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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.308 by root, Mon Jul 16 14:09:40 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 (2); # 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 $FREEZE;	94
55	our $RANDOM_MAPS = cf::localdir . "/random";	95	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
57		101
58	binmode STDOUT;	102	binmode STDOUT;
59	binmode STDERR;	103	binmode STDERR;
60		104
61	# read virtual server time, if available	105	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
66	}	110	}
67		111
68	mkdir cf::localdir;	112	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		114
74	# a special map that is always available	115	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		116
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	117	sub cf::map::normalise;
78		118
79	#############################################################################	119	#############################################################################
80		120
81	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
82		122
…		…
89	=item $cf::RUNTIME	129	=item $cf::RUNTIME
90		130
91	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
92	every server tick.	132	every server tick.
93		133
94	=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
95		137
96	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		142
99	=item $cf::NOW	143	=item $cf::NOW
100		144
101	The time of the last (current) server tick.	145	The time of the last (current) server tick.
102		146
103	=item $cf::TICK	147	=item $cf::TICK
104		148
105	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.
106		160
107	=item %cf::CFG	161	=item %cf::CFG
108		162
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		171
112	=back	172	=back
113		173
114	=cut	174	=cut
115		175
116	BEGIN {	176	BEGIN {
117	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	178	my $msg = join "", @_;
119	utf8::encode $msg;
120		179
121	$msg .= "\n"	180	$msg .= "\n"
122	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
123		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	186	LOG llevError, $msg;
125	};	187	};
126	}	188	}
127		189
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		197
135	# 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
136	# within the Safe compartment.	199	# within the Safe compartment.
137	for my $pkg (qw(	200	for my $pkg (qw(
138	cf::global cf::attachable	201	cf::global cf::attachable
…		…
147		210
148	$Event::DIED = sub {	211	$Event::DIED = sub {
149	warn "error in event callback: @_";	212	warn "error in event callback: @_";
150	};	213	};
151		214
152	my %ext_pkg;	215	#############################################################################
153	my @exts;
154	my @hook;
155		216
156	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
157		218
158	=over 4	219	=over 4
159		220
160	=cut	221	=item dumpval $ref
161		222
162	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	}
163		243
164	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
165		245
166	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
167		247
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
176		249
177	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
178		251
179	=cut	252	=cut
180		253
181	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
183	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
		257	sub from_json ($) { $json_coder->decode ($_[0]) }
		258
		259	=item cf::lock_wait $string
		260
		261	Wait until the given lock is available. See cf::lock_acquire.
		262
		263	=item my $lock = cf::lock_acquire $string
		264
		265	Wait until the given lock is available and then acquires it and returns
		266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		267	for example when the coroutine gets canceled), the lock is automatically
		268	returned.
		269
		270	Lock names should begin with a unique identifier (for example, cf::map::find
		271	uses map_find and cf::map::load uses map_load).
		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
		277	=cut
		278
		279	our %LOCK;
		280
		281	sub lock_wait($) {
		282	my ($key) = @_;
		283
		284	# wait for lock, if any
		285	while ($LOCK{$key}) {
		286	push @{ $LOCK{$key} }, $Coro::current;
		287	Coro::schedule;
		288	}
184	}	289	}
		290
		291	sub lock_acquire($) {
		292	my ($key) = @_;
		293
		294	# wait, to be sure we are not locked
		295	lock_wait $key;
		296
		297	$LOCK{$key} = [];
		298
		299	Coro::guard {
		300	# wake up all waiters, to be on the safe side
		301	$_->ready for @{ delete $LOCK{$key} };
		302	}
		303	}
		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
		311	sub freeze_mainloop {
		312	return unless $TICK_WATCHER->is_active;
		313
		314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
		317	$TICK_WATCHER->stop;
		318	$guard
		319	}
		320
		321	=item cf::async { BLOCK }
		322
		323	Currently the same as Coro::async_pool, meaning you cannot use
		324	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		325	thing you are allowed to do is call C<prio> on it.
		326
		327	=cut
		328
		329	BEGIN { *async = \&Coro::async_pool }
185		330
186	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
187		332
188	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
191		337
192	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
195	fast or be very important.	341	fast or be very important.
…		…
197	=cut	343	=cut
198		344
199	sub sync_job(&) {	345	sub sync_job(&) {
200	my ($job) = @_;	346	my ($job) = @_;
201		347
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
		351	# this is the main coro, too bad, we have to block
		352	# till the operation succeeds, freezing the server :/
		353
212	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	355	# (but this is cancel-safe)
		356	my $freeze_guard = freeze_mainloop;
		357
		358	my $busy = 1;
		359	my @res;
		360
		361	(async {
		362	@res = eval { $job->() };
		363	warn $@ if $@;
		364	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	365	})->prio (Coro::PRIO_MAX);
		366
215	while ($busy) {	367	while ($busy) {
216	Coro::cede_notself;	368	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	369	}
		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
		378	wantarray ? @res : $res[0]
219	} else {	379	} else {
220	$coro->join;	380	# we are in another coroutine, how wonderful, everything just works
		381
		382	$job->()
221	}	383	}
222
223	wantarray ? @res : $res[0]
224	}	384	}
225		385
226	=item $coro = cf::coro { BLOCK }	386	=item $coro = cf::async_ext { BLOCK }
227		387
228	Creates and returns a new coro. This coro is automcatially being canceled	388	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	389	extension calling this is being unloaded.
230		390
231	=cut	391	=cut
232		392
233	sub coro(&) {	393	sub async_ext(&) {
234	my $cb = shift;	394	my $cb = shift;
235		395
236	my $coro; $coro = async {	396	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		397
243	$coro->on_destroy (sub {	398	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	399	delete $EXT_CORO{$coro+0};
245	});	400	});
246	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
247		402
248	$coro	403	$coro
249	}	404	}
250		405
251	sub write_runtime {	406	=item fork_call { }, $args
252	my $runtime = cf::localdir . "/runtime";
253		407
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
255	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.
256		412
257	my $value = $cf::RUNTIME;	413	=cut
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;
260		414
261	aio_fsync $fh	415	sub _store_scalar {
262	and return;	416	open my $fh, ">", \my $buf
263		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
264	close $fh	419	close $fh;
265	or return;
266		420
267	aio_rename "$runtime~", $runtime	421	$buf
268	and return;	422	}
269		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
270	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
271	}	593	}
272		594
273	=back	595	=back
274		596
275	=cut	597	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		598
387	#############################################################################	599	#############################################################################
388		600
389	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
390		602
…		…
392	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")
393	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
394		606
395	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>
396	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
397	crossfire+).	609	Crossfire TRT).
