ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs.
Revision 1.307 by root, Sun Jul 15 22:39:48 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 ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
191		337
192	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
195	fast or be very important.	341	fast or be very important.
…		…
198		344
199	sub sync_job(&) {	345	sub sync_job(&) {
200	my ($job) = @_;	346	my ($job) = @_;
201		347
202	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
203	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
205		353
206	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	355	# (but this is cancel-safe)
208	local $FREEZE = 1;	356	my $freeze_guard = freeze_mainloop;
209		357
210	my $busy = 1;	358	my $busy = 1;
211	my @res;	359	my @res;
212		360
213	(Coro::async {	361	(async {
214	@res = eval { $job->() };	362	@res = eval { $job->() };
215	warn $@ if $@;	363	warn $@ if $@;
216	undef $busy;	364	undef $busy;
217	})->prio (Coro::PRIO_MAX);	365	})->prio (Coro::PRIO_MAX);
218		366
219	while ($busy) {	367	while ($busy) {
220	Coro::cede_notself;	368	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	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
223		377
224	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
225	} else {	379	} else {
226	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
227		381
228	$job->()	382	$job->()
229	}	383	}
230	}	384	}
231		385
232	=item $coro = cf::coro { BLOCK }	386	=item $coro = cf::async_ext { BLOCK }
233		387
234	Creates and returns a new coro. This coro is automcatially being canceled	388	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	389	extension calling this is being unloaded.
236		390
237	=cut	391	=cut
238		392
239	sub coro(&) {	393	sub async_ext(&) {
240	my $cb = shift;	394	my $cb = shift;
241		395
242	my $coro; $coro = async {	396	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		397
249	$coro->on_destroy (sub {	398	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	399	delete $EXT_CORO{$coro+0};
251	});	400	});
252	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
253		402
254	$coro	403	$coro
255	}	404	}
256		405
257	sub write_runtime {	406	=item fork_call { }, $args
258	my $runtime = cf::localdir . "/runtime";
259		407
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
261	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.
262		412
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;
266		414
267	aio_fsync $fh	415	sub _store_scalar {
268	and return;	416	open my $fh, ">", \my $buf
269		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
270	close $fh	419	close $fh;
271	or return;
272		420
273	aio_rename "$runtime~", $runtime	421	$buf
274	and return;	422	}
275		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
276	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
277	}	593	}
278		594
279	=back	595	=back
280		596
281	=cut	597	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		598
393	#############################################################################	599	#############################################################################
394		600
395	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
396		602
…		…
398	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")
399	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
400		606
401	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>
402	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
403	crossfire+).	609	Crossfire TRT).
404		610
405	=over 4	611	=over 4
406		612
407	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
408		614
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	729	our @CB_MAP = ();
524		730
525	my %attachment;	731	my %attachment;
526		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
527	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
529		741
530	use sort 'stable';	742	use sort 'stable';
531		743
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
566		778
567	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		783
572	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	785	my $pkg = shift @arg;
574		786
575	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
605	}	817	}
606		818
607	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
608	} else {	820	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	822	}
611		823
612	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
613	}	825	}
614		826
…		…
616	if (ref $_[0]) {	828	if (ref $_[0]) {
617	_object_attach @_;	829	_object_attach @_;
618	} else {	830	} else {
619	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
620	}	832	}
		833	_recalc_want;
621	};	834	};
622		835
623	# all those should be optimised	836	# all those should be optimised
624	sub cf::attachable::detach {	837	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
629	reattach ($obj);	842	reattach ($obj);
630	} else {	843	} else {
631	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
632	}	845	}
		846	_recalc_want;
633	};	847	};
634		848
635	sub cf::attachable::attached {	849	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
637		851
…		…
702	# object support	916	# object support
703		917
704	sub reattach {	918	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		923
708	my $registry = $obj->registry;	924	my $registry = $obj->registry;
709		925
710	@$registry = ();	926	@$registry = ();
711		927
…		…
758	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
759		975
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	980	close $fh;
765		981
766	if (@$objs) {	982	if (@$objs) {
767	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) {
768	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	988	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
774	}	990	}
775	} else {	991	} else {
776	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
804	or return;	1020	or return;
805		1021
806	unless (aio_stat "$filename.pst") {	1022	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	1023	(aio_load "$filename.pst", $av) >= 0
808	or return;	1024	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
810	}	1026	}
811		1027
		1028	warn sprintf "loading %s (%d)\n",
		1029	$filename, length $data, scalar @{$av || []};
812	return ($data, $av);	1030	return ($data, $av);
813	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
814		1038
815	#############################################################################	1039	#############################################################################
816	# command handling &c	1040	# command handling &c
817		1041
818	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
831	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
832	}	1056	}
833		1057
834	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
835		1059
836	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.
837		1065
838	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
839	called.	1067	called.
