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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.306 by root, Sat Jul 14 14:33:30 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;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	30	use YAML::Syck ();
		31	use IO::AIO 2.32 ();
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
		91	our %PLAYER; # all users
52	our %MAP; # all maps	92	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	94
55	our %EXT_CORO;	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 $tick_start; # for load detecting purposes
56		101
57	binmode STDOUT;	102	binmode STDOUT;
58	binmode STDERR;	103	binmode STDERR;
59		104
60	# read virtual server time, if available	105	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
65	}	110	}
66		111
67	mkdir cf::localdir;	112	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		114
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
76		118
77	#############################################################################	119	#############################################################################
78		120
79	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
80		122
…		…
87	=item $cf::RUNTIME	129	=item $cf::RUNTIME
88		130
89	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
90	every server tick.	132	every server tick.
91		133
92	=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
93		137
94	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		142
97	=item $cf::NOW	143	=item $cf::NOW
98		144
99	The time of the last (current) server tick.	145	The time of the last (current) server tick.
100		146
101	=item $cf::TICK	147	=item $cf::TICK
102		148
103	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.
104		160
105	=item %cf::CFG	161	=item %cf::CFG
106		162
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		171
110	=back	172	=back
111		173
112	=cut	174	=cut
113		175
114	BEGIN {	176	BEGIN {
115	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	178	my $msg = join "", @_;
117	utf8::encode $msg;
118		179
119	$msg .= "\n"	180	$msg .= "\n"
120	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
121		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	186	LOG llevError, $msg;
123	};	187	};
124	}	188	}
125		189
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		197
133	# 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
134	# within the Safe compartment.	199	# within the Safe compartment.
135	for my $pkg (qw(	200	for my $pkg (qw(
136	cf::global cf::attachable	201	cf::global cf::attachable
…		…
145		210
146	$Event::DIED = sub {	211	$Event::DIED = sub {
147	warn "error in event callback: @_";	212	warn "error in event callback: @_";
148	};	213	};
149		214
150	my %ext_pkg;	215	#############################################################################
151	my @exts;
152	my @hook;
153		216
154	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
155		218
156	=over 4	219	=over 4
157		220
158	=cut	221	=item dumpval $ref
159		222
160	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	}
161		243
162	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
163		245
164	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
165		247
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
174		249
175	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
176		251
177	=cut	252	=cut
178		253
179	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
181	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
183		258
184	=item cf::lock_wait $string	259	=item cf::lock_wait $string
185		260
186	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
187		262
…		…
193	returned.	268	returned.
194		269
195	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
196	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
197		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
198	=cut	277	=cut
199		278
200	our %LOCK;	279	our %LOCK;
201		280
202	sub lock_wait($) {	281	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
223	}	302	}
224	}	303	}
225		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
226	sub freeze_mainloop {	311	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
228		313
229	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
230	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
231	$guard	318	$guard
232	}	319	}
233		320
234	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
241		328
242	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
243		330
244	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
245		332
246	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
247	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
248	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
249		337
250	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
251	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
252	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
253	fast or be very important.	341	fast or be very important.
…		…
256		344
257	sub sync_job(&) {	345	sub sync_job(&) {
258	my ($job) = @_;	346	my ($job) = @_;
259		347
260	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
261	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
262	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
263		353
264	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
265	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
276		366
277	while ($busy) {	367	while ($busy) {
278	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
279	}	369	}
280		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
281	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
282	} else {	379	} else {
283	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
284		381
285	$job->()	382	$job->()
286	}	383	}
287	}	384	}
288		385
289	=item $coro = cf::async_ext { BLOCK }	386	=item $coro = cf::async_ext { BLOCK }
290		387
291	Like async, but this coro is automcatially being canceled when the	388	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	389	extension calling this is being unloaded.
293		390
294	=cut	391	=cut
295		392
296	sub async_ext(&) {	393	sub async_ext(&) {
…		…
304	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
305		402
306	$coro	403	$coro
307	}	404	}
308		405
309	sub write_runtime {	406	=item fork_call { }, $args
310	my $runtime = cf::localdir . "/runtime";
311		407
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
313	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.
314		412
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;
318		414
319	aio_fsync $fh	415	sub _store_scalar {
320	and return;	416	open my $fh, ">", \my $buf
321		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
322	close $fh	419	close $fh;
323	or return;
324		420
325	aio_rename "$runtime~", $runtime	421	$buf
326	and return;	422	}
327		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
328	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
329	}	593	}
330		594
331	=back	595	=back
332		596
333	=cut	597	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		598
455	#############################################################################	599	#############################################################################
456		600
457	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
458		602
…		…
460	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")
461	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
462		606
463	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>
464	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
465	crossfire+).	609	Crossfire TRT).
466		610
467	=over 4	611	=over 4
468		612
469	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
470		614
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	729	our @CB_MAP = ();
586		730
587	my %attachment;	731	my %attachment;
588		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
589	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
591		741
592	use sort 'stable';	742	use sort 'stable';
593		743
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
628		778
629	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		783
634	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	785	my $pkg = shift @arg;
636		786
637	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
667	}	817	}
668		818
669	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
670	} else {	820	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	822	}
673		823
674	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
675	}	825	}
676		826
…		…
678	if (ref $_[0]) {	828	if (ref $_[0]) {
679	_object_attach @_;	829	_object_attach @_;
680	} else {	830	} else {
681	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
682	}	832	}
		833	_recalc_want;
683	};	834	};
684		835
685	# all those should be optimised	836	# all those should be optimised
686	sub cf::attachable::detach {	837	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
691	reattach ($obj);	842	reattach ($obj);
692	} else {	843	} else {
693	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
694	}	845	}
		846	_recalc_want;
695	};	847	};
696		848
697	sub cf::attachable::attached {	849	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
699		851
…		…
764	# object support	916	# object support
765		917
766	sub reattach {	918	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		923
770	my $registry = $obj->registry;	924	my $registry = $obj->registry;
771		925
772	@$registry = ();	926	@$registry = ();
773		927
…		…
820	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
821		975
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	980	close $fh;
827		981
828	if (@$objs) {	982	if (@$objs) {
829	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) {
830	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	988	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
836	}	990	}
837	} else {	991	} else {
838	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
870	or return;	1024	or return;
871	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
872	}	1026	}
873		1027
874	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
875	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
876	return ($data, $av);	1030	return ($data, $av);
877	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
878		1038
879	#############################################################################	1039	#############################################################################
880	# command handling &c	1040	# command handling &c
881		1041
882	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
895	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
896	}	1056	}
897		1057
898	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
899		1059
900	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.
901		1065
902	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
903	called.	1067	called.
904		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
905	=cut	1080	=cut
906		1081
907	sub register_extcmd {	1082	sub register_extcmd {
908	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
909		1084
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
914	}	1092	}
915		1093
916	cf::player->attach (	1094	cf::player->attach (
917	on_command => sub {	1095	on_command => sub {
918	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1105	cf::override;
928	},	1106	},
929	on_extcmd => sub {	1107	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
931		1109
932	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1111
934	if (ref $msg) {	1112	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	1116	}
939	}	1117	}
940	} else {	1118	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		1121
944	cf::override;	1122	cf::override;
945	},	1123	},
946	);	1124	);
947		1125
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
		1130	for my $path (<$LIBDIR/*.ext>) {
		1131	next unless -r $path;
		1132
		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;
		1190	}
		1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
		1196	};
		1197	}
		1198
		1199	#############################################################################
		1200
		1201	=back
		1202
		1203	=head2 CORE EXTENSIONS
		1204
		1205	Functions and methods that extend core crossfire objects.
		1206
		1207	=cut
		1208
		1209	package cf::player;
		1210
		1211	use Coro::AIO;
		1212
		1213	=head3 cf::player
		1214
		1215	=over 4
		1216
		1217	=item cf::player::find $login
		1218
		1219	Returns the given player object, loading it if necessary (might block).
		1220
		1221	=cut
		1222
		1223	sub playerdir($) {
		1224	"$PLAYERDIR/"
		1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1226	}
		1227
		1228	sub path($) {
		1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1230
		1231	(playerdir $login) . "/playerdata"
		1232	}
		1233
		1234	sub find_active($) {
		1235	$cf::PLAYER{$_[0]}
		1236	and $cf::PLAYER{$_[0]}->active
		1237	and $cf::PLAYER{$_[0]}
		1238	}
		1239
		1240	sub exists($) {
		1241	my ($login) = @_;
		1242
		1243	$cf::PLAYER{$login}
		1244	or cf::sync_job { !aio_stat path $login }
		1245	}
		1246
		1247	sub find($) {
		1248	return $cf::PLAYER{$_[0]} || do {
		1249	my $login = $_[0];
		1250
		1251	my $guard = cf::lock_acquire "user_find:$login";
		1252
		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
		1261	my $pl = load_pl path $login
		1262	or return;
		1263	$cf::PLAYER{$login} = $pl
		1264	}
		1265	}
		1266	}
		1267
		1268	sub save($) {
		1269	my ($pl) = @_;
		1270
		1271	return if $pl->{deny_save};
		1272
		1273	my $path = path $pl;
		1274	my $guard = cf::lock_acquire "user_save:$path";
		1275
		1276	return if $pl->{deny_save};
		1277
		1278	aio_mkdir playerdir $pl, 0770;
		1279	$pl->{last_save} = $cf::RUNTIME;
		1280
		1281	$pl->save_pl ($path);
		1282	Coro::cede;
		1283	}
		1284
		1285	sub new($) {
		1286	my ($login) = @_;
		1287
		1288	my $self = create;
		1289
		1290	$self->ob->name ($login);
		1291	$self->{deny_save} = 1;
		1292
		1293	$cf::PLAYER{$login} = $self;
		1294
		1295	$self
		1296	}
		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
		1305	sub quit_character {
		1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
		1309
		1310	$pl->{deny_save} = 1;
		1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1312
		1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1314	$pl->deactivate;
		1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1316	$pl->ns->destroy if $pl->ns;
		1317
		1318	my $path = playerdir $pl;
		1319	my $temp = "$path~$cf::RUNTIME~deleting~";
		1320	aio_rename $path, $temp;
		1321	delete $cf::PLAYER{$pl->ob->name};
		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
		1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
		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
		1449	=item $player->ext_reply ($msgid, %msg)
		1450
		1451	Sends an ext reply to the player.
		1452
		1453	=cut
		1454
		1455	sub ext_reply($$%) {
		1456	my ($self, $id, %msg) = @_;
		1457
		1458	$msg{msgid} = $id;
		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
		1460	}
		1461
		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($) {
955	my ($path) = @_;	1489	my ($path) = @_;
956		1490
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1491	my ($match, $specificity);
958	my $base = $1;
959	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";
962		1492
963	warn "loading '$path' into '$pkg'\n";	1493	for my $region (list) {
964		1494	if ($region->{match} && $path =~ $region->{match}) {
965	open my $fh, "<:utf8", $path	1495	($match, $specificity) = ($region, $region->specificity)
966	or die "$path: $!";	1496	if $region->specificity > $specificity;
967		1497	}
968	my $source =
969	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })
972	. "\n};\n1";
973
974	eval $source
975	or die $@ ? "$path: $@\n"
976	: "extension disabled.\n";
977
978	push @exts, $pkg;
979	$ext_pkg{$base} = $pkg;
980
981	# no strict 'refs';
982	# @{"$pkg\::ISA"} = ext::;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	1498	}
997		1499
998	# remove commands	1500	$match
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}
1023
1024	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;
1027	eval {
1028	load_extension $ext;
1029	1
1030	} or warn "$ext not loaded: $@";
1031	}
1032	}
1033
1034	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071
1072	=head2 CORE EXTENSIONS
1073
1074	Functions and methods that extend core crossfire objects.
1075
1076	=head3 cf::player
1077
1078	=over 4
1079
1080	=item cf::player::exists $login
1081
1082	Returns true when the given account exists.
1083
1084	=cut
1085
1086	sub cf::player::exists($) {
1087	cf::player::find $_[0]
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1089	}
1090
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092
1093	Sends an ext reply to the player.
1094
1095	=cut
1096
1097	sub cf::player::ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;
1099
1100	$msg{msgid} = $id;
1101
1102	$self->send ("ext " . to_json \%msg);
1103	}	1501	}
1104		1502
1105	=back	1503	=back
1106
1107		1504
1108	=head3 cf::map	1505	=head3 cf::map
1109		1506
1110	=over 4	1507	=over 4
1111		1508
…		…
1114	package cf::map;	1511	package cf::map;
1115		1512
1116	use Fcntl;	1513	use Fcntl;
1117	use Coro::AIO;	1514	use Coro::AIO;
1118		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1119	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1121		1522
1122	sub generate_random_map {	1523	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1526	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$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},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(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"
1139	}	1666	}
1140		1667
1141	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1142	# all maps in C++...	1669	# all maps in C++...
1143	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1145		1672
1146	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1148	}	1675	}
1149		1676
		1677	sub decay_objects {
		1678	my ($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
1150	sub try_load_header($) {	1693	sub load_header_from($) {
1151	my ($path) = @_;	1694	my ($self, $path) = @_;
1152		1695
1153	utf8::encode $path;	1696	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1155	or return;	1701	or return;
1156		1702
1157	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
1158	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1159		1749
1160	# for better error messages only, will be overwritten	1750	$self->{deny_reset} = 1
1161	$map->path ($path);	1751	if $self->no_reset;
1162		1752
1163	$map->load_header ($path)	1753	$self->default_region (cf::region::find_by_path $self->{path})
1164	or return;	1754	unless $self->default_region;
1165		1755
1166	$map->{load_path} = $path;	1756	1
1167
1168	$map
1169	}	1757	}
1170		1758
1171	sub find;	1759	sub find;
1172	sub find {	1760	sub find {
1173	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1174		1762
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1764
1180	cf::lock_wait "map_find:$key";	1765	cf::lock_wait "map_find:$path";
1181		1766
1182	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1768	my $guard = cf::lock_acquire "map_find:$path";
1184		1769	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1770	or return;
1204		1771
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1217		1773
1218	Coro::cede;	1774	$map->load_header
		1775	or return;
1219		1776
1220	if ($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;
1221	$map->reset;	1780	$map->reset;
1222	undef $guard;	1781	undef $guard;
1223	$map = find $path	1782	return find $path;
1224	or return;
1225	}	1783	}
1226		1784
1227	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1228	}	1786	}
1229	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1230		1791
1231	sub load {	1792	sub load {
1232	my ($self) = @_;	1793	my ($self) = @_;
1233		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1234	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1800	my $guard = cf::lock_acquire "map_load:$path";
1236		1801
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1803
1239	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1240		1805
1241	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1242	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1812	or return;
1244		1813
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1815	if delete $self->{load_original};
1247		1816
1248	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1818	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1820	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1253	}	1822	}
1254	}	1823	}
1255		1824
1256	Coro::cede;	1825	Coro::cede;
1257
1258	# now do the right thing for maps	1826	# now do the right thing for maps
1259	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1260
1261	if ($self->{path}->is_style_map) {
1262	$self->{deny_save} = 1;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;
1268	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1270	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;
1271	$self->activate;	1839	$self->activate;
1272	}	1840	}
1273		1841
1274	Coro::cede;
1275
1276	$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	$neigh->load;
		1881	}
1277	}	1882	}
1278		1883
1279	sub find_sync {	1884	sub find_sync {
1280	my ($path, $origin) = @_;	1885	my ($path, $origin) = @_;
1281		1886
1282	cf::sync_job { cf::map::find $path, $origin }	1887	cf::sync_job { find $path, $origin }
1283	}	1888	}
1284		1889
1285	sub do_load_sync {	1890	sub do_load_sync {
1286	my ($map) = @_;	1891	my ($map) = @_;
1287		1892
1288	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1289	}	1894	}
1290		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	$MAP_PREFETCHER->prio (6);
		1922
		1923	()
		1924	}
		1925
1291	sub save {	1926	sub save {
1292	my ($self) = @_;	1927	my ($self) = @_;
1293		1928
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1930
1296	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1297		1932
1298	return unless $self->dirty;	1933	return unless $self->dirty;
1299		1934
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1935	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1937
1303	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1304		1939
1305	return if $self->{deny_save};	1940	return if $self->{deny_save};
1306		1941
1307	local $self->{last_access} = $self->last_access;#d#	1942	local $self->{last_access} = $self->last_access;#d#
1308		1943
		1944	cf::async {
		1945	$_->contr->save for $self->players;
		1946	};
		1947
1309	if ($uniq) {	1948	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1951	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1953	}
1315	}	1954	}
1316		1955
1317	sub swap_out {	1956	sub swap_out {
1318	my ($self) = @_;	1957	my ($self) = @_;
…		…
1332		1971
1333	sub reset_at {	1972	sub reset_at {
1334	my ($self) = @_;	1973	my ($self) = @_;
1335		1974
1336	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};
1338	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1339		1977
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1980
…		…
1347	my ($self) = @_;	1985	my ($self) = @_;
1348		1986
1349	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1350	}	1988	}
1351		1989
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	1990	sub reset {
1374	my ($self) = @_;	1991	my ($self) = @_;
1375		1992
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1994
1378	return if $self->players;	1995	return if $self->players;
1379	return if $self->{path}{user_rel};#d#
1380		1996
1381	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	}
1382		2008
1383	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
		2010
		2011	$self->clear;
1384		2012
1385	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1386		2014
1387	$self->unlink_save;	2015	$self->unlink_save;
1388	$self->destroy;	2016	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1392		2020
1393	sub nuke {	2021	sub nuke {
1394	my ($self) = @_;	2022	my ($self) = @_;
1395		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1399	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1400	}	2037	}
1401		2038
1402	sub customise_for {	2039	=item $maps = cf::map::tmp_maps
1403	my ($map, $ob) = @_;
1404		2040
1405	if ($map->per_player) {	2041	Returns an arrayref with all map paths of currently instantiated and saved
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
1407	}	2047	[
1408		2048	map {
1409	$map	2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
1410	}	2055	}
1411		2056
1412	sub emergency_save {	2057	=item $maps = cf::map::random_maps
1413	my $freeze_guard = cf::freeze_mainloop;
1414		2058
1415	warn "enter emergency map save\n";	2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
1416		2061
1417	cf::sync_job {	2062	=cut
1418	warn "begin emergency map save\n";
1419	$_->save for values %cf::MAP;
1420	};
1421		2063
1422	warn "end emergency map save\n";	2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
		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	]
1423	}	2091	}
1424		2092
1425	package cf;	2093	package cf;
1426		2094
1427	=back	2095	=back
1428		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
1429		2123
1430	=head3 cf::object::player	2124	=head3 cf::object::player
1431		2125
1432	=over 4	2126	=over 4
1433		2127
…		…
1447		2141
1448	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1449		2143
1450	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1451	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1452	} 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 {
1453	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1454	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1455	}	2163	}
1456	}	2164	}
1457		2165
1458	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1459		2167
…		…
1473		2181
1474	=item $player_object->enter_link	2182	=item $player_object->enter_link
1475		2183
1476	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}>).
1477		2185
1478	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
1479	I<MUST> call C<leave_link> as soon as possible, though.	2187	I<MUST> call C<leave_link> as soon as possible, though.
1480		2188
		2189	Will never block.
		2190
1481	=item $player_object->leave_link ($map, $x, $y)	2191	=item $player_object->leave_link ($map, $x, $y)
1482		2192
1483	Moves the player out of the specila link map onto the given map. If the	2193	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	2194	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	2195	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	2196	fails, to the emergency map position.
1487		2197
1488	Might block.	2198	Might block.
1489		2199
1490	=cut	2200	=cut
		2201
		2202	sub link_map {
		2203	unless ($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	$LINK_MAP
		2210	}
1491		2211
1492	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1493	my ($self) = @_;	2213	my ($self) = @_;
1494		2214
1495	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1496		2216
1497	return if $self->map == $LINK_MAP;	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		2218
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1501		2221
1502	$self->enter_map ($LINK_MAP, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	2223	}
1504		2224
1505	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1507		2229
1508	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1509		2231
1510	unless ($map) {	2232	unless ($map) {
1511	# restore original map position	2233	# restore original map position
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	2247	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	2248	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	2249	if $x <=0 && $y <= 0;
1528		2250
1529	$map->load;	2251	$map->load;
		2252	$map->load_diag;
1530		2253
		2254	return unless $self->contr->active;
1531	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1533	}	2259	}
1534		2260
1535	cf::player->attach (	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1536	on_logout => sub {
1537	my ($pl) = @_;
1538		2262
1539	# abort map switching before logout	2263	Moves the player to the given map-path and coordinates by first freezing
1540	if ($pl->ob->{_link_pos}) {	2264	her, loading and preparing them map, calling the provided $check callback
1541	cf::sync_job {	2265	that has to return the map if sucecssful, and then unfreezes the player on
1542	$pl->ob->leave_link	2266	the new (success) or old (failed) map position. In either case, $done will
1543	};	2267	be called at the end of this process.
1544	}
1545	},
1546	on_login => sub {
1547	my ($pl) = @_;
1548		2268
1549	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;
1554	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,
1558	"There was an internal problem at your last logout, "
1559	. "the server will try to bring you to your intended destination in a second.",
1560	cf::NDI_RED);
1561	Coro::Timer::sleep 1;
1562	$pl->ob->leave_link;
1563	})->prio (2);
1564	}
1565	},
1566	);
1567
1568	=item $player_object->goto ($path, $x, $y)
1569
1570	=cut	2269	=cut
		2270
		2271	our $GOTOGEN;
1571		2272
1572	sub cf::object::player::goto {	2273	sub cf::object::player::goto {
1573	my ($self, $path, $x, $y) = @_;	2274	my ($self, $path, $x, $y, $check, $done) = @_;
		2275
		2276	# do generation counting so two concurrent goto's will be executed in-order
		2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1574		2278
1575	$self->enter_link;	2279	$self->enter_link;
1576		2280
1577	(async {	2281	(async {
1578	$path = new cf::path $path;	2282	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	2283	my $map = cf::map::find $path;
		2284
		2285	if ($map) {
1581	$map = $map->customise_for ($self) if $map;	2286	$map = $map->customise_for ($self);
1582		2287	$map = $check->($map) if $check && $map;
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	2288	} else {
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	}
1587		2291
		2292	$map
		2293	};
		2294
		2295	if ($@) {
		2296	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2297	LOG llevError | logBacktrace, Carp::longmess $@;
		2298	}
		2299
		2300	if ($gen == $self->{_goto_generation}) {
		2301	delete $self->{_goto_generation};
1588	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
		2303	}
		2304
		2305	$done->() if $done;
1589	})->prio (1);	2306	})->prio (1);
1590	}	2307	}
1591		2308
1592	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1593		2310
…		…
1595		2312
1596	sub parse_random_map_params {	2313	sub parse_random_map_params {
1597	my ($spec) = @_;	2314	my ($spec) = @_;
1598		2315
1599	my $rmp = { # defaults	2316	my $rmp = { # defaults
1600	xsize => 10,	2317	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	2318	ysize => (cf::rndm 15, 40),
		2319	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2320	#layout => string,
1602	};	2321	};
1603		2322
1604	for (split /\n/, $spec) {	2323	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	2324	my ($k, $v) = split /\s+/, $_, 2;
1606		2325
…		…
1610	$rmp	2329	$rmp
1611	}	2330	}
1612		2331
1613	sub prepare_random_map {	2332	sub prepare_random_map {
1614	my ($exit) = @_;	2333	my ($exit) = @_;
		2334
		2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		2336
1616	# all this does is basically replace the /! path by	2337	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	2338	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	2339	# that depends on the exit object
1619		2340
1620	my $rmp = parse_random_map_params $exit->msg;	2341	my $rmp = parse_random_map_params $exit->msg;
1621		2342
1622	if ($exit->map) {	2343	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	2344	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	2345	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	2346	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	2347	$rmp->{origin_y} = $exit->y;
1627	}	2348	}
1628		2349
1629	$rmp->{random_seed} ||= $exit->random_seed;	2350	$rmp->{random_seed} ||= $exit->random_seed;
1630		2351
1631	my $data = cf::to_json $rmp;	2352	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	2353	my $md5 = Digest::MD5::md5_hex $data;
		2354	my $meta = "$RANDOMDIR/$md5.meta";
1633		2355
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	2357	aio_write $fh, 0, (length $data), $data, 0;
		2358	undef $fh;
		2359	aio_rename "$meta~", $meta;
1636		2360
1637	$exit->slaying ("?random/$md5");	2361	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	2362	$exit->msg (undef);
1639	}	2363	}
1640	}	2364	}
…		…
1642	sub cf::object::player::enter_exit {	2366	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	2367	my ($self, $exit) = @_;
1644		2368
1645	return unless $self->type == cf::PLAYER;	2369	return unless $self->type == cf::PLAYER;
1646		2370
		2371	if ($exit->slaying eq "/!") {
		2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2373	# the problem is that $exit might not survive long enough
		2374	# so it needs to be done right now, right here
		2375	cf::sync_job { prepare_random_map $exit };
		2376	}
		2377
		2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2379	my $hp = $exit->stats->hp;
		2380	my $sp = $exit->stats->sp;
		2381
1647	$self->enter_link;	2382	$self->enter_link;
		2383
		2384	# if exit is damned, update players death & WoR home-position
		2385	$self->contr->savebed ($slaying, $hp, $sp)
		2386	if $exit->flag (FLAG_DAMNED);
1648		2387
1649	(async {	2388	(async {
1650	$self->deactivate_recursive; # just to be sure	2389	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	2390	unless (eval {
1652	prepare_random_map $exit	2391	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		2392
1658	1;	2393	1;
1659	}) {	2394	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	2395	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	2396	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	2397	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	2398	cf::NDI_UNIQUE | cf::NDI_RED);
1664		2399
1665	warn "ERROR in enter_exit: $@";	2400	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	2401	$self->leave_link;
1667	}	2402	}
1668	})->prio (1);	2403	})->prio (1);
…		…
1681		2416
1682	sub cf::client::send_drawinfo {	2417	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	2418	my ($self, $text, $flags) = @_;
1684		2419
1685	utf8::encode $text;	2420	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2422	}
1688		2423
		2424	=item $client->send_msg ($color, $type, $msg, [extra...])
		2425
		2426	Send a drawinfo or msg packet to the client, formatting the msg for the
		2427	client if neccessary. C<$type> should be a string identifying the type of
		2428	the message, with C<log> being the default. If C<$color> is negative, suppress
		2429	the message unless the client supports the msg packet.
		2430
		2431	=cut
		2432
		2433	sub cf::client::send_msg {
		2434	my ($self, $color, $type, $msg, @extra) = @_;
		2435
		2436	$msg = $self->pl->expand_cfpod ($msg);
		2437
		2438	return unless @extra || length $msg;
		2439
		2440	if ($self->can_msg) {
		2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2442	} else {
		2443	# replace some tags by gcfclient-compatible ones
		2444	for ($msg) {
		2445	1 while
		2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2451	}
		2452
		2453	if ($color >= 0) {
		2454	if (0 && $msg =~ /\[/) {
		2455	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2456	} else {
		2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2458	$self->send_packet ("drawinfo $color $msg")
		2459	}
		2460	}
		2461	}
		2462	}
		2463
		2464	=item $client->ext_event ($type, %msg)
		2465
		2466	Sends an ext event to the client.
		2467
		2468	=cut
		2469
		2470	sub cf::client::ext_event($$%) {
		2471	my ($self, $type, %msg) = @_;
		2472
		2473	return unless $self->extcmd;
		2474
		2475	$msg{msgtype} = "event_$type";
		2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2477	}
1689		2478
1690	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
1691		2480
1692	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
1693	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2482	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1694	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2483	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1695		2484
1696	Queries can fail, so check the return code. Or don't, as queries will become	2485	Queries can fail, so check the return code. Or don't, as queries will
1697	reliable at some point in the future.	2486	become reliable at some point in the future.
1698		2487
1699	=cut	2488	=cut
1700		2489
1701	sub cf::client::query {	2490	sub cf::client::query {
1702	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
1710	utf8::encode $text;	2499	utf8::encode $text;
1711	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1712		2501
1713	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
1714	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
1715	}	2506	}
1716		2507
1717	cf::client->attach (	2508	cf::client->attach (
		2509	on_connect => sub {
		2510	my ($ns) = @_;
		2511
		2512	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2513	},
1718	on_reply => sub {	2514	on_reply => sub {
1719	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
1720		2516
1721	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
1722	# get handled first	2518	# get handled first
1723	my $queue = delete $ns->{query_queue}	2519	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2520	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2521
1726	(shift @$queue)->[1]->($msg);	2522	(shift @$queue)->[1]->($msg);
		2523	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2524
1728	push @{ $ns->{query_queue} }, @$queue;	2525	push @{ $ns->{query_queue} }, @$queue;
1729		2526
1730	if (@{ $ns->{query_queue} } == @$queue) {	2527	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2528	if (@$queue) {
…		…
1733	} else {	2530	} else {
1734	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1735	}	2532	}
1736	}	2533	}
1737	},	2534	},
		2535	on_exticmd => sub {
		2536	my ($ns, $buf) = @_;
		2537
		2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2539
		2540	if (ref $msg) {
		2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2542	if (my %reply = $cb->($ns, $msg)) {
		2543	$reply{msgid} = $msg->{msgid};
		2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2545	}
		2546	}
		2547	} else {
		2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2549	}
		2550
		2551	cf::override;
		2552	},
1738	);	2553	);
1739		2554
1740	=item $client->async (\&cb)	2555	=item $client->async (\&cb)
1741		2556
1742	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
…		…
1789		2604
1790	# here we export the classes and methods available to script code	2605	# here we export the classes and methods available to script code
1791		2606
1792	=pod	2607	=pod
1793		2608
1794	The following fucntions and emthods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
1795		2610
1796	cf::object contr pay_amount pay_player map	2611	cf::object
		2612	contr pay_amount pay_player map x y force_find force_add
		2613	insert remove
		2614
1797	cf::object::player player	2615	cf::object::player
1798	cf::player peaceful	2616	player
1799	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
1800		2623
1801	=cut	2624	=cut
1802		2625
1803	for (	2626	for (
1804	["cf::object" => qw(contr pay_amount pay_player map)],	2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2628	insert remove)],
1805	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
1806	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
1807	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
1808	) {	2632	) {
1809	no strict 'refs';	2633	no strict 'refs';
…		…
1880	=back	2704	=back
1881		2705
1882	=cut	2706	=cut
1883		2707
1884	#############################################################################	2708	#############################################################################
		2709	# the server's init and main functions
1885		2710
1886	=head2 EXTENSION DATABASE SUPPORT	2711	sub load_facedata($) {
		2712	my ($path) = @_;
1887		2713
1888	Crossfire maintains a very simple database for extension use. It can	2714	warn "loading facedata from $path\n";
1889	currently store anything that can be serialised using Storable, which
1890	excludes objects.
1891		2715
1892	The parameter C<$family> should best start with the name of the extension	2716	my $facedata;
1893	using it, it should be unique.	2717	0 < aio_load $path, $facedata
		2718	or die "$path: $!";
1894		2719
1895	=over 4	2720	$facedata = Coro::Storable::thaw $facedata;
1896		2721
1897	=item $hashref = cf::db_get $family	2722	$facedata->{version} == 2
		2723	or cf::cleanup "$path: version mismatch, cannot proceed.";
1898		2724
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key
1904
1905	Returns a single value from the database
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_put $family => $key => $value
1913
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924
1925	=cut
1926
1927	our $DB;
1928
1929	{
1930	my $path = cf::localdir . "/database.pst";
1931
1932	sub db_load() {
1933	$DB = stat $path ? Storable::retrieve $path : { };
1934	}	2725	{
		2726	my $faces = $facedata->{faceinfo};
1935		2727
1936	my $pid;	2728	while (my ($face, $info) = each %$faces) {
		2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2730	cf::face::set_visibility $idx, $info->{visibility};
		2731	cf::face::set_magicmap $idx, $info->{magicmap};
		2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1937		2734
1938	sub db_save() {	2735	cf::cede_to_tick;
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2736	}
1984	);
1985	}
1986		2737
1987	#############################################################################	2738	while (my ($face, $info) = each %$faces) {
1988	# the server's main()	2739	next unless $info->{smooth};
		2740	my $idx = cf::face::find $face
		2741	or next;
		2742	if (my $smooth = cf::face::find $info->{smooth}) {
		2743	cf::face::set_smooth $idx, $smooth;
		2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2745	} else {
		2746	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2747	}
		2748
		2749	cf::cede_to_tick;
		2750	}
		2751	}
		2752
		2753	{
		2754	my $anims = $facedata->{animinfo};
		2755
		2756	while (my ($anim, $info) = each %$anims) {
		2757	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2758	cf::cede_to_tick;
		2759	}
		2760
		2761	cf::anim::invalidate_all; # d'oh
		2762	}
		2763
		2764	{
		2765	# TODO: for gcfclient pleasure, we should give resources
		2766	# that gcfclient doesn't grok a >10000 face index.
		2767	my $res = $facedata->{resource};
		2768	my $enc = JSON::XS->new->utf8->canonical;
		2769
		2770	while (my ($name, $info) = each %$res) {
		2771	my $meta = $enc->encode ({
		2772	name => $name,
		2773	type => $info->{type},
		2774	copyright => $info->{copyright}, #TODO#
		2775	});
		2776	my $data = pack "(w/a*)*", $meta, $info->{data};
		2777	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2778
		2779	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2780	cf::face::set_type $idx, 1;
		2781	cf::face::set_data $idx, 0, $data, $chk;
		2782
		2783	cf::cede_to_tick;
		2784	}
		2785	}
		2786
		2787	1
		2788	}
		2789
		2790	sub reload_regions {
		2791	load_resource_file "$MAPDIR/regions"
		2792	or die "unable to load regions file\n";
		2793
		2794	for (cf::region::list) {
		2795	$_->{match} = qr/$_->{match}/
		2796	if exists $_->{match};
		2797	}
		2798	}
		2799
		2800	sub reload_facedata {
		2801	load_facedata "$DATADIR/facedata"
		2802	or die "unable to load facedata\n";
		2803	}
		2804
		2805	sub reload_archetypes {
		2806	load_resource_file "$DATADIR/archetypes"
		2807	or die "unable to load archetypes\n";
		2808	#d# NEED to laod twice to resolve forward references
		2809	# this really needs to be done in an extra post-pass
		2810	# (which needs to be synchronous, so solve it differently)
		2811	load_resource_file "$DATADIR/archetypes"
		2812	or die "unable to load archetypes\n";
		2813	}
		2814
		2815	sub reload_treasures {
		2816	load_resource_file "$DATADIR/treasures"
		2817	or die "unable to load treasurelists\n";
		2818	}
		2819
		2820	sub reload_resources {
		2821	warn "reloading resource files...\n";
		2822
		2823	reload_regions;
		2824	reload_facedata;
		2825	#reload_archetypes;#d#
		2826	reload_archetypes;
		2827	reload_treasures;
		2828
		2829	warn "finished reloading resource files\n";
		2830	}
		2831
		2832	sub init {
		2833	reload_resources;
		2834	}
1989		2835
1990	sub cfg_load {	2836	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2837	open my $fh, "<:utf8", "$CONFDIR/config"
1992	or return;	2838	or return;
1993		2839
1994	local $/;	2840	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2841	*CFG = YAML::Syck::Load <$fh>;
1996		2842
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2845	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2846	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2847
2002	if (exists $CFG{mlockall}) {	2848	if (exists $CFG{mlockall}) {
2003	eval {	2849	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2850	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2851	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2852	};
2007	warn $@ if $@;	2853	warn $@ if $@;
2008	}	2854	}
2009	}	2855	}
2010		2856
2011	sub main {	2857	sub main {
2012	# we must not ever block the main coroutine	2858	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2859	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2860	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2861	(async {
2015	async { Event::one_event };	2862	Event::one_event;
		2863	})->prio (Coro::PRIO_MAX);
2016	};	2864	};
2017		2865
2018	cfg_load;	2866	cfg_load;
2019	db_load;	2867	db_init;
2020	load_extensions;	2868	load_extensions;
		2869
		2870	$TICK_WATCHER->start;
2021	Event::loop;	2871	Event::loop;
2022	}	2872	}
2023		2873
2024	#############################################################################	2874	#############################################################################
2025	# initialisation	2875	# initialisation and cleanup
2026		2876
		2877	# install some emergency cleanup handlers
		2878	BEGIN {
		2879	for my $signal (qw(INT HUP TERM)) {
		2880	Event->signal (
		2881	reentrant => 0,
		2882	data => WF_AUTOCANCEL,
		2883	signal => $signal,
		2884	prio => 0,
		2885	cb => sub {
		2886	cf::cleanup "SIG$signal";
		2887	},
		2888	);
		2889	}
		2890	}
		2891
		2892	sub write_runtime {
		2893	my $runtime = "$LOCALDIR/runtime";
		2894
		2895	# first touch the runtime file to show we are still running:
		2896	# the fsync below can take a very very long time.
		2897
		2898	IO::AIO::aio_utime $runtime, undef, undef;
		2899
		2900	my $guard = cf::lock_acquire "write_runtime";
		2901
		2902	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2903	or return;
		2904
		2905	my $value = $cf::RUNTIME + 90 + 10;
		2906	# 10 is the runtime save interval, for a monotonic clock
		2907	# 60 allows for the watchdog to kill the server.
		2908
		2909	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2910	and return;
		2911
		2912	# always fsync - this file is important
		2913	aio_fsync $fh
		2914	and return;
		2915
		2916	# touch it again to show we are up-to-date
		2917	aio_utime $fh, undef, undef;
		2918
		2919	close $fh
		2920	or return;
		2921
		2922	aio_rename "$runtime~", $runtime
		2923	and return;
		2924
		2925	warn "runtime file written.\n";
		2926
		2927	1
		2928	}
		2929
		2930	sub emergency_save() {
		2931	my $freeze_guard = cf::freeze_mainloop;
		2932
		2933	warn "enter emergency perl save\n";
		2934
		2935	cf::sync_job {
		2936	# use a peculiar iteration method to avoid tripping on perl
		2937	# refcount bugs in for. also avoids problems with players
		2938	# and maps saved/destroyed asynchronously.
		2939	warn "begin emergency player save\n";
		2940	for my $login (keys %cf::PLAYER) {
		2941	my $pl = $cf::PLAYER{$login} or next;
		2942	$pl->valid or next;
		2943	$pl->save;
		2944	}
		2945	warn "end emergency player save\n";
		2946
		2947	warn "begin emergency map save\n";
		2948	for my $path (keys %cf::MAP) {
		2949	my $map = $cf::MAP{$path} or next;
		2950	$map->valid or next;
		2951	$map->save;
		2952	}
		2953	warn "end emergency map save\n";
		2954
		2955	warn "begin emergency database checkpoint\n";
		2956	BDB::db_env_txn_checkpoint $DB_ENV;
		2957	warn "end emergency database checkpoint\n";
		2958	};
		2959
		2960	warn "leave emergency perl save\n";
		2961	}
		2962
		2963	sub post_cleanup {
		2964	my ($make_core) = @_;
		2965
		2966	warn Carp::longmess "post_cleanup backtrace"
		2967	if $make_core;
		2968	}
		2969
2027	sub reload() {	2970	sub do_reload_perl() {
2028	# can/must only be called in main	2971	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2972	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2973	warn "can only reload from main coroutine";
2031	return;	2974	return;
2032	}	2975	}
2033		2976
2034	warn "reloading...";	2977	warn "reloading...";
2035		2978
2036	my $guard = freeze_mainloop;	2979	warn "entering sync_job";
		2980
		2981	cf::sync_job {
		2982	cf::write_runtime; # external watchdog should not bark
2037	cf::emergency_save;	2983	cf::emergency_save;
		2984	cf::write_runtime; # external watchdog should not bark
2038		2985
2039	eval {	2986	warn "syncing database to disk";
		2987	BDB::db_env_txn_checkpoint $DB_ENV;
		2988
2040	# if anything goes wrong in here, we should simply crash as we already saved	2989	# if anything goes wrong in here, we should simply crash as we already saved
2041		2990
2042	# cancel all watchers	2991	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2992	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2993	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2994	}
2046		2995
		2996	warn "flushing outstanding aio requests";
		2997	for (;;) {
		2998	BDB::flush;
		2999	IO::AIO::flush;
		3000	Coro::cede;
		3001	last unless IO::AIO::nreqs || BDB::nreqs;
		3002	warn "iterate...";
		3003	}
		3004
		3005	++$RELOAD;
		3006
2047	# cancel all extension coros	3007	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	3008	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	3009	%EXT_CORO = ();
2050		3010
2051	# unload all extensions	3011	warn "removing commands";
2052	for (@exts) {	3012	%COMMAND = ();
		3013
		3014	warn "removing ext/exti commands";
		3015	%EXTCMD = ();
		3016	%EXTICMD = ();
		3017
		3018	warn "unloading/nuking all extensions";
		3019	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	3020	warn "... unloading $pkg";
2054	unload_extension $_;	3021
		3022	if (my $cb = $pkg->can ("unload")) {
		3023	eval {
		3024	$cb->($pkg);
		3025	1
		3026	} or warn "$pkg unloaded, but with errors: $@";
2055	}	3027	}
2056		3028
		3029	warn "... nuking $pkg";
		3030	Symbol::delete_package $pkg;
		3031	}
		3032
2057	# unload all modules loaded from $LIBDIR	3033	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	3034	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		3036
2061	warn "removing <$k>";	3037	warn "... unloading $k";
2062	delete $INC{$k};	3038	delete $INC{$k};
2063		3039
2064	$k =~ s/\.pm$//;	3040	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	3041	$k =~ s/\//::/g;
2066		3042
…		…
2069	}	3045	}
2070		3046
2071	Symbol::delete_package $k;	3047	Symbol::delete_package $k;
2072	}	3048	}
2073		3049
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	3050	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	3051	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3052	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		3053
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	3054	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	3055	delete $INC{"cf.pm"};
		3056	delete $INC{"cf/pod.pm"};
2087		3057
2088	# don't, removes xs symbols, too,	3058	# don't, removes xs symbols, too,
2089	# and global variables created in xs	3059	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	3060	#Symbol::delete_package __PACKAGE__;
2091		3061
2092	# reload cf.pm	3062	warn "unload completed, starting to reload now";
		3063
2093	warn "reloading cf.pm";	3064	warn "reloading cf.pm";
2094	require cf;	3065	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3066	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		3067
2097	# load config and database again	3068	warn "loading config and database again";
2098	cf::cfg_load;	3069	cf::cfg_load;
2099	cf::db_load;
2100		3070
2101	# load extensions
2102	warn "load extensions";	3071	warn "loading extensions";
2103	cf::load_extensions;	3072	cf::load_extensions;
2104		3073
2105	# reattach attachments to objects	3074	warn "reattaching attachments to objects/players";
2106	warn "reattach";	3075	_global_reattach; # objects, sockets
2107	_global_reattach;	3076	warn "reattaching attachments to maps";
2108	};	3077	reattach $_ for values %MAP;
		3078	warn "reattaching attachments to players";
		3079	reattach $_ for values %PLAYER;
2109		3080
2110	if ($@) {	3081	warn "leaving sync_job";
		3082
		3083	1
		3084	} or do {
2111	warn $@;	3085	warn $@;
2112	warn "error while reloading, exiting.";	3086	warn "error while reloading, exiting.";
2113	exit 1;	3087	exit 1;
2114	}	3088	};
2115		3089
2116	warn "reloaded successfully";	3090	warn "reloaded";
2117	};	3091	};
2118		3092
2119	#############################################################################	3093	our $RELOAD_WATCHER; # used only during reload
2120		3094
2121	unless ($LINK_MAP) {	3095	sub reload_perl() {
2122	$LINK_MAP = cf::map::new;	3096	# doing reload synchronously and two reloads happen back-to-back,
		3097	# coro crashes during coro_state_free->destroy here.
2123		3098
2124	$LINK_MAP->width (41);	3099	$RELOAD_WATCHER ||= Event->timer (
2125	$LINK_MAP->height (41);	3100	reentrant => 0,
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,	3101	after => 0,
		3102	data => WF_AUTOCANCEL,
2134	cb => sub {	3103	cb => sub {
2135	$_[0]->w->cancel;	3104	do_reload_perl;
2136		3105	undef $RELOAD_WATCHER;
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});	3106	},
2155		3107	);
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}	3108	}
2161
2162	register "<global>", __PACKAGE__;
2163		3109
2164	register_command "reload" => sub {	3110	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	3111	my ($who, $arg) = @_;
2166		3112
2167	if ($who->flag (FLAG_WIZ)) {	3113	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");
2169	reload;
2170	$who->message ("end of reload.");	3114	$who->message ("reloading server.");
		3115	async { reload_perl };
2171	}	3116	}
2172	};	3117	};
2173		3118
2174	unshift @INC, $LIBDIR;	3119	unshift @INC, $LIBDIR;
2175		3120
		3121	my $bug_warning = 0;
		3122
		3123	our @WAIT_FOR_TICK;
		3124	our @WAIT_FOR_TICK_BEGIN;
		3125
		3126	sub wait_for_tick {
		3127	return unless $TICK_WATCHER->is_active;
		3128	return if $Coro::current == $Coro::main;
		3129
		3130	my $signal = new Coro::Signal;
		3131	push @WAIT_FOR_TICK, $signal;
		3132	$signal->wait;
		3133	}
		3134
		3135	sub wait_for_tick_begin {
		3136	return unless $TICK_WATCHER->is_active;
		3137	return if $Coro::current == $Coro::main;
		3138
		3139	my $signal = new Coro::Signal;
		3140	push @WAIT_FOR_TICK_BEGIN, $signal;
		3141	$signal->wait;
		3142	}
		3143
		3144	my $min = 1e6;#d#
		3145	my $avg = 10;
2176	$TICK_WATCHER = Event->timer (	3146	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	3147	reentrant => 0,
		3148	parked => 1,
2178	prio => 0,	3149	prio => 0,
2179	at => $NEXT_TICK || $TICK,	3150	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	3151	data => WF_AUTOCANCEL,
2181	cb => sub {	3152	cb => sub {
		3153	if ($Coro::current != $Coro::main) {
		3154	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3155	unless ++$bug_warning > 10;
		3156	return;
		3157	}
		3158
		3159	$NOW = $tick_start = Event::time;
		3160
2182	cf::server_tick; # one server iteration	3161	cf::server_tick; # one server iteration
		3162
		3163	0 && sync_job {#d#
		3164	for(1..10) {
		3165	my $t = Event::time;
		3166	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3167	or die;
		3168
		3169	$map->width (50);
		3170	$map->height (50);
		3171	$map->alloc;
		3172	$map->_load_objects ("/tmp/x.map", 1);
		3173	my $t = Event::time - $t;
		3174
		3175	#next unless $t < 0.0013;#d#
		3176	if ($t < $min) {
		3177	$min = $t;
		3178	}
		3179	$avg = $avg * 0.99 + $t * 0.01;
		3180	}
		3181	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3182	exit 0;
		3183	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3184	};
		3185
2183	$RUNTIME += $TICK;	3186	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	3187	$NEXT_TICK += $TICK;
2185		3188
		3189	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3190	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3191	Coro::async_pool {
		3192	write_runtime
		3193	or warn "ERROR: unable to write runtime file: $!";
		3194	};
		3195	}
		3196
		3197	# my $AFTER = Event::time;
		3198	# warn $AFTER - $NOW;#d#
		3199
		3200	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3201	$sig->send;
		3202	}
		3203	while (my $sig = shift @WAIT_FOR_TICK) {
		3204	$sig->send;
		3205	}
		3206
		3207	$NOW = Event::time;
		3208
2186	# if we are delayed by four ticks or more, skip them all	3209	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3210	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2188		3211
2189	$TICK_WATCHER->at ($NEXT_TICK);	3212	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	3213	$TICK_WATCHER->start;
		3214
		3215	$LOAD = ($NOW - $tick_start) / $TICK;
		3216	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3217
		3218	_post_tick;
		3219
		3220
2191	},	3221	},
2192	);	3222	);
2193		3223
		3224	{
2194	IO::AIO::max_poll_time $TICK * 0.2;	3225	BDB::max_poll_time $TICK * 0.1;
2195		3226	$BDB_POLL_WATCHER = Event->io (
2196	Event->io (	3227	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	3228	fd => BDB::poll_fileno,
2198	poll => 'r',	3229	poll => 'r',
2199	prio => 5,	3230	prio => 0,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,	3231	data => WF_AUTOCANCEL,
2206	after => 0,	3232	cb => \&BDB::poll_cb,
2207	interval => 10,	3233	);
2208	cb => sub {	3234	BDB::min_parallel 8;
2209	(Coro::unblock_sub {	3235
2210	write_runtime	3236	BDB::set_sync_prepare {
2211	or warn "ERROR: unable to write runtime file: $!";	3237	my $status;
		3238	my $current = $Coro::current;
		3239	(
		3240	sub {
		3241	$status = $!;
		3242	$current->ready; undef $current;
		3243	},
		3244	sub {
		3245	Coro::schedule while defined $current;
		3246	$! = $status;
		3247	},
		3248	)
		3249	};
		3250
		3251	unless ($DB_ENV) {
		3252	$DB_ENV = BDB::db_env_create;
		3253
		3254	cf::sync_job {
		3255	eval {
		3256	BDB::db_env_open
		3257	$DB_ENV,
		3258	$BDBDIR,
		3259	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3260	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3261	0666;
		3262
		3263	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3264
		3265	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3266	$DB_ENV->set_lk_detect;
		3267	};
		3268
		3269	cf::cleanup "db_env_open(db): $@" if $@;
2212	})->();	3270	};
2213	},	3271	}
2214	);	3272	}
		3273
		3274	{
		3275	IO::AIO::min_parallel 8;
		3276
		3277	undef $Coro::AIO::WATCHER;
		3278	IO::AIO::max_poll_time $TICK * 0.1;
		3279	$AIO_POLL_WATCHER = Event->io (
		3280	reentrant => 0,
		3281	data => WF_AUTOCANCEL,
		3282	fd => IO::AIO::poll_fileno,
		3283	poll => 'r',
		3284	prio => 6,
		3285	cb => \&IO::AIO::poll_cb,
		3286	);
		3287	}
		3288
		3289	my $_log_backtrace;
		3290
		3291	sub _log_backtrace {
		3292	my ($msg, @addr) = @_;
		3293
		3294	$msg =~ s/\n//;
		3295
		3296	# limit the # of concurrent backtraces
		3297	if ($_log_backtrace < 2) {
		3298	++$_log_backtrace;
		3299	async {
		3300	my @bt = fork_call {
		3301	@addr = map { sprintf "%x", $_ } @addr;
		3302	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3303	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3304	or die "addr2line: $!";
		3305
		3306	my @funcs;
		3307	my @res = <$fh>;
		3308	chomp for @res;
		3309	while (@res) {
		3310	my ($func, $line) = splice @res, 0, 2, ();
		3311	push @funcs, "[$func] $line";
		3312	}
		3313
		3314	@funcs
		3315	};
		3316
		3317	LOG llevInfo, "[ABT] $msg\n";
		3318	LOG llevInfo, "[ABT] $_\n" for @bt;
		3319	--$_log_backtrace;
		3320	};
		3321	} else {
		3322	LOG llevInfo, "[ABT] $msg\n";
		3323	LOG llevInfo, "[ABT] [suppressed]\n";
		3324	}
		3325	}
		3326
		3327	# load additional modules
		3328	use cf::pod;
2215		3329
2216	END { cf::emergency_save }	3330	END { cf::emergency_save }
2217		3331
2218	1	3332	1
2219		3333

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