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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 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 Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
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::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
		32	use YAML ();
24	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	34	use Time::HiRes;
27	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
28		37
		38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		43
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		45
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		47
40	our %COMMAND = ();	48	our %COMMAND = ();
41	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
42		50
43	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
48	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
49	our @EVENT;	58	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		59
52	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53	our $TICK_WATCHER;	74	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	77	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		79
60	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	84	our $DB_ENV;
62		85
63	our %CFG;	86	our %CFG;
64		87
65	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
67		91
68	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		95
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		102
80	binmode STDOUT;	103	binmode STDOUT;
81	binmode STDERR;	104	binmode STDERR;
82		105
83	# read virtual server time, if available	106	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
88	}	111	}
89		112
90	mkdir cf::localdir;	113	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		115
97	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
98		117
99	sub cf::map::normalise;	118	sub cf::map::normalise;
100		119
…		…
111	=item $cf::RUNTIME	130	=item $cf::RUNTIME
112		131
113	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
114	every server tick.	133	every server tick.
115		134
116	=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
117		138
118	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		143
121	=item $cf::NOW	144	=item $cf::NOW
122		145
123	The time of the last (current) server tick.	146	The time of the last (current) server tick.
124		147
125	=item $cf::TICK	148	=item $cf::TICK
126		149
127	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
128		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.
		161
129	=item %cf::CFG	162	=item %cf::CFG
130		163
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	165	from wherever your confdir points to.
133		166
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		168
136	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
137	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
138	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.
139	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.
140		178
141	=back	179	=back
142		180
143	=cut	181	=cut
144		182
145	BEGIN {	183	BEGIN {
146	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	185	my $msg = join "", @_;
148	utf8::encode $msg;
149		186
150	$msg .= "\n"	187	$msg .= "\n"
151	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
152		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
153	LOG llevError, $msg;	192	LOG llevError, $msg;
154	};	193	};
155	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
156		200
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	205	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		206	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	207	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		208
164	# we bless all objects into (empty) derived classes to force a method lookup	209	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	210	# within the Safe compartment.
166	for my $pkg (qw(	211	for my $pkg (qw(
167	cf::global cf::attachable	212	cf::global cf::attachable
…		…
172	)) {	217	)) {
173	no strict 'refs';	218	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	220	}
176		221
177	$Event::DIED = sub {	222	$EV::DIED = sub {
178	warn "error in event callback: @_";	223	warn "error in event callback: @_";
179	};	224	};
		225
		226	#############################################################################
180		227
181	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
182		229
183	=over 4	230	=over 4
184		231
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	251	$d
205	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
206	}	253	}
207		254
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
211		256
212	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
213		258
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
222		260
223	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
224		262
225	=cut	263	=cut
226		264
227	sub to_json($) {	265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	266
229	JSON::Syck::Dump $_[0]	267	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	268	sub decode_json($) { $json_coder->decode ($_[0]) }
231		269
232	=item cf::lock_wait $string	270	=item cf::lock_wait $string
233		271
234	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
235		273
…		…
238	Wait until the given lock is available and then acquires it and returns	276	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
241	returned.	279	returned.
242		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
243	Lock names should begin with a unique identifier (for example, cf::map::find	284	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
245		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
246	=cut	291	=cut
247		292
248	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
249		295
250	sub lock_wait($) {	296	sub lock_wait($) {
251	my ($key) = @_;	297	my ($key) = @_;
		298
		299	if ($LOCKER{$key} == $Coro::current) {#d#
		300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		301	return;#d#
		302	}#d#
252		303
253	# wait for lock, if any	304	# wait for lock, if any
254	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	307	Coro::schedule;
…		…
262		313
263	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
264	lock_wait $key;	315	lock_wait $key;
265		316
266	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
267		319
268	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
271	}	324	}
		325	}
		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
272	}	331	}
273		332
274	sub freeze_mainloop {	333	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
276		335
…		…
279	};	338	};
280	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
281	$guard	340	$guard
282	}	341	}
283		342
		343	=item cf::periodic $interval, $cb
		344
		345	Like EV::periodic, but randomly selects a starting point so that the actions
		346	get spread over timer.
		347
		348	=cut
		349
		350	sub periodic($$) {
		351	my ($interval, $cb) = @_;
		352
		353	my $start = rand List::Util::min 180, $interval;
		354
		355	EV::periodic $start, $interval, 0, $cb
		356	}
		357
		358	=item cf::get_slot $time[, $priority[, $name]]
		359
		360	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		361	This call blocks and returns only when you have at least C<$time> seconds
		362	of cpu time till the next tick. The slot is only valid till the next cede.
		363
		364	The optional C<$name> can be used to identify the job to run. It might be
		365	used for statistical purposes and should identify the same time-class.
		366
		367	Useful for short background jobs.
		368
		369	=cut
		370
		371	our @SLOT_QUEUE;
		372	our $SLOT_QUEUE;
		373
		374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		375	$SLOT_QUEUE = Coro::async {
		376	$Coro::current->desc ("timeslot manager");
		377
		378	my $signal = new Coro::Signal;
		379
		380	while () {
		381	next_job:
		382	my $avail = cf::till_tick;
		383	if ($avail > 0.01) {
		384	for (0 .. $#SLOT_QUEUE) {
		385	if ($SLOT_QUEUE[$_][0] < $avail) {
		386	my $job = splice @SLOT_QUEUE, $_, 1, ();
		387	$job->[2]->send;
		388	Coro::cede;
		389	goto next_job;
		390	}
		391	}
		392	}
		393
		394	if (@SLOT_QUEUE) {
		395	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		396	push @cf::WAIT_FOR_TICK, $signal;
		397	$signal->wait;
		398	} else {
		399	Coro::schedule;
		400	}
		401	}
		402	};
		403
		404	sub get_slot($;$$) {
		405	my ($time, $pri, $name) = @_;
		406
		407	$time = $TICK * .6 if $time > $TICK * .6;
		408	my $sig = new Coro::Signal;
		409
		410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		412	$SLOT_QUEUE->ready;
		413	$sig->wait;
		414	}
		415
284	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
285		417
286	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	419	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	420	thing you are allowed to do is call C<prio> on it.
…		…
291		423
292	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
293		425
294	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
295		427
296	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
299		432
300	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
303	fast or be very important.	436	fast or be very important.
…		…
306		439
307	sub sync_job(&) {	440	sub sync_job(&) {
308	my ($job) = @_;	441	my ($job) = @_;
309		442
310	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
311	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
313		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
314	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	452	# (but this is cancel-safe)
316	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
317		454
318	my $busy = 1;	455	my $busy = 1;
319	my @res;	456	my @res;
320		457
321	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	460	@res = eval { $job->() };
323	warn $@ if $@;	461	warn $@ if $@;
324	undef $busy;	462	undef $busy;
325	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
326		464
327	while ($busy) {	465	while ($busy) {
328	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
329	}	470	}
		471	}
		472
		473	$time = EV::time - $time;
		474
		475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		477
		478	$tick_start += $time; # do not account sync jobs to server load
330		479
331	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
332	} else {	481	} else {
333	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
334		483
…		…
354	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
355		504
356	$coro	505	$coro
357	}	506	}
358		507
359	sub write_runtime {	508	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		509
362	my $runtime = cf::localdir . "/runtime";	510	Executes the given code block with the given arguments in a seperate
		511	process, returning the results. Everything must be serialisable with
		512	Coro::Storable. May, of course, block. Note that the executed sub may
		513	never block itself or use any form of event handling.
363		514
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	515	=cut
365	or return;
366		516
367	my $value = $cf::RUNTIME + 90 + 10;	517	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	518	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		519
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	520	# we seemingly have to make a local copy of the whole thing,
372	and return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
373		523
374	# always fsync - this file is important	524	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	525	reset_signals;
376	and return;	526	&$cb
		527	}, @args;
377		528
378	close $fh	529	wantarray ? @res : $res[-1]
379	or return;	530	}
380		531
381	aio_rename "$runtime~", $runtime	532	=item $value = cf::db_get $family => $key
382	and return;
383		533
		534	Returns a single value from the environment database.
		535
		536	=item cf::db_put $family => $key => $value
		537
		538	Stores the given C<$value> in the family. It can currently store binary
		539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		540
		541	=item $db = cf::db_table "name"
		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		549	my ($name) = @_;
		550	my $db = BDB::db_create $DB_ENV;
		551
		552	eval {
		553	$db->set_flags (BDB::CHKSUM);
		554
		555	utf8::encode $name;
		556	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		557	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		558	cf::cleanup "db_open(db): $!" if $!;
		559	};
		560	cf::cleanup "db_open(db): $@" if $@;
		561
		562	$db
		563	}
		564
		565	our $DB;
		566
		567	sub db_init {
		568	cf::sync_job {
		569	$DB ||= db_table "db";
		570	};
		571	}
		572
		573	sub db_get($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
384	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		585	BDB::dbreq_pri 4;
		586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		587	}
		588
		589	=item cf::cache $id => [$paths...], $processversion => $process
		590
		591	Generic caching function that returns the value of the resource $id,
		592	caching and regenerating as required.
		593
		594	This function can block.
		595
		596	=cut
		597
		598	sub cache {
		599	my ($id, $src, $processversion, $process) = @_;
		600
		601	my $meta =
		602	join "\x00",
		603	$processversion,
		604	map {
		605	aio_stat $_
		606	and Carp::croak "$_: $!";
		607
		608	($_, (stat _)[7,9])
		609	} @$src;
		610
		611	my $dbmeta = db_get cache => "$id/meta";
		612	if ($dbmeta ne $meta) {
		613	# changed, we may need to process
		614
		615	my @data;
		616	my $md5;
		617
		618	for (0 .. $#$src) {
		619	0 <= aio_load $src->[$_], $data[$_]
		620	or Carp::croak "$src->[$_]: $!";
		621	}
		622
		623	# if processing is expensive, check
		624	# checksum first
		625	if (1) {
		626	$md5 =
		627	join "\x00",
		628	$processversion,
		629	map {
		630	cf::cede_to_tick;
		631	($src->[$_], Digest::MD5::md5_hex $data[$_])
		632	} 0.. $#$src;
		633
		634
		635	my $dbmd5 = db_get cache => "$id/md5";
		636	if ($dbmd5 eq $md5) {
		637	db_put cache => "$id/meta", $meta;
		638
		639	return db_get cache => "$id/data";
		640	}
		641	}
		642
		643	my $t1 = Time::HiRes::time;
		644	my $data = $process->(\@data);
		645	my $t2 = Time::HiRes::time;
		646
		647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		648
		649	db_put cache => "$id/data", $data;
		650	db_put cache => "$id/md5" , $md5;
		651	db_put cache => "$id/meta", $meta;
		652
		653	return $data;
		654	}
		655
		656	db_get cache => "$id/data"
		657	}
		658
		659	=item cf::datalog type => key => value, ...
		660
		661	Log a datalog packet of the given type with the given key-value pairs.
		662
		663	=cut
		664
		665	sub datalog($@) {
		666	my ($type, %kv) = @_;
		667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	668	}
386		669
387	=back	670	=back
388		671
389	=cut	672	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	679	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
398		681
399	In the following description, CLASS can be any of C<global>, C<object>	682	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	683	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	684	Deliantra).
402		685
403	=over 4	686	=over 4
404		687
405	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
406		689
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
570		853
571	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		858
576	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	860	my $pkg = shift @arg;
578		861
579	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
609	}	892	}
610		893
611	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
612	} else {	895	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	897	}
615		898
616	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
617	}	900	}
618		901
…		…
620	if (ref $_[0]) {	903	if (ref $_[0]) {
621	_object_attach @_;	904	_object_attach @_;
622	} else {	905	} else {
623	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
624	}	907	}
		908	_recalc_want;
625	};	909	};
626		910
627	# all those should be optimised	911	# all those should be optimised
628	sub cf::attachable::detach {	912	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
633	reattach ($obj);	917	reattach ($obj);
634	} else {	918	} else {
635	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
636	}	920	}
		921	_recalc_want;
637	};	922	};
638		923
639	sub cf::attachable::attached {	924	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
641		926
…		…
656	";	941	";
657	die if $@;	942	die if $@;
658	}	943	}
659		944
660	our $override;	945	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	946	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		947
663	sub override {	948	sub override {
664	$override = 1;	949	$override = 1;
665	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
666	}	951	}
667		952
668	sub do_invoke {	953	sub do_invoke {
669	my $event = shift;	954	my $event = shift;
670	my $callbacks = shift;	955	my $callbacks = shift;
671		956
672	@invoke_results = ();	957	@INVOKE_RESULTS = ();
673		958
674	local $override;	959	local $override;
675		960
676	for (@$callbacks) {	961	for (@$callbacks) {
677	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
686	}	971	}
687		972
688	0	973	0
689	}	974	}
690		975
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		977
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		979
695	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
696		981
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	982	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	983	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		985
701	=back	986	=back
702		987
703	=cut	988	=cut
704		989
705	#############################################################################	990	#############################################################################
706	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
707		1034
708	sub reattach {	1035	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1037	my ($obj) = @_;
711		1038
…		…
732	cf::attachable->attach (	1059	cf::attachable->attach (
733	prio => -1000000,	1060	prio => -1000000,
734	on_instantiate => sub {	1061	on_instantiate => sub {
735	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
736		1063
737	$data = from_json $data;	1064	$data = decode_json $data;
738		1065
739	for (@$data) {	1066	for (@$data) {
740	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
741		1068
742	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1085	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
760		1087
761	sync_job {	1088	sync_job {
762	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
765		1093
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1097	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1098	close $fh;
771		1099
772	if (@$objs) {	1100	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1105	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1106	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
780	}	1108	}
…		…
788	}	1116	}
789	} else {	1117	} else {
790	aio_unlink $filename;	1118	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
792	}	1120	}
793	}	1121	};
794	}	1122	}
795		1123
796	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
798		1126
…		…
810	or return;	1138	or return;
811		1139
812	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
814	or return;	1142	or return;
		1143
815	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
816	}	1146	}
817		1147
		1148	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
820	return ($data, $av);	1152	($data, $av)
821	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
822		1160
823	#############################################################################	1161	#############################################################################
824	# command handling &c	1162	# command handling &c
825		1163
826	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1178	}
841		1179
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1181
844	Register a callbackf ro execution when the client sends an extcmd packet.	1182	Register a callback for execution when the client sends an (synchronous)
		1183	extcmd packet. Ext commands will be processed in the order they are
		1184	received by the server, like other user commands. The first argument is
		1185	the logged-in player. Ext commands can only be processed after a player
		1186	has logged in successfully.
845		1187
846	If the callback returns something, it is sent back as if reply was being	1188	If the callback returns something, it is sent back as if reply was being
847	called.	1189	called.
848		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
849	=cut	1202	=cut
850		1203
851	sub register_extcmd {	1204	sub register_extcmd {
852	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
853		1206
854	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
855	}	1214	}
856		1215
857	cf::player->attach (	1216	cf::player->attach (
858	on_command => sub {	1217	on_command => sub {
859	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1227	cf::override;
869	},	1228	},
870	on_extcmd => sub {	1229	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
872		1231
873	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1233
875	if (ref $msg) {	1234	if (ref $msg) {
		1235	my ($type, $reply, @payload) =
		1236	"ARRAY" eq ref $msg
		1237	? @$msg
		1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1239
		1240	my @reply;
		1241
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
881	} else {	1249	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1251	}
884		1252
885	cf::override;	1253	cf::override;
886	},	1254	},
887	);	1255	);
888		1256
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
924	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1262	next unless -r $path;
926	eval {	1263
927	load_extension $ext;	1264	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1265	my $base = $1;
		1266	my $pkg = $1;
		1267	$pkg =~ s/[^[:word:]]/_/g;
		1268	$pkg = "ext::$pkg";
		1269
		1270	open my $fh, "<:utf8", $path
		1271	or die "$path: $!";
		1272
		1273	my $source = do { local $/; <$fh> };
		1274
		1275	my %ext = (
		1276	path => $path,
		1277	base => $base,
		1278	pkg => $pkg,
		1279	);
		1280
		1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1283
		1284	$ext{source} =
		1285	"package $pkg; use strict; use utf8;\n"
		1286	. "#line 1 \"$path\"\n{\n"
		1287	. $source
		1288	. "\n};\n1";
		1289
		1290	$todo{$base} = \%ext;
		1291	}
		1292
		1293	my %done;
		1294	while (%todo) {
		1295	my $progress;
		1296
		1297	while (my ($k, $v) = each %todo) {
		1298	for (split /,\s*/, $v->{meta}{depends}) {
		1299	goto skip
		1300	unless exists $done{$_};
		1301	}
		1302
		1303	warn "... loading '$k' into '$v->{pkg}'\n";
		1304
		1305	unless (eval $v->{source}) {
		1306	my $msg = $@ ? "$v->{path}: $@\n"
		1307	: "$v->{base}: extension inactive.\n";
		1308
		1309	if (exists $v->{meta}{mandatory}) {
		1310	warn $msg;
		1311	warn "mandatory extension failed to load, exiting.\n";
		1312	exit 1;
		1313	}
		1314
		1315	warn $msg;
		1316	}
		1317
		1318	$done{$k} = delete $todo{$k};
		1319	push @EXTS, $v->{pkg};
		1320	$progress = 1;
928	1	1321	}
929	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
930	}	1327	};
931	}	1328	}
932		1329
933	#############################################################################	1330	#############################################################################
934		1331
		1332	=back
		1333
935	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
936		1335
937	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
938		1337
939	=cut	1338	=cut
…		…
944		1343
945	=head3 cf::player	1344	=head3 cf::player
946		1345
947	=over 4	1346	=over 4
948		1347
		1348	=item cf::player::num_playing
		1349
		1350	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1351
		1352	=cut
		1353
		1354	sub num_playing {
		1355	scalar grep
		1356	$_->ob->map
		1357	&& !$_->hidden
		1358	&& !$_->ob->flag (cf::FLAG_WIZ),
		1359	cf::player::list
		1360	}
		1361
949	=item cf::player::find $login	1362	=item cf::player::find $login
950		1363
951	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
952		1365
953	=cut	1366	=cut
954		1367
955	sub playerdir($) {	1368	sub playerdir($) {
956	cf::localdir	1369	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1371	}
962		1372
963	sub path($) {	1373	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1375
966	(playerdir $login) . "/$login.pl"	1376	(playerdir $login) . "/playerdata"
967	}	1377	}
968		1378
969	sub find_active($) {	1379	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1380	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1381	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1394	my $login = $_[0];
985		1395
986	my $guard = cf::lock_acquire "user_find:$login";	1396	my $guard = cf::lock_acquire "user_find:$login";
987		1397
988	$cf::PLAYER{$_[0]} || do {	1398	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1399	# rename old playerfiles to new ones
		1400	#TODO: remove when no longer required
		1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1404	aio_unlink +(playerdir $login) . "/$login.pl";
		1405
		1406	my $f = new_from_file cf::object::thawer path $login
990	or return;	1407	or return;
		1408
		1409	my $pl = cf::player::load_pl $f
		1410	or return;
		1411	local $cf::PLAYER_LOADING{$login} = $pl;
		1412	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
992	}	1414	}
993	}	1415	}
994	}	1416	}
995		1417
…		…
1005		1427
1006	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
1008		1430
1009	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1010	Coro::cede;	1432	cf::cede_to_tick;
1011	}	1433	}
1012		1434
1013	sub new($) {	1435	sub new($) {
1014	my ($login) = @_;	1436	my ($login) = @_;
1015		1437
…		…
1019	$self->{deny_save} = 1;	1441	$self->{deny_save} = 1;
1020		1442
1021	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1022		1444
1023	$self	1445	$self
		1446	}
		1447
		1448	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1449
		1450	=cut
		1451
		1452	sub send_msg {
		1453	my $ns = shift->ns
		1454	or return;
		1455	$ns->send_msg (@_);
1024	}	1456	}
1025		1457
1026	=item $pl->quit_character	1458	=item $pl->quit_character
1027		1459
1028	Nukes the player without looking back. If logged in, the connection will	1460	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1078		1510
1079	=cut	1511	=cut
1080		1512
1081	sub list_logins {	1513	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1515	or return [];
1084		1516
1085	my @logins;	1517	my @logins;
1086		1518
1087	for my $login (@$dirs) {	1519	for my $login (@$dirs) {
		1520	my $path = path $login;
		1521
		1522	# a .pst is a dead give-away for a valid player
		1523	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1091		1528
1092	utf8::decode $login;	1529	utf8::decode $login;
1093	push @logins, $login;	1530	push @logins, $login;
1094	}	1531	}
1095		1532
…		…
1122	}	1559	}
1123		1560
1124	\@paths	1561	\@paths
1125	}	1562	}
1126		1563
		1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1565
		1566	Expand crossfire pod fragments into protocol xml.
		1567
		1568	=cut
		1569
		1570	use re 'eval';
		1571
		1572	my $group;
		1573	my $interior; $interior = qr{
		1574	# match a pod interior sequence sans C<< >>
		1575	(?:
		1576	\ (.*?)\ (?{ $group = $^N })
		1577	| < (??{$interior}) >
		1578	)
		1579	}x;
		1580
		1581	sub expand_cfpod {
		1582	my ($self, $pod) = @_;
		1583
		1584	my $xml;
		1585
		1586	while () {
		1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1588	$group = $1;
		1589
		1590	$group =~ s/&/&amp;/g;
		1591	$group =~ s/</&lt;/g;
		1592
		1593	$xml .= $group;
		1594	} elsif ($pod =~ m%\G
		1595	([BCGHITU])
		1596	<
		1597	(?:
		1598	([^<>]*) (?{ $group = $^N })
		1599	| < $interior >
		1600	)
		1601	>
		1602	%gcsx
		1603	) {
		1604	my ($code, $data) = ($1, $group);
		1605
		1606	if ($code eq "B") {
		1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1608	} elsif ($code eq "I") {
		1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1610	} elsif ($code eq "U") {
		1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1612	} elsif ($code eq "C") {
		1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1614	} elsif ($code eq "T") {
		1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1616	} elsif ($code eq "G") {
		1617	my ($male, $female) = split /\|/, $data;
		1618	$data = $self->gender ? $female : $male;
		1619	$xml .= expand_cfpod ($self, $data);
		1620	} elsif ($code eq "H") {
		1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1623	"")
		1624	[$self->{hintmode}];
		1625	} else {
		1626	$xml .= "error processing '$code($data)' directive";
		1627	}
		1628	} else {
		1629	if ($pod =~ /\G(.+)/) {
		1630	warn "parse error while expanding $pod (at $1)";
		1631	}
		1632	last;
		1633	}
		1634	}
		1635
		1636	for ($xml) {
		1637	# create single paragraphs (very hackish)
		1638	s/(?<=\S)\n(?=\w)/ /g;
		1639
		1640	# compress some whitespace
		1641	s/\s+\n/\n/g; # ws line-ends
		1642	s/\n\n+/\n/g; # double lines
		1643	s/^\n+//; # beginning lines
		1644	s/\n+$//; # ending lines
		1645	}
		1646
		1647	$xml
		1648	}
		1649
		1650	no re 'eval';
		1651
		1652	sub hintmode {
		1653	$_[0]{hintmode} = $_[1] if @_ > 1;
		1654	$_[0]{hintmode}
		1655	}
		1656
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1128		1658
1129	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1130		1660
1131	=cut	1661	=cut
1132		1662
1133	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1135		1665
1136	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1667	}
1140		1668
1141	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		1676	my ($self, $type, @msg) = @_;
		1677
		1678	$self->ns->ext_msg ($type, @msg);
		1679	}
		1680
		1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1142		1709
1143	=back	1710	=back
1144
1145		1711
1146	=head3 cf::map	1712	=head3 cf::map
1147		1713
1148	=over 4	1714	=over 4
1149		1715
…		…
1204	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1205		1771
1206	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1207	local $self->{path};	1773	local $self->{path};
1208	local $self->{load_path};	1774	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1775
1212	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1213	}	1777	}
1214		1778
1215	sub normalise {	1779	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1263	return $self;	1827	return $self;
1264	}	1828	}
1265	}	1829	}
1266		1830
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1832	()
1269	}	1833	}
1270		1834
1271	sub init {	1835	sub init {
1272	my ($self) = @_;	1836	my ($self) = @_;
…		…
1287		1851
1288	# the original (read-only) location	1852	# the original (read-only) location
1289	sub load_path {	1853	sub load_path {
1290	my ($self) = @_;	1854	my ($self) = @_;
1291		1855
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1293	}	1857	}
1294		1858
1295	# the temporary/swap location	1859	# the temporary/swap location
1296	sub save_path {	1860	sub save_path {
1297	my ($self) = @_;	1861	my ($self) = @_;
1298		1862
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1301	}	1865	}
1302		1866
1303	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1304	sub uniq_path {	1868	sub uniq_path {
1305	my ($self) = @_;	1869	my ($self) = @_;
1306		1870
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1309	}	1873	}
1310		1874
1311	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1312	# all maps in C++...	1876	# all maps in C++...
1313	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1315		1879
1316	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1318	}	1882	}
1319		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1320	sub unlink_save {	1892	sub unlink_save {
1321	my ($self) = @_;	1893	my ($self) = @_;
1322		1894
1323	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1899
1328	sub load_header_from($) {	1900	sub load_header_from($) {
1329	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1330		1902
1331	utf8::encode $path;	1903	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1337		1912
1338	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1339		1914
1340	1	1915	1
1341	}	1916	}
…		…
1380	$self->load_header_orig	1955	$self->load_header_orig
1381	or return;	1956	or return;
1382	$self->prepare_orig;	1957	$self->prepare_orig;
1383	}	1958	}
1384		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
1385	1	1966	1
1386	}	1967	}
1387		1968
1388	sub find;	1969	sub find;
1389	sub find {	1970	sub find {
1390	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1391		1972
1392	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1393		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1395		1977
1396	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1979	my $guard1 = cf::lock_acquire "map_find:$path";
		1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1981
1398	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1399	or return;	1983	or return;
1400		1984
1401	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1402		1986
1403	$map->load_header	1987	$map->load_header
1404	or return;	1988	or return;
1405		1989
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1409	$map->reset;	1995	$map->reset;
1410	undef $guard;
1411	return find $path;	1996	return find $path;
1412	}	1997	}
1413		1998
1414	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1415	}	2000	}
…		…
1422	my ($self) = @_;	2007	my ($self) = @_;
1423		2008
1424	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1425		2010
1426	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1428		2015
		2016	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2018
1431	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1432		2020
1433	$self->alloc;	2021	$self->alloc;
1434		2022
1435	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1436		2025
1437	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1438	or return;	2029	or return;
1439		2030
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2032	if delete $self->{load_original};
1442		2033
1443	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2035	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2038	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1448	}	2042	}
1449	}	2043	}
1450		2044
1451	Coro::cede;	2045	$f->resolve_delayed_derefs;
1452		2046
		2047	cf::cede_to_tick;
1453	# now do the right thing for maps	2048	# now do the right thing for maps
1454	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2051	unless $self->difficulty;
1464	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1465	$self->activate;	2061	$self->activate;
		2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	2068	}
1467		2069
1468	$self->post_load;	2070	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2071	}
1472		2072
1473	sub customise_for {	2073	sub customise_for {
1474	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1475		2075
1476	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2077	if $self->per_player;
1478		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1479	$self	2082	$self
1480	}	2083	}
1481		2084
1482	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2086	sub load_neighbours {
1484	my ($map) = @_;	2087	my ($map) = @_;
1485		2088
1486	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1487		2090
1488	for (0 .. 3) {	2091	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1490	or next;	2093	or next;
1491	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1492	or next;	2095	or next;
1493	$neigh->load;	2096	$neigh->load;
1494		2097
		2098	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2101	}
1498		2102
1499	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1501	or next;	2106	or next;
1502	$neigh->load;	2107	$neigh->load;
1503	}	2108	}
1504	}	2109	}
1505		2110
…		…
1510	}	2115	}
1511		2116
1512	sub do_load_sync {	2117	sub do_load_sync {
1513	my ($map) = @_;	2118	my ($map) = @_;
1514		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1515	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1516	}	2124	}
1517		2125
1518	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1520		2128
1521	sub find_async {	2129	sub find_async {
1522	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1523		2131
1524	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1525		2133
1526	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2136	}
1529		2137
1530	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1531	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1532	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2145	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2146	$map->load if $v;
		2147	}
1537		2148
1538	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1539	}	2150	}
1540	}	2151	}
1541	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1542	};	2153	};
1543	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2157	}
1547		2158
1548	sub save {	2159	sub save {
1549	my ($self) = @_;	2160	my ($self) = @_;
1550		2161
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2163
1553	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1554		2165
1555	return unless $self->dirty;	2166	return unless $self->dirty;
1556		2167
…		…
1562	return if $self->{deny_save};	2173	return if $self->{deny_save};
1563		2174
1564	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1565		2176
1566	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1568	};	2180	};
1569		2181
1570	if ($uniq) {	2182	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2191	my ($self) = @_;
1580		2192
1581	# save first because save cedes	2193	# save first because save cedes
1582	$self->save;	2194	$self->save;
1583		2195
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2197
1586	return if $self->players;	2198	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2200	return if $self->{deny_save};
1589		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2206	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2207	}
1593		2208
1594	sub reset_at {	2209	sub reset_at {
1595	my ($self) = @_;	2210	my ($self) = @_;
1596		2211
1597	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1600		2214
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2217
…		…
1614	my ($self) = @_;	2228	my ($self) = @_;
1615		2229
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2231
1618	return if $self->players;	2232	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2233
1621	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
1622		2235
1623	$self->in_memory (cf::MAP_SWAPPED);	2236	$self->in_memory (cf::MAP_SWAPPED);
1624		2237
1625	# need to save uniques path	2238	# need to save uniques path
1626	unless ($self->{deny_save}) {	2239	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2243	if $uniq;
1631	}	2244	}
1632		2245
1633	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1634		2247
		2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2250	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2251
1639	$self->unlink_save;	2252	$self->unlink_save;
1640	$self->destroy;	2253	$self->destroy;
1641	}	2254	}
1642		2255
1643	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1644		2257
1645	sub nuke {	2258	sub nuke {
1646	my ($self) = @_;	2259	my ($self) = @_;
1647		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1648	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1649		2265
1650	$self->unlink_save;	2266	$self->unlink_save;
1651		2267
1652	bless $self, "cf::map";	2268	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2273
1658	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1659		2276
1660	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
		2278	}
		2279
		2280	=item $maps = cf::map::tmp_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	maps. May block.
		2284
		2285	=cut
		2286
		2287	sub tmp_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise $_
		2293	: ()
		2294	} @{ aio_readdir $TMPDIR or [] }
		2295	]
		2296	}
		2297
		2298	=item $maps = cf::map::random_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	random maps. May block.
		2302
		2303	=cut
		2304
		2305	sub random_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise "?random/$_"
		2311	: ()
		2312	} @{ aio_readdir $RANDOMDIR or [] }
		2313	]
1661	}	2314	}
1662		2315
1663	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1664		2317
1665	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2319	instantiated unique items. May block.
1667		2320
1668	=cut	2321	=cut
1669		2322
1670	sub unique_maps() {	2323	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1672	or return;	2325	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2326	utf8::decode $_;
1678	next if /\.pst$/;	2327	/\.map$/
1679	next unless /^$PATH_SEP/o;	2328	? normalise $_
1680		2329	: ()
1681	push @paths, cf::map::normalise $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2331	]
1683
1684	\@paths
1685	}	2332	}
1686		2333
1687	package cf;	2334	package cf;
1688		2335
1689	=back	2336	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1708	}	2355	}
1709		2356
1710	sub inv_recursive {	2357	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2358	inv_recursive_ inv $_[0]
		2359	}
		2360
		2361	=item $ref = $ob->ref
		2362
		2363	creates and returns a persistent reference to an objetc that can be stored as a string.
		2364
		2365	=item $ob = cf::object::deref ($refstring)
		2366
		2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2368	even if the object actually exists. May block.
		2369
		2370	=cut
		2371
		2372	sub deref {
		2373	my ($ref) = @_;
		2374
		2375	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2376	my ($uuid, $name) = ($1, $2);
		2377	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2378	or return;
		2379	$pl->ob->uuid eq $uuid
		2380	or return;
		2381
		2382	$pl->ob
		2383	} else {
		2384	warn "$ref: cannot resolve object reference\n";
		2385	undef
		2386	}
1712	}	2387	}
1713		2388
1714	package cf;	2389	package cf;
1715		2390
1716	=back	2391	=back
…		…
1735		2410
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2412
1738	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1740	} else {	2416	} else {
		2417	my $pl = $self->contr;
		2418
		2419	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2420	my $dialog = $pl->{npc_dialog};
		2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2422
		2423	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1743	}	2427	}
		2428	}
		2429
		2430	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	=cut
		2433
		2434	sub cf::object::send_msg {
		2435	my $pl = shift->contr
		2436	or return;
		2437	$pl->send_msg (@_);
1744	}	2438	}
1745		2439
1746	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1747		2441
1748	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1796		2490
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2492
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1801		2495
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2497	}
1804		2498
1805	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1807		2503
1808	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1809		2505
1810	unless ($map) {	2506	unless ($map) {
1811	# restore original map position	2507	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1828		2524
1829	$map->load;	2525	$map->load;
1830	$map->load_diag;	2526	$map->load_neighbours;
1831		2527
1832	return unless $self->contr->active;	2528	return unless $self->contr->active;
1833	$self->activate_recursive;	2529	$self->activate_recursive;
1834		2530
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1837	}	2533	}
1838		2534
1839	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2536
1843	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1847	};	2541	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2542
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1874		2546
1875	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2552
1878	$self->enter_link;	2553	$self->enter_link;
1879		2554
1880	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1881	my $map = eval {	2577	my $map = eval {
1882	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1884	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2593	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1889	})->prio (1);	2601	})->prio (1);
1890	}	2602	}
1891		2603
1892	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1893		2605
…		…
1930	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1931	}	2643	}
1932		2644
1933	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1934		2646
1935	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1938		2650
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2653	undef $fh;
1942	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
…		…
1951		2663
1952	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1953		2665
1954	if ($exit->slaying eq "/!") {	2666	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2668	# the problem is that $exit might not survive long enough
		2669	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2670	cf::sync_job { prepare_random_map $exit };
1957	}	2671	}
1958		2672
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2674	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2675	my $sp = $exit->stats->sp;
1962		2676
1963	$self->enter_link;	2677	$self->enter_link;
1964		2678
		2679	# if exit is damned, update players death & WoR home-position
		2680	$self->contr->savebed ($slaying, $hp, $sp)
		2681	if $exit->flag (FLAG_DAMNED);
		2682
1965	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
1966	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2687	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2688	$self->goto ($slaying, $hp, $sp);
1969		2689
1970	1;	2690	1;
1971	}) {	2691	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2692	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2693	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2694	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2695	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2696
1977	warn "ERROR in enter_exit: $@";	2697	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2698	$self->leave_link;
1979	}	2699	}
1980	})->prio (1);	2700	})->prio (1);
…		…
1993		2713
1994	sub cf::client::send_drawinfo {	2714	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2715	my ($self, $text, $flags) = @_;
1996		2716
1997	utf8::encode $text;	2717	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2719	}
2000		2720
		2721	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2722
		2723	Send a drawinfo or msg packet to the client, formatting the msg for the
		2724	client if neccessary. C<$type> should be a string identifying the type of
		2725	the message, with C<log> being the default. If C<$color> is negative, suppress
		2726	the message unless the client supports the msg packet.
		2727
		2728	=cut
		2729
		2730	# non-persistent channels (usually the info channel)
		2731	our %CHANNEL = (
		2732	"c/identify" => {
		2733	id => "infobox",
		2734	title => "Identify",
		2735	reply => undef,
		2736	tooltip => "Items recently identified",
		2737	},
		2738	"c/examine" => {
		2739	id => "infobox",
		2740	title => "Examine",
		2741	reply => undef,
		2742	tooltip => "Signs and other items you examined",
		2743	},
		2744	"c/book" => {
		2745	id => "infobox",
		2746	title => "Book",
		2747	reply => undef,
		2748	tooltip => "The contents of a note or book",
		2749	},
		2750	"c/lookat" => {
		2751	id => "infobox",
		2752	title => "Look",
		2753	reply => undef,
		2754	tooltip => "What you saw there",
		2755	},
		2756	"c/who" => {
		2757	id => "infobox",
		2758	title => "Players",
		2759	reply => undef,
		2760	tooltip => "Shows players who are currently online",
		2761	},
		2762	"c/body" => {
		2763	id => "infobox",
		2764	title => "Body Parts",
		2765	reply => undef,
		2766	tooltip => "Shows which body parts you posess and are available",
		2767	},
		2768	"c/uptime" => {
		2769	id => "infobox",
		2770	title => "Uptime",
		2771	reply => undef,
		2772	tooltip => "How long the server has been running since last restart",
		2773	},
		2774	"c/mapinfo" => {
		2775	id => "infobox",
		2776	title => "Map Info",
		2777	reply => undef,
		2778	tooltip => "Information related to the maps",
		2779	},
		2780	);
		2781
		2782	sub cf::client::send_msg {
		2783	my ($self, $channel, $msg, $color, @extra) = @_;
		2784
		2785	$msg = $self->pl->expand_cfpod ($msg);
		2786
		2787	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2788
		2789	# check predefined channels, for the benefit of C
		2790	if ($CHANNEL{$channel}) {
		2791	$channel = $CHANNEL{$channel};
		2792
		2793	$self->ext_msg (channel_info => $channel)
		2794	if $self->can_msg;
		2795
		2796	$channel = $channel->{id};
		2797
		2798	} elsif (ref $channel) {
		2799	# send meta info to client, if not yet sent
		2800	unless (exists $self->{channel}{$channel->{id}}) {
		2801	$self->{channel}{$channel->{id}} = $channel;
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804	}
		2805
		2806	$channel = $channel->{id};
		2807	}
		2808
		2809	return unless @extra || length $msg;
		2810
		2811	if ($self->can_msg) {
		2812	# default colour, mask it out
		2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2814	if $color & cf::NDI_DEF;
		2815
		2816	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2818	} else {
		2819	if ($color >= 0) {
		2820	# replace some tags by gcfclient-compatible ones
		2821	for ($msg) {
		2822	1 while
		2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2828	}
		2829
		2830	$color &= cf::NDI_COLOR_MASK;
		2831
		2832	utf8::encode $msg;
		2833
		2834	if (0 && $msg =~ /\[/) {
		2835	# COMMAND/INFO
		2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2837	} else {
		2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2839	$self->send_packet ("drawinfo $color $msg")
		2840	}
		2841	}
		2842	}
		2843	}
		2844
		2845	=item $client->ext_msg ($type, @msg)
		2846
		2847	Sends an ext event to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_msg($$@) {
		2852	my ($self, $type, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
		2857	push @msg, msgtype => "event_$type";
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		2869	my ($self, $id, @msg) = @_;
		2870
		2871	if ($self->extcmd == 2) {
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2873	} elsif ($self->extcmd == 1) {
		2874	#TODO: version 1, remove
		2875	unshift @msg, msgtype => "reply", msgid => $id;
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2877	}
		2878	}
2001		2879
2002	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
2003		2881
2004	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2885
2008	Queries can fail, so check the return code. Or don't, as queries will become	2886	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2887	become reliable at some point in the future.
2010		2888
2011	=cut	2889	=cut
2012		2890
2013	sub cf::client::query {	2891	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2900	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2902
2025	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
2027	}	2907	}
2028		2908
2029	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
2030	on_reply => sub {	2915	on_reply => sub {
2031	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
2032		2917
2033	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
2034	# get handled first	2919	# get handled first
…		…
2046	} else {	2931	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2933	}
2049	}	2934	}
2050	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($ns, $buf) = @_;
		2938
		2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2940
		2941	if (ref $msg) {
		2942	my ($type, $reply, @payload) =
		2943	"ARRAY" eq ref $msg
		2944	? @$msg
		2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2946
		2947	my @reply;
		2948
		2949	if (my $cb = $EXTICMD{$type}) {
		2950	@reply = $cb->($ns, @payload);
		2951	}
		2952
		2953	$ns->ext_reply ($reply, @reply)
		2954	if $reply;
		2955
		2956	} else {
		2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2958	}
		2959
		2960	cf::override;
		2961	},
2051	);	2962	);
2052		2963
2053	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2054		2965
2055	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2098		3009
2099	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2100		3011
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
2102		3017
2103	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2104		3019
2105	=pod	3020	=pod
2106		3021
2107	The following fucntions and emthods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2108		3023
2109	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2110	cf::object::player player	3028	cf::object::player
2111	cf::player peaceful	3029	player
2112	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2113		3036
2114	=cut	3037	=cut
2115		3038
2116	for (	3039	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2118	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2121	) {	3046	) {
2122	no strict 'refs';	3047	no strict 'refs';
…		…
2193	=back	3118	=back
2194		3119
2195	=cut	3120	=cut
2196		3121
2197	#############################################################################	3122	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3123	# the server's init and main functions
2271		3124
2272	sub load_faces {	3125	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3126	my ($path) = @_;
2274		3127
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3133
2275	warn "loading faces from $path\n";	3134	warn "loading facedata from $path\n";
2276		3135
2277	my $faces;	3136	my $facedata;
2278	0 < aio_load $path, $faces	3137	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3138	or die "$path: $!";
2280		3139
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3140	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3141
		3142	$facedata->{version} == 2
		3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3144
		3145	# patch in the exptable
		3146	$facedata->{resource}{"res/exp_table"} = {
		3147	type => FT_RSRC,
		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3149	};
		3150	cf::cede_to_tick;
		3151
		3152	{
		3153	my $faces = $facedata->{faceinfo};
		3154
2285	while (my ($face, $info) = each %$faces) {	3155	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3157
		3158	cf::face::set_visibility $idx, $info->{visibility};
		3159	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3162
		3163	cf::cede_to_tick;
		3164	}
		3165
		3166	while (my ($face, $info) = each %$faces) {
		3167	next unless $info->{smooth};
		3168
		3169	my $idx = cf::face::find $face
		3170	or next;
		3171
		3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
		3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3175	} else {
		3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3177	}
		3178
		3179	cf::cede_to_tick;
		3180	}
		3181	}
		3182
2290	}	3183	{
		3184	my $anims = $facedata->{animinfo};
		3185
		3186	while (my ($anim, $info) = each %$anims) {
		3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3188	cf::cede_to_tick;
		3189	}
		3190
		3191	cf::anim::invalidate_all; # d'oh
		3192	}
		3193
		3194	{
		3195	# TODO: for gcfclient pleasure, we should give resources
		3196	# that gcfclient doesn't grok a >10000 face index.
		3197	my $res = $facedata->{resource};
		3198
		3199	while (my ($name, $info) = each %$res) {
		3200	if (defined $info->{type}) {
		3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3202	my $data;
		3203
		3204	if ($info->{type} & 1) {
		3205	# prepend meta info
		3206
		3207	my $meta = $enc->encode ({
		3208	name => $name,
		3209	%{ $info->{meta} || {} },
		3210	});
		3211
		3212	$data = pack "(w/a*)*", $meta, $info->{data};
		3213	} else {
		3214	$data = $info->{data};
		3215	}
		3216
		3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3218	cf::face::set_type $idx, $info->{type};
		3219	} else {
		3220	$RESOURCE{$name} = $info;
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3228
2292	1	3229	1
2293	}	3230	}
2294		3231
		3232	cf::global->attach (on_resource_update => sub {
		3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3235
		3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3237	my $sound = $soundconf->{compat}[$_]
		3238	or next;
		3239
		3240	my $face = cf::face::find "sound/$sound->[1]";
		3241	cf::sound::set $sound->[0] => $face;
		3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3243	}
		3244
		3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3246	my $face = cf::face::find "sound/$v";
		3247	cf::sound::set $k => $face;
		3248	}
		3249	}
		3250	});
		3251
		3252	register_exticmd fx_want => sub {
		3253	my ($ns, $want) = @_;
		3254
		3255	while (my ($k, $v) = each %$want) {
		3256	$ns->fx_want ($k, $v);
		3257	}
		3258	};
		3259
		3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
		3265	load_resource_file "$MAPDIR/regions"
		3266	or die "unable to load regions file\n";
		3267
		3268	for (cf::region::list) {
		3269	$_->{match} = qr/$_->{match}/
		3270	if exists $_->{match};
		3271	}
		3272	}
		3273
		3274	sub reload_facedata {
		3275	load_facedata "$DATADIR/facedata"
		3276	or die "unable to load facedata\n";
		3277	}
		3278
		3279	sub reload_archetypes {
		3280	load_resource_file "$DATADIR/archetypes"
		3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
		3285	load_resource_file "$DATADIR/archetypes"
		3286	or die "unable to load archetypes\n";
		3287	}
		3288
		3289	sub reload_treasures {
		3290	load_resource_file "$DATADIR/treasures"
		3291	or die "unable to load treasurelists\n";
		3292	}
		3293
2295	sub reload_resources {	3294	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3295	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3296
		3297	reload_regions;
2298	load_faces	3298	reload_facedata;
2299	or die "unable to load faces\n";#d#	3299	#reload_archetypes;#d#
		3300	reload_archetypes;
		3301	reload_treasures;
		3302
		3303	warn "finished reloading resource files\n";
2300	}	3304	}
2301		3305
2302	sub init {	3306	sub init {
2303	reload_resources;	3307	reload_resources;
2304	}	3308	}
2305		3309
2306	sub cfg_load {	3310	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3312	or return;
2309		3313
2310	local $/;	3314	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2312		3316
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3318
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2327	sub main {	3331	sub main {
2328	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3335	(async {
2332	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2334	};	3339	};
2335		3340
2336	cfg_load;	3341	reload_config;
2337	db_init;	3342	db_init;
2338	load_extensions;	3343	load_extensions;
2339		3344
2340	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2341	Event::loop;	3347	EV::loop;
2342	}	3348	}
2343		3349
2344	#############################################################################	3350	#############################################################################
2345	# initialisation and cleanup	3351	# initialisation and cleanup
2346		3352
2347	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2348	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2357	},
2358	);	3359	};
		3360	}
		3361	}
		3362
		3363	sub write_runtime {
		3364	my $runtime = "$LOCALDIR/runtime";
		3365
		3366	# first touch the runtime file to show we are still running:
		3367	# the fsync below can take a very very long time.
		3368
		3369	IO::AIO::aio_utime $runtime, undef, undef;
		3370
		3371	my $guard = cf::lock_acquire "write_runtime";
		3372
		3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3374	or return;
		3375
		3376	my $value = $cf::RUNTIME + 90 + 10;
		3377	# 10 is the runtime save interval, for a monotonic clock
		3378	# 60 allows for the watchdog to kill the server.
		3379
		3380	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3381	and return;
		3382
		3383	# always fsync - this file is important
		3384	aio_fsync $fh
		3385	and return;
		3386
		3387	# touch it again to show we are up-to-date
		3388	aio_utime $fh, undef, undef;
		3389
		3390	close $fh
		3391	or return;
		3392
		3393	aio_rename "$runtime~", $runtime
		3394	and return;
		3395
		3396	warn "runtime file written.\n";
		3397
2359	}	3398	1
2360	}	3399	}
2361		3400
2362	sub emergency_save() {	3401	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2364		3403
…		…
2370	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3415	$pl->save;
2376	}	3416	}
2377	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2378		3418
2379	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2397		3437
2398	warn Carp::longmess "post_cleanup backtrace"	3438	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3439	if $make_core;
2400	}	3440	}
2401		3441
2402	sub reload() {	3442	sub do_reload_perl() {
2403	# can/must only be called in main	3443	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3445	warn "can only reload from main coroutine";
2406	return;	3446	return;
2407	}	3447	}
…		…
2418	warn "syncing database to disk";	3458	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3460
2421	# if anything goes wrong in here, we should simply crash as we already saved	3461	# if anything goes wrong in here, we should simply crash as we already saved
2422		3462
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2429	for (;;) {	3464	for (;;) {
2430	BDB::flush;	3465	BDB::flush;
2431	IO::AIO::flush;	3466	IO::AIO::flush;
2432	Coro::cede;	3467	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3469	warn "iterate...";
2435	}	3470	}
2436		3471
2437	++$RELOAD;	3472	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3476	%EXT_CORO = ();
2442		3477
2443	warn "removing commands";	3478	warn "removing commands";
2444	%COMMAND = ();	3479	%COMMAND = ();
2445		3480
2446	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2448		3484
2449	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2452		3488
…		…
2482	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3520
2485	warn "unloading cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2487		3524
2488	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3526	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2491		3528
…		…
2494	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2495	require cf;	3532	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3534
2498	warn "loading config and database again";	3535	warn "loading config and database again";
2499	cf::cfg_load;	3536	cf::reload_config;
2500		3537
2501	warn "loading extensions";	3538	warn "loading extensions";
2502	cf::load_extensions;	3539	cf::load_extensions;
2503		3540
2504	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3543	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3545	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3546	reattach $_ for values %PLAYER;
2510		3547
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3548	warn "leaving sync_job";
2515		3549
2516	1	3550	1
2517	} or do {	3551	} or do {
2518	warn $@;	3552	warn $@;
…		…
2523	warn "reloaded";	3557	warn "reloaded";
2524	};	3558	};
2525		3559
2526	our $RELOAD_WATCHER; # used only during reload	3560	our $RELOAD_WATCHER; # used only during reload
2527		3561
		3562	sub reload_perl() {
		3563	# doing reload synchronously and two reloads happen back-to-back,
		3564	# coro crashes during coro_state_free->destroy here.
		3565
		3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3567	undef $RELOAD_WATCHER;
		3568	do_reload_perl;
		3569	};
		3570	}
		3571
2528	register_command "reload" => sub {	3572	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2530		3574
2531	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
2533		3577	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3578	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3579	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3580	};
2546	}	3581	}
2547	};	3582	};
2548		3583
2549	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2550		3585
2551	my $bug_warning = 0;	3586	my $bug_warning = 0;
2552		3587
2553	$TICK_WATCHER = Event->timer (	3588	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3589	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3590
2556	prio => 0,	3591	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3592	return unless $TICK_WATCHER->is_active;
2558	data => WF_AUTOCANCEL,	3593	return if $Coro::current == $Coro::main;
2559	cb => sub {	3594
		3595	my $signal = new Coro::Signal;
		3596	push @WAIT_FOR_TICK, $signal;
		3597	$signal->wait;
		3598	}
		3599
		3600	sub wait_for_tick_begin {
		3601	return unless $TICK_WATCHER->is_active;
		3602	return if $Coro::current == $Coro::main;
		3603
		3604	my $signal = new Coro::Signal;
		3605	push @WAIT_FOR_TICK_BEGIN, $signal;
		3606	$signal->wait;
		3607	}
		3608
		3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2560	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2563	return;	3613	return;
2564	}	3614	}
2565		3615
2566	$NOW = Event::time;	3616	$NOW = $tick_start = EV::now;
2567		3617
2568	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2569	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2571		3622
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3625	Coro::async_pool {
		3626	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3627	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3629	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3630	}
2592	);	3631
		3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3633	$sig->send;
		3634	}
		3635	while (my $sig = shift @WAIT_FOR_TICK) {
		3636	$sig->send;
		3637	}
		3638
		3639	$LOAD = ($NOW - $tick_start) / $TICK;
		3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3641
		3642	_post_tick;
		3643	};
		3644	$TICK_WATCHER->priority (EV::MAXPRI);
2593		3645
2594	{	3646	{
2595	BDB::max_poll_time $TICK * 0.1;	3647	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3648
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3649	BDB::min_parallel 8;
2605		3650	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3651	$Coro::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3652
2621	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3659
2624	cf::sync_job {	3660	cf::sync_job {
2625	eval {	3661	eval {
2626	BDB::db_env_open	3662	BDB::db_env_open
2627	$DB_ENV,	3663	$DB_ENV,
2628	$BDB_ENV_DIR,	3664	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3667	0666;
2632		3668
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3670	};
2638		3671
2639	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3673	};
2641	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2642	}	3685	}
2643		3686
2644	{	3687	{
		3688	# configure IO::AIO
		3689
2645	IO::AIO::min_parallel 8;	3690	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3692	$Coro::AIO::WATCHER->priority (1);
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2658		3737
2659	END { cf::emergency_save }	3738	END { cf::emergency_save }
2660		3739
2661	1	3740	1
2662		3741

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