840		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
841	=cut	1080	=cut
842		1081
843	sub register_extcmd {	1082	sub register_extcmd {
844	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
845		1084
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
850	}	1092	}
851		1093
852	cf::player->attach (	1094	cf::player->attach (
853	on_command => sub {	1095	on_command => sub {
854	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
863	cf::override;	1105	cf::override;
864	},	1106	},
865	on_extcmd => sub {	1107	on_extcmd => sub {
866	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
867		1109
868	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
869		1111
870	if (ref $msg) {	1112	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	1116	}
875	}	1117	}
876	} else {	1118	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		1121
880	cf::override;	1122	cf::override;
881	},	1123	},
882	);	1124	);
883		1125
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	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($) {
891	my ($path) = @_;	1489	my ($path) = @_;
892		1490
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1491	my ($match, $specificity);
894	my $base = $1;
895	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";
898		1492
899	warn "loading '$path' into '$pkg'\n";	1493	for my $region (list) {
900		1494	if ($region->{match} && $path =~ $region->{match}) {
901	open my $fh, "<:utf8", $path	1495	($match, $specificity) = ($region, $region->specificity)
902	or die "$path: $!";	1496	if $region->specificity > $specificity;
903		1497	}
904	my $source =
905	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })
908	. "\n};\n1";
909
910	eval $source
911	or die $@ ? "$path: $@\n"
912	: "extension disabled.\n";
913
914	push @exts, $pkg;
915	$ext_pkg{$base} = $pkg;
916
917	# no strict 'refs';
918	# @{"$pkg\::ISA"} = ext::;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	1498	}
933		1499
934	# remove commands	1500	$match
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}
959
960	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;
963	eval {
964	load_extension $ext;
965	1
966	} or warn "$ext not loaded: $@";
967	}
968	}
969
970	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007
1008	=head2 CORE EXTENSIONS
1009
1010	Functions and methods that extend core crossfire objects.
1011
1012	=head3 cf::player
1013
1014	=over 4
1015
1016	=item cf::player::exists $login
1017
1018	Returns true when the given account exists.
1019
1020	=cut
1021
1022	sub cf::player::exists($) {
1023	cf::player::find $_[0]
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1025	}
1026
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028
1029	Sends an ext reply to the player.
1030
1031	=cut
1032
1033	sub cf::player::ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;
1035
1036	$msg{msgid} = $id;
1037
1038	$self->send ("ext " . to_json \%msg);
1039	}	1501	}
1040		1502
1041	=back	1503	=back
1042
1043		1504
1044	=head3 cf::map	1505	=head3 cf::map
1045		1506
1046	=over 4	1507	=over 4
1047		1508
…		…
1050	package cf::map;	1511	package cf::map;
1051		1512
1052	use Fcntl;	1513	use Fcntl;
1053	use Coro::AIO;	1514	use Coro::AIO;
1054		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1055	our $MAX_RESET = 7200;	1520	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1521	our $DEFAULT_RESET = 3000;
1057		1522
1058	sub generate_random_map {	1523	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1526	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$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},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
		1538	)
		1539	}
		1540
		1541	=item cf::map->register ($regex, $prio)
		1542
		1543	Register a handler for the map path matching the given regex at the
		1544	givne priority (higher is better, built-in handlers have priority 0, the
		1545	default).
		1546
		1547	=cut
		1548
		1549	sub register {
		1550	my (undef, $regex, $prio) = @_;
		1551	my $pkg = caller;
		1552
		1553	no strict;
		1554	push @{"$pkg\::ISA"}, __PACKAGE__;
		1555
		1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1557	}
		1558
		1559	# also paths starting with '/'
		1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1561
		1562	sub thawer_merge {
		1563	my ($self, $merge) = @_;
		1564
		1565	# we have to keep some variables in memory intact
		1566	local $self->{path};
		1567	local $self->{load_path};
		1568
		1569	$self->SUPER::thawer_merge ($merge);
		1570	}
		1571
		1572	sub normalise {
		1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
		1578
		1579	# map plan:
		1580	#
		1581	# /! non-realised random map exit (special hack!)
		1582	# {... are special paths that are not being touched
		1583	# ?xxx/... are special absolute paths
		1584	# ?random/... random maps
		1585	# /... normal maps
		1586	# ~user/... per-player map of a specific user
		1587
		1588	$path =~ s/$PATH_SEP/\//go;
		1589
		1590	# treat it as relative path if it starts with
		1591	# something that looks reasonable
		1592	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1593	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1594
		1595	$base =~ s{[^/]+/?$}{};
		1596	$path = "$base/$path";
		1597	}
		1598
		1599	for ($path) {
		1600	redo if s{//}{/};
		1601	redo if s{/\.?/}{/};
		1602	redo if s{/[^/]+/\.\./}{/};
		1603	}
		1604
		1605	$path
		1606	}
		1607
		1608	sub new_from_path {
		1609	my (undef, $path, $base) = @_;
		1610
		1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1612
		1613	$path = normalise $path, $base;
		1614
		1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1617	my $self = bless cf::map::new, $pkg;
		1618	$self->{path} = $path; $self->path ($path);
		1619	$self->init; # pass $1 etc.
