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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
42		59
		60	our $RELOAD; # number of reloads so far
43	our @EVENT;	61	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		62
46	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	79	our $NEXT_TICK;
49	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
50		85
51	our %CFG;	86	our %CFG;
52		87
53	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	89	our $RUNTIME;
55		90
56	our %PLAYER; # all users	91	our %PLAYER; # all users
57	our %MAP; # all maps	92	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		94
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
63		101
64	binmode STDOUT;	102	binmode STDOUT;
65	binmode STDERR;	103	binmode STDERR;
66		104
67	# read virtual server time, if available	105	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
72	}	110	}
73		111
74	mkdir cf::localdir;	112	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		114
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
83		118
84	#############################################################################	119	#############################################################################
85		120
86	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
87		122
…		…
94	=item $cf::RUNTIME	129	=item $cf::RUNTIME
95		130
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	132	every server tick.
98		133
99	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		137
101	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
103		142
104	=item $cf::NOW	143	=item $cf::NOW
105		144
106	The time of the last (current) server tick.	145	The time of the last (current) server tick.
107		146
108	=item $cf::TICK	147	=item $cf::TICK
109		148
110	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
111		160
112	=item %cf::CFG	161	=item %cf::CFG
113		162
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	164	from wherever your confdir points to.
116		165
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		167
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
123		177
124	=back	178	=back
125		179
126	=cut	180	=cut
127		181
128	BEGIN {	182	BEGIN {
129	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	184	my $msg = join "", @_;
131	utf8::encode $msg;
132		185
133	$msg .= "\n"	186	$msg .= "\n"
134	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
135		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
136	LOG llevError, $msg;	192	LOG llevError, $msg;
137	};	193	};
138	}	194	}
139		195
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		203
147	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	205	# within the Safe compartment.
149	for my $pkg (qw(	206	for my $pkg (qw(
150	cf::global cf::attachable	207	cf::global cf::attachable
…		…
158	}	215	}
159		216
160	$Event::DIED = sub {	217	$Event::DIED = sub {
161	warn "error in event callback: @_";	218	warn "error in event callback: @_";
162	};	219	};
		220
		221	#############################################################################
163		222
164	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
165		224
166	=over 4	225	=over 4
167		226
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	246	$d
188	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
189	}	248	}
190		249
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
194		251
195	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
196		253
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
205		255
206	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
207		257
208	=cut	258	=cut
209		259
210	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
212	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
214		264
215	=item cf::lock_wait $string	265	=item cf::lock_wait $string
216		266
217	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
218		268
…		…
224	returned.	274	returned.
225		275
226	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
228		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
229	=cut	283	=cut
230		284
231	our %LOCK;	285	our %LOCK;
232		286
233	sub lock_wait($) {	287	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
254	}	308	}
255	}	309	}
256		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
257	sub freeze_mainloop {	317	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
259		319
260	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
261	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
262	$guard	324	$guard
263	}	325	}
264		326
265	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
272		334
273	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
274		336
275	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
276		338
277	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
280		343
281	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
284	fast or be very important.	347	fast or be very important.
…		…
287		350
288	sub sync_job(&) {	351	sub sync_job(&) {
289	my ($job) = @_;	352	my ($job) = @_;
290		353
291	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
292	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
294		359
295	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
307		372
308	while ($busy) {	373	while ($busy) {
309	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
310	}	375	}
311		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
312	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
313	} else {	385	} else {
314	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
315		387
316	$job->()	388	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
336		408
337	$coro	409	$coro
338	}	410	}
339		411
340	sub write_runtime {	412	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		413
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
344	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
345		418
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	419	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		420
350	aio_fsync $fh	421	sub _store_scalar {
351	and return;	422	open my $fh, ">", \my $buf
352		423	or die "fork_call: cannot open fh-to-buf in child : $!";
		424	Storable::store_fd $_[0], $fh;
353	close $fh	425	close $fh;
354	or return;
355		426
356	aio_rename "$runtime~", $runtime	427	$buf
357	and return;	428	}
358		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
359	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	599	}
361		600
362	=back	601	=back
363		602
364	=cut	603	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		604
493	#############################################################################	605	#############################################################################
494		606
495	=head2 ATTACHABLE OBJECTS	607	=head2 ATTACHABLE OBJECTS
496		608
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
500		612
501	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	615	Crossfire TRT).
504		616
505	=over 4	617	=over 4
506		618
507	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
508		620
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	734	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	735	our @CB_MAP = ();
624		736
625	my %attachment;	737	my %attachment;
626		738
		739	sub cf::attachable::thawer_merge {
		740	# simply override everything except _meta
		741	local $_[0]{_meta};
		742	%{$_[0]} = %{$_[1]};
		743	}
		744
627	sub _attach_cb($$$$) {	745	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	746	my ($registry, $event, $prio, $cb) = @_;
629		747
630	use sort 'stable';	748	use sort 'stable';
631		749
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
666		784
667	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		789
672	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	791	my $pkg = shift @arg;
674		792
675	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
705	}	823	}
706		824
707	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
708	} else {	826	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	828	}
711		829
712	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
713	}	831	}
714		832
…		…
716	if (ref $_[0]) {	834	if (ref $_[0]) {
717	_object_attach @_;	835	_object_attach @_;
718	} else {	836	} else {
719	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
720	}	838	}
		839	_recalc_want;
721	};	840	};
722		841
723	# all those should be optimised	842	# all those should be optimised
724	sub cf::attachable::detach {	843	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
729	reattach ($obj);	848	reattach ($obj);
730	} else {	849	} else {
731	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
732	}	851	}
		852	_recalc_want;
733	};	853	};
734		854
735	sub cf::attachable::attached {	855	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
737		857
…		…
752	";	872	";
753	die if $@;	873	die if $@;
754	}	874	}
755		875
756	our $override;	876	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		878
759	sub override {	879	sub override {
760	$override = 1;	880	$override = 1;
761	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
762	}	882	}
763		883
764	sub do_invoke {	884	sub do_invoke {
765	my $event = shift;	885	my $event = shift;
766	my $callbacks = shift;	886	my $callbacks = shift;
767		887
768	@invoke_results = ();	888	@INVOKE_RESULTS = ();
769		889
770	local $override;	890	local $override;
771		891
772	for (@$callbacks) {	892	for (@$callbacks) {
773	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
790		910
791	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
792		912
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		916
797	=back	917	=back
798		918
799	=cut	919	=cut
800		920
…		…
802	# object support	922	# object support
803		923
804	sub reattach {	924	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	925	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	926	my ($obj) = @_;
		927
		928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		929
808	my $registry = $obj->registry;	930	my $registry = $obj->registry;
809		931
810	@$registry = ();	932	@$registry = ();
811		933
…		…
858	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
859		981
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	986	close $fh;
865		987
866	if (@$objs) {	988	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	994	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
874	}	996	}
875	} else {	997	} else {
876	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
908	or return;	1030	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1032	}
911		1033
912	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1036	return ($data, $av);
915	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
916		1044
917	#############################################################################	1045	#############################################################################
918	# command handling &c	1046	# command handling &c
919		1047
920	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1062	}
935		1063
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1065
938	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
939		1071
940	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
941	called.	1073	called.
942		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
943	=cut	1086	=cut
944		1087
945	sub register_extcmd {	1088	sub register_extcmd {
946	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
947		1090
948	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
949	}	1098	}
950		1099
951	cf::player->attach (	1100	cf::player->attach (
952	on_command => sub {	1101	on_command => sub {
953	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1111	cf::override;
963	},	1112	},
964	on_extcmd => sub {	1113	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
966		1115
967	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1117
969	if (ref $msg) {	1118	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
978		1127
979	cf::override;	1128	cf::override;
980	},	1129	},
981	);	1130	);
982		1131
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
1011	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1137	next unless -r $path;
1013	eval {	1138
1014	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
1015	1	1196	}
1016	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
1017	}	1202	};
1018	}	1203	}
1019		1204
1020	#############################################################################	1205	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1206
1023	*cf::mapsupport::on_clean = sub {	1207	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1208
1036	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
1037		1210
1038	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
1039		1212
…		…
1052	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
1053		1226
1054	=cut	1227	=cut
1055		1228
1056	sub playerdir($) {	1229	sub playerdir($) {
1057	cf::localdir	1230	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1232	}
1063		1233
1064	sub path($) {	1234	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1236
1067	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
1068	}	1238	}
1069		1239
1070	sub find_active($) {	1240	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
1075		1245
1076	sub exists($) {	1246	sub exists($) {
1077	my ($login) = @_;	1247	my ($login) = @_;
1078		1248
1079	$cf::PLAYER{$login}	1249	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1250	or cf::sync_job { !aio_stat path $login }
1081	}	1251	}
1082		1252
1083	sub find($) {	1253	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1254	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1255	my $login = $_[0];
1086		1256
1087	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
1088		1258
1089	$cf::PLAYER{$_[0]} || do {	1259	$cf::PLAYER{$_[0]} || do {
		1260	# rename old playerfiles to new ones
		1261	#TODO: remove when no longer required
		1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1265	aio_unlink +(playerdir $login) . "/$login.pl";
		1266
1090	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
1091	or return;	1268	or return;
1092	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
1093	}	1270	}
1094	}	1271	}
…		…
1131		1308
1132	=cut	1309	=cut
1133		1310
1134	sub quit_character {	1311	sub quit_character {
1135	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1136		1315
1137	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1317	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1318
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1328	$pl->destroy;
		1329
		1330	my $prefix = qr<^~\Q$name\E/>;
		1331
		1332	# nuke player maps
		1333	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1334
1150	IO::AIO::aio_rmtree $temp;	1335	IO::AIO::aio_rmtree $temp;
		1336	}
		1337
		1338	=item $pl->kick
		1339
		1340	Kicks a player out of the game. This destroys the connection.
		1341
		1342	=cut
		1343
		1344	sub kick {
		1345	my ($pl, $kicker) = @_;
		1346
		1347	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1348	$pl->killer ("kicked");
		1349	$pl->ns->destroy;
1151	}	1350	}
1152		1351
1153	=item cf::player::list_logins	1352	=item cf::player::list_logins
1154		1353
1155	Returns am arrayref of all valid playernames in the system, can take a	1354	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1157		1356
1158	=cut	1357	=cut
1159		1358
1160	sub list_logins {	1359	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1361	or return [];
1163		1362
1164	my @logins;	1363	my @logins;
1165		1364
1166	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1175	\@logins	1374	\@logins
1176	}	1375	}
1177		1376
1178	=item $player->maps	1377	=item $player->maps
1179		1378
1180	Returns an arrayref of cf::path's of all maps that are private for this	1379	Returns an arrayref of map paths that are private for this
1181	player. May block.	1380	player. May block.