398		610
399	=over 4	611	=over 4
400		612
401	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
402		614
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	729	our @CB_MAP = ();
518		730
519	my %attachment;	731	my %attachment;
520		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
521	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
523		741
524	use sort 'stable';	742	use sort 'stable';
525		743
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
560		778
561	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		783
566	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	785	my $pkg = shift @arg;
568		786
569	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
599	}	817	}
600		818
601	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
602	} else {	820	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	822	}
605		823
606	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
607	}	825	}
608		826
…		…
610	if (ref $_[0]) {	828	if (ref $_[0]) {
611	_object_attach @_;	829	_object_attach @_;
612	} else {	830	} else {
613	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
614	}	832	}
		833	_recalc_want;
615	};	834	};
616		835
617	# all those should be optimised	836	# all those should be optimised
618	sub cf::attachable::detach {	837	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
623	reattach ($obj);	842	reattach ($obj);
624	} else {	843	} else {
625	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
626	}	845	}
		846	_recalc_want;
627	};	847	};
628		848
629	sub cf::attachable::attached {	849	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
631		851
…		…
696	# object support	916	# object support
697		917
698	sub reattach {	918	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		923
702	my $registry = $obj->registry;	924	my $registry = $obj->registry;
703		925
704	@$registry = ();	926	@$registry = ();
705		927
…		…
752	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
753		975
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	980	close $fh;
759		981
760	if (@$objs) {	982	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	988	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
768	}	990	}
769	} else {	991	} else {
770	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
798	or return;	1020	or return;
799		1021
800	unless (aio_stat "$filename.pst") {	1022	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1023	(aio_load "$filename.pst", $av) >= 0
802	or return;	1024	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1026	}
805		1027
		1028	warn sprintf "loading %s (%d)\n",
		1029	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1030	return ($data, $av);
807	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
808		1038
809	#############################################################################	1039	#############################################################################
810	# command handling &c	1040	# command handling &c
811		1041
812	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1056	}
827		1057
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1059
830	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.
831		1065
832	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
833	called.	1067	called.
834		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
835	=cut	1080	=cut
836		1081
837	sub register_extcmd {	1082	sub register_extcmd {
838	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
839		1084
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
844	}	1092	}
845		1093
846	cf::player->attach (	1094	cf::player->attach (
847	on_command => sub {	1095	on_command => sub {
848	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
857	cf::override;	1105	cf::override;
858	},	1106	},
859	on_extcmd => sub {	1107	on_extcmd => sub {
860	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
861		1109
862	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
863		1111
864	if (ref $msg) {	1112	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	1116	}
869	}	1117	}
870	} else {	1118	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		1121
874	cf::override;	1122	cf::override;
875	},	1123	},
876	);	1124	);
877		1125
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	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($) {
885	my ($path) = @_;	1489	my ($path) = @_;
886		1490
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1491	my ($match, $specificity);
888	my $base = $1;
889	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";
892		1492
893	warn "loading '$path' into '$pkg'\n";	1493	for my $region (list) {
894		1494	if ($region->{match} && $path =~ $region->{match}) {
895	open my $fh, "<:utf8", $path	1495	($match, $specificity) = ($region, $region->specificity)
896	or die "$path: $!";	1496	if $region->specificity > $specificity;
897		1497	}
898	my $source =
899	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })
902	. "\n};\n1";
903
904	eval $source
905	or die $@ ? "$path: $@\n"
906	: "extension disabled.\n";
907
908	push @exts, $pkg;
909	$ext_pkg{$base} = $pkg;
910
911	# no strict 'refs';
912	# @{"$pkg\::ISA"} = ext::;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	1498	}
927		1499
928	# remove commands	1500	$match
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}
953
954	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;
957	eval {
958	load_extension $ext;
959	1
960	} or warn "$ext not loaded: $@";
961	}
962	}
963
964	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001
1002	=head2 CORE EXTENSIONS
1003
1004	Functions and methods that extend core crossfire objects.
1005
1006	=head3 cf::player
1007
1008	=over 4
1009
1010	=item cf::player::exists $login
1011
1012	Returns true when the given account exists.
1013
1014	=cut
1015
1016	sub cf::player::exists($) {
1017	cf::player::find $_[0]
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1019	}
1020
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022
1023	Sends an ext reply to the player.
1024
1025	=cut
1026
1027	sub cf::player::ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;
1029
1030	$msg{msgid} = $id;
1031
1032	$self->send ("ext " . to_json \%msg);
1033	}	1501	}
1034		1502
1035	=back	1503	=back
1036
1037		1504
1038	=head3 cf::map	1505	=head3 cf::map
1039		1506
1040	=over 4	1507	=over 4
1041		1508
…		…
1044	package cf::map;	1511	package cf::map;
1045		1512
1046	use Fcntl;	1513	use Fcntl;
1047	use Coro::AIO;	1514	use Coro::AIO;
1048		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1049	our $MAX_RESET = 7200;	1520	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1521	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1522
1054	sub generate_random_map {	1523	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1526	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$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},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(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 $self;
		1621	}
		1622	}
		1623
		1624	Carp::cluck "unable to resolve path '$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"
1071	}	1666	}
1072		1667
1073	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1074	# all maps in C++...	1669	# all maps in C++...
1075	sub change_all_map_light {	1670	sub change_all_map_light {
1076	my ($change) = @_;	1671	my ($change) = @_;
1077		1672
1078	$_->change_map_light ($change) for values %cf::MAP;	1673	$_->change_map_light ($change)
		1674	for grep $_->outdoor, values %cf::MAP;
1079	}	1675	}
1080		1676
		1677	sub decay_objects {
		1678	my ($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
1081	sub try_load_header($) {	1693	sub load_header_from($) {
1082	my ($path) = @_;	1694	my ($self, $path) = @_;
1083		1695
1084	utf8::encode $path;	1696	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1086	or return;	1701	or return;
1087		1702
1088	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
1089	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1090		1749
1091	$map->load_header ($path)	1750	$self->{deny_reset} = 1
1092	or return;	1751	if $self->no_reset;
1093		1752
1094	$map->{load_path} = $path;	1753	$self->default_region (cf::region::find_by_path $self->{path})
1095	use Data::Dumper; warn Dumper $map;#d#	1754	unless $self->default_region;
1096		1755
1097	$map	1756	1
1098	}	1757	}
1099		1758
		1759	sub find;
1100	sub find_map {	1760	sub find {
1101	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1102		1762
1103	#warn "find_map<$path,$origin>\n";#d#	1763	$path = normalise $path, $origin && $origin->path;
1104		1764
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1765	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1766
1108	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1109	# do it the slow way	1768	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1769	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1770	or return;
1124		1771
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1772	$map->{last_save} = $cf::RUNTIME;
1135		1773
1136	$map->reset if $map->should_reset;	1774	$map->load_header
		1775	or return;
1137		1776
		1777	if ($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;
		1780	$map->reset;
		1781	undef $guard;
		1782	return find $path;
		1783	}
		1784
1138	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1139	}	1786	}
1140	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1141		1791
1142	sub load {	1792	sub load {
1143	my ($self) = @_;	1793	my ($self) = @_;
1144		1794
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1795	local $self->{deny_reset} = 1; # loading can take a long time
1146
1147	$self->in_memory (cf::MAP_LOADING);
1148		1796
1149	my $path = $self->{path};	1797	my $path = $self->{path};
1150		1798
		1799	{
		1800	my $guard = cf::lock_acquire "map_load:$path";
		1801
		1802	return if $self->in_memory != cf::MAP_SWAPPED;
		1803
		1804	$self->in_memory (cf::MAP_LOADING);
		1805
1151	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1152	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1812	or return;
1154		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
1155	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1818	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1820	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1160	}	1822	}
1161	}	1823	}
1162		1824
		1825	Coro::cede;
1163	# now do the right thing for maps	1826	# now do the right thing for maps
1164	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1165
1166	if ($self->{path}->is_style_map) {
1167	$self->{deny_save} = 1;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;
1173	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1175	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;
1176	$self->activate;	1839	$self->activate;
1177	}	1840	}
1178		1841
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1843	}
1181		1844
1182	sub load_map_sync {	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	$neigh->load;
		1881	}
		1882	}
		1883
		1884	sub find_sync {
1183	my ($path, $origin) = @_;	1885	my ($path, $origin) = @_;
1184		1886
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1887	cf::sync_job { find $path, $origin }
		1888	}
1186		1889
1187	cf::sync_job {	1890	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1891	my ($map) = @_;
1189	or return;	1892
		1893	cf::sync_job { $map->load };
		1894	}
		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	if (my $map = find $path) {
1190	$map->load;	1913	$map->load;
1191	$map	1914	}
		1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
1192	}	1920	};
		1921	$MAP_PREFETCHER->prio (6);
		1922
		1923	()
1193	}	1924	}
1194		1925
1195	sub save {	1926	sub save {
1196	my ($self) = @_;	1927	my ($self) = @_;
1197		1928
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1930
1201	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1202		1932
1203	return unless $self->dirty;	1933	return unless $self->dirty;
1204		1934
		1935	my $save = $self->save_path; utf8::encode $save;
		1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1937
1205	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1206		1939
1207	return if $self->{deny_save};	1940	return if $self->{deny_save};
1208		1941
1209	warn "saving map ", $self->path;	1942	local $self->{last_access} = $self->last_access;#d#
		1943
		1944	cf::async {
		1945	$_->contr->save for $self->players;
		1946	};
1210		1947
1211	if ($uniq) {	1948	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1951	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1953	}
1217	}	1954	}
1218		1955
1219	sub swap_out {	1956	sub swap_out {
1220	my ($self) = @_;	1957	my ($self) = @_;
		1958
		1959	# save first because save cedes
		1960	$self->save;
		1961
		1962	my $lock = cf::lock_acquire "map_data:" . $self->path;
1221		1963
1222	return if $self->players;	1964	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1966	return if $self->{deny_save};
1225		1967
1226	$self->save;
1227	$self->clear;	1968	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1969	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1970	}
1230		1971
		1972	sub reset_at {
		1973	my ($self) = @_;
		1974
		1975	# TODO: safety, remove and allow resettable per-player maps
		1976	return 1e99 if $self->{deny_reset};
		1977
		1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1980
		1981	$time + $to
		1982	}
		1983
1231	sub should_reset {	1984	sub should_reset {
1232	my ($map) = @_;	1985	my ($self) = @_;
1233		1986
1234	# TODO: safety, remove and allow resettable per-player maps	1987	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242	}	1988	}
1243		1989
1244	sub reset {	1990	sub reset {
1245	my ($self) = @_;	1991	my ($self) = @_;
1246		1992
		1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1994
1247	return if $self->players;	1995	return if $self->players;
1248	return if $self->{path}{user_rel};#d#
1249		1996
1250	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
1251		1998
1252	utf8::encode (my $save = $self->{path}->save_path);	1999	$self->in_memory (cf::MAP_SWAPPED);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	2000
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	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	}
		2008
		2009	delete $cf::MAP{$self->path};
		2010
		2011	$self->clear;
1255		2012
1256	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1257		2014
		2015	$self->unlink_save;
1258	$self->clear;	2016	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	2017	}
1262		2018
1263	sub customise_for {	2019	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		2020
1266	if ($map->per_player) {	2021	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2022	my ($self) = @_;
		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
		2030	$self->{deny_save} = 1;
		2031	$self->reset_timeout (1);
		2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
		2036	$self->reset; # polite request, might not happen
		2037	}
		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
1268	}	2047	[
1269		2048	map {
1270	$map	2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
1271	}	2055	}
1272		2056
1273	sub emergency_save {	2057	=item $maps = cf::map::random_maps
1274	local $cf::FREEZE = 1;
1275		2058
1276	warn "enter emergency map save\n";	2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
1277		2061
1278	cf::sync_job {	2062	=cut
1279	warn "begin emergency map save\n";
1280	$_->save for values %cf::MAP;
1281	};
1282		2063
1283	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	]
1284	}	2091	}
1285		2092
1286	package cf;	2093	package cf;
1287		2094
1288	=back	2095	=back
1289		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
1290		2123
1291	=head3 cf::object::player	2124	=head3 cf::object::player
1292		2125
1293	=over 4	2126	=over 4
1294		2127
…		…
1308		2141
1309	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1310		2143
1311	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1312	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1313	} 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 {
1314	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1315	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1316	}	2163	}
1317	}	2164	}
1318		2165
1319	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1320		2167
…		…
1330	(ref $cf::CFG{"may_$access"}	2177	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2178	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	2179	: $cf::CFG{"may_$access"})
1333	}	2180	}
1334		2181
		2182	=item $player_object->enter_link
		2183
		2184	Freezes the player and moves him/her to a special map (C<{link}>).
		2185
		2186	The player should be reasonably safe there for short amounts of time. You
		2187	I<MUST> call C<leave_link> as soon as possible, though.
		2188
		2189	Will never block.
		2190
		2191	=item $player_object->leave_link ($map, $x, $y)
		2192
		2193	Moves the player out of the special C<{link}> map onto the specified
		2194	map. If the map is not valid (or omitted), the player will be moved back
		2195	to the location he/she was before the call to C<enter_link>, or, if that
		2196	fails, to the emergency map position.
		2197
		2198	Might block.
		2199
		2200	=cut
		2201
		2202	sub link_map {
		2203	unless ($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	$LINK_MAP
		2210	}
		2211
1335	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1336	my ($self) = @_;	2213	my ($self) = @_;
1337		2214
1338	return if $self->map == $LINK_MAP;
1339
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;
1342
1343	$self->enter_map ($LINK_MAP, 20, 20);
1344	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
		2216
		2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2218
		2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2220	if $self->map && $self->map->{path} ne "{link}";
		2221
		2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1345	}	2223	}
1346		2224
1347	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
1349		2227
		2228	return unless $self->contr->active;
		2229
1350	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1351		2231
1352	unless ($map) {	2232	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	2233	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	2234	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	2235	$map = cf::map::find $map;
1358		2236
1359	unless ($map) {	2237	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	2238	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	2239	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	2240	or die "FATAL: cannot load emergency map\n";
1363	}	2241	}
1364	}	2242	}
1365		2243
1366	($x, $y) = (-1, -1)	2244	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	2247	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	2248	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	2249	if $x <=0 && $y <= 0;
1372		2250
1373	$map->load;	2251	$map->load;
		2252	$map->load_diag;
1374		2253
		2254	return unless $self->contr->active;
1375	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1376	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1377	}	2259	}
1378		2260
1379	=item $player_object->goto_map ($map, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1380		2262
1381	=cut	2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position. In either case, $done will
		2267	be called at the end of this process.
1382		2268
		2269	=cut
		2270
		2271	our $GOTOGEN;
		2272
1383	sub cf::object::player::goto_map {	2273	sub cf::object::player::goto {
1384	my ($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;
1385		2278
1386	$self->enter_link;	2279	$self->enter_link;
1387		2280
1388	(Coro::async {	2281	(async {
1389	$path = new cf::path $path;	2282	my $map = eval {
1390
1391	my $map = cf::map::find_map $path->as_string;	2283	my $map = cf::map::find $path;
		2284
		2285	if ($map) {
1392	$map = $map->customise_for ($self) if $map;	2286	$map = $map->customise_for ($self);
		2287	$map = $check->($map) if $check && $map;
		2288	} else {
		2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	}
1393		2291
1394	warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	2292	$map
		2293	};
1396		2294
		2295	if ($@) {
		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};
1397	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
		2303	}
		2304
		2305	$done->() if $done;
1398	})->prio (1);	2306	})->prio (1);
1399	}	2307	}
1400		2308
1401	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1402		2310
…		…
1404		2312
1405	sub parse_random_map_params {	2313	sub parse_random_map_params {
1406	my ($spec) = @_;	2314	my ($spec) = @_;
1407		2315
1408	my $rmp = { # defaults	2316	my $rmp = { # defaults
1409	xsize => 10,	2317	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	2318	ysize => (cf::rndm 15, 40),
		2319	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2320	#layout => string,
1411	};	2321	};
1412		2322
1413	for (split /\n/, $spec) {	2323	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	2324	my ($k, $v) = split /\s+/, $_, 2;
1415		2325
…		…
1419	$rmp	2329	$rmp
1420	}	2330	}
1421		2331
1422	sub prepare_random_map {	2332	sub prepare_random_map {
1423	my ($exit) = @_;	2333	my ($exit) = @_;
		2334
		2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		2336
1425	# all this does is basically replace the /! path by	2337	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	2338	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	2339	# that depends on the exit object
1428		2340
1429	my $rmp = parse_random_map_params $exit->msg;	2341	my $rmp = parse_random_map_params $exit->msg;
1430		2342
1431	if ($exit->map) {	2343	if ($exit->map) {
1432	$rmp->{region} = $exit->map->region_name;	2344	$rmp->{region} = $exit->region->name;
1433	$rmp->{origin_map} = $exit->map->path;	2345	$rmp->{origin_map} = $exit->map->path;
1434	$rmp->{origin_x} = $exit->x;	2346	$rmp->{origin_x} = $exit->x;
1435	$rmp->{origin_y} = $exit->y;	2347	$rmp->{origin_y} = $exit->y;
1436	}	2348	}
1437		2349
1438	$rmp->{random_seed} ||= $exit->random_seed;	2350	$rmp->{random_seed} ||= $exit->random_seed;
1439		2351
1440	my $data = cf::to_json $rmp;	2352	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	2353	my $md5 = Digest::MD5::md5_hex $data;
		2354	my $meta = "$RANDOMDIR/$md5.meta";
1442		2355
1443	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) {
1444	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;
1445		2360
1446	$exit->slaying ("?random/$md5");	2361	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	2362	$exit->msg (undef);
1448	}	2363	}
1449	}	2364	}
…		…
1451	sub cf::object::player::enter_exit {	2366	sub cf::object::player::enter_exit {
1452	my ($self, $exit) = @_;	2367	my ($self, $exit) = @_;
1453		2368
1454	return unless $self->type == cf::PLAYER;	2369	return unless $self->type == cf::PLAYER;
1455		2370
		2371	if ($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
1456	$self->enter_link;	2382	$self->enter_link;
1457		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);
		2387
1458	(Coro::async {	2388	(async {
		2389	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	2390	unless (eval {
1460		2391	$self->goto ($slaying, $hp, $sp);
1461	prepare_random_map $exit
1462	if $exit->slaying eq "/!";
1463
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1466		2392
1467	1;	2393	1;
1468	}) {	2394	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	2395	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "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. "
1471	. "Please report this to the dungeon master",	2397	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	2398	cf::NDI_UNIQUE | cf::NDI_RED);
1473		2399
1474	warn "ERROR in enter_exit: $@";	2400	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	2401	$self->leave_link;
1476	}	2402	}
1477	})->prio (1);	2403	})->prio (1);
…		…
1490		2416
1491	sub cf::client::send_drawinfo {	2417	sub cf::client::send_drawinfo {
1492	my ($self, $text, $flags) = @_;	2418	my ($self, $text, $flags) = @_;
1493		2419
1494	utf8::encode $text;	2420	utf8::encode $text;
1495	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1496	}	2422	}
1497		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	}
1498		2478
1499	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
1500		2480
1501	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
1502	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>,
1503	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>.
1504		2484
1505	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
1506	reliable at some point in the future.	2486	become reliable at some point in the future.
1507		2487
1508	=cut	2488	=cut
1509		2489
1510	sub cf::client::query {	2490	sub cf::client::query {
1511	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
1519	utf8::encode $text;	2499	utf8::encode $text;
1520	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1521		2501
1522	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
1523	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
1524	}	2506	}
1525		2507
1526	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	},
1527	on_reply => sub {	2514	on_reply => sub {
1528	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
1529		2516
1530	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
1531	# get handled first	2518	# get handled first
1532	my $queue = delete $ns->{query_queue};	2519	my $queue = delete $ns->{query_queue}
		2520	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		2521
1534	(shift @$queue)->[1]->($msg);	2522	(shift @$queue)->[1]->($msg);
		2523	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1535		2524
1536	push @{ $ns->{query_queue} }, @$queue;	2525	push @{ $ns->{query_queue} }, @$queue;
1537		2526
1538	if (@{ $ns->{query_queue} } == @$queue) {	2527	if (@{ $ns->{query_queue} } == @$queue) {
1539	if (@$queue) {	2528	if (@$queue) {
…		…
1541	} else {	2530	} else {
1542	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1543	}	2532	}
1544	}	2533	}
1545	},	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	},
1546	);	2553	);
1547		2554
1548	=item $client->coro (\&cb)	2555	=item $client->async (\&cb)
1549		2556
1550	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	2558	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	2559	or loss of connection).
1553		2560
1554	=cut	2561	=cut
1555		2562
1556	sub cf::client::coro {	2563	sub cf::client::async {
1557	my ($self, $cb) = @_;	2564	my ($self, $cb) = @_;
1558		2565
1559	my $coro; $coro = async {	2566	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		2567
1566	$coro->on_destroy (sub {	2568	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	2569	delete $self->{_coro}{$coro+0};
1568	});	2570	});
1569		2571
…		…
1602		2604
1603	# here we export the classes and methods available to script code	2605	# here we export the classes and methods available to script code
1604		2606
1605	=pod	2607	=pod
1606		2608
1607	The following fucntions and emthods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
1608		2610
1609	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
1610	cf::object::player player	2615	cf::object::player
1611	cf::player peaceful	2616	player
1612	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
1613		2623
1614	=cut	2624	=cut
1615		2625
1616	for (	2626	for (
1617	["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)],
1618	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
1619	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
1620	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
1621	) {	2632	) {
1622	no strict 'refs';	2633	no strict 'refs';
…		…
1693	=back	2704	=back
1694		2705
1695	=cut	2706	=cut
1696		2707
1697	#############################################################################	2708	#############################################################################
		2709	# the server's init and main functions
1698		2710
1699	=head2 EXTENSION DATABASE SUPPORT	2711	sub load_facedata($) {
		2712	my ($path) = @_;
1700		2713
1701	Crossfire maintains a very simple database for extension use. It can	2714	warn "loading facedata from $path\n";
1702	currently store anything that can be serialised using Storable, which
1703	excludes objects.
1704		2715
1705	The parameter C<$family> should best start with the name of the extension	2716	my $facedata;
1706	using it, it should be unique.	2717	0 < aio_load $path, $facedata
		2718	or die "$path: $!";
1707		2719
1708	=over 4	2720	$facedata = Coro::Storable::thaw $facedata;
1709		2721
1710	=item $hashref = cf::db_get $family	2722	$facedata->{version} == 2
		2723	or cf::cleanup "$path: version mismatch, cannot proceed.";
1711		2724
1712	Return a hashref for use by the extension C<$family>, which can be
1713	modified. After modifications, you have to call C<cf::db_dirty> or
1714	C<cf::db_sync>.
1715
1716	=item $value = cf::db_get $family => $key
1717
1718	Returns a single value from the database
1719
1720	=item cf::db_put $family => $hashref
1721
1722	Stores the given family hashref into the database. Updates are delayed, if
1723	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1724
1725	=item cf::db_put $family => $key => $value
1726
1727	Stores the given C<$value> in the family hash. Updates are delayed, if you
1728	want the data to be synced to disk immediately, use C<cf::db_sync>.
1729
1730	=item cf::db_dirty
1731
1732	Marks the database as dirty, to be updated at a later time.
1733
1734	=item cf::db_sync
1735
1736	Immediately write the database to disk I<if it is dirty>.
1737
1738	=cut
1739
1740	our $DB;
1741
1742	{
1743	my $path = cf::localdir . "/database.pst";
1744
1745	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2725	{
		2726	my $faces = $facedata->{faceinfo};
1749		2727
1750	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};
1751		2734
1752	sub db_save() {	2735	cf::cede_to_tick;
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;
1759	cf::_exit 0 if defined $pid;
1760	}
1761	}
1762
1763	my $dirty;
1764
1765	sub db_sync() {
1766	db_save if $dirty;
1767	undef $dirty;
1768	}
1769
1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1771	db_sync;
1772	});
1773
1774	sub db_dirty() {
1775	$dirty = 1;
1776	$idle->start;
1777	}
1778
1779	sub db_get($;$) {
1780	@_ >= 2
1781	? $DB->{$_[0]}{$_[1]}
1782	: ($DB->{$_[0]} ||= { })
1783	}
1784
1785	sub db_put($$;$) {
1786	if (@_ >= 3) {
1787	$DB->{$_[0]}{$_[1]} = $_[2];
1788	} else {
1789	$DB->{$_[0]} = $_[1];
1790	}
1791	db_dirty;
1792	}
1793
1794	cf::global->attach (
1795	prio => 10000,
1796	on_cleanup => sub {
1797	db_sync;
1798	},	2736	}
1799	);
1800	}
1801		2737
1802	#############################################################################	2738	while (my ($face, $info) = each %$faces) {
1803	# 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
		2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2778
		2779	if ($name =~ /\.jpg$/) {
		2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2782	} else {
		2783	my $data = pack "(w/a*)*", $meta, $info->{data};
		2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2785
		2786	cf::face::set_type $idx, 1;
		2787	cf::face::set_data $idx, 0, $data, $chk;
		2788	}
		2789
		2790	cf::cede_to_tick;
		2791	}
		2792	}
		2793
		2794	1
		2795	}
		2796
		2797	sub reload_regions {
		2798	load_resource_file "$MAPDIR/regions"
		2799	or die "unable to load regions file\n";
		2800
		2801	for (cf::region::list) {
		2802	$_->{match} = qr/$_->{match}/
		2803	if exists $_->{match};
		2804	}
		2805	}
		2806
		2807	sub reload_facedata {
		2808	load_facedata "$DATADIR/facedata"
		2809	or die "unable to load facedata\n";
		2810	}
		2811
		2812	sub reload_archetypes {
		2813	load_resource_file "$DATADIR/archetypes"
		2814	or die "unable to load archetypes\n";
		2815	#d# NEED to laod twice to resolve forward references
		2816	# this really needs to be done in an extra post-pass
		2817	# (which needs to be synchronous, so solve it differently)
		2818	load_resource_file "$DATADIR/archetypes"
		2819	or die "unable to load archetypes\n";
		2820	}
		2821
		2822	sub reload_treasures {
		2823	load_resource_file "$DATADIR/treasures"
		2824	or die "unable to load treasurelists\n";
		2825	}
		2826
		2827	sub reload_resources {
		2828	warn "reloading resource files...\n";
		2829
		2830	reload_regions;
		2831	reload_facedata;
		2832	#reload_archetypes;#d#
		2833	reload_archetypes;
		2834	reload_treasures;
		2835
		2836	warn "finished reloading resource files\n";
		2837	}
		2838
		2839	sub init {
		2840	reload_resources;
		2841	}
1804		2842
1805	sub cfg_load {	2843	sub cfg_load {
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2844	open my $fh, "<:utf8", "$CONFDIR/config"
1807	or return;	2845	or return;
1808		2846
1809	local $/;	2847	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2848	*CFG = YAML::Syck::Load <$fh>;
		2849
		2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2851
		2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2854
		2855	if (exists $CFG{mlockall}) {
		2856	eval {
		2857	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2858	and die "WARNING: m(un)lockall failed: $!\n";
		2859	};
		2860	warn $@ if $@;
		2861	}
1811	}	2862	}
1812		2863
1813	sub main {	2864	sub main {
1814	# we must not ever block the main coroutine	2865	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2866	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	2868	(async {
1818	Event::one_event;	2869	Event::one_event;
1819	})->();	2870	})->prio (Coro::PRIO_MAX);
1820	};	2871	};
1821		2872
1822	cfg_load;	2873	cfg_load;
1823	db_load;	2874	db_init;
1824	load_extensions;	2875	load_extensions;
		2876
		2877	$TICK_WATCHER->start;
1825	Event::loop;	2878	Event::loop;
1826	}	2879	}
1827		2880
1828	#############################################################################	2881	#############################################################################
1829	# initialisation	2882	# initialisation and cleanup
1830		2883
1831	sub perl_reload() {	2884	# install some emergency cleanup handlers
		2885	BEGIN {
		2886	for my $signal (qw(INT HUP TERM)) {
		2887	Event->signal (
		2888	reentrant => 0,
		2889	data => WF_AUTOCANCEL,
		2890	signal => $signal,
		2891	prio => 0,
		2892	cb => sub {
		2893	cf::cleanup "SIG$signal";
		2894	},
		2895	);
		2896	}
		2897	}
		2898
		2899	sub write_runtime {
		2900	my $runtime = "$LOCALDIR/runtime";
		2901
		2902	# first touch the runtime file to show we are still running:
		2903	# the fsync below can take a very very long time.
		2904
		2905	IO::AIO::aio_utime $runtime, undef, undef;
		2906
		2907	my $guard = cf::lock_acquire "write_runtime";
		2908
		2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2910	or return;
		2911
		2912	my $value = $cf::RUNTIME + 90 + 10;
		2913	# 10 is the runtime save interval, for a monotonic clock
		2914	# 60 allows for the watchdog to kill the server.
		2915
		2916	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2917	and return;
		2918
		2919	# always fsync - this file is important
		2920	aio_fsync $fh
		2921	and return;
		2922
		2923	# touch it again to show we are up-to-date
		2924	aio_utime $fh, undef, undef;
		2925
		2926	close $fh
		2927	or return;
		2928
		2929	aio_rename "$runtime~", $runtime
		2930	and return;
		2931
		2932	warn "runtime file written.\n";
		2933
		2934	1
		2935	}
		2936
		2937	sub emergency_save() {
		2938	my $freeze_guard = cf::freeze_mainloop;
		2939
		2940	warn "enter emergency perl save\n";
		2941
		2942	cf::sync_job {
		2943	# use a peculiar iteration method to avoid tripping on perl
		2944	# refcount bugs in for. also avoids problems with players
		2945	# and maps saved/destroyed asynchronously.