		1620	return $self;
		1621	}
		1622	}
		1623
		1624	Carp::carp "unable to resolve path '$path' (base '$base').";
		1625	()
		1626	}
		1627
		1628	sub init {
		1629	my ($self) = @_;
		1630
		1631	$self
		1632	}
		1633
		1634	sub as_string {
		1635	my ($self) = @_;
		1636
		1637	"$self->{path}"
		1638	}
		1639
		1640	# the displayed name, this is a one way mapping
		1641	sub visible_name {
		1642	&as_string
		1643	}
		1644
		1645	# the original (read-only) location
		1646	sub load_path {
		1647	my ($self) = @_;
		1648
		1649	"$MAPDIR/$self->{path}.map"
		1650	}
		1651
		1652	# the temporary/swap location
		1653	sub save_path {
		1654	my ($self) = @_;
		1655
		1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1657	"$TMPDIR/$path.map"
		1658	}
		1659
		1660	# the unique path, undef == no special unique path
		1661	sub uniq_path {
		1662	my ($self) = @_;
		1663
		1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1665	"$UNIQUEDIR/$path"
1075	}	1666	}
1076		1667
1077	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1078	# all maps in C++...	1669	# all maps in C++...
1079	sub change_all_map_light {	1670	sub change_all_map_light {
1080	my ($change) = @_;	1671	my ($change) = @_;
1081		1672
1082	$_->change_map_light ($change) for values %cf::MAP;	1673	$_->change_map_light ($change)
		1674	for grep $_->outdoor, values %cf::MAP;
1083	}	1675	}
1084		1676
		1677	sub decay_objects {
		1678	my ($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
1085	sub try_load_header($) {	1693	sub load_header_from($) {
1086	my ($path) = @_;	1694	my ($self, $path) = @_;
1087		1695
1088	utf8::encode $path;	1696	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1090	or return;	1701	or return;
1091		1702
1092	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
1093	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1094		1749
1095	$map->load_header ($path)	1750	$self->{deny_reset} = 1
1096	or return;	1751	if $self->no_reset;
1097		1752
1098	$map->{load_path} = $path;	1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
1099		1755
1100	$map	1756	1
1101	}	1757	}
1102		1758
		1759	sub find;
1103	sub find_map {	1760	sub find {
1104	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1105		1762
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1764
		1765	cf::lock_wait "map_find:$path";
		1766
1111	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1112	# do it the slow way	1768	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1769	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1770	or return;
1127		1771
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1772	$map->{last_save} = $cf::RUNTIME;
1139		1773
1140	if ($map->should_reset) {	1774	$map->load_header
		1775	or return;
		1776
		1777	if ($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;
1141	$map->reset;	1780	$map->reset;
1142	$map = find_map $path;	1781	undef $guard;
		1782	return find $path;
1143	}	1783	}
1144		1784
1145	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1146	}	1786	}
1147	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1148		1791
1149	sub load {	1792	sub load {
1150	my ($self) = @_;	1793	my ($self) = @_;
1151		1794
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1795	local $self->{deny_reset} = 1; # loading can take a long time
1153
1154	$self->in_memory (cf::MAP_LOADING);
1155		1796
1156	my $path = $self->{path};	1797	my $path = $self->{path};
1157		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
1158	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1159	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1812	or return;
1161		1813
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1815	if delete $self->{load_original};
1164		1816
1165	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1818	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1820	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1170	}	1822	}
1171	}	1823	}
1172		1824
		1825	Coro::cede;
1173	# now do the right thing for maps	1826	# now do the right thing for maps
1174	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1175
1176	if ($self->{path}->is_style_map) {
1177	$self->{deny_save} = 1;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;
1183	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1185	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;
1186	$self->activate;	1839	$self->activate;
1187	}	1840	}
1188		1841
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1843	}
1191		1844
1192	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	$neigh->load;
		1881	}
		1882	}
		1883
		1884	sub find_sync {
1193	my ($path, $origin) = @_;	1885	my ($path, $origin) = @_;
1194		1886
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1887	cf::sync_job { find $path, $origin }
		1888	}
1196		1889
1197	cf::sync_job {	1890	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1891	my ($map) = @_;
1199	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	my $map = find $path
		1913	or next;
1200	$map->load;	1914	$map->load;
1201	$map	1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
1202	}	1920	};
		1921	$MAP_PREFETCHER->prio (6);
		1922
		1923	()
1203	}	1924	}
1204		1925
1205	sub save {	1926	sub save {
1206	my ($self) = @_;	1927	my ($self) = @_;
1207		1928
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1930
1211	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1212		1932
1213	return unless $self->dirty;	1933	return unless $self->dirty;
1214		1934
		1935	my $save = $self->save_path; utf8::encode $save;
		1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1937
1215	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1216		1939