1182		1381
1183	=cut	1382	=cut
1184		1383
1185	sub maps($) {	1384	sub maps($) {
1186	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1388
1188	my $files = aio_readdir playerdir $pl	1389	my $files = aio_readdir playerdir $pl
1189	or return;	1390	or return;
1190		1391
1191	my @paths;	1392	my @paths;
…		…
1193	for (@$files) {	1394	for (@$files) {
1194	utf8::decode $_;	1395	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1396	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1397	next unless /^$PATH_SEP/o;
1197		1398
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1399	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1400	}
1200		1401
1201	\@paths	1402	\@paths
1202	}	1403	}
1203		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1205		1456
1206	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1207		1458
1208	=cut	1459	=cut
1209		1460
1210	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1212		1463
1213	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1214		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1466	}
1217		1467
1218	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		1475	my ($self, $type, %msg) = @_;
		1476
		1477	$self->ns->ext_event ($type, %msg);
		1478	}
		1479
		1480	=head3 cf::region
		1481
		1482	=over 4
		1483
		1484	=cut
		1485
		1486	package cf::region;
		1487
		1488	=item cf::region::find_by_path $path
		1489
		1490	Tries to decuce the likely region for a map knowing only its path.
		1491
		1492	=cut
		1493
		1494	sub find_by_path($) {
		1495	my ($path) = @_;
		1496
		1497	my ($match, $specificity);
		1498
		1499	for my $region (list) {
		1500	if ($region->{match} && $path =~ $region->{match}) {
		1501	($match, $specificity) = ($region, $region->specificity)
		1502	if $region->specificity > $specificity;
		1503	}
		1504	}
		1505
		1506	$match
		1507	}
1219		1508
1220	=back	1509	=back
1221
1222		1510
1223	=head3 cf::map	1511	=head3 cf::map
1224		1512
1225	=over 4	1513	=over 4
1226		1514
…		…
1229	package cf::map;	1517	package cf::map;
1230		1518
1231	use Fcntl;	1519	use Fcntl;
1232	use Coro::AIO;	1520	use Coro::AIO;
1233		1521
		1522	use overload
		1523	'""' => \&as_string,
		1524	fallback => 1;
		1525
1234	our $MAX_RESET = 3600;	1526	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1527	our $DEFAULT_RESET = 3000;
1236		1528
1237	sub generate_random_map {	1529	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1530	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1531	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1532	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1536	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1537	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1543	(cf::region::find $rmp->{region}), $rmp->{custom}
		1544	)
		1545	}
		1546
		1547	=item cf::map->register ($regex, $prio)
		1548
		1549	Register a handler for the map path matching the given regex at the
		1550	givne priority (higher is better, built-in handlers have priority 0, the
		1551	default).
		1552
		1553	=cut
		1554
		1555	sub register {
		1556	my (undef, $regex, $prio) = @_;
		1557	my $pkg = caller;
		1558
		1559	no strict;
		1560	push @{"$pkg\::ISA"}, __PACKAGE__;
		1561
		1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1563	}
		1564
		1565	# also paths starting with '/'
		1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1567
		1568	sub thawer_merge {
		1569	my ($self, $merge) = @_;
		1570
		1571	# we have to keep some variables in memory intact
		1572	local $self->{path};
		1573	local $self->{load_path};
		1574
		1575	$self->SUPER::thawer_merge ($merge);
		1576	}
		1577
		1578	sub normalise {
		1579	my ($path, $base) = @_;
		1580
		1581	$path = "$path"; # make sure its a string
		1582
		1583	$path =~ s/\.map$//;
		1584
		1585	# map plan:
		1586	#
		1587	# /! non-realised random map exit (special hack!)
		1588	# {... are special paths that are not being touched
		1589	# ?xxx/... are special absolute paths
		1590	# ?random/... random maps
		1591	# /... normal maps
		1592	# ~user/... per-player map of a specific user
		1593
		1594	$path =~ s/$PATH_SEP/\//go;
		1595
		1596	# treat it as relative path if it starts with
		1597	# something that looks reasonable
		1598	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1599	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1600
		1601	$base =~ s{[^/]+/?$}{};
		1602	$path = "$base/$path";
		1603	}
		1604
		1605	for ($path) {
		1606	redo if s{//}{/};
		1607	redo if s{/\.?/}{/};
		1608	redo if s{/[^/]+/\.\./}{/};
		1609	}
		1610
		1611	$path
		1612	}
		1613
		1614	sub new_from_path {
		1615	my (undef, $path, $base) = @_;
		1616
		1617	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1618
		1619	$path = normalise $path, $base;
		1620
		1621	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1622	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1623	my $self = bless cf::map::new, $pkg;
		1624	$self->{path} = $path; $self->path ($path);
		1625	$self->init; # pass $1 etc.
		1626	return $self;
		1627	}
		1628	}
		1629
		1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1631	()
		1632	}
		1633
		1634	sub init {
		1635	my ($self) = @_;
		1636
		1637	$self
		1638	}
		1639
		1640	sub as_string {
		1641	my ($self) = @_;
		1642
		1643	"$self->{path}"
		1644	}
		1645
		1646	# the displayed name, this is a one way mapping
		1647	sub visible_name {
		1648	&as_string
		1649	}
		1650
		1651	# the original (read-only) location
		1652	sub load_path {
		1653	my ($self) = @_;
		1654
		1655	"$MAPDIR/$self->{path}.map"
		1656	}
		1657
		1658	# the temporary/swap location
		1659	sub save_path {
		1660	my ($self) = @_;
		1661
		1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1663	"$TMPDIR/$path.map"
		1664	}
		1665
		1666	# the unique path, undef == no special unique path
		1667	sub uniq_path {
		1668	my ($self) = @_;
		1669
		1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1671	"$UNIQUEDIR/$path"
1254	}	1672	}
1255		1673
1256	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1257	# all maps in C++...	1675	# all maps in C++...
