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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.305 by root, Thu Jul 12 08:40:14 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 ();
		27	use Data::Dumper;
20	use Digest::MD5;	28	use Digest::MD5;
21	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
22	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
25		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
26	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
27		43
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
30		46
31	$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
32		48
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		50
35	our %COMMAND = ();	51	our %COMMAND = ();
36	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
		53
		54	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
38		59
		60	our $RELOAD; # number of reloads so far
39	our @EVENT;	61	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		62
42	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(!)
43	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	79	our $NEXT_TICK;
45	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;
46		85
47	our %CFG;	86	our %CFG;
48		87
49	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	89	our $RUNTIME;
51		90
52	our %PLAYER; # all users	91	our %PLAYER; # all users
53	our %MAP; # all maps	92	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	94
56	our %EXT_CORO; # coroutines bound to extensions	95	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $tick_start; # for load detecting purposes
57		101
58	binmode STDOUT;	102	binmode STDOUT;
59	binmode STDERR;	103	binmode STDERR;
60		104
61	# read virtual server time, if available	105	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
66	}	110	}
67		111
68	mkdir cf::localdir;	112	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		114
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
77		118
78	#############################################################################	119	#############################################################################
79		120
80	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
81		122
…		…
88	=item $cf::RUNTIME	129	=item $cf::RUNTIME
89		130
90	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
91	every server tick.	132	every server tick.
92		133
93	=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
94		137
95	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		142
98	=item $cf::NOW	143	=item $cf::NOW
99		144
100	The time of the last (current) server tick.	145	The time of the last (current) server tick.
101		146
102	=item $cf::TICK	147	=item $cf::TICK
103		148
104	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.
105		160
106	=item %cf::CFG	161	=item %cf::CFG
107		162
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	164	from wherever your confdir points to.
		165
		166	=item cf::wait_for_tick, cf::wait_for_tick_begin
		167
		168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		169	returns directly I<after> the tick processing (and consequently, can only wake one process
		170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
110		171
111	=back	172	=back
112		173
113	=cut	174	=cut
114		175
115	BEGIN {	176	BEGIN {
116	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	178	my $msg = join "", @_;
118	utf8::encode $msg;
119		179
120	$msg .= "\n"	180	$msg .= "\n"
121	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
122		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
123	LOG llevError, $msg;	186	LOG llevError, $msg;
124	};	187	};
125	}	188	}
126		189
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		197
134	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	199	# within the Safe compartment.
136	for my $pkg (qw(	200	for my $pkg (qw(
137	cf::global cf::attachable	201	cf::global cf::attachable
…		…
146		210
147	$Event::DIED = sub {	211	$Event::DIED = sub {
148	warn "error in event callback: @_";	212	warn "error in event callback: @_";
149	};	213	};
150		214
151	my %ext_pkg;	215	#############################################################################
152	my @exts;
153	my @hook;
154		216
155	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
156		218
157	=over 4	219	=over 4
158		220
159	=cut	221	=item dumpval $ref
160		222
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	223	=cut
		224
		225	sub dumpval {
		226	eval {
		227	local $SIG{__DIE__};
		228	my $d;
		229	if (1) {
		230	$d = new Data::Dumper([$_[0]], ["*var"]);
		231	$d->Terse(1);
		232	$d->Indent(2);
		233	$d->Quotekeys(0);
		234	$d->Useqq(1);
		235	#$d->Bless(...);
		236	$d->Seen($_[1]) if @_ > 1;
		237	$d = $d->Dump();
		238	}
		239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		240	$d
		241	} || "[unable to dump $_[0]: '$@']";
		242	}
162		243
163	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
164		245
165	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
166		247
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
175		249
176	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
177		251
178	=cut	252	=cut
179		253
180	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
182	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
183	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
184		258
185	=item cf::lock_wait $string	259	=item cf::lock_wait $string
186		260
187	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
188		262
…		…
194	returned.	268	returned.
195		269
196	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
198		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
199	=cut	277	=cut
200		278
201	our %LOCK;	279	our %LOCK;
202		280
203	sub lock_wait($) {	281	sub lock_wait($) {
…		…
222	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
224	}	302	}
225	}	303	}
226		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
227	sub freeze_mainloop {	311	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
229		313
230	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
231	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
232	$guard	318	$guard
233	}	319	}
234		320
235	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
242		328
243	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
244		330
245	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
246		332
247	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
250		337
251	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
254	fast or be very important.	341	fast or be very important.
…		…
257		344
258	sub sync_job(&) {	345	sub sync_job(&) {
259	my ($job) = @_;	346	my ($job) = @_;
260		347
261	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
262	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
264		353
265	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
277		366
278	while ($busy) {	367	while ($busy) {
279	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
280	}	369	}
281		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
282	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
283	} else {	379	} else {
284	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
285		381
286	$job->()	382	$job->()
287	}	383	}
288	}	384	}
289		385
290	=item $coro = cf::async_ext { BLOCK }	386	=item $coro = cf::async_ext { BLOCK }
291		387
292	Like async, but this coro is automcatially being canceled when the	388	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	389	extension calling this is being unloaded.
294		390
295	=cut	391	=cut
296		392
297	sub async_ext(&) {	393	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
306		402
307	$coro	403	$coro
308	}	404	}
309		405
310	sub write_runtime {	406	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		407
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
314	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
315		412
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		414
320	aio_fsync $fh	415	sub _store_scalar {
321	and return;	416	open my $fh, ">", \my $buf
322		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
323	close $fh	419	close $fh;
324	or return;
325		420
326	aio_rename "$runtime~", $runtime	421	$buf
327	and return;	422	}
328		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
329	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	593	}
331		594
332	=back	595	=back
333		596
334	=cut	597	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		598
456	#############################################################################	599	#############################################################################
457		600
458	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
459		602
…		…
461	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
463		606
464	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	609	Crossfire TRT).
467		610
468	=over 4	611	=over 4
469		612
470	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
471		614
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	729	our @CB_MAP = ();
587		730
588	my %attachment;	731	my %attachment;
589		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
590	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
592		741
593	use sort 'stable';	742	use sort 'stable';
594		743
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
629		778
630	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		783
635	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	785	my $pkg = shift @arg;
637		786
638	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
668	}	817	}
669		818
670	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
671	} else {	820	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	822	}
674		823
675	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
676	}	825	}
677		826
…		…
679	if (ref $_[0]) {	828	if (ref $_[0]) {
680	_object_attach @_;	829	_object_attach @_;
681	} else {	830	} else {
682	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
683	}	832	}
		833	_recalc_want;
684	};	834	};
685		835
686	# all those should be optimised	836	# all those should be optimised
687	sub cf::attachable::detach {	837	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
692	reattach ($obj);	842	reattach ($obj);
693	} else {	843	} else {
694	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
695	}	845	}
		846	_recalc_want;
696	};	847	};
697		848
698	sub cf::attachable::attached {	849	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
700		851
…		…
765	# object support	916	# object support
766		917
767	sub reattach {	918	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		923
771	my $registry = $obj->registry;	924	my $registry = $obj->registry;
772		925
773	@$registry = ();	926	@$registry = ();
774		927
…		…
821	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
822		975
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	980	close $fh;
828		981
829	if (@$objs) {	982	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	988	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
837	}	990	}
838	} else {	991	} else {
839	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
871	or return;	1024	or return;
872	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1026	}
874		1027
875	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
877	return ($data, $av);	1030	return ($data, $av);
878	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
879		1038
880	#############################################################################	1039	#############################################################################
881	# command handling &c	1040	# command handling &c
882		1041
883	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1056	}
898		1057
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1059
901	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
902		1065
903	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
904	called.	1067	called.