1217	return if $self->{deny_save};	1940	return if $self->{deny_save};
1218		1941
		1942	local $self->{last_access} = $self->last_access;#d#
		1943
		1944	cf::async {
		1945	$_->contr->save for $self->players;
		1946	};
		1947
1219	if ($uniq) {	1948	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1951	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1953	}
1225	}	1954	}
1226		1955
1227	sub swap_out {	1956	sub swap_out {
1228	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;
1229		1963
1230	return if $self->players;	1964	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1966	return if $self->{deny_save};
1233		1967
1234	$self->save;
1235	$self->clear;	1968	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1969	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1970	}
1238		1971
1239	sub reset_at {	1972	sub reset_at {
1240	my ($self) = @_;	1973	my ($self) = @_;
1241		1974
1242	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};
1244	return 1e100 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1245		1977
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1980
1250	$time + $to	1981	$time + $to
1251	}	1982	}
1252		1983
1253	sub should_reset {	1984	sub should_reset {
1254	my ($self) = @_;	1985	my ($self) = @_;
1255		1986
1256	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1257	}	1988	}
1258		1989
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub reset {	1990	sub reset {
1268	my ($self) = @_;	1991	my ($self) = @_;
1269		1992
		1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1994
1270	return if $self->players;	1995	return if $self->players;
1271	return if $self->{path}{user_rel};#d#
1272		1996
1273	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1274		2008
1275	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
		2010
		2011	$self->clear;
1276		2012
1277	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1278		2014
1279	$self->unlink_save;	2015	$self->unlink_save;
1280	$self->destroy;	2016	$self->destroy;
1281	}	2017	}
1282		2018
1283	sub customise_for {	2019	my $nuke_counter = "aaaa";
1284	my ($map, $ob) = @_;
1285		2020
1286	if ($map->per_player) {	2021	sub nuke {
1287	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() {
1288	}	2047	[
1289		2048	map {
1290	$map	2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
1291	}	2055	}
1292		2056
1293	sub emergency_save {	2057	=item $maps = cf::map::random_maps
1294	local $cf::FREEZE = 1;
1295		2058
1296	warn "enter emergency map save\n";	2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
1297		2061
1298	cf::sync_job {	2062	=cut
1299	warn "begin emergency map save\n";
1300	$_->save for values %cf::MAP;
1301	};
1302		2063
1303	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	]
1304	}	2091	}
1305		2092
1306	package cf;	2093	package cf;
1307		2094
1308	=back	2095	=back
1309		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
1310		2123
1311	=head3 cf::object::player	2124	=head3 cf::object::player
1312		2125
1313	=over 4	2126	=over 4
1314		2127
…		…
1328		2141
1329	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1330		2143
1331	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1332	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1333	} 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 {
1334	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1335	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1336	}	2163	}
1337	}	2164	}
1338		2165
1339	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1340		2167
…		…
1350	(ref $cf::CFG{"may_$access"}	2177	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2178	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	2179	: $cf::CFG{"may_$access"})
1353	}	2180	}
1354		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	$LINK_MAP
		2210	}
		2211
1355	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1356	my ($self) = @_;	2213	my ($self) = @_;
1357		2214
1358	return if $self->map == $LINK_MAP;
1359
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;
1362
1363	$self->enter_map ($LINK_MAP, 20, 20);
1364	$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);
1365	}	2223	}
1366		2224
1367	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
1369		2227
		2228	return unless $self->contr->active;
		2229
1370	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1371		2231
1372	unless ($map) {	2232	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1374
1375	# restore original map position	2233	# restore original map position
1376	($map, $x, $y) = @{ $link_pos || [] };	2234	($map, $x, $y) = @{ $link_pos || [] };
1377	$map = cf::map::find_map $map;	2235	$map = cf::map::find $map;
1378		2236
1379	unless ($map) {	2237	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	2238	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	2239	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	2240	or die "FATAL: cannot load emergency map\n";
1383	}	2241	}
1384	}	2242	}
1385		2243
1386	($x, $y) = (-1, -1)	2244	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	2247	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	2248	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	2249	if $x <=0 && $y <= 0;
1392		2250
1393	$map->load;	2251	$map->load;
		2252	$map->load_diag;
1394		2253
		2254	return unless $self->contr->active;
1395	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1396	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1397	}	2259	}
1398		2260
1399	=item $player_object->goto_map ($map, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1400		2262
1401	=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.
