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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.396 by root, Wed Nov 14 08:09:46 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV;
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 4.1 ();
		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::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		42
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
37		45
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
40	our %COMMAND = ();	50	our %COMMAND = ();
41	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
42		52
43	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
47		58
		59	our $RELOAD; # number of reloads so far
48	our @EVENT;	60	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		61
51	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	75	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	78	our $NEXT_TICK;
56	our $NOW;	79	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		81
59	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	86	our $DB_ENV;
61		87
62	our %CFG;	88	our %CFG;
63		89
64	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	91	our $RUNTIME;
66		92
67	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		96
76	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
		103
79	binmode STDOUT;	104	binmode STDOUT;
80	binmode STDERR;	105	binmode STDERR;
81		106
82	# read virtual server time, if available	107	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
87	}	112	}
88		113
89	mkdir cf::localdir;	114	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		116
96	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
97		118
98	sub cf::map::normalise;	119	sub cf::map::normalise;
99		120
…		…
110	=item $cf::RUNTIME	131	=item $cf::RUNTIME
111		132
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	133	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	134	every server tick.
114		135
115	=item $cf::LIBDIR	136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		139
117	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		142	unique-items directory, player file directory, random maps directory and
		143	database environment.
119		144
120	=item $cf::NOW	145	=item $cf::NOW
121		146
122	The time of the last (current) server tick.	147	The time of the last (current) server tick.
123		148
124	=item $cf::TICK	149	=item $cf::TICK
125		150
126	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
127		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
128	=item %cf::CFG	163	=item %cf::CFG
129		164
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	166	from wherever your confdir points to.
132		167
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		169
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	171	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
139		179
140	=back	180	=back
141		181
142	=cut	182	=cut
143		183
144	BEGIN {	184	BEGIN {
145	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	186	my $msg = join "", @_;
147	utf8::encode $msg;
148		187
149	$msg .= "\n"	188	$msg .= "\n"
150	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		192
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		204
163	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
171	)) {	213	)) {
172	no strict 'refs';	214	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$EV::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
237	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
240	returned.	275	returned.
241		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
242	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
244		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
245	=cut	287	=cut
246		288
247	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
248		291
249	sub lock_wait($) {	292	sub lock_wait($) {
250	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
251		299
252	# wait for lock, if any	300	# wait for lock, if any
253	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	303	Coro::schedule;
…		…
261		309
262	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
263	lock_wait $key;	311	lock_wait $key;
264		312
265	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
266		315
267	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
270	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
271	}	327	}
272		328
273	sub freeze_mainloop {	329	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
275		331
…		…
278	};	334	};
279	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
280	$guard	336	$guard
281	}	337	}
282		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
283	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
284		413
285	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
290		419
291	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
292		421
293	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
294		423
295	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
298		428
299	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
302	fast or be very important.	432	fast or be very important.
…		…
305		435
306	sub sync_job(&) {	436	sub sync_job(&) {
307	my ($job) = @_;	437	my ($job) = @_;
308		438
309	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
310	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
312		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
313	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	448	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
316		450
317	my $busy = 1;	451	my $busy = 1;
318	my @res;	452	my @res;
319		453
320	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	456	@res = eval { $job->() };
322	warn $@ if $@;	457	warn $@ if $@;
323	undef $busy;	458	undef $busy;
324	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
325		460
326	while ($busy) {	461	while ($busy) {
327	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
328	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
329		475
330	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
331	} else {	477	} else {
332	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
333		479
…		…
353	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
354		500
355	$coro	501	$coro
356	}	502	}
357		503
358	sub write_runtime {	504	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		505
361	my $runtime = cf::localdir . "/runtime";	506	Executes the given code block with the given arguments in a seperate
		507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
362		510
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	511	=cut
364	or return;
365		512
366	my $value = $cf::RUNTIME + 90 + 10;	513	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	514	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		515
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	516	# we seemingly have to make a local copy of the whole thing,
371	and return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
372		519
373	# always fsync - this file is important	520	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	521	reset_signals;
375	and return;	522	&$cb
		523	}, @args;
376		524
377	close $fh	525	wantarray ? @res : $res[-1]
378	or return;	526	}
379		527
380	aio_rename "$runtime~", $runtime	528	=item $value = cf::db_get $family => $key
381	and return;
382		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
383	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
		653	}
		654
		655	=item cf::datalog type => key => value, ...
		656
		657	Log a datalog packet of the given type with the given key-value pairs.
		658
		659	=cut
		660
		661	sub datalog($@) {
		662	my ($type, %kv) = @_;
		663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	664	}
385		665
386	=back	666	=back
387		667
388	=cut	668	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
397		677
398	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	680	Deliantra).
401		681
402	=over 4	682	=over 4
403		683
404	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
405		685
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
569		849
570	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		854
575	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	856	my $pkg = shift @arg;
577		857
578	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
608	}	888	}
609		889
610	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
611	} else {	891	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	893	}
614		894
615	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
616	}	896	}
617		897
…		…
619	if (ref $_[0]) {	899	if (ref $_[0]) {
620	_object_attach @_;	900	_object_attach @_;
621	} else {	901	} else {
622	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
623	}	903	}
		904	_recalc_want;
624	};	905	};
625		906
626	# all those should be optimised	907	# all those should be optimised
627	sub cf::attachable::detach {	908	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
632	reattach ($obj);	913	reattach ($obj);
633	} else {	914	} else {
634	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
635	}	916	}
		917	_recalc_want;
636	};	918	};
637		919
638	sub cf::attachable::attached {	920	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
640		922
…		…
655	";	937	";
656	die if $@;	938	die if $@;
657	}	939	}
658		940
659	our $override;	941	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		943
662	sub override {	944	sub override {
663	$override = 1;	945	$override = 1;
664	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
665	}	947	}
666		948
667	sub do_invoke {	949	sub do_invoke {
668	my $event = shift;	950	my $event = shift;
669	my $callbacks = shift;	951	my $callbacks = shift;
670		952
671	@invoke_results = ();	953	@INVOKE_RESULTS = ();
672		954
673	local $override;	955	local $override;
674		956
675	for (@$callbacks) {	957	for (@$callbacks) {
676	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
693		975
694	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
695		977
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		981
700	=back	982	=back
701		983
702	=cut	984	=cut
703		985
704	#############################################################################	986	#############################################################################
705	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
706		1030
707	sub reattach {	1031	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1033	my ($obj) = @_;
710		1034
…		…
757	sub object_freezer_save {	1081	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
759		1083
760	sync_job {	1084	sync_job {
761	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
764		1089
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1094	close $fh;
770		1095
771	if (@$objs) {	1096	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1102	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
779	}	1104	}
…		…
787	}	1112	}
788	} else {	1113	} else {
789	aio_unlink $filename;	1114	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
791	}	1116	}
792	}	1117	};
793	}	1118	}
794		1119
795	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
797		1122
…		…
809	or return;	1134	or return;
810		1135
811	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
813	or return;	1138	or return;
		1139
814	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
815	}	1142	}
816		1143
		1144	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
819	return ($data, $av);	1148	($data, $av)
820	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
821		1156
822	#############################################################################	1157	#############################################################################
823	# command handling &c	1158	# command handling &c
824		1159
825	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1174	}
840		1175
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1177
843	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
844		1183
845	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
846	called.	1185	called.
847		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
848	=cut	1198	=cut
849		1199
850	sub register_extcmd {	1200	sub register_extcmd {
851	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
852		1202
853	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
854	}	1210	}
855		1211
856	cf::player->attach (	1212	cf::player->attach (
857	on_command => sub {	1213	on_command => sub {
858	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1223	cf::override;
868	},	1224	},
869	on_extcmd => sub {	1225	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
871		1227
872	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1229
874	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
880	} else {	1245	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1247	}
883		1248
884	cf::override;	1249	cf::override;
885	},	1250	},
886	);	1251	);
887		1252
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
923	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1258	next unless -r $path;
925	eval {	1259
926	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
927	1	1317	}
928	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
929	}	1323	};
930	}	1324	}
931		1325
932	#############################################################################	1326	#############################################################################
933		1327
		1328	=back
		1329
934	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
935		1331
936	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
937		1333
938	=cut	1334	=cut
…		…
943		1339
944	=head3 cf::player	1340	=head3 cf::player
945		1341
946	=over 4	1342	=over 4
947		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
948	=item cf::player::find $login	1358	=item cf::player::find $login
949		1359
950	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
951		1361
952	=cut	1362	=cut
953		1363
954	sub playerdir($) {	1364	sub playerdir($) {
955	cf::localdir	1365	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1367	}
961		1368
962	sub path($) {	1369	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1371
965	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
966	}	1373	}
967		1374
968	sub find_active($) {	1375	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1390	my $login = $_[0];
984		1391
985	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
986		1393
987	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1395	# rename old playerfiles to new ones
		1396	#TODO: remove when no longer required
		1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1400	aio_unlink +(playerdir $login) . "/$login.pl";
		1401
		1402	my $f = new_from_file cf::object::thawer path $login
989	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
991	}	1410	}
992	}	1411	}
993	}	1412	}
994		1413
…		…
1004		1423
1005	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1007		1426
1008	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1009	Coro::cede;	1428	cf::cede_to_tick;
1010	}	1429	}
1011		1430
1012	sub new($) {	1431	sub new($) {
1013	my ($login) = @_;	1432	my ($login) = @_;
1014		1433
…		…
1018	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1019		1438
1020	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1021		1440
1022	$self	1441	$self
		1442	}
		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
1023	}	1452	}
1024		1453
1025	=item $pl->quit_character	1454	=item $pl->quit_character
1026		1455
1027	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
…		…
1076	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1077		1506
1078	=cut	1507	=cut
1079		1508
1080	sub list_logins {	1509	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1511	or return [];
1083		1512
1084	my @logins;	1513	my @logins;
1085		1514
1086	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1090		1524
1091	utf8::decode $login;	1525	utf8::decode $login;
1092	push @logins, $login;	1526	push @logins, $login;
1093	}	1527	}
1094		1528
…		…
1121	}	1555	}
1122		1556
1123	\@paths	1557	\@paths
1124	}	1558	}
1125		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1127		1654
1128	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1129		1656
1130	=cut	1657	=cut
1131		1658
1132	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1134		1661
1135	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1663	}
1139		1664
1140	package cf;	1665	=item $player->ext_msg ($type, @msg)
		1666
		1667	Sends an ext event to the client.
		1668
		1669	=cut
		1670
		1671	sub ext_msg($$@) {
		1672	my ($self, $type, @msg) = @_;
		1673
		1674	$self->ns->ext_msg ($type, @msg);
		1675	}
		1676
		1677	=head3 cf::region
		1678
		1679	=over 4
		1680
		1681	=cut
		1682
		1683	package cf::region;
		1684
		1685	=item cf::region::find_by_path $path
		1686
		1687	Tries to decuce the likely region for a map knowing only its path.
		1688
		1689	=cut
		1690
		1691	sub find_by_path($) {
		1692	my ($path) = @_;
		1693
		1694	my ($match, $specificity);
		1695
		1696	for my $region (list) {
		1697	if ($region->{match} && $path =~ $region->{match}) {
		1698	($match, $specificity) = ($region, $region->specificity)
		1699	if $region->specificity > $specificity;
		1700	}
		1701	}
		1702
		1703	$match
		1704	}
1141		1705
1142	=back	1706	=back
1143
1144		1707
1145	=head3 cf::map	1708	=head3 cf::map
1146		1709
1147	=over 4	1710	=over 4
1148		1711
…		…
1203	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1204		1767
1205	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1206	local $self->{path};	1769	local $self->{path};
1207	local $self->{load_path};	1770	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1771
1211	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1212	}	1773	}
1213		1774
1214	sub normalise {	1775	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1262	return $self;	1823	return $self;
1263	}	1824	}
1264	}	1825	}
1265		1826
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1828	()
1268	}	1829	}
1269		1830
1270	sub init {	1831	sub init {
1271	my ($self) = @_;	1832	my ($self) = @_;
…		…
1286		1847
1287	# the original (read-only) location	1848	# the original (read-only) location
1288	sub load_path {	1849	sub load_path {
1289	my ($self) = @_;	1850	my ($self) = @_;
1290		1851
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1292	}	1853	}
1293		1854
1294	# the temporary/swap location	1855	# the temporary/swap location
1295	sub save_path {	1856	sub save_path {
1296	my ($self) = @_;	1857	my ($self) = @_;
1297		1858
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1300	}	1861	}
1301		1862
1302	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1303	sub uniq_path {	1864	sub uniq_path {
1304	my ($self) = @_;	1865	my ($self) = @_;
1305		1866
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1308	}	1869	}
1309		1870
1310	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1311	# all maps in C++...	1872	# all maps in C++...
1312	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1314		1875
1315	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1317	}	1878	}
1318		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1319	sub unlink_save {	1888	sub unlink_save {
1320	my ($self) = @_;	1889	my ($self) = @_;
1321		1890
1322	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1326		1895
1327	sub load_header_from($) {	1896	sub load_header_from($) {
1328	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1329		1898
1330	utf8::encode $path;	1899	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1336		1908
1337	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1338		1910
1339	1	1911	1
1340	}	1912	}
…		…
1379	$self->load_header_orig	1951	$self->load_header_orig
1380	or return;	1952	or return;
1381	$self->prepare_orig;	1953	$self->prepare_orig;
1382	}	1954	}
1383		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
		1959	$self->default_region (cf::region::find_by_path $self->{path})
		1960	unless $self->default_region;
		1961
1384	1	1962	1
1385	}	1963	}
1386		1964
1387	sub find;	1965	sub find;
1388	sub find {	1966	sub find {
1389	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1390		1968
1391	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1392		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1394		1973
1395	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1397	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1398	or return;	1979	or return;
1399		1980
1400	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1401		1982
1402	$map->load_header	1983	$map->load_header
1403	or return;	1984	or return;
1404		1985
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1408	$map->reset;	1991	$map->reset;
1409	undef $guard;
1410	return find $path;	1992	return find $path;
1411	}	1993	}
1412		1994
1413	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1414	}	1996	}
…		…
1421	my ($self) = @_;	2003	my ($self) = @_;
1422		2004
1423	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1424		2006
1425	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1427		2011
		2012	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		2014
1430	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1431		2016
1432	$self->alloc;	2017	$self->alloc;
1433		2018
1434	$self->pre_load;	2019	$self->pre_load;
		2020	cf::cede_to_tick;
1435		2021
1436	$self->_load_objects ($self->{load_path}, 1)	2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
		2024	$self->_load_objects ($f)
1437	or return;	2025	or return;
1438		2026
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	2028	if delete $self->{load_original};
1441		2029
1442	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2031	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2034	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1447	}	2038	}
1448	}	2039	}
1449		2040
1450	Coro::cede;	2041	$f->resolve_delayed_derefs;
1451		2042
		2043	cf::cede_to_tick;
1452	# now do the right thing for maps	2044	# now do the right thing for maps
1453	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2047	unless $self->difficulty;
1463	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($self->{deny_activate}) {
		2051	$self->decay_objects;
		2052	$self->fix_auto_apply;
		2053	$self->update_buttons;
		2054	cf::cede_to_tick;
		2055	$self->set_darkness_map;
		2056	cf::cede_to_tick;
1464	$self->activate;	2057	$self->activate;
		2058	}
		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
		2062
		2063	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	2064	}
1466		2065
1467	$self->post_load;	2066	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	2067	}
1471		2068
1472	sub customise_for {	2069	sub customise_for {
1473	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1474		2071
1475	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2073	if $self->per_player;
1477		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1478	$self	2078	$self
1479	}	2079	}
1480		2080
1481	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	2082	sub load_neighbours {
1483	my ($map) = @_;	2083	my ($map) = @_;
1484		2084
1485	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1486		2086
1487	for (0 .. 3) {	2087	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1489	or next;	2089	or next;
1490	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1491	or next;	2091	or next;
1492	$neigh->load;	2092	$neigh->load;
1493		2093
		2094	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2097	}
1497		2098
1498	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1500	or next;	2102	or next;
1501	$neigh->load;	2103	$neigh->load;
1502	}	2104	}
1503	}	2105	}
1504		2106
…		…
1509	}	2111	}
1510		2112
1511	sub do_load_sync {	2113	sub do_load_sync {
1512	my ($map) = @_;	2114	my ($map) = @_;
1513		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1514	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1515	}	2120	}
1516		2121
1517	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1519		2124
1520	sub find_async {	2125	sub find_async {
1521	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1522		2127
1523	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1524		2129
1525	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1527	}	2132	}
1528		2133
1529	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1530	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1531	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2141	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2142	$map->load if $v;
		2143	}
1536		2144
1537	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1538	}	2146	}
1539	}	2147	}
1540	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1541	};	2149	};
1542	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2153	}
1546		2154
1547	sub save {	2155	sub save {
1548	my ($self) = @_;	2156	my ($self) = @_;
1549		2157
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2159
1552	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1553		2161
1554	return unless $self->dirty;	2162	return unless $self->dirty;
1555		2163
…		…
1561	return if $self->{deny_save};	2169	return if $self->{deny_save};
1562		2170
1563	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1564		2172
1565	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1567	};	2176	};
1568		2177
1569	if ($uniq) {	2178	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1578	my ($self) = @_;	2187	my ($self) = @_;
1579		2188
1580	# save first because save cedes	2189	# save first because save cedes
1581	$self->save;	2190	$self->save;
1582		2191
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2193
1585	return if $self->players;	2194	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};	2196	return if $self->{deny_save};
1588		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1589	$self->clear;	2202	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2203	}
1592		2204
1593	sub reset_at {	2205	sub reset_at {
1594	my ($self) = @_;	2206	my ($self) = @_;
1595		2207
1596	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1599		2210
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2213
…		…
1613	my ($self) = @_;	2224	my ($self) = @_;
1614		2225
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2227
1617	return if $self->players;	2228	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2229
1620	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
1621		2231
1622	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
1623		2233
1624	# need to save uniques path	2234	# need to save uniques path
1625	unless ($self->{deny_save}) {	2235	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2239	if $uniq;
1630	}	2240	}
1631		2241
1632	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1633		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2246	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2247
1638	$self->unlink_save;	2248	$self->unlink_save;
1639	$self->destroy;	2249	$self->destroy;
1640	}	2250	}
1641		2251
1642	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1643		2253
1644	sub nuke {	2254	sub nuke {
1645	my ($self) = @_;	2255	my ($self) = @_;
1646		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1647	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1648		2261
1649	$self->unlink_save;	2262	$self->unlink_save;
1650		2263
1651	bless $self, "cf::map";	2264	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2269
1657	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1658		2272
1659	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1660	}	2310	}
1661		2311
1662	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1663		2313
1664	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2315	instantiated unique items. May block.
1666		2316
1667	=cut	2317	=cut
1668		2318
1669	sub unique_maps() {	2319	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1671	or return;	2321	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2322	utf8::decode $_;
1677	next if /\.pst$/;	2323	/\.map$/
1678	next unless /^$PATH_SEP/o;	2324	? normalise $_
1679		2325	: ()
1680	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2327	]
1682
1683	\@paths
1684	}	2328	}
1685		2329
1686	package cf;	2330	package cf;
1687		2331
1688	=back	2332	=back
…		…
1706	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1707	}	2351	}
1708		2352
1709	sub inv_recursive {	2353	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1711	}	2383	}
1712		2384
1713	package cf;	2385	package cf;
1714		2386
1715	=back	2387	=back
…		…
1734		2406
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2408
1737	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1739	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1742	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1743	}	2434	}
1744		2435
1745	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1746		2437
1747	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1795		2486
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2488
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1800		2491
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2493	}
1803		2494
1804	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1806		2499
1807	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1808		2501
1809	unless ($map) {	2502	unless ($map) {
1810	# restore original map position	2503	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1827		2520
1828	$map->load;	2521	$map->load;
1829	$map->load_diag;	2522	$map->load_neighbours;
1830		2523
1831	return unless $self->contr->active;	2524	return unless $self->contr->active;
1832	$self->activate_recursive;	2525	$self->activate_recursive;
1833		2526
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1836	}	2529	}
1837		2530
1838	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2532
1842	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1846	};	2537	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2538
1852	# try to abort aborted map switching on player login :)
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1873		2542
1874	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2548
1877	$self->enter_link;	2549	$self->enter_link;
1878		2550
1879	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1880	my $map = eval {	2573	my $map = eval {
1881	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
		2578	$map = $check->($map) if $check && $map;
		2579	} else {
		2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
		2582
1883	$map	2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2589	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1888	})->prio (1);	2597	})->prio (1);
1889	}	2598	}
1890		2599
1891	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1892		2601
…		…
1931		2640
1932	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1933		2642
1934	my $data = cf::to_json $rmp;	2643	my $data = cf::to_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1937		2646
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2649	undef $fh;
1941	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
…		…
1950		2659
1951	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1952		2661
1953	if ($exit->slaying eq "/!") {	2662	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2664	# the problem is that $exit might not survive long enough
		2665	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2666	cf::sync_job { prepare_random_map $exit };
1956	}	2667	}
1957		2668
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
1961		2672
1962	$self->enter_link;	2673	$self->enter_link;
1963		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
1964	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1965	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2683	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
1968		2685
1969	1;	2686	1;
1970	}) {	2687	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2689	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2692
1976	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2694	$self->leave_link;
1978	}	2695	}
1979	})->prio (1);	2696	})->prio (1);
…		…
1992		2709
1993	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1995		2712
1996	utf8::encode $text;	2713	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2715	}
1999		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
		2841	=item $client->ext_msg ($type, @msg)
		2842
		2843	Sends an ext event to the client.
		2844
		2845	=cut
		2846
		2847	sub cf::client::ext_msg($$@) {
		2848	my ($self, $type, @msg) = @_;
		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
		2853	push @msg, msgtype => "event_$type";
		2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
		2874	}
2000		2875
2001	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2002		2877
2003	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2881
2007	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2883	become reliable at some point in the future.
2009		2884
2010	=cut	2885	=cut
2011		2886
2012	sub cf::client::query {	2887	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2896	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2898
2024	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2026	}	2903	}
2027		2904
2028	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2029	on_reply => sub {	2911	on_reply => sub {
2030	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2031		2913
2032	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2033	# get handled first	2915	# get handled first
…		…
2045	} else {	2927	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2929	}
2048	}	2930	}
2049	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
2050	);	2958	);
2051		2959
2052	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2053		2961
2054	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2097		3005
2098	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2099		3007
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2101		3013
2102	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2103		3015
2104	=pod	3016	=pod
2105		3017
2106	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2107		3019
2108	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2109	cf::object::player player	3024	cf::object::player
2110	cf::player peaceful	3025	player
2111	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2112		3032
2113	=cut	3033	=cut
2114		3034
2115	for (	3035	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2117	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2120	) {	3042	) {
2121	no strict 'refs';	3043	no strict 'refs';
…		…
2192	=back	3114	=back
2193		3115
2194	=cut	3116	=cut
2195		3117
2196	#############################################################################	3118	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	3119	# the server's init and main functions
2270		3120
2271	sub init_resources {	3121	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3122	my ($path) = @_;
		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3129
		3130	warn "loading facedata from $path\n";
		3131
		3132	my $facedata;
		3133	0 < aio_load $path, $facedata
		3134	or die "$path: $!";
		3135
		3136	$facedata = Coro::Storable::thaw $facedata;
		3137
		3138	$facedata->{version} == 2
		3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
		3148	{
		3149	my $faces = $facedata->{faceinfo};
		3150
		3151	while (my ($face, $info) = each %$faces) {
		3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
		3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	while (my ($face, $info) = each %$faces) {
		3162	next unless $info->{smooth};
		3163	my $idx = cf::face::find $face
		3164	or next;
		3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
		3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3168	} else {
		3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3170	}
		3171
		3172	cf::cede_to_tick;
		3173	}
		3174	}
		3175
		3176	{
		3177	my $anims = $facedata->{animinfo};
		3178
		3179	while (my ($anim, $info) = each %$anims) {
		3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3181	cf::cede_to_tick;
		3182	}
		3183
		3184	cf::anim::invalidate_all; # d'oh
		3185	}
		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
		3236	1
		3237	}
		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
		3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3253	or die "unable to load regions file\n";
2274	}
2275		3254
2276	sub cfg_load {	3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
		3259	}
		3260
		3261	sub reload_facedata {
		3262	load_facedata "$DATADIR/facedata"
		3263	or die "unable to load facedata\n";
		3264	}
		3265
		3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
		3274	}
		3275
		3276	sub reload_treasures {
		3277	load_resource_file "$DATADIR/treasures"
		3278	or die "unable to load treasurelists\n";
		3279	}
		3280
		3281	sub reload_resources {
		3282	warn "reloading resource files...\n";
		3283
		3284	reload_regions;
		3285	reload_facedata;
		3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
		3291	}
		3292
		3293	sub init {
		3294	reload_resources;
		3295	}
		3296
		3297	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3299	or return;
2279		3300
2280	local $/;	3301	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2282		3303
…		…
2292	};	3313	};
2293	warn $@ if $@;	3314	warn $@ if $@;
2294	}	3315	}
2295	}	3316	}
2296		3317
2297	sub init {
2298	init_resources;
2299	}
2300
2301	sub main {	3318	sub main {
2302	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3322	(async {
2306	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2308	};	3326	};
2309		3327
2310	cfg_load;	3328	reload_config;
2311	db_init;	3329	db_init;
2312	load_extensions;	3330	load_extensions;
2313		3331
2314	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
2315	Event::loop;	3333	EV::loop;
2316	}	3334	}
2317		3335
2318	#############################################################################	3336	#############################################################################
2319	# initialisation and cleanup	3337	# initialisation and cleanup
2320		3338
2321	# install some emergency cleanup handlers	3339	# install some emergency cleanup handlers
2322	BEGIN {	3340	BEGIN {
		3341	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3342	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3343	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3344	cf::cleanup "SIG$signal";
2331	},
2332	);	3345	};
		3346	}
		3347	}
		3348
		3349	sub write_runtime {
		3350	my $runtime = "$LOCALDIR/runtime";
		3351
		3352	# first touch the runtime file to show we are still running:
		3353	# the fsync below can take a very very long time.
		3354
		3355	IO::AIO::aio_utime $runtime, undef, undef;
		3356
		3357	my $guard = cf::lock_acquire "write_runtime";
		3358
		3359	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3360	or return;
		3361
		3362	my $value = $cf::RUNTIME + 90 + 10;
		3363	# 10 is the runtime save interval, for a monotonic clock
		3364	# 60 allows for the watchdog to kill the server.
		3365
		3366	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3367	and return;
		3368
		3369	# always fsync - this file is important
		3370	aio_fsync $fh
		3371	and return;
		3372
		3373	# touch it again to show we are up-to-date
		3374	aio_utime $fh, undef, undef;
		3375
		3376	close $fh
		3377	or return;
		3378
		3379	aio_rename "$runtime~", $runtime
		3380	and return;
		3381
		3382	warn "runtime file written.\n";
		3383
2333	}	3384	1
2334	}	3385	}
2335		3386
2336	sub emergency_save() {	3387	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3388	my $freeze_guard = cf::freeze_mainloop;
2338		3389
…		…
2344	# and maps saved/destroyed asynchronously.	3395	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3396	warn "begin emergency player save\n";
2346	for my $login (keys %cf::PLAYER) {	3397	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3398	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3399	$pl->valid or next;
		3400	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3401	$pl->save;
2350	}	3402	}
2351	warn "end emergency player save\n";	3403	warn "end emergency player save\n";
2352		3404
2353	warn "begin emergency map save\n";	3405	warn "begin emergency map save\n";
…		…
2371		3423
2372	warn Carp::longmess "post_cleanup backtrace"	3424	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3425	if $make_core;
2374	}	3426	}
2375		3427
2376	sub reload() {	3428	sub do_reload_perl() {
2377	# can/must only be called in main	3429	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3430	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3431	warn "can only reload from main coroutine";
2380	return;	3432	return;
2381	}	3433	}
…		…
2392	warn "syncing database to disk";	3444	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;	3445	BDB::db_env_txn_checkpoint $DB_ENV;
2394		3446
2395	# if anything goes wrong in here, we should simply crash as we already saved	3447	# if anything goes wrong in here, we should simply crash as we already saved
2396		3448
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401
2402	warn "flushing outstanding aio requests";	3449	warn "flushing outstanding aio requests";
2403	for (;;) {	3450	for (;;) {
2404	BDB::flush;	3451	BDB::flush;
2405	IO::AIO::flush;	3452	IO::AIO::flush;
2406	Coro::cede;	3453	Coro::cede_notself;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3454	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3455	warn "iterate...";
2409	}	3456	}
		3457
		3458	++$RELOAD;
2410		3459
2411	warn "cancelling all extension coros";	3460	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3461	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3462	%EXT_CORO = ();
2414		3463
2415	warn "removing commands";	3464	warn "removing commands";
2416	%COMMAND = ();	3465	%COMMAND = ();
2417		3466
2418	warn "removing ext commands";	3467	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3468	%EXTCMD = ();
		3469	%EXTICMD = ();
2420		3470
2421	warn "unloading/nuking all extensions";	3471	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3472	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3473	warn "... unloading $pkg";
2424		3474
…		…
2454	Symbol::delete_package "safe::$_"	3504	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3505	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3506
2457	warn "unloading cf.pm \"a bit\"";	3507	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3508	delete $INC{"cf.pm"};
		3509	delete $INC{"cf/pod.pm"};
2459		3510
2460	# don't, removes xs symbols, too,	3511	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3512	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3513	#Symbol::delete_package __PACKAGE__;
2463		3514
…		…
2466	warn "reloading cf.pm";	3517	warn "reloading cf.pm";
2467	require cf;	3518	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3519	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3520
2470	warn "loading config and database again";	3521	warn "loading config and database again";
2471	cf::cfg_load;	3522	cf::reload_config;
2472		3523
2473	warn "loading extensions";	3524	warn "loading extensions";
2474	cf::load_extensions;	3525	cf::load_extensions;
2475		3526
2476	warn "reattaching attachments to objects/players";	3527	warn "reattaching attachments to objects/players";
…		…
2478	warn "reattaching attachments to maps";	3529	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3530	reattach $_ for values %MAP;
2480	warn "reattaching attachments to players";	3531	warn "reattaching attachments to players";
2481	reattach $_ for values %PLAYER;	3532	reattach $_ for values %PLAYER;
2482		3533
2483	warn "loading reloadable resources";
2484	init_resources;
2485
2486	warn "leaving sync_job";	3534	warn "leaving sync_job";
2487		3535
2488	1	3536	1
2489	} or do {	3537	} or do {
2490	warn $@;	3538	warn $@;
…		…
2495	warn "reloaded";	3543	warn "reloaded";
2496	};	3544	};
2497		3545
2498	our $RELOAD_WATCHER; # used only during reload	3546	our $RELOAD_WATCHER; # used only during reload
2499		3547
		3548	sub reload_perl() {
		3549	# doing reload synchronously and two reloads happen back-to-back,
		3550	# coro crashes during coro_state_free->destroy here.
		3551
		3552	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3553	undef $RELOAD_WATCHER;
		3554	do_reload_perl;
		3555	};
		3556	}
		3557
2500	register_command "reload" => sub {	3558	register_command "reload" => sub {
2501	my ($who, $arg) = @_;	3559	my ($who, $arg) = @_;
2502		3560
2503	if ($who->flag (FLAG_WIZ)) {	3561	if ($who->flag (FLAG_WIZ)) {
2504	$who->message ("reloading server.");	3562	$who->message ("reloading server.");
2505		3563	async {
2506	# doing reload synchronously and two reloads happen back-to-back,	3564	$Coro::current->{desc} = "perl_reload";
2507	# coro crashes during coro_state_free->destroy here.
2508
2509	$RELOAD_WATCHER ||= Event->timer (
2510	reentrant => 0,
2511	after => 0,
2512	data => WF_AUTOCANCEL,
2513	cb => sub {
2514	reload;	3565	reload_perl;
2515	undef $RELOAD_WATCHER;
2516	},
2517	);	3566	};
2518	}	3567	}
2519	};	3568	};
2520		3569
2521	unshift @INC, $LIBDIR;	3570	unshift @INC, $LIBDIR;
2522		3571
2523	my $bug_warning = 0;	3572	my $bug_warning = 0;
2524		3573
2525	$TICK_WATCHER = Event->timer (	3574	our @WAIT_FOR_TICK;
2526	reentrant => 0,	3575	our @WAIT_FOR_TICK_BEGIN;
2527	parked => 1,	3576
2528	prio => 0,	3577	sub wait_for_tick {
2529	at => $NEXT_TICK || $TICK,	3578	return unless $TICK_WATCHER->is_active;
2530	data => WF_AUTOCANCEL,	3579	return if $Coro::current == $Coro::main;
2531	cb => sub {	3580
		3581	my $signal = new Coro::Signal;
		3582	push @WAIT_FOR_TICK, $signal;
		3583	$signal->wait;
		3584	}
		3585
		3586	sub wait_for_tick_begin {
		3587	return unless $TICK_WATCHER->is_active;
		3588	return if $Coro::current == $Coro::main;
		3589
		3590	my $signal = new Coro::Signal;
		3591	push @WAIT_FOR_TICK_BEGIN, $signal;
		3592	$signal->wait;
		3593	}
		3594
		3595	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2532	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3597	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534	unless ++$bug_warning > 10;	3598	unless ++$bug_warning > 10;
2535	return;	3599	return;
2536	}	3600	}
2537		3601
2538	$NOW = Event::time;	3602	$NOW = $tick_start = EV::now;
2539		3603
2540	cf::server_tick; # one server iteration	3604	cf::server_tick; # one server iteration
		3605
2541	$RUNTIME += $TICK;	3606	$RUNTIME += $TICK;
2542	$NEXT_TICK += $TICK;	3607	$NEXT_TICK += $TICK;
2543		3608
2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3609	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545	$NEXT_RUNTIME_WRITE = $NOW + 10;	3610	$NEXT_RUNTIME_WRITE = $NOW + 10;
2546	Coro::async_pool {	3611	Coro::async_pool {
		3612	$Coro::current->{desc} = "runtime saver";
2547	write_runtime	3613	write_runtime
2548	or warn "ERROR: unable to write runtime file: $!";	3614	or warn "ERROR: unable to write runtime file: $!";
2549	};
2550	}	3615	};
2551
2552	$WAIT_FOR_TICK->broadcast;
2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555	# my $AFTER = Event::time;
2556	# warn $AFTER - $NOW;#d#
2557
2558	# if we are delayed by four ticks or more, skip them all
2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2560
2561	$TICK_WATCHER->at ($NEXT_TICK);
2562	$TICK_WATCHER->start;
2563	},	3616	}
2564	);	3617
		3618	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3619	$sig->send;
		3620	}
		3621	while (my $sig = shift @WAIT_FOR_TICK) {
		3622	$sig->send;
		3623	}
		3624
		3625	$LOAD = ($NOW - $tick_start) / $TICK;
		3626	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3627
		3628	_post_tick;
		3629	};
		3630	$TICK_WATCHER->priority (EV::MAXPRI);
2565		3631
2566	{	3632	{
		3633	BDB::min_parallel 8;
2567	BDB::max_poll_time $TICK * 0.1;	3634	BDB::max_poll_time $TICK * 0.1;
2568	$BDB_POLL_WATCHER = Event->io (	3635	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2569	reentrant => 0,
2570	fd => BDB::poll_fileno,
2571	poll => 'r',
2572	prio => 0,
2573	data => WF_AUTOCANCEL,
2574	cb => \&BDB::poll_cb,
2575	);
2576	BDB::min_parallel 8;
2577		3636
2578	BDB::set_sync_prepare {	3637	BDB::set_sync_prepare {
2579	my $status;	3638	my $status;
2580	my $current = $Coro::current;	3639	my $current = $Coro::current;
2581	(	3640	(
…		…
2590	)	3649	)
2591	};	3650	};
2592		3651
2593	unless ($DB_ENV) {	3652	unless ($DB_ENV) {
2594	$DB_ENV = BDB::db_env_create;	3653	$DB_ENV = BDB::db_env_create;
		3654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3655	| BDB::LOG_AUTOREMOVE, 1);
		3656	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3657	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2595		3658
2596	cf::sync_job {	3659	cf::sync_job {
2597	eval {	3660	eval {
2598	BDB::db_env_open	3661	BDB::db_env_open
2599	$DB_ENV,	3662	$DB_ENV,
2600	$BDB_ENV_DIR,	3663	$BDBDIR,
2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603	0666;	3666	0666;
2604		3667
2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3668	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606
2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608	$DB_ENV->set_lk_detect;
2609	};	3669	};
2610		3670
2611	cf::cleanup "db_env_open(db): $@" if $@;	3671	cf::cleanup "db_env_open(db): $@" if $@;
2612	};	3672	};
2613	}	3673	}
		3674
		3675	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3676	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3677	};
		3678	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3679	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3680	};
		3681	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	};
2614	}	3684	}
2615		3685
2616	{	3686	{
2617	IO::AIO::min_parallel 8;	3687	IO::AIO::min_parallel 8;
2618		3688
2619	undef $Coro::AIO::WATCHER;	3689	undef $Coro::AIO::WATCHER;
2620	IO::AIO::max_poll_time $TICK * 0.1;	3690	IO::AIO::max_poll_time $TICK * 0.1;
2621	$AIO_POLL_WATCHER = Event->io (	3691	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2622	reentrant => 0,
2623	data => WF_AUTOCANCEL,
2624	fd => IO::AIO::poll_fileno,
2625	poll => 'r',
2626	prio => 6,
2627	cb => \&IO::AIO::poll_cb,
2628	);
2629	}	3692	}
		3693
		3694	my $_log_backtrace;
		3695
		3696	sub _log_backtrace {
		3697	my ($msg, @addr) = @_;
		3698
		3699	$msg =~ s/\n//;
		3700
		3701	# limit the # of concurrent backtraces
		3702	if ($_log_backtrace < 2) {
		3703	++$_log_backtrace;
		3704	async {
		3705	$Coro::current->{desc} = "abt $msg";
		3706
		3707	my @bt = fork_call {
		3708	@addr = map { sprintf "%x", $_ } @addr;
		3709	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3710	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3711	or die "addr2line: $!";
		3712
		3713	my @funcs;
		3714	my @res = <$fh>;
		3715	chomp for @res;
		3716	while (@res) {
		3717	my ($func, $line) = splice @res, 0, 2, ();
		3718	push @funcs, "[$func] $line";
		3719	}
		3720
		3721	@funcs
		3722	};
		3723
		3724	LOG llevInfo, "[ABT] $msg\n";
		3725	LOG llevInfo, "[ABT] $_\n" for @bt;
		3726	--$_log_backtrace;
		3727	};
		3728	} else {
		3729	LOG llevInfo, "[ABT] $msg\n";
		3730	LOG llevInfo, "[ABT] [suppressed]\n";
		3731	}
		3732	}
		3733
		3734	# load additional modules
		3735	use cf::pod;
2630		3736
2631	END { cf::emergency_save }	3737	END { cf::emergency_save }
2632		3738
2633	1	3739	1
2634		3740

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