		2946	warn "begin emergency player save\n";
		2947	for my $login (keys %cf::PLAYER) {
		2948	my $pl = $cf::PLAYER{$login} or next;
		2949	$pl->valid or next;
		2950	$pl->save;
		2951	}
		2952	warn "end emergency player save\n";
		2953
		2954	warn "begin emergency map save\n";
		2955	for my $path (keys %cf::MAP) {
		2956	my $map = $cf::MAP{$path} or next;
		2957	$map->valid or next;
		2958	$map->save;
		2959	}
		2960	warn "end emergency map save\n";
		2961
		2962	warn "begin emergency database checkpoint\n";
		2963	BDB::db_env_txn_checkpoint $DB_ENV;
		2964	warn "end emergency database checkpoint\n";
		2965	};
		2966
		2967	warn "leave emergency perl save\n";
		2968	}
		2969
		2970	sub post_cleanup {
		2971	my ($make_core) = @_;
		2972
		2973	warn Carp::longmess "post_cleanup backtrace"
		2974	if $make_core;
		2975	}
		2976
		2977	sub do_reload_perl() {
1832	# can/must only be called in main	2978	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2979	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2980	warn "can only reload from main coroutine";
1835	return;	2981	return;
1836	}	2982	}
1837		2983
1838	warn "reloading...";	2984	warn "reloading...";
1839		2985
1840	local $FREEZE = 1;	2986	warn "entering sync_job";
		2987
		2988	cf::sync_job {
		2989	cf::write_runtime; # external watchdog should not bark
1841	cf::emergency_save;	2990	cf::emergency_save;
		2991	cf::write_runtime; # external watchdog should not bark
1842		2992
1843	eval {	2993	warn "syncing database to disk";
		2994	BDB::db_env_txn_checkpoint $DB_ENV;
		2995
1844	# if anything goes wrong in here, we should simply crash as we already saved	2996	# if anything goes wrong in here, we should simply crash as we already saved
1845		2997
1846	# cancel all watchers	2998	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	2999	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	3000	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	3001	}
1850		3002
		3003	warn "flushing outstanding aio requests";
		3004	for (;;) {
		3005	BDB::flush;
		3006	IO::AIO::flush;
		3007	Coro::cede;
		3008	last unless IO::AIO::nreqs || BDB::nreqs;
		3009	warn "iterate...";
		3010	}
		3011
		3012	++$RELOAD;
		3013
1851	# cancel all extension coros	3014	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	3015	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	3016	%EXT_CORO = ();
1854		3017
1855	# unload all extensions	3018	warn "removing commands";
1856	for (@exts) {	3019	%COMMAND = ();
		3020
		3021	warn "removing ext/exti commands";
		3022	%EXTCMD = ();
		3023	%EXTICMD = ();
		3024
		3025	warn "unloading/nuking all extensions";
		3026	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	3027	warn "... unloading $pkg";
1858	unload_extension $_;	3028
		3029	if (my $cb = $pkg->can ("unload")) {
		3030	eval {
		3031	$cb->($pkg);
		3032	1
		3033	} or warn "$pkg unloaded, but with errors: $@";
1859	}	3034	}
1860		3035
		3036	warn "... nuking $pkg";
		3037	Symbol::delete_package $pkg;
		3038	}
		3039
1861	# unload all modules loaded from $LIBDIR	3040	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	3041	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		3043
1865	warn "removing <$k>";	3044	warn "... unloading $k";
1866	delete $INC{$k};	3045	delete $INC{$k};
1867		3046
1868	$k =~ s/\.pm$//;	3047	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	3048	$k =~ s/\//::/g;
1870		3049
…		…
1873	}	3052	}
1874		3053
1875	Symbol::delete_package $k;	3054	Symbol::delete_package $k;
1876	}	3055	}
1877		3056
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	3057	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	3058	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		3060
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	3061	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	3062	delete $INC{"cf.pm"};
		3063	delete $INC{"cf/pod.pm"};
1891		3064
1892	# don't, removes xs symbols, too,	3065	# don't, removes xs symbols, too,
1893	# and global variables created in xs	3066	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	3067	#Symbol::delete_package __PACKAGE__;
1895		3068
1896	# reload cf.pm	3069	warn "unload completed, starting to reload now";
		3070
1897	warn "reloading cf.pm";	3071	warn "reloading cf.pm";
1898	require cf;	3072	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		3074
1901	# load config and database again	3075	warn "loading config and database again";
1902	cf::cfg_load;	3076	cf::cfg_load;
1903	cf::db_load;
1904		3077
1905	# load extensions
1906	warn "load extensions";	3078	warn "loading extensions";
1907	cf::load_extensions;	3079	cf::load_extensions;
1908		3080
1909	# reattach attachments to objects	3081	warn "reattaching attachments to objects/players";
1910	warn "reattach";	3082	_global_reattach; # objects, sockets
1911	_global_reattach;	3083	warn "reattaching attachments to maps";
1912	};	3084	reattach $_ for values %MAP;
		3085	warn "reattaching attachments to players";
		3086	reattach $_ for values %PLAYER;
1913		3087
1914	if ($@) {	3088	warn "leaving sync_job";
		3089
		3090	1
		3091	} or do {
1915	warn $@;	3092	warn $@;
1916	warn "error while reloading, exiting.";	3093	warn "error while reloading, exiting.";
1917	exit 1;	3094	exit 1;
1918	}	3095	};
1919		3096
1920	warn "reloaded successfully";	3097	warn "reloaded";
1921	};	3098	};
1922		3099
1923	#############################################################################	3100	our $RELOAD_WATCHER; # used only during reload
1924		3101
1925	unless ($LINK_MAP) {	3102	sub reload_perl() {
1926	$LINK_MAP = cf::map::new;	3103	# doing reload synchronously and two reloads happen back-to-back,
		3104	# coro crashes during coro_state_free->destroy here.
1927		3105
1928	$LINK_MAP->width (41);	3106	$RELOAD_WATCHER ||= Event->timer (
1929	$LINK_MAP->height (41);	3107	reentrant => 0,
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934
1935	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (
1937	after => 2,	3108	after => 0,
		3109	data => WF_AUTOCANCEL,
1938	cb => sub {	3110	cb => sub {
1939	$_[0]->w->cancel;	3111	do_reload_perl;
1940		3112	undef $RELOAD_WATCHER;
1941	# provide some exits "home"
1942	my $exit = cf::object::new "exit";
1943
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});	3113	},
1959		3114	);
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	3115	}
1965		3116
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	3117	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	3118	my ($who, $arg) = @_;
1970		3119
1971	if ($who->flag (FLAG_WIZ)) {	3120	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end of reload.");	3121	$who->message ("reloading server.");
		3122	async { reload_perl };
1975	}	3123	}
1976	};	3124	};
1977		3125
1978	unshift @INC, $LIBDIR;	3126	unshift @INC, $LIBDIR;
1979		3127
		3128	my $bug_warning = 0;
		3129
		3130	our @WAIT_FOR_TICK;
		3131	our @WAIT_FOR_TICK_BEGIN;
		3132
		3133	sub wait_for_tick {
		3134	return unless $TICK_WATCHER->is_active;
		3135	return if $Coro::current == $Coro::main;
		3136
		3137	my $signal = new Coro::Signal;
		3138	push @WAIT_FOR_TICK, $signal;
		3139	$signal->wait;
		3140	}
		3141
		3142	sub wait_for_tick_begin {
		3143	return unless $TICK_WATCHER->is_active;
		3144	return if $Coro::current == $Coro::main;
		3145
		3146	my $signal = new Coro::Signal;
		3147	push @WAIT_FOR_TICK_BEGIN, $signal;
		3148	$signal->wait;
		3149	}
		3150
		3151	my $min = 1e6;#d#
		3152	my $avg = 10;
1980	$TICK_WATCHER = Event->timer (	3153	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	3154	reentrant => 0,
		3155	parked => 1,
1982	prio => 0,	3156	prio => 0,
1983	at => $NEXT_TICK || $TICK,	3157	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	3158	data => WF_AUTOCANCEL,
1985	cb => sub {	3159	cb => sub {
1986	unless ($FREEZE) {	3160	if ($Coro::current != $Coro::main) {
		3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3162	unless ++$bug_warning > 10;
		3163	return;
		3164	}
		3165
		3166	$NOW = $tick_start = Event::time;
		3167
1987	cf::server_tick; # one server iteration	3168	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	3169
		3170	0 && sync_job {#d#
		3171	for(1..10) {
		3172	my $t = Event::time;
		3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3174	or die;
		3175
		3176	$map->width (50);
		3177	$map->height (50);
		3178	$map->alloc;
		3179	$map->_load_objects ("/tmp/x.map", 1);
		3180	my $t = Event::time - $t;
		3181
		3182	#next unless $t < 0.0013;#d#
		3183	if ($t < $min) {
		3184	$min = $t;
		3185	}
		3186	$avg = $avg * 0.99 + $t * 0.01;
		3187	}
		3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3189	exit 0;
		3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
1989	}	3191	};
1990		3192
		3193	$RUNTIME += $TICK;
1991	$NEXT_TICK += $TICK;	3194	$NEXT_TICK += $TICK;
1992		3195
		3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3198	Coro::async_pool {
		3199	write_runtime
		3200	or warn "ERROR: unable to write runtime file: $!";
		3201	};
		3202	}
		3203
		3204	# my $AFTER = Event::time;
		3205	# warn $AFTER - $NOW;#d#
		3206
		3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3208	$sig->send;
		3209	}
		3210	while (my $sig = shift @WAIT_FOR_TICK) {
		3211	$sig->send;
		3212	}
		3213
		3214	$NOW = Event::time;
		3215
1993	# if we are delayed by four ticks or more, skip them all	3216	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1995		3218
1996	$TICK_WATCHER->at ($NEXT_TICK);	3219	$TICK_WATCHER->at ($NEXT_TICK);
1997	$TICK_WATCHER->start;	3220	$TICK_WATCHER->start;
		3221
		3222	$LOAD = ($NOW - $tick_start) / $TICK;
		3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3224
		3225	_post_tick;
		3226
		3227
1998	},	3228	},
1999	);	3229	);
2000		3230
		3231	{
2001	IO::AIO::max_poll_time $TICK * 0.2;	3232	BDB::max_poll_time $TICK * 0.1;
2002		3233	$BDB_POLL_WATCHER = Event->io (
2003	Event->io (	3234	reentrant => 0,
2004	fd => IO::AIO::poll_fileno,	3235	fd => BDB::poll_fileno,
2005	poll => 'r',	3236	poll => 'r',
2006	prio => 5,	3237	prio => 0,
2007	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,
2009	);
2010
2011	Event->timer (
2012	data => WF_AUTOCANCEL,	3238	data => WF_AUTOCANCEL,
2013	after => 0,	3239	cb => \&BDB::poll_cb,
2014	interval => 10,	3240	);
2015	cb => sub {	3241	BDB::min_parallel 8;
2016	(Coro::unblock_sub {	3242
2017	write_runtime	3243	BDB::set_sync_prepare {
2018	or warn "ERROR: unable to write runtime file: $!";	3244	my $status;
		3245	my $current = $Coro::current;
		3246	(
		3247	sub {
		3248	$status = $!;
		3249	$current->ready; undef $current;
		3250	},
		3251	sub {
		3252	Coro::schedule while defined $current;
		3253	$! = $status;
		3254	},
		3255	)
		3256	};
		3257
		3258	unless ($DB_ENV) {
		3259	$DB_ENV = BDB::db_env_create;
		3260
		3261	cf::sync_job {
		3262	eval {
		3263	BDB::db_env_open
		3264	$DB_ENV,
		3265	$BDBDIR,
		3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3268	0666;
		3269
		3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3271
		3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3273	$DB_ENV->set_lk_detect;
		3274	};
		3275
		3276	cf::cleanup "db_env_open(db): $@" if $@;
2019	})->();	3277	};
2020	},	3278	}
2021	);	3279	}
		3280
		3281	{
		3282	IO::AIO::min_parallel 8;
		3283
		3284	undef $Coro::AIO::WATCHER;
		3285	IO::AIO::max_poll_time $TICK * 0.1;
		3286	$AIO_POLL_WATCHER = Event->io (
		3287	reentrant => 0,
		3288	data => WF_AUTOCANCEL,
		3289	fd => IO::AIO::poll_fileno,
		3290	poll => 'r',
		3291	prio => 6,
		3292	cb => \&IO::AIO::poll_cb,
		3293	);
		3294	}
		3295
		3296	my $_log_backtrace;
		3297
		3298	sub _log_backtrace {
		3299	my ($msg, @addr) = @_;
		3300
		3301	$msg =~ s/\n//;
		3302
		3303	# limit the # of concurrent backtraces
		3304	if ($_log_backtrace < 2) {
		3305	++$_log_backtrace;
		3306	async {
		3307	my @bt = fork_call {
		3308	@addr = map { sprintf "%x", $_ } @addr;
		3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3311	or die "addr2line: $!";
		3312
		3313	my @funcs;
		3314	my @res = <$fh>;
		3315	chomp for @res;
		3316	while (@res) {
		3317	my ($func, $line) = splice @res, 0, 2, ();
		3318	push @funcs, "[$func] $line";
		3319	}
		3320
		3321	@funcs
		3322	};
		3323
		3324	LOG llevInfo, "[ABT] $msg\n";
		3325	LOG llevInfo, "[ABT] $_\n" for @bt;
		3326	--$_log_backtrace;
		3327	};
		3328	} else {
		3329	LOG llevInfo, "[ABT] $msg\n";
		3330	LOG llevInfo, "[ABT] [suppressed]\n";
		3331	}
		3332	}
		3333
		3334	# load additional modules
		3335	use cf::pod;
		3336
		3337	END { cf::emergency_save }
2022		3338
2023	1	3339	1
2024		3340

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