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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		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	# load/save/clean perl data associated with a map
906		1265
907	*cf::mapsupport::on_clean = sub {	1266	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1267
920	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
921		1269
922	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
923		1271
…		…
929		1277
930	=head3 cf::player	1278	=head3 cf::player
931		1279
932	=over 4	1280	=over 4
933		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
934	=item cf::player::find $login	1296	=item cf::player::find $login
935		1297
936	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
937		1299
938	=cut	1300	=cut
939		1301
940	sub playerdir($) {	1302	sub playerdir($) {
941	cf::localdir	1303	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1305	}
947		1306
948	sub path($) {	1307	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1309
951	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
952	}	1311	}
953		1312
954	sub find_active($) {	1313	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
959		1318
960	sub exists($) {	1319	sub exists($) {
961	my ($login) = @_;	1320	my ($login) = @_;
962		1321
963	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
965	}	1324	}
966		1325
967	sub find($) {	1326	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1328	my $login = $_[0];
970		1329
971	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
972		1331
973	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
975	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
977	}	1349	}
978	}	1350	}
979	}	1351	}
980		1352
…		…
990		1362
991	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
993		1365
994	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
995	Coro::cede;	1367	cf::cede_to_tick;
996	}	1368	}
997		1369
998	sub new($) {	1370	sub new($) {
999	my ($login) = @_;	1371	my ($login) = @_;
1000		1372
…		…
1006	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1007		1379
1008	$self	1380	$self
1009	}	1381	}
1010		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
		1391	}
		1392
1011	=item $pl->quit_character	1393	=item $pl->quit_character
1012		1394
1013	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1015		1397
1016	=cut	1398	=cut
1017		1399
1018	sub quit_character {	1400	sub quit_character {
1019	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1020		1404
1021	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1406	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1407
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1417	$pl->destroy;
		1418
		1419	my $prefix = qr<^~\Q$name\E/>;
		1420
		1421	# nuke player maps
		1422	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1423
1034	IO::AIO::aio_rmtree $temp;	1424	IO::AIO::aio_rmtree $temp;
		1425	}
		1426
		1427	=item $pl->kick
		1428
		1429	Kicks a player out of the game. This destroys the connection.
		1430
		1431	=cut
		1432
		1433	sub kick {
		1434	my ($pl, $kicker) = @_;
		1435
		1436	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1437	$pl->killer ("kicked");
		1438	$pl->ns->destroy;
1035	}	1439	}
1036		1440
1037	=item cf::player::list_logins	1441	=item cf::player::list_logins
1038		1442
1039	Returns am arrayref of all valid playernames in the system, can take a	1443	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1041		1445
1042	=cut	1446	=cut
1043		1447
1044	sub list_logins {	1448	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1450	or return [];
1047		1451
1048	my @logins;	1452	my @logins;
1049		1453
1050	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1054		1463
1055	utf8::decode $login;	1464	utf8::decode $login;
1056	push @logins, $login;	1465	push @logins, $login;
1057	}	1466	}
1058		1467
…		…
1066		1475
1067	=cut	1476	=cut
1068		1477
1069	sub maps($) {	1478	sub maps($) {
1070	my ($pl) = @_;	1479	my ($pl) = @_;
		1480
		1481	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1482
1072	my $files = aio_readdir playerdir $pl	1483	my $files = aio_readdir playerdir $pl
1073	or return;	1484	or return;
1074		1485
1075	my @paths;	1486	my @paths;
…		…
1077	for (@$files) {	1488	for (@$files) {
1078	utf8::decode $_;	1489	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1490	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1491	next unless /^$PATH_SEP/o;
1081		1492
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1493	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1494	}
1084		1495
1085	\@paths	1496	\@paths
1086	}	1497	}
1087		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1089		1551
1090	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1091		1553
1092	=cut	1554	=cut
1093		1555
1094	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1096		1558
1097	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1560	}
1101		1561
1102	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1103		1602
1104	=back	1603	=back
1105
1106		1604
1107	=head3 cf::map	1605	=head3 cf::map
1108		1606
1109	=over 4	1607	=over 4
1110		1608
…		…
1114		1612
1115	use Fcntl;	1613	use Fcntl;
1116	use Coro::AIO;	1614	use Coro::AIO;
1117		1615
1118	use overload	1616	use overload
1119	'""' => \&as_string;	1617	'""' => \&as_string,
		1618	fallback => 1;
1120		1619
1121	our $MAX_RESET = 3600;	1620	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1621	our $DEFAULT_RESET = 3000;
1123		1622
1124	sub generate_random_map {	1623	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1624	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1625	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1626	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1627	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1628	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1629	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1636	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1637	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1638	)
1141	}	1639	}
1142		1640
		1641	=item cf::map->register ($regex, $prio)
		1642
		1643	Register a handler for the map path matching the given regex at the
		1644	givne priority (higher is better, built-in handlers have priority 0, the
		1645	default).
		1646
		1647	=cut
		1648
1143	sub register {	1649	sub register {
1144	my (undef, $regex) = @_;	1650	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1651	my $pkg = caller;
1146		1652
1147	no strict;	1653	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1654	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1655
1150	$EXT_MAP{$pkg} = qr<$regex>;	1656	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1657	}
1152		1658
1153	# also paths starting with '/'	1659	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1660	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1661
		1662	sub thawer_merge {
		1663	my ($self, $merge) = @_;
		1664
		1665	# we have to keep some variables in memory intact
		1666	local $self->{path};
		1667	local $self->{load_path};
		1668
		1669	$self->SUPER::thawer_merge ($merge);
		1670	}
1155		1671
1156	sub normalise {	1672	sub normalise {
1157	my ($path, $base) = @_;	1673	my ($path, $base) = @_;
		1674
		1675	$path = "$path"; # make sure its a string
		1676
		1677	$path =~ s/\.map$//;
1158		1678
1159	# map plan:	1679	# map plan:
1160	#	1680	#
1161	# /! non-realised random map exit (special hack!)	1681	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1682	# {... are special paths that are not being touched
…		…
1190		1710
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1711	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1712
1193	$path = normalise $path, $base;	1713	$path = normalise $path, $base;
1194		1714
1195	for my $pkg (keys %EXT_MAP) {	1715	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1716	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1717	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1718	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1200	return $self;	1720	return $self;
1201	}	1721	}
1202	}	1722	}
1203		1723
1204	Carp::carp "unable to resolve path '$path'.";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1725	()
1206	}	1726	}
1207		1727
1208	sub init {	1728	sub init {
1209	my ($self) = @_;	1729	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1740	# the displayed name, this is a one way mapping
1221	sub visible_name {	1741	sub visible_name {
1222	&as_string	1742	&as_string
1223	}	1743	}
1224		1744
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1745	# the original (read-only) location
1233	sub load_path {	1746	sub load_path {
1234	my ($self) = @_;	1747	my ($self) = @_;
1235		1748
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1749	"$MAPDIR/$self->{path}.map"
1237	}	1750	}
1238		1751
1239	# the temporary/swap location	1752	# the temporary/swap location
1240	sub save_path {	1753	sub save_path {
1241	my ($self) = @_;	1754	my ($self) = @_;
1242		1755
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1757	"$TMPDIR/$path.map"
1244	}	1758	}
1245		1759
1246	# the unique path, undef == no special unique path	1760	# the unique path, undef == no special unique path
1247	sub uniq_path {	1761	sub uniq_path {
1248	my ($self) = @_;	1762	my ($self) = @_;
1249		1763
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1765	"$UNIQUEDIR/$path"
1251	}	1766	}
1252		1767
1253	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1254	# all maps in C++...	1769	# all maps in C++...
1255	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1257		1772
1258	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1260	}	1775	}
1261		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1262	sub unlink_save {	1785	sub unlink_save {
1263	my ($self) = @_;	1786	my ($self) = @_;
1264		1787
1265	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1791	}
1269		1792
1270	sub load_header_from($) {	1793	sub load_header_from($) {
1271	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1272		1795
1273	utf8::encode $path;	1796	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1275	or return;	1798	or return;
1276		1799
1277	$self->_load_header ($path)	1800	$self->_load_header ($f)
1278	or return;	1801	or return;
1279		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
		1805
1280	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1281		1807
1282	1	1808	1
1283	}	1809	}
1284		1810
1285	sub load_orig {	1811	sub load_header_orig {
1286	my ($self) = @_;	1812	my ($self) = @_;
1287		1813
1288	$self->load_header_from ($self->load_path)	1814	$self->load_header_from ($self->load_path)
1289	}	1815	}
1290		1816
1291	sub load_temp {	1817	sub load_header_temp {
1292	my ($self) = @_;	1818	my ($self) = @_;
1293		1819
1294	$self->load_header_from ($self->save_path)	1820	$self->load_header_from ($self->save_path)
		1821	}
		1822
		1823	sub prepare_temp {
		1824	my ($self) = @_;
		1825
		1826	$self->last_access ((delete $self->{last_access})
		1827	|| $cf::RUNTIME); #d#
		1828	# safety
		1829	$self->{instantiate_time} = $cf::RUNTIME
		1830	if $self->{instantiate_time} > $cf::RUNTIME;
		1831	}
		1832
		1833	sub prepare_orig {
		1834	my ($self) = @_;
		1835
		1836	$self->{load_original} = 1;
		1837	$self->{instantiate_time} = $cf::RUNTIME;
		1838	$self->last_access ($cf::RUNTIME);
		1839	$self->instantiate;
1295	}	1840	}
1296		1841
1297	sub load_header {	1842	sub load_header {
1298	my ($self) = @_;	1843	my ($self) = @_;
1299		1844
1300	if ($self->load_temp) {	1845	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1846	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1847	} else {
1307	$self->load_orig	1848	$self->load_header_orig
1308	or return;	1849	or return;
1309		1850	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1851	}
		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
		1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
1315		1858
1316	1	1859	1
1317	}	1860	}
1318		1861
1319	sub find;	1862	sub find;
1320	sub find {	1863	sub find {
1321	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1322		1865
1323	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1324		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1326		1870
1327	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1329	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1330	or return;	1876	or return;
1331		1877
1332	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1333		1879
1334	$map->load_header	1880	$map->load_header
1335	or return;	1881	or return;
1336		1882
1337	if ($map->should_reset) {	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1884	# doing this can freeze the server in a sync job, obviously
		1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1338	$map->reset;	1888	$map->reset;
1339	undef $guard;
1340	$map = find $path	1889	return find $path;
1341	or return;
1342	}	1890	}
1343		1891
1344	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1345	}	1893	}
1346	}	1894	}
		1895
		1896	sub pre_load { }
		1897	sub post_load { }
1347		1898
1348	sub load {	1899	sub load {
1349	my ($self) = @_;	1900	my ($self) = @_;
1350		1901
		1902	local $self->{deny_reset} = 1; # loading can take a long time
		1903
1351	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1353		1908
		1909	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		1911
1356	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1357		1913
1358	$self->alloc;	1914	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	1915
		1916	$self->pre_load;
		1917	cf::cede_to_tick;
		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1360	or return;	1922	or return;
1361		1923
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	1925	if delete $self->{load_original};
1364		1926
1365	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	1928	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	1931	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1370	}	1935	}
1371	}	1936	}
1372		1937
1373	Coro::cede;	1938	$f->resolve_delayed_derefs;
1374		1939
		1940	cf::cede_to_tick;
1375	# now do the right thing for maps	1941	# now do the right thing for maps
1376	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1944	unless $self->difficulty;
1386	Coro::cede;	1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1387	$self->activate;	1954	$self->activate;
1388	}	1955	}
1389		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
		1961	}
		1962
		1963	$self->post_load;
1391	}	1964	}
1392		1965
1393	sub customise_for {	1966	sub customise_for {
1394	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1395		1968
1396	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1970	if $self->per_player;
1398		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1399	$self	1975	$self
1400	}	1976	}
1401		1977
1402	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	1979	sub load_neighbours {
1404	my ($map) = @_;	1980	my ($map) = @_;
1405		1981
1406	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1407		1983
1408	for (0 .. 3) {	1984	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1410	or next;	1986	or next;
1411	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1412	or next;	1988	or next;
1413	$neigh->load;	1989	$neigh->load;
1414		1990
		1991	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	1994	}
1418		1995
1419	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1421	or next;	1999	or next;
1422	$neigh->load;	2000	$neigh->load;
1423	}	2001	}
1424	}	2002	}
1425		2003
…		…
1430	}	2008	}
1431		2009
1432	sub do_load_sync {	2010	sub do_load_sync {
1433	my ($map) = @_;	2011	my ($map) = @_;
1434		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1435	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1436	}	2017	}
1437		2018
1438	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2020	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2021
1452	sub find_async {	2022	sub find_async {
1453	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1454		2024
1455	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1456		2026
1457	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2029	}
		2030
		2031	$MAP_PREFETCH{$path} |= $load;
		2032
		2033	$MAP_PREFETCHER ||= cf::async {
		2034	while (%MAP_PREFETCH) {
		2035	while (my ($k, $v) = each %MAP_PREFETCH) {
		2036	if (my $map = find $k) {
		2037	$map->load if $v;
		2038	}
		2039
		2040	delete $MAP_PREFETCH{$k};
		2041	}
		2042	}
		2043	undef $MAP_PREFETCHER;
1459	}	2044	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2045	$MAP_PREFETCHER->prio (6);
1463		2046
1464	()	2047	()
1465	}	2048	}
1466		2049
1467	sub save {	2050	sub save {
1468	my ($self) = @_;	2051	my ($self) = @_;
1469		2052
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2054
1472	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1473		2056
1474	return unless $self->dirty;	2057	return unless $self->dirty;
1475		2058
…		…
1498	my ($self) = @_;	2081	my ($self) = @_;
1499		2082
1500	# save first because save cedes	2083	# save first because save cedes
1501	$self->save;	2084	$self->save;
1502		2085
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2087
1505	return if $self->players;	2088	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2090	return if $self->{deny_save};
1508		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2096	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2097	}
1512		2098
1513	sub reset_at {	2099	sub reset_at {
1514	my ($self) = @_;	2100	my ($self) = @_;
1515		2101
1516	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1519		2104
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2107
…		…
1527	my ($self) = @_;	2112	my ($self) = @_;
1528		2113
1529	$self->reset_at <= $cf::RUNTIME	2114	$self->reset_at <= $cf::RUNTIME
1530	}	2115	}
1531		2116
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2117	sub reset {
1547	my ($self) = @_;	2118	my ($self) = @_;
1548		2119
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2121
1551	return if $self->players;	2122	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2123
1554	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
		2125
		2126	$self->in_memory (cf::MAP_SWAPPED);
		2127
		2128	# need to save uniques path
		2129	unless ($self->{deny_save}) {
		2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2131
		2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2133	if $uniq;
		2134	}
1555		2135
1556	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1557		2137
		2138	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2139	$_->clear_links_to ($self) for values %cf::MAP;
		2140	$self->clear;
1559		2141
1560	$self->unlink_save;	2142	$self->unlink_save;
1561	$self->destroy;	2143	$self->destroy;
1562	}	2144	}
1563		2145
1564	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1565		2147
1566	sub nuke {	2148	sub nuke {
1567	my ($self) = @_;	2149	my ($self) = @_;
1568		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
		2154	delete $cf::MAP{$self->path};
		2155
		2156	$self->unlink_save;
		2157
		2158	bless $self, "cf::map";
		2159	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2163
		2164	$cf::MAP{$self->path} = $self;
		2165	}
		2166
1572	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1573	}	2204	}
1574		2205
1575	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1576		2207
1577	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2209	instantiated unique items. May block.
1579		2210
1580	=cut	2211	=cut
1581		2212
1582	sub unique_maps() {	2213	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1584	or return;	2215	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2216	utf8::decode $_;
1590	next if /\.pst$/;	2217	/\.map$/
1591	next unless /^$PATH_SEP/o;	2218	? normalise $_
1592		2219	: ()
1593	push @paths, $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2221	]
1595
1596	\@paths
1597	}	2222	}
1598		2223
1599	package cf;	2224	package cf;
1600		2225
1601	=back	2226	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1620	}	2245	}
1621		2246
1622	sub inv_recursive {	2247	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1624	}	2280	}
1625		2281
1626	package cf;	2282	package cf;
1627		2283
1628	=back	2284	=back
…		…
1647		2303
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2305
1650	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1652	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1655	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1656	}	2331	}
1657		2332
1658	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1659		2334
1660	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2367	=cut
1693		2368
1694	sub link_map {	2369	sub link_map {
1695	unless ($LINK_MAP) {	2370	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2371	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2372	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2373	$LINK_MAP->load;
1699	}	2374	}
1700		2375
1701	$LINK_MAP	2376	$LINK_MAP
1702	}	2377	}
…		…
1707	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1708		2383
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2385
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1713		2388
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2390	}
1716		2391
1717	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1719		2396
1720	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1721		2398
1722	unless ($map) {	2399	unless ($map) {
1723	# restore original map position	2400	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1740		2417
1741	$map->load;	2418	$map->load;
1742	$map->load_diag;	2419	$map->load_neighbours;
1743		2420
1744	return unless $self->contr->active;	2421	return unless $self->contr->active;
1745	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1747	}	2426	}
1748		2427
1749	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2429
1753	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1757	};	2434	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2435
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1784		2439
1785	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2445
1788	$self->enter_link;	2446	$self->enter_link;
1789		2447
1790	(async {	2448	(async {
		2449	my $map = eval {
1791	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
1793		2454	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2455	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
1798		2458
		2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
		2465	}
		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1800	})->prio (1);	2473	})->prio (1);
1801	}	2474	}
1802		2475
1803	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1804		2477
…		…
1806		2479
1807	sub parse_random_map_params {	2480	sub parse_random_map_params {
1808	my ($spec) = @_;	2481	my ($spec) = @_;
1809		2482
1810	my $rmp = { # defaults	2483	my $rmp = { # defaults
1811	xsize => 10,	2484	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2485	ysize => (cf::rndm 15, 40),
		2486	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2487	#layout => string,
1813	};	2488	};
1814		2489
1815	for (split /\n/, $spec) {	2490	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2491	my ($k, $v) = split /\s+/, $_, 2;
1817		2492
…		…
1821	$rmp	2496	$rmp
1822	}	2497	}
1823		2498
1824	sub prepare_random_map {	2499	sub prepare_random_map {
1825	my ($exit) = @_;	2500	my ($exit) = @_;
		2501
		2502	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2503
1827	# all this does is basically replace the /! path by	2504	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2505	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2506	# that depends on the exit object
1830		2507
1831	my $rmp = parse_random_map_params $exit->msg;	2508	my $rmp = parse_random_map_params $exit->msg;
1832		2509
1833	if ($exit->map) {	2510	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2511	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2512	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2513	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2514	$rmp->{origin_y} = $exit->y;
1838	}	2515	}
1839		2516
1840	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1841		2518
1842	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
		2521	my $meta = "$RANDOMDIR/$md5.meta";
1844		2522
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
		2525	undef $fh;
		2526	aio_rename "$meta~", $meta;
1847		2527
1848	$exit->slaying ("?random/$md5");	2528	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2529	$exit->msg (undef);
1850	}	2530	}
1851	}	2531	}
…		…
1853	sub cf::object::player::enter_exit {	2533	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2534	my ($self, $exit) = @_;
1855		2535
1856	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1857		2537
		2538	if ($exit->slaying eq "/!") {
		2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
		2542	cf::sync_job { prepare_random_map $exit };
		2543	}
		2544
		2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2546	my $hp = $exit->stats->hp;
		2547	my $sp = $exit->stats->sp;
		2548
1858	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1859		2554
1860	(async {	2555	(async {
1861	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2557	unless (eval {
1863	prepare_random_map $exit	2558	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2559
1869	1;	2560	1;
1870	}) {	2561	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2566
1876	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2568	$self->leave_link;
1878	}	2569	}
1879	})->prio (1);	2570	})->prio (1);
…		…
1892		2583
1893	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1895		2586
1896	utf8::encode $text;	2587	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2589	}
1899		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
1900		2706
1901	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1902		2708
1903	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2712
1907	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2714	become reliable at some point in the future.
1909		2715
1910	=cut	2716	=cut
1911		2717
1912	sub cf::client::query {	2718	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2727	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2729
1924	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
1926	}	2734	}
1927		2735
1928	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
1929	on_reply => sub {	2742	on_reply => sub {
1930	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
1931		2744
1932	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
1933	# get handled first	2746	# get handled first
1934	my $queue = delete $ns->{query_queue}	2747	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2748	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2749
1937	(shift @$queue)->[1]->($msg);	2750	(shift @$queue)->[1]->($msg);
		2751	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2752
1939	push @{ $ns->{query_queue} }, @$queue;	2753	push @{ $ns->{query_queue} }, @$queue;
1940		2754
1941	if (@{ $ns->{query_queue} } == @$queue) {	2755	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2756	if (@$queue) {
…		…
1944	} else {	2758	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2760	}
1947	}	2761	}
1948	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
1949	);	2789	);
1950		2790
1951	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
1952		2792
1953	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
1996		2836
1997	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
1998		2838
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2000		2844
2001	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2002		2846
2003	=pod	2847	=pod
2004		2848
2005	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2006		2850
2007	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2008	cf::object::player player	2855	cf::object::player
2009	cf::player peaceful	2856	player
2010	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2011		2863
2012	=cut	2864	=cut
2013		2865
2014	for (	2866	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2016	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2019	) {	2873	) {
2020	no strict 'refs';	2874	no strict 'refs';
…		…
2091	=back	2945	=back
2092		2946
2093	=cut	2947	=cut
2094		2948
2095	#############################################################################	2949	#############################################################################
		2950	# the server's init and main functions
2096		2951
2097	=head2 EXTENSION DATABASE SUPPORT	2952	sub load_facedata($) {
		2953	my ($path) = @_;
2098		2954
2099	Crossfire maintains a very simple database for extension use. It can	2955	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	2956	# for this (global event?)
2101	excludes objects.	2957	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		2958
2103	The parameter C<$family> should best start with the name of the extension	2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		2960
2106	=over 4	2961	warn "loading facedata from $path\n";
2107		2962
2108	=item $hashref = cf::db_get $family	2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
2109		2966
2110	Return a hashref for use by the extension C<$family>, which can be	2967	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		2968
2114	=item $value = cf::db_get $family => $key	2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		2971
2116	Returns a single value from the database	2972	# patch in the exptable
2117		2973	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	2974	type => FT_RSRC,
2119		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	2976	};
		2977	cf::cede_to_tick;
2169		2978
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	2979	{
		2980	my $faces = $facedata->{faceinfo};
2174		2981
2175	sub db_get($;$) {	2982	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	2984	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	2985	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		2988
2181	sub db_put($$;$) {	2989	cf::cede_to_tick;
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	2990	}
2195	);
2196	}
2197		2991
2198	#############################################################################	2992	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2993	next unless $info->{smooth};
		2994	my $idx = cf::face::find $face
		2995	or next;
		2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2999	} else {
		3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3001	}
2200		3002
2201	sub cfg_load {	3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
		3067	1
		3068	}
		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
		3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
		3112	sub reload_resources {
		3113	warn "reloading resource files...\n";
		3114
		3115	reload_regions;
		3116	reload_facedata;
		3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
		3122	}
		3123
		3124	sub init {
		3125	reload_resources;
		3126	}
		3127
		3128	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3130	or return;
2204		3131
2205	local $/;	3132	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2207		3134
…		…
2221		3148
2222	sub main {	3149	sub main {
2223	# we must not ever block the main coroutine	3150	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3151	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3152	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3153	(async {
2226	async { Event::one_event };	3154	Event::one_event;
		3155	})->prio (Coro::PRIO_MAX);
2227	};	3156	};
2228		3157
2229	cfg_load;	3158	reload_config;
2230	db_load;	3159	db_init;
2231	load_extensions;	3160	load_extensions;
		3161
		3162	$TICK_WATCHER->start;
2232	Event::loop;	3163	Event::loop;
2233	}	3164	}
2234		3165
2235	#############################################################################	3166	#############################################################################
2236	# initialisation and cleanup	3167	# initialisation and cleanup
2237		3168
2238	# install some emergency cleanup handlers	3169	# install some emergency cleanup handlers
2239	BEGIN {	3170	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3171	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3172	Event->signal (
		3173	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3174	data => WF_AUTOCANCEL,
2243	signal => $signal,	3175	signal => $signal,
		3176	prio => 0,
2244	cb => sub {	3177	cb => sub {
2245	cf::cleanup "SIG$signal";	3178	cf::cleanup "SIG$signal";
2246	},	3179	},
2247	);	3180	);
2248	}	3181	}
2249	}	3182	}
2250		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2251	sub emergency_save() {	3222	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2253		3224
2254	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2255		3226
2256	cf::sync_job {	3227	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3228	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3229	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3230	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3231	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3232	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3233	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3234	$pl->valid or next;
2264	$pl->save;	3235	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3241	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3242	$map->valid or next;
2272	$map->save;	3243	$map->save;
2273	}	3244	}
2274	warn "end emergency map save\n";	3245	warn "end emergency map save\n";
		3246
		3247	warn "begin emergency database checkpoint\n";
		3248	BDB::db_env_txn_checkpoint $DB_ENV;
		3249	warn "end emergency database checkpoint\n";
2275	};	3250	};
2276		3251
2277	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2278	}	3253	}
2279		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2280	sub reload() {	3262	sub do_reload_perl() {
2281	# can/must only be called in main	3263	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3265	warn "can only reload from main coroutine";
2284	return;	3266	return;
2285	}	3267	}
2286		3268
2287	warn "reloading...";	3269	warn "reloading...";
2288		3270
2289	warn "freezing server";	3271	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2292		3277
2293	warn "sync database to disk";	3278	warn "syncing database to disk";
2294	cf::db_sync;	3279	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3280
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3281	# if anything goes wrong in here, we should simply crash as we already saved
2299		3282
2300	warn "cancel all watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3286	}
2304		3287
		3288	warn "flushing outstanding aio requests";
		3289	for (;;) {
		3290	BDB::flush;
		3291	IO::AIO::flush;
		3292	Coro::cede;
		3293	last unless IO::AIO::nreqs || BDB::nreqs;
		3294	warn "iterate...";
		3295	}
		3296
		3297	++$RELOAD;
		3298
2305	warn "cancel all extension coros";	3299	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3301	%EXT_CORO = ();
2308		3302
2309	warn "remove commands";	3303	warn "removing commands";
2310	%COMMAND = ();	3304	%COMMAND = ();
2311		3305
2312	warn "remove ext commands";	3306	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2314		3309
2315	warn "unload/nuke all extensions";	3310	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2318		3313
2319	if (my $cb = $pkg->can ("unload")) {	3314	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3315	eval {
…		…
2325		3320
2326	warn "... nuking $pkg";	3321	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3322	Symbol::delete_package $pkg;
2328	}	3323	}
2329		3324
2330	warn "unload all perl modules loaded from $LIBDIR";	3325	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3326	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3327	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3328
2334	warn "removing <$k>";	3329	warn "... unloading $k";
2335	delete $INC{$k};	3330	delete $INC{$k};
2336		3331
2337	$k =~ s/\.pm$//;	3332	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3333	$k =~ s/\//::/g;
2339		3334
…		…
2342	}	3337	}
2343		3338
2344	Symbol::delete_package $k;	3339	Symbol::delete_package $k;
2345	}	3340	}
2346		3341
2347	warn "get rid of safe::, as good as possible";	3342	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3345
2351	warn "unload cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2353		3349
2354	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3351	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2357		3353
		3354	warn "unload completed, starting to reload now";
		3355
2358	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2359	require cf;	3357	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3359
2362	warn "load config and database again";	3360	warn "loading config and database again";
2363	cf::cfg_load;	3361	cf::reload_config;
2364	cf::db_load;
2365		3362
2366	warn "load extensions";	3363	warn "loading extensions";
2367	cf::load_extensions;	3364	cf::load_extensions;
2368		3365
2369	warn "reattach attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3367	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3368	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
2373	};	3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2374		3372
2375	if ($@) {	3373	warn "leaving sync_job";
		3374
		3375	1
		3376	} or do {
2376	warn $@;	3377	warn $@;
2377	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2378	exit 1;	3379	exit 1;
2379	}	3380	};
2380		3381
2381	warn "reloaded";	3382	warn "reloaded";
2382	};	3383	};
2383		3384
		3385	our $RELOAD_WATCHER; # used only during reload
		3386
		3387	sub reload_perl() {
		3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
		3390
		3391	$RELOAD_WATCHER ||= Event->timer (
		3392	reentrant => 0,
		3393	after => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => sub {
		3396	do_reload_perl;
		3397	undef $RELOAD_WATCHER;
		3398	},
		3399	);
		3400	}
		3401
2384	register_command "reload" => sub {	3402	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2386		3404
2387	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3406	$who->message ("reloading server.");
		3407	async { reload_perl };
2391	}	3408	}
2392	};	3409	};
2393		3410
2394	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2395		3412
		3413	my $bug_warning = 0;
		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3439	reentrant => 0,
		3440	parked => 1,
2398	prio => 0,	3441	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3443	data => WF_AUTOCANCEL,
2401	cb => sub {	3444	cb => sub {
		3445	if ($Coro::current != $Coro::main) {
		3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3447	unless ++$bug_warning > 10;
		3448	return;
		3449	}
		3450
2402	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2403		3452
2404	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2405	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2407		3480
2408	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3483	Coro::async_pool {
		3484	write_runtime
		3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
		3487	}
		3488
		3489	# my $AFTER = Event::time;
		3490	# warn $AFTER - $NOW;#d#
		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
2410		3500
2411	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3503
2414	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2416	},	3513	},
2417	);	3514	);
2418		3515
		3516	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3517	BDB::max_poll_time $TICK * 0.1;
2420		3518	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3519	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3520	fd => BDB::poll_fileno,
2423	poll => 'r',	3521	poll => 'r',
2424	prio => 5,	3522	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3523	data => WF_AUTOCANCEL,
2431	after => 0,	3524	cb => \&BDB::poll_cb,
2432	interval => 10,	3525	);
2433	cb => sub {	3526	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3527
2435	write_runtime	3528	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3529	my $status;
		3530	my $current = $Coro::current;
		3531	(
		3532	sub {
		3533	$status = $!;
		3534	$current->ready; undef $current;
		3535	},
		3536	sub {
		3537	Coro::schedule while defined $current;
		3538	$! = $status;
		3539	},
		3540	)
		3541	};
		3542
		3543	unless ($DB_ENV) {
		3544	$DB_ENV = BDB::db_env_create;
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556
		3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3558	$DB_ENV->set_lk_detect;
		3559	};
		3560
		3561	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3562	};
2438	},	3563	}
2439	);	3564	}
		3565
		3566	{
		3567	IO::AIO::min_parallel 8;
		3568
		3569	undef $Coro::AIO::WATCHER;
		3570	IO::AIO::max_poll_time $TICK * 0.1;
		3571	$AIO_POLL_WATCHER = Event->io (
		3572	reentrant => 0,
		3573	data => WF_AUTOCANCEL,
		3574	fd => IO::AIO::poll_fileno,
		3575	poll => 'r',
		3576	prio => 6,
		3577	cb => \&IO::AIO::poll_cb,
		3578	);
		3579	}
		3580
		3581	my $_log_backtrace;
		3582
		3583	sub _log_backtrace {
		3584	my ($msg, @addr) = @_;
		3585
		3586	$msg =~ s/\n//;
		3587
		3588	# limit the # of concurrent backtraces
		3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
		3616	}
		3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2440		3621
2441	END { cf::emergency_save }	3622	END { cf::emergency_save }
2442		3623
2443	1	3624	1
2444		3625

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