905		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
906	=cut	1080	=cut
907		1081
908	sub register_extcmd {	1082	sub register_extcmd {
909	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
910		1084
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
915	}	1092	}
916		1093
917	cf::player->attach (	1094	cf::player->attach (
918	on_command => sub {	1095	on_command => sub {
919	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1105	cf::override;
929	},	1106	},
930	on_extcmd => sub {	1107	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
932		1109
933	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1111
935	if (ref $msg) {	1112	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	1116	}
940	}	1117	}
941	} else {	1118	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		1121
945	cf::override;	1122	cf::override;
946	},	1123	},
947	);	1124	);
948		1125
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
1026	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1131	next unless -r $path;
1028	eval {	1132
1029	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
1030	1	1190	}
1031	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
1032	}	1196	};
1033	}	1197	}
1034		1198
1035	#############################################################################	1199	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1200
1038	*cf::mapsupport::on_clean = sub {	1201	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1202
1073	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
1074		1204
1075	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
1076		1206
1077	=cut	1207	=cut
1078		1208
1079	package cf::player;	1209	package cf::player;
1080		1210
		1211	use Coro::AIO;
		1212
1081	=head3 cf::player	1213	=head3 cf::player
1082		1214
1083	=over 4	1215	=over 4
1084		1216
1085	=item cf::player::find $login	1217	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
1088		1220
1089	=cut	1221	=cut
1090		1222
1091	sub playerdir($) {	1223	sub playerdir($) {
1092	cf::localdir	1224	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1226	}
1098		1227
1099	sub path($) {	1228	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1230
1102	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
1103	}	1232	}
1104		1233
1105	sub find_active($) {	1234	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
1110		1239
1111	sub exists($) {	1240	sub exists($) {
1112	my ($login) = @_;	1241	my ($login) = @_;
1113		1242
1114	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
1116	}	1245	}
1117		1246
1118	sub find($) {	1247	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1249	my $login = $_[0];
1121		1250
1122	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
1123		1252
1124	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
1125	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
1126	or return;	1262	or return;
1127	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
1128	}	1264	}
1129	}	1265	}
…		…
1137	my $path = path $pl;	1273	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1274	my $guard = cf::lock_acquire "user_save:$path";
1139		1275
1140	return if $pl->{deny_save};	1276	return if $pl->{deny_save};
1141		1277
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1278	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1279	$pl->{last_save} = $cf::RUNTIME;
1144		1280
1145	$pl->save_pl ($path);	1281	$pl->save_pl ($path);
1146	Coro::cede;	1282	Coro::cede;
1147	}	1283	}
…		…
1157	$cf::PLAYER{$login} = $self;	1293	$cf::PLAYER{$login} = $self;
1158		1294
1159	$self	1295	$self
1160	}	1296	}
1161		1297
		1298	=item $pl->quit_character
		1299
		1300	Nukes the player without looking back. If logged in, the connection will
		1301	be destroyed. May block for a long time.
		1302
		1303	=cut
		1304
1162	sub quit_character {	1305	sub quit_character {
1163	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1164		1309
1165	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1167		1312
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1316	$pl->ns->destroy if $pl->ns;
1172		1317
1173	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1178	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
1179	}	1330	}
1180		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
		1344	}
		1345
		1346	=item cf::player::list_logins
		1347
		1348	Returns am arrayref of all valid playernames in the system, can take a
		1349	while and may block, so not sync_job-capable, ever.
		1350
		1351	=cut
		1352
		1353	sub list_logins {
		1354	my $dirs = aio_readdir $PLAYERDIR
		1355	or return [];
		1356
		1357	my @logins;
		1358
		1359	for my $login (@$dirs) {
		1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1361	aio_read $fh, 0, 512, my $buf, 0 or next;
		1362	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1363
		1364	utf8::decode $login;
		1365	push @logins, $login;
		1366	}
		1367
		1368	\@logins
		1369	}
		1370
		1371	=item $player->maps
		1372
		1373	Returns an arrayref of map paths that are private for this
		1374	player. May block.
		1375
		1376	=cut
		1377
		1378	sub maps($) {
		1379	my ($pl) = @_;
		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
		1382
		1383	my $files = aio_readdir playerdir $pl
		1384	or return;
		1385
		1386	my @paths;
		1387
		1388	for (@$files) {
		1389	utf8::decode $_;
		1390	next if /\.(?:pl|pst)$/;
		1391	next unless /^$PATH_SEP/o;
		1392
		1393	push @paths, cf::map::normalise "~$pl/$_";
		1394	}
		1395
		1396	\@paths
		1397	}
		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1182		1450
1183	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1184		1452
1185	=cut	1453	=cut
1186		1454
1187	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1188	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1189		1457
1190	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1191		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1192	$self->send ("ext " . cf::to_json \%msg);
1193	}	1460	}
1194		1461
1195	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->{match} && $path =~ $region->{match}) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1196		1502
1197	=back	1503	=back
1198
1199		1504
1200	=head3 cf::map	1505	=head3 cf::map
1201		1506
1202	=over 4	1507	=over 4
1203		1508
…		…
1206	package cf::map;	1511	package cf::map;
1207		1512
1208	use Fcntl;	1513	use Fcntl;
1209	use Coro::AIO;	1514	use Coro::AIO;
1210		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1211	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1213		1522
1214	sub generate_random_map {	1523	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1526	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
		1538	)
		1539	}
		1540
		1541	=item cf::map->register ($regex, $prio)
		1542
		1543	Register a handler for the map path matching the given regex at the
		1544	givne priority (higher is better, built-in handlers have priority 0, the
		1545	default).
		1546
		1547	=cut
		1548
		1549	sub register {
		1550	my (undef, $regex, $prio) = @_;
		1551	my $pkg = caller;
		1552
		1553	no strict;
		1554	push @{"$pkg\::ISA"}, __PACKAGE__;
		1555
		1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1557	}
		1558
		1559	# also paths starting with '/'
		1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1561
		1562	sub thawer_merge {
		1563	my ($self, $merge) = @_;
		1564
		1565	# we have to keep some variables in memory intact
		1566	local $self->{path};
		1567	local $self->{load_path};
		1568
		1569	$self->SUPER::thawer_merge ($merge);
		1570	}
		1571
		1572	sub normalise {
		1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
		1578
		1579	# map plan:
		1580	#
		1581	# /! non-realised random map exit (special hack!)
		1582	# {... are special paths that are not being touched
		1583	# ?xxx/... are special absolute paths
		1584	# ?random/... random maps
		1585	# /... normal maps
		1586	# ~user/... per-player map of a specific user
		1587
		1588	$path =~ s/$PATH_SEP/\//go;
		1589
		1590	# treat it as relative path if it starts with
		1591	# something that looks reasonable
		1592	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1593	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1594
		1595	$base =~ s{[^/]+/?$}{};
		1596	$path = "$base/$path";
		1597	}
		1598
		1599	for ($path) {
		1600	redo if s{//}{/};
		1601	redo if s{/\.?/}{/};
		1602	redo if s{/[^/]+/\.\./}{/};
		1603	}
		1604
		1605	$path
		1606	}
		1607
		1608	sub new_from_path {
		1609	my (undef, $path, $base) = @_;
		1610
		1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1612
		1613	$path = normalise $path, $base;
		1614
		1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1617	my $self = bless cf::map::new, $pkg;
		1618	$self->{path} = $path; $self->path ($path);
		1619	$self->init; # pass $1 etc.
		1620	return $self;
		1621	}
		1622	}
		1623
		1624	Carp::carp "unable to resolve path '$path' (base '$base').";
		1625	()
		1626	}
		1627
		1628	sub init {
		1629	my ($self) = @_;
		1630
		1631	$self
		1632	}
		1633
		1634	sub as_string {
		1635	my ($self) = @_;
		1636
		1637	"$self->{path}"
		1638	}
		1639
		1640	# the displayed name, this is a one way mapping
		1641	sub visible_name {
		1642	&as_string
		1643	}
		1644
		1645	# the original (read-only) location
		1646	sub load_path {
		1647	my ($self) = @_;
		1648
		1649	"$MAPDIR/$self->{path}.map"
		1650	}
		1651
		1652	# the temporary/swap location
		1653	sub save_path {
		1654	my ($self) = @_;
		1655
		1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1657	"$TMPDIR/$path.map"
		1658	}
		1659
		1660	# the unique path, undef == no special unique path
		1661	sub uniq_path {
		1662	my ($self) = @_;
		1663
		1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1665	"$UNIQUEDIR/$path"
1231	}	1666	}
1232		1667
1233	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1234	# all maps in C++...	1669	# all maps in C++...
1235	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1237		1672
1238	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1240	}	1675	}
1241		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
		1685	sub unlink_save {
		1686	my ($self) = @_;
		1687
		1688	utf8::encode (my $save = $self->save_path);
		1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1691	}
		1692
1242	sub try_load_header($) {	1693	sub load_header_from($) {
1243	my ($path) = @_;	1694	my ($self, $path) = @_;
1244		1695
1245	utf8::encode $path;	1696	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1247	or return;	1701	or return;
1248		1702
1249	my $map = cf::map::new	1703	$self->{load_path} = $path;
		1704
		1705	1
		1706	}
		1707
		1708	sub load_header_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->load_header_from ($self->load_path)
		1712	}
		1713
		1714	sub load_header_temp {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->save_path)
		1718	}
		1719
		1720	sub prepare_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->last_access ((delete $self->{last_access})
		1724	|| $cf::RUNTIME); #d#
		1725	# safety
		1726	$self->{instantiate_time} = $cf::RUNTIME
		1727	if $self->{instantiate_time} > $cf::RUNTIME;
		1728	}
		1729
		1730	sub prepare_orig {
		1731	my ($self) = @_;
		1732
		1733	$self->{load_original} = 1;
		1734	$self->{instantiate_time} = $cf::RUNTIME;
		1735	$self->last_access ($cf::RUNTIME);
		1736	$self->instantiate;
		1737	}
		1738
		1739	sub load_header {
		1740	my ($self) = @_;
		1741
		1742	if ($self->load_header_temp) {
		1743	$self->prepare_temp;
		1744	} else {
		1745	$self->load_header_orig
1250	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1251		1749
1252	# for better error messages only, will be overwritten	1750	$self->{deny_reset} = 1
1253	$map->path ($path);	1751	if $self->no_reset;
1254		1752
1255	$map->load_header ($path)	1753	$self->default_region (cf::region::find_by_path $self->{path})
1256	or return;	1754	unless $self->default_region;
1257		1755
1258	$map->{load_path} = $path;	1756	1
1259
1260	$map
1261	}	1757	}
1262		1758
1263	sub find;	1759	sub find;
1264	sub find {	1760	sub find {
1265	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1266		1762
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1764
1272	cf::lock_wait "map_find:$key";	1765	cf::lock_wait "map_find:$path";
1273		1766
1274	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1768	my $guard = cf::lock_acquire "map_find:$path";
1276		1769	my $map = new_from_path cf::map $path
1277	# do it the slow way
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1770	or return;
1296		1771
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1309		1773
1310	Coro::cede;	1774	$map->load_header
		1775	or return;
1311		1776
1312	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1778	# doing this can freeze the server in a sync job, obviously
		1779	#$cf::WAIT_FOR_TICK->wait;
1313	$map->reset;	1780	$map->reset;
1314	undef $guard;	1781	undef $guard;
1315	$map = find $path	1782	return find $path;
1316	or return;
1317	}	1783	}
1318		1784
1319	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1320	}	1786	}
1321	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1322		1791
1323	sub load {	1792	sub load {
1324	my ($self) = @_;	1793	my ($self) = @_;
1325		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1326	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1800	my $guard = cf::lock_acquire "map_load:$path";
1328		1801
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1803
1331	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1332		1805
1333	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1334	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1812	or return;
1336		1813
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1815	if delete $self->{load_original};
1339		1816
1340	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1818	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1820	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1345	}	1822	}
1346	}	1823	}
1347		1824
1348	Coro::cede;	1825	Coro::cede;
1349
1350	# now do the right thing for maps	1826	# now do the right thing for maps
1351	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1352
1353	if ($self->{path}->is_style_map) {
1354	$self->{deny_save} = 1;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;
1360	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1829	unless $self->difficulty;
		1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1363	$self->activate;	1839	$self->activate;
1364	}	1840	}
1365		1841
1366	Coro::cede;
1367
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
		1846	}
		1847
		1848	sub customise_for {
		1849	my ($self, $ob) = @_;
		1850
		1851	return find "~" . $ob->name . "/" . $self->{path}
		1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
		1856
		1857	$self
		1858	}
		1859
		1860	# find and load all maps in the 3x3 area around a map
		1861	sub load_diag {
		1862	my ($map) = @_;
		1863
		1864	my @diag; # diagonal neighbours
		1865
		1866	for (0 .. 3) {
		1867	my $neigh = $map->tile_path ($_)
		1868	or next;
		1869	$neigh = find $neigh, $map
		1870	or next;
		1871	$neigh->load;
		1872
		1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1875	}
		1876
		1877	for (@diag) {
		1878	my $neigh = find @$_
		1879	or next;
		1880	$neigh->load;
		1881	}
1369	}	1882	}
1370		1883
1371	sub find_sync {	1884	sub find_sync {
1372	my ($path, $origin) = @_;	1885	my ($path, $origin) = @_;
1373		1886
1374	cf::sync_job { cf::map::find $path, $origin }	1887	cf::sync_job { find $path, $origin }
1375	}	1888	}
1376		1889
1377	sub do_load_sync {	1890	sub do_load_sync {
1378	my ($map) = @_;	1891	my ($map) = @_;
1379		1892
1380	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1381	}	1894	}
1382		1895
		1896	our %MAP_PREFETCH;
		1897	our $MAP_PREFETCHER = undef;
		1898
		1899	sub find_async {
		1900	my ($path, $origin) = @_;
		1901
		1902	$path = normalise $path, $origin && $origin->{path};
		1903
		1904	if (my $map = $cf::MAP{$path}) {
		1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1906	}
		1907
		1908	undef $MAP_PREFETCH{$path};
		1909	$MAP_PREFETCHER ||= cf::async {
		1910	while (%MAP_PREFETCH) {
		1911	for my $path (keys %MAP_PREFETCH) {
		1912	my $map = find $path
		1913	or next;
		1914	$map->load;
		1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
		1920	};
		1921	$MAP_PREFETCHER->prio (6);
		1922
		1923	()
		1924	}
		1925
1383	sub save {	1926	sub save {
1384	my ($self) = @_;	1927	my ($self) = @_;
1385		1928
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1930
1388	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1389		1932
1390	return unless $self->dirty;	1933	return unless $self->dirty;
1391		1934
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1935	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1937
1395	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1396		1939
1397	return if $self->{deny_save};	1940	return if $self->{deny_save};
1398		1941
…		…
1401	cf::async {	1944	cf::async {
1402	$_->contr->save for $self->players;	1945	$_->contr->save for $self->players;
1403	};	1946	};
1404		1947
1405	if ($uniq) {	1948	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1951	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1953	}
1411	}	1954	}
1412		1955
1413	sub swap_out {	1956	sub swap_out {
1414	my ($self) = @_;	1957	my ($self) = @_;
…		…
1428		1971
1429	sub reset_at {	1972	sub reset_at {
1430	my ($self) = @_;	1973	my ($self) = @_;
1431		1974
1432	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};
1434	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1435		1977
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1980
…		…
1443	my ($self) = @_;	1985	my ($self) = @_;
1444		1986
1445	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1446	}	1988	}
1447		1989
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	1990	sub reset {
1470	my ($self) = @_;	1991	my ($self) = @_;
1471		1992
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1994
1474	return if $self->players;	1995	return if $self->players;
1475	return if $self->{path}{user_rel};#d#
1476		1996
1477	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1478		2008
1479	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
		2010
		2011	$self->clear;
1480		2012
1481	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1482		2014
1483	$self->unlink_save;	2015	$self->unlink_save;
1484	$self->destroy;	2016	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1488		2020
1489	sub nuke {	2021	sub nuke {
1490	my ($self) = @_;	2022	my ($self) = @_;
1491		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1495	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1496	}	2037	}
1497		2038
1498	sub customise_for {	2039	=item $maps = cf::map::tmp_maps
1499	my ($map, $ob) = @_;
1500		2040
1501	if ($map->per_player) {	2041	Returns an arrayref with all map paths of currently instantiated and saved
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
1503	}	2047	[
1504		2048	map {
1505	$map	2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
1506	}	2055	}
1507		2056
1508	sub emergency_save {	2057	=item $maps = cf::map::random_maps
1509	my $freeze_guard = cf::freeze_mainloop;
1510		2058
1511	warn "enter emergency perl save\n";	2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
1512		2061
1513	cf::sync_job {	2062	=cut
1514	warn "begin emergency player save\n";
1515	$_->save for values %cf::PLAYER;
1516	warn "end emergency player save\n";
1517		2063
1518	warn "begin emergency map save\n";	2064	sub random_maps() {
1519	$_->save for values %cf::MAP;	2065	[
1520	warn "end emergency map save\n";	2066	map {
1521	};	2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
1522		2074
1523	warn "leave emergency perl save\n";	2075	=item cf::map::unique_maps
		2076
		2077	Returns an arrayref of paths of all shared maps that have
		2078	instantiated unique items. May block.
		2079
		2080	=cut
		2081
		2082	sub unique_maps() {
		2083	[
		2084	map {
		2085	utf8::decode $_;
		2086	/\.map$/
		2087	? normalise $_
		2088	: ()
		2089	} @{ aio_readdir $UNIQUEDIR or [] }
		2090	]
1524	}	2091	}
1525		2092
1526	package cf;	2093	package cf;
1527		2094
1528	=back	2095	=back
1529		2096
		2097	=head3 cf::object
		2098
		2099	=cut
		2100
		2101	package cf::object;
		2102
		2103	=over 4
		2104
		2105	=item $ob->inv_recursive
		2106
		2107	Returns the inventory of the object _and_ their inventories, recursively.
		2108
		2109	=cut
		2110
		2111	sub inv_recursive_;
		2112	sub inv_recursive_ {
		2113	map { $_, inv_recursive_ $_->inv } @_
		2114	}
		2115
		2116	sub inv_recursive {
		2117	inv_recursive_ inv $_[0]
		2118	}
		2119
		2120	package cf;
		2121
		2122	=back
1530		2123
1531	=head3 cf::object::player	2124	=head3 cf::object::player
1532		2125
1533	=over 4	2126	=over 4
1534		2127
…		…
1548		2141
1549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550		2143
1551	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1553	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1554	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1555	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1556	}	2163	}
1557	}	2164	}
1558		2165
1559	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1560		2167
…		…
1574		2181
1575	=item $player_object->enter_link	2182	=item $player_object->enter_link
1576		2183
1577	Freezes the player and moves him/her to a special map (C<{link}>).	2184	Freezes the player and moves him/her to a special map (C<{link}>).
1578		2185
1579	The player should be reaosnably safe there for short amounts of time. You	2186	The player should be reasonably safe there for short amounts of time. You
1580	I<MUST> call C<leave_link> as soon as possible, though.	2187	I<MUST> call C<leave_link> as soon as possible, though.
1581		2188
		2189	Will never block.
		2190
1582	=item $player_object->leave_link ($map, $x, $y)	2191	=item $player_object->leave_link ($map, $x, $y)
1583		2192
1584	Moves the player out of the specila link map onto the given map. If the	2193	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	2194	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	2195	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	2196	fails, to the emergency map position.
1588		2197
1589	Might block.	2198	Might block.
1590		2199
1591	=cut	2200	=cut
		2201
		2202	sub link_map {
		2203	unless ($LINK_MAP) {
		2204	$LINK_MAP = cf::map::find "{link}"
		2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2206	$LINK_MAP->load;
		2207	}
		2208
		2209	$LINK_MAP
		2210	}
1592		2211
1593	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1594	my ($self) = @_;	2213	my ($self) = @_;
1595		2214
1596	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1597		2216
1598	return if $self->map == $LINK_MAP;	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		2218
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1602		2221
1603	$self->enter_map ($LINK_MAP, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	2223	}
1605		2224
1606	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1608		2229
1609	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1610		2231
1611	unless ($map) {	2232	unless ($map) {
1612	# restore original map position	2233	# restore original map position
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	2247	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	2248	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	2249	if $x <=0 && $y <= 0;
1629		2250
1630	$map->load;	2251	$map->load;
		2252	$map->load_diag;
1631		2253
1632	return unless $self->contr->active;	2254	return unless $self->contr->active;
1633	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1635	}	2259	}
1636		2260
1637	cf::player->attach (
1638	on_logout => sub {
1639	my ($pl) = @_;
1640
1641	# abort map switching before logout
1642	if ($pl->ob->{_link_pos}) {
1643	cf::sync_job {
1644	$pl->ob->leave_link
1645	};
1646	}
1647	},
1648	on_login => sub {
1649	my ($pl) = @_;
1650
1651	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;
1655	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);
1662	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;
1664	})->prio (2);
1665	}
1666	},
1667	);
1668
1669	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1670		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1671	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1672		2271
1673	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1675		2277
1676	$self->enter_link;	2278	$self->enter_link;
1677		2279
1678	(async {	2280	(async {
1679	$path = new cf::path $path;	2281	my $map = eval {
1680
1681	my $map = cf::map::find $path->as_string;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1682	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1683		2286	$map = $check->($map) if $check && $map;
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1685	# if $map;
1686
1687	$map or $map->cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
1689		2290
		2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
		2297	}
		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1690	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1691	})->prio (1);	2303	})->prio (1);
1692	}	2304	}
1693		2305
1694	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1695		2307
…		…
1697		2309
1698	sub parse_random_map_params {	2310	sub parse_random_map_params {
1699	my ($spec) = @_;	2311	my ($spec) = @_;
1700		2312
1701	my $rmp = { # defaults	2313	my $rmp = { # defaults
1702	xsize => 10,	2314	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	2315	ysize => (cf::rndm 15, 40),
		2316	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2317	#layout => string,
1704	};	2318	};
1705		2319
1706	for (split /\n/, $spec) {	2320	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	2321	my ($k, $v) = split /\s+/, $_, 2;
1708		2322
…		…
1712	$rmp	2326	$rmp
1713	}	2327	}
1714		2328
1715	sub prepare_random_map {	2329	sub prepare_random_map {
1716	my ($exit) = @_;	2330	my ($exit) = @_;
		2331
		2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		2333
1718	# all this does is basically replace the /! path by	2334	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	2335	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	2336	# that depends on the exit object
1721		2337
1722	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1723		2339
1724	if ($exit->map) {	2340	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1729	}	2345	}
1730		2346
1731	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1732		2348
1733	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
		2351	my $meta = "$RANDOMDIR/$md5.meta";
1735		2352
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
		2355	undef $fh;
		2356	aio_rename "$meta~", $meta;
1738		2357
1739	$exit->slaying ("?random/$md5");	2358	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	2359	$exit->msg (undef);
1741	}	2360	}
1742	}	2361	}
…		…
1744	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1746		2365
1747	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1748		2367
		2368	if ($exit->slaying eq "/!") {
		2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
		2372	cf::sync_job { prepare_random_map $exit };
		2373	}
		2374
		2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2376	my $hp = $exit->stats->hp;
		2377	my $sp = $exit->stats->sp;
		2378
1749	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1750		2384
1751	(async {	2385	(async {
1752	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	2387	unless (eval {
1754	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1755	if $exit->slaying eq "/!";
1756
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		2389
1760	1;	2390	1;
1761	}) {	2391	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	2394	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2396
1767	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	2398	$self->leave_link;
1769	}	2399	}
1770	})->prio (1);	2400	})->prio (1);
…		…
1783		2413
1784	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1786		2416
1787	utf8::encode $text;	2417	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2419	}
1790		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	return unless $self->extcmd;
		2471
		2472	$msg{msgtype} = "event_$type";
		2473	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2474	}
1791		2475
1792	=item $success = $client->query ($flags, "text", \&cb)	2476	=item $success = $client->query ($flags, "text", \&cb)
1793		2477
1794	Queues a query to the client, calling the given callback with	2478	Queues a query to the client, calling the given callback with
1795	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2479	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1796	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2480	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1797		2481
1798	Queries can fail, so check the return code. Or don't, as queries will become	2482	Queries can fail, so check the return code. Or don't, as queries will
1799	reliable at some point in the future.	2483	become reliable at some point in the future.
1800		2484
1801	=cut	2485	=cut
1802		2486
1803	sub cf::client::query {	2487	sub cf::client::query {
1804	my ($self, $flags, $text, $cb) = @_;	2488	my ($self, $flags, $text, $cb) = @_;
…		…
1812	utf8::encode $text;	2496	utf8::encode $text;
1813	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2497	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1814		2498
1815	$self->send_packet ($self->{query_queue}[0][0])	2499	$self->send_packet ($self->{query_queue}[0][0])
1816	if @{ $self->{query_queue} } == 1;	2500	if @{ $self->{query_queue} } == 1;
		2501
		2502	1
1817	}	2503	}
1818		2504
1819	cf::client->attach (	2505	cf::client->attach (
		2506	on_connect => sub {
		2507	my ($ns) = @_;
		2508
		2509	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2510	},
1820	on_reply => sub {	2511	on_reply => sub {
1821	my ($ns, $msg) = @_;	2512	my ($ns, $msg) = @_;
1822		2513
1823	# this weird shuffling is so that direct followup queries	2514	# this weird shuffling is so that direct followup queries
1824	# get handled first	2515	# get handled first
1825	my $queue = delete $ns->{query_queue}	2516	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2517	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2518
1828	(shift @$queue)->[1]->($msg);	2519	(shift @$queue)->[1]->($msg);
		2520	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2521
1830	push @{ $ns->{query_queue} }, @$queue;	2522	push @{ $ns->{query_queue} }, @$queue;
1831		2523
1832	if (@{ $ns->{query_queue} } == @$queue) {	2524	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2525	if (@$queue) {
…		…
1835	} else {	2527	} else {
1836	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2528	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1837	}	2529	}
1838	}	2530	}
1839	},	2531	},
		2532	on_exticmd => sub {
		2533	my ($ns, $buf) = @_;
		2534
		2535	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2536
		2537	if (ref $msg) {
		2538	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2539	if (my %reply = $cb->($ns, $msg)) {
		2540	$reply{msgid} = $msg->{msgid};
		2541	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2542	}
		2543	}
		2544	} else {
		2545	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2546	}
		2547
		2548	cf::override;
		2549	},
1840	);	2550	);
1841		2551
1842	=item $client->async (\&cb)	2552	=item $client->async (\&cb)
1843		2553
1844	Create a new coroutine, running the specified callback. The coroutine will	2554	Create a new coroutine, running the specified callback. The coroutine will
…		…
1891		2601
1892	# here we export the classes and methods available to script code	2602	# here we export the classes and methods available to script code
1893		2603
1894	=pod	2604	=pod
1895		2605
1896	The following fucntions and emthods are available within a safe environment:	2606	The following functions and methods are available within a safe environment:
1897		2607
1898	cf::object contr pay_amount pay_player map	2608	cf::object
		2609	contr pay_amount pay_player map x y force_find force_add
		2610	insert remove
		2611
1899	cf::object::player player	2612	cf::object::player
1900	cf::player peaceful	2613	player
1901	cf::map trigger	2614
		2615	cf::player
		2616	peaceful
		2617
		2618	cf::map
		2619	trigger
1902		2620
1903	=cut	2621	=cut
1904		2622
1905	for (	2623	for (
1906	["cf::object" => qw(contr pay_amount pay_player map)],	2624	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2625	insert remove)],
1907	["cf::object::player" => qw(player)],	2626	["cf::object::player" => qw(player)],
1908	["cf::player" => qw(peaceful)],	2627	["cf::player" => qw(peaceful)],
1909	["cf::map" => qw(trigger)],	2628	["cf::map" => qw(trigger)],
1910	) {	2629	) {
1911	no strict 'refs';	2630	no strict 'refs';
…		…
1982	=back	2701	=back
1983		2702
1984	=cut	2703	=cut
1985		2704
1986	#############################################################################	2705	#############################################################################
		2706	# the server's init and main functions
1987		2707
1988	=head2 EXTENSION DATABASE SUPPORT	2708	sub load_facedata($) {
		2709	my ($path) = @_;
1989		2710
1990	Crossfire maintains a very simple database for extension use. It can	2711	warn "loading facedata from $path\n";
1991	currently store anything that can be serialised using Storable, which
1992	excludes objects.
1993		2712
1994	The parameter C<$family> should best start with the name of the extension	2713	my $facedata;
1995	using it, it should be unique.	2714	0 < aio_load $path, $facedata
		2715	or die "$path: $!";
1996		2716
1997	=over 4	2717	$facedata = Coro::Storable::thaw $facedata;
1998		2718
1999	=item $hashref = cf::db_get $family	2719	$facedata->{version} == 2
		2720	or cf::cleanup "$path: version mismatch, cannot proceed.";
2000		2721
2001	Return a hashref for use by the extension C<$family>, which can be
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004
2005	=item $value = cf::db_get $family => $key
2006
2007	Returns a single value from the database
2008
2009	=item cf::db_put $family => $hashref
2010
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013
2014	=item cf::db_put $family => $key => $value
2015
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026
2027	=cut
2028
2029	our $DB;
2030
2031	{
2032	my $path = cf::localdir . "/database.pst";
2033
2034	sub db_load() {
2035	$DB = stat $path ? Storable::retrieve $path : { };
2036	}	2722	{
		2723	my $faces = $facedata->{faceinfo};
2037		2724
2038	my $pid;	2725	while (my ($face, $info) = each %$faces) {
		2726	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2727	cf::face::set_visibility $idx, $info->{visibility};
		2728	cf::face::set_magicmap $idx, $info->{magicmap};
		2729	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2730	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2039		2731
2040	sub db_save() {	2732	cf::cede_to_tick;
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});
2060
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}
2065
2066	sub db_get($;$) {
2067	@_ >= 2
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071
2072	sub db_put($$;$) {
2073	if (@_ >= 3) {
2074	$DB->{$_[0]}{$_[1]} = $_[2];
2075	} else {
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080
2081	cf::global->attach (
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	2733	}
2086	);
2087	}
2088		2734
2089	#############################################################################	2735	while (my ($face, $info) = each %$faces) {
2090	# the server's main()	2736	next unless $info->{smooth};
		2737	my $idx = cf::face::find $face
		2738	or next;
		2739	if (my $smooth = cf::face::find $info->{smooth}) {
		2740	cf::face::set_smooth $idx, $smooth;
		2741	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2742	} else {
		2743	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2744	}
		2745
		2746	cf::cede_to_tick;
		2747	}
		2748	}
		2749
		2750	{
		2751	my $anims = $facedata->{animinfo};
		2752
		2753	while (my ($anim, $info) = each %$anims) {
		2754	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2755	cf::cede_to_tick;
		2756	}
		2757
		2758	cf::anim::invalidate_all; # d'oh
		2759	}
		2760
		2761	{
		2762	# TODO: for gcfclient pleasure, we should give resources
		2763	# that gcfclient doesn't grok a >10000 face index.
		2764	my $res = $facedata->{resource};
		2765	my $enc = JSON::XS->new->utf8->canonical;
		2766
		2767	while (my ($name, $info) = each %$res) {
		2768	my $meta = $enc->encode ({
		2769	name => $name,
		2770	type => $info->{type},
		2771	copyright => $info->{copyright}, #TODO#
		2772	});
		2773	my $data = pack "(w/a*)*", $meta, $info->{data};
		2774	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2775
		2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2777	cf::face::set_type $idx, 1;
		2778	cf::face::set_data $idx, 0, $data, $chk;
		2779
		2780	cf::cede_to_tick;
		2781	}
		2782	}
		2783
		2784	1
		2785	}
		2786
		2787	sub reload_regions {
		2788	load_resource_file "$MAPDIR/regions"
		2789	or die "unable to load regions file\n";
		2790
		2791	for (cf::region::list) {
		2792	$_->{match} = qr/$_->{match}/
		2793	if exists $_->{match};
		2794	}
		2795	}
		2796
		2797	sub reload_facedata {
		2798	load_facedata "$DATADIR/facedata"
		2799	or die "unable to load facedata\n";
		2800	}
		2801
		2802	sub reload_archetypes {
		2803	load_resource_file "$DATADIR/archetypes"
		2804	or die "unable to load archetypes\n";
		2805	#d# NEED to laod twice to resolve forward references
		2806	# this really needs to be done in an extra post-pass
		2807	# (which needs to be synchronous, so solve it differently)
		2808	load_resource_file "$DATADIR/archetypes"
		2809	or die "unable to load archetypes\n";
		2810	}
		2811
		2812	sub reload_treasures {
		2813	load_resource_file "$DATADIR/treasures"
		2814	or die "unable to load treasurelists\n";
		2815	}
		2816
		2817	sub reload_resources {
		2818	warn "reloading resource files...\n";
		2819
		2820	reload_regions;
		2821	reload_facedata;
		2822	#reload_archetypes;#d#
		2823	reload_archetypes;
		2824	reload_treasures;
		2825
		2826	warn "finished reloading resource files\n";
		2827	}
		2828
		2829	sub init {
		2830	reload_resources;
		2831	}
2091		2832
2092	sub cfg_load {	2833	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2834	open my $fh, "<:utf8", "$CONFDIR/config"
2094	or return;	2835	or return;
2095		2836
2096	local $/;	2837	local $/;
2097	*CFG = YAML::Syck::Load <$fh>;	2838	*CFG = YAML::Syck::Load <$fh>;
2098		2839
…		…
2112		2853
2113	sub main {	2854	sub main {
2114	# we must not ever block the main coroutine	2855	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2856	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2857	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2858	(async {
2117	async { Event::one_event };	2859	Event::one_event;
		2860	})->prio (Coro::PRIO_MAX);
2118	};	2861	};
2119		2862
2120	cfg_load;	2863	cfg_load;
2121	db_load;	2864	db_init;
2122	load_extensions;	2865	load_extensions;
		2866
		2867	$TICK_WATCHER->start;
2123	Event::loop;	2868	Event::loop;
2124	}	2869	}
2125		2870
2126	#############################################################################	2871	#############################################################################
2127	# initialisation	2872	# initialisation and cleanup
2128		2873
		2874	# install some emergency cleanup handlers
		2875	BEGIN {
		2876	for my $signal (qw(INT HUP TERM)) {
		2877	Event->signal (
		2878	reentrant => 0,
		2879	data => WF_AUTOCANCEL,
		2880	signal => $signal,
		2881	prio => 0,
		2882	cb => sub {
		2883	cf::cleanup "SIG$signal";
		2884	},
		2885	);
		2886	}
		2887	}
		2888
		2889	sub write_runtime {
		2890	my $runtime = "$LOCALDIR/runtime";
		2891
		2892	# first touch the runtime file to show we are still running:
		2893	# the fsync below can take a very very long time.
		2894
		2895	IO::AIO::aio_utime $runtime, undef, undef;
		2896
		2897	my $guard = cf::lock_acquire "write_runtime";
		2898
		2899	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2900	or return;
		2901
		2902	my $value = $cf::RUNTIME + 90 + 10;
		2903	# 10 is the runtime save interval, for a monotonic clock
		2904	# 60 allows for the watchdog to kill the server.
		2905
		2906	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2907	and return;
		2908
		2909	# always fsync - this file is important
		2910	aio_fsync $fh
		2911	and return;
		2912
		2913	# touch it again to show we are up-to-date
		2914	aio_utime $fh, undef, undef;
		2915
		2916	close $fh
		2917	or return;
		2918
		2919	aio_rename "$runtime~", $runtime
		2920	and return;
		2921
		2922	warn "runtime file written.\n";
		2923
		2924	1
		2925	}
		2926
		2927	sub emergency_save() {
		2928	my $freeze_guard = cf::freeze_mainloop;
		2929
		2930	warn "enter emergency perl save\n";
		2931
		2932	cf::sync_job {
		2933	# use a peculiar iteration method to avoid tripping on perl
		2934	# refcount bugs in for. also avoids problems with players
		2935	# and maps saved/destroyed asynchronously.
		2936	warn "begin emergency player save\n";
		2937	for my $login (keys %cf::PLAYER) {
		2938	my $pl = $cf::PLAYER{$login} or next;
		2939	$pl->valid or next;
		2940	$pl->save;
		2941	}
		2942	warn "end emergency player save\n";
		2943
		2944	warn "begin emergency map save\n";
		2945	for my $path (keys %cf::MAP) {
		2946	my $map = $cf::MAP{$path} or next;
		2947	$map->valid or next;
		2948	$map->save;
		2949	}
		2950	warn "end emergency map save\n";
		2951
		2952	warn "begin emergency database checkpoint\n";
		2953	BDB::db_env_txn_checkpoint $DB_ENV;
		2954	warn "end emergency database checkpoint\n";
		2955	};
		2956
		2957	warn "leave emergency perl save\n";
		2958	}
		2959
		2960	sub post_cleanup {
		2961	my ($make_core) = @_;
		2962
		2963	warn Carp::longmess "post_cleanup backtrace"
		2964	if $make_core;
		2965	}
		2966
2129	sub reload() {	2967	sub do_reload_perl() {
2130	# can/must only be called in main	2968	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2969	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2970	warn "can only reload from main coroutine";
2133	return;	2971	return;
2134	}	2972	}
2135		2973
2136	warn "reloading...";	2974	warn "reloading...";
2137		2975
2138	my $guard = freeze_mainloop;	2976	warn "entering sync_job";
		2977
		2978	cf::sync_job {
		2979	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	2980	cf::emergency_save;
		2981	cf::write_runtime; # external watchdog should not bark
2140		2982
2141	eval {	2983	warn "syncing database to disk";
		2984	BDB::db_env_txn_checkpoint $DB_ENV;
		2985
2142	# if anything goes wrong in here, we should simply crash as we already saved	2986	# if anything goes wrong in here, we should simply crash as we already saved
2143		2987
2144	# cancel all watchers	2988	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2989	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2990	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2991	}
2148		2992
		2993	warn "flushing outstanding aio requests";
		2994	for (;;) {
		2995	BDB::flush;
		2996	IO::AIO::flush;
		2997	Coro::cede;
		2998	last unless IO::AIO::nreqs || BDB::nreqs;
		2999	warn "iterate...";
		3000	}
		3001
		3002	++$RELOAD;
		3003
2149	# cancel all extension coros	3004	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	3005	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	3006	%EXT_CORO = ();
2152		3007
2153	# unload all extensions	3008	warn "removing commands";
2154	for (@exts) {	3009	%COMMAND = ();
		3010
		3011	warn "removing ext/exti commands";
		3012	%EXTCMD = ();
		3013	%EXTICMD = ();
		3014
		3015	warn "unloading/nuking all extensions";
		3016	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	3017	warn "... unloading $pkg";
2156	unload_extension $_;	3018
		3019	if (my $cb = $pkg->can ("unload")) {
		3020	eval {
		3021	$cb->($pkg);
		3022	1
		3023	} or warn "$pkg unloaded, but with errors: $@";
2157	}	3024	}
2158		3025
		3026	warn "... nuking $pkg";
		3027	Symbol::delete_package $pkg;
		3028	}
		3029
2159	# unload all modules loaded from $LIBDIR	3030	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	3031	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3032	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		3033
2163	warn "removing <$k>";	3034	warn "... unloading $k";
2164	delete $INC{$k};	3035	delete $INC{$k};
2165		3036
2166	$k =~ s/\.pm$//;	3037	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	3038	$k =~ s/\//::/g;
2168		3039
…		…
2171	}	3042	}
2172		3043
2173	Symbol::delete_package $k;	3044	Symbol::delete_package $k;
2174	}	3045	}
2175		3046
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	3047	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	3048	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3049	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		3050
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	3051	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	3052	delete $INC{"cf.pm"};
		3053	delete $INC{"cf/pod.pm"};
2189		3054
2190	# don't, removes xs symbols, too,	3055	# don't, removes xs symbols, too,
2191	# and global variables created in xs	3056	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	3057	#Symbol::delete_package __PACKAGE__;
2193		3058
2194	# reload cf.pm	3059	warn "unload completed, starting to reload now";
		3060
2195	warn "reloading cf.pm";	3061	warn "reloading cf.pm";
2196	require cf;	3062	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3063	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		3064
2199	# load config and database again	3065	warn "loading config and database again";
2200	cf::cfg_load;	3066	cf::cfg_load;
2201	cf::db_load;
2202		3067
2203	# load extensions
2204	warn "load extensions";	3068	warn "loading extensions";
2205	cf::load_extensions;	3069	cf::load_extensions;
2206		3070
2207	# reattach attachments to objects	3071	warn "reattaching attachments to objects/players";
2208	warn "reattach";	3072	_global_reattach; # objects, sockets
2209	_global_reattach;	3073	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	3074	reattach $_ for values %MAP;
2211	};	3075	warn "reattaching attachments to players";
		3076	reattach $_ for values %PLAYER;
2212		3077
2213	if ($@) {	3078	warn "leaving sync_job";
		3079
		3080	1
		3081	} or do {
2214	warn $@;	3082	warn $@;
2215	warn "error while reloading, exiting.";	3083	warn "error while reloading, exiting.";
2216	exit 1;	3084	exit 1;
2217	}	3085	};
2218		3086
2219	warn "reloaded successfully";	3087	warn "reloaded";
2220	};	3088	};
2221		3089
2222	#############################################################################	3090	our $RELOAD_WATCHER; # used only during reload
2223		3091
2224	unless ($LINK_MAP) {	3092	sub reload_perl() {
2225	$LINK_MAP = cf::map::new;	3093	# doing reload synchronously and two reloads happen back-to-back,
		3094	# coro crashes during coro_state_free->destroy here.
2226		3095
2227	$LINK_MAP->width (41);	3096	$RELOAD_WATCHER ||= Event->timer (
2228	$LINK_MAP->height (41);	3097	reentrant => 0,
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,	3098	after => 0,
		3099	data => WF_AUTOCANCEL,
2237	cb => sub {	3100	cb => sub {
2238	$_[0]->w->cancel;	3101	do_reload_perl;
2239		3102	undef $RELOAD_WATCHER;
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});	3103	},
2258		3104	);
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}	3105	}
2264
2265	register "<global>", __PACKAGE__;
2266		3106
2267	register_command "reload" => sub {	3107	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	3108	my ($who, $arg) = @_;
2269		3109
2270	if ($who->flag (FLAG_WIZ)) {	3110	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");
2272	reload;
2273	$who->message ("end of reload.");	3111	$who->message ("reloading server.");
		3112	async { reload_perl };
2274	}	3113	}
2275	};	3114	};
2276		3115
2277	unshift @INC, $LIBDIR;	3116	unshift @INC, $LIBDIR;
2278		3117
		3118	my $bug_warning = 0;
		3119
		3120	our @WAIT_FOR_TICK;
		3121	our @WAIT_FOR_TICK_BEGIN;
		3122
		3123	sub wait_for_tick {
		3124	return unless $TICK_WATCHER->is_active;
		3125	return if $Coro::current == $Coro::main;
		3126
		3127	my $signal = new Coro::Signal;
		3128	push @WAIT_FOR_TICK, $signal;
		3129	$signal->wait;
		3130	}
		3131
		3132	sub wait_for_tick_begin {
		3133	return unless $TICK_WATCHER->is_active;
		3134	return if $Coro::current == $Coro::main;
		3135
		3136	my $signal = new Coro::Signal;
		3137	push @WAIT_FOR_TICK_BEGIN, $signal;
		3138	$signal->wait;
		3139	}
		3140
		3141	my $min = 1e6;#d#
		3142	my $avg = 10;
2279	$TICK_WATCHER = Event->timer (	3143	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	3144	reentrant => 0,
		3145	parked => 1,
2281	prio => 0,	3146	prio => 0,
2282	at => $NEXT_TICK || $TICK,	3147	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	3148	data => WF_AUTOCANCEL,
2284	cb => sub {	3149	cb => sub {
		3150	if ($Coro::current != $Coro::main) {
		3151	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3152	unless ++$bug_warning > 10;
		3153	return;
		3154	}
		3155
		3156	$NOW = $tick_start = Event::time;
		3157
2285	cf::server_tick; # one server iteration	3158	cf::server_tick; # one server iteration
		3159
		3160	0 && sync_job {#d#
		3161	for(1..10) {
		3162	my $t = Event::time;
		3163	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3164	or die;
		3165
		3166	$map->width (50);
		3167	$map->height (50);
		3168	$map->alloc;
		3169	$map->_load_objects ("/tmp/x.map", 1);
		3170	my $t = Event::time - $t;
		3171
		3172	#next unless $t < 0.0013;#d#
		3173	if ($t < $min) {
		3174	$min = $t;
		3175	}
		3176	$avg = $avg * 0.99 + $t * 0.01;
		3177	}
		3178	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3179	exit 0;
		3180	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3181	};
		3182
2286	$RUNTIME += $TICK;	3183	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	3184	$NEXT_TICK += $TICK;
2288		3185
		3186	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3187	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3188	Coro::async_pool {
		3189	write_runtime
		3190	or warn "ERROR: unable to write runtime file: $!";
		3191	};
		3192	}
		3193
		3194	# my $AFTER = Event::time;
		3195	# warn $AFTER - $NOW;#d#
		3196
		3197	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3198	$sig->send;
		3199	}
		3200	while (my $sig = shift @WAIT_FOR_TICK) {
		3201	$sig->send;
		3202	}
		3203
		3204	$NOW = Event::time;
		3205
2289	# if we are delayed by four ticks or more, skip them all	3206	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3207	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2291		3208
2292	$TICK_WATCHER->at ($NEXT_TICK);	3209	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
		3211
		3212	$LOAD = ($NOW - $tick_start) / $TICK;
		3213	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3214
		3215	_post_tick;
		3216
		3217
2294	},	3218	},
2295	);	3219	);
2296		3220
		3221	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	3222	BDB::max_poll_time $TICK * 0.1;
2298		3223	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	3224	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	3225	fd => BDB::poll_fileno,
2301	poll => 'r',	3226	poll => 'r',
2302	prio => 5,	3227	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	3228	data => WF_AUTOCANCEL,
2309	after => 0,	3229	cb => \&BDB::poll_cb,
2310	interval => 10,	3230	);
2311	cb => sub {	3231	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	3232
2313	write_runtime	3233	BDB::set_sync_prepare {
2314	or warn "ERROR: unable to write runtime file: $!";	3234	my $status;
		3235	my $current = $Coro::current;
		3236	(
		3237	sub {
		3238	$status = $!;
		3239	$current->ready; undef $current;
		3240	},
		3241	sub {
		3242	Coro::schedule while defined $current;
		3243	$! = $status;
		3244	},
		3245	)
		3246	};
		3247
		3248	unless ($DB_ENV) {
		3249	$DB_ENV = BDB::db_env_create;
		3250
		3251	cf::sync_job {
		3252	eval {
		3253	BDB::db_env_open
		3254	$DB_ENV,
		3255	$BDBDIR,
		3256	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3257	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3258	0666;
		3259
		3260	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3261
		3262	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3263	$DB_ENV->set_lk_detect;
		3264	};
		3265
		3266	cf::cleanup "db_env_open(db): $@" if $@;
2315	})->();	3267	};
2316	},	3268	}
2317	);	3269	}
		3270
		3271	{
		3272	IO::AIO::min_parallel 8;
		3273
		3274	undef $Coro::AIO::WATCHER;
		3275	IO::AIO::max_poll_time $TICK * 0.1;
		3276	$AIO_POLL_WATCHER = Event->io (
		3277	reentrant => 0,
		3278	data => WF_AUTOCANCEL,
		3279	fd => IO::AIO::poll_fileno,
		3280	poll => 'r',
		3281	prio => 6,
		3282	cb => \&IO::AIO::poll_cb,
		3283	);
		3284	}
		3285
		3286	my $_log_backtrace;
		3287
		3288	sub _log_backtrace {
		3289	my ($msg, @addr) = @_;
		3290
		3291	$msg =~ s/\n//;
		3292
		3293	# limit the # of concurrent backtraces
		3294	if ($_log_backtrace < 2) {
		3295	++$_log_backtrace;
		3296	async {
		3297	my @bt = fork_call {
		3298	@addr = map { sprintf "%x", $_ } @addr;
		3299	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3300	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3301	or die "addr2line: $!";
		3302
		3303	my @funcs;
		3304	my @res = <$fh>;
		3305	chomp for @res;
		3306	while (@res) {
		3307	my ($func, $line) = splice @res, 0, 2, ();
		3308	push @funcs, "[$func] $line";
		3309	}
		3310
		3311	@funcs
		3312	};
		3313
		3314	LOG llevInfo, "[ABT] $msg\n";
		3315	LOG llevInfo, "[ABT] $_\n" for @bt;
		3316	--$_log_backtrace;
		3317	};
		3318	} else {
		3319	LOG llevInfo, "[ABT] $msg\n";
		3320	LOG llevInfo, "[ABT] [suppressed]\n";
		3321	}
		3322	}
		3323
		3324	# load additional modules
		3325	use cf::pod;
2318		3326
2319	END { cf::emergency_save }	3327	END { cf::emergency_save }
2320		3328
2321	1	3329	1
2322		3330

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