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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.345 by root, Tue Aug 28 19:30:11 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 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
		92	our %PLAYER; # all users
52	our %MAP; # all maps	93	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	95
55	our %EXT_CORO;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
56		102
57	binmode STDOUT;	103	binmode STDOUT;
58	binmode STDERR;	104	binmode STDERR;
59		105
60	# read virtual server time, if available	106	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
65	}	111	}
66		112
67	mkdir cf::localdir;	113	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		115
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	133	every server tick.
91		134
92	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
123	};	194	};
124	}	195	}
125		196
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		204
133	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	206	# within the Safe compartment.
135	for my $pkg (qw(	207	for my $pkg (qw(
136	cf::global cf::attachable	208	cf::global cf::attachable
…		…
145		217
146	$Event::DIED = sub {	218	$Event::DIED = sub {
147	warn "error in event callback: @_";	219	warn "error in event callback: @_";
148	};	220	};
149		221
150	my %ext_pkg;	222	#############################################################################
151	my @exts;
152	my @hook;
153		223
154	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
155		225
156	=over 4	226	=over 4
157		227
158	=cut	228	=item dumpval $ref
159		229
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
161		250
162	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
163		252
164	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
165		254
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
174		256
175	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
176		258
177	=cut	259	=cut
178		260
179	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
181	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
183		265
184	=item cf::lock_wait $string	266	=item cf::lock_wait $string
185		267
186	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
187		269
…		…
193	returned.	275	returned.
194		276
195	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
197		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
198	=cut	284	=cut
199		285
200	our %LOCK;	286	our %LOCK;
201		287
202	sub lock_wait($) {	288	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
223	}	309	}
224	}	310	}
225		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
226	sub freeze_mainloop {	318	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
228		320
229	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
230	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
231	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
232	}	382	}
233		383
234	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
235		385
236	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
241		391
242	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
243		393
244	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
245		395
246	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
247	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
248	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
249		400
250	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
251	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
252	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
253	fast or be very important.	404	fast or be very important.
…		…
256		407
257	sub sync_job(&) {	408	sub sync_job(&) {
258	my ($job) = @_;	409	my ($job) = @_;
259		410
260	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
261	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
262	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
263		416
264	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
265	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
273	warn $@ if $@;	426	warn $@ if $@;
274	undef $busy;	427	undef $busy;
275	})->prio (Coro::PRIO_MAX);	428	})->prio (Coro::PRIO_MAX);
276		429
277	while ($busy) {	430	while ($busy) {
278	unless (Coro::cede) {	431	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}	432	}
282	}	433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
283		440
284	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
285	} else {	442	} else {
286	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
287		444
…		…
289	}	446	}
290	}	447	}
291		448
292	=item $coro = cf::async_ext { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
293		450
294	Like async, but this coro is automcatially being canceled when the	451	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	452	extension calling this is being unloaded.
296		453
297	=cut	454	=cut
298		455
299	sub async_ext(&) {	456	sub async_ext(&) {
…		…
307	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
308		465
309	$coro	466	$coro
310	}	467	}
311		468
312	sub write_runtime {	469	=item fork_call { }, $args
313	my $runtime = cf::localdir . "/runtime";
314		470
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
316	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
317		475
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;
321		477
322	aio_fsync $fh	478	sub fork_call(&@) {
323	and return;	479	my ($cb, @args) = @_;
324		480
325	close $fh	481	# we seemingly have to make a local copy of the whole thing,
326	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
327		484
328	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
329	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
330		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
331	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
332	}	618	}
333		619
334	=back	620	=back
335		621
336	=cut	622	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		623
458	#############################################################################	624	#############################################################################
459		625
460	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
461		627
…		…
463	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
464	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
465		631
466	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
467	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
468	crossfire+).	634	Crossfire TRT).
469		635
470	=over 4	636	=over 4
471		637
472	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
473		639
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	754	our @CB_MAP = ();
589		755
590	my %attachment;	756	my %attachment;
591		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
592	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
594		766
595	use sort 'stable';	767	use sort 'stable';
596		768
…		…
630	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
631		803
632	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
633	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
634	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
635	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
636		808
637	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
638	my $pkg = shift @arg;	810	my $pkg = shift @arg;
639		811
640	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
669	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
670	}	842	}
671		843
672	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
673	} else {	845	} else {
674	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
675	}	847	}
676		848
677	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
678	}	850	}
679		851
…		…
681	if (ref $_[0]) {	853	if (ref $_[0]) {
682	_object_attach @_;	854	_object_attach @_;
683	} else {	855	} else {
684	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
685	}	857	}
		858	_recalc_want;
686	};	859	};
687		860
688	# all those should be optimised	861	# all those should be optimised
689	sub cf::attachable::detach {	862	sub cf::attachable::detach {
690	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
693	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
694	reattach ($obj);	867	reattach ($obj);
695	} else {	868	} else {
696	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
697	}	870	}
		871	_recalc_want;
698	};	872	};
699		873
700	sub cf::attachable::attached {	874	sub cf::attachable::attached {
701	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
702		876
…		…
717	";	891	";
718	die if $@;	892	die if $@;
719	}	893	}
720		894
721	our $override;	895	our $override;
722	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
723		897
724	sub override {	898	sub override {
725	$override = 1;	899	$override = 1;
726	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
727	}	901	}
728		902
729	sub do_invoke {	903	sub do_invoke {
730	my $event = shift;	904	my $event = shift;
731	my $callbacks = shift;	905	my $callbacks = shift;
732		906
733	@invoke_results = ();	907	@INVOKE_RESULTS = ();
734		908
735	local $override;	909	local $override;
736		910
737	for (@$callbacks) {	911	for (@$callbacks) {
738	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
755		929
756	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
757		931
758	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
759	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
760	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
761		935
762	=back	936	=back
763		937
764	=cut	938	=cut
765		939
766	#############################################################################	940	#############################################################################
767	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
768		953
769	sub reattach {	954	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		959
773	my $registry = $obj->registry;	960	my $registry = $obj->registry;
774		961
775	@$registry = ();	962	@$registry = ();
776		963
…		…
823	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
824		1011
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1016	close $fh;
830		1017
831	if (@$objs) {	1018	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1024	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
839	}	1026	}
840	} else {	1027	} else {
841	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
873	or return;	1060	or return;
874	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1062	}
876		1063
877	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
879	return ($data, $av);	1066	return ($data, $av);
880	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
881		1074
882	#############################################################################	1075	#############################################################################
883	# command handling &c	1076	# command handling &c
884		1077
885	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1092	}
900		1093
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1095
903	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
904		1101
905	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
906	called.	1103	called.
907		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
908	=cut	1116	=cut
909		1117
910	sub register_extcmd {	1118	sub register_extcmd {
911	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
912		1120
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
917	}	1128	}
918		1129
919	cf::player->attach (	1130	cf::player->attach (
920	on_command => sub {	1131	on_command => sub {
921	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
930	cf::override;	1141	cf::override;
931	},	1142	},
932	on_extcmd => sub {	1143	on_extcmd => sub {
933	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
934		1145
935	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
936		1147
937	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
940	$pl->ext_reply ($msg->{msgid}, %reply);
941	}
942	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
943	} else {	1163	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
945	}	1165	}
946		1166
947	cf::override;	1167	cf::override;
948	},	1168	},
949	);	1169	);
950		1170
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
		1175	for my $path (<$LIBDIR/*.ext>) {
		1176	next unless -r $path;
		1177
		1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
		1235	}
		1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
		1241	};
		1242	}
		1243
		1244	#############################################################################
		1245
		1246	=back
		1247
		1248	=head2 CORE EXTENSIONS
		1249
		1250	Functions and methods that extend core crossfire objects.
		1251
		1252	=cut
		1253
		1254	package cf::player;
		1255
		1256	use Coro::AIO;
		1257
		1258	=head3 cf::player
		1259
		1260	=over 4
		1261
		1262	=item cf::player::find $login
		1263
		1264	Returns the given player object, loading it if necessary (might block).
		1265
		1266	=cut
		1267
		1268	sub playerdir($) {
		1269	"$PLAYERDIR/"
		1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1271	}
		1272
		1273	sub path($) {
		1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1275
		1276	(playerdir $login) . "/playerdata"
		1277	}
		1278
		1279	sub find_active($) {
		1280	$cf::PLAYER{$_[0]}
		1281	and $cf::PLAYER{$_[0]}->active
		1282	and $cf::PLAYER{$_[0]}
		1283	}
		1284
		1285	sub exists($) {
		1286	my ($login) = @_;
		1287
		1288	$cf::PLAYER{$login}
		1289	or cf::sync_job { !aio_stat path $login }
		1290	}
		1291
		1292	sub find($) {
		1293	return $cf::PLAYER{$_[0]} || do {
		1294	my $login = $_[0];
		1295
		1296	my $guard = cf::lock_acquire "user_find:$login";
		1297
		1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
		1306	my $pl = load_pl path $login
		1307	or return;
		1308	$cf::PLAYER{$login} = $pl
		1309	}
		1310	}
		1311	}
		1312
		1313	sub save($) {
		1314	my ($pl) = @_;
		1315
		1316	return if $pl->{deny_save};
		1317
		1318	my $path = path $pl;
		1319	my $guard = cf::lock_acquire "user_save:$path";
		1320
		1321	return if $pl->{deny_save};
		1322
		1323	aio_mkdir playerdir $pl, 0770;
		1324	$pl->{last_save} = $cf::RUNTIME;
		1325
		1326	$pl->save_pl ($path);
		1327	Coro::cede;
		1328	}
		1329
		1330	sub new($) {
		1331	my ($login) = @_;
		1332
		1333	my $self = create;
		1334
		1335	$self->ob->name ($login);
		1336	$self->{deny_save} = 1;
		1337
		1338	$cf::PLAYER{$login} = $self;
		1339
		1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
		1353	=item $pl->quit_character
		1354
		1355	Nukes the player without looking back. If logged in, the connection will
		1356	be destroyed. May block for a long time.
		1357
		1358	=cut
		1359
		1360	sub quit_character {
		1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
		1364
		1365	$pl->{deny_save} = 1;
		1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1367
		1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1369	$pl->deactivate;
		1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1371	$pl->ns->destroy if $pl->ns;
		1372
		1373	my $path = playerdir $pl;
		1374	my $temp = "$path~$cf::RUNTIME~deleting~";
		1375	aio_rename $path, $temp;
		1376	delete $cf::PLAYER{$pl->ob->name};
		1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
		1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
		1399	}
		1400
		1401	=item cf::player::list_logins
		1402
		1403	Returns am arrayref of all valid playernames in the system, can take a
		1404	while and may block, so not sync_job-capable, ever.
		1405
		1406	=cut
		1407
		1408	sub list_logins {
		1409	my $dirs = aio_readdir $PLAYERDIR
		1410	or return [];
		1411
		1412	my @logins;
		1413
		1414	for my $login (@$dirs) {
		1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1416	aio_read $fh, 0, 512, my $buf, 0 or next;
		1417	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1418
		1419	utf8::decode $login;
		1420	push @logins, $login;
		1421	}
		1422
		1423	\@logins
		1424	}
		1425
		1426	=item $player->maps
		1427
		1428	Returns an arrayref of map paths that are private for this
		1429	player. May block.
		1430
		1431	=cut
		1432
		1433	sub maps($) {
		1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
		1438	my $files = aio_readdir playerdir $pl
		1439	or return;
		1440
		1441	my @paths;
		1442
		1443	for (@$files) {
		1444	utf8::decode $_;
		1445	next if /\.(?:pl|pst)$/;
		1446	next unless /^$PATH_SEP/o;
		1447
		1448	push @paths, cf::map::normalise "~$pl/$_";
		1449	}
		1450
		1451	\@paths
		1452	}
		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
		1504	=item $player->ext_reply ($msgid, @msg)
		1505
		1506	Sends an ext reply to the player.
		1507
		1508	=cut
		1509
		1510	sub ext_reply($$@) {
		1511	my ($self, $id, @msg) = @_;
		1512
		1513	$self->ns->ext_reply ($id, @msg)
		1514	}
		1515
		1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
958	my ($path) = @_;	1543	my ($path) = @_;
959		1544
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1545	my ($match, $specificity);
961	my $base = $1;
962	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";
965		1546
966	warn "loading '$path' into '$pkg'\n";	1547	for my $region (list) {
967		1548	if ($region->{match} && $path =~ $region->{match}) {
968	open my $fh, "<:utf8", $path	1549	($match, $specificity) = ($region, $region->specificity)
969	or die "$path: $!";	1550	if $region->specificity > $specificity;
970		1551	}
971	my $source =
972	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })
975	. "\n};\n1";
976
977	eval $source
978	or die $@ ? "$path: $@\n"
979	: "extension disabled.\n";
980
981	push @exts, $pkg;
982	$ext_pkg{$base} = $pkg;
983
984	# no strict 'refs';
985	# @{"$pkg\::ISA"} = ext::;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	1552	}
1000		1553
1001	# remove commands	1554	$match
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}
1026
1027	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;
1030	eval {
1031	load_extension $ext;
1032	1
1033	} or warn "$ext not loaded: $@";
1034	}
1035	}
1036
1037	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074
1075	=head2 CORE EXTENSIONS
1076
1077	Functions and methods that extend core crossfire objects.
1078
1079	=head3 cf::player
1080
1081	=over 4
1082
1083	=item cf::player::exists $login
1084
1085	Returns true when the given account exists.
1086
1087	=cut
1088
1089	sub cf::player::exists($) {
1090	cf::player::find $_[0]
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1092	}
1093
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095
1096	Sends an ext reply to the player.
1097
1098	=cut
1099
1100	sub cf::player::ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;
1102
1103	$msg{msgid} = $id;
1104
1105	$self->send ("ext " . to_json \%msg);
1106	}	1555	}
1107		1556
1108	=back	1557	=back
1109
1110		1558
1111	=head3 cf::map	1559	=head3 cf::map
1112		1560
1113	=over 4	1561	=over 4
1114		1562
…		…
1117	package cf::map;	1565	package cf::map;
1118		1566
1119	use Fcntl;	1567	use Fcntl;
1120	use Coro::AIO;	1568	use Coro::AIO;
1121		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1122	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1124		1576
1125	sub generate_random_map {	1577	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1580	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
		1592	)
		1593	}
		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
1142	}	1720	}
1143		1721
1144	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1145	# all maps in C++...	1723	# all maps in C++...
1146	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1148		1726
1149	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1151	}	1729	}
1152		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1153	sub try_load_header($) {	1747	sub load_header_from($) {
1154	my ($path) = @_;	1748	my ($self, $path) = @_;
1155		1749
1156	utf8::encode $path;	1750	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1158	or return;	1755	or return;
1159		1756
1160	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1161	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1162		1803
1163	# for better error messages only, will be overwritten	1804	$self->{deny_reset} = 1
1164	$map->path ($path);	1805	if $self->no_reset;
1165		1806
1166	$map->load_header ($path)	1807	$self->default_region (cf::region::find_by_path $self->{path})
1167	or return;	1808	unless $self->default_region;
1168		1809
1169	$map->{load_path} = $path;	1810	1
1170
1171	$map
1172	}	1811	}
1173		1812
1174	sub find;	1813	sub find;
1175	sub find {	1814	sub find {
1176	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1177		1816
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1818
1183	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1184		1820
1185	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1187		1823	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1824	or return;
1207		1825
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1220		1827
1221	Coro::cede;	1828	$map->load_header
		1829	or return;
1222		1830
1223	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1834	$map->reset;
1225	undef $guard;	1835	undef $guard;
1226	$map = find $path	1836	return find $path;
1227	or return;
1228	}	1837	}
1229		1838
1230	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1231	}	1840	}
1232	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1233		1845
1234	sub load {	1846	sub load {
1235	my ($self) = @_;	1847	my ($self) = @_;
1236		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1237	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1239		1856
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1858
1242	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1243		1860
1244	$self->alloc;	1861	$self->alloc;
		1862
		1863	$self->pre_load;
		1864	Coro::cede;
		1865
1245	$self->load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1867	or return;
1247		1868
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1870	if delete $self->{load_original};
1250		1871
1251	if (my $uniq = $path->uniq_path) {	1872	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1873	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1874	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1875	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1256	}	1877	}
1257	}	1878	}
1258		1879
1259	Coro::cede;	1880	Coro::cede;
1260
1261	# now do the right thing for maps	1881	# now do the right thing for maps
1262	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1263
1264	if ($self->{path}->is_style_map) {
1265	$self->{deny_save} = 1;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;
1271	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1884	unless $self->difficulty;
		1885	Coro::cede;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	Coro::cede;
		1892	$self->set_darkness_map;
		1893	Coro::cede;
1274	$self->activate;	1894	$self->activate;
1275	}	1895	}
1276		1896
1277	Coro::cede;	1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
1278		1899
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1900	$self->in_memory (cf::MAP_IN_MEMORY);
		1901	}
		1902
		1903	$self->post_load;
		1904	}
		1905
		1906	sub customise_for {
		1907	my ($self, $ob) = @_;
		1908
		1909	return find "~" . $ob->name . "/" . $self->{path}
		1910	if $self->per_player;
		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
		1915	$self
		1916	}
		1917
		1918	# find and load all maps in the 3x3 area around a map
		1919	sub load_neighbours {
		1920	my ($map) = @_;
		1921
		1922	my @neigh; # diagonal neighbours
		1923
		1924	for (0 .. 3) {
		1925	my $neigh = $map->tile_path ($_)
		1926	or next;
		1927	$neigh = find $neigh, $map
		1928	or next;
		1929	$neigh->load;
		1930
		1931	push @neigh,
		1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1934	}
		1935
		1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
		1938	my $neigh = find $path, $origin
		1939	or next;
		1940	$neigh->load;
		1941	}
1280	}	1942	}
1281		1943
1282	sub find_sync {	1944	sub find_sync {
1283	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1284		1946
1285	cf::sync_job { cf::map::find $path, $origin }	1947	cf::sync_job { find $path, $origin }
1286	}	1948	}
1287		1949
1288	sub do_load_sync {	1950	sub do_load_sync {
1289	my ($map) = @_;	1951	my ($map) = @_;
1290		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1291	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
		1957	}
		1958
		1959	our %MAP_PREFETCH;
		1960	our $MAP_PREFETCHER = undef;
		1961
		1962	sub find_async {
		1963	my ($path, $origin, $load) = @_;
		1964
		1965	$path = normalise $path, $origin && $origin->{path};
		1966
		1967	if (my $map = $cf::MAP{$path}) {
		1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1969	}
		1970
		1971	$MAP_PREFETCH{$path} |= $load;
		1972
		1973	$MAP_PREFETCHER ||= cf::async {
		1974	while (%MAP_PREFETCH) {
		1975	while (my ($k, $v) = each %MAP_PREFETCH) {
		1976	if (my $map = find $k) {
		1977	$map->load if $v;
		1978	}
		1979
		1980	delete $MAP_PREFETCH{$k};
		1981	}
		1982	}
		1983	undef $MAP_PREFETCHER;
		1984	};
		1985	$MAP_PREFETCHER->prio (6);
		1986
		1987	()
1292	}	1988	}
1293		1989
1294	sub save {	1990	sub save {
1295	my ($self) = @_;	1991	my ($self) = @_;
1296		1992
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1298		1994
1299	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1300		1996
1301	return unless $self->dirty;	1997	return unless $self->dirty;
1302		1998
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1999	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2000	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		2001
1306	$self->{load_path} = $save;	2002	$self->{load_path} = $save;
1307		2003
1308	return if $self->{deny_save};	2004	return if $self->{deny_save};
1309		2005
1310	local $self->{last_access} = $self->last_access;#d#	2006	local $self->{last_access} = $self->last_access;#d#
1311		2007
		2008	cf::async {
		2009	$_->contr->save for $self->players;
		2010	};
		2011
1312	if ($uniq) {	2012	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	2014	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	2015	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	2017	}
1318	}	2018	}
1319		2019
1320	sub swap_out {	2020	sub swap_out {
1321	my ($self) = @_;	2021	my ($self) = @_;
1322		2022
1323	# save first because save cedes	2023	# save first because save cedes
1324	$self->save;	2024	$self->save;
1325		2025
1326	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1327		2027
1328	return if $self->players;	2028	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	2030	return if $self->{deny_save};
1331		2031
…		…
1335		2035
1336	sub reset_at {	2036	sub reset_at {
1337	my ($self) = @_;	2037	my ($self) = @_;
1338		2038
1339	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1342		2041
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2044
…		…
1350	my ($self) = @_;	2049	my ($self) = @_;
1351		2050
1352	$self->reset_at <= $cf::RUNTIME	2051	$self->reset_at <= $cf::RUNTIME
1353	}	2052	}
1354		2053
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2054	sub reset {
1377	my ($self) = @_;	2055	my ($self) = @_;
1378		2056
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		2058
1381	return if $self->players;	2059	return if $self->players;
1382	return if $self->{path}{user_rel};#d#
1383		2060
1384	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
		2062
		2063	$self->in_memory (cf::MAP_SWAPPED);
		2064
		2065	# need to save uniques path
		2066	unless ($self->{deny_save}) {
		2067	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2068
		2069	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2070	if $uniq;
		2071	}
1385		2072
1386	delete $cf::MAP{$self->path};	2073	delete $cf::MAP{$self->path};
		2074
		2075	$self->clear;
1387		2076
1388	$_->clear_links_to ($self) for values %cf::MAP;	2077	$_->clear_links_to ($self) for values %cf::MAP;
1389		2078
1390	$self->unlink_save;	2079	$self->unlink_save;
1391	$self->destroy;	2080	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	2083	my $nuke_counter = "aaaa";
1395		2084
1396	sub nuke {	2085	sub nuke {
1397	my ($self) = @_;	2086	my ($self) = @_;
1398		2087
		2088	delete $cf::MAP{$self->path};
		2089
		2090	$self->unlink_save;
		2091
		2092	bless $self, "cf::map";
		2093	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	2094	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	2095	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2097
		2098	$cf::MAP{$self->path} = $self;
		2099
1402	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1403	}	2101	}
1404		2102
1405	sub customise_for {	2103	=item $maps = cf::map::tmp_maps
1406	my ($map, $ob) = @_;
1407		2104
1408	if ($map->per_player) {	2105	Returns an arrayref with all map paths of currently instantiated and saved
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
1410	}	2111	[
1411		2112	map {
1412	$map	2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
1413	}	2119	}
1414		2120
1415	sub emergency_save {	2121	=item $maps = cf::map::random_maps
1416	my $freeze_guard = cf::freeze_mainloop;
1417		2122
1418	warn "enter emergency map save\n";	2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
1419		2125
1420	cf::sync_job {	2126	=cut
1421	warn "begin emergency map save\n";
1422	$_->save for values %cf::MAP;
1423	};
1424		2127
1425	warn "end emergency map save\n";	2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
		2139	=item cf::map::unique_maps
		2140
		2141	Returns an arrayref of paths of all shared maps that have
		2142	instantiated unique items. May block.
		2143
		2144	=cut
		2145
		2146	sub unique_maps() {
		2147	[
		2148	map {
		2149	utf8::decode $_;
		2150	/\.map$/
		2151	? normalise $_
		2152	: ()
		2153	} @{ aio_readdir $UNIQUEDIR or [] }
		2154	]
1426	}	2155	}
1427		2156
1428	package cf;	2157	package cf;
1429		2158
1430	=back	2159	=back
1431		2160
		2161	=head3 cf::object
		2162
		2163	=cut
		2164
		2165	package cf::object;
		2166
		2167	=over 4
		2168
		2169	=item $ob->inv_recursive
		2170
		2171	Returns the inventory of the object _and_ their inventories, recursively.
		2172
		2173	=cut
		2174
		2175	sub inv_recursive_;
		2176	sub inv_recursive_ {
		2177	map { $_, inv_recursive_ $_->inv } @_
		2178	}
		2179
		2180	sub inv_recursive {
		2181	inv_recursive_ inv $_[0]
		2182	}
		2183
		2184	package cf;
		2185
		2186	=back
1432		2187
1433	=head3 cf::object::player	2188	=head3 cf::object::player
1434		2189
1435	=over 4	2190	=over 4
1436		2191
…		…
1450		2205
1451	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1452		2207
1453	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1454	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1455	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1456	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1457	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1458	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1459	}	2233	}
1460		2234
1461	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1462		2236
1463	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1476		2250
1477	=item $player_object->enter_link	2251	=item $player_object->enter_link
1478		2252
1479	Freezes the player and moves him/her to a special map (C<{link}>).	2253	Freezes the player and moves him/her to a special map (C<{link}>).
1480		2254
1481	The player should be reaosnably safe there for short amounts of time. You	2255	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	2256	I<MUST> call C<leave_link> as soon as possible, though.
1483		2257
		2258	Will never block.
		2259
1484	=item $player_object->leave_link ($map, $x, $y)	2260	=item $player_object->leave_link ($map, $x, $y)
1485		2261
1486	Moves the player out of the specila link map onto the given map. If the	2262	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	2263	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	2264	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	2265	fails, to the emergency map position.
1490		2266
1491	Might block.	2267	Might block.
1492		2268
1493	=cut	2269	=cut
		2270
		2271	sub link_map {
		2272	unless ($LINK_MAP) {
		2273	$LINK_MAP = cf::map::find "{link}"
		2274	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2275	$LINK_MAP->load;
		2276	}
		2277
		2278	$LINK_MAP
		2279	}
1494		2280
1495	sub cf::object::player::enter_link {	2281	sub cf::object::player::enter_link {
1496	my ($self) = @_;	2282	my ($self) = @_;
1497		2283
1498	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1499		2285
1500	return if $self->map == $LINK_MAP;	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		2287
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1504		2290
1505	$self->enter_map ($LINK_MAP, 20, 20);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	2292	}
1507		2293
1508	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1510		2298
1511	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1512		2300
1513	unless ($map) {	2301	unless ($map) {
1514	# restore original map position	2302	# restore original map position
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1531		2319
1532	$map->load;	2320	$map->load;
		2321	$map->load_neighbours;
1533		2322
		2323	return unless $self->contr->active;
1534	$self->activate_recursive;	2324	$self->activate_recursive;
		2325
		2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1536	}	2328	}
1537		2329
1538	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1539	on_logout => sub {
1540	my ($pl) = @_;
1541		2331
1542	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1543	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1544	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1545	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1546	};	2336	be called at the end of this process.
1547	}
1548	},
1549	on_login => sub {
1550	my ($pl) = @_;
1551		2337
1552	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;
1557	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);
1564	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;
1566	})->prio (2);
1567	}
1568	},
1569	);
1570
1571	=item $player_object->goto ($path, $x, $y)
1572
1573	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1574		2341
1575	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1576	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1577		2347
1578	$self->enter_link;	2348	$self->enter_link;
1579		2349
1580	(async {	2350	(async {
1581	$path = new cf::path $path;	2351	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1584	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
1585		2356	$map = $check->($map) if $check && $map;
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	2357	} else {
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
1590		2360
		2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
		2367	}
		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1591	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1592	})->prio (1);	2375	})->prio (1);
1593	}	2376	}
1594		2377
1595	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1596		2379
…		…
1598		2381
1599	sub parse_random_map_params {	2382	sub parse_random_map_params {
1600	my ($spec) = @_;	2383	my ($spec) = @_;
1601		2384
1602	my $rmp = { # defaults	2385	my $rmp = { # defaults
1603	xsize => 10,	2386	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	2387	ysize => (cf::rndm 15, 40),
		2388	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2389	#layout => string,
1605	};	2390	};
1606		2391
1607	for (split /\n/, $spec) {	2392	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	2393	my ($k, $v) = split /\s+/, $_, 2;
1609		2394
…		…
1613	$rmp	2398	$rmp
1614	}	2399	}
1615		2400
1616	sub prepare_random_map {	2401	sub prepare_random_map {
1617	my ($exit) = @_;	2402	my ($exit) = @_;
		2403
		2404	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		2405
1619	# all this does is basically replace the /! path by	2406	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	2407	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	2408	# that depends on the exit object
1622		2409
1623	my $rmp = parse_random_map_params $exit->msg;	2410	my $rmp = parse_random_map_params $exit->msg;
1624		2411
1625	if ($exit->map) {	2412	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	2413	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	2414	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	2415	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	2416	$rmp->{origin_y} = $exit->y;
1630	}	2417	}
1631		2418
1632	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1633		2420
1634	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
		2423	my $meta = "$RANDOMDIR/$md5.meta";
1636		2424
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
		2427	undef $fh;
		2428	aio_rename "$meta~", $meta;
1639		2429
1640	$exit->slaying ("?random/$md5");	2430	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	2431	$exit->msg (undef);
1642	}	2432	}
1643	}	2433	}
…		…
1645	sub cf::object::player::enter_exit {	2435	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	2436	my ($self, $exit) = @_;
1647		2437
1648	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1649		2439
		2440	if ($exit->slaying eq "/!") {
		2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
		2444	cf::sync_job { prepare_random_map $exit };
		2445	}
		2446
		2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2448	my $hp = $exit->stats->hp;
		2449	my $sp = $exit->stats->sp;
		2450
1650	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
1651		2456
1652	(async {	2457	(async {
1653	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	2459	unless (eval {
1655	prepare_random_map $exit	2460	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		2461
1661	1;	2462	1;
1662	}) {	2463	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	2466	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1667		2468
1668	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	2470	$self->leave_link;
1670	}	2471	}
1671	})->prio (1);	2472	})->prio (1);
…		…
1684		2485
1685	sub cf::client::send_drawinfo {	2486	sub cf::client::send_drawinfo {
1686	my ($self, $text, $flags) = @_;	2487	my ($self, $text, $flags) = @_;
1687		2488
1688	utf8::encode $text;	2489	utf8::encode $text;
1689	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1690	}	2491	}
1691		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
1692		2589
1693	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
1694		2591
1695	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
1696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1698		2595
1699	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
1700	reliable at some point in the future.	2597	become reliable at some point in the future.
1701		2598
1702	=cut	2599	=cut
1703		2600
1704	sub cf::client::query {	2601	sub cf::client::query {
1705	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
1713	utf8::encode $text;	2610	utf8::encode $text;
1714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1715		2612
1716	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
1717	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
1718	}	2617	}
1719		2618
1720	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
1721	on_reply => sub {	2625	on_reply => sub {
1722	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
1723		2627
1724	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
1725	# get handled first	2629	# get handled first
1726	my $queue = delete $ns->{query_queue}	2630	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2631	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2632
1729	(shift @$queue)->[1]->($msg);	2633	(shift @$queue)->[1]->($msg);
		2634	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2635
1731	push @{ $ns->{query_queue} }, @$queue;	2636	push @{ $ns->{query_queue} }, @$queue;
1732		2637
1733	if (@{ $ns->{query_queue} } == @$queue) {	2638	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2639	if (@$queue) {
…		…
1736	} else {	2641	} else {
1737	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1738	}	2643	}
1739	}	2644	}
1740	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
1741	);	2672	);
1742		2673
1743	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
1744		2675
1745	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
1786	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
1787	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
1788		2719
1789	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
1790		2721
1791	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
1792		2727
1793	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
1794		2729
1795	=pod	2730	=pod
1796		2731
1797	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
1798		2733
1799	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
1800	cf::object::player player	2738	cf::object::player
1801	cf::player peaceful	2739	player
1802	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
1803		2746
1804	=cut	2747	=cut
1805		2748
1806	for (	2749	for (
1807	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
1808	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
1809	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
1810	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
1811	) {	2756	) {
1812	no strict 'refs';	2757	no strict 'refs';
…		…
1883	=back	2828	=back
1884		2829
1885	=cut	2830	=cut
1886		2831
1887	#############################################################################	2832	#############################################################################
		2833	# the server's init and main functions
1888		2834
1889	=head2 EXTENSION DATABASE SUPPORT	2835	sub load_facedata($) {
		2836	my ($path) = @_;
1890		2837
1891	Crossfire maintains a very simple database for extension use. It can	2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1892	currently store anything that can be serialised using Storable, which
1893	excludes objects.
1894		2839
1895	The parameter C<$family> should best start with the name of the extension	2840	warn "loading facedata from $path\n";
1896	using it, it should be unique.
1897		2841
1898	=over 4	2842	my $facedata;
		2843	0 < aio_load $path, $facedata
		2844	or die "$path: $!";
1899		2845
1900	=item $hashref = cf::db_get $family	2846	$facedata = Coro::Storable::thaw $facedata;
1901		2847
1902	Return a hashref for use by the extension C<$family>, which can be	2848	$facedata->{version} == 2
1903	modified. After modifications, you have to call C<cf::db_dirty> or	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
1904	C<cf::db_sync>.
1905		2850
1906	=item $value = cf::db_get $family => $key	2851	# patch in the exptable
1907		2852	$facedata->{resource}{"res/exp_table"} = {
1908	Returns a single value from the database	2853	type => FT_RSRC,
1909		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1910	=item cf::db_put $family => $hashref
1911
1912	Stores the given family hashref into the database. Updates are delayed, if
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914
1915	=item cf::db_put $family => $key => $value
1916
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927
1928	=cut
1929
1930	our $DB;
1931
1932	{
1933	my $path = cf::localdir . "/database.pst";
1934
1935	sub db_load() {
1936	$DB = stat $path ? Storable::retrieve $path : { };
1937	}
1938
1939	my $pid;
1940
1941	sub db_save() {
1942	waitpid $pid, 0 if $pid;
1943	if (0 == ($pid = fork)) {
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}
1949	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});	2855	};
		2856	cf::cede_to_tick;
1961		2857
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}	2858	{
		2859	my $faces = $facedata->{faceinfo};
1966		2860
1967	sub db_get($;$) {	2861	while (my ($face, $info) = each %$faces) {
1968	@_ >= 2	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1969	? $DB->{$_[0]}{$_[1]}	2863	cf::face::set_visibility $idx, $info->{visibility};
1970	: ($DB->{$_[0]} ||= { })	2864	cf::face::set_magicmap $idx, $info->{magicmap};
1971	}	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1972		2867
1973	sub db_put($$;$) {	2868	cf::cede_to_tick;
1974	if (@_ >= 3) {
1975	$DB->{$_[0]}{$_[1]} = $_[2];
1976	} else {
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981
1982	cf::global->attach (
1983	prio => 10000,
1984	on_cleanup => sub {
1985	db_sync;
1986	},	2869	}
1987	);
1988	}
1989		2870
1990	#############################################################################	2871	while (my ($face, $info) = each %$faces) {
1991	# the server's main()	2872	next unless $info->{smooth};
		2873	my $idx = cf::face::find $face
		2874	or next;
		2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
		2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2878	} else {
		2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2880	}
1992		2881
1993	sub cfg_load {	2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
		2946	1
		2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
		2987	sub reload_resources {
		2988	warn "reloading resource files...\n";
		2989
		2990	reload_regions;
		2991	reload_facedata;
		2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
		2997	}
		2998
		2999	sub init {
		3000	reload_resources;
		3001	}
		3002
		3003	sub reload_config {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
1995	or return;	3005	or return;
1996		3006
1997	local $/;	3007	local $/;
1998	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
1999		3009
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3013	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		3014
2005	if (exists $CFG{mlockall}) {	3015	if (exists $CFG{mlockall}) {
2006	eval {	3016	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	3017	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	3018	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	3019	};
2010	warn $@ if $@;	3020	warn $@ if $@;
2011	}	3021	}
2012	}	3022	}
2013		3023
2014	sub main {	3024	sub main {
2015	# we must not ever block the main coroutine	3025	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	3026	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3028	(async {
2018	async { Event::one_event };	3029	Event::one_event;
		3030	})->prio (Coro::PRIO_MAX);
2019	};	3031	};
2020		3032
2021	cfg_load;	3033	reload_config;
2022	db_load;	3034	db_init;
2023	load_extensions;	3035	load_extensions;
		3036
		3037	$TICK_WATCHER->start;
2024	Event::loop;	3038	Event::loop;
2025	}	3039	}
2026		3040
2027	#############################################################################	3041	#############################################################################
2028	# initialisation	3042	# initialisation and cleanup
2029		3043
		3044	# install some emergency cleanup handlers
		3045	BEGIN {
		3046	for my $signal (qw(INT HUP TERM)) {
		3047	Event->signal (
		3048	reentrant => 0,
		3049	data => WF_AUTOCANCEL,
		3050	signal => $signal,
		3051	prio => 0,
		3052	cb => sub {
		3053	cf::cleanup "SIG$signal";
		3054	},
		3055	);
		3056	}
		3057	}
		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
		3097	sub emergency_save() {
		3098	my $freeze_guard = cf::freeze_mainloop;
		3099
		3100	warn "enter emergency perl save\n";
		3101
		3102	cf::sync_job {
		3103	# use a peculiar iteration method to avoid tripping on perl
		3104	# refcount bugs in for. also avoids problems with players
		3105	# and maps saved/destroyed asynchronously.
		3106	warn "begin emergency player save\n";
		3107	for my $login (keys %cf::PLAYER) {
		3108	my $pl = $cf::PLAYER{$login} or next;
		3109	$pl->valid or next;
		3110	$pl->save;
		3111	}
		3112	warn "end emergency player save\n";
		3113
		3114	warn "begin emergency map save\n";
		3115	for my $path (keys %cf::MAP) {
		3116	my $map = $cf::MAP{$path} or next;
		3117	$map->valid or next;
		3118	$map->save;
		3119	}
		3120	warn "end emergency map save\n";
		3121
		3122	warn "begin emergency database checkpoint\n";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124	warn "end emergency database checkpoint\n";
		3125	};
		3126
		3127	warn "leave emergency perl save\n";
		3128	}
		3129
		3130	sub post_cleanup {
		3131	my ($make_core) = @_;
		3132
		3133	warn Carp::longmess "post_cleanup backtrace"
		3134	if $make_core;
		3135	}
		3136
2030	sub reload() {	3137	sub do_reload_perl() {
2031	# can/must only be called in main	3138	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	3140	warn "can only reload from main coroutine";
2034	return;	3141	return;
2035	}	3142	}
2036		3143
2037	warn "reloading...";	3144	warn "reloading...";
2038		3145
2039	my $guard = freeze_mainloop;	3146	warn "entering sync_job";
		3147
		3148	cf::sync_job {
		3149	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	3150	cf::emergency_save;
		3151	cf::write_runtime; # external watchdog should not bark
2041		3152
2042	eval {	3153	warn "syncing database to disk";
		3154	BDB::db_env_txn_checkpoint $DB_ENV;
		3155
2043	# if anything goes wrong in here, we should simply crash as we already saved	3156	# if anything goes wrong in here, we should simply crash as we already saved
2044		3157
2045	# cancel all watchers	3158	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	3159	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	3160	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	3161	}
2049		3162
		3163	warn "flushing outstanding aio requests";
		3164	for (;;) {
		3165	BDB::flush;
		3166	IO::AIO::flush;
		3167	Coro::cede;
		3168	last unless IO::AIO::nreqs || BDB::nreqs;
		3169	warn "iterate...";
		3170	}
		3171
		3172	++$RELOAD;
		3173
2050	# cancel all extension coros	3174	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	3176	%EXT_CORO = ();
2053		3177
2054	# unload all extensions	3178	warn "removing commands";
2055	for (@exts) {	3179	%COMMAND = ();
		3180
		3181	warn "removing ext/exti commands";
		3182	%EXTCMD = ();
		3183	%EXTICMD = ();
		3184
		3185	warn "unloading/nuking all extensions";
		3186	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	3187	warn "... unloading $pkg";
2057	unload_extension $_;	3188
		3189	if (my $cb = $pkg->can ("unload")) {
		3190	eval {
		3191	$cb->($pkg);
		3192	1
		3193	} or warn "$pkg unloaded, but with errors: $@";
2058	}	3194	}
2059		3195
		3196	warn "... nuking $pkg";
		3197	Symbol::delete_package $pkg;
		3198	}
		3199
2060	# unload all modules loaded from $LIBDIR	3200	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	3201	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		3203
2064	warn "removing <$k>";	3204	warn "... unloading $k";
2065	delete $INC{$k};	3205	delete $INC{$k};
2066		3206
2067	$k =~ s/\.pm$//;	3207	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	3208	$k =~ s/\//::/g;
2069		3209
…		…
2072	}	3212	}
2073		3213
2074	Symbol::delete_package $k;	3214	Symbol::delete_package $k;
2075	}	3215	}
2076		3216
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	3217	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		3220
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	3221	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2090		3224
2091	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2092	# and global variables created in xs	3226	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2094		3228
2095	# reload cf.pm	3229	warn "unload completed, starting to reload now";
		3230
2096	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2097	require cf;	3232	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		3234
2100	# load config and database again	3235	warn "loading config and database again";
2101	cf::cfg_load;	3236	cf::reload_config;
2102	cf::db_load;
2103		3237
2104	# load extensions
2105	warn "load extensions";	3238	warn "loading extensions";
2106	cf::load_extensions;	3239	cf::load_extensions;
2107		3240
2108	# reattach attachments to objects	3241	warn "reattaching attachments to objects/players";
2109	warn "reattach";	3242	_global_reattach; # objects, sockets
2110	_global_reattach;	3243	warn "reattaching attachments to maps";
2111	};	3244	reattach $_ for values %MAP;
		3245	warn "reattaching attachments to players";
		3246	reattach $_ for values %PLAYER;
2112		3247
2113	if ($@) {	3248	warn "leaving sync_job";
		3249
		3250	1
		3251	} or do {
2114	warn $@;	3252	warn $@;
2115	warn "error while reloading, exiting.";	3253	warn "error while reloading, exiting.";
2116	exit 1;	3254	exit 1;
2117	}	3255	};
2118		3256
2119	warn "reloaded successfully";	3257	warn "reloaded";
2120	};	3258	};
2121		3259
2122	#############################################################################	3260	our $RELOAD_WATCHER; # used only during reload
2123		3261
2124	unless ($LINK_MAP) {	3262	sub reload_perl() {
2125	$LINK_MAP = cf::map::new;	3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
2126		3265
2127	$LINK_MAP->width (41);	3266	$RELOAD_WATCHER ||= Event->timer (
2128	$LINK_MAP->height (41);	3267	reentrant => 0,
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,	3268	after => 0,
		3269	data => WF_AUTOCANCEL,
2137	cb => sub {	3270	cb => sub {
2138	$_[0]->w->cancel;	3271	do_reload_perl;
2139		3272	undef $RELOAD_WATCHER;
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});	3273	},
2158		3274	);
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}	3275	}
2164
2165	register "<global>", __PACKAGE__;
2166		3276
2167	register_command "reload" => sub {	3277	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2169		3279
2170	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");
2172	reload;
2173	$who->message ("end of reload.");	3281	$who->message ("reloading server.");
		3282	async { reload_perl };
2174	}	3283	}
2175	};	3284	};
2176		3285
2177	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2178		3287
		3288	my $bug_warning = 0;
		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2179	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	3314	reentrant => 0,
		3315	parked => 1,
2181	prio => 0,	3316	prio => 0,
2182	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	3318	data => WF_AUTOCANCEL,
2184	cb => sub {	3319	cb => sub {
		3320	if ($Coro::current != $Coro::main) {
		3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3322	unless ++$bug_warning > 10;
		3323	return;
		3324	}
		3325
		3326	$NOW = $tick_start = Event::time;
		3327
2185	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2186	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2188		3355
		3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3358	Coro::async_pool {
		3359	write_runtime
		3360	or warn "ERROR: unable to write runtime file: $!";
		3361	};
		3362	}
		3363
		3364	# my $AFTER = Event::time;
		3365	# warn $AFTER - $NOW;#d#
		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2189	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2191		3378
2192	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2194	},	3388	},
2195	);	3389	);
2196		3390
		3391	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	3392	BDB::max_poll_time $TICK * 0.1;
2198		3393	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	3394	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	3395	fd => BDB::poll_fileno,
2201	poll => 'r',	3396	poll => 'r',
2202	prio => 5,	3397	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	3398	data => WF_AUTOCANCEL,
2209	after => 0,	3399	cb => \&BDB::poll_cb,
2210	interval => 10,	3400	);
2211	cb => sub {	3401	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	3402
2213	write_runtime	3403	BDB::set_sync_prepare {
2214	or warn "ERROR: unable to write runtime file: $!";	3404	my $status;
		3405	my $current = $Coro::current;
		3406	(
		3407	sub {
		3408	$status = $!;
		3409	$current->ready; undef $current;
		3410	},
		3411	sub {
		3412	Coro::schedule while defined $current;
		3413	$! = $status;
		3414	},
		3415	)
		3416	};
		3417
		3418	unless ($DB_ENV) {
		3419	$DB_ENV = BDB::db_env_create;
		3420
		3421	cf::sync_job {
		3422	eval {
		3423	BDB::db_env_open
		3424	$DB_ENV,
		3425	$BDBDIR,
		3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3428	0666;
		3429
		3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3431
		3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3433	$DB_ENV->set_lk_detect;
		3434	};
		3435
		3436	cf::cleanup "db_env_open(db): $@" if $@;
2215	})->();	3437	};
2216	},	3438	}
2217	);	3439	}
		3440
		3441	{
		3442	IO::AIO::min_parallel 8;
		3443
		3444	undef $Coro::AIO::WATCHER;
		3445	IO::AIO::max_poll_time $TICK * 0.1;
		3446	$AIO_POLL_WATCHER = Event->io (
		3447	reentrant => 0,
		3448	data => WF_AUTOCANCEL,
		3449	fd => IO::AIO::poll_fileno,
		3450	poll => 'r',
		3451	prio => 6,
		3452	cb => \&IO::AIO::poll_cb,
		3453	);
		3454	}
		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
		3491	}
		3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
2218		3496
2219	END { cf::emergency_save }	3497	END { cf::emergency_save }
2220		3498
2221	1	3499	1
2222		3500

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