1402		2268
		2269	=cut
		2270
		2271	our $GOTOGEN;
		2272
1403	sub cf::object::player::goto_map {	2273	sub cf::object::player::goto {
1404	my ($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;
1405		2278
1406	$self->enter_link;	2279	$self->enter_link;
1407		2280
1408	(Coro::async {	2281	(async {
1409	$path = new cf::path $path;	2282	my $map = eval {
1410
1411	my $map = cf::map::find_map $path->as_string;	2283	my $map = cf::map::find $path;
		2284
		2285	if ($map) {
1412	$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	}
1413		2291
1414	warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	2292	$map
		2293	};
1416		2294
		2295	if ($@) {
		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};
1417	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
		2303	}
		2304
		2305	$done->() if $done;
1418	})->prio (1);	2306	})->prio (1);
1419	}	2307	}
1420		2308
1421	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1422		2310
…		…
1424		2312
1425	sub parse_random_map_params {	2313	sub parse_random_map_params {
1426	my ($spec) = @_;	2314	my ($spec) = @_;
1427		2315
1428	my $rmp = { # defaults	2316	my $rmp = { # defaults
1429	xsize => 10,	2317	xsize => (cf::rndm 15, 40),
1430	ysize => 10,	2318	ysize => (cf::rndm 15, 40),
		2319	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2320	#layout => string,
1431	};	2321	};
1432		2322
1433	for (split /\n/, $spec) {	2323	for (split /\n/, $spec) {
1434	my ($k, $v) = split /\s+/, $_, 2;	2324	my ($k, $v) = split /\s+/, $_, 2;
1435		2325
…		…
1439	$rmp	2329	$rmp
1440	}	2330	}
1441		2331
1442	sub prepare_random_map {	2332	sub prepare_random_map {
1443	my ($exit) = @_;	2333	my ($exit) = @_;
		2334
		2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
1444		2336
1445	# all this does is basically replace the /! path by	2337	# all this does is basically replace the /! path by
1446	# a new random map path (?random/...) with a seed	2338	# a new random map path (?random/...) with a seed
1447	# that depends on the exit object	2339	# that depends on the exit object
1448		2340
1449	my $rmp = parse_random_map_params $exit->msg;	2341	my $rmp = parse_random_map_params $exit->msg;
1450		2342
1451	if ($exit->map) {	2343	if ($exit->map) {
1452	$rmp->{region} = $exit->map->region_name;	2344	$rmp->{region} = $exit->region->name;
1453	$rmp->{origin_map} = $exit->map->path;	2345	$rmp->{origin_map} = $exit->map->path;
1454	$rmp->{origin_x} = $exit->x;	2346	$rmp->{origin_x} = $exit->x;
1455	$rmp->{origin_y} = $exit->y;	2347	$rmp->{origin_y} = $exit->y;
1456	}	2348	}
1457		2349
1458	$rmp->{random_seed} ||= $exit->random_seed;	2350	$rmp->{random_seed} ||= $exit->random_seed;
1459		2351
1460	my $data = cf::to_json $rmp;	2352	my $data = cf::to_json $rmp;
1461	my $md5 = Digest::MD5::md5_hex $data;	2353	my $md5 = Digest::MD5::md5_hex $data;
		2354	my $meta = "$RANDOMDIR/$md5.meta";
1462		2355
1463	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) {
1464	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;
1465		2360
1466	$exit->slaying ("?random/$md5");	2361	$exit->slaying ("?random/$md5");
1467	$exit->msg (undef);	2362	$exit->msg (undef);
1468	}	2363	}
1469	}	2364	}
…		…
1471	sub cf::object::player::enter_exit {	2366	sub cf::object::player::enter_exit {
1472	my ($self, $exit) = @_;	2367	my ($self, $exit) = @_;
1473		2368
1474	return unless $self->type == cf::PLAYER;	2369	return unless $self->type == cf::PLAYER;
1475		2370
		2371	if ($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
1476	$self->enter_link;	2382	$self->enter_link;
1477		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
1478	(Coro::async {	2388	(async {
		2389	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	2390	unless (eval {
1480		2391	$self->goto ($slaying, $hp, $sp);
1481	prepare_random_map $exit
1482	if $exit->slaying eq "/!";
1483
1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1486		2392
1487	1;	2393	1;
1488	}) {	2394	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	2395	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "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. "
1491	. "Please report this to the dungeon master",	2397	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE | cf::NDI_RED);	2398	cf::NDI_UNIQUE | cf::NDI_RED);
1493		2399
1494	warn "ERROR in enter_exit: $@";	2400	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	2401	$self->leave_link;
1496	}	2402	}
1497	})->prio (1);	2403	})->prio (1);
…		…
1510		2416
1511	sub cf::client::send_drawinfo {	2417	sub cf::client::send_drawinfo {
1512	my ($self, $text, $flags) = @_;	2418	my ($self, $text, $flags) = @_;
1513		2419
1514	utf8::encode $text;	2420	utf8::encode $text;
1515	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1516	}	2422	}
1517		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	}
1518		2478
1519	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
1520		2480
1521	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
1522	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>,
1523	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>.
1524		2484
1525	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
1526	reliable at some point in the future.	2486	become reliable at some point in the future.
1527		2487
1528	=cut	2488	=cut
1529		2489
1530	sub cf::client::query {	2490	sub cf::client::query {
1531	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
1539	utf8::encode $text;	2499	utf8::encode $text;
1540	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1541		2501
1542	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
1543	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
1544	}	2506	}
1545		2507
1546	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	},
1547	on_reply => sub {	2514	on_reply => sub {
1548	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
1549		2516
1550	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
1551	# get handled first	2518	# get handled first
1552	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
1553		2521
1554	(shift @$queue)->[1]->($msg);	2522	(shift @$queue)->[1]->($msg);
		2523	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1555		2524
1556	push @{ $ns->{query_queue} }, @$queue;	2525	push @{ $ns->{query_queue} }, @$queue;
1557		2526
1558	if (@{ $ns->{query_queue} } == @$queue) {	2527	if (@{ $ns->{query_queue} } == @$queue) {
1559	if (@$queue) {	2528	if (@$queue) {
…		…
1561	} else {	2530	} else {
1562	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1563	}	2532	}
1564	}	2533	}
1565	},	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	},
1566	);	2553	);
1567		2554
1568	=item $client->coro (\&cb)	2555	=item $client->async (\&cb)
1569		2556
1570	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
1571	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,
1572	or loss of connection).	2559	or loss of connection).
1573		2560
1574	=cut	2561	=cut
1575		2562
1576	sub cf::client::coro {	2563	sub cf::client::async {
1577	my ($self, $cb) = @_;	2564	my ($self, $cb) = @_;
1578		2565
1579	my $coro; $coro = async {	2566	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		2567
1586	$coro->on_destroy (sub {	2568	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	2569	delete $self->{_coro}{$coro+0};
1588	});	2570	});
1589		2571
…		…
1622		2604
1623	# here we export the classes and methods available to script code	2605	# here we export the classes and methods available to script code
1624		2606
1625	=pod	2607	=pod
1626		2608
1627	The following fucntions and emthods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
1628		2610
1629	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
1630	cf::object::player player	2615	cf::object::player
1631	cf::player peaceful	2616	player
1632	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
1633		2623
1634	=cut	2624	=cut
1635		2625
1636	for (	2626	for (
1637	["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)],
1638	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
1639	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
1640	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
1641	) {	2632	) {
1642	no strict 'refs';	2633	no strict 'refs';
…		…
1713	=back	2704	=back
1714		2705
1715	=cut	2706	=cut
1716		2707
1717	#############################################################################	2708	#############################################################################
		2709	# the server's init and main functions
1718		2710
1719	=head2 EXTENSION DATABASE SUPPORT	2711	sub load_facedata($) {
		2712	my ($path) = @_;
1720		2713
1721	Crossfire maintains a very simple database for extension use. It can	2714	warn "loading facedata from $path\n";
1722	currently store anything that can be serialised using Storable, which
1723	excludes objects.
1724		2715
1725	The parameter C<$family> should best start with the name of the extension	2716	my $facedata;
1726	using it, it should be unique.	2717	0 < aio_load $path, $facedata
		2718	or die "$path: $!";
1727		2719
1728	=over 4	2720	$facedata = Coro::Storable::thaw $facedata;
1729		2721
1730	=item $hashref = cf::db_get $family	2722	$facedata->{version} == 2
		2723	or cf::cleanup "$path: version mismatch, cannot proceed.";
1731		2724
1732	Return a hashref for use by the extension C<$family>, which can be
1733	modified. After modifications, you have to call C<cf::db_dirty> or
1734	C<cf::db_sync>.
1735
1736	=item $value = cf::db_get $family => $key
1737
1738	Returns a single value from the database
1739
1740	=item cf::db_put $family => $hashref
1741
1742	Stores the given family hashref into the database. Updates are delayed, if
1743	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1744
1745	=item cf::db_put $family => $key => $value
1746
1747	Stores the given C<$value> in the family hash. Updates are delayed, if you
1748	want the data to be synced to disk immediately, use C<cf::db_sync>.
1749
1750	=item cf::db_dirty
1751
1752	Marks the database as dirty, to be updated at a later time.
1753
1754	=item cf::db_sync
1755
1756	Immediately write the database to disk I<if it is dirty>.
1757
1758	=cut
1759
1760	our $DB;
1761
1762	{
1763	my $path = cf::localdir . "/database.pst";
1764
1765	sub db_load() {
1766	warn "loading database $path\n";#d# remove later
1767	$DB = stat $path ? Storable::retrieve $path : { };
1768	}	2725	{
		2726	my $faces = $facedata->{faceinfo};
1769		2727
1770	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};
1771		2734
1772	sub db_save() {	2735	cf::cede_to_tick;
1773	warn "saving database $path\n";#d# remove later
1774	waitpid $pid, 0 if $pid;
1775	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;
1779	cf::_exit 0 if defined $pid;
1780	}
1781	}
1782
1783	my $dirty;
1784
1785	sub db_sync() {
1786	db_save if $dirty;
1787	undef $dirty;
1788	}
1789
1790	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1791	db_sync;
1792	});
1793
1794	sub db_dirty() {
1795	$dirty = 1;
1796	$idle->start;
1797	}
1798
1799	sub db_get($;$) {
1800	@_ >= 2
1801	? $DB->{$_[0]}{$_[1]}
1802	: ($DB->{$_[0]} ||= { })
1803	}
1804
1805	sub db_put($$;$) {
1806	if (@_ >= 3) {
1807	$DB->{$_[0]}{$_[1]} = $_[2];
1808	} else {
1809	$DB->{$_[0]} = $_[1];
1810	}
1811	db_dirty;
1812	}
1813
1814	cf::global->attach (
1815	prio => 10000,
1816	on_cleanup => sub {
1817	db_sync;
1818	},	2736	}
1819	);
1820	}
1821		2737
1822	#############################################################################	2738	while (my ($face, $info) = each %$faces) {
1823	# 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	}
1824		2842
1825	sub cfg_load {	2843	sub cfg_load {
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2844	open my $fh, "<:utf8", "$CONFDIR/config"
1827	or return;	2845	or return;
1828		2846
1829	local $/;	2847	local $/;
1830	*CFG = YAML::Syck::Load <$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	}
1831	}	2862	}
1832		2863
1833	sub main {	2864	sub main {
1834	# we must not ever block the main coroutine	2865	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2866	local $Coro::idle = sub {
1836	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#
1837	(Coro::unblock_sub {	2868	(async {
1838	Event::one_event;	2869	Event::one_event;
1839	})->();	2870	})->prio (Coro::PRIO_MAX);
1840	};	2871	};
1841		2872
1842	cfg_load;	2873	cfg_load;
1843	db_load;	2874	db_init;
1844	load_extensions;	2875	load_extensions;
		2876
		2877	$TICK_WATCHER->start;
1845	Event::loop;	2878	Event::loop;
1846	}	2879	}
1847		2880
1848	#############################################################################	2881	#############################################################################
1849	# initialisation	2882	# initialisation and cleanup
1850		2883
		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 $make_core;
		2975	}
		2976
1851	sub reload() {	2977	sub do_reload_perl() {
1852	# can/must only be called in main	2978	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2979	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2980	warn "can only reload from main coroutine";
1855	return;	2981	return;
1856	}	2982	}
1857		2983
1858	warn "reloading...";	2984	warn "reloading...";
1859		2985
1860	local $FREEZE = 1;	2986	warn "entering sync_job";
		2987
		2988	cf::sync_job {
		2989	cf::write_runtime; # external watchdog should not bark
1861	cf::emergency_save;	2990	cf::emergency_save;
		2991	cf::write_runtime; # external watchdog should not bark
1862		2992
1863	eval {	2993	warn "syncing database to disk";
		2994	BDB::db_env_txn_checkpoint $DB_ENV;
		2995
1864	# 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
1865		2997
1866	# cancel all watchers	2998	warn "cancelling all WF_AUTOCANCEL watchers";
1867	for (Event::all_watchers) {	2999	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	3000	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	3001	}
1870		3002
		3003	warn "flushing outstanding aio requests";
		3004	for (;;) {
		3005	BDB::flush;
		3006	IO::AIO::flush;
		3007	Coro::cede;
		3008	last unless IO::AIO::nreqs || BDB::nreqs;
		3009	warn "iterate...";
		3010	}
		3011
		3012	++$RELOAD;
		3013
1871	# cancel all extension coros	3014	warn "cancelling all extension coros";
1872	$_->cancel for values %EXT_CORO;	3015	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	3016	%EXT_CORO = ();
1874		3017
1875	# unload all extensions	3018	warn "removing commands";
1876	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 $pkg (@EXTS) {
1877	warn "unloading <$_>";	3027	warn "... unloading $pkg";
1878	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: $@";
1879	}	3034	}
1880		3035
		3036	warn "... nuking $pkg";
		3037	Symbol::delete_package $pkg;
		3038	}
		3039
1881	# unload all modules loaded from $LIBDIR	3040	warn "unloading all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	3041	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		3043
1885	warn "removing <$k>";	3044	warn "... unloading $k";
1886	delete $INC{$k};	3045	delete $INC{$k};
1887		3046
1888	$k =~ s/\.pm$//;	3047	$k =~ s/\.pm$//;
1889	$k =~ s/\//::/g;	3048	$k =~ s/\//::/g;
1890		3049
…		…
1893	}	3052	}
1894		3053
1895	Symbol::delete_package $k;	3054	Symbol::delete_package $k;
1896	}	3055	}
1897		3056
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	3057	warn "getting rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	3058	Symbol::delete_package "safe::$_"
1904	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);
1905		3060
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	3061	warn "unloading cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	3062	delete $INC{"cf.pm"};
		3063	delete $INC{"cf/pod.pm"};
1911		3064
1912	# don't, removes xs symbols, too,	3065	# don't, removes xs symbols, too,
1913	# and global variables created in xs	3066	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	3067	#Symbol::delete_package __PACKAGE__;
1915		3068
1916	# reload cf.pm	3069	warn "unload completed, starting to reload now";
		3070
1917	warn "reloading cf.pm";	3071	warn "reloading cf.pm";
1918	require cf;	3072	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		3074
1921	# load config and database again	3075	warn "loading config and database again";
1922	cf::cfg_load;	3076	cf::cfg_load;
1923	cf::db_load;
1924		3077
1925	# load extensions
1926	warn "load extensions";	3078	warn "loading extensions";
1927	cf::load_extensions;	3079	cf::load_extensions;
1928		3080
1929	# reattach attachments to objects	3081	warn "reattaching attachments to objects/players";
1930	warn "reattach";	3082	_global_reattach; # objects, sockets
1931	_global_reattach;	3083	warn "reattaching attachments to maps";
1932	};	3084	reattach $_ for values %MAP;
		3085	warn "reattaching attachments to players";
		3086	reattach $_ for values %PLAYER;
1933		3087
1934	if ($@) {	3088	warn "leaving sync_job";
		3089
		3090	1
		3091	} or do {
1935	warn $@;	3092	warn $@;
1936	warn "error while reloading, exiting.";	3093	warn "error while reloading, exiting.";
1937	exit 1;	3094	exit 1;
1938	}	3095	};
1939		3096
1940	warn "reloaded successfully";	3097	warn "reloaded";
1941	};	3098	};
1942		3099
1943	#############################################################################	3100	our $RELOAD_WATCHER; # used only during reload
1944		3101
1945	unless ($LINK_MAP) {	3102	sub reload_perl() {
1946	$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.
