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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.336 by root, Tue Aug 21 00:31:18 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 1.4 ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
22	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
23	use YAML::Syck ();
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
52	our %PLAYER; # all users	92	our %PLAYER; # all users
53	our %MAP; # all maps	93	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	95
56	our %EXT_CORO; # coroutines bound to extensions	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 $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
77		119
78	#############################################################################	120	#############################################################################
79		121
80	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
81		123
…		…
88	=item $cf::RUNTIME	130	=item $cf::RUNTIME
89		131
90	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
91	every server tick.	133	every server tick.
92		134
93	=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
94		138
95	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		143
98	=item $cf::NOW	144	=item $cf::NOW
99		145
100	The time of the last (current) server tick.	146	The time of the last (current) server tick.
101		147
102	=item $cf::TICK	148	=item $cf::TICK
103		149
104	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.
105		161
106	=item %cf::CFG	162	=item %cf::CFG
107		163
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		178
111	=back	179	=back
112		180
113	=cut	181	=cut
114		182
115	BEGIN {	183	BEGIN {
116	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	185	my $msg = join "", @_;
118	utf8::encode $msg;
119		186
120	$msg .= "\n"	187	$msg .= "\n"
121	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
122		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
123	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
124	};	194	};
125	}	195	}
126		196
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		204
134	# 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
135	# within the Safe compartment.	206	# within the Safe compartment.
136	for my $pkg (qw(	207	for my $pkg (qw(
137	cf::global cf::attachable	208	cf::global cf::attachable
…		…
146		217
147	$Event::DIED = sub {	218	$Event::DIED = sub {
148	warn "error in event callback: @_";	219	warn "error in event callback: @_";
149	};	220	};
150		221
151	my %ext_pkg;	222	#############################################################################
152	my @exts;
153	my @hook;
154		223
155	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
156		225
157	=over 4	226	=over 4
158		227
159	=cut	228	=item dumpval $ref
160		229
161	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	}
162		250
163	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
164		252
165	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
166		254
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
175		256
176	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
177		258
178	=cut	259	=cut
179		260
180	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
182	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
183	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
184		265
185	=item cf::lock_wait $string	266	=item cf::lock_wait $string
186		267
187	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
188		269
…		…
194	returned.	275	returned.
195		276
196	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
197	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
198		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
199	=cut	284	=cut
200		285
201	our %LOCK;	286	our %LOCK;
202		287
203	sub lock_wait($) {	288	sub lock_wait($) {
…		…
222	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
224	}	309	}
225	}	310	}
226		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
227	sub freeze_mainloop {	318	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
229		320
230	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
231	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
232	$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;
233	}	382	}
234		383
235	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
236		385
237	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		391
243	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
244		393
245	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
246		395
247	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)
248	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
249	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.
250		400
251	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
252	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
253	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
254	fast or be very important.	404	fast or be very important.
…		…
257		407
258	sub sync_job(&) {	408	sub sync_job(&) {
259	my ($job) = @_;	409	my ($job) = @_;
260		410
261	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
262	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
264		416
265	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
277		429
278	while ($busy) {	430	while ($busy) {
279	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
280	}	432	}
281		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
		440
282	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
283	} else {	442	} else {
284	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
285		444
286	$job->()	445	$job->()
287	}	446	}
288	}	447	}
289		448
290	=item $coro = cf::async_ext { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
291		450
292	Like async, but this coro is automcatially being canceled when the	451	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	452	extension calling this is being unloaded.
294		453
295	=cut	454	=cut
296		455
297	sub async_ext(&) {	456	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
306		465
307	$coro	466	$coro
308	}	467	}
309		468
310	sub write_runtime {	469	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		470
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
314	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.
315		475
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		477
320	aio_fsync $fh	478	sub fork_call(&@) {
321	and return;	479	my ($cb, @args) = @_;
322		480
323	close $fh	481	# we seemingly have to make a local copy of the whole thing,
324	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
325		484
326	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
327	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
328		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	};
329	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 });
330	}	618	}
331		619
332	=back	620	=back
333		621
334	=cut	622	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		623
456	#############################################################################	624	#############################################################################
457		625
458	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
459		627
…		…
461	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")
462	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
463		631
464	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>
465	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
466	crossfire+).	634	Crossfire TRT).
467		635
468	=over 4	636	=over 4
469		637
470	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
471		639
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	754	our @CB_MAP = ();
587		755
588	my %attachment;	756	my %attachment;
589		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
590	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
592		766
593	use sort 'stable';	767	use sort 'stable';
594		768
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
629		803
630	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		808
635	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	810	my $pkg = shift @arg;
637		811
638	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
668	}	842	}
669		843
670	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
671	} else {	845	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	847	}
674		848
675	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
676	}	850	}
677		851
…		…
679	if (ref $_[0]) {	853	if (ref $_[0]) {
680	_object_attach @_;	854	_object_attach @_;
681	} else {	855	} else {
682	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
683	}	857	}
		858	_recalc_want;
684	};	859	};
685		860
686	# all those should be optimised	861	# all those should be optimised
687	sub cf::attachable::detach {	862	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
692	reattach ($obj);	867	reattach ($obj);
693	} else {	868	} else {
694	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
695	}	870	}
		871	_recalc_want;
696	};	872	};
697		873
698	sub cf::attachable::attached {	874	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
700		876
…		…
715	";	891	";
716	die if $@;	892	die if $@;
717	}	893	}
718		894
719	our $override;	895	our $override;
720	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?
721		897
722	sub override {	898	sub override {
723	$override = 1;	899	$override = 1;
724	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
725	}	901	}
726		902
727	sub do_invoke {	903	sub do_invoke {
728	my $event = shift;	904	my $event = shift;
729	my $callbacks = shift;	905	my $callbacks = shift;
730		906
731	@invoke_results = ();	907	@INVOKE_RESULTS = ();
732		908
733	local $override;	909	local $override;
734		910
735	for (@$callbacks) {	911	for (@$callbacks) {
736	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
753		929
754	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
755		931
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		935
760	=back	936	=back
761		937
762	=cut	938	=cut
763		939
764	#############################################################################	940	#############################################################################
765	# 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	}
766		953
767	sub reattach {	954	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		959
771	my $registry = $obj->registry;	960	my $registry = $obj->registry;
772		961
773	@$registry = ();	962	@$registry = ();
774		963
…		…
821	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
822		1011
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1016	close $fh;
828		1017
829	if (@$objs) {	1018	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	1024	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
837	}	1026	}
838	} else {	1027	} else {
839	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
871	or return;	1060	or return;
872	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1062	}
874		1063
875	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
877	return ($data, $av);	1066	return ($data, $av);
878	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
879		1074
880	#############################################################################	1075	#############################################################################
881	# command handling &c	1076	# command handling &c
882		1077
883	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1092	}
898		1093
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1095
901	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.
902		1101
903	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
904	called.	1103	called.
905		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
906	=cut	1116	=cut
907		1117
908	sub register_extcmd {	1118	sub register_extcmd {
909	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
910		1120
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
915	}	1128	}
916		1129
917	cf::player->attach (	1130	cf::player->attach (
918	on_command => sub {	1131	on_command => sub {
919	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1141	cf::override;
929	},	1142	},
930	on_extcmd => sub {	1143	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
932		1145
933	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1147
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
938	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
939	}	1158	if $reply;
940	}	1159	}
941	} else {	1160	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1162	}
944		1163
945	cf::override;	1164	cf::override;
946	},	1165	},
947	);	1166	);
948		1167
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
1026	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1173	next unless -r $path;
1028	eval {	1174
1029	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
1030	1	1232	}
1031	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
1032	}	1238	};
1033	}	1239	}
1034		1240
1035	#############################################################################	1241	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1242
1038	*cf::mapsupport::on_clean = sub {	1243	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1244
1073	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
1074		1246
1075	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
1076		1248
1077	=cut	1249	=cut
1078		1250
1079	package cf::player;	1251	package cf::player;
1080		1252
		1253	use Coro::AIO;
		1254
1081	=head3 cf::player	1255	=head3 cf::player
1082		1256
1083	=over 4	1257	=over 4
1084		1258
1085	=item cf::player::find $login	1259	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
1088		1262
1089	=cut	1263	=cut
1090		1264
1091	sub playerdir($) {	1265	sub playerdir($) {
1092	cf::localdir	1266	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1268	}
1098		1269
1099	sub path($) {	1270	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1272
1102	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
1103	}	1274	}
1104		1275
1105	sub find_active($) {	1276	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
1110		1281
1111	sub exists($) {	1282	sub exists($) {
1112	my ($login) = @_;	1283	my ($login) = @_;
1113		1284
1114	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
1116	}	1287	}
1117		1288
1118	sub find($) {	1289	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1291	my $login = $_[0];
1121		1292
1122	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
1123		1294
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
		1303	my $pl = load_pl path $login
		1304	or return;
		1305	$cf::PLAYER{$login} = $pl
		1306	}
1125	};	1307	}
1126	}	1308	}
1127		1309
1128	sub save($) {	1310	sub save($) {
1129	my ($pl) = @_;	1311	my ($pl) = @_;
1130		1312
…		…
1132		1314
1133	my $path = path $pl;	1315	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1316	my $guard = cf::lock_acquire "user_save:$path";
1135		1317
1136	return if $pl->{deny_save};	1318	return if $pl->{deny_save};
		1319
		1320	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1321	$pl->{last_save} = $cf::RUNTIME;
1138		1322
1139	Coro::cede;
1140	$pl->save_pl ($path);	1323	$pl->save_pl ($path);
1141	Coro::cede;	1324	Coro::cede;
1142	}	1325	}
1143		1326
1144	sub new($) {	1327	sub new($) {
…		…
1152	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1153		1336
1154	$self	1337	$self
1155	}	1338	}
1156		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
		1350	=item $pl->quit_character
		1351
		1352	Nukes the player without looking back. If logged in, the connection will
		1353	be destroyed. May block for a long time.
		1354
		1355	=cut
		1356
1157	sub quit_character {	1357	sub quit_character {
1158	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1159		1361
1160	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1161	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1162		1364
1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1368	$pl->ns->destroy if $pl->ns;
1167		1369
1168	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1372	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1374	$pl->destroy;
1173		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1174	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
		1396	}
		1397
		1398	=item cf::player::list_logins
		1399
		1400	Returns am arrayref of all valid playernames in the system, can take a
		1401	while and may block, so not sync_job-capable, ever.
		1402
		1403	=cut
		1404
		1405	sub list_logins {
		1406	my $dirs = aio_readdir $PLAYERDIR
		1407	or return [];
		1408
		1409	my @logins;
		1410
		1411	for my $login (@$dirs) {
		1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1413	aio_read $fh, 0, 512, my $buf, 0 or next;
		1414	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1415
		1416	utf8::decode $login;
		1417	push @logins, $login;
1175	};	1418	}
1176	}
1177		1419
		1420	\@logins
		1421	}
		1422
		1423	=item $player->maps
		1424
		1425	Returns an arrayref of map paths that are private for this
		1426	player. May block.
		1427
		1428	=cut
		1429
		1430	sub maps($) {
		1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
		1435	my $files = aio_readdir playerdir $pl
		1436	or return;
		1437
		1438	my @paths;
		1439
		1440	for (@$files) {
		1441	utf8::decode $_;
		1442	next if /\.(?:pl|pst)$/;
		1443	next unless /^$PATH_SEP/o;
		1444
		1445	push @paths, cf::map::normalise "~$pl/$_";
		1446	}
		1447
		1448	\@paths
		1449	}
		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1179		1502
1180	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1181		1504
1182	=cut	1505	=cut
1183		1506
1184	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1185	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1186		1509
1187	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1188
1189	$self->send ("ext " . cf::to_json \%msg);
1190	}	1511	}
1191		1512
1192	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1193		1553
1194	=back	1554	=back
1195
1196		1555
1197	=head3 cf::map	1556	=head3 cf::map
1198		1557
1199	=over 4	1558	=over 4
1200		1559
…		…
1203	package cf::map;	1562	package cf::map;
1204		1563
1205	use Fcntl;	1564	use Fcntl;
1206	use Coro::AIO;	1565	use Coro::AIO;
1207		1566
		1567	use overload
		1568	'""' => \&as_string,
		1569	fallback => 1;
		1570
1208	our $MAX_RESET = 3600;	1571	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1572	our $DEFAULT_RESET = 3000;
1210		1573
1211	sub generate_random_map {	1574	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1575	my ($self, $rmp) = @_;
1213
1214	# mit "rum" bekleckern, nicht	1576	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1577	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1581	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1582	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region})	1588	(cf::region::find $rmp->{region}), $rmp->{custom}
		1589	)
		1590	}
		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
		1600	sub register {
		1601	my (undef, $regex, $prio) = @_;
		1602	my $pkg = caller;
		1603
		1604	no strict;
		1605	push @{"$pkg\::ISA"}, __PACKAGE__;
		1606
		1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1608	}
		1609
		1610	# also paths starting with '/'
		1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1612
		1613	sub thawer_merge {
		1614	my ($self, $merge) = @_;
		1615
		1616	# we have to keep some variables in memory intact
		1617	local $self->{path};
		1618	local $self->{load_path};
		1619
		1620	$self->SUPER::thawer_merge ($merge);
		1621	}
		1622
		1623	sub normalise {
		1624	my ($path, $base) = @_;
		1625
		1626	$path = "$path"; # make sure its a string
		1627
		1628	$path =~ s/\.map$//;
		1629
		1630	# map plan:
		1631	#
		1632	# /! non-realised random map exit (special hack!)
		1633	# {... are special paths that are not being touched
		1634	# ?xxx/... are special absolute paths
		1635	# ?random/... random maps
		1636	# /... normal maps
		1637	# ~user/... per-player map of a specific user
		1638
		1639	$path =~ s/$PATH_SEP/\//go;
		1640
		1641	# treat it as relative path if it starts with
		1642	# something that looks reasonable
		1643	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1644	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1645
		1646	$base =~ s{[^/]+/?$}{};
		1647	$path = "$base/$path";
		1648	}
		1649
		1650	for ($path) {
		1651	redo if s{//}{/};
		1652	redo if s{/\.?/}{/};
		1653	redo if s{/[^/]+/\.\./}{/};
		1654	}
		1655
		1656	$path
		1657	}
		1658
		1659	sub new_from_path {
		1660	my (undef, $path, $base) = @_;
		1661
		1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1663
		1664	$path = normalise $path, $base;
		1665
		1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1668	my $self = bless cf::map::new, $pkg;
		1669	$self->{path} = $path; $self->path ($path);
		1670	$self->init; # pass $1 etc.
		1671	return $self;
		1672	}
		1673	}
		1674
		1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1676	()
		1677	}
		1678
		1679	sub init {
		1680	my ($self) = @_;
		1681
		1682	$self
		1683	}
		1684
		1685	sub as_string {
		1686	my ($self) = @_;
		1687
		1688	"$self->{path}"
		1689	}
		1690
		1691	# the displayed name, this is a one way mapping
		1692	sub visible_name {
		1693	&as_string
		1694	}
		1695
		1696	# the original (read-only) location
		1697	sub load_path {
		1698	my ($self) = @_;
		1699
		1700	"$MAPDIR/$self->{path}.map"
		1701	}
		1702
		1703	# the temporary/swap location
		1704	sub save_path {
		1705	my ($self) = @_;
		1706
		1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1708	"$TMPDIR/$path.map"
		1709	}
		1710
		1711	# the unique path, undef == no special unique path
		1712	sub uniq_path {
		1713	my ($self) = @_;
		1714
		1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1716	"$UNIQUEDIR/$path"
1228	}	1717	}
1229		1718
1230	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1231	# all maps in C++...	1720	# all maps in C++...
1232	sub change_all_map_light {	1721	sub change_all_map_light {
…		…
1234		1723
1235	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1236	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1237	}	1726	}
1238		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
		1736	sub unlink_save {
		1737	my ($self) = @_;
		1738
		1739	utf8::encode (my $save = $self->save_path);
		1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1742	}
		1743
1239	sub try_load_header($) {	1744	sub load_header_from($) {
1240	my ($path) = @_;	1745	my ($self, $path) = @_;
1241		1746
1242	utf8::encode $path;	1747	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1748	#aio_open $path, O_RDONLY, 0
		1749	# or return;
		1750
		1751	$self->_load_header ($path)
1244	or return;	1752	or return;
1245		1753
1246	my $map = cf::map::new	1754	$self->{load_path} = $path;
		1755
		1756	1
		1757	}
		1758
		1759	sub load_header_orig {
		1760	my ($self) = @_;
		1761
		1762	$self->load_header_from ($self->load_path)
		1763	}
		1764
		1765	sub load_header_temp {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
		1788	}
		1789
		1790	sub load_header {
		1791	my ($self) = @_;
		1792
		1793	if ($self->load_header_temp) {
		1794	$self->prepare_temp;
		1795	} else {
		1796	$self->load_header_orig
1247	or return;	1797	or return;
		1798	$self->prepare_orig;
		1799	}
1248		1800
1249	# for better error messages only, will be overwritten	1801	$self->{deny_reset} = 1
1250	$map->path ($path);	1802	if $self->no_reset;
1251		1803
1252	$map->load_header ($path)	1804	$self->default_region (cf::region::find_by_path $self->{path})
1253	or return;	1805	unless $self->default_region;
1254		1806
1255	$map->{load_path} = $path;	1807	1
1256
1257	$map
1258	}	1808	}
1259		1809
1260	sub find;	1810	sub find;
1261	sub find {	1811	sub find {
1262	my ($path, $origin) = @_;	1812	my ($path, $origin) = @_;
1263		1813
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1814	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1815
1269	cf::lock_wait "map_find:$key";	1816	cf::lock_wait "map_find:$path";
1270		1817
1271	$cf::MAP{$key} || do {	1818	$cf::MAP{$path} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1819	my $guard = cf::lock_acquire "map_find:$path";
1273		1820	my $map = new_from_path cf::map $path
1274	# do it the slow way
1275	my $map = try_load_header $path->save_path;
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1821	or return;
1293		1822
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1306		1824
1307	Coro::cede;	1825	$map->load_header
		1826	or return;
1308		1827
1309	if ($map->should_reset) {	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
		1830	#$cf::WAIT_FOR_TICK->wait;
1310	$map->reset;	1831	$map->reset;
1311	undef $guard;	1832	undef $guard;
1312	$map = find $path	1833	return find $path;
1313	or return;
1314	}	1834	}
1315		1835
1316	$cf::MAP{$key} = $map	1836	$cf::MAP{$path} = $map
1317	}	1837	}
1318	}	1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
1319		1842
1320	sub load {	1843	sub load {
1321	my ($self) = @_;	1844	my ($self) = @_;
1322		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
1323	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1851	my $guard = cf::lock_acquire "map_load:$path";
1325		1852
1326	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1327		1854
1328	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1329		1856
1330	$self->alloc;	1857	$self->alloc;
		1858
		1859	$self->pre_load;
		1860	Coro::cede;
		1861
1331	$self->load_objects ($self->{load_path}, 1)	1862	$self->_load_objects ($self->{load_path}, 1)
1332	or return;	1863	or return;
1333		1864
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1335	if delete $self->{load_original};	1866	if delete $self->{load_original};
1336		1867
1337	if (my $uniq = $path->uniq_path) {	1868	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	1869	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	1870	if (aio_open $uniq, O_RDONLY, 0) {
1340	$self->clear_unique_items;	1871	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	1872	$self->_load_objects ($uniq, 0);
1342	}	1873	}
1343	}	1874	}
1344		1875
1345	Coro::cede;	1876	Coro::cede;
1346
1347	# now do the right thing for maps	1877	# now do the right thing for maps
1348	$self->link_multipart_objects;	1878	$self->link_multipart_objects;
1349
1350	if ($self->{path}->is_style_map) {
1351	$self->{deny_save} = 1;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;
1357	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1359	unless $self->difficulty;	1880	unless $self->difficulty;
		1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1360	$self->activate;	1890	$self->activate;
1361	}	1891	}
1362		1892
1363	Coro::cede;	1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
1364		1895
1365	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
		1900	}
		1901
		1902	sub customise_for {
		1903	my ($self, $ob) = @_;
		1904
		1905	return find "~" . $ob->name . "/" . $self->{path}
		1906	if $self->per_player;
		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
		1911	$self
		1912	}
		1913
		1914	# find and load all maps in the 3x3 area around a map
		1915	sub load_neighbours {
		1916	my ($map) = @_;
		1917
		1918	my @neigh; # diagonal neighbours
		1919
		1920	for (0 .. 3) {
		1921	my $neigh = $map->tile_path ($_)
		1922	or next;
		1923	$neigh = find $neigh, $map
		1924	or next;
		1925	$neigh->load;
		1926
		1927	push @neigh,
		1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1930	}
		1931
		1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
		1934	my $neigh = find $path, $origin
		1935	or next;
		1936	$neigh->load;
		1937	}
1366	}	1938	}
1367		1939
1368	sub find_sync {	1940	sub find_sync {
1369	my ($path, $origin) = @_;	1941	my ($path, $origin) = @_;
1370		1942
1371	cf::sync_job { cf::map::find $path, $origin }	1943	cf::sync_job { find $path, $origin }
1372	}	1944	}
1373		1945
1374	sub do_load_sync {	1946	sub do_load_sync {
1375	my ($map) = @_;	1947	my ($map) = @_;
1376		1948
1377	cf::sync_job { $map->load };	1949	cf::sync_job { $map->load };
1378	}	1950	}
1379		1951
		1952	our %MAP_PREFETCH;
		1953	our $MAP_PREFETCHER = undef;
		1954
		1955	sub find_async {
		1956	my ($path, $origin) = @_;
		1957
		1958	$path = normalise $path, $origin && $origin->{path};
		1959
		1960	if (my $map = $cf::MAP{$path}) {
		1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1962	}
		1963
		1964	undef $MAP_PREFETCH{$path};
		1965	$MAP_PREFETCHER ||= cf::async {
		1966	while (%MAP_PREFETCH) {
		1967	for my $path (keys %MAP_PREFETCH) {
		1968	if (my $map = find $path) {
		1969	$map->load;
		1970	}
		1971
		1972	delete $MAP_PREFETCH{$path};
		1973	}
		1974	}
		1975	undef $MAP_PREFETCHER;
		1976	};
		1977	$MAP_PREFETCHER->prio (6);
		1978
		1979	()
		1980	}
		1981
1380	sub save {	1982	sub save {
1381	my ($self) = @_;	1983	my ($self) = @_;
1382		1984
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1384		1986
1385	$self->{last_save} = $cf::RUNTIME;	1987	$self->{last_save} = $cf::RUNTIME;
1386		1988
1387	return unless $self->dirty;	1989	return unless $self->dirty;
1388		1990
1389	my $save = $self->{path}->save_path; utf8::encode $save;	1991	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1992	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		1993
1392	$self->{load_path} = $save;	1994	$self->{load_path} = $save;
1393		1995
1394	return if $self->{deny_save};	1996	return if $self->{deny_save};
1395		1997
…		…
1398	cf::async {	2000	cf::async {
1399	$_->contr->save for $self->players;	2001	$_->contr->save for $self->players;
1400	};	2002	};
1401		2003
1402	if ($uniq) {	2004	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	2007	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	2009	}
1408	}	2010	}
1409		2011
1410	sub swap_out {	2012	sub swap_out {
1411	my ($self) = @_;	2013	my ($self) = @_;
…		…
1425		2027
1426	sub reset_at {	2028	sub reset_at {
1427	my ($self) = @_;	2029	my ($self) = @_;
1428		2030
1429	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};
1431	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1432		2033
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		2036
…		…
1440	my ($self) = @_;	2041	my ($self) = @_;
1441		2042
1442	$self->reset_at <= $cf::RUNTIME	2043	$self->reset_at <= $cf::RUNTIME
1443	}	2044	}
1444		2045
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	2046	sub reset {
1467	my ($self) = @_;	2047	my ($self) = @_;
1468		2048
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		2050
1471	return if $self->players;	2051	return if $self->players;
1472	return if $self->{path}{user_rel};#d#
1473		2052
1474	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1475		2064
1476	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
		2066
		2067	$self->clear;
1477		2068
1478	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1479		2070
1480	$self->unlink_save;	2071	$self->unlink_save;
1481	$self->destroy;	2072	$self->destroy;
…		…
1484	my $nuke_counter = "aaaa";	2075	my $nuke_counter = "aaaa";
1485		2076
1486	sub nuke {	2077	sub nuke {
1487	my ($self) = @_;	2078	my ($self) = @_;
1488		2079
		2080	delete $cf::MAP{$self->path};
		2081
		2082	$self->unlink_save;
		2083
		2084	bless $self, "cf::map";
		2085	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	2086	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	2087	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2089
		2090	$cf::MAP{$self->path} = $self;
		2091
1492	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1493	}	2093	}
1494		2094
1495	sub customise_for {	2095	=item $maps = cf::map::tmp_maps
1496	my ($map, $ob) = @_;
1497		2096
1498	if ($map->per_player) {	2097	Returns an arrayref with all map paths of currently instantiated and saved
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
1500	}	2103	[
1501		2104	map {
1502	$map	2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
1503	}	2111	}
1504		2112
1505	sub emergency_save {	2113	=item $maps = cf::map::random_maps
1506	my $freeze_guard = cf::freeze_mainloop;
1507		2114
1508	warn "enter emergency perl save\n";	2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
1509		2117
1510	cf::sync_job {	2118	=cut
1511	warn "begin emergency player save\n";
1512	$_->save for values %cf::PLAYER;
1513	warn "end emergency player save\n";
1514		2119
1515	warn "begin emergency map save\n";	2120	sub random_maps() {
1516	$_->save for values %cf::MAP;	2121	[
1517	warn "end emergency map save\n";	2122	map {
1518	};	2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
		2129	}
1519		2130
1520	warn "leave emergency perl save\n";	2131	=item cf::map::unique_maps
		2132
		2133	Returns an arrayref of paths of all shared maps that have
		2134	instantiated unique items. May block.
		2135
		2136	=cut
		2137
		2138	sub unique_maps() {
		2139	[
		2140	map {
		2141	utf8::decode $_;
		2142	/\.map$/
		2143	? normalise $_
		2144	: ()
		2145	} @{ aio_readdir $UNIQUEDIR or [] }
		2146	]
1521	}	2147	}
1522		2148
1523	package cf;	2149	package cf;
1524		2150
1525	=back	2151	=back
1526		2152
		2153	=head3 cf::object
		2154
		2155	=cut
		2156
		2157	package cf::object;
		2158
		2159	=over 4
		2160
		2161	=item $ob->inv_recursive
		2162
		2163	Returns the inventory of the object _and_ their inventories, recursively.
		2164
		2165	=cut
		2166
		2167	sub inv_recursive_;
		2168	sub inv_recursive_ {
		2169	map { $_, inv_recursive_ $_->inv } @_
		2170	}
		2171
		2172	sub inv_recursive {
		2173	inv_recursive_ inv $_[0]
		2174	}
		2175
		2176	package cf;
		2177
		2178	=back
1527		2179
1528	=head3 cf::object::player	2180	=head3 cf::object::player
1529		2181
1530	=over 4	2182	=over 4
1531		2183
…		…
1545		2197
1546	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1547		2199
1548	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1549	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1550	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1551	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1552	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1553	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1554	}	2225	}
1555		2226
1556	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1557		2228
1558	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1571		2242
1572	=item $player_object->enter_link	2243	=item $player_object->enter_link
1573		2244
1574	Freezes the player and moves him/her to a special map (C<{link}>).	2245	Freezes the player and moves him/her to a special map (C<{link}>).
1575		2246
1576	The player should be reaosnably safe there for short amounts of time. You	2247	The player should be reasonably safe there for short amounts of time. You
1577	I<MUST> call C<leave_link> as soon as possible, though.	2248	I<MUST> call C<leave_link> as soon as possible, though.
1578		2249
		2250	Will never block.
		2251
1579	=item $player_object->leave_link ($map, $x, $y)	2252	=item $player_object->leave_link ($map, $x, $y)
1580		2253
1581	Moves the player out of the specila link map onto the given map. If the	2254	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	2255	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	2256	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	2257	fails, to the emergency map position.
1585		2258
1586	Might block.	2259	Might block.
1587		2260
1588	=cut	2261	=cut
		2262
		2263	sub link_map {
		2264	unless ($LINK_MAP) {
		2265	$LINK_MAP = cf::map::find "{link}"
		2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2267	$LINK_MAP->load;
		2268	}
		2269
		2270	$LINK_MAP
		2271	}
1589		2272
1590	sub cf::object::player::enter_link {	2273	sub cf::object::player::enter_link {
1591	my ($self) = @_;	2274	my ($self) = @_;
1592		2275
1593	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1594		2277
1595	return if $self->map == $LINK_MAP;	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		2279
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1599		2282
1600	$self->enter_map ($LINK_MAP, 20, 20);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	2284	}
1602		2285
1603	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1605		2290
1606	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1607		2292
1608	unless ($map) {	2293	unless ($map) {
1609	# restore original map position	2294	# restore original map position
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1626		2311
1627	$map->load;	2312	$map->load;
		2313	$map->load_neighbours;
1628		2314
1629	return unless $self->contr->active;	2315	return unless $self->contr->active;
1630	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1631	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1632	}	2320	}
1633		2321
1634	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1635	on_logout => sub {
1636	my ($pl) = @_;
1637		2323
1638	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1639	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1640	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1641	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1642	};	2328	be called at the end of this process.
1643	}
1644	},
1645	on_login => sub {
1646	my ($pl) = @_;
1647		2329
1648	# try to abort aborted map switching on player login :)
1649	# should happen only on crashes
1650	if ($pl->ob->{_link_pos}) {
1651	$pl->ob->enter_link;
1652	(async {
1653	# we need this sleep as the login has a concurrent enter_exit running
1654	# and this sleep increases chances of the player not ending up in scorn
1655	$pl->ob->reply (undef,
1656	"There was an internal problem at your last logout, "
1657	. "the server will try to bring you to your intended destination in a second.",
1658	cf::NDI_RED);
1659	Coro::Timer::sleep 1;
1660	$pl->ob->leave_link;
1661	})->prio (2);
1662	}
1663	},
1664	);
1665
1666	=item $player_object->goto ($path, $x, $y)
1667
1668	=cut	2330	=cut
		2331
		2332	our $GOTOGEN;
1669		2333
1670	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1671	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
		2336
		2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1672		2339
1673	$self->enter_link;	2340	$self->enter_link;
1674		2341
1675	(async {	2342	(async {
1676	$path = new cf::path $path;	2343	my $map = eval {
1677
1678	my $map = cf::map::find $path->as_string;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1679	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
1680		2348	$map = $check->($map) if $check && $map;
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	2349	} else {
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
1685		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1686	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1687	})->prio (1);	2367	})->prio (1);
1688	}	2368	}
1689		2369
1690	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1691		2371
…		…
1693		2373
1694	sub parse_random_map_params {	2374	sub parse_random_map_params {
1695	my ($spec) = @_;	2375	my ($spec) = @_;
1696		2376
1697	my $rmp = { # defaults	2377	my $rmp = { # defaults
1698	xsize => 10,	2378	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	2379	ysize => (cf::rndm 15, 40),
		2380	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2381	#layout => string,
1700	};	2382	};
1701		2383
1702	for (split /\n/, $spec) {	2384	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	2385	my ($k, $v) = split /\s+/, $_, 2;
1704		2386
…		…
1708	$rmp	2390	$rmp
1709	}	2391	}
1710		2392
1711	sub prepare_random_map {	2393	sub prepare_random_map {
1712	my ($exit) = @_;	2394	my ($exit) = @_;
		2395
		2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		2397
1714	# all this does is basically replace the /! path by	2398	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	2399	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	2400	# that depends on the exit object
1717		2401
1718	my $rmp = parse_random_map_params $exit->msg;	2402	my $rmp = parse_random_map_params $exit->msg;
1719		2403
1720	if ($exit->map) {	2404	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	2405	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	2406	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	2407	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	2408	$rmp->{origin_y} = $exit->y;
1725	}	2409	}
1726		2410
1727	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1728		2412
1729	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
		2415	my $meta = "$RANDOMDIR/$md5.meta";
1731		2416
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
		2419	undef $fh;
		2420	aio_rename "$meta~", $meta;
1734		2421
1735	$exit->slaying ("?random/$md5");	2422	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	2423	$exit->msg (undef);
1737	}	2424	}
1738	}	2425	}
…		…
1740	sub cf::object::player::enter_exit {	2427	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2428	my ($self, $exit) = @_;
1742		2429
1743	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1744		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
1745	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1746		2448
1747	(async {	2449	(async {
1748	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	2451	unless (eval {
1750	prepare_random_map $exit	2452	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		2453
1756	1;	2454	1;
1757	}) {	2455	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	2458	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2460
1763	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	2462	$self->leave_link;
1765	}	2463	}
1766	})->prio (1);	2464	})->prio (1);
…		…
1779		2477
1780	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1782		2480
1783	utf8::encode $text;	2481	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2483	}
1786		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1787		2583
1788	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1789		2585
1790	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1791	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1792	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1793		2589
1794	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1795	reliable at some point in the future.	2591	become reliable at some point in the future.
1796		2592
1797	=cut	2593	=cut
1798		2594
1799	sub cf::client::query {	2595	sub cf::client::query {
1800	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1808	utf8::encode $text;	2604	utf8::encode $text;
1809	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1810		2606
1811	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1812	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1813	}	2611	}
1814		2612
1815	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1816	on_reply => sub {	2619	on_reply => sub {
1817	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1818		2621
1819	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1820	# get handled first	2623	# get handled first
1821	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2626
1824	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2629
1826	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1827		2631
1828	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2633	if (@$queue) {
…		…
1831	} else {	2635	} else {
1832	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1833	}	2637	}
1834	}	2638	}
1835	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1836	);	2663	);
1837		2664
1838	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1839		2666
1840	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
1881	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
1882	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
1883		2710
1884	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
1885		2712
1886	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
1887		2718
1888	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
1889		2720
1890	=pod	2721	=pod
1891		2722
1892	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
1893		2724
1894	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
1895	cf::object::player player	2729	cf::object::player
1896	cf::player peaceful	2730	player
1897	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
1898		2737
1899	=cut	2738	=cut
1900		2739
1901	for (	2740	for (
1902	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
1903	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
1904	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
1905	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
1906	) {	2746	) {
1907	no strict 'refs';	2747	no strict 'refs';
…		…
1978	=back	2818	=back
1979		2819
1980	=cut	2820	=cut
1981		2821
1982	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
1983		2824
1984	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
1985		2827
1986	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
1987	currently store anything that can be serialised using Storable, which
1988	excludes objects.
1989		2829
1990	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
1991	using it, it should be unique.
1992		2831
1993	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
1994		2835
1995	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
1996		2837
1997	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
1998	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
1999	C<cf::db_sync>.
2000		2840
2001	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
2002		2842	$facedata->{resource}{"res/exp_table"} = {
2003	Returns a single value from the database	2843	type => FT_RSRC,
2004		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009
2010	=item cf::db_put $family => $key => $value
2011
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022
2023	=cut
2024
2025	our $DB;
2026
2027	{
2028	my $path = cf::localdir . "/database.pst";
2029
2030	sub db_load() {
2031	$DB = stat $path ? Storable::retrieve $path : { };
2032	}
2033
2034	my $pid;
2035
2036	sub db_save() {
2037	waitpid $pid, 0 if $pid;
2038	if (0 == ($pid = fork)) {
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});	2845	};
		2846	cf::cede_to_tick;
2056		2847
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
2061		2850
2062	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
2063	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2064	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
2065	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
2066	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2067		2857
2068	sub db_put($$;$) {	2858	cf::cede_to_tick;
2069	if (@_ >= 3) {
2070	$DB->{$_[0]}{$_[1]} = $_[2];
2071	} else {
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076
2077	cf::global->attach (
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	2859	}
2082	);
2083	}
2084		2860
2085	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
2086	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	}
		2908
		2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2910	cf::face::set_type $idx, $info->{type};
		2911
		2912	cf::cede_to_tick;
		2913	}
		2914
		2915	if ($soundconf) {
		2916	$soundconf = $enc->decode (delete $soundconf->{data});
		2917
		2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2919	my $sound = $soundconf->{compat}[$_]
		2920	or next;
		2921
		2922	my $face = cf::face::find "sound/$sound->[1]";
		2923	cf::sound::set $sound->[0] => $face;
		2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2925	}
		2926
		2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2928	my $face = cf::face::find "sound/$v";
		2929	cf::sound::set $k => $face;
		2930	}
		2931	}
		2932	}
		2933
		2934	1
		2935	}
		2936
		2937	register_exticmd fx_want => sub {
		2938	my ($ns, $want) = @_;
		2939
		2940	while (my ($k, $v) = each %$want) {
		2941	$ns->fx_want ($k, $v);
		2942	}
		2943	};
		2944
		2945	sub reload_regions {
		2946	load_resource_file "$MAPDIR/regions"
		2947	or die "unable to load regions file\n";
		2948
		2949	for (cf::region::list) {
		2950	$_->{match} = qr/$_->{match}/
		2951	if exists $_->{match};
		2952	}
		2953	}
		2954
		2955	sub reload_facedata {
		2956	load_facedata "$DATADIR/facedata"
		2957	or die "unable to load facedata\n";
		2958	}
		2959
		2960	sub reload_archetypes {
		2961	load_resource_file "$DATADIR/archetypes"
		2962	or die "unable to load archetypes\n";
		2963	#d# NEED to laod twice to resolve forward references
		2964	# this really needs to be done in an extra post-pass
		2965	# (which needs to be synchronous, so solve it differently)
		2966	load_resource_file "$DATADIR/archetypes"
		2967	or die "unable to load archetypes\n";
		2968	}
		2969
		2970	sub reload_treasures {
		2971	load_resource_file "$DATADIR/treasures"
		2972	or die "unable to load treasurelists\n";
		2973	}
		2974
		2975	sub reload_resources {
		2976	warn "reloading resource files...\n";
		2977
		2978	reload_regions;
		2979	reload_facedata;
		2980	#reload_archetypes;#d#
		2981	reload_archetypes;
		2982	reload_treasures;
		2983
		2984	warn "finished reloading resource files\n";
		2985	}
		2986
		2987	sub init {
		2988	reload_resources;
		2989	}
2087		2990
2088	sub cfg_load {	2991	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2992	open my $fh, "<:utf8", "$CONFDIR/config"
2090	or return;	2993	or return;
2091		2994
2092	local $/;	2995	local $/;
2093	*CFG = YAML::Syck::Load <$fh>;	2996	*CFG = YAML::Syck::Load <$fh>;
2094		2997
…		…
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3000	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3001	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		3002
2100	if (exists $CFG{mlockall}) {	3003	if (exists $CFG{mlockall}) {
2101	eval {	3004	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	3005	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	3006	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	3007	};
2105	warn $@ if $@;	3008	warn $@ if $@;
2106	}	3009	}
2107	}	3010	}
2108		3011
2109	sub main {	3012	sub main {
2110	# we must not ever block the main coroutine	3013	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	3014	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3015	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3016	(async {
2113	async { Event::one_event };	3017	Event::one_event;
		3018	})->prio (Coro::PRIO_MAX);
2114	};	3019	};
2115		3020
2116	cfg_load;	3021	cfg_load;
2117	db_load;	3022	db_init;
2118	load_extensions;	3023	load_extensions;
		3024
		3025	$TICK_WATCHER->start;
2119	Event::loop;	3026	Event::loop;
2120	}	3027	}
2121		3028
2122	#############################################################################	3029	#############################################################################
2123	# initialisation	3030	# initialisation and cleanup
2124		3031
		3032	# install some emergency cleanup handlers
		3033	BEGIN {
		3034	for my $signal (qw(INT HUP TERM)) {
		3035	Event->signal (
		3036	reentrant => 0,
		3037	data => WF_AUTOCANCEL,
		3038	signal => $signal,
		3039	prio => 0,
		3040	cb => sub {
		3041	cf::cleanup "SIG$signal";
		3042	},
		3043	);
		3044	}
		3045	}
		3046
		3047	sub write_runtime {
		3048	my $runtime = "$LOCALDIR/runtime";
		3049
		3050	# first touch the runtime file to show we are still running:
		3051	# the fsync below can take a very very long time.
		3052
		3053	IO::AIO::aio_utime $runtime, undef, undef;
		3054
		3055	my $guard = cf::lock_acquire "write_runtime";
		3056
		3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3058	or return;
		3059
		3060	my $value = $cf::RUNTIME + 90 + 10;
		3061	# 10 is the runtime save interval, for a monotonic clock
		3062	# 60 allows for the watchdog to kill the server.
		3063
		3064	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3065	and return;
		3066
		3067	# always fsync - this file is important
		3068	aio_fsync $fh
		3069	and return;
		3070
		3071	# touch it again to show we are up-to-date
		3072	aio_utime $fh, undef, undef;
		3073
		3074	close $fh
		3075	or return;
		3076
		3077	aio_rename "$runtime~", $runtime
		3078	and return;
		3079
		3080	warn "runtime file written.\n";
		3081
		3082	1
		3083	}
		3084
		3085	sub emergency_save() {
		3086	my $freeze_guard = cf::freeze_mainloop;
		3087
		3088	warn "enter emergency perl save\n";
		3089
		3090	cf::sync_job {
		3091	# use a peculiar iteration method to avoid tripping on perl
		3092	# refcount bugs in for. also avoids problems with players
		3093	# and maps saved/destroyed asynchronously.
		3094	warn "begin emergency player save\n";
		3095	for my $login (keys %cf::PLAYER) {
		3096	my $pl = $cf::PLAYER{$login} or next;
		3097	$pl->valid or next;
		3098	$pl->save;
		3099	}
		3100	warn "end emergency player save\n";
		3101
		3102	warn "begin emergency map save\n";
		3103	for my $path (keys %cf::MAP) {
		3104	my $map = $cf::MAP{$path} or next;
		3105	$map->valid or next;
		3106	$map->save;
		3107	}
		3108	warn "end emergency map save\n";
		3109
		3110	warn "begin emergency database checkpoint\n";
		3111	BDB::db_env_txn_checkpoint $DB_ENV;
		3112	warn "end emergency database checkpoint\n";
		3113	};
		3114
		3115	warn "leave emergency perl save\n";
		3116	}
		3117
		3118	sub post_cleanup {
		3119	my ($make_core) = @_;
		3120
		3121	warn Carp::longmess "post_cleanup backtrace"
		3122	if $make_core;
		3123	}
		3124
2125	sub reload() {	3125	sub do_reload_perl() {
2126	# can/must only be called in main	3126	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	3127	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	3128	warn "can only reload from main coroutine";
2129	return;	3129	return;
2130	}	3130	}
2131		3131
2132	warn "reloading...";	3132	warn "reloading...";
2133		3133
2134	my $guard = freeze_mainloop;	3134	warn "entering sync_job";
		3135
		3136	cf::sync_job {
		3137	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	3138	cf::emergency_save;
		3139	cf::write_runtime; # external watchdog should not bark
2136		3140
2137	eval {	3141	warn "syncing database to disk";
		3142	BDB::db_env_txn_checkpoint $DB_ENV;
		3143
2138	# if anything goes wrong in here, we should simply crash as we already saved	3144	# if anything goes wrong in here, we should simply crash as we already saved
2139		3145
2140	# cancel all watchers	3146	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	3147	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	3148	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	3149	}
2144		3150
		3151	warn "flushing outstanding aio requests";
		3152	for (;;) {
		3153	BDB::flush;
		3154	IO::AIO::flush;
		3155	Coro::cede;
		3156	last unless IO::AIO::nreqs || BDB::nreqs;
		3157	warn "iterate...";
		3158	}
		3159
		3160	++$RELOAD;
		3161
2145	# cancel all extension coros	3162	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	3163	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	3164	%EXT_CORO = ();
2148		3165
2149	# unload all extensions	3166	warn "removing commands";
2150	for (@exts) {	3167	%COMMAND = ();
		3168
		3169	warn "removing ext/exti commands";
		3170	%EXTCMD = ();
		3171	%EXTICMD = ();
		3172
		3173	warn "unloading/nuking all extensions";
		3174	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	3175	warn "... unloading $pkg";
2152	unload_extension $_;	3176
		3177	if (my $cb = $pkg->can ("unload")) {
		3178	eval {
		3179	$cb->($pkg);
		3180	1
		3181	} or warn "$pkg unloaded, but with errors: $@";
2153	}	3182	}
2154		3183
		3184	warn "... nuking $pkg";
		3185	Symbol::delete_package $pkg;
		3186	}
		3187
2155	# unload all modules loaded from $LIBDIR	3188	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	3189	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3190	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		3191
2159	warn "removing <$k>";	3192	warn "... unloading $k";
2160	delete $INC{$k};	3193	delete $INC{$k};
2161		3194
2162	$k =~ s/\.pm$//;	3195	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	3196	$k =~ s/\//::/g;
2164		3197
…		…
2167	}	3200	}
2168		3201
2169	Symbol::delete_package $k;	3202	Symbol::delete_package $k;
2170	}	3203	}
2171		3204
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	3205	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	3206	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		3208
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	3209	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	3210	delete $INC{"cf.pm"};
		3211	delete $INC{"cf/pod.pm"};
2185		3212
2186	# don't, removes xs symbols, too,	3213	# don't, removes xs symbols, too,
2187	# and global variables created in xs	3214	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	3215	#Symbol::delete_package __PACKAGE__;
2189		3216
2190	# reload cf.pm	3217	warn "unload completed, starting to reload now";
		3218
2191	warn "reloading cf.pm";	3219	warn "reloading cf.pm";
2192	require cf;	3220	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		3222
2195	# load config and database again	3223	warn "loading config and database again";
2196	cf::cfg_load;	3224	cf::cfg_load;
2197	cf::db_load;
2198		3225
2199	# load extensions
2200	warn "load extensions";	3226	warn "loading extensions";
2201	cf::load_extensions;	3227	cf::load_extensions;
2202		3228
2203	# reattach attachments to objects	3229	warn "reattaching attachments to objects/players";
2204	warn "reattach";	3230	_global_reattach; # objects, sockets
2205	_global_reattach;	3231	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	3232	reattach $_ for values %MAP;
2207	};	3233	warn "reattaching attachments to players";
		3234	reattach $_ for values %PLAYER;
2208		3235
2209	if ($@) {	3236	warn "leaving sync_job";
		3237
		3238	1
		3239	} or do {
2210	warn $@;	3240	warn $@;
2211	warn "error while reloading, exiting.";	3241	warn "error while reloading, exiting.";
2212	exit 1;	3242	exit 1;
2213	}	3243	};
2214		3244
2215	warn "reloaded successfully";	3245	warn "reloaded";
2216	};	3246	};
2217		3247
2218	#############################################################################	3248	our $RELOAD_WATCHER; # used only during reload
2219		3249
2220	unless ($LINK_MAP) {	3250	sub reload_perl() {
2221	$LINK_MAP = cf::map::new;	3251	# doing reload synchronously and two reloads happen back-to-back,
		3252	# coro crashes during coro_state_free->destroy here.
2222		3253
2223	$LINK_MAP->width (41);	3254	$RELOAD_WATCHER ||= Event->timer (
2224	$LINK_MAP->height (41);	3255	reentrant => 0,
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,	3256	after => 0,
		3257	data => WF_AUTOCANCEL,
2233	cb => sub {	3258	cb => sub {
2234	$_[0]->w->cancel;	3259	do_reload_perl;
2235		3260	undef $RELOAD_WATCHER;
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});	3261	},
2254		3262	);
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}	3263	}
2260
2261	register "<global>", __PACKAGE__;
2262		3264
2263	register_command "reload" => sub {	3265	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	3266	my ($who, $arg) = @_;
2265		3267
2266	if ($who->flag (FLAG_WIZ)) {	3268	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	3269	$who->message ("reloading server.");
		3270	async { reload_perl };
2270	}	3271	}
2271	};	3272	};
2272		3273
2273	unshift @INC, $LIBDIR;	3274	unshift @INC, $LIBDIR;
2274		3275
		3276	my $bug_warning = 0;
		3277
		3278	our @WAIT_FOR_TICK;
		3279	our @WAIT_FOR_TICK_BEGIN;
		3280
		3281	sub wait_for_tick {
		3282	return unless $TICK_WATCHER->is_active;
		3283	return if $Coro::current == $Coro::main;
		3284
		3285	my $signal = new Coro::Signal;
		3286	push @WAIT_FOR_TICK, $signal;
		3287	$signal->wait;
		3288	}
		3289
		3290	sub wait_for_tick_begin {
		3291	return unless $TICK_WATCHER->is_active;
		3292	return if $Coro::current == $Coro::main;
		3293
		3294	my $signal = new Coro::Signal;
		3295	push @WAIT_FOR_TICK_BEGIN, $signal;
		3296	$signal->wait;
		3297	}
		3298
		3299	my $min = 1e6;#d#
		3300	my $avg = 10;
2275	$TICK_WATCHER = Event->timer (	3301	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	3302	reentrant => 0,
		3303	parked => 1,
2277	prio => 0,	3304	prio => 0,
2278	at => $NEXT_TICK || $TICK,	3305	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	3306	data => WF_AUTOCANCEL,
2280	cb => sub {	3307	cb => sub {
		3308	if ($Coro::current != $Coro::main) {
		3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3310	unless ++$bug_warning > 10;
		3311	return;
		3312	}
		3313
		3314	$NOW = $tick_start = Event::time;
		3315
2281	cf::server_tick; # one server iteration	3316	cf::server_tick; # one server iteration
		3317
		3318	0 && sync_job {#d#
		3319	for(1..10) {
		3320	my $t = Event::time;
		3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3322	or die;
		3323
		3324	$map->width (50);
		3325	$map->height (50);
		3326	$map->alloc;
		3327	$map->_load_objects ("/tmp/x.map", 1);
		3328	my $t = Event::time - $t;
		3329
		3330	#next unless $t < 0.0013;#d#
		3331	if ($t < $min) {
		3332	$min = $t;
		3333	}
		3334	$avg = $avg * 0.99 + $t * 0.01;
		3335	}
		3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3337	exit 0;
		3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3339	};
		3340
2282	$RUNTIME += $TICK;	3341	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	3342	$NEXT_TICK += $TICK;
2284		3343
		3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3346	Coro::async_pool {
		3347	write_runtime
		3348	or warn "ERROR: unable to write runtime file: $!";
		3349	};
		3350	}
		3351
		3352	# my $AFTER = Event::time;
		3353	# warn $AFTER - $NOW;#d#
		3354
		3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3356	$sig->send;
		3357	}
		3358	while (my $sig = shift @WAIT_FOR_TICK) {
		3359	$sig->send;
		3360	}
		3361
		3362	$NOW = Event::time;
		3363
2285	# if we are delayed by four ticks or more, skip them all	3364	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2287		3366
2288	$TICK_WATCHER->at ($NEXT_TICK);	3367	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	3368	$TICK_WATCHER->start;
		3369
		3370	$LOAD = ($NOW - $tick_start) / $TICK;
		3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3372
		3373	_post_tick;
		3374
		3375
2290	},	3376	},
2291	);	3377	);
2292		3378
		3379	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	3380	BDB::max_poll_time $TICK * 0.1;
2294		3381	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	3382	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	3383	fd => BDB::poll_fileno,
2297	poll => 'r',	3384	poll => 'r',
2298	prio => 5,	3385	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	3386	data => WF_AUTOCANCEL,
2305	after => 0,	3387	cb => \&BDB::poll_cb,
2306	interval => 10,	3388	);
2307	cb => sub {	3389	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	3390
2309	write_runtime	3391	BDB::set_sync_prepare {
2310	or warn "ERROR: unable to write runtime file: $!";	3392	my $status;
		3393	my $current = $Coro::current;
		3394	(
		3395	sub {
		3396	$status = $!;
		3397	$current->ready; undef $current;
		3398	},
		3399	sub {
		3400	Coro::schedule while defined $current;
		3401	$! = $status;
		3402	},
		3403	)
		3404	};
		3405
		3406	unless ($DB_ENV) {
		3407	$DB_ENV = BDB::db_env_create;
		3408
		3409	cf::sync_job {
		3410	eval {
		3411	BDB::db_env_open
		3412	$DB_ENV,
		3413	$BDBDIR,
		3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3416	0666;
		3417
		3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3419
		3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3421	$DB_ENV->set_lk_detect;
		3422	};
		3423
		3424	cf::cleanup "db_env_open(db): $@" if $@;
2311	})->();	3425	};
2312	},	3426	}
2313	);	3427	}
		3428
		3429	{
		3430	IO::AIO::min_parallel 8;
		3431
		3432	undef $Coro::AIO::WATCHER;
		3433	IO::AIO::max_poll_time $TICK * 0.1;
		3434	$AIO_POLL_WATCHER = Event->io (
		3435	reentrant => 0,
		3436	data => WF_AUTOCANCEL,
		3437	fd => IO::AIO::poll_fileno,
		3438	poll => 'r',
		3439	prio => 6,
		3440	cb => \&IO::AIO::poll_cb,
		3441	);
		3442	}
		3443
		3444	my $_log_backtrace;
		3445
		3446	sub _log_backtrace {
		3447	my ($msg, @addr) = @_;
		3448
		3449	$msg =~ s/\n//;
		3450
		3451	# limit the # of concurrent backtraces
		3452	if ($_log_backtrace < 2) {
		3453	++$_log_backtrace;
		3454	async {
		3455	my @bt = fork_call {
		3456	@addr = map { sprintf "%x", $_ } @addr;
		3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3459	or die "addr2line: $!";
		3460
		3461	my @funcs;
		3462	my @res = <$fh>;
		3463	chomp for @res;
		3464	while (@res) {
		3465	my ($func, $line) = splice @res, 0, 2, ();
		3466	push @funcs, "[$func] $line";
		3467	}
		3468
		3469	@funcs
		3470	};
		3471
		3472	LOG llevInfo, "[ABT] $msg\n";
		3473	LOG llevInfo, "[ABT] $_\n" for @bt;
		3474	--$_log_backtrace;
		3475	};
		3476	} else {
		3477	LOG llevInfo, "[ABT] $msg\n";
		3478	LOG llevInfo, "[ABT] [suppressed]\n";
		3479	}
		3480	}
		3481
		3482	# load additional modules
		3483	use cf::pod;
2314		3484
2315	END { cf::emergency_save }	3485	END { cf::emergency_save }
2316		3486
2317	1	3487	1
2318		3488

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