1258	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1260		1678
1261	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1263	}	1681	}
1264		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
		1691	sub unlink_save {
		1692	my ($self) = @_;
		1693
		1694	utf8::encode (my $save = $self->save_path);
		1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1696	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1697	}
		1698
1265	sub try_load_header($) {	1699	sub load_header_from($) {
1266	my ($path) = @_;	1700	my ($self, $path) = @_;
1267		1701
1268	utf8::encode $path;	1702	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1703	#aio_open $path, O_RDONLY, 0
		1704	# or return;
		1705
		1706	$self->_load_header ($path)
1270	or return;	1707	or return;
1271		1708
1272	my $map = cf::map::new	1709	$self->{load_path} = $path;
		1710
		1711	1
		1712	}
		1713
		1714	sub load_header_orig {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->load_path)
		1718	}
		1719
		1720	sub load_header_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->load_header_from ($self->save_path)
		1724	}
		1725
		1726	sub prepare_temp {
		1727	my ($self) = @_;
		1728
		1729	$self->last_access ((delete $self->{last_access})
		1730	|| $cf::RUNTIME); #d#
		1731	# safety
		1732	$self->{instantiate_time} = $cf::RUNTIME
		1733	if $self->{instantiate_time} > $cf::RUNTIME;
		1734	}
		1735
		1736	sub prepare_orig {
		1737	my ($self) = @_;
		1738
		1739	$self->{load_original} = 1;
		1740	$self->{instantiate_time} = $cf::RUNTIME;
		1741	$self->last_access ($cf::RUNTIME);
		1742	$self->instantiate;
		1743	}
		1744
		1745	sub load_header {
		1746	my ($self) = @_;
		1747
		1748	if ($self->load_header_temp) {
		1749	$self->prepare_temp;
		1750	} else {
		1751	$self->load_header_orig
1273	or return;	1752	or return;
		1753	$self->prepare_orig;
		1754	}
1274		1755
1275	# for better error messages only, will be overwritten	1756	$self->{deny_reset} = 1
1276	$map->path ($path);	1757	if $self->no_reset;
1277		1758
1278	$map->load_header ($path)	1759	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1760	unless $self->default_region;
1280		1761
1281	$map->{load_path} = $path;	1762	1
1282
1283	$map
1284	}	1763	}
1285		1764
1286	sub find;	1765	sub find;
1287	sub find {	1766	sub find {
1288	my ($path, $origin) = @_;	1767	my ($path, $origin) = @_;
1289		1768
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1769	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1770
1295	cf::lock_wait "map_find:$key";	1771	cf::lock_wait "map_find:$path";
1296		1772
1297	$cf::MAP{$key} || do {	1773	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1774	my $guard = cf::lock_acquire "map_find:$path";
1299		1775	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1776	or return;
1319		1777
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1332		1779
1333	Coro::cede;	1780	$map->load_header
		1781	or return;
1334		1782
1335	if ($map->should_reset) {	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1784	# doing this can freeze the server in a sync job, obviously
		1785	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1786	$map->reset;
1337	undef $guard;	1787	undef $guard;
1338	$map = find $path	1788	return find $path;
1339	or return;
1340	}	1789	}
1341		1790
1342	$cf::MAP{$key} = $map	1791	$cf::MAP{$path} = $map
1343	}	1792	}
1344	}	1793	}
		1794
		1795	sub pre_load { }
		1796	sub post_load { }
1345		1797
1346	sub load {	1798	sub load {
1347	my ($self) = @_;	1799	my ($self) = @_;
1348		1800
		1801	local $self->{deny_reset} = 1; # loading can take a long time
		1802
1349	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1806	my $guard = cf::lock_acquire "map_load:$path";
1351		1807
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1809
1354	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1355		1811
1356	$self->alloc;	1812	$self->alloc;
		1813
		1814	$self->pre_load;
		1815	Coro::cede;
		1816
1357	$self->load_objects ($self->{load_path}, 1)	1817	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1818	or return;
1359		1819
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1821	if delete $self->{load_original};
1362		1822
1363	if (my $uniq = $path->uniq_path) {	1823	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1824	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1825	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1826	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1827	$self->_load_objects ($uniq, 0);
1368	}	1828	}
1369	}	1829	}
1370		1830
1371	Coro::cede;	1831	Coro::cede;
1372
1373	# now do the right thing for maps	1832	# now do the right thing for maps
1374	$self->link_multipart_objects;	1833	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1835	unless $self->difficulty;
		1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1386	$self->activate;	1845	$self->activate;
1387	}	1846	}
1388		1847
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1848	$self->in_memory (cf::MAP_IN_MEMORY);
		1849	}
		1850
		1851	$self->post_load;
		1852	}
		1853
		1854	sub customise_for {
		1855	my ($self, $ob) = @_;
		1856
		1857	return find "~" . $ob->name . "/" . $self->{path}
		1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
		1862
		1863	$self
1392	}	1864	}
1393		1865
1394	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1867	sub load_diag {
1396	my ($map) = @_;	1868	my ($map) = @_;
…		…
1426		1898
1427	cf::sync_job { $map->load };	1899	cf::sync_job { $map->load };
1428	}	1900	}
1429		1901
1430	our %MAP_PREFETCH;	1902	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1903	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1904
1446	sub find_async {	1905	sub find_async {
1447	my ($path, $origin) = @_;	1906	my ($path, $origin) = @_;
1448		1907
1449	$path = new cf::path $path, $origin && $origin->path;	1908	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1909
1452	if (my $map = $cf::MAP{$key}) {	1910	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1912	}
1455		1913
1456	$MAP_PREFETCH{$key} = $path;	1914	undef $MAP_PREFETCH{$path};
		1915	$MAP_PREFETCHER ||= cf::async {
		1916	while (%MAP_PREFETCH) {
		1917	for my $path (keys %MAP_PREFETCH) {
		1918	if (my $map = find $path) {
		1919	$map->load;
		1920	}
		1921
		1922	delete $MAP_PREFETCH{$path};
		1923	}
		1924	}
		1925	undef $MAP_PREFETCHER;
		1926	};
1457	$MAP_PREFETCHER->ready;	1927	$MAP_PREFETCHER->prio (6);
1458		1928
1459	()	1929	()
1460	}	1930	}
1461		1931
1462	sub save {	1932	sub save {
…		…
1466		1936
1467	$self->{last_save} = $cf::RUNTIME;	1937	$self->{last_save} = $cf::RUNTIME;
1468		1938
1469	return unless $self->dirty;	1939	return unless $self->dirty;
1470		1940
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1941	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1942	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1943
1474	$self->{load_path} = $save;	1944	$self->{load_path} = $save;
1475		1945
1476	return if $self->{deny_save};	1946	return if $self->{deny_save};
1477		1947
…		…
1480	cf::async {	1950	cf::async {
1481	$_->contr->save for $self->players;	1951	$_->contr->save for $self->players;
1482	};	1952	};
1483		1953
1484	if ($uniq) {	1954	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1957	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1959	}
1490	}	1960	}
1491		1961
1492	sub swap_out {	1962	sub swap_out {
1493	my ($self) = @_;	1963	my ($self) = @_;
…		…
1507		1977
1508	sub reset_at {	1978	sub reset_at {
1509	my ($self) = @_;	1979	my ($self) = @_;
1510		1980
1511	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1514		1983
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1986
…		…
1522	my ($self) = @_;	1991	my ($self) = @_;
1523		1992
1524	$self->reset_at <= $cf::RUNTIME	1993	$self->reset_at <= $cf::RUNTIME
1525	}	1994	}
1526		1995
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1996	sub reset {
1549	my ($self) = @_;	1997	my ($self) = @_;
1550		1998
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2000
1553	return if $self->players;	2001	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2002
1556	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
		2004
		2005	$self->in_memory (cf::MAP_SWAPPED);
		2006
		2007	# need to save uniques path
		2008	unless ($self->{deny_save}) {
		2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2010
		2011	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2012	if $uniq;
		2013	}
1557		2014
1558	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
		2016
		2017	$self->clear;
1559		2018
1560	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1561		2020
1562	$self->unlink_save;	2021	$self->unlink_save;
1563	$self->destroy;	2022	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2025	my $nuke_counter = "aaaa";
1567		2026
1568	sub nuke {	2027	sub nuke {
1569	my ($self) = @_;	2028	my ($self) = @_;
1570		2029
		2030	delete $cf::MAP{$self->path};
		2031
		2032	$self->unlink_save;
		2033
		2034	bless $self, "cf::map";
		2035	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2036	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2037	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2039
		2040	$cf::MAP{$self->path} = $self;
		2041
1574	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1575	}	2043	}
1576		2044
1577	sub customise_for {	2045	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2046
1580	if ($map->per_player) {	2047	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
1582	}	2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
1583		2062
1584	$map	2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
1585	}	2079	}
1586		2080
1587	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1588		2082
1589	Returns an arrayref of cf::path's of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2084	instantiated unique items. May block.
1591		2085
1592	=cut	2086	=cut
1593		2087
1594	sub unique_maps() {	2088	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1596	or return;	2090	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2091	utf8::decode $_;
1602	next if /\.pst$/;	2092	/\.map$/
1603	next unless /^$PATH_SEP/o;	2093	? normalise $_
1604		2094	: ()
1605	push @paths, new cf::path $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2096	]
1607
1608	\@paths
1609	}	2097	}
1610		2098
1611	package cf;	2099	package cf;
1612		2100
1613	=back	2101	=back
…		…
1659		2147
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2149
1662	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1664	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1667	}	2169	}
1668	}	2170	}
1669		2171
1670	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1671		2173
…		…
1685		2187
1686	=item $player_object->enter_link	2188	=item $player_object->enter_link
1687		2189
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2190	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2191
1690	The player should be reaosnably safe there for short amounts of time. You	2192	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2193	I<MUST> call C<leave_link> as soon as possible, though.
1692		2194
		2195	Will never block.
		2196
1693	=item $player_object->leave_link ($map, $x, $y)	2197	=item $player_object->leave_link ($map, $x, $y)
1694		2198
1695	Moves the player out of the specila link map onto the given map. If the	2199	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2200	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2201	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2202	fails, to the emergency map position.
1699		2203
1700	Might block.	2204	Might block.
1701		2205
1702	=cut	2206	=cut
		2207
		2208	sub link_map {
		2209	unless ($LINK_MAP) {
		2210	$LINK_MAP = cf::map::find "{link}"
		2211	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2212	$LINK_MAP->load;
		2213	}
		2214
		2215	$LINK_MAP
		2216	}
1703		2217
1704	sub cf::object::player::enter_link {	2218	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2219	my ($self) = @_;
1706		2220
1707	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1708		2222
1709	return if $self->map == $LINK_MAP;	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2224
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1713		2227
1714	$self->enter_map ($LINK_MAP, 20, 20);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2229	}
1716		2230
1717	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1719		2235
1720	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1721		2237
1722	unless ($map) {	2238	unless ($map) {
1723	# restore original map position	2239	# restore original map position
…		…
1741	$map->load;	2257	$map->load;
1742	$map->load_diag;	2258	$map->load_diag;
1743		2259
1744	return unless $self->contr->active;	2260	return unless $self->contr->active;
1745	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1747	}	2265	}
1748		2266
1749	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2268
1753	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1757	};	2273	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2274
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1784		2278
1785	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2281
1788	$path = new cf::path $path;	2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2284
1790	$self->enter_link;	2285	$self->enter_link;
1791		2286
1792	(async {	2287	(async {
		2288	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
1795		2293	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2294	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
1800		2297
		2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
		2304	}
		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1802	})->prio (1);	2312	})->prio (1);
1803	}	2313	}
1804		2314
1805	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1806		2316
…		…
1808		2318
1809	sub parse_random_map_params {	2319	sub parse_random_map_params {
1810	my ($spec) = @_;	2320	my ($spec) = @_;
1811		2321
1812	my $rmp = { # defaults	2322	my $rmp = { # defaults
1813	xsize => 10,	2323	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2324	ysize => (cf::rndm 15, 40),
		2325	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2326	#layout => string,
1815	};	2327	};
1816		2328
1817	for (split /\n/, $spec) {	2329	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2330	my ($k, $v) = split /\s+/, $_, 2;
1819		2331
…		…
1823	$rmp	2335	$rmp
1824	}	2336	}
1825		2337
1826	sub prepare_random_map {	2338	sub prepare_random_map {
1827	my ($exit) = @_;	2339	my ($exit) = @_;
		2340
		2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2342
1829	# all this does is basically replace the /! path by	2343	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2344	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2345	# that depends on the exit object
1832		2346
1833	my $rmp = parse_random_map_params $exit->msg;	2347	my $rmp = parse_random_map_params $exit->msg;
1834		2348
1835	if ($exit->map) {	2349	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2350	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2351	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2352	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2353	$rmp->{origin_y} = $exit->y;
1840	}	2354	}
1841		2355
1842	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1843		2357
1844	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
		2360	my $meta = "$RANDOMDIR/$md5.meta";
1846		2361
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
		2364	undef $fh;
		2365	aio_rename "$meta~", $meta;
1849		2366
1850	$exit->slaying ("?random/$md5");	2367	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2368	$exit->msg (undef);
1852	}	2369	}
1853	}	2370	}
…		…
1855	sub cf::object::player::enter_exit {	2372	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2373	my ($self, $exit) = @_;
1857		2374
1858	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1859		2376
		2377	if ($exit->slaying eq "/!") {
		2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2379	# the problem is that $exit might not survive long enough
		2380	# so it needs to be done right now, right here
		2381	cf::sync_job { prepare_random_map $exit };
		2382	}
		2383
		2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2385	my $hp = $exit->stats->hp;
		2386	my $sp = $exit->stats->sp;
		2387
1860	$self->enter_link;	2388	$self->enter_link;
		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
1861		2393
1862	(async {	2394	(async {
1863	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2396	unless (eval {
1865	prepare_random_map $exit	2397	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2398
1871	1;	2399	1;
1872	}) {	2400	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2402	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2405
1878	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2407	$self->leave_link;
1880	}	2408	}
1881	})->prio (1);	2409	})->prio (1);
…		…
1894		2422
1895	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1897		2425
1898	utf8::encode $text;	2426	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2428	}
1901		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
		2470	=item $client->ext_event ($type, %msg)
		2471
		2472	Sends an ext event to the client.
		2473
		2474	=cut
		2475
		2476	sub cf::client::ext_event($$%) {
		2477	my ($self, $type, %msg) = @_;
		2478
		2479	return unless $self->extcmd;
		2480
		2481	$msg{msgtype} = "event_$type";
		2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2483	}
1902		2484
1903	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1904		2486
1905	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2490
1909	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2492	become reliable at some point in the future.
1911		2493
1912	=cut	2494	=cut
1913		2495
1914	sub cf::client::query {	2496	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2505	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2507
1926	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
1928	}	2512	}
1929		2513
1930	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
1931	on_reply => sub {	2520	on_reply => sub {
1932	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
1933		2522
1934	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
1935	# get handled first	2524	# get handled first
1936	my $queue = delete $ns->{query_queue}	2525	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2526	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2527
1939	(shift @$queue)->[1]->($msg);	2528	(shift @$queue)->[1]->($msg);
		2529	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2530
1941	push @{ $ns->{query_queue} }, @$queue;	2531	push @{ $ns->{query_queue} }, @$queue;
1942		2532
1943	if (@{ $ns->{query_queue} } == @$queue) {	2533	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2534	if (@$queue) {
…		…
1946	} else {	2536	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2538	}
1949	}	2539	}
1950	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
1951	);	2559	);
1952		2560
1953	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
1954		2562
1955	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2610
2003	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
2004		2612
2005	=pod	2613	=pod
2006		2614
2007	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
2008		2616
2009	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
2010	cf::object::player player	2621	cf::object::player
2011	cf::player peaceful	2622	player
2012	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
2013		2629
2014	=cut	2630	=cut
2015		2631
2016	for (	2632	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
2018	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2021	) {	2638	) {
2022	no strict 'refs';	2639	no strict 'refs';
…		…
2093	=back	2710	=back
2094		2711
2095	=cut	2712	=cut
2096		2713
2097	#############################################################################	2714	#############################################################################
		2715	# the server's init and main functions
2098		2716
2099	=head2 EXTENSION DATABASE SUPPORT	2717	sub load_facedata($) {
		2718	my ($path) = @_;
2100		2719
2101	Crossfire maintains a very simple database for extension use. It can	2720	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2721
2105	The parameter C<$family> should best start with the name of the extension	2722	my $facedata;
2106	using it, it should be unique.	2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
2107		2725
2108	=over 4	2726	$facedata = Coro::Storable::thaw $facedata;
2109		2727
2110	=item $hashref = cf::db_get $family	2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2730
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key
2117
2118	Returns a single value from the database
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}	2731	{
		2732	my $faces = $facedata->{faceinfo};
2148		2733
2149	my $pid;	2734	while (my ($face, $info) = each %$faces) {
		2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
		2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2150		2740
2151	sub db_save() {	2741	cf::cede_to_tick;
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2742	}
2197	);
2198	}
2199		2743
2200	#############################################################################	2744	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2745	next unless $info->{smooth};
		2746	my $idx = cf::face::find $face
		2747	or next;
		2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
		2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2751	} else {
		2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2753	}
		2754
		2755	cf::cede_to_tick;
		2756	}
		2757	}
		2758
		2759	{
		2760	my $anims = $facedata->{animinfo};
		2761
		2762	while (my ($anim, $info) = each %$anims) {
		2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
		2798	}
		2799
		2800	1
		2801	}
		2802
		2803	sub reload_regions {
		2804	load_resource_file "$MAPDIR/regions"
		2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
		2811	}
		2812
		2813	sub reload_facedata {
		2814	load_facedata "$DATADIR/facedata"
		2815	or die "unable to load facedata\n";
		2816	}
		2817
		2818	sub reload_archetypes {
		2819	load_resource_file "$DATADIR/archetypes"
		2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
		2826	}
		2827
		2828	sub reload_treasures {
		2829	load_resource_file "$DATADIR/treasures"
		2830	or die "unable to load treasurelists\n";
		2831	}
		2832
		2833	sub reload_resources {
		2834	warn "reloading resource files...\n";
		2835
		2836	reload_regions;
		2837	reload_facedata;
		2838	#reload_archetypes;#d#
		2839	reload_archetypes;
		2840	reload_treasures;
		2841
		2842	warn "finished reloading resource files\n";
		2843	}
		2844
		2845	sub init {
		2846	reload_resources;
		2847	}
2202		2848
2203	sub cfg_load {	2849	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2851	or return;
2206		2852
2207	local $/;	2853	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2209		2855
…		…
2223		2869
2224	sub main {	2870	sub main {
2225	# we must not ever block the main coroutine	2871	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2872	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2874	(async {
2228	async { Event::one_event };	2875	Event::one_event;
		2876	})->prio (Coro::PRIO_MAX);
2229	};	2877	};
2230		2878
2231	cfg_load;	2879	cfg_load;
2232	db_load;	2880	db_init;
2233	load_extensions;	2881	load_extensions;
		2882
		2883	$TICK_WATCHER->start;
2234	Event::loop;	2884	Event::loop;
2235	}	2885	}
2236		2886
2237	#############################################################################	2887	#############################################################################
2238	# initialisation and cleanup	2888	# initialisation and cleanup
2239		2889
2240	# install some emergency cleanup handlers	2890	# install some emergency cleanup handlers
2241	BEGIN {	2891	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2892	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2893	Event->signal (
		2894	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2895	data => WF_AUTOCANCEL,
2245	signal => $signal,	2896	signal => $signal,
		2897	prio => 0,
2246	cb => sub {	2898	cb => sub {
2247	cf::cleanup "SIG$signal";	2899	cf::cleanup "SIG$signal";
2248	},	2900	},
2249	);	2901	);
2250	}	2902	}
2251	}	2903	}
2252		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
		2941	}
		2942
2253	sub emergency_save() {	2943	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2255		2945
2256	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2257		2947
2258	cf::sync_job {	2948	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2949	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2950	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2951	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2952	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2953	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2954	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2955	$pl->valid or next;
2266	$pl->save;	2956	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2962	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2963	$map->valid or next;
2274	$map->save;	2964	$map->save;
2275	}	2965	}
2276	warn "end emergency map save\n";	2966	warn "end emergency map save\n";
		2967
		2968	warn "begin emergency database checkpoint\n";
		2969	BDB::db_env_txn_checkpoint $DB_ENV;
		2970	warn "end emergency database checkpoint\n";
2277	};	2971	};
2278		2972
2279	warn "leave emergency perl save\n";	2973	warn "leave emergency perl save\n";
2280	}	2974	}
2281		2975
		2976	sub post_cleanup {
		2977	my ($make_core) = @_;
		2978
		2979	warn Carp::longmess "post_cleanup backtrace"
		2980	if $make_core;
		2981	}
		2982
2282	sub reload() {	2983	sub do_reload_perl() {
2283	# can/must only be called in main	2984	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2986	warn "can only reload from main coroutine";
2286	return;	2987	return;
2287	}	2988	}
2288		2989
2289	warn "reloading...";	2990	warn "reloading...";
2290		2991
2291	warn "freezing server";	2992	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2993
		2994	cf::sync_job {
		2995	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2996	cf::emergency_save;
		2997	cf::write_runtime; # external watchdog should not bark
2294		2998
2295	warn "sync database to disk";	2999	warn "syncing database to disk";
2296	cf::db_sync;	3000	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3001
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3002	# if anything goes wrong in here, we should simply crash as we already saved
2301		3003
2302	warn "cancel all watchers";	3004	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3005	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3006	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3007	}
2306		3008
		3009	warn "flushing outstanding aio requests";
		3010	for (;;) {
		3011	BDB::flush;
		3012	IO::AIO::flush;
		3013	Coro::cede;
		3014	last unless IO::AIO::nreqs || BDB::nreqs;
		3015	warn "iterate...";
		3016	}
		3017
		3018	++$RELOAD;
		3019
2307	warn "cancel all extension coros";	3020	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3022	%EXT_CORO = ();
2310		3023
2311	warn "remove commands";	3024	warn "removing commands";
2312	%COMMAND = ();	3025	%COMMAND = ();
2313		3026
2314	warn "remove ext commands";	3027	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2316		3030
2317	warn "unload/nuke all extensions";	3031	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3033	warn "... unloading $pkg";
2320		3034
2321	if (my $cb = $pkg->can ("unload")) {	3035	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3036	eval {
2323	$cb->($pkg);	3037	$cb->($pkg);
2324	1	3038	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3039	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3040	}
2327		3041
		3042	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3043	Symbol::delete_package $pkg;
2329	}	3044	}
2330		3045
2331	warn "unload all perl modules loaded from $LIBDIR";	3046	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3047	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3049
2335	warn "removing <$k>";	3050	warn "... unloading $k";
2336	delete $INC{$k};	3051	delete $INC{$k};
2337		3052
2338	$k =~ s/\.pm$//;	3053	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3054	$k =~ s/\//::/g;
2340		3055
…		…
2343	}	3058	}
2344		3059
2345	Symbol::delete_package $k;	3060	Symbol::delete_package $k;
2346	}	3061	}
2347		3062
2348	warn "get rid of safe::, as good as possible";	3063	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3066
2352	warn "unload cf.pm \"a bit\"";	3067	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2354		3070
2355	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3072	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2358		3074
		3075	warn "unload completed, starting to reload now";
		3076
2359	warn "reloading cf.pm";	3077	warn "reloading cf.pm";
2360	require cf;	3078	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3080
2363	warn "load config and database again";	3081	warn "loading config and database again";
2364	cf::cfg_load;	3082	cf::cfg_load;
2365	cf::db_load;
2366		3083
2367	warn "load extensions";	3084	warn "loading extensions";
2368	cf::load_extensions;	3085	cf::load_extensions;
2369		3086
2370	warn "reattach attachments to objects/players";	3087	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3088	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3089	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
2374	};	3091	warn "reattaching attachments to players";
		3092	reattach $_ for values %PLAYER;
2375		3093
2376	if ($@) {	3094	warn "leaving sync_job";
		3095
		3096	1
		3097	} or do {
2377	warn $@;	3098	warn $@;
2378	warn "error while reloading, exiting.";	3099	warn "error while reloading, exiting.";
2379	exit 1;	3100	exit 1;
2380	}	3101	};
2381		3102
2382	warn "reloaded";	3103	warn "reloaded";
2383	};	3104	};
2384		3105
2385	#############################################################################	3106	our $RELOAD_WATCHER; # used only during reload
2386		3107
2387	unless ($LINK_MAP) {	3108	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3109	# doing reload synchronously and two reloads happen back-to-back,
		3110	# coro crashes during coro_state_free->destroy here.
2389		3111
2390	$LINK_MAP->width (41);	3112	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3113	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3114	after => 0,
		3115	data => WF_AUTOCANCEL,
2400	cb => sub {	3116	cb => sub {
2401	$_[0]->w->cancel;	3117	do_reload_perl;
2402		3118	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3119	},
2421		3120	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3121	}
2427		3122
2428	register_command "reload" => sub {	3123	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2430		3125
2431	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3127	$who->message ("reloading server.");
		3128	async { reload_perl };
2435	}	3129	}
2436	};	3130	};
2437		3131
2438	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2439		3133
		3134	my $bug_warning = 0;
		3135
		3136	our @WAIT_FOR_TICK;
		3137	our @WAIT_FOR_TICK_BEGIN;
		3138
		3139	sub wait_for_tick {
		3140	return unless $TICK_WATCHER->is_active;
		3141	return if $Coro::current == $Coro::main;
		3142
		3143	my $signal = new Coro::Signal;
		3144	push @WAIT_FOR_TICK, $signal;
		3145	$signal->wait;
		3146	}
		3147
		3148	sub wait_for_tick_begin {
		3149	return unless $TICK_WATCHER->is_active;
		3150	return if $Coro::current == $Coro::main;
		3151
		3152	my $signal = new Coro::Signal;
		3153	push @WAIT_FOR_TICK_BEGIN, $signal;
		3154	$signal->wait;
		3155	}
		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3160	reentrant => 0,
		3161	parked => 1,
2442	prio => 0,	3162	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3164	data => WF_AUTOCANCEL,
2445	cb => sub {	3165	cb => sub {
		3166	if ($Coro::current != $Coro::main) {
		3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3168	unless ++$bug_warning > 10;
		3169	return;
		3170	}
		3171
		3172	$NOW = $tick_start = Event::time;
		3173
2446	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
		3198
2447	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2449		3201
2450	$WAIT_FOR_TICK->broadcast;	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3204	Coro::async_pool {
		3205	write_runtime
		3206	or warn "ERROR: unable to write runtime file: $!";
		3207	};
		3208	}
		3209
		3210	# my $AFTER = Event::time;
		3211	# warn $AFTER - $NOW;#d#
		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
2452		3221
2453	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3224
2456	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
		3227
		3228	$LOAD = ($NOW - $tick_start) / $TICK;
		3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3230
		3231	_post_tick;
		3232
		3233
2458	},	3234	},
2459	);	3235	);
2460		3236
		3237	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3238	BDB::max_poll_time $TICK * 0.1;
2462		3239	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3240	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3241	fd => BDB::poll_fileno,
2465	poll => 'r',	3242	poll => 'r',
2466	prio => 5,	3243	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3244	data => WF_AUTOCANCEL,
2473	after => 0,	3245	cb => \&BDB::poll_cb,
2474	interval => 10,	3246	);
2475	cb => sub {	3247	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3248
2477	write_runtime	3249	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3250	my $status;
		3251	my $current = $Coro::current;
		3252	(
		3253	sub {
		3254	$status = $!;
		3255	$current->ready; undef $current;
		3256	},
		3257	sub {
		3258	Coro::schedule while defined $current;
		3259	$! = $status;
		3260	},
		3261	)
		3262	};
		3263
		3264	unless ($DB_ENV) {
		3265	$DB_ENV = BDB::db_env_create;
		3266
		3267	cf::sync_job {
		3268	eval {
		3269	BDB::db_env_open
		3270	$DB_ENV,
		3271	$BDBDIR,
		3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3274	0666;
		3275
		3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3277
		3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3279	$DB_ENV->set_lk_detect;
		3280	};
		3281
		3282	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3283	};
2480	},	3284	}
2481	);	3285	}
		3286
		3287	{
		3288	IO::AIO::min_parallel 8;
		3289
		3290	undef $Coro::AIO::WATCHER;
		3291	IO::AIO::max_poll_time $TICK * 0.1;
		3292	$AIO_POLL_WATCHER = Event->io (
		3293	reentrant => 0,
		3294	data => WF_AUTOCANCEL,
		3295	fd => IO::AIO::poll_fileno,
		3296	poll => 'r',
		3297	prio => 6,
		3298	cb => \&IO::AIO::poll_cb,
		3299	);
		3300	}
		3301
		3302	my $_log_backtrace;
		3303
		3304	sub _log_backtrace {
		3305	my ($msg, @addr) = @_;
		3306
		3307	$msg =~ s/\n//;
		3308
		3309	# limit the # of concurrent backtraces
		3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
		3337	}
		3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
2482		3342
2483	END { cf::emergency_save }	3343	END { cf::emergency_save }
2484		3344
2485	1	3345	1
2486		3346

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