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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		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
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$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
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	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;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		95
65	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		102
68	binmode STDOUT;	103	binmode STDOUT;
69	binmode STDERR;	104	binmode STDERR;
70		105
71	# read virtual server time, if available	106	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
76	}	111	}
77		112
78	mkdir cf::localdir;	113	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		115
84	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
85		119
86	#############################################################################	120	#############################################################################
87		121
88	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
89		123
…		…
96	=item $cf::RUNTIME	130	=item $cf::RUNTIME
97		131
98	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
99	every server tick.	133	every server tick.
100		134
101	=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
102		138
103	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		143
106	=item $cf::NOW	144	=item $cf::NOW
107		145
108	The time of the last (current) server tick.	146	The time of the last (current) server tick.
109		147
110	=item $cf::TICK	148	=item $cf::TICK
111		149
112	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.
113		161
114	=item %cf::CFG	162	=item %cf::CFG
115		163
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	165	from wherever your confdir points to.
118		166
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		168
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	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.
125		178
126	=back	179	=back
127		180
128	=cut	181	=cut
129		182
130	BEGIN {	183	BEGIN {
131	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	185	my $msg = join "", @_;
133	utf8::encode $msg;
134		186
135	$msg .= "\n"	187	$msg .= "\n"
136	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
137		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
138	LOG llevError, $msg;	193	LOG llevError, $msg;
139	};	194	};
140	}	195	}
141		196
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		204
149	# 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
150	# within the Safe compartment.	206	# within the Safe compartment.
151	for my $pkg (qw(	207	for my $pkg (qw(
152	cf::global cf::attachable	208	cf::global cf::attachable
…		…
160	}	216	}
161		217
162	$Event::DIED = sub {	218	$Event::DIED = sub {
163	warn "error in event callback: @_";	219	warn "error in event callback: @_";
164	};	220	};
		221
		222	#############################################################################
165		223
166	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
167		225
168	=over 4	226	=over 4
169		227
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	247	$d
190	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
191	}	249	}
192		250
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
196		252
197	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
198		254
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
207		256
208	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
209		258
210	=cut	259	=cut
211		260
212	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
214	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
216		265
217	=item cf::lock_wait $string	266	=item cf::lock_wait $string
218		267
219	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
220		269
…		…
223	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
226	returned.	275	returned.
227		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
228	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
230		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
231	=cut	287	=cut
232		288
233	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
234		291
235	sub lock_wait($) {	292	sub lock_wait($) {
236	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
237		299
238	# wait for lock, if any	300	# wait for lock, if any
239	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	303	Coro::schedule;
…		…
247		309
248	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
249	lock_wait $key;	311	lock_wait $key;
250		312
251	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
252		315
253	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
256	}	320	}
257	}	321	}
258		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
259	sub freeze_mainloop {	329	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
261		331
262	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
263	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
264	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
265	}	393	}
266		394
267	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
268		396
269	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		402
275	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
276		404
277	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
278		406
279	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
282		411
283	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
286	fast or be very important.	415	fast or be very important.
…		…
289		418
290	sub sync_job(&) {	419	sub sync_job(&) {
291	my ($job) = @_;	420	my ($job) = @_;
292		421
293	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
294	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
296		427
297	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
309		440
310	while ($busy) {	441	while ($busy) {
311	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
312	}	443	}
313		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
314	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
315	} else {	453	} else {
316	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
317		455
318	$job->()	456	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
338		476
339	$coro	477	$coro
340	}	478	}
341		479
342	sub write_runtime {	480	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		481
345	my $runtime = cf::localdir . "/runtime";	482	Executes the given code block with the given arguments in a seperate
		483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
346		486
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	=cut
348	or return;
349		488
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	489	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	my ($cb, @args) = @_;
352	and return;
353		491
354	aio_fsync $fh	492	# we seemingly have to make a local copy of the whole thing,
355	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
356		495
357	close $fh	496	my @res = Coro::Util::fork_eval {
358	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
359		500
360	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
361	and return;	502	}
362		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
363	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	629	}
365		630
366	=back	631	=back
367		632
368	=cut	633	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
377		642
378	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	645	Crossfire TRT).
381		646
382	=over 4	647	=over 4
383		648
384	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
385		650
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	765	our @CB_MAP = ();
501		766
502	my %attachment;	767	my %attachment;
503		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
504	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
506		777
507	use sort 'stable';	778	use sort 'stable';
508		779
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
543		814
544	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		819
549	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	821	my $pkg = shift @arg;
551		822
552	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
582	}	853	}
583		854
584	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
585	} else {	856	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	858	}
588		859
589	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
590	}	861	}
591		862
…		…
593	if (ref $_[0]) {	864	if (ref $_[0]) {
594	_object_attach @_;	865	_object_attach @_;
595	} else {	866	} else {
596	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
597	}	868	}
		869	_recalc_want;
598	};	870	};
599		871
600	# all those should be optimised	872	# all those should be optimised
601	sub cf::attachable::detach {	873	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
606	reattach ($obj);	878	reattach ($obj);
607	} else {	879	} else {
608	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
609	}	881	}
		882	_recalc_want;
610	};	883	};
611		884
612	sub cf::attachable::attached {	885	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
614		887
…		…
629	";	902	";
630	die if $@;	903	die if $@;
631	}	904	}
632		905
633	our $override;	906	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		908
636	sub override {	909	sub override {
637	$override = 1;	910	$override = 1;
638	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
639	}	912	}
640		913
641	sub do_invoke {	914	sub do_invoke {
642	my $event = shift;	915	my $event = shift;
643	my $callbacks = shift;	916	my $callbacks = shift;
644		917
645	@invoke_results = ();	918	@INVOKE_RESULTS = ();
646		919
647	local $override;	920	local $override;
648		921
649	for (@$callbacks) {	922	for (@$callbacks) {
650	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
667		940
668	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
669		942
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		946
674	=back	947	=back
675		948
676	=cut	949	=cut
677		950
678	#############################################################################	951	#############################################################################
679	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
680		964
681	sub reattach {	965	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		970
685	my $registry = $obj->registry;	971	my $registry = $obj->registry;
686		972
687	@$registry = ();	973	@$registry = ();
688		974
…		…
727	);	1013	);
728		1014
729	sub object_freezer_save {	1015	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
731		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
732	sync_job {	1020	sync_job {
733	if (length $$rdata) {	1021	if (length $$rdata) {
734	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
736		1024
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1029	close $fh;
742		1030
743	if (@$objs) {	1031	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1037	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
751	}	1039	}
752	} else {	1040	} else {
753	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
759	}	1047	}
760	} else {	1048	} else {
761	aio_unlink $filename;	1049	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
763	}	1051	}
764	}	1052	};
		1053
		1054	undef $guard;
765	}	1055	}
766		1056
767	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
769		1059
…		…
774		1064
775	sub object_thawer_load {	1065	sub object_thawer_load {
776	my ($filename) = @_;	1066	my ($filename) = @_;
777		1067
778	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
779		1071
780	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
781	or return;	1073	or return;
782		1074
783	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
785	or return;	1077	or return;
		1078
		1079	undef $guard;
786	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1081	}
788		1082
789	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
791	return ($data, $av);	1086	($data, $av)
792	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
793		1094
794	#############################################################################	1095	#############################################################################
795	# command handling &c	1096	# command handling &c
796		1097
797	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1112	}
812		1113
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1115
815	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
816		1121
817	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
818	called.	1123	called.
819		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
820	=cut	1136	=cut
821		1137
822	sub register_extcmd {	1138	sub register_extcmd {
823	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
824		1140
825	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
826	}	1148	}
827		1149
828	cf::player->attach (	1150	cf::player->attach (
829	on_command => sub {	1151	on_command => sub {
830	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1161	cf::override;
840	},	1162	},
841	on_extcmd => sub {	1163	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
843		1165
844	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1167
846	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
852	} else {	1183	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1185	}
855		1186
856	cf::override;	1187	cf::override;
857	},	1188	},
858	);	1189	);
859		1190
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
895	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1196	next unless -r $path;
897	eval {	1197
898	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
899	1	1255	}
900	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
901	}	1261	};
902	}	1262	}
903		1263
904	#############################################################################	1264	#############################################################################
905		1265
		1266	=back
		1267
906	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
907		1269
908	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
909		1271
910	=cut	1272	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
923		1285
924	=cut	1286	=cut
925		1287
926	sub playerdir($) {	1288	sub playerdir($) {
927	cf::localdir	1289	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1291	}
933		1292
934	sub path($) {	1293	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1295
937	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
938	}	1297	}
939		1298