1947		3105
1948	$LINK_MAP->width (41);	3106	$RELOAD_WATCHER ||= Event->timer (
1949	$LINK_MAP->height (41);	3107	reentrant => 0,
1950	$LINK_MAP->alloc;
1951	$LINK_MAP->path ("{link}");
1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1954
1955	# dirty hack because... archetypes are not yet loaded
1956	Event->timer (
1957	after => 2,	3108	after => 0,
		3109	data => WF_AUTOCANCEL,
1958	cb => sub {	3110	cb => sub {
1959	$_[0]->w->cancel;	3111	do_reload_perl;
1960		3112	undef $RELOAD_WATCHER;
1961	# provide some exits "home"
1962	my $exit = cf::object::new "exit";
1963
1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1967
1968	$LINK_MAP->insert ($exit->clone, 19, 19);
1969	$LINK_MAP->insert ($exit->clone, 19, 20);
1970	$LINK_MAP->insert ($exit->clone, 19, 21);
1971	$LINK_MAP->insert ($exit->clone, 20, 19);
1972	$LINK_MAP->insert ($exit->clone, 20, 21);
1973	$LINK_MAP->insert ($exit->clone, 21, 19);
1974	$LINK_MAP->insert ($exit->clone, 21, 20);
1975	$LINK_MAP->insert ($exit->clone, 21, 21);
1976
1977	$exit->destroy;
1978	});	3113	},
1979		3114	);
1980	$LINK_MAP->{deny_save} = 1;
1981	$LINK_MAP->{deny_reset} = 1;
1982
1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1984	}	3115	}
1985
1986	register "<global>", __PACKAGE__;
1987		3116
1988	register_command "reload" => sub {	3117	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	3118	my ($who, $arg) = @_;
1990		3119
1991	if ($who->flag (FLAG_WIZ)) {	3120	if ($who->flag (FLAG_WIZ)) {
1992	$who->message ("start of reload.");
1993	reload;
1994	$who->message ("end of reload.");	3121	$who->message ("reloading server.");
		3122	async { reload_perl };
1995	}	3123	}
1996	};	3124	};
1997		3125
1998	unshift @INC, $LIBDIR;	3126	unshift @INC, $LIBDIR;
1999		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;
2000	$TICK_WATCHER = Event->timer (	3153	$TICK_WATCHER = Event->timer (
2001	reentrant => 0,	3154	reentrant => 0,
		3155	parked => 1,
2002	prio => 0,	3156	prio => 0,
2003	at => $NEXT_TICK || $TICK,	3157	at => $NEXT_TICK || $TICK,
2004	data => WF_AUTOCANCEL,	3158	data => WF_AUTOCANCEL,
2005	cb => sub {	3159	cb => sub {
2006	unless ($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
2007	cf::server_tick; # one server iteration	3168	cf::server_tick; # one server iteration
2008	$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
2009	}	3191	};
2010		3192
		3193	$RUNTIME += $TICK;
2011	$NEXT_TICK += $TICK;	3194	$NEXT_TICK += $TICK;
2012		3195
		3196	if ($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
2013	# 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
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2015		3218
2016	$TICK_WATCHER->at ($NEXT_TICK);	3219	$TICK_WATCHER->at ($NEXT_TICK);
2017	$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
2018	},	3228	},
2019	);	3229	);
2020		3230
		3231	{
2021	IO::AIO::max_poll_time $TICK * 0.2;	3232	BDB::max_poll_time $TICK * 0.1;
2022		3233	$BDB_POLL_WATCHER = Event->io (
2023	Event->io (	3234	reentrant => 0,
2024	fd => IO::AIO::poll_fileno,	3235	fd => BDB::poll_fileno,
2025	poll => 'r',	3236	poll => 'r',
2026	prio => 5,	3237	prio => 0,
2027	data => WF_AUTOCANCEL,
2028	cb => \&IO::AIO::poll_cb,
2029	);
2030
2031	Event->timer (
2032	data => WF_AUTOCANCEL,	3238	data => WF_AUTOCANCEL,
2033	after => 0,	3239	cb => \&BDB::poll_cb,
2034	interval => 10,	3240	);
2035	cb => sub {	3241	BDB::min_parallel 8;
2036	(Coro::unblock_sub {	3242
2037	write_runtime	3243	BDB::set_sync_prepare {
2038	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 $@;
2039	})->();	3277	};
2040	},	3278	}
2041	);	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 }
2042		3338
2043	1	3339	1
2044		3340

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines