ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 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; # all users
58	our %MAP; # all maps	93	our %MAP; # 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).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
230		286
231	=cut	287	=cut
232		288
233	our %LOCK;	289	our %LOCK;
234		290
…		…
254	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
256	}	312	}
257	}	313	}
258		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
259	sub freeze_mainloop {	321	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
261		323
262	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
263	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
264	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
265	}	385	}
266		386
267	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
268		388
269	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		394
275	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
276		396
277	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
278		398
279	The design of crossfire+ requires that the main coro ($Coro::main) is	399	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	400	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.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
282		403
283	If it must be done, put the blocking parts into C<sync_job>. This will run	404	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	405	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	406	server will be frozen during this time, so the block should either finish
286	fast or be very important.	407	fast or be very important.
…		…
289		410
290	sub sync_job(&) {	411	sub sync_job(&) {
291	my ($job) = @_;	412	my ($job) = @_;
292		413
293	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
294	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
296		419
297	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
309		432
310	while ($busy) {	433	while ($busy) {
311	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
312	}	435	}
313		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
314	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
315	} else {	445	} else {
316	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
317		447
318	$job->()	448	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
338		468
339	$coro	469	$coro
340	}	470	}
341		471
342	sub write_runtime {	472	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		473
345	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
346		478
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
348	or return;
349		480
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	481	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	482	my ($cb, @args) = @_;
352	and return;
353		483
354	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
355	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
356		487
357	close $fh	488	my @res = Coro::Util::fork_eval {
358	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
359		492
360	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
361	and return;	494	}
362		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
363	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	621	}
365		622
366	=back	623	=back
367		624
368	=cut	625	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
377		634
378	In the following description, CLASS can be any of C<global>, C<object>	635	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	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	637	Crossfire TRT).
381		638
382	=over 4	639	=over 4
383		640
384	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
385		642
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	757	our @CB_MAP = ();
501		758
502	my %attachment;	759	my %attachment;
503		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
504	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
506		769
507	use sort 'stable';	770	use sort 'stable';
508		771
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
543		806
544	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		811
549	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	813	my $pkg = shift @arg;
551		814
552	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
582	}	845	}
583		846
584	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
585	} else {	848	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	850	}
588		851
589	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
590	}	853	}
591		854
…		…
593	if (ref $_[0]) {	856	if (ref $_[0]) {
594	_object_attach @_;	857	_object_attach @_;
595	} else {	858	} else {
596	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
597	}	860	}
		861	_recalc_want;
598	};	862	};
599		863
600	# all those should be optimised	864	# all those should be optimised
601	sub cf::attachable::detach {	865	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
606	reattach ($obj);	870	reattach ($obj);
607	} else {	871	} else {
608	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
609	}	873	}
		874	_recalc_want;
610	};	875	};
611		876
612	sub cf::attachable::attached {	877	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
614		879
…		…
629	";	894	";
630	die if $@;	895	die if $@;
631	}	896	}
632		897
633	our $override;	898	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		900
636	sub override {	901	sub override {
637	$override = 1;	902	$override = 1;
638	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
639	}	904	}
640		905
641	sub do_invoke {	906	sub do_invoke {
642	my $event = shift;	907	my $event = shift;
643	my $callbacks = shift;	908	my $callbacks = shift;
644		909
645	@invoke_results = ();	910	@INVOKE_RESULTS = ();
646		911
647	local $override;	912	local $override;
648		913
649	for (@$callbacks) {	914	for (@$callbacks) {
650	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
667		932
668	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
669		934
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	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	936	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		938
674	=back	939	=back
675		940
676	=cut	941	=cut
677		942
678	#############################################################################	943	#############################################################################
679	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
680		956
681	sub reattach {	957	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		962
685	my $registry = $obj->registry;	963	my $registry = $obj->registry;
686		964
687	@$registry = ();	965	@$registry = ();
688		966
…		…
735	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
736		1014
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1019	close $fh;
742		1020
743	if (@$objs) {	1021	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1027	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
751	}	1029	}
752	} else {	1030	} else {
753	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
785	or return;	1063	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1065	}
788		1066
789	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1069	return ($data, $av);
792	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
793		1077
794	#############################################################################	1078	#############################################################################
795	# command handling &c	1079	# command handling &c
796		1080
797	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1095	}
812		1096
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1098
815	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
816		1104
817	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
818	called.	1106	called.
819		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
820	=cut	1119	=cut
821		1120
822	sub register_extcmd {	1121	sub register_extcmd {
823	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
824		1123
825	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
826	}	1131	}
827		1132
828	cf::player->attach (	1133	cf::player->attach (
829	on_command => sub {	1134	on_command => sub {
830	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1144	cf::override;
840	},	1145	},
841	on_extcmd => sub {	1146	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
843		1148
844	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1150
846	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
852	} else {	1166	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1168	}
855		1169
856	cf::override;	1170	cf::override;
857	},	1171	},
858	);	1172	);
859		1173
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 {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
895	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1179	next unless -r $path;
897	eval {	1180
898	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
899	1	1238	}
900	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
901	}	1244	};
902	}	1245	}
903		1246
904	#############################################################################	1247	#############################################################################
905	# load/save/clean perl data associated with a map
906		1248
907	*cf::mapsupport::on_clean = sub {	1249	=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		1250
920	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
921		1252
922	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
923		1254
…		…
936	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
937		1268
938	=cut	1269	=cut
939		1270
940	sub playerdir($) {	1271	sub playerdir($) {
941	cf::localdir	1272	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1274	}
947		1275
948	sub path($) {	1276	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1278
951	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
952	}	1280	}
953		1281
954	sub find_active($) {	1282	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
959		1287
960	sub exists($) {	1288	sub exists($) {
961	my ($login) = @_;	1289	my ($login) = @_;
962		1290
963	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
965	}	1293	}
966		1294
967	sub find($) {	1295	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1297	my $login = $_[0];
970		1298
971	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
972		1300
973	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
974	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
975	or return;	1310	or return;
976	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
977	}	1312	}
978	}	1313	}
…		…
990		1325
991	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
993		1328
994	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
995	Coro::cede;	1330	cf::cede_to_tick;
996	}	1331	}
997		1332
998	sub new($) {	1333	sub new($) {
999	my ($login) = @_;	1334	my ($login) = @_;
1000		1335
…		…
1006	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1007		1342
1008	$self	1343	$self
1009	}	1344	}
1010		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1011	=item $pl->quit_character	1356	=item $pl->quit_character
1012		1357
1013	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1015		1360
1016	=cut	1361	=cut
1017		1362
1018	sub quit_character {	1363	sub quit_character {
1019	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1020		1367
1021	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1370
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1034	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1035	}	1402	}
1036		1403
1037	=item cf::player::list_logins	1404	=item cf::player::list_logins
1038		1405
1039	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1041		1408
1042	=cut	1409	=cut
1043		1410
1044	sub list_logins {	1411	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1413	or return [];
1047		1414
1048	my @logins;	1415	my @logins;
1049		1416
1050	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1067	=cut	1434	=cut
1068		1435
1069	sub maps($) {	1436	sub maps($) {
1070	my ($pl) = @_;	1437	my ($pl) = @_;
1071		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1072	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1073	or return;	1442	or return;
1074		1443
1075	my @paths;	1444	my @paths;
1076		1445
1077	for (@$files) {	1446	for (@$files) {
1078	utf8::decode $_;	1447	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1081		1450
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1451	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1452	}
1084		1453
1085	\@paths	1454	\@paths
1086	}	1455	}
1087		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1089		1509
1090	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1091		1511
1092	=cut	1512	=cut
1093		1513
1094	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1096		1516
1097	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1518	}
1101		1519
1102	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1103		1560
1104	=back	1561	=back
1105
1106		1562
1107	=head3 cf::map	1563	=head3 cf::map
1108		1564
1109	=over 4	1565	=over 4
1110		1566
…		…
1114		1570
1115	use Fcntl;	1571	use Fcntl;
1116	use Coro::AIO;	1572	use Coro::AIO;
1117		1573
1118	use overload	1574	use overload
1119	'""' => \&as_string;	1575	'""' => \&as_string,
		1576	fallback => 1;
1120		1577
1121	our $MAX_RESET = 3600;	1578	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1579	our $DEFAULT_RESET = 3000;
1123		1580
1124	sub generate_random_map {	1581	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1582	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1583	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1584	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1596	)
1141	}	1597	}
1142		1598
		1599	=item cf::map->register ($regex, $prio)
		1600
		1601	Register a handler for the map path matching the given regex at the
		1602	givne priority (higher is better, built-in handlers have priority 0, the
		1603	default).
		1604
		1605	=cut
		1606
1143	sub register {	1607	sub register {
1144	my (undef, $regex) = @_;	1608	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1609	my $pkg = caller;
1146		1610
1147	no strict;	1611	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1612	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1613
1150	$EXT_MAP{$pkg} = qr<$regex>;	1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1615	}
1152		1616
1153	# also paths starting with '/'	1617	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1619
		1620	sub thawer_merge {
		1621	my ($self, $merge) = @_;
		1622
		1623	# we have to keep some variables in memory intact
		1624	local $self->{path};
		1625	local $self->{load_path};
		1626
		1627	$self->SUPER::thawer_merge ($merge);
		1628	}
1155		1629
1156	sub normalise {	1630	sub normalise {
1157	my ($path, $base) = @_;	1631	my ($path, $base) = @_;
		1632
		1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
1158		1636
1159	# map plan:	1637	# map plan:
1160	#	1638	#
1161	# /! non-realised random map exit (special hack!)	1639	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1640	# {... are special paths that are not being touched
…		…
1190		1668
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1669	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1670
1193	$path = normalise $path, $base;	1671	$path = normalise $path, $base;
1194		1672
1195	for my $pkg (keys %EXT_MAP) {	1673	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1674	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1675	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1676	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1200	return $self;	1678	return $self;
1201	}	1679	}
1202	}	1680	}
1203		1681
1204	Carp::carp "unable to resolve path '$path'.";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1683	()
1206	}	1684	}
1207		1685
1208	sub init {	1686	sub init {
1209	my ($self) = @_;	1687	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1698	# the displayed name, this is a one way mapping
1221	sub visible_name {	1699	sub visible_name {
1222	&as_string	1700	&as_string
1223	}	1701	}
1224		1702
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1703	# the original (read-only) location
1233	sub load_path {	1704	sub load_path {
1234	my ($self) = @_;	1705	my ($self) = @_;
1235		1706
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1237	}	1708	}
1238		1709
1239	# the temporary/swap location	1710	# the temporary/swap location
1240	sub save_path {	1711	sub save_path {
1241	my ($self) = @_;	1712	my ($self) = @_;
1242		1713
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1715	"$TMPDIR/$path.map"
1244	}	1716	}
1245		1717
1246	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1247	sub uniq_path {	1719	sub uniq_path {
1248	my ($self) = @_;	1720	my ($self) = @_;
1249		1721
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1723	"$UNIQUEDIR/$path"
1251	}	1724	}
1252		1725
1253	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1254	# all maps in C++...	1727	# all maps in C++...
1255	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1257		1730
1258	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1260	}	1733	}
1261		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
1262	sub unlink_save {	1743	sub unlink_save {
1263	my ($self) = @_;	1744	my ($self) = @_;
1264		1745
1265	utf8::encode (my $save = $self->save_path);	1746	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1748	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1749	}
1269		1750
1270	sub load_header_from($) {	1751	sub load_header_from($) {
1271	my ($self, $path) = @_;	1752	my ($self, $path) = @_;
1272		1753
1273	utf8::encode $path;	1754	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
1275	or return;	1756	# or return;
1276		1757
1277	$self->_load_header ($path)	1758	$self->_load_header ($path)
1278	or return;	1759	or return;
1279		1760
1280	$self->{load_path} = $path;	1761	$self->{load_path} = $path;
1281		1762
1282	1	1763	1
1283	}	1764	}
1284		1765
1285	sub load_orig {	1766	sub load_header_orig {
1286	my ($self) = @_;	1767	my ($self) = @_;
1287		1768
1288	$self->load_header_from ($self->load_path)	1769	$self->load_header_from ($self->load_path)
1289	}	1770	}
1290		1771
1291	sub load_temp {	1772	sub load_header_temp {
1292	my ($self) = @_;	1773	my ($self) = @_;
1293		1774
1294	$self->load_header_from ($self->save_path)	1775	$self->load_header_from ($self->save_path)
		1776	}
		1777
		1778	sub prepare_temp {
		1779	my ($self) = @_;
		1780
		1781	$self->last_access ((delete $self->{last_access})
		1782	|| $cf::RUNTIME); #d#
		1783	# safety
		1784	$self->{instantiate_time} = $cf::RUNTIME
		1785	if $self->{instantiate_time} > $cf::RUNTIME;
		1786	}
		1787
		1788	sub prepare_orig {
		1789	my ($self) = @_;
		1790
		1791	$self->{load_original} = 1;
		1792	$self->{instantiate_time} = $cf::RUNTIME;
		1793	$self->last_access ($cf::RUNTIME);
		1794	$self->instantiate;
1295	}	1795	}
1296		1796
1297	sub load_header {	1797	sub load_header {
1298	my ($self) = @_;	1798	my ($self) = @_;
1299		1799
1300	if ($self->load_temp) {	1800	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1801	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1802	} else {
1307	$self->load_orig	1803	$self->load_header_orig
1308	or return;	1804	or return;
1309		1805	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1806	}
		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
		1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
1315		1813
1316	1	1814	1
1317	}	1815	}
1318		1816
1319	sub find;	1817	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1333		1831
1334	$map->load_header	1832	$map->load_header
1335	or return;	1833	or return;
1336		1834
1337	if ($map->should_reset) {	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1836	# doing this can freeze the server in a sync job, obviously
		1837	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1838	$map->reset;
1339	undef $guard;	1839	undef $guard;
1340	$map = find $path	1840	return find $path;
1341	or return;
1342	}	1841	}
1343		1842
1344	$cf::MAP{$path} = $map	1843	$cf::MAP{$path} = $map
1345	}	1844	}
1346	}	1845	}
		1846
		1847	sub pre_load { }
		1848	sub post_load { }
1347		1849
1348	sub load {	1850	sub load {
1349	my ($self) = @_;	1851	my ($self) = @_;
1350		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1351	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1352	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1353		1860
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1862
1356	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1357		1864
1358	$self->alloc;	1865	$self->alloc;
		1866
		1867	$self->pre_load;
		1868	cf::cede_to_tick;
		1869
1359	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1360	or return;	1871	or return;
1361		1872
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	1874	if delete $self->{load_original};
1364		1875
1365	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	1877	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;	1879	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1370	}	1881	}
1371	}	1882	}
1372		1883
1373	Coro::cede;	1884	cf::cede_to_tick;
1374
1375	# now do the right thing for maps	1885	# now do the right thing for maps
1376	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1377
1378	unless ($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)	1887	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1888	unless $self->difficulty;
1386	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1387	$self->activate;	1898	$self->activate;
1388	}	1899	}
1389		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
		1905	}
		1906
		1907	$self->post_load;
1391	}	1908	}
1392		1909
1393	sub customise_for {	1910	sub customise_for {
1394	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1395		1912
1396	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1914	if $self->per_player;
1398		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1399	$self	1919	$self
1400	}	1920	}
1401		1921
1402	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	1923	sub load_neighbours {
1404	my ($map) = @_;	1924	my ($map) = @_;
1405		1925
1406	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1407		1927
1408	for (0 .. 3) {	1928	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1410	or next;	1930	or next;
1411	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1412	or next;	1932	or next;
1413	$neigh->load;	1933	$neigh->load;
1414		1934
		1935	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	1938	}
1418		1939
1419	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1421	or next;	1943	or next;
1422	$neigh->load;	1944	$neigh->load;
1423	}	1945	}
1424	}	1946	}
1425		1947
…		…
1430	}	1952	}
1431		1953
1432	sub do_load_sync {	1954	sub do_load_sync {
1433	my ($map) = @_;	1955	my ($map) = @_;
1434		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1435	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1436	}	1961	}
1437		1962
1438	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1964	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		1965
1452	sub find_async {	1966	sub find_async {
1453	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1454		1968
1455	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1456		1970
1457	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1973	}
		1974
		1975	$MAP_PREFETCH{$path} |= $load;
		1976
		1977	$MAP_PREFETCHER ||= cf::async {
		1978	while (%MAP_PREFETCH) {
		1979	while (my ($k, $v) = each %MAP_PREFETCH) {
		1980	if (my $map = find $k) {
		1981	$map->load if $v;
		1982	}
		1983
		1984	delete $MAP_PREFETCH{$k};
		1985	}
		1986	}
		1987	undef $MAP_PREFETCHER;
1459	}	1988	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	1989	$MAP_PREFETCHER->prio (6);
1463		1990
1464	()	1991	()
1465	}	1992	}
1466		1993
1467	sub save {	1994	sub save {
1468	my ($self) = @_;	1995	my ($self) = @_;
1469		1996
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1998
1472	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1473		2000
1474	return unless $self->dirty;	2001	return unless $self->dirty;
1475		2002
…		…
1498	my ($self) = @_;	2025	my ($self) = @_;
1499		2026
1500	# save first because save cedes	2027	# save first because save cedes
1501	$self->save;	2028	$self->save;
1502		2029
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2031
1505	return if $self->players;	2032	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2034	return if $self->{deny_save};
1508		2035
…		…
1512		2039
1513	sub reset_at {	2040	sub reset_at {
1514	my ($self) = @_;	2041	my ($self) = @_;
1515		2042
1516	# TODO: safety, remove and allow resettable per-player maps	2043	# 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};	2044	return 1e99 if $self->{deny_reset};
1519		2045
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2048
…		…
1527	my ($self) = @_;	2053	my ($self) = @_;
1528		2054
1529	$self->reset_at <= $cf::RUNTIME	2055	$self->reset_at <= $cf::RUNTIME
1530	}	2056	}
1531		2057
1532	sub rename {
1533	my ($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	$self->save;
1544	}
1545
1546	sub reset {	2058	sub reset {
1547	my ($self) = @_;	2059	my ($self) = @_;
1548		2060
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2062
1551	return if $self->players;	2063	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2064
1554	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1555		2076
1556	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
		2078
		2079	$self->clear;
1557		2080
1558	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1559		2082
1560	$self->unlink_save;	2083	$self->unlink_save;
1561	$self->destroy;	2084	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1565		2088
1566	sub nuke {	2089	sub nuke {
1567	my ($self) = @_;	2090	my ($self) = @_;
1568		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
		2095	delete $cf::MAP{$self->path};
		2096
		2097	$self->unlink_save;
		2098
		2099	bless $self, "cf::map";
		2100	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2104
		2105	$cf::MAP{$self->path} = $self;
		2106	}
		2107
1572	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1573	}	2145	}
1574		2146
1575	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1576		2148
1577	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2150	instantiated unique items. May block.
1579		2151
1580	=cut	2152	=cut
1581		2153
1582	sub unique_maps() {	2154	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1584	or return;	2156	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2157	utf8::decode $_;
1590	next if /\.pst$/;	2158	/\.map$/
1591	next unless /^$PATH_SEP/o;	2159	? normalise $_
1592		2160	: ()
1593	push @paths, $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2162	]
1595
1596	\@paths
1597	}	2163	}
1598		2164
1599	package cf;	2165	package cf;
1600		2166
1601	=back	2167	=back
…		…
1647		2213
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2215
1650	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1652	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1655	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1656	}	2241	}
1657		2242
1658	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1659		2244
1660	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2277	=cut
1693		2278
1694	sub link_map {	2279	sub link_map {
1695	unless ($LINK_MAP) {	2280	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2281	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2283	$LINK_MAP->load;
1699	}	2284	}
1700		2285
1701	$LINK_MAP	2286	$LINK_MAP
1702	}	2287	}
…		…
1707	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1708		2293
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2295
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1713		2298
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2300	}
1716		2301
1717	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1719		2306
1720	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1721		2308
1722	unless ($map) {	2309	unless ($map) {
1723	# restore original map position	2310	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1740		2327
1741	$map->load;	2328	$map->load;
1742	$map->load_diag;	2329	$map->load_neighbours;
1743		2330
1744	return unless $self->contr->active;	2331	return unless $self->contr->active;
1745	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1747	}	2336	}
1748		2337
1749	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2339
1753	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1757	};	2344	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2345
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	2346	=cut
		2347
		2348	our $GOTOGEN;
1784		2349
1785	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2355
1788	$self->enter_link;	2356	$self->enter_link;
1789		2357
1790	(async {	2358	(async {
		2359	my $map = eval {
1791	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
1793		2364	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2365	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1798		2368
		2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1800	})->prio (1);	2383	})->prio (1);
1801	}	2384	}
1802		2385
1803	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1804		2387
…		…
1806		2389
1807	sub parse_random_map_params {	2390	sub parse_random_map_params {
1808	my ($spec) = @_;	2391	my ($spec) = @_;
1809		2392
1810	my $rmp = { # defaults	2393	my $rmp = { # defaults
1811	xsize => 10,	2394	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2395	ysize => (cf::rndm 15, 40),
		2396	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2397	#layout => string,
1813	};	2398	};
1814		2399
1815	for (split /\n/, $spec) {	2400	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2401	my ($k, $v) = split /\s+/, $_, 2;
1817		2402
…		…
1821	$rmp	2406	$rmp
1822	}	2407	}
1823		2408
1824	sub prepare_random_map {	2409	sub prepare_random_map {
1825	my ($exit) = @_;	2410	my ($exit) = @_;
		2411
		2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2413
1827	# all this does is basically replace the /! path by	2414	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2415	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2416	# that depends on the exit object
1830		2417
1831	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1832		2419
1833	if ($exit->map) {	2420	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1838	}	2425	}
1839		2426
1840	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1841		2428
1842	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
		2431	my $meta = "$RANDOMDIR/$md5.meta";
1844		2432
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
		2435	undef $fh;
		2436	aio_rename "$meta~", $meta;
1847		2437
1848	$exit->slaying ("?random/$md5");	2438	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2439	$exit->msg (undef);
1850	}	2440	}
1851	}	2441	}
…		…
1853	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1855		2445
1856	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1857		2447
		2448	if ($exit->slaying eq "/!") {
		2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
		2452	cf::sync_job { prepare_random_map $exit };
		2453	}
		2454
		2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2456	my $hp = $exit->stats->hp;
		2457	my $sp = $exit->stats->sp;
		2458
1858	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1859		2464
1860	(async {	2465	(async {
1861	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2467	unless (eval {
1863	prepare_random_map $exit	2468	$self->goto ($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		2469
1869	1;	2470	1;
1870	}) {	2471	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2474	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2476
1876	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2478	$self->leave_link;
1878	}	2479	}
1879	})->prio (1);	2480	})->prio (1);
…		…
1892		2493
1893	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1895		2496
1896	utf8::encode $text;	2497	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2499	}
1899		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
		2582	=item $client->ext_msg ($type, @msg)
		2583
		2584	Sends an ext event to the client.
		2585
		2586	=cut
		2587
		2588	sub cf::client::ext_msg($$@) {
		2589	my ($self, $type, @msg) = @_;
		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
		2594	push @msg, msgtype => "event_$type";
		2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
		2615	}
1900		2616
1901	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
1902		2618
1903	Queues a query to the client, calling the given callback with	2619	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>,	2620	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>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2622
1907	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2624	become reliable at some point in the future.
1909		2625
1910	=cut	2626	=cut
1911		2627
1912	sub cf::client::query {	2628	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2637	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2639
1924	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
1926	}	2644	}
1927		2645
1928	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
1929	on_reply => sub {	2652	on_reply => sub {
1930	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
1931		2654
1932	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
1933	# get handled first	2656	# get handled first
1934	my $queue = delete $ns->{query_queue}	2657	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2658	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2659
1937	(shift @$queue)->[1]->($msg);	2660	(shift @$queue)->[1]->($msg);
		2661	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2662
1939	push @{ $ns->{query_queue} }, @$queue;	2663	push @{ $ns->{query_queue} }, @$queue;
1940		2664
1941	if (@{ $ns->{query_queue} } == @$queue) {	2665	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2666	if (@$queue) {
…		…
1944	} else {	2668	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2670	}
1947	}	2671	}
1948	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
1949	);	2699	);
1950		2700
1951	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
1952		2702
1953	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
1996		2746
1997	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
1998		2748
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2000		2754
2001	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2002		2756
2003	=pod	2757	=pod
2004		2758
2005	The following fucntions and emthods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2006		2760
2007	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2008	cf::object::player player	2765	cf::object::player
2009	cf::player peaceful	2766	player
2010	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2011		2773
2012	=cut	2774	=cut
2013		2775
2014	for (	2776	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2016	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2019	) {	2783	) {
2020	no strict 'refs';	2784	no strict 'refs';
…		…
2091	=back	2855	=back
2092		2856
2093	=cut	2857	=cut
2094		2858
2095	#############################################################################	2859	#############################################################################
		2860	# the server's init and main functions
2096		2861
2097	=head2 EXTENSION DATABASE SUPPORT	2862	sub load_facedata($) {
		2863	my ($path) = @_;
2098		2864
2099	Crossfire maintains a very simple database for extension use. It can	2865	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	2866	# for this (global event?)
2101	excludes objects.	2867	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		2868
2103	The parameter C<$family> should best start with the name of the extension	2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		2870
2106	=over 4	2871	warn "loading facedata from $path\n";
2107		2872
2108	=item $hashref = cf::db_get $family	2873	my $facedata;
		2874	0 < aio_load $path, $facedata
		2875	or die "$path: $!";
2109		2876
2110	Return a hashref for use by the extension C<$family>, which can be	2877	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		2878
2114	=item $value = cf::db_get $family => $key	2879	$facedata->{version} == 2
		2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		2881
2116	Returns a single value from the database	2882	# patch in the exptable
2117		2883	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	2884	type => FT_RSRC,
2119		2885	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	});	2886	};
		2887	cf::cede_to_tick;
2169		2888
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	2889	{
		2890	my $faces = $facedata->{faceinfo};
2174		2891
2175	sub db_get($;$) {	2892	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	2894	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	2895	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		2898
2181	sub db_put($$;$) {	2899	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	},	2900	}
2195	);
2196	}
2197		2901
2198	#############################################################################	2902	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2903	next unless $info->{smooth};
		2904	my $idx = cf::face::find $face
		2905	or next;
		2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
		2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2909	} else {
		2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2911	}
2200		2912
2201	sub cfg_load {	2913	cf::cede_to_tick;
		2914	}
		2915	}
		2916
		2917	{
		2918	my $anims = $facedata->{animinfo};
		2919
		2920	while (my ($anim, $info) = each %$anims) {
		2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2922	cf::cede_to_tick;
		2923	}
		2924
		2925	cf::anim::invalidate_all; # d'oh
		2926	}
		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
		2977	1
		2978	}
		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
		3007	sub reload_archetypes {
		3008	load_resource_file "$DATADIR/archetypes"
		3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	}
		3016
		3017	sub reload_treasures {
		3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
		3020	}
		3021
		3022	sub reload_resources {
		3023	warn "reloading resource files...\n";
		3024
		3025	reload_regions;
		3026	reload_facedata;
		3027	#reload_archetypes;#d#
		3028	reload_archetypes;
		3029	reload_treasures;
		3030
		3031	warn "finished reloading resource files\n";
		3032	}
		3033
		3034	sub init {
		3035	reload_resources;
		3036	}
		3037
		3038	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3040	or return;
2204		3041
2205	local $/;	3042	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
2207		3044
…		…
2221		3058
2222	sub main {	3059	sub main {
2223	# we must not ever block the main coroutine	3060	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3061	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3063	(async {
2226	async { Event::one_event };	3064	Event::one_event;
		3065	})->prio (Coro::PRIO_MAX);
2227	};	3066	};
2228		3067
2229	cfg_load;	3068	reload_config;
2230	db_load;	3069	db_init;
2231	load_extensions;	3070	load_extensions;
		3071
		3072	$TICK_WATCHER->start;
2232	Event::loop;	3073	Event::loop;
2233	}	3074	}
2234		3075
2235	#############################################################################	3076	#############################################################################
2236	# initialisation and cleanup	3077	# initialisation and cleanup
2237		3078
2238	# install some emergency cleanup handlers	3079	# install some emergency cleanup handlers
2239	BEGIN {	3080	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3081	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3082	Event->signal (
		3083	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3084	data => WF_AUTOCANCEL,
2243	signal => $signal,	3085	signal => $signal,
		3086	prio => 0,
2244	cb => sub {	3087	cb => sub {
2245	cf::cleanup "SIG$signal";	3088	cf::cleanup "SIG$signal";
2246	},	3089	},
2247	);	3090	);
2248	}	3091	}
2249	}	3092	}
2250		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
		3130	}
		3131
2251	sub emergency_save() {	3132	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2253		3134
2254	warn "enter emergency perl save\n";	3135	warn "enter emergency perl save\n";
2255		3136
2256	cf::sync_job {	3137	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3138	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3139	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3140	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3141	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3142	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3143	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3144	$pl->valid or next;
2264	$pl->save;	3145	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3151	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3152	$map->valid or next;
2272	$map->save;	3153	$map->save;
2273	}	3154	}
2274	warn "end emergency map save\n";	3155	warn "end emergency map save\n";
		3156
		3157	warn "begin emergency database checkpoint\n";
		3158	BDB::db_env_txn_checkpoint $DB_ENV;
		3159	warn "end emergency database checkpoint\n";
2275	};	3160	};
2276		3161
2277	warn "leave emergency perl save\n";	3162	warn "leave emergency perl save\n";
2278	}	3163	}
2279		3164
		3165	sub post_cleanup {
		3166	my ($make_core) = @_;
		3167
		3168	warn Carp::longmess "post_cleanup backtrace"
		3169	if $make_core;
		3170	}
		3171
2280	sub reload() {	3172	sub do_reload_perl() {
2281	# can/must only be called in main	3173	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3175	warn "can only reload from main coroutine";
2284	return;	3176	return;
2285	}	3177	}
2286		3178
2287	warn "reloading...";	3179	warn "reloading...";
2288		3180
2289	warn "freezing server";	3181	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3182
		3183	cf::sync_job {
		3184	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3185	cf::emergency_save;
		3186	cf::write_runtime; # external watchdog should not bark
2292		3187
2293	warn "sync database to disk";	3188	warn "syncing database to disk";
2294	cf::db_sync;	3189	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3190
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3191	# if anything goes wrong in here, we should simply crash as we already saved
2299		3192
2300	warn "cancel all watchers";	3193	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3194	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3195	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3196	}
2304		3197
		3198	warn "flushing outstanding aio requests";
		3199	for (;;) {
		3200	BDB::flush;
		3201	IO::AIO::flush;
		3202	Coro::cede;
		3203	last unless IO::AIO::nreqs || BDB::nreqs;
		3204	warn "iterate...";
		3205	}
		3206
		3207	++$RELOAD;
		3208
2305	warn "cancel all extension coros";	3209	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3210	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3211	%EXT_CORO = ();
2308		3212
2309	warn "remove commands";	3213	warn "removing commands";
2310	%COMMAND = ();	3214	%COMMAND = ();
2311		3215
2312	warn "remove ext commands";	3216	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3217	%EXTCMD = ();
		3218	%EXTICMD = ();
2314		3219
2315	warn "unload/nuke all extensions";	3220	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3221	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3222	warn "... unloading $pkg";
2318		3223
2319	if (my $cb = $pkg->can ("unload")) {	3224	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3225	eval {
…		…
2325		3230
2326	warn "... nuking $pkg";	3231	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3232	Symbol::delete_package $pkg;
2328	}	3233	}
2329		3234
2330	warn "unload all perl modules loaded from $LIBDIR";	3235	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3236	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3238
2334	warn "removing <$k>";	3239	warn "... unloading $k";
2335	delete $INC{$k};	3240	delete $INC{$k};
2336		3241
2337	$k =~ s/\.pm$//;	3242	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3243	$k =~ s/\//::/g;
2339		3244
…		…
2342	}	3247	}
2343		3248
2344	Symbol::delete_package $k;	3249	Symbol::delete_package $k;
2345	}	3250	}
2346		3251
2347	warn "get rid of safe::, as good as possible";	3252	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3255
2351	warn "unload cf.pm \"a bit\"";	3256	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2353		3259
2354	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3261	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2357		3263
		3264	warn "unload completed, starting to reload now";
		3265
