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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28		43
29	# 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?
30	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
31		46
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		48
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
		53
		54	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
39		59
		60	our $RELOAD; # number of reloads so far
40	our @EVENT;	61	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		62
43	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(!)
44	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	79	our $NEXT_TICK;
46	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;
47		85
48	our %CFG;	86	our %CFG;
49		87
50	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	89	our $RUNTIME;
52		90
53	our %PLAYER; # all users	91	our %PLAYER; # all users
54	our %MAP; # all maps	92	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	94
57	our %EXT_CORO; # coroutines bound to extensions	95	# used to convert map paths into valid unix filenames by replacing / by ∕
		96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
58		101
59	binmode STDOUT;	102	binmode STDOUT;
60	binmode STDERR;	103	binmode STDERR;
61		104
62	# read virtual server time, if available	105	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
67	}	110	}
68		111
69	mkdir cf::localdir;	112	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		114
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		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.
		171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
111		177
112	=back	178	=back
113		179
114	=cut	180	=cut
115		181
116	BEGIN {	182	BEGIN {
117	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	184	my $msg = join "", @_;
119	utf8::encode $msg;
120		185
121	$msg .= "\n"	186	$msg .= "\n"
122	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
123		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
124	LOG llevError, $msg;	192	LOG llevError, $msg;
125	};	193	};
126	}	194	}
127		195
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		203
135	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	205	# within the Safe compartment.
137	for my $pkg (qw(	206	for my $pkg (qw(
138	cf::global cf::attachable	207	cf::global cf::attachable
…		…
147		216
148	$Event::DIED = sub {	217	$Event::DIED = sub {
149	warn "error in event callback: @_";	218	warn "error in event callback: @_";
150	};	219	};
151		220
152	my %ext_pkg;	221	#############################################################################
153	my @exts;
154	my @hook;
155		222
156	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
157		224
158	=over 4	225	=over 4
159		226
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	246	$d
180	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
181	}	248	}
182		249
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
186		251
187	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
188		253
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
197		255
198	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
199		257
200	=cut	258	=cut
201		259
202	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
204	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
205	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
206		264
207	=item cf::lock_wait $string	265	=item cf::lock_wait $string
208		266
209	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
210		268
…		…
216	returned.	274	returned.
217		275
218	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
220		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
221	=cut	283	=cut
222		284
223	our %LOCK;	285	our %LOCK;
224		286
225	sub lock_wait($) {	287	sub lock_wait($) {
…		…
244	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
246	}	308	}
247	}	309	}
248		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
249	sub freeze_mainloop {	317	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
251		319
252	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
253	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
254	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
255	}	375	}
256		376
257	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
258		378
259	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		384
265	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
266		386
267	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
268		388
269	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
272		393
273	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
276	fast or be very important.	397	fast or be very important.
…		…
279		400
280	sub sync_job(&) {	401	sub sync_job(&) {
281	my ($job) = @_;	402	my ($job) = @_;
282		403
283	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
284	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
286		409
287	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
288	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
299		422
300	while ($busy) {	423	while ($busy) {
301	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
302	}	425	}
303		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
304	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
305	} else {	435	} else {
306	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
307		437
308	$job->()	438	$job->()
309	}	439	}
310	}	440	}
311		441
312	=item $coro = cf::async_ext { BLOCK }	442	=item $coro = cf::async_ext { BLOCK }
313		443
314	Like async, but this coro is automcatially being canceled when the	444	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	445	extension calling this is being unloaded.
316		446
317	=cut	447	=cut
318		448
319	sub async_ext(&) {	449	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
328		458
329	$coro	459	$coro
330	}	460	}
331		461
332	sub write_runtime {	462	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		463
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	464	Executes the given code block with the given arguments in a seperate
336	or return;	465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
337		468
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	469	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		470
342	aio_fsync $fh	471	sub _store_scalar {
343	and return;	472	open my $fh, ">", \my $buf
344		473	or die "fork_call: cannot open fh-to-buf in child : $!";
		474	Storable::store_fd $_[0], $fh;
345	close $fh	475	close $fh;
346	or return;
347		476
348	aio_rename "$runtime~", $runtime	477	$buf
349	and return;	478	}
350		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
351	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
		638	}
		639
		640	=item cf::datalog type => key => value, ...
		641
		642	Log a datalog packet of the given type with the given key-value pairs.
		643
		644	=cut
		645
		646	sub datalog($@) {
		647	my ($type, %kv) = @_;
		648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	649	}
353		650
354	=back	651	=back
355		652
356	=cut	653	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		654
480	#############################################################################	655	#############################################################################
481		656
482	=head2 ATTACHABLE OBJECTS	657	=head2 ATTACHABLE OBJECTS
483		658
…		…
485	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
487		662
488	In the following description, CLASS can be any of C<global>, C<object>	663	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	665	Crossfire TRT).
491		666
492	=over 4	667	=over 4
493		668
494	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
495		670
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	784	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	785	our @CB_MAP = ();
611		786
612	my %attachment;	787	my %attachment;
613		788
		789	sub cf::attachable::thawer_merge {
		790	# simply override everything except _meta
		791	local $_[0]{_meta};
		792	%{$_[0]} = %{$_[1]};
		793	}
		794
614	sub _attach_cb($$$$) {	795	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	796	my ($registry, $event, $prio, $cb) = @_;
616		797
617	use sort 'stable';	798	use sort 'stable';
618		799
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
653		834
654	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		839
659	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	841	my $pkg = shift @arg;
661		842
662	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
692	}	873	}
693		874
694	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
695	} else {	876	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	878	}
698		879
699	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
700	}	881	}
701		882
…		…
703	if (ref $_[0]) {	884	if (ref $_[0]) {
704	_object_attach @_;	885	_object_attach @_;
705	} else {	886	} else {
706	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
707	}	888	}
		889	_recalc_want;
708	};	890	};
709		891
710	# all those should be optimised	892	# all those should be optimised
711	sub cf::attachable::detach {	893	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
716	reattach ($obj);	898	reattach ($obj);
717	} else {	899	} else {
718	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
719	}	901	}
		902	_recalc_want;
720	};	903	};
721		904
722	sub cf::attachable::attached {	905	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
724		907
…		…
739	";	922	";
740	die if $@;	923	die if $@;
741	}	924	}
742		925
743	our $override;	926	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		928
746	sub override {	929	sub override {
747	$override = 1;	930	$override = 1;
748	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
749	}	932	}
750		933
751	sub do_invoke {	934	sub do_invoke {
752	my $event = shift;	935	my $event = shift;
753	my $callbacks = shift;	936	my $callbacks = shift;
754		937
755	@invoke_results = ();	938	@INVOKE_RESULTS = ();
756		939
757	local $override;	940	local $override;
758		941
759	for (@$callbacks) {	942	for (@$callbacks) {
760	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
777		960
778	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
779		962
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
781	removed in future versions), and there is no public API to access override	964	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		966
784	=back	967	=back
785		968
786	=cut	969	=cut
787		970
788	#############################################################################	971	#############################################################################
789	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
790		984
791	sub reattach {	985	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	987	my ($obj) = @_;
		988
		989	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		990
795	my $registry = $obj->registry;	991	my $registry = $obj->registry;
796		992
797	@$registry = ();	993	@$registry = ();
798		994
…		…
845	$filename, length $$rdata, scalar @$objs;	1041	$filename, length $$rdata, scalar @$objs;
846		1042
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1044	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	1046	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	1047	close $fh;
852		1048
853	if (@$objs) {	1049	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1050	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1051	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1052	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1053	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	1054	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	1055	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1056	aio_rename "$filename.pst~", "$filename.pst";
861	}	1057	}
862	} else {	1058	} else {
863	aio_unlink "$filename.pst";	1059	aio_unlink "$filename.pst";
…		…
895	or return;	1091	or return;
896	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
897	}	1093	}
898		1094
899	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
901	return ($data, $av);	1097	return ($data, $av);
902	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
903		1105
904	#############################################################################	1106	#############################################################################
905	# command handling &c	1107	# command handling &c
906		1108
907	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1123	}
922		1124
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1126
925	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
926		1132
927	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
928	called.	1134	called.
929		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
930	=cut	1147	=cut
931		1148
932	sub register_extcmd {	1149	sub register_extcmd {
933	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
934		1151
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
939	}	1159	}
940		1160
941	cf::player->attach (	1161	cf::player->attach (
942	on_command => sub {	1162	on_command => sub {
943	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
952	cf::override;	1172	cf::override;
953	},	1173	},
954	on_extcmd => sub {	1174	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
956		1176
957	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1178
959	if (ref $msg) {	1179	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	1183	}
964	}	1184	}
965	} else {	1185	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1186	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		1188
969	cf::override;	1189	cf::override;
970	},	1190	},
971	);	1191	);
972		1192
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
1050	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1198	next unless -r $path;
1052	eval {	1199
1053	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
1054	1	1257	}
1055	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
1056	}	1263	};
1057	}	1264	}
1058		1265
1059	#############################################################################	1266	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1267
1062	*cf::mapsupport::on_clean = sub {	1268	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1269
1097	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
1098		1271
1099	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
1100		1273
…		…
1113	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
1114		1287
1115	=cut	1288	=cut
1116		1289
1117	sub playerdir($) {	1290	sub playerdir($) {
1118	cf::localdir	1291	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1293	}
1124		1294
1125	sub path($) {	1295	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1297
1128	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
1129	}	1299	}
1130		1300
1131	sub find_active($) {	1301	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
1136		1306
1137	sub exists($) {	1307	sub exists($) {
1138	my ($login) = @_;	1308	my ($login) = @_;
1139		1309
1140	$cf::PLAYER{$login}	1310	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1311	or cf::sync_job { !aio_stat path $login }
1142	}	1312	}
1143		1313
1144	sub find($) {	1314	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1315	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1316	my $login = $_[0];
1147		1317
1148	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
1149		1319
1150	$cf::PLAYER{$_[0]} || do {	1320	$cf::PLAYER{$_[0]} || do {
		1321	# rename old playerfiles to new ones
		1322	#TODO: remove when no longer required
		1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1326	aio_unlink +(playerdir $login) . "/$login.pl";
		1327
1151	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
1152	or return;	1329	or return;
1153	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
1154	}	1331	}
1155	}	1332	}
…		…
1192		1369
1193	=cut	1370	=cut
1194		1371
1195	sub quit_character {	1372	sub quit_character {
1196	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1197		1376
1198	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1378	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1379
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1389	$pl->destroy;
		1390
		1391	my $prefix = qr<^~\Q$name\E/>;
		1392
		1393	# nuke player maps
		1394	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1395
1211	IO::AIO::aio_rmtree $temp;	1396	IO::AIO::aio_rmtree $temp;
		1397	}
		1398
		1399	=item $pl->kick
		1400
		1401	Kicks a player out of the game. This destroys the connection.
		1402
		1403	=cut
		1404
		1405	sub kick {
		1406	my ($pl, $kicker) = @_;
		1407
		1408	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1409	$pl->killer ("kicked");
		1410	$pl->ns->destroy;
1212	}	1411	}
1213		1412
1214	=item cf::player::list_logins	1413	=item cf::player::list_logins
1215		1414
1216	Returns am arrayref of all valid playernames in the system, can take a	1415	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1218		1417
1219	=cut	1418	=cut
1220		1419
1221	sub list_logins {	1420	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1422	or return [];
1224		1423
1225	my @logins;	1424	my @logins;
1226		1425
1227	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1427	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1428	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1429	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1430
1232	utf8::decode $login;	1431	utf8::decode $login;
1233	push @logins, $login;	1432	push @logins, $login;
1234	}	1433	}
1235		1434
1236	\@logins	1435	\@logins
1237	}	1436	}
1238		1437
1239	=item $player->maps	1438	=item $player->maps
1240		1439
1241	Returns an arrayref of cf::path's of all maps that are private for this	1440	Returns an arrayref of map paths that are private for this
1242	player. May block.	1441	player. May block.
1243		1442
1244	=cut	1443	=cut
1245		1444
1246	sub maps($) {	1445	sub maps($) {
1247	my ($pl) = @_;	1446	my ($pl) = @_;
		1447
		1448	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1449
1249	my $files = aio_readdir playerdir $pl	1450	my $files = aio_readdir playerdir $pl
1250	or return;	1451	or return;
1251		1452
1252	my @paths;	1453	my @paths;
1253		1454
1254	for (@$files) {	1455	for (@$files) {
1255	utf8::decode $_;	1456	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1457	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1458	next unless /^$PATH_SEP/o;
1258		1459
1259	s/$PATH_SEP/\//g;	1460	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1461	}
1262		1462
1263	\@paths	1463	\@paths
1264	}	1464	}
1265		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1267		1517
1268	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1269		1519
1270	=cut	1520	=cut
1271		1521
1272	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1274		1524
1275	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1276		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1527	}
1279		1528
1280	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		1536	my ($self, $type, %msg) = @_;
		1537
		1538	$self->ns->ext_event ($type, %msg);
		1539	}
		1540
		1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1281		1569
1282	=back	1570	=back
1283
1284		1571
1285	=head3 cf::map	1572	=head3 cf::map
1286		1573
1287	=over 4	1574	=over 4
1288		1575
…		…
1291	package cf::map;	1578	package cf::map;
1292		1579
1293	use Fcntl;	1580	use Fcntl;
1294	use Coro::AIO;	1581	use Coro::AIO;
1295		1582
		1583	use overload
		1584	'""' => \&as_string,
		1585	fallback => 1;
		1586
1296	our $MAX_RESET = 3600;	1587	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1588	our $DEFAULT_RESET = 3000;
1298		1589
1299	sub generate_random_map {	1590	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1591	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1592	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1593	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1597	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1598	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1599	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1600	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1601	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1602	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1603	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1604	(cf::region::find $rmp->{region}), $rmp->{custom}
		1605	)
		1606	}
		1607
		1608	=item cf::map->register ($regex, $prio)
		1609
		1610	Register a handler for the map path matching the given regex at the
		1611	givne priority (higher is better, built-in handlers have priority 0, the
		1612	default).
		1613
		1614	=cut
		1615
		1616	sub register {
		1617	my (undef, $regex, $prio) = @_;
		1618	my $pkg = caller;
		1619
		1620	no strict;
		1621	push @{"$pkg\::ISA"}, __PACKAGE__;
		1622
		1623	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1624	}
		1625
		1626	# also paths starting with '/'
		1627	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1628
		1629	sub thawer_merge {
		1630	my ($self, $merge) = @_;
		1631
		1632	# we have to keep some variables in memory intact
		1633	local $self->{path};
		1634	local $self->{load_path};
		1635
		1636	$self->SUPER::thawer_merge ($merge);
		1637	}
		1638
		1639	sub normalise {
		1640	my ($path, $base) = @_;
		1641
		1642	$path = "$path"; # make sure its a string
		1643
		1644	$path =~ s/\.map$//;
		1645
		1646	# map plan:
		1647	#
		1648	# /! non-realised random map exit (special hack!)
		1649	# {... are special paths that are not being touched
		1650	# ?xxx/... are special absolute paths
		1651	# ?random/... random maps
		1652	# /... normal maps
		1653	# ~user/... per-player map of a specific user
		1654
		1655	$path =~ s/$PATH_SEP/\//go;
		1656
		1657	# treat it as relative path if it starts with
		1658	# something that looks reasonable
		1659	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1660	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1661
		1662	$base =~ s{[^/]+/?$}{};
		1663	$path = "$base/$path";
		1664	}
		1665
		1666	for ($path) {
		1667	redo if s{//}{/};
		1668	redo if s{/\.?/}{/};
		1669	redo if s{/[^/]+/\.\./}{/};
		1670	}
		1671
		1672	$path
		1673	}
		1674
		1675	sub new_from_path {
		1676	my (undef, $path, $base) = @_;
		1677
		1678	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1679
		1680	$path = normalise $path, $base;
		1681
		1682	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1683	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1684	my $self = bless cf::map::new, $pkg;
		1685	$self->{path} = $path; $self->path ($path);
		1686	$self->init; # pass $1 etc.
		1687	return $self;
		1688	}
		1689	}
		1690
		1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1692	()
		1693	}
		1694
		1695	sub init {
		1696	my ($self) = @_;
		1697
		1698	$self
		1699	}
		1700
		1701	sub as_string {
		1702	my ($self) = @_;
		1703
		1704	"$self->{path}"
		1705	}
		1706
		1707	# the displayed name, this is a one way mapping
		1708	sub visible_name {
		1709	&as_string
		1710	}
		1711
		1712	# the original (read-only) location
		1713	sub load_path {
		1714	my ($self) = @_;
		1715
		1716	"$MAPDIR/$self->{path}.map"
		1717	}
		1718
		1719	# the temporary/swap location
		1720	sub save_path {
		1721	my ($self) = @_;
		1722
		1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1724	"$TMPDIR/$path.map"
		1725	}
		1726
		1727	# the unique path, undef == no special unique path
		1728	sub uniq_path {
		1729	my ($self) = @_;
		1730
		1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1732	"$UNIQUEDIR/$path"
1316	}	1733	}
1317		1734
1318	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1319	# all maps in C++...	1736	# all maps in C++...
1320	sub change_all_map_light {	1737	sub change_all_map_light {
…		…
1322		1739
1323	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1325	}	1742	}
1326		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
		1750	}
		1751
		1752	sub unlink_save {
		1753	my ($self) = @_;
		1754
		1755	utf8::encode (my $save = $self->save_path);
		1756	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1757	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1758	}
		1759
1327	sub try_load_header($) {	1760	sub load_header_from($) {
1328	my ($path) = @_;	1761	my ($self, $path) = @_;
1329		1762
1330	utf8::encode $path;	1763	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1764	#aio_open $path, O_RDONLY, 0
		1765	# or return;
		1766
		1767	$self->_load_header ($path)
1332	or return;	1768	or return;
1333		1769
1334	my $map = cf::map::new	1770	$self->{load_path} = $path;
		1771
		1772	1
		1773	}
		1774
		1775	sub load_header_orig {
		1776	my ($self) = @_;
		1777
		1778	$self->load_header_from ($self->load_path)
		1779	}
		1780
		1781	sub load_header_temp {
		1782	my ($self) = @_;
		1783
		1784	$self->load_header_from ($self->save_path)
		1785	}
		1786
		1787	sub prepare_temp {
		1788	my ($self) = @_;
		1789
		1790	$self->last_access ((delete $self->{last_access})
		1791	|| $cf::RUNTIME); #d#
		1792	# safety
		1793	$self->{instantiate_time} = $cf::RUNTIME
		1794	if $self->{instantiate_time} > $cf::RUNTIME;
		1795	}
		1796
		1797	sub prepare_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->{load_original} = 1;
		1801	$self->{instantiate_time} = $cf::RUNTIME;
		1802	$self->last_access ($cf::RUNTIME);
		1803	$self->instantiate;
		1804	}
		1805
		1806	sub load_header {
		1807	my ($self) = @_;
		1808
		1809	if ($self->load_header_temp) {
		1810	$self->prepare_temp;
		1811	} else {
		1812	$self->load_header_orig
1335	or return;	1813	or return;
		1814	$self->prepare_orig;
		1815	}
1336		1816
1337	# for better error messages only, will be overwritten	1817	$self->{deny_reset} = 1
1338	$map->path ($path);	1818	if $self->no_reset;
1339		1819
1340	$map->load_header ($path)	1820	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1821	unless $self->default_region;
1342		1822
1343	$map->{load_path} = $path;	1823	1
1344
1345	$map
1346	}	1824	}
1347		1825
1348	sub find;	1826	sub find;
1349	sub find {	1827	sub find {
1350	my ($path, $origin) = @_;	1828	my ($path, $origin) = @_;
1351		1829
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1830	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1831
1357	cf::lock_wait "map_find:$key";	1832	cf::lock_wait "map_find:$path";
1358		1833
1359	$cf::MAP{$key} || do {	1834	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1835	my $guard = cf::lock_acquire "map_find:$path";
1361		1836	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1837	or return;
1381		1838
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1394		1840
1395	Coro::cede;	1841	$map->load_header
		1842	or return;
1396		1843
1397	if ($map->should_reset) {	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1845	# doing this can freeze the server in a sync job, obviously
		1846	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1847	$map->reset;
1399	undef $guard;	1848	undef $guard;
1400	$map = find $path	1849	return find $path;
1401	or return;
1402	}	1850	}
1403		1851
1404	$cf::MAP{$key} = $map	1852	$cf::MAP{$path} = $map
1405	}	1853	}
1406	}	1854	}
		1855
		1856	sub pre_load { }
		1857	sub post_load { }
1407		1858
1408	sub load {	1859	sub load {
1409	my ($self) = @_;	1860	my ($self) = @_;
1410		1861
		1862	local $self->{deny_reset} = 1; # loading can take a long time
		1863
1411	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1867	my $guard = cf::lock_acquire "map_load:$path";
1413		1868
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1870
1416	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1417		1872
1418	$self->alloc;	1873	$self->alloc;
		1874
		1875	$self->pre_load;
		1876	Coro::cede;
		1877
1419	$self->load_objects ($self->{load_path}, 1)	1878	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1879	or return;
1421		1880
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1882	if delete $self->{load_original};
1424		1883
1425	if (my $uniq = $path->uniq_path) {	1884	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1885	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1886	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1887	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1888	$self->_load_objects ($uniq, 0);
1430	}	1889	}
1431	}	1890	}
1432		1891
1433	Coro::cede;	1892	Coro::cede;
1434
1435	# now do the right thing for maps	1893	# now do the right thing for maps
1436	$self->link_multipart_objects;	1894	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1896	unless $self->difficulty;
		1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1448	$self->activate;	1906	$self->activate;
1449	}	1907	}
1450		1908
1451	Coro::cede;
1452
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
		1913	}
		1914
		1915	sub customise_for {
		1916	my ($self, $ob) = @_;
		1917
		1918	return find "~" . $ob->name . "/" . $self->{path}
		1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
		1924	$self
		1925	}
		1926
		1927	# find and load all maps in the 3x3 area around a map
		1928	sub load_diag {
		1929	my ($map) = @_;
		1930
		1931	my @diag; # diagonal neighbours
		1932
		1933	for (0 .. 3) {
		1934	my $neigh = $map->tile_path ($_)
		1935	or next;
		1936	$neigh = find $neigh, $map
		1937	or next;
		1938	$neigh->load;
		1939
		1940	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1941	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1942	}
		1943
		1944	for (@diag) {
		1945	my $neigh = find @$_
		1946	or next;
		1947	$neigh->load;
		1948	}
1454	}	1949	}
1455		1950
1456	sub find_sync {	1951	sub find_sync {
1457	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1458		1953
1459	cf::sync_job { cf::map::find $path, $origin }	1954	cf::sync_job { find $path, $origin }
1460	}	1955	}
1461		1956
1462	sub do_load_sync {	1957	sub do_load_sync {
1463	my ($map) = @_;	1958	my ($map) = @_;
1464		1959
1465	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1466	}	1961	}
1467		1962
		1963	our %MAP_PREFETCH;
		1964	our $MAP_PREFETCHER = undef;
		1965
		1966	sub find_async {
		1967	my ($path, $origin) = @_;
		1968
		1969	$path = normalise $path, $origin && $origin->{path};
		1970
		1971	if (my $map = $cf::MAP{$path}) {
		1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1973	}
		1974
		1975	undef $MAP_PREFETCH{$path};
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	for my $path (keys %MAP_PREFETCH) {
		1979	if (my $map = find $path) {
		1980	$map->load;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$path};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
		1987	};
		1988	$MAP_PREFETCHER->prio (6);
		1989
		1990	()
		1991	}
		1992
1468	sub save {	1993	sub save {
1469	my ($self) = @_;	1994	my ($self) = @_;
1470		1995
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1997
1473	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1474		1999
1475	return unless $self->dirty;	2000	return unless $self->dirty;
1476		2001
1477	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		2004
1480	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1481		2006
1482	return if $self->{deny_save};	2007	return if $self->{deny_save};
1483		2008
…		…
1486	cf::async {	2011	cf::async {
1487	$_->contr->save for $self->players;	2012	$_->contr->save for $self->players;
1488	};	2013	};
1489		2014
1490	if ($uniq) {	2015	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2018	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2020	}
1496	}	2021	}
1497		2022
1498	sub swap_out {	2023	sub swap_out {
1499	my ($self) = @_;	2024	my ($self) = @_;
…		…
1513		2038
1514	sub reset_at {	2039	sub reset_at {
1515	my ($self) = @_;	2040	my ($self) = @_;
1516		2041
1517	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1520		2044
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2047
…		…
1528	my ($self) = @_;	2052	my ($self) = @_;
1529		2053
1530	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1531	}	2055	}
1532		2056
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2057	sub reset {
1555	my ($self) = @_;	2058	my ($self) = @_;
1556		2059
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2061
1559	return if $self->players;	2062	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2063
1562	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1563		2075
1564	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1565		2079
1566	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1567		2081
1568	$self->unlink_save;	2082	$self->unlink_save;
1569	$self->destroy;	2083	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1573		2087
1574	sub nuke {	2088	sub nuke {
1575	my ($self) = @_;	2089	my ($self) = @_;
1576		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1580	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1581	}	2104	}
1582		2105
1583	sub customise_for {	2106	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2107
1586	if ($map->per_player) {	2108	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
1588	}	2114	[
1589		2115	map {
1590	$map	2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
1591	}	2122	}
1592		2123
1593	sub emergency_save {	2124	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2125
1596	warn "enter emergency perl save\n";	2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
1597		2128
1598	cf::sync_job {	2129	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2130
1603	warn "begin emergency map save\n";	2131	sub random_maps() {
1604	$_->save for values %cf::MAP;	2132	[
1605	warn "end emergency map save\n";	2133	map {
1606	};	2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
1607		2141
1608	warn "leave emergency perl save\n";	2142	=item cf::map::unique_maps
		2143
		2144	Returns an arrayref of paths of all shared maps that have
		2145	instantiated unique items. May block.
		2146
		2147	=cut
		2148
		2149	sub unique_maps() {
		2150	[
		2151	map {
		2152	utf8::decode $_;
		2153	/\.map$/
		2154	? normalise $_
		2155	: ()
		2156	} @{ aio_readdir $UNIQUEDIR or [] }
		2157	]
1609	}	2158	}
1610		2159
1611	package cf;	2160	package cf;
1612		2161
1613	=back	2162	=back
1614		2163
		2164	=head3 cf::object
		2165
		2166	=cut
		2167
		2168	package cf::object;
		2169
		2170	=over 4
		2171
		2172	=item $ob->inv_recursive
		2173
		2174	Returns the inventory of the object _and_ their inventories, recursively.
		2175
		2176	=cut
		2177
		2178	sub inv_recursive_;
		2179	sub inv_recursive_ {
		2180	map { $_, inv_recursive_ $_->inv } @_
		2181	}
		2182
		2183	sub inv_recursive {
		2184	inv_recursive_ inv $_[0]
		2185	}
		2186
		2187	package cf;
		2188
		2189	=back
1615		2190
1616	=head3 cf::object::player	2191	=head3 cf::object::player
1617		2192
1618	=over 4	2193	=over 4
1619		2194
…		…
1633		2208
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2210
1636	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1638	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1641	}	2230	}
1642	}	2231	}
1643		2232
1644	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1645		2234
…		…
1659		2248
1660	=item $player_object->enter_link	2249	=item $player_object->enter_link
1661		2250
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2251	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2252
1664	The player should be reaosnably safe there for short amounts of time. You	2253	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	2254	I<MUST> call C<leave_link> as soon as possible, though.
1666		2255
		2256	Will never block.
		2257
1667	=item $player_object->leave_link ($map, $x, $y)	2258	=item $player_object->leave_link ($map, $x, $y)
1668		2259
1669	Moves the player out of the specila link map onto the given map. If the	2260	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2261	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2262	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2263	fails, to the emergency map position.
1673		2264
1674	Might block.	2265	Might block.
1675		2266
1676	=cut	2267	=cut
		2268
		2269	sub link_map {
		2270	unless ($LINK_MAP) {
		2271	$LINK_MAP = cf::map::find "{link}"
		2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2273	$LINK_MAP->load;
		2274	}
		2275
		2276	$LINK_MAP
		2277	}
1677		2278
1678	sub cf::object::player::enter_link {	2279	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2280	my ($self) = @_;
1680		2281
1681	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1682		2283
1683	return if $self->map == $LINK_MAP;	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2285
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1687		2288
1688	$self->enter_map ($LINK_MAP, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2290	}
1690		2291
1691	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1693		2296
1694	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1695		2298
1696	unless ($map) {	2299	unless ($map) {
1697	# restore original map position	2300	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1714		2317
1715	$map->load;	2318	$map->load;
		2319	$map->load_diag;
1716		2320
1717	return unless $self->contr->active;	2321	return unless $self->contr->active;
1718	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1720	}	2326	}
1721		2327
1722	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2329
1726	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1730	};	2334	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2335
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1757		2339
1758	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2342
1761	$path = new cf::path $path;	2343	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2345
1764	$self->enter_link;	2346	$self->enter_link;
1765		2347
1766	(async {	2348	(async {
		2349	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1769		2354	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1774		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1776	})->prio (1);	2373	})->prio (1);
1777	}	2374	}
1778		2375
1779	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1780		2377
…		…
1782		2379
1783	sub parse_random_map_params {	2380	sub parse_random_map_params {
1784	my ($spec) = @_;	2381	my ($spec) = @_;
1785		2382
1786	my $rmp = { # defaults	2383	my $rmp = { # defaults
1787	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1789	};	2388	};
1790		2389
1791	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1793		2392
…		…
1797	$rmp	2396	$rmp
1798	}	2397	}
1799		2398
1800	sub prepare_random_map {	2399	sub prepare_random_map {
1801	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2403
1803	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2406	# that depends on the exit object
1806		2407
1807	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1808		2409
1809	if ($exit->map) {	2410	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1814	}	2415	}
1815		2416
1816	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1817		2418
1818	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1820		2422
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1823		2427
1824	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2429	$exit->msg (undef);
1826	}	2430	}
1827	}	2431	}
…		…
1829	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1831		2435
1832	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1833		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1834	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1835		2454
1836	(async {	2455	(async {
1837	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2457	unless (eval {
1839	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2459
1845	1;	2460	1;
1846	}) {	2461	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2464	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2466
1852	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2468	$self->leave_link;
1854	}	2469	}
1855	})->prio (1);	2470	})->prio (1);
…		…
1868		2483
1869	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1871		2486
1872	utf8::encode $text;	2487	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2489	}
1875		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
		2543	=item $client->ext_event ($type, %msg)
		2544
		2545	Sends an ext event to the client.
		2546
		2547	=cut
		2548
		2549	sub cf::client::ext_event($$%) {
		2550	my ($self, $type, %msg) = @_;
		2551
		2552	return unless $self->extcmd;
		2553
		2554	$msg{msgtype} = "event_$type";
		2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2556	}
1876		2557
1877	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1878		2559
1879	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2561	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2563
1883	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2565	become reliable at some point in the future.
1885		2566
1886	=cut	2567	=cut
1887		2568
1888	sub cf::client::query {	2569	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2578	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2580
1900	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
1902	}	2585	}
1903		2586
1904	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
1905	on_reply => sub {	2593	on_reply => sub {
1906	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
1907		2595
1908	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
1909	# get handled first	2597	# get handled first
1910	my $queue = delete $ns->{query_queue}	2598	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2599	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2600
1913	(shift @$queue)->[1]->($msg);	2601	(shift @$queue)->[1]->($msg);
		2602	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2603
1915	push @{ $ns->{query_queue} }, @$queue;	2604	push @{ $ns->{query_queue} }, @$queue;
1916		2605
1917	if (@{ $ns->{query_queue} } == @$queue) {	2606	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2607	if (@$queue) {
…		…
1920	} else {	2609	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2611	}
1923	}	2612	}
1924	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
1925	);	2632	);
1926		2633
1927	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
1928		2635
1929	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
1976		2683
1977	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
1978		2685
1979	=pod	2686	=pod
1980		2687
1981	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
1982		2689
1983	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
1984	cf::object::player player	2694	cf::object::player
1985	cf::player peaceful	2695	player
1986	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
1987		2702
1988	=cut	2703	=cut
1989		2704
1990	for (	2705	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
1992	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
1995	) {	2711	) {
1996	no strict 'refs';	2712	no strict 'refs';
…		…
2067	=back	2783	=back
2068		2784
2069	=cut	2785	=cut
2070		2786
2071	#############################################################################	2787	#############################################################################
		2788	# the server's init and main functions
2072		2789
2073	=head2 EXTENSION DATABASE SUPPORT	2790	sub load_facedata($) {
		2791	my ($path) = @_;
2074		2792
2075	Crossfire maintains a very simple database for extension use. It can	2793	warn "loading facedata from $path\n";
2076	currently store anything that can be serialised using Storable, which
2077	excludes objects.
2078		2794
2079	The parameter C<$family> should best start with the name of the extension	2795	my $facedata;
2080	using it, it should be unique.	2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
2081		2798
2082	=over 4	2799	$facedata = Coro::Storable::thaw $facedata;
2083		2800
2084	=item $hashref = cf::db_get $family	2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
2085		2803
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key
2091
2092	Returns a single value from the database
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}	2804	{
		2805	my $faces = $facedata->{faceinfo};
2122		2806
2123	my $pid;	2807	while (my ($face, $info) = each %$faces) {
		2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
		2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2124		2813
2125	sub db_save() {	2814	cf::cede_to_tick;
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2815	}
2171	);
2172	}
2173		2816
2174	#############################################################################	2817	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2818	next unless $info->{smooth};
		2819	my $idx = cf::face::find $face
		2820	or next;
		2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
		2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2824	} else {
		2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2826	}
		2827
		2828	cf::cede_to_tick;
		2829	}
		2830	}
		2831
		2832	{
		2833	my $anims = $facedata->{animinfo};
		2834
		2835	while (my ($anim, $info) = each %$anims) {
		2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871	}
		2872
		2873	1
		2874	}
		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
		2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
		2906	sub reload_resources {
		2907	warn "reloading resource files...\n";
		2908
		2909	reload_regions;
		2910	reload_facedata;
		2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
		2916	}
		2917
		2918	sub init {
		2919	reload_resources;
		2920	}
2176		2921
2177	sub cfg_load {	2922	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2924	or return;
2180		2925
2181	local $/;	2926	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2183		2928
…		…
2197		2942
2198	sub main {	2943	sub main {
2199	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2946	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2947	(async {
2202	async { Event::one_event };	2948	Event::one_event;
		2949	})->prio (Coro::PRIO_MAX);
2203	};	2950	};
2204		2951
2205	cfg_load;	2952	cfg_load;
2206	db_load;	2953	db_init;
2207	load_extensions;	2954	load_extensions;
		2955
		2956	$TICK_WATCHER->start;
2208	Event::loop;	2957	Event::loop;
2209	}	2958	}
2210		2959
2211	#############################################################################	2960	#############################################################################
2212	# initialisation	2961	# initialisation and cleanup
2213		2962
		2963	# install some emergency cleanup handlers
		2964	BEGIN {
		2965	for my $signal (qw(INT HUP TERM)) {
		2966	Event->signal (
		2967	reentrant => 0,
		2968	data => WF_AUTOCANCEL,
		2969	signal => $signal,
		2970	prio => 0,
		2971	cb => sub {
		2972	cf::cleanup "SIG$signal";
		2973	},
		2974	);
		2975	}
		2976	}
		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
		3014	}
		3015
		3016	sub emergency_save() {
		3017	my $freeze_guard = cf::freeze_mainloop;
		3018
		3019	warn "enter emergency perl save\n";
		3020
		3021	cf::sync_job {
		3022	# use a peculiar iteration method to avoid tripping on perl
		3023	# refcount bugs in for. also avoids problems with players
		3024	# and maps saved/destroyed asynchronously.
		3025	warn "begin emergency player save\n";
		3026	for my $login (keys %cf::PLAYER) {
		3027	my $pl = $cf::PLAYER{$login} or next;
		3028	$pl->valid or next;
		3029	$pl->save;
		3030	}
		3031	warn "end emergency player save\n";
		3032
		3033	warn "begin emergency map save\n";
		3034	for my $path (keys %cf::MAP) {
		3035	my $map = $cf::MAP{$path} or next;
		3036	$map->valid or next;
		3037	$map->save;
		3038	}
		3039	warn "end emergency map save\n";
		3040
		3041	warn "begin emergency database checkpoint\n";
		3042	BDB::db_env_txn_checkpoint $DB_ENV;
		3043	warn "end emergency database checkpoint\n";
		3044	};
		3045
		3046	warn "leave emergency perl save\n";
		3047	}
		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2214	sub reload() {	3056	sub do_reload_perl() {
2215	# can/must only be called in main	3057	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3059	warn "can only reload from main coroutine";
2218	return;	3060	return;
2219	}	3061	}
2220		3062
2221	warn "reloading...";	3063	warn "reloading...";
2222		3064
2223	my $guard = freeze_mainloop;	3065	warn "entering sync_job";
		3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2225		3071
2226	eval {	3072	warn "syncing database to disk";
		3073	BDB::db_env_txn_checkpoint $DB_ENV;
		3074
2227	# if anything goes wrong in here, we should simply crash as we already saved	3075	# if anything goes wrong in here, we should simply crash as we already saved
2228		3076
2229	# cancel all watchers	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	3080	}
2233		3081
		3082	warn "flushing outstanding aio requests";
		3083	for (;;) {
		3084	BDB::flush;
		3085	IO::AIO::flush;
		3086	Coro::cede;
		3087	last unless IO::AIO::nreqs || BDB::nreqs;
		3088	warn "iterate...";
		3089	}
		3090
		3091	++$RELOAD;
		3092
2234	# cancel all extension coros	3093	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3095	%EXT_CORO = ();
2237		3096
2238	# unload all extensions	3097	warn "removing commands";
2239	for (@exts) {	3098	%COMMAND = ();
		3099
		3100	warn "removing ext/exti commands";
		3101	%EXTCMD = ();
		3102	%EXTICMD = ();
		3103
		3104	warn "unloading/nuking all extensions";
		3105	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	3106	warn "... unloading $pkg";
2241	unload_extension $_;	3107
		3108	if (my $cb = $pkg->can ("unload")) {
		3109	eval {
		3110	$cb->($pkg);
		3111	1
		3112	} or warn "$pkg unloaded, but with errors: $@";
2242	}	3113	}
2243		3114
		3115	warn "... nuking $pkg";
		3116	Symbol::delete_package $pkg;
		3117	}
		3118
2244	# unload all modules loaded from $LIBDIR	3119	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	3120	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		3122
2248	warn "removing <$k>";	3123	warn "... unloading $k";
2249	delete $INC{$k};	3124	delete $INC{$k};
2250		3125
2251	$k =~ s/\.pm$//;	3126	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3127	$k =~ s/\//::/g;
2253		3128
…		…
2256	}	3131	}
2257		3132
2258	Symbol::delete_package $k;	3133	Symbol::delete_package $k;
2259	}	3134	}
2260		3135
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3136	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3139
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3140	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2274		3143
2275	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3145	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2278		3147
2279	# reload cf.pm	3148	warn "unload completed, starting to reload now";
		3149
2280	warn "reloading cf.pm";	3150	warn "reloading cf.pm";
2281	require cf;	3151	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3153
2284	# load config and database again	3154	warn "loading config and database again";
2285	cf::cfg_load;	3155	cf::cfg_load;
2286	cf::db_load;
2287		3156
2288	# load extensions
2289	warn "load extensions";	3157	warn "loading extensions";
2290	cf::load_extensions;	3158	cf::load_extensions;
2291		3159
2292	# reattach attachments to objects	3160	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3161	_global_reattach; # objects, sockets
2294	_global_reattach;	3162	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2296	};	3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2297		3166
2298	if ($@) {	3167	warn "leaving sync_job";
		3168
		3169	1
		3170	} or do {
2299	warn $@;	3171	warn $@;
2300	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2301	exit 1;	3173	exit 1;
2302	}	3174	};
2303		3175
2304	warn "reloaded successfully";	3176	warn "reloaded";
2305	};	3177	};
2306		3178
2307	#############################################################################	3179	our $RELOAD_WATCHER; # used only during reload
2308		3180
2309	unless ($LINK_MAP) {	3181	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
2311		3184
2312	$LINK_MAP->width (41);	3185	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3186	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	3187	after => 0,
		3188	data => WF_AUTOCANCEL,
2322	cb => sub {	3189	cb => sub {
2323	$_[0]->w->cancel;	3190	do_reload_perl;
2324		3191	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	3192	},
2343		3193	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3194	}
2349
2350	register "<global>", __PACKAGE__;
2351		3195
2352	register_command "reload" => sub {	3196	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2354		3198
2355	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3200	$who->message ("reloading server.");
		3201	async { reload_perl };
2359	}	3202	}
2360	};	3203	};
2361		3204
2362	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2363		3206
		3207	my $bug_warning = 0;
		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3233	reentrant => 0,
		3234	parked => 1,
2366	prio => 0,	3235	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3237	data => WF_AUTOCANCEL,
2369	cb => sub {	3238	cb => sub {
		3239	if ($Coro::current != $Coro::main) {
		3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3241	unless ++$bug_warning > 10;
		3242	return;
		3243	}
		3244
		3245	$NOW = $tick_start = Event::time;
		3246
2370	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2371	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2373		3274
		3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3277	Coro::async_pool {
		3278	write_runtime
		3279	or warn "ERROR: unable to write runtime file: $!";
		3280	};
		3281	}
		3282
		3283	# my $AFTER = Event::time;
		3284	# warn $AFTER - $NOW;#d#
		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
		3294
2374	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3297
2377	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2379	},	3307	},
2380	);	3308	);
2381		3309
		3310	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3311	BDB::max_poll_time $TICK * 0.1;
2383		3312	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3313	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3314	fd => BDB::poll_fileno,
2386	poll => 'r',	3315	poll => 'r',
2387	prio => 5,	3316	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3317	data => WF_AUTOCANCEL,
2394	after => 0,	3318	cb => \&BDB::poll_cb,
2395	interval => 10,	3319	);
2396	cb => sub {	3320	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3321
2398	write_runtime	3322	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3323	my $status;
		3324	my $current = $Coro::current;
		3325	(
		3326	sub {
		3327	$status = $!;
		3328	$current->ready; undef $current;
		3329	},
		3330	sub {
		3331	Coro::schedule while defined $current;
		3332	$! = $status;
		3333	},
		3334	)
		3335	};
		3336
		3337	unless ($DB_ENV) {
		3338	$DB_ENV = BDB::db_env_create;
		3339
		3340	cf::sync_job {
		3341	eval {
		3342	BDB::db_env_open
		3343	$DB_ENV,
		3344	$BDBDIR,
		3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3347	0666;
		3348
		3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3350
		3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3352	$DB_ENV->set_lk_detect;
		3353	};
		3354
		3355	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3356	};
2401	},	3357	}
2402	);	3358	}
		3359
		3360	{
		3361	IO::AIO::min_parallel 8;
		3362
		3363	undef $Coro::AIO::WATCHER;
		3364	IO::AIO::max_poll_time $TICK * 0.1;
		3365	$AIO_POLL_WATCHER = Event->io (
		3366	reentrant => 0,
		3367	data => WF_AUTOCANCEL,
		3368	fd => IO::AIO::poll_fileno,
		3369	poll => 'r',
		3370	prio => 6,
		3371	cb => \&IO::AIO::poll_cb,
		3372	);
		3373	}
		3374
		3375	my $_log_backtrace;
		3376
		3377	sub _log_backtrace {
		3378	my ($msg, @addr) = @_;
		3379
		3380	$msg =~ s/\n//;
		3381
		3382	# limit the # of concurrent backtraces
		3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
		3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
		3410	}
		3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
2403		3415
2404	END { cf::emergency_save }	3416	END { cf::emergency_save }
2405		3417
2406	1	3418	1
2407		3419

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