940	sub find_active($) {	1299	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
945		1304
946	sub exists($) {	1305	sub exists($) {
947	my ($login) = @_;	1306	my ($login) = @_;
948		1307
949	$cf::PLAYER{$login}	1308	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1309	or cf::sync_job { !aio_stat path $login }
951	}	1310	}
952		1311
953	sub find($) {	1312	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1313	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1314	my $login = $_[0];
956		1315
957	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
958		1317
959	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
961	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
963	}	1335	}
964	}	1336	}
965	}	1337	}
966		1338
…		…
976		1348
977	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
979		1351
980	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
981	Coro::cede;	1353	cf::cede_to_tick;
982	}	1354	}
983		1355
984	sub new($) {	1356	sub new($) {
985	my ($login) = @_;	1357	my ($login) = @_;
986		1358
…		…
992	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
993		1365
994	$self	1366	$self
995	}	1367	}
996		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
997	=item $pl->quit_character	1379	=item $pl->quit_character
998		1380
999	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1001		1383
1002	=cut	1384	=cut
1003		1385
1004	sub quit_character {	1386	sub quit_character {
1005	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1006		1390
1007	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1393
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1020	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1021	}	1425	}
1022		1426
1023	=item cf::player::list_logins	1427	=item cf::player::list_logins
1024		1428
1025	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1027		1431
1028	=cut	1432	=cut
1029		1433
1030	sub list_logins {	1434	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1436	or return [];
1033		1437
1034	my @logins;	1438	my @logins;
1035		1439
1036	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1040		1449
1041	utf8::decode $login;	1450	utf8::decode $login;
1042	push @logins, $login;	1451	push @logins, $login;
1043	}	1452	}
1044		1453
…		…
1052		1461
1053	=cut	1462	=cut
1054		1463
1055	sub maps($) {	1464	sub maps($) {
1056	my ($pl) = @_;	1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1468
1058	my $files = aio_readdir playerdir $pl	1469	my $files = aio_readdir playerdir $pl
1059	or return;	1470	or return;
1060		1471
1061	my @paths;	1472	my @paths;
…		…
1063	for (@$files) {	1474	for (@$files) {
1064	utf8::decode $_;	1475	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1476	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1477	next unless /^$PATH_SEP/o;
1067		1478
1068	s/\.map$//;	1479	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1480	}
1071		1481
1072	\@paths	1482	\@paths
1073	}	1483	}
1074		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1076		1537
1077	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1078		1539
1079	=cut	1540	=cut
1080		1541
1081	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1083		1544
1084	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1546	}
1088		1547
1089	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1090		1588
1091	=back	1589	=back
1092
1093		1590
1094	=head3 cf::map	1591	=head3 cf::map
1095		1592
1096	=over 4	1593	=over 4
1097		1594
…		…
1101		1598
1102	use Fcntl;	1599	use Fcntl;
1103	use Coro::AIO;	1600	use Coro::AIO;
1104		1601
1105	use overload	1602	use overload
1106	'""' => \&as_string;	1603	'""' => \&as_string,
		1604	fallback => 1;
1107		1605
1108	our $MAX_RESET = 3600;	1606	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1607	our $DEFAULT_RESET = 3000;
1110		1608
1111	sub generate_random_map {	1609	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1610	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1611	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1612	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1624	)
1128	}	1625	}
1129		1626
		1627	=item cf::map->register ($regex, $prio)
		1628
		1629	Register a handler for the map path matching the given regex at the
		1630	givne priority (higher is better, built-in handlers have priority 0, the
		1631	default).
		1632
		1633	=cut
		1634
1130	sub register {	1635	sub register {
1131	my (undef, $regex) = @_;	1636	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1637	my $pkg = caller;
1133		1638
1134	no strict;	1639	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1640	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1641
1137	$EXT_MAP{$pkg} = qr<$regex>;	1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1643	}
1139		1644
1140	# also paths starting with '/'	1645	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1647
		1648	sub thawer_merge {
		1649	my ($self, $merge) = @_;
		1650
		1651	# we have to keep some variables in memory intact
		1652	local $self->{path};
		1653	local $self->{load_path};
		1654
		1655	$self->SUPER::thawer_merge ($merge);
		1656	}
1142		1657
1143	sub normalise {	1658	sub normalise {
1144	my ($path, $base) = @_;	1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
1145		1664
1146	# map plan:	1665	# map plan:
1147	#	1666	#
1148	# /! non-realised random map exit (special hack!)	1667	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1668	# {... are special paths that are not being touched
…		…
1177		1696
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1697	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1698
1180	$path = normalise $path, $base;	1699	$path = normalise $path, $base;
1181		1700
1182	for my $pkg (keys %EXT_MAP) {	1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1703	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1704	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1187	return $self;	1706	return $self;
1188	}	1707	}
1189	}	1708	}
1190		1709
1191	Carp::carp "unable to resolve path '$path'.";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1711	()
1193	}	1712	}
1194		1713
1195	sub init {	1714	sub init {
1196	my ($self) = @_;	1715	my ($self) = @_;
…		…
1211		1730
1212	# the original (read-only) location	1731	# the original (read-only) location
1213	sub load_path {	1732	sub load_path {
1214	my ($self) = @_;	1733	my ($self) = @_;
1215		1734
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1217	}	1736	}
1218		1737
1219	# the temporary/swap location	1738	# the temporary/swap location
1220	sub save_path {	1739	sub save_path {
1221	my ($self) = @_;	1740	my ($self) = @_;
1222		1741
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1225	}	1744	}
1226		1745
1227	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1228	sub uniq_path {	1747	sub uniq_path {
1229	my ($self) = @_;	1748	my ($self) = @_;
1230		1749
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1233	}	1752	}
1234		1753
1235	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1236	# all maps in C++...	1755	# all maps in C++...
1237	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1239		1758
1240	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1242	}	1761	}
1243		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1244	sub unlink_save {	1771	sub unlink_save {
1245	my ($self) = @_;	1772	my ($self) = @_;
1246		1773
1247	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1777	}
1251		1778
1252	sub load_header_from($) {	1779	sub load_header_from($) {
1253	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1254		1781
1255	utf8::encode $path;	1782	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1257	or return;	1784	or return;
1258		1785
1259	$self->_load_header ($path)	1786	$self->_load_header ($f)
1260	or return;	1787	or return;
1261		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
		1791
1262	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1263		1793
1264	1	1794	1
1265	}	1795	}
1266		1796
1267	sub load_orig {	1797	sub load_header_orig {
1268	my ($self) = @_;	1798	my ($self) = @_;
1269		1799
1270	$self->load_header_from ($self->load_path)	1800	$self->load_header_from ($self->load_path)
1271	}	1801	}
1272		1802
1273	sub load_temp {	1803	sub load_header_temp {
1274	my ($self) = @_;	1804	my ($self) = @_;
1275		1805
1276	$self->load_header_from ($self->save_path)	1806	$self->load_header_from ($self->save_path)
		1807	}
		1808
		1809	sub prepare_temp {
		1810	my ($self) = @_;
		1811
		1812	$self->last_access ((delete $self->{last_access})
		1813	|| $cf::RUNTIME); #d#
		1814	# safety
		1815	$self->{instantiate_time} = $cf::RUNTIME
		1816	if $self->{instantiate_time} > $cf::RUNTIME;
		1817	}
		1818
		1819	sub prepare_orig {
		1820	my ($self) = @_;
		1821
		1822	$self->{load_original} = 1;
		1823	$self->{instantiate_time} = $cf::RUNTIME;
		1824	$self->last_access ($cf::RUNTIME);
		1825	$self->instantiate;
1277	}	1826	}
1278		1827
1279	sub load_header {	1828	sub load_header {
1280	my ($self) = @_;	1829	my ($self) = @_;
1281		1830
1282	if ($self->load_temp) {	1831	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1832	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1833	} else {
1289	$self->load_orig	1834	$self->load_header_orig
1290	or return;	1835	or return;
1291		1836	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1837	}
		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
1297		1844
1298	1	1845	1
1299	}	1846	}
1300		1847
1301	sub find;	1848	sub find;
1302	sub find {	1849	sub find {
1303	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1304		1851
1305	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1306		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1308		1856
1309	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1311	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1312	or return;	1862	or return;
1313		1863
1314	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1315		1865
1316	$map->load_header	1866	$map->load_header
1317	or return;	1867	or return;
1318		1868
1319	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1870	# doing this can freeze the server in a sync job, obviously
		1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1320	$map->reset;	1874	$map->reset;
1321	undef $guard;
1322	$map = find $path	1875	return find $path;
1323	or return;
1324	}	1876	}
1325		1877
1326	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1327	}	1879	}
1328	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1329		1884
1330	sub load {	1885	sub load {
1331	my ($self) = @_;	1886	my ($self) = @_;
1332		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1333	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1335		1894
		1895	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1897
1338	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1339		1899
1340	$self->alloc;	1900	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	1901
		1902	$self->pre_load;
		1903	cf::cede_to_tick;
		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1342	or return;	1908	or return;
1343		1909
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	1911	if delete $self->{load_original};
1346		1912
1347	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	1914	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	1917	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1352	}	1921	}
1353	}	1922	}
1354		1923
1355	Coro::cede;	1924	$f->resolve_delayed_derefs;
1356		1925
		1926	cf::cede_to_tick;
1357	# now do the right thing for maps	1927	# now do the right thing for maps
1358	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1930	unless $self->difficulty;
1368	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1369	$self->activate;	1940	$self->activate;
1370	}	1941	}
1371		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
		1947	}
		1948
		1949	$self->post_load;
1373	}	1950	}
1374		1951
1375	sub customise_for {	1952	sub customise_for {
1376	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1377		1954
1378	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1956	if $self->per_player;
1380		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1381	$self	1961	$self
1382	}	1962	}
1383		1963
1384	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	1965	sub load_neighbours {
1386	my ($map) = @_;	1966	my ($map) = @_;
1387		1967
1388	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1389		1969
1390	for (0 .. 3) {	1970	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1392	or next;	1972	or next;
1393	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1394	or next;	1974	or next;
1395	$neigh->load;	1975	$neigh->load;
1396		1976
		1977	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	1980	}
1400		1981
1401	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1403	or next;	1985	or next;
1404	$neigh->load;	1986	$neigh->load;
1405	}	1987	}
1406	}	1988	}
1407		1989
…		…
1412	}	1994	}
1413		1995
1414	sub do_load_sync {	1996	sub do_load_sync {
1415	my ($map) = @_;	1997	my ($map) = @_;
1416		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1417	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1418	}	2003	}
1419		2004
1420	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2006	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2007
1434	sub find_async {	2008	sub find_async {
1435	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1436		2010
1437	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1438		2012
1439	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2015	}
		2016
		2017	$MAP_PREFETCH{$path} |= $load;
		2018
		2019	$MAP_PREFETCHER ||= cf::async {
		2020	while (%MAP_PREFETCH) {
		2021	while (my ($k, $v) = each %MAP_PREFETCH) {
		2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
		2026	delete $MAP_PREFETCH{$k};
		2027	}
		2028	}
		2029	undef $MAP_PREFETCHER;
1441	}	2030	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2031	$MAP_PREFETCHER->prio (6);
1445		2032
1446	()	2033	()
1447	}	2034	}
1448		2035
1449	sub save {	2036	sub save {
1450	my ($self) = @_;	2037	my ($self) = @_;
1451		2038
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2040
1454	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1455		2042
1456	return unless $self->dirty;	2043	return unless $self->dirty;
1457		2044
…		…
1480	my ($self) = @_;	2067	my ($self) = @_;
1481		2068
1482	# save first because save cedes	2069	# save first because save cedes
1483	$self->save;	2070	$self->save;
1484		2071
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2073
1487	return if $self->players;	2074	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2076	return if $self->{deny_save};
1490		2077
		2078	$self->deactivate;
1491	$self->clear;	2079	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2081	}
1494		2082
1495	sub reset_at {	2083	sub reset_at {
1496	my ($self) = @_;	2084	my ($self) = @_;
1497		2085
1498	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1501		2088
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2091
…		…
1509	my ($self) = @_;	2096	my ($self) = @_;
1510		2097
1511	$self->reset_at <= $cf::RUNTIME	2098	$self->reset_at <= $cf::RUNTIME
1512	}	2099	}
1513		2100
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2101	sub reset {
1529	my ($self) = @_;	2102	my ($self) = @_;
1530		2103
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2105
1533	return if $self->players;	2106	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2107
1536	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
		2109
		2110	$self->in_memory (cf::MAP_SWAPPED);
		2111
		2112	# need to save uniques path
		2113	unless ($self->{deny_save}) {
		2114	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2115
		2116	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2117	if $uniq;
		2118	}
1537		2119
1538	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1539		2121
1540	$self->in_memory (cf::MAP_SWAPPED);	2122	$self->deactivate;
1541	$self->clear;	2123	$self->clear;
1542		2124
1543	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1544		2126
1545	$self->unlink_save;	2127	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1550		2132
1551	sub nuke {	2133	sub nuke {
1552	my ($self) = @_;	2134	my ($self) = @_;
1553		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
		2139	delete $cf::MAP{$self->path};
		2140
		2141	$self->unlink_save;
		2142
		2143	bless $self, "cf::map";
		2144	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2148
		2149	$cf::MAP{$self->path} = $self;
		2150	}
		2151
1557	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1558	}	2189	}
1559		2190
1560	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1561		2192
1562	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2194	instantiated unique items. May block.
1564		2195
1565	=cut	2196	=cut
1566		2197
1567	sub unique_maps() {	2198	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1569	or return;	2200	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2201	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2202	/\.map$/
1579	push @paths, $_;	2203	? normalise $_
		2204	: ()
		2205	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2206	]
1581
1582	\@paths
1583	}	2207	}
1584		2208
1585	package cf;	2209	package cf;
1586		2210
1587	=back	2211	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1606	}	2230	}
1607		2231
1608	sub inv_recursive {	2232	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1610	}	2265	}
1611		2266
1612	package cf;	2267	package cf;
1613		2268
1614	=back	2269	=back
…		…
1633		2288
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2290
1636	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1638	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1641	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1642	}	2316	}
1643		2317
1644	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1645		2319
1646	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2352	=cut
1679		2353
1680	sub link_map {	2354	sub link_map {
1681	unless ($LINK_MAP) {	2355	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2356	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2357	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2358	$LINK_MAP->load;
1685	}	2359	}
1686		2360
1687	$LINK_MAP	2361	$LINK_MAP
1688	}	2362	}
…		…
1693	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1694		2368
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2370
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1699		2373
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2375	}
1702		2376
1703	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1705		2381
1706	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1707		2383
1708	unless ($map) {	2384	unless ($map) {
1709	# restore original map position	2385	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1726		2402
1727	$map->load;	2403	$map->load;
1728	$map->load_diag;	2404	$map->load_neighbours;
1729		2405
1730	return unless $self->contr->active;	2406	return unless $self->contr->active;
1731	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1733	}	2411	}
1734		2412
1735	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2414
1739	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1743	};	2419	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2420
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1770		2424
1771	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2430
1774	$self->enter_link;	2431	$self->enter_link;
1775		2432
1776	(async {	2433	(async {
		2434	my $map = eval {
1777	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
1779		2439	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2440	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
1784		2443
		2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
		2450	}
		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1786	})->prio (1);	2458	})->prio (1);
1787	}	2459	}
1788		2460
1789	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1790		2462
…		…
1792		2464
1793	sub parse_random_map_params {	2465	sub parse_random_map_params {
1794	my ($spec) = @_;	2466	my ($spec) = @_;
1795		2467
1796	my $rmp = { # defaults	2468	my $rmp = { # defaults
1797	xsize => 10,	2469	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2470	ysize => (cf::rndm 15, 40),
		2471	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2472	#layout => string,
1799	};	2473	};
1800		2474
1801	for (split /\n/, $spec) {	2475	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2476	my ($k, $v) = split /\s+/, $_, 2;
1803		2477
…		…
1807	$rmp	2481	$rmp
1808	}	2482	}
1809		2483
1810	sub prepare_random_map {	2484	sub prepare_random_map {
1811	my ($exit) = @_;	2485	my ($exit) = @_;
		2486
		2487	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2488
1813	# all this does is basically replace the /! path by	2489	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2490	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2491	# that depends on the exit object
1816		2492
1817	my $rmp = parse_random_map_params $exit->msg;	2493	my $rmp = parse_random_map_params $exit->msg;
1818		2494
1819	if ($exit->map) {	2495	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2496	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2497	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2498	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2499	$rmp->{origin_y} = $exit->y;
1824	}	2500	}
1825		2501
1826	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1827		2503
1828	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
		2506	my $meta = "$RANDOMDIR/$md5.meta";
1830		2507
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
		2510	undef $fh;
		2511	aio_rename "$meta~", $meta;
1833		2512
1834	$exit->slaying ("?random/$md5");	2513	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2514	$exit->msg (undef);
1836	}	2515	}
1837	}	2516	}
…		…
1839	sub cf::object::player::enter_exit {	2518	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2519	my ($self, $exit) = @_;
1841		2520
1842	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1843		2522
		2523	if ($exit->slaying eq "/!") {
		2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
		2527	cf::sync_job { prepare_random_map $exit };
		2528	}
		2529
		2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2531	my $hp = $exit->stats->hp;
		2532	my $sp = $exit->stats->sp;
		2533
1844	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1845		2539
1846	(async {	2540	(async {
1847	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2542	unless (eval {
1849	prepare_random_map $exit	2543	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2544
1855	1;	2545	1;
1856	}) {	2546	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2549	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2551
1862	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2553	$self->leave_link;
1864	}	2554	}
1865	})->prio (1);	2555	})->prio (1);
…		…
1878		2568
1879	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1881		2571
1882	utf8::encode $text;	2572	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2574	}
1885		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1886		2691
1887	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1888		2693
1889	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2697
1893	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2699	become reliable at some point in the future.
1895		2700
1896	=cut	2701	=cut
1897		2702
1898	sub cf::client::query {	2703	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2712	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2714
1910	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
1912	}	2719	}
1913		2720
1914	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
1915	on_reply => sub {	2727	on_reply => sub {
1916	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
1917		2729
1918	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
1919	# get handled first	2731	# get handled first
1920	my $queue = delete $ns->{query_queue}	2732	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2733	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2734
1923	(shift @$queue)->[1]->($msg);	2735	(shift @$queue)->[1]->($msg);
		2736	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2737
1925	push @{ $ns->{query_queue} }, @$queue;	2738	push @{ $ns->{query_queue} }, @$queue;
1926		2739
1927	if (@{ $ns->{query_queue} } == @$queue) {	2740	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2741	if (@$queue) {
…		…
1930	} else {	2743	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2745	}
1933	}	2746	}
1934	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
1935	);	2774	);
1936		2775
1937	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
1938		2777
1939	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
1982		2821
1983	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
1984		2823
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
1986		2829
1987	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
1988		2831
1989	=pod	2832	=pod
1990		2833
1991	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
1992		2835
1993	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
1994	cf::object::player player	2840	cf::object::player
1995	cf::player peaceful	2841	player
1996	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
1997		2848
1998	=cut	2849	=cut
1999		2850
2000	for (	2851	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2002	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2005	) {	2858	) {
2006	no strict 'refs';	2859	no strict 'refs';
…		…
2077	=back	2930	=back
2078		2931
2079	=cut	2932	=cut
2080		2933
2081	#############################################################################	2934	#############################################################################
		2935	# the server's init and main functions
2082		2936
2083	=head2 EXTENSION DATABASE SUPPORT	2937	sub load_facedata($) {
		2938	my ($path) = @_;
2084		2939
2085	Crossfire maintains a very simple database for extension use. It can	2940	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	2941	# for this (global event?)
2087	excludes objects.	2942	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		2943
2089	The parameter C<$family> should best start with the name of the extension	2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		2945
2092	=over 4	2946	warn "loading facedata from $path\n";
2093		2947
2094	=item $hashref = cf::db_get $family	2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
2095		2951
2096	Return a hashref for use by the extension C<$family>, which can be	2952	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		2953
2100	=item $value = cf::db_get $family => $key	2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		2956
2102	Returns a single value from the database	2957	# patch in the exptable
2103		2958	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	2959	type => FT_RSRC,
2105		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	2961	};
		2962	cf::cede_to_tick;
2155		2963
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	2964	{
		2965	my $faces = $facedata->{faceinfo};
2160		2966
2161	sub db_get($;$) {	2967	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	2969	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	2970	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2166		2973
2167	sub db_put($$;$) {	2974	cf::cede_to_tick;
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2975	}
2181	);
2182	}
2183		2976
2184	#############################################################################	2977	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
2186		2987
2187	sub cfg_load {	2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3115	or return;
2190		3116
2191	local $/;	3117	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2193		3119
…		…
2207		3133
2208	sub main {	3134	sub main {
2209	# we must not ever block the main coroutine	3135	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3136	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3137	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3138	(async {
2212	async { Event::one_event };	3139	Event::one_event;
		3140	})->prio (Coro::PRIO_MAX);
2213	};	3141	};
2214		3142
2215	cfg_load;	3143	reload_config;
2216	db_load;	3144	db_init;
2217	load_extensions;	3145	load_extensions;
		3146
		3147	$TICK_WATCHER->start;
2218	Event::loop;	3148	Event::loop;
2219	}	3149	}
2220		3150
2221	#############################################################################	3151	#############################################################################
2222	# initialisation and cleanup	3152	# initialisation and cleanup
2223		3153
2224	# install some emergency cleanup handlers	3154	# install some emergency cleanup handlers
2225	BEGIN {	3155	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3156	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3157	Event->signal (
		3158	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3159	data => WF_AUTOCANCEL,
2229	signal => $signal,	3160	signal => $signal,
		3161	prio => 0,
2230	cb => sub {	3162	cb => sub {
2231	cf::cleanup "SIG$signal";	3163	cf::cleanup "SIG$signal";
2232	},	3164	},
2233	);	3165	);
2234	}	3166	}
		3167	}
		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
2235	}	3205	}
2236		3206
2237	sub emergency_save() {	3207	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2239		3209
…		…
2256	my $map = $cf::MAP{$path} or next;	3226	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3227	$map->valid or next;
2258	$map->save;	3228	$map->save;
2259	}	3229	}
2260	warn "end emergency map save\n";	3230	warn "end emergency map save\n";
		3231
		3232	warn "begin emergency database checkpoint\n";
		3233	BDB::db_env_txn_checkpoint $DB_ENV;
		3234	warn "end emergency database checkpoint\n";
2261	};	3235	};
2262		3236
2263	warn "leave emergency perl save\n";	3237	warn "leave emergency perl save\n";
2264	}	3238	}
2265		3239
		3240	sub post_cleanup {
		3241	my ($make_core) = @_;
		3242
		3243	warn Carp::longmess "post_cleanup backtrace"
		3244	if $make_core;
		3245	}
		3246
2266	sub reload() {	3247	sub do_reload_perl() {
2267	# can/must only be called in main	3248	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3250	warn "can only reload from main coroutine";
2270	return;	3251	return;
2271	}	3252	}
2272		3253
2273	warn "reloading...";	3254	warn "reloading...";
2274		3255
2275	warn "freezing server";	3256	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3257
		3258	cf::sync_job {
		3259	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3260	cf::emergency_save;
		3261	cf::write_runtime; # external watchdog should not bark
2278		3262
2279	warn "sync database to disk";	3263	warn "syncing database to disk";
2280	cf::db_sync;	3264	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3265
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
2285		3267
2286	warn "cancel all watchers";	3268	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3269	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3270	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3271	}
2290		3272
		3273	warn "flushing outstanding aio requests";
		3274	for (;;) {
		3275	BDB::flush;
		3276	IO::AIO::flush;
		3277	Coro::cede;
		3278	last unless IO::AIO::nreqs || BDB::nreqs;
		3279	warn "iterate...";
		3280	}
		3281
		3282	++$RELOAD;
		3283
2291	warn "cancel all extension coros";	3284	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3286	%EXT_CORO = ();
2294		3287
2295	warn "remove commands";	3288	warn "removing commands";
2296	%COMMAND = ();	3289	%COMMAND = ();
2297		3290
2298	warn "remove ext commands";	3291	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2300		3294
2301	warn "unload/nuke all extensions";	3295	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2304		3298
2305	if (my $cb = $pkg->can ("unload")) {	3299	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3300	eval {
…		…
2311		3305
2312	warn "... nuking $pkg";	3306	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3307	Symbol::delete_package $pkg;
2314	}	3308	}
2315		3309
2316	warn "unload all perl modules loaded from $LIBDIR";	3310	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3311	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3312	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3313
2320	warn "removing <$k>";	3314	warn "... unloading $k";
2321	delete $INC{$k};	3315	delete $INC{$k};
2322		3316
2323	$k =~ s/\.pm$//;	3317	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3318	$k =~ s/\//::/g;
2325		3319
…		…
2328	}	3322	}
2329		3323
2330	Symbol::delete_package $k;	3324	Symbol::delete_package $k;
2331	}	3325	}
2332		3326
2333	warn "get rid of safe::, as good as possible";	3327	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3330
2337	warn "unload cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2339		3334
2340	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3336	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2343		3338
		3339	warn "unload completed, starting to reload now";
		3340
2344	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2345	require cf;	3342	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3344
2348	warn "load config and database again";	3345	warn "loading config and database again";
2349	cf::cfg_load;	3346	cf::reload_config;
2350	cf::db_load;
2351		3347
2352	warn "load extensions";	3348	warn "loading extensions";
2353	cf::load_extensions;	3349	cf::load_extensions;
2354		3350
2355	warn "reattach attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3352	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3353	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
2359	};	3355	warn "reattaching attachments to players";
		3356	reattach $_ for values %PLAYER;
2360		3357
2361	if ($@) {	3358	warn "leaving sync_job";
		3359
		3360	1
		3361	} or do {
2362	warn $@;	3362	warn $@;
2363	warn "error while reloading, exiting.";	3363	warn "error while reloading, exiting.";
2364	exit 1;	3364	exit 1;
2365	}	3365	};
2366		3366
2367	warn "reloaded";	3367	warn "reloaded";
2368	};	3368	};
2369		3369
		3370	our $RELOAD_WATCHER; # used only during reload
		3371
		3372	sub reload_perl() {
		3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
		3375
		3376	$RELOAD_WATCHER ||= Event->timer (
		3377	reentrant => 0,
		3378	after => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => sub {
		3381	do_reload_perl;
		3382	undef $RELOAD_WATCHER;
		3383	},
		3384	);
		3385	}
		3386
2370	register_command "reload" => sub {	3387	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2372		3389
2373	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3391	$who->message ("reloading server.");
		3392	async { reload_perl };
2377	}	3393	}
2378	};	3394	};
2379		3395
2380	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2381		3397
		3398	my $bug_warning = 0;
		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3424	reentrant => 0,
		3425	parked => 1,
2384	prio => 0,	3426	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3428	data => WF_AUTOCANCEL,
2387	cb => sub {	3429	cb => sub {
		3430	if ($Coro::current != $Coro::main) {
		3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3432	unless ++$bug_warning > 10;
		3433	return;
		3434	}
		3435
2388	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2389		3437
2390	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2391	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2393		3465
2394	$WAIT_FOR_TICK->broadcast;	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3468	Coro::async_pool {
		3469	write_runtime
		3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
		3472	}
		3473
		3474	# my $AFTER = Event::time;
		3475	# warn $AFTER - $NOW;#d#
		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
2396		3485
2397	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3488
2400	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2402	},	3498	},
2403	);	3499	);
2404		3500
		3501	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3502	BDB::max_poll_time $TICK * 0.1;
2406		3503	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3504	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3505	fd => BDB::poll_fileno,
2409	poll => 'r',	3506	poll => 'r',
2410	prio => 5,	3507	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3508	data => WF_AUTOCANCEL,
2417	after => 0,	3509	cb => \&BDB::poll_cb,
2418	interval => 10,	3510	);
2419	cb => sub {	3511	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3512
2421	write_runtime	3513	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3514	my $status;
		3515	my $current = $Coro::current;
		3516	(
		3517	sub {
		3518	$status = $!;
		3519	$current->ready; undef $current;
		3520	},
		3521	sub {
		3522	Coro::schedule while defined $current;
		3523	$! = $status;
		3524	},
		3525	)
		3526	};
		3527
		3528	unless ($DB_ENV) {
		3529	$DB_ENV = BDB::db_env_create;
		3530
		3531	cf::sync_job {
		3532	eval {
		3533	BDB::db_env_open
		3534	$DB_ENV,
		3535	$BDBDIR,
		3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3538	0666;
		3539
		3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3541
		3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3543	$DB_ENV->set_lk_detect;
		3544	};
		3545
		3546	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3547	};
2424	},	3548	}
2425	);	3549	}
		3550
		3551	{
		3552	IO::AIO::min_parallel 8;
		3553
		3554	undef $Coro::AIO::WATCHER;
		3555	IO::AIO::max_poll_time $TICK * 0.1;
		3556	$AIO_POLL_WATCHER = Event->io (
		3557	reentrant => 0,
		3558	data => WF_AUTOCANCEL,
		3559	fd => IO::AIO::poll_fileno,
		3560	poll => 'r',
		3561	prio => 6,
		3562	cb => \&IO::AIO::poll_cb,
		3563	);
		3564	}
		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
		3601	}
		3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2426		3606
2427	END { cf::emergency_save }	3607	END { cf::emergency_save }
2428		3608
2429	1	3609	1
2430		3610

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