2358	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2359	require cf;	3267	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3269
2362	warn "load config and database again";	3270	warn "loading config and database again";
2363	cf::cfg_load;	3271	cf::reload_config;
2364	cf::db_load;
2365		3272
2366	warn "load extensions";	3273	warn "loading extensions";
2367	cf::load_extensions;	3274	cf::load_extensions;
2368		3275
2369	warn "reattach attachments to objects/players";	3276	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3277	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3278	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3279	reattach $_ for values %MAP;
2373	};	3280	warn "reattaching attachments to players";
		3281	reattach $_ for values %PLAYER;
2374		3282
2375	if ($@) {	3283	warn "leaving sync_job";
		3284
		3285	1
		3286	} or do {
2376	warn $@;	3287	warn $@;
2377	warn "error while reloading, exiting.";	3288	warn "error while reloading, exiting.";
2378	exit 1;	3289	exit 1;
2379	}	3290	};
2380		3291
2381	warn "reloaded";	3292	warn "reloaded";
2382	};	3293	};
2383		3294
		3295	our $RELOAD_WATCHER; # used only during reload
		3296
		3297	sub reload_perl() {
		3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
		3300
		3301	$RELOAD_WATCHER ||= Event->timer (
		3302	reentrant => 0,
		3303	after => 0,
		3304	data => WF_AUTOCANCEL,
		3305	cb => sub {
		3306	do_reload_perl;
		3307	undef $RELOAD_WATCHER;
		3308	},
		3309	);
		3310	}
		3311
2384	register_command "reload" => sub {	3312	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2386		3314
2387	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3316	$who->message ("reloading server.");
		3317	async { reload_perl };
2391	}	3318	}
2392	};	3319	};
2393		3320
2394	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2395		3322
		3323	my $bug_warning = 0;
		3324
		3325	our @WAIT_FOR_TICK;
		3326	our @WAIT_FOR_TICK_BEGIN;
		3327
		3328	sub wait_for_tick {
		3329	return unless $TICK_WATCHER->is_active;
		3330	return if $Coro::current == $Coro::main;
		3331
		3332	my $signal = new Coro::Signal;
		3333	push @WAIT_FOR_TICK, $signal;
		3334	$signal->wait;
		3335	}
		3336
		3337	sub wait_for_tick_begin {
		3338	return unless $TICK_WATCHER->is_active;
		3339	return if $Coro::current == $Coro::main;
		3340
		3341	my $signal = new Coro::Signal;
		3342	push @WAIT_FOR_TICK_BEGIN, $signal;
		3343	$signal->wait;
		3344	}
		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3349	reentrant => 0,
		3350	parked => 1,
2398	prio => 0,	3351	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3353	data => WF_AUTOCANCEL,
2401	cb => sub {	3354	cb => sub {
		3355	if ($Coro::current != $Coro::main) {
		3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3357	unless ++$bug_warning > 10;
		3358	return;
		3359	}
		3360
2402	$NOW = Event::time;	3361	$NOW = $tick_start = Event::time;
2403		3362
2404	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2405	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2407		3390
2408	$WAIT_FOR_TICK->broadcast;	3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3393	Coro::async_pool {
		3394	write_runtime
		3395	or warn "ERROR: unable to write runtime file: $!";
		3396	};
		3397	}
		3398
		3399	# my $AFTER = Event::time;
		3400	# warn $AFTER - $NOW;#d#
		3401
		3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3403	$sig->send;
		3404	}
		3405	while (my $sig = shift @WAIT_FOR_TICK) {
		3406	$sig->send;
		3407	}
		3408
		3409	$NOW = Event::time;
2410		3410
2411	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3413
2414	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2416	},	3423	},
2417	);	3424	);
2418		3425
		3426	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3427	BDB::max_poll_time $TICK * 0.1;
2420		3428	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3429	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3430	fd => BDB::poll_fileno,
2423	poll => 'r',	3431	poll => 'r',
2424	prio => 5,	3432	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3433	data => WF_AUTOCANCEL,
2431	after => 0,	3434	cb => \&BDB::poll_cb,
2432	interval => 10,	3435	);
2433	cb => sub {	3436	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3437
2435	write_runtime	3438	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3439	my $status;
		3440	my $current = $Coro::current;
		3441	(
		3442	sub {
		3443	$status = $!;
		3444	$current->ready; undef $current;
		3445	},
		3446	sub {
		3447	Coro::schedule while defined $current;
		3448	$! = $status;
		3449	},
		3450	)
		3451	};
		3452
		3453	unless ($DB_ENV) {
		3454	$DB_ENV = BDB::db_env_create;
		3455
		3456	cf::sync_job {
		3457	eval {
		3458	BDB::db_env_open
		3459	$DB_ENV,
		3460	$BDBDIR,
		3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3463	0666;
		3464
		3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3466
		3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3468	$DB_ENV->set_lk_detect;
		3469	};
		3470
		3471	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3472	};
2438	},	3473	}
2439	);	3474	}
		3475
		3476	{
		3477	IO::AIO::min_parallel 8;
		3478
		3479	undef $Coro::AIO::WATCHER;
		3480	IO::AIO::max_poll_time $TICK * 0.1;
		3481	$AIO_POLL_WATCHER = Event->io (
		3482	reentrant => 0,
		3483	data => WF_AUTOCANCEL,
		3484	fd => IO::AIO::poll_fileno,
		3485	poll => 'r',
		3486	prio => 6,
		3487	cb => \&IO::AIO::poll_cb,
		3488	);
		3489	}
		3490
		3491	my $_log_backtrace;
		3492
		3493	sub _log_backtrace {
		3494	my ($msg, @addr) = @_;
		3495
		3496	$msg =~ s/\n//;
		3497
		3498	# limit the # of concurrent backtraces
		3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
		3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
		3526	}
		3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
2440		3531
2441	END { cf::emergency_save }	3532	END { cf::emergency_save }
2442		3533
2443	1	3534	1
2444		3535

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines