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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 2007 UTC vs.
Revision 1.335 by root, Mon Aug 20 22:21:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		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, $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
…		…
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};
1137		1319
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1320	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1321	$pl->{last_save} = $cf::RUNTIME;
1140		1322
1141	$pl->save_pl ($path);	1323	$pl->save_pl ($path);
1142	Coro::cede;	1324	Coro::cede;
1143	}	1325	}
…		…
1153	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1154		1336
1155	$self	1337	$self
1156	}	1338	}
1157		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
1158	sub quit_character {	1357	sub quit_character {
1159	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1160		1361
1161	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1162	$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
1163		1364
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1368	$pl->ns->destroy if $pl->ns;
1168		1369
1169	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1372	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1374	$pl->destroy;
1174		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1175	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;
1176	};	1418	}
1177	}
1178		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
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1180		1502
1181	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1182		1504
1183	=cut	1505	=cut
1184		1506
1185	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1186	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1187		1509
1188	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1189		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1190	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1191	}	1517	}
1192		1518
1193	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1194		1559
1195	=back	1560	=back
1196
1197		1561
1198	=head3 cf::map	1562	=head3 cf::map
1199		1563
1200	=over 4	1564	=over 4
1201		1565
…		…
1204	package cf::map;	1568	package cf::map;
1205		1569
1206	use Fcntl;	1570	use Fcntl;
1207	use Coro::AIO;	1571	use Coro::AIO;
1208		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1209	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1211		1579
1212	sub generate_random_map {	1580	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1214
1215	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1583	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1229	}	1723	}
1230		1724
1231	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1232	# all maps in C++...	1726	# all maps in C++...
1233	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1235		1729
1236	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1237	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1238	}	1732	}
1239		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1240	sub try_load_header($) {	1750	sub load_header_from($) {
1241	my ($path) = @_;	1751	my ($self, $path) = @_;
1242		1752
1243	utf8::encode $path;	1753	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1245	or return;	1758	or return;
1246		1759
1247	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1248	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1249		1806
1250	# for better error messages only, will be overwritten	1807	$self->{deny_reset} = 1
1251	$map->path ($path);	1808	if $self->no_reset;
1252		1809
1253	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1254	or return;	1811	unless $self->default_region;
1255		1812
1256	$map->{load_path} = $path;	1813	1
1257
1258	$map
1259	}	1814	}
1260		1815
1261	sub find;	1816	sub find;
1262	sub find {	1817	sub find {
1263	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1264		1819
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1821
1270	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1271		1823
1272	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1274		1826	my $map = new_from_path cf::map $path
1275	# do it the slow way
1276	my $map = try_load_header $path->save_path;
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1827	or return;
1294		1828
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1307		1830
1308	Coro::cede;	1831	$map->load_header
		1832	or return;
1309		1833
1310	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1311	$map->reset;	1837	$map->reset;
1312	undef $guard;	1838	undef $guard;
1313	$map = find $path	1839	return find $path;
1314	or return;
1315	}	1840	}
1316		1841
1317	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1318	}	1843	}
1319	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1320		1848
1321	sub load {	1849	sub load {
1322	my ($self) = @_;	1850	my ($self) = @_;
1323		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1324	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1857	my $guard = cf::lock_acquire "map_load:$path";
1326		1858
1327	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1328		1860
1329	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1330		1862
1331	$self->alloc;	1863	$self->alloc;
		1864
		1865	$self->pre_load;
		1866	Coro::cede;
		1867
1332	$self->load_objects ($self->{load_path}, 1)	1868	$self->_load_objects ($self->{load_path}, 1)
1333	or return;	1869	or return;
1334		1870
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336	if delete $self->{load_original};	1872	if delete $self->{load_original};
1337		1873
1338	if (my $uniq = $path->uniq_path) {	1874	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	1875	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	1876	if (aio_open $uniq, O_RDONLY, 0) {
1341	$self->clear_unique_items;	1877	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	1878	$self->_load_objects ($uniq, 0);
1343	}	1879	}
1344	}	1880	}
1345		1881
1346	Coro::cede;	1882	Coro::cede;
1347
1348	# now do the right thing for maps	1883	# now do the right thing for maps
1349	$self->link_multipart_objects;	1884	$self->link_multipart_objects;
1350
1351	if ($self->{path}->is_style_map) {
1352	$self->{deny_save} = 1;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;
1358	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	1886	unless $self->difficulty;
		1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1361	$self->activate;	1896	$self->activate;
1362	}	1897	}
1363		1898
1364	Coro::cede;	1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
1365		1901
1366	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
		1906	}
		1907
		1908	sub customise_for {
		1909	my ($self, $ob) = @_;
		1910
		1911	return find "~" . $ob->name . "/" . $self->{path}
		1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
		1917	$self
		1918	}
		1919
		1920	# find and load all maps in the 3x3 area around a map
		1921	sub load_neighbours {
		1922	my ($map) = @_;
		1923
		1924	my @neigh; # diagonal neighbours
		1925
		1926	for (0 .. 3) {
		1927	my $neigh = $map->tile_path ($_)
		1928	or next;
		1929	$neigh = find $neigh, $map
		1930	or next;
		1931	$neigh->load;
		1932
		1933	push @neigh,
		1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1936	}
		1937
		1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
		1940	my $neigh = find $path, $origin
		1941	or next;
		1942	$neigh->load;
		1943	}
1367	}	1944	}
1368		1945
1369	sub find_sync {	1946	sub find_sync {
1370	my ($path, $origin) = @_;	1947	my ($path, $origin) = @_;
1371		1948
1372	cf::sync_job { cf::map::find $path, $origin }	1949	cf::sync_job { find $path, $origin }
1373	}	1950	}
1374		1951
1375	sub do_load_sync {	1952	sub do_load_sync {
1376	my ($map) = @_;	1953	my ($map) = @_;
1377		1954
1378	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1379	}	1956	}
1380		1957
		1958	our %MAP_PREFETCH;
		1959	our $MAP_PREFETCHER = undef;
		1960
		1961	sub find_async {
		1962	my ($path, $origin) = @_;
		1963
		1964	$path = normalise $path, $origin && $origin->{path};
		1965
		1966	if (my $map = $cf::MAP{$path}) {
		1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	undef $MAP_PREFETCH{$path};
		1971	$MAP_PREFETCHER ||= cf::async {
		1972	while (%MAP_PREFETCH) {
		1973	for my $path (keys %MAP_PREFETCH) {
		1974	if (my $map = find $path) {
		1975	$map->load;
		1976	}
		1977
		1978	delete $MAP_PREFETCH{$path};
		1979	}
		1980	}
		1981	undef $MAP_PREFETCHER;
		1982	};
		1983	$MAP_PREFETCHER->prio (6);
		1984
		1985	()
		1986	}
		1987
1381	sub save {	1988	sub save {
1382	my ($self) = @_;	1989	my ($self) = @_;
1383		1990
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	1991	my $lock = cf::lock_acquire "map_data:" . $self->path;
1385		1992
1386	$self->{last_save} = $cf::RUNTIME;	1993	$self->{last_save} = $cf::RUNTIME;
1387		1994
1388	return unless $self->dirty;	1995	return unless $self->dirty;
1389		1996
1390	my $save = $self->{path}->save_path; utf8::encode $save;	1997	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1998	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		1999
1393	$self->{load_path} = $save;	2000	$self->{load_path} = $save;
1394		2001
1395	return if $self->{deny_save};	2002	return if $self->{deny_save};
1396		2003
…		…
1399	cf::async {	2006	cf::async {
1400	$_->contr->save for $self->players;	2007	$_->contr->save for $self->players;
1401	};	2008	};
1402		2009
1403	if ($uniq) {	2010	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	2013	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2014	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	2015	}
1409	}	2016	}
1410		2017
1411	sub swap_out {	2018	sub swap_out {
1412	my ($self) = @_;	2019	my ($self) = @_;
…		…
1426		2033
1427	sub reset_at {	2034	sub reset_at {
1428	my ($self) = @_;	2035	my ($self) = @_;
1429		2036
1430	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};
1432	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1433		2039
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		2042
…		…
1441	my ($self) = @_;	2047	my ($self) = @_;
1442		2048
1443	$self->reset_at <= $cf::RUNTIME	2049	$self->reset_at <= $cf::RUNTIME
1444	}	2050	}
1445		2051
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	2052	sub reset {
1468	my ($self) = @_;	2053	my ($self) = @_;
1469		2054
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2056
1472	return if $self->players;	2057	return if $self->players;
1473	return if $self->{path}{user_rel};#d#
1474		2058
1475	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
1476		2070
1477	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
		2072
		2073	$self->clear;
1478		2074
1479	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1480		2076
1481	$self->unlink_save;	2077	$self->unlink_save;
1482	$self->destroy;	2078	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	2081	my $nuke_counter = "aaaa";
1486		2082
1487	sub nuke {	2083	sub nuke {
1488	my ($self) = @_;	2084	my ($self) = @_;
1489		2085
		2086	delete $cf::MAP{$self->path};
		2087
		2088	$self->unlink_save;
		2089
		2090	bless $self, "cf::map";
		2091	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	2092	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	2093	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2095
		2096	$cf::MAP{$self->path} = $self;
		2097
1493	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1494	}	2099	}
1495		2100
1496	sub customise_for {	2101	=item $maps = cf::map::tmp_maps
1497	my ($map, $ob) = @_;
1498		2102
1499	if ($map->per_player) {	2103	Returns an arrayref with all map paths of currently instantiated and saved
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
1501	}	2109	[
1502		2110	map {
1503	$map	2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
1504	}	2117	}
1505		2118
1506	sub emergency_save {	2119	=item $maps = cf::map::random_maps
1507	my $freeze_guard = cf::freeze_mainloop;
1508		2120
1509	warn "enter emergency perl save\n";	2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
1510		2123
1511	cf::sync_job {	2124	=cut
1512	warn "begin emergency player save\n";
1513	$_->save for values %cf::PLAYER;
1514	warn "end emergency player save\n";
1515		2125
1516	warn "begin emergency map save\n";	2126	sub random_maps() {
1517	$_->save for values %cf::MAP;	2127	[
1518	warn "end emergency map save\n";	2128	map {
1519	};	2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
1520		2136
1521	warn "leave emergency perl save\n";	2137	=item cf::map::unique_maps
		2138
		2139	Returns an arrayref of paths of all shared maps that have
		2140	instantiated unique items. May block.
		2141
		2142	=cut
		2143
		2144	sub unique_maps() {
		2145	[
		2146	map {
		2147	utf8::decode $_;
		2148	/\.map$/
		2149	? normalise $_
		2150	: ()
		2151	} @{ aio_readdir $UNIQUEDIR or [] }
		2152	]
1522	}	2153	}
1523		2154
1524	package cf;	2155	package cf;
1525		2156
1526	=back	2157	=back
1527		2158
		2159	=head3 cf::object
		2160
		2161	=cut
		2162
		2163	package cf::object;
		2164
		2165	=over 4
		2166
		2167	=item $ob->inv_recursive
		2168
		2169	Returns the inventory of the object _and_ their inventories, recursively.
		2170
		2171	=cut
		2172
		2173	sub inv_recursive_;
		2174	sub inv_recursive_ {
		2175	map { $_, inv_recursive_ $_->inv } @_
		2176	}
		2177
		2178	sub inv_recursive {
		2179	inv_recursive_ inv $_[0]
		2180	}
		2181
		2182	package cf;
		2183
		2184	=back
1528		2185
1529	=head3 cf::object::player	2186	=head3 cf::object::player
1530		2187
1531	=over 4	2188	=over 4
1532		2189
…		…
1546		2203
1547	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1548		2205
1549	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1550	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1551	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1552	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1553	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1554	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1555	}	2231	}
1556		2232
1557	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1558		2234
1559	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1572		2248
1573	=item $player_object->enter_link	2249	=item $player_object->enter_link
1574		2250
1575	Freezes the player and moves him/her to a special map (C<{link}>).	2251	Freezes the player and moves him/her to a special map (C<{link}>).
1576		2252
1577	The player should be reaosnably safe there for short amounts of time. You	2253	The player should be reasonably safe there for short amounts of time. You
1578	I<MUST> call C<leave_link> as soon as possible, though.	2254	I<MUST> call C<leave_link> as soon as possible, though.
1579		2255
		2256	Will never block.
		2257
1580	=item $player_object->leave_link ($map, $x, $y)	2258	=item $player_object->leave_link ($map, $x, $y)
1581		2259
1582	Moves the player out of the specila link map onto the given map. If the	2260	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	2261	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	2262	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	2263	fails, to the emergency map position.
1586		2264
1587	Might block.	2265	Might block.
1588		2266
1589	=cut	2267	=cut
		2268
		2269	sub link_map {
		2270	unless ($LINK_MAP) {
		2271	$LINK_MAP = cf::map::find "{link}"
		2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2273	$LINK_MAP->load;
		2274	}
		2275
		2276	$LINK_MAP
		2277	}
1590		2278
1591	sub cf::object::player::enter_link {	2279	sub cf::object::player::enter_link {
1592	my ($self) = @_;	2280	my ($self) = @_;
1593		2281
1594	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1595		2283
1596	return if $self->map == $LINK_MAP;	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		2285
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1600		2288
1601	$self->enter_map ($LINK_MAP, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	2290	}
1603		2291
1604	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1606		2296
1607	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1608		2298
1609	unless ($map) {	2299	unless ($map) {
1610	# restore original map position	2300	# restore original map position
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1627		2317
1628	$map->load;	2318	$map->load;
		2319	$map->load_neighbours;
1629		2320
1630	return unless $self->contr->active;	2321	return unless $self->contr->active;
1631	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1633	}	2326	}
1634		2327
1635	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1636	on_logout => sub {
1637	my ($pl) = @_;
1638		2329
1639	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1640	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1641	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1642	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1643	};	2334	be called at the end of this process.
1644	}
1645	},
1646	on_login => sub {
1647	my ($pl) = @_;
1648		2335
1649	# try to abort aborted map switching on player login :)
1650	# should happen only on crashes
1651	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;
1653	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);
1660	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;
1662	})->prio (2);
1663	}
1664	},
1665	);
1666
1667	=item $player_object->goto ($path, $x, $y)
1668
1669	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1670		2339
1671	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1672	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1673		2345
1674	$self->enter_link;	2346	$self->enter_link;
1675		2347
1676	(async {	2348	(async {
1677	$path = new cf::path $path;	2349	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1680	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1681		2354	$map = $check->($map) if $check && $map;
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1683	# if $map;
1684
1685	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1686		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1687	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1688	})->prio (1);	2373	})->prio (1);
1689	}	2374	}
1690		2375
1691	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1692		2377
…		…
1694		2379
1695	sub parse_random_map_params {	2380	sub parse_random_map_params {
1696	my ($spec) = @_;	2381	my ($spec) = @_;
1697		2382
1698	my $rmp = { # defaults	2383	my $rmp = { # defaults
1699	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1701	};	2388	};
1702		2389
1703	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1705		2392
…		…
1709	$rmp	2396	$rmp
1710	}	2397	}
1711		2398
1712	sub prepare_random_map {	2399	sub prepare_random_map {
1713	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1714		2403
1715	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1716	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1717	# that depends on the exit object	2406	# that depends on the exit object
1718		2407
1719	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1720		2409
1721	if ($exit->map) {	2410	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1726	}	2415	}
1727		2416
1728	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1729		2418
1730	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1731	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1732		2422
1733	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1734	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1735		2427
1736	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	2429	$exit->msg (undef);
1738	}	2430	}
1739	}	2431	}
…		…
1741	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1743		2435
1744	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1745		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1746	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1747		2454
1748	(async {	2455	(async {
1749	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1750	unless (eval {	2457	unless (eval {
1751	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1752	if $exit->slaying eq "/!";
1753
1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1756		2459
1757	1;	2460	1;
1758	}) {	2461	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1760	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1761	. "Please report this to the dungeon master",	2464	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1763		2466
1764	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	2468	$self->leave_link;
1766	}	2469	}
1767	})->prio (1);	2470	})->prio (1);
…		…
1780		2483
1781	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1782	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1783		2486
1784	utf8::encode $text;	2487	utf8::encode $text;
1785	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1786	}	2489	}
1787		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1788		2571
1789	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1790		2573
1791	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1792	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1793	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1794		2577
1795	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1796	reliable at some point in the future.	2579	become reliable at some point in the future.
1797		2580
1798	=cut	2581	=cut
1799		2582
1800	sub cf::client::query {	2583	sub cf::client::query {
1801	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
1809	utf8::encode $text;	2592	utf8::encode $text;
1810	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1811		2594
1812	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
1813	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
1814	}	2599	}
1815		2600
1816	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
1817	on_reply => sub {	2607	on_reply => sub {
1818	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
1819		2609
1820	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
1821	# get handled first	2611	# get handled first
1822	my $queue = delete $ns->{query_queue}	2612	my $queue = delete $ns->{query_queue}
1823	or return; # be conservative, not sure how that can happen, but we saw a crash here	2613	or return; # be conservative, not sure how that can happen, but we saw a crash here
1824		2614
1825	(shift @$queue)->[1]->($msg);	2615	(shift @$queue)->[1]->($msg);
		2616	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		2617
1827	push @{ $ns->{query_queue} }, @$queue;	2618	push @{ $ns->{query_queue} }, @$queue;
1828		2619
1829	if (@{ $ns->{query_queue} } == @$queue) {	2620	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	2621	if (@$queue) {
…		…
1832	} else {	2623	} else {
1833	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1834	}	2625	}
1835	}	2626	}
1836	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
1837	);	2651	);
1838		2652
1839	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
1840		2654
1841	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
1882	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
1883	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
1884		2698
1885	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
1886		2700
1887	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
1888		2706
1889	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
1890		2708
1891	=pod	2709	=pod
1892		2710
1893	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
1894		2712
1895	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
1896	cf::object::player player	2717	cf::object::player
1897	cf::player peaceful	2718	player
1898	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
1899		2725
1900	=cut	2726	=cut
1901		2727
1902	for (	2728	for (
1903	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
1904	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
1905	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
1906	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
1907	) {	2734	) {
1908	no strict 'refs';	2735	no strict 'refs';
…		…
1979	=back	2806	=back
1980		2807
1981	=cut	2808	=cut
1982		2809
1983	#############################################################################	2810	#############################################################################
		2811	# the server's init and main functions
1984		2812
1985	=head2 EXTENSION DATABASE SUPPORT	2813	sub load_facedata($) {
		2814	my ($path) = @_;
1986		2815
1987	Crossfire maintains a very simple database for extension use. It can	2816	my $enc = JSON::XS->new->utf8->canonical;
1988	currently store anything that can be serialised using Storable, which
1989	excludes objects.
1990		2817
1991	The parameter C<$family> should best start with the name of the extension	2818	warn "loading facedata from $path\n";
1992	using it, it should be unique.
1993		2819
1994	=over 4	2820	my $facedata;
		2821	0 < aio_load $path, $facedata
		2822	or die "$path: $!";
1995		2823
1996	=item $hashref = cf::db_get $family	2824	$facedata = Coro::Storable::thaw $facedata;
1997		2825
1998	Return a hashref for use by the extension C<$family>, which can be	2826	$facedata->{version} == 2
1999	modified. After modifications, you have to call C<cf::db_dirty> or	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2000	C<cf::db_sync>.
2001		2828
2002	=item $value = cf::db_get $family => $key	2829	# patch in the exptable
2003		2830	$facedata->{resource}{"res/exp_table"} = {
2004	Returns a single value from the database	2831	type => FT_RSRC,
2005		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
2006	=item cf::db_put $family => $hashref
2007
2008	Stores the given family hashref into the database. Updates are delayed, if
2009	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2010
2011	=item cf::db_put $family => $key => $value
2012
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you
2014	want the data to be synced to disk immediately, use C<cf::db_sync>.
2015
2016	=item cf::db_dirty
2017
2018	Marks the database as dirty, to be updated at a later time.
2019
2020	=item cf::db_sync
2021
2022	Immediately write the database to disk I<if it is dirty>.
2023
2024	=cut
2025
2026	our $DB;
2027
2028	{
2029	my $path = cf::localdir . "/database.pst";
2030
2031	sub db_load() {
2032	$DB = stat $path ? Storable::retrieve $path : { };
2033	}
2034
2035	my $pid;
2036
2037	sub db_save() {
2038	waitpid $pid, 0 if $pid;
2039	if (0 == ($pid = fork)) {
2040	$DB->{_meta}{version} = 1;
2041	Storable::nstore $DB, "$path~";
2042	rename "$path~", $path;
2043	cf::_exit 0 if defined $pid;
2044	}
2045	}
2046
2047	my $dirty;
2048
2049	sub db_sync() {
2050	db_save if $dirty;
2051	undef $dirty;
2052	}
2053
2054	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055	db_sync;
2056	});	2833	};
		2834	cf::cede_to_tick;
2057		2835
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}	2836	{
		2837	my $faces = $facedata->{faceinfo};
2062		2838
2063	sub db_get($;$) {	2839	while (my ($face, $info) = each %$faces) {
2064	@_ >= 2	2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2065	? $DB->{$_[0]}{$_[1]}	2841	cf::face::set_visibility $idx, $info->{visibility};
2066	: ($DB->{$_[0]} ||= { })	2842	cf::face::set_magicmap $idx, $info->{magicmap};
2067	}	2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2068		2845
2069	sub db_put($$;$) {	2846	cf::cede_to_tick;
2070	if (@_ >= 3) {
2071	$DB->{$_[0]}{$_[1]} = $_[2];
2072	} else {
2073	$DB->{$_[0]} = $_[1];
2074	}
2075	db_dirty;
2076	}
2077
2078	cf::global->attach (
2079	prio => 10000,
2080	on_cleanup => sub {
2081	db_sync;
2082	},	2847	}
2083	);
2084	}
2085		2848
2086	#############################################################################	2849	while (my ($face, $info) = each %$faces) {
2087	# the server's main()	2850	next unless $info->{smooth};
		2851	my $idx = cf::face::find $face
		2852	or next;
		2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
		2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2856	} else {
		2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2858	}
		2859
		2860	cf::cede_to_tick;
		2861	}
		2862	}
		2863
		2864	{
		2865	my $anims = $facedata->{animinfo};
		2866
		2867	while (my ($anim, $info) = each %$anims) {
		2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2869	cf::cede_to_tick;
		2870	}
		2871
		2872	cf::anim::invalidate_all; # d'oh
		2873	}
		2874
		2875	{
		2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
		2885
		2886	if ($info->{type} & 1) {
		2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
		2922	1
		2923	}
		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
		2932
		2933	sub reload_regions {
		2934	load_resource_file "$MAPDIR/regions"
		2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
		2941	}
		2942
		2943	sub reload_facedata {
		2944	load_facedata "$DATADIR/facedata"
		2945	or die "unable to load facedata\n";
		2946	}
		2947
		2948	sub reload_archetypes {
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
		2956	}
		2957
		2958	sub reload_treasures {
		2959	load_resource_file "$DATADIR/treasures"
		2960	or die "unable to load treasurelists\n";
		2961	}
		2962
		2963	sub reload_resources {
		2964	warn "reloading resource files...\n";
		2965
		2966	reload_regions;
		2967	reload_facedata;
		2968	#reload_archetypes;#d#
		2969	reload_archetypes;
		2970	reload_treasures;
		2971
		2972	warn "finished reloading resource files\n";
		2973	}
		2974
		2975	sub init {
		2976	reload_resources;
		2977	}
2088		2978
2089	sub cfg_load {	2979	sub cfg_load {
2090	open my $fh, "<:utf8", cf::confdir . "/config"	2980	open my $fh, "<:utf8", "$CONFDIR/config"
2091	or return;	2981	or return;
2092		2982
2093	local $/;	2983	local $/;
2094	*CFG = YAML::Syck::Load <$fh>;	2984	*CFG = YAML::Syck::Load <$fh>;
2095		2985
…		…
2109		2999
2110	sub main {	3000	sub main {
2111	# we must not ever block the main coroutine	3001	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	3002	local $Coro::idle = sub {
2113	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3003	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3004	(async {
2114	async { Event::one_event };	3005	Event::one_event;
		3006	})->prio (Coro::PRIO_MAX);
2115	};	3007	};
2116		3008
2117	cfg_load;	3009	cfg_load;
2118	db_load;	3010	db_init;
2119	load_extensions;	3011	load_extensions;
		3012
		3013	$TICK_WATCHER->start;
2120	Event::loop;	3014	Event::loop;
2121	}	3015	}
2122		3016
2123	#############################################################################	3017	#############################################################################
2124	# initialisation	3018	# initialisation and cleanup
2125		3019
		3020	# install some emergency cleanup handlers
		3021	BEGIN {
		3022	for my $signal (qw(INT HUP TERM)) {
		3023	Event->signal (
		3024	reentrant => 0,
		3025	data => WF_AUTOCANCEL,
		3026	signal => $signal,
		3027	prio => 0,
		3028	cb => sub {
		3029	cf::cleanup "SIG$signal";
		3030	},
		3031	);
		3032	}
		3033	}
		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
		3071	}
		3072
		3073	sub emergency_save() {
		3074	my $freeze_guard = cf::freeze_mainloop;
		3075
		3076	warn "enter emergency perl save\n";
		3077
		3078	cf::sync_job {
		3079	# use a peculiar iteration method to avoid tripping on perl
		3080	# refcount bugs in for. also avoids problems with players
		3081	# and maps saved/destroyed asynchronously.
		3082	warn "begin emergency player save\n";
		3083	for my $login (keys %cf::PLAYER) {
		3084	my $pl = $cf::PLAYER{$login} or next;
		3085	$pl->valid or next;
		3086	$pl->save;
		3087	}
		3088	warn "end emergency player save\n";
		3089
		3090	warn "begin emergency map save\n";
		3091	for my $path (keys %cf::MAP) {
		3092	my $map = $cf::MAP{$path} or next;
		3093	$map->valid or next;
		3094	$map->save;
		3095	}
		3096	warn "end emergency map save\n";
		3097
		3098	warn "begin emergency database checkpoint\n";
		3099	BDB::db_env_txn_checkpoint $DB_ENV;
		3100	warn "end emergency database checkpoint\n";
		3101	};
		3102
		3103	warn "leave emergency perl save\n";
		3104	}
		3105
		3106	sub post_cleanup {
		3107	my ($make_core) = @_;
		3108
		3109	warn Carp::longmess "post_cleanup backtrace"
		3110	if $make_core;
		3111	}
		3112
2126	sub reload() {	3113	sub do_reload_perl() {
2127	# can/must only be called in main	3114	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	3115	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	3116	warn "can only reload from main coroutine";
2130	return;	3117	return;
2131	}	3118	}
2132		3119
2133	warn "reloading...";	3120	warn "reloading...";
2134		3121
2135	my $guard = freeze_mainloop;	3122	warn "entering sync_job";
		3123
		3124	cf::sync_job {
		3125	cf::write_runtime; # external watchdog should not bark
2136	cf::emergency_save;	3126	cf::emergency_save;
		3127	cf::write_runtime; # external watchdog should not bark
2137		3128
2138	eval {	3129	warn "syncing database to disk";
		3130	BDB::db_env_txn_checkpoint $DB_ENV;
		3131
2139	# if anything goes wrong in here, we should simply crash as we already saved	3132	# if anything goes wrong in here, we should simply crash as we already saved
2140		3133
2141	# cancel all watchers	3134	warn "cancelling all WF_AUTOCANCEL watchers";
2142	for (Event::all_watchers) {	3135	for (Event::all_watchers) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	3136	$_->cancel if $_->data & WF_AUTOCANCEL;
2144	}	3137	}
2145		3138
		3139	warn "flushing outstanding aio requests";
		3140	for (;;) {
		3141	BDB::flush;
		3142	IO::AIO::flush;
		3143	Coro::cede;
		3144	last unless IO::AIO::nreqs || BDB::nreqs;
		3145	warn "iterate...";
		3146	}
		3147
		3148	++$RELOAD;
		3149
2146	# cancel all extension coros	3150	warn "cancelling all extension coros";
2147	$_->cancel for values %EXT_CORO;	3151	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();	3152	%EXT_CORO = ();
2149		3153
2150	# unload all extensions	3154	warn "removing commands";
2151	for (@exts) {	3155	%COMMAND = ();
		3156
		3157	warn "removing ext/exti commands";
		3158	%EXTCMD = ();
		3159	%EXTICMD = ();
		3160
		3161	warn "unloading/nuking all extensions";
		3162	for my $pkg (@EXTS) {
2152	warn "unloading <$_>";	3163	warn "... unloading $pkg";
2153	unload_extension $_;	3164
		3165	if (my $cb = $pkg->can ("unload")) {
		3166	eval {
		3167	$cb->($pkg);
		3168	1
		3169	} or warn "$pkg unloaded, but with errors: $@";
2154	}	3170	}
2155		3171
		3172	warn "... nuking $pkg";
		3173	Symbol::delete_package $pkg;
		3174	}
		3175
2156	# unload all modules loaded from $LIBDIR	3176	warn "unloading all perl modules loaded from $LIBDIR";
2157	while (my ($k, $v) = each %INC) {	3177	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3178	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159		3179
2160	warn "removing <$k>";	3180	warn "... unloading $k";
2161	delete $INC{$k};	3181	delete $INC{$k};
2162		3182
2163	$k =~ s/\.pm$//;	3183	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;	3184	$k =~ s/\//::/g;
2165		3185
…		…
2168	}	3188	}
2169		3189
2170	Symbol::delete_package $k;	3190	Symbol::delete_package $k;
2171	}	3191	}
2172		3192
2173	# sync database to disk
2174	cf::db_sync;
2175	IO::AIO::flush;
2176
2177	# get rid of safe::, as good as possible	3193	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	3194	Symbol::delete_package "safe::$_"
2179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2180		3196
2181	# remove register_script_function callbacks
2182	# TODO
2183
2184	# unload cf.pm "a bit"	3197	warn "unloading cf.pm \"a bit\"";
2185	delete $INC{"cf.pm"};	3198	delete $INC{"cf.pm"};
		3199	delete $INC{"cf/pod.pm"};
2186		3200
2187	# don't, removes xs symbols, too,	3201	# don't, removes xs symbols, too,
2188	# and global variables created in xs	3202	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	3203	#Symbol::delete_package __PACKAGE__;
2190		3204
2191	# reload cf.pm	3205	warn "unload completed, starting to reload now";
		3206
2192	warn "reloading cf.pm";	3207	warn "reloading cf.pm";
2193	require cf;	3208	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3209	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195		3210
2196	# load config and database again	3211	warn "loading config and database again";
2197	cf::cfg_load;	3212	cf::cfg_load;
2198	cf::db_load;
2199		3213
2200	# load extensions
2201	warn "load extensions";	3214	warn "loading extensions";
2202	cf::load_extensions;	3215	cf::load_extensions;
2203		3216
2204	# reattach attachments to objects	3217	warn "reattaching attachments to objects/players";
2205	warn "reattach";	3218	_global_reattach; # objects, sockets
2206	_global_reattach;	3219	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	3220	reattach $_ for values %MAP;
2208	};	3221	warn "reattaching attachments to players";
		3222	reattach $_ for values %PLAYER;
2209		3223
2210	if ($@) {	3224	warn "leaving sync_job";
		3225
		3226	1
		3227	} or do {
2211	warn $@;	3228	warn $@;
2212	warn "error while reloading, exiting.";	3229	warn "error while reloading, exiting.";
2213	exit 1;	3230	exit 1;
2214	}	3231	};
2215		3232
2216	warn "reloaded successfully";	3233	warn "reloaded";
2217	};	3234	};
2218		3235
2219	#############################################################################	3236	our $RELOAD_WATCHER; # used only during reload
2220		3237
2221	unless ($LINK_MAP) {	3238	sub reload_perl() {
2222	$LINK_MAP = cf::map::new;	3239	# doing reload synchronously and two reloads happen back-to-back,
		3240	# coro crashes during coro_state_free->destroy here.
2223		3241
2224	$LINK_MAP->width (41);	3242	$RELOAD_WATCHER ||= Event->timer (
2225	$LINK_MAP->height (41);	3243	reentrant => 0,
2226	$LINK_MAP->alloc;
2227	$LINK_MAP->path ("{link}");
2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231	# dirty hack because... archetypes are not yet loaded
2232	Event->timer (
2233	after => 10,	3244	after => 0,
		3245	data => WF_AUTOCANCEL,
2234	cb => sub {	3246	cb => sub {
2235	$_[0]->w->cancel;	3247	do_reload_perl;
2236		3248	undef $RELOAD_WATCHER;
2237	# provide some exits "home"
2238	my $exit = cf::object::new "exit";
2239
2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244	$LINK_MAP->insert ($exit->clone, 19, 19);
2245	$LINK_MAP->insert ($exit->clone, 19, 20);
2246	$LINK_MAP->insert ($exit->clone, 19, 21);
2247	$LINK_MAP->insert ($exit->clone, 20, 19);
2248	$LINK_MAP->insert ($exit->clone, 20, 21);
2249	$LINK_MAP->insert ($exit->clone, 21, 19);
2250	$LINK_MAP->insert ($exit->clone, 21, 20);
2251	$LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253	$exit->destroy;
2254	});	3249	},
2255		3250	);
2256	$LINK_MAP->{deny_save} = 1;
2257	$LINK_MAP->{deny_reset} = 1;
2258
2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260	}	3251	}
2261
2262	register "<global>", __PACKAGE__;
2263		3252
2264	register_command "reload" => sub {	3253	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	3254	my ($who, $arg) = @_;
2266		3255
2267	if ($who->flag (FLAG_WIZ)) {	3256	if ($who->flag (FLAG_WIZ)) {
2268	$who->message ("start of reload.");
2269	reload;
2270	$who->message ("end of reload.");	3257	$who->message ("reloading server.");
		3258	async { reload_perl };
2271	}	3259	}
2272	};	3260	};
2273		3261
2274	unshift @INC, $LIBDIR;	3262	unshift @INC, $LIBDIR;
2275		3263
		3264	my $bug_warning = 0;
		3265
		3266	our @WAIT_FOR_TICK;
		3267	our @WAIT_FOR_TICK_BEGIN;
		3268
		3269	sub wait_for_tick {
		3270	return unless $TICK_WATCHER->is_active;
		3271	return if $Coro::current == $Coro::main;
		3272
		3273	my $signal = new Coro::Signal;
		3274	push @WAIT_FOR_TICK, $signal;
		3275	$signal->wait;
		3276	}
		3277
		3278	sub wait_for_tick_begin {
		3279	return unless $TICK_WATCHER->is_active;
		3280	return if $Coro::current == $Coro::main;
		3281
		3282	my $signal = new Coro::Signal;
		3283	push @WAIT_FOR_TICK_BEGIN, $signal;
		3284	$signal->wait;
		3285	}
		3286
		3287	my $min = 1e6;#d#
		3288	my $avg = 10;
2276	$TICK_WATCHER = Event->timer (	3289	$TICK_WATCHER = Event->timer (
2277	reentrant => 0,	3290	reentrant => 0,
		3291	parked => 1,
2278	prio => 0,	3292	prio => 0,
2279	at => $NEXT_TICK || $TICK,	3293	at => $NEXT_TICK || $TICK,
2280	data => WF_AUTOCANCEL,	3294	data => WF_AUTOCANCEL,
2281	cb => sub {	3295	cb => sub {
		3296	if ($Coro::current != $Coro::main) {
		3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3298	unless ++$bug_warning > 10;
		3299	return;
		3300	}
		3301
		3302	$NOW = $tick_start = Event::time;
		3303
2282	cf::server_tick; # one server iteration	3304	cf::server_tick; # one server iteration
		3305
		3306	0 && sync_job {#d#
		3307	for(1..10) {
		3308	my $t = Event::time;
		3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3310	or die;
		3311
		3312	$map->width (50);
		3313	$map->height (50);
		3314	$map->alloc;
		3315	$map->_load_objects ("/tmp/x.map", 1);
		3316	my $t = Event::time - $t;
		3317
		3318	#next unless $t < 0.0013;#d#
		3319	if ($t < $min) {
		3320	$min = $t;
		3321	}
		3322	$avg = $avg * 0.99 + $t * 0.01;
		3323	}
		3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3325	exit 0;
		3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3327	};
		3328
2283	$RUNTIME += $TICK;	3329	$RUNTIME += $TICK;
2284	$NEXT_TICK += $TICK;	3330	$NEXT_TICK += $TICK;
2285		3331
		3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3334	Coro::async_pool {
		3335	write_runtime
		3336	or warn "ERROR: unable to write runtime file: $!";
		3337	};
		3338	}
		3339
		3340	# my $AFTER = Event::time;
		3341	# warn $AFTER - $NOW;#d#
		3342
		3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3344	$sig->send;
		3345	}
		3346	while (my $sig = shift @WAIT_FOR_TICK) {
		3347	$sig->send;
		3348	}
		3349
		3350	$NOW = Event::time;
		3351
2286	# if we are delayed by four ticks or more, skip them all	3352	# if we are delayed by four ticks or more, skip them all
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2288		3354
2289	$TICK_WATCHER->at ($NEXT_TICK);	3355	$TICK_WATCHER->at ($NEXT_TICK);
2290	$TICK_WATCHER->start;	3356	$TICK_WATCHER->start;
		3357
		3358	$LOAD = ($NOW - $tick_start) / $TICK;
		3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3360
		3361	_post_tick;
		3362
		3363
2291	},	3364	},
2292	);	3365	);
2293		3366
		3367	{
2294	IO::AIO::max_poll_time $TICK * 0.2;	3368	BDB::max_poll_time $TICK * 0.1;
2295		3369	$BDB_POLL_WATCHER = Event->io (
2296	Event->io (	3370	reentrant => 0,
2297	fd => IO::AIO::poll_fileno,	3371	fd => BDB::poll_fileno,
2298	poll => 'r',	3372	poll => 'r',
2299	prio => 5,	3373	prio => 0,
2300	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,
2302	);
2303
2304	Event->timer (
2305	data => WF_AUTOCANCEL,	3374	data => WF_AUTOCANCEL,
2306	after => 0,	3375	cb => \&BDB::poll_cb,
2307	interval => 10,	3376	);
2308	cb => sub {	3377	BDB::min_parallel 8;
2309	(Coro::unblock_sub {	3378
2310	write_runtime	3379	BDB::set_sync_prepare {
2311	or warn "ERROR: unable to write runtime file: $!";	3380	my $status;
		3381	my $current = $Coro::current;
		3382	(
		3383	sub {
		3384	$status = $!;
		3385	$current->ready; undef $current;
		3386	},
		3387	sub {
		3388	Coro::schedule while defined $current;
		3389	$! = $status;
		3390	},
		3391	)
		3392	};
		3393
		3394	unless ($DB_ENV) {
		3395	$DB_ENV = BDB::db_env_create;
		3396
		3397	cf::sync_job {
		3398	eval {
		3399	BDB::db_env_open
		3400	$DB_ENV,
		3401	$BDBDIR,
		3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3404	0666;
		3405
		3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3407
		3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3409	$DB_ENV->set_lk_detect;
		3410	};
		3411
		3412	cf::cleanup "db_env_open(db): $@" if $@;
2312	})->();	3413	};
2313	},	3414	}
2314	);	3415	}
		3416
		3417	{
		3418	IO::AIO::min_parallel 8;
		3419
		3420	undef $Coro::AIO::WATCHER;
		3421	IO::AIO::max_poll_time $TICK * 0.1;
		3422	$AIO_POLL_WATCHER = Event->io (
		3423	reentrant => 0,
		3424	data => WF_AUTOCANCEL,
		3425	fd => IO::AIO::poll_fileno,
		3426	poll => 'r',
		3427	prio => 6,
		3428	cb => \&IO::AIO::poll_cb,
		3429	);
		3430	}
		3431
		3432	my $_log_backtrace;
		3433
		3434	sub _log_backtrace {
		3435	my ($msg, @addr) = @_;
		3436
		3437	$msg =~ s/\n//;
		3438
		3439	# limit the # of concurrent backtraces
		3440	if ($_log_backtrace < 2) {
		3441	++$_log_backtrace;
		3442	async {
		3443	my @bt = fork_call {
		3444	@addr = map { sprintf "%x", $_ } @addr;
		3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3447	or die "addr2line: $!";
		3448
		3449	my @funcs;
		3450	my @res = <$fh>;
		3451	chomp for @res;
		3452	while (@res) {
		3453	my ($func, $line) = splice @res, 0, 2, ();
		3454	push @funcs, "[$func] $line";
		3455	}
		3456
		3457	@funcs
		3458	};
		3459
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] $_\n" for @bt;
		3462	--$_log_backtrace;
		3463	};
		3464	} else {
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] [suppressed]\n";
		3467	}
		3468	}
		3469
		3470	# load additional modules
		3471	use cf::pod;
2315		3472
2316	END { cf::emergency_save }	3473	END { cf::emergency_save }
2317		3474
2318	1	3475	1
2319		3476

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