHER; # used only during reload
2415		3087
2416	unless ($LINK_MAP) {	3088	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	3089	# doing reload synchronously and two reloads happen back-to-back,
		3090	# coro crashes during coro_state_free->destroy here.
2418		3091
2419	$LINK_MAP->width (41);	3092	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	3093	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	3094	after => 0,
		3095	data => WF_AUTOCANCEL,
2429	cb => sub {	3096	cb => sub {
2430	$_[0]->w->cancel;	3097	do_reload_perl;
2431		3098	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	3099	},
2450		3100	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3101	}
2456		3102
2457	register_command "reload" => sub {	3103	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3104	my ($who, $arg) = @_;
2459		3105
2460	if ($who->flag (FLAG_WIZ)) {	3106	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3107	$who->message ("reloading server.");
		3108	async { reload_perl };
2464	}	3109	}
2465	};	3110	};
2466		3111
2467	unshift @INC, $LIBDIR;	3112	unshift @INC, $LIBDIR;
2468		3113
		3114	my $bug_warning = 0;
		3115
		3116	our @WAIT_FOR_TICK;
		3117	our @WAIT_FOR_TICK_BEGIN;
		3118
		3119	sub wait_for_tick {
		3120	return unless $TICK_WATCHER->is_active;
		3121	return if $Coro::current == $Coro::main;
		3122
		3123	my $signal = new Coro::Signal;
		3124	push @WAIT_FOR_TICK, $signal;
		3125	$signal->wait;
		3126	}
		3127
		3128	sub wait_for_tick_begin {
		3129	return unless $TICK_WATCHER->is_active;
		3130	return if $Coro::current == $Coro::main;
		3131
		3132	my $signal = new Coro::Signal;
		3133	push @WAIT_FOR_TICK_BEGIN, $signal;
		3134	$signal->wait;
		3135	}
		3136
		3137	my $min = 1e6;#d#
		3138	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	3139	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	3140	reentrant => 0,
		3141	parked => 1,
2471	prio => 0,	3142	prio => 0,
2472	at => $NEXT_TICK || $TICK,	3143	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	3144	data => WF_AUTOCANCEL,
2474	cb => sub {	3145	cb => sub {
		3146	if ($Coro::current != $Coro::main) {
		3147	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3148	unless ++$bug_warning > 10;
		3149	return;
		3150	}
		3151
2475	$NOW = Event::time;	3152	$NOW = $tick_start = Event::time;
2476		3153
2477	cf::server_tick; # one server iteration	3154	cf::server_tick; # one server iteration
		3155
		3156	0 && sync_job {#d#
		3157	for(1..10) {
		3158	my $t = Event::time;
		3159	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3160	or die;
		3161
		3162	$map->width (50);
		3163	$map->height (50);
		3164	$map->alloc;
		3165	$map->_load_objects ("/tmp/x.map", 1);
		3166	my $t = Event::time - $t;
		3167
		3168	#next unless $t < 0.0013;#d#
		3169	if ($t < $min) {
		3170	$min = $t;
		3171	}
		3172	$avg = $avg * 0.99 + $t * 0.01;
		3173	}
		3174	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3175	exit 0;
		3176	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3177	};
		3178
2478	$RUNTIME += $TICK;	3179	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	3180	$NEXT_TICK += $TICK;
2480		3181
2481	$WAIT_FOR_TICK->broadcast;	3182	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3183	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3184	Coro::async_pool {
		3185	write_runtime
		3186	or warn "ERROR: unable to write runtime file: $!";
		3187	};
		3188	}
		3189
		3190	# my $AFTER = Event::time;
		3191	# warn $AFTER - $NOW;#d#
		3192
		3193	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3194	$sig->send;
		3195	}
		3196	while (my $sig = shift @WAIT_FOR_TICK) {
		3197	$sig->send;
		3198	}
		3199
		3200	$NOW = Event::time;
2483		3201
2484	# if we are delayed by four ticks or more, skip them all	3202	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3203	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		3204
2487	$TICK_WATCHER->at ($NEXT_TICK);	3205	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	3206	$TICK_WATCHER->start;
		3207
		3208	$LOAD = ($NOW - $tick_start) / $TICK;
		3209	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3210
		3211	_post_tick;
		3212
		3213
2489	},	3214	},
2490	);	3215	);
2491		3216
		3217	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	3218	BDB::max_poll_time $TICK * 0.1;
2493		3219	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	3220	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	3221	fd => BDB::poll_fileno,
2496	poll => 'r',	3222	poll => 'r',
2497	prio => 5,	3223	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	3224	data => WF_AUTOCANCEL,
2504	after => 0,	3225	cb => \&BDB::poll_cb,
2505	interval => 10,	3226	);
2506	cb => sub {	3227	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	3228
2508	write_runtime	3229	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	3230	my $status;
		3231	my $current = $Coro::current;
		3232	(
		3233	sub {
		3234	$status = $!;
		3235	$current->ready; undef $current;
		3236	},
		3237	sub {
		3238	Coro::schedule while defined $current;
		3239	$! = $status;
		3240	},
		3241	)
		3242	};
		3243
		3244	unless ($DB_ENV) {
		3245	$DB_ENV = BDB::db_env_create;
		3246
		3247	cf::sync_job {
		3248	eval {
		3249	BDB::db_env_open
		3250	$DB_ENV,
		3251	$BDBDIR,
		3252	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3253	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3254	0666;
		3255
		3256	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3257
		3258	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3259	$DB_ENV->set_lk_detect;
		3260	};
		3261
		3262	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	3263	};
2511	},	3264	}
2512	);	3265	}
		3266
		3267	{
		3268	IO::AIO::min_parallel 8;
		3269
		3270	undef $Coro::AIO::WATCHER;
		3271	IO::AIO::max_poll_time $TICK * 0.1;
		3272	$AIO_POLL_WATCHER = Event->io (
		3273	reentrant => 0,
		3274	data => WF_AUTOCANCEL,
		3275	fd => IO::AIO::poll_fileno,
		3276	poll => 'r',
		3277	prio => 6,
		3278	cb => \&IO::AIO::poll_cb,
		3279	);
		3280	}
		3281
		3282	my $_log_backtrace;
		3283
		3284	sub _log_backtrace {
		3285	my ($msg, @addr) = @_;
		3286
		3287	$msg =~ s/\n//;
		3288
		3289	# limit the # of concurrent backtraces
		3290	if ($_log_backtrace < 2) {
		3291	++$_log_backtrace;
		3292	async {
		3293	my @bt = fork_call {
		3294	@addr = map { sprintf "%x", $_ } @addr;
		3295	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3296	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3297	or die "addr2line: $!";
		3298
		3299	my @funcs;
		3300	my @res = <$fh>;
		3301	chomp for @res;
		3302	while (@res) {
		3303	my ($func, $line) = splice @res, 0, 2, ();
		3304	push @funcs, "[$func] $line";
		3305	}
		3306
		3307	@funcs
		3308	};
		3309
		3310	LOG llevInfo, "[ABT] $msg\n";
		3311	LOG llevInfo, "[ABT] $_\n" for @bt;
		3312	--$_log_backtrace;
		3313	};
		3314	} else {
		3315	LOG llevInfo, "[ABT] $msg\n";
		3316	LOG llevInfo, "[ABT] [suppressed]\n";
		3317	}
		3318	}
		3319
		3320	# load additional modules
		3321	use cf::pod;
2513		3322
2514	END { cf::emergency_save }	3323	END { cf::emergency_save }
2515		3324
2516	1	3325	1
2517		3326

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