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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 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 2.01 ();
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
48	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
49	our @EVENT;	60	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		61
52	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(!)
53	our $TICK_WATCHER;	75	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	78	our $NEXT_TICK;
57	our $NOW;	79	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		81
60	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	86	our $DB_ENV;
62		87
63	our %CFG;	88	our %CFG;
64		89
65	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	91	our $RUNTIME;
67		92
68	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		96
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		103
80	binmode STDOUT;	104	binmode STDOUT;
81	binmode STDERR;	105	binmode STDERR;
82		106
83	# read virtual server time, if available	107	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
88	}	112	}
89		113
90	mkdir cf::localdir;	114	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		116
97	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
98		118
99	sub cf::map::normalise;	119	sub cf::map::normalise;
100		120
…		…
111	=item $cf::RUNTIME	131	=item $cf::RUNTIME
112		132
113	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
114	every server tick.	134	every server tick.
115		135
116	=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
117		139
118	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		144
121	=item $cf::NOW	145	=item $cf::NOW
122		146
123	The time of the last (current) server tick.	147	The time of the last (current) server tick.
124		148
125	=item $cf::TICK	149	=item $cf::TICK
126		150
127	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
128		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
129	=item %cf::CFG	163	=item %cf::CFG
130		164
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	166	from wherever your confdir points to.
133		167
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		169
136	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
137	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
138	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.
139	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.
140		179
141	=back	180	=back
142		181
143	=cut	182	=cut
144		183
145	BEGIN {	184	BEGIN {
146	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	186	my $msg = join "", @_;
148	utf8::encode $msg;
149		187
150	$msg .= "\n"	188	$msg .= "\n"
151	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152		192
153	LOG llevError, $msg;	193	LOG llevError, $msg;
154	};	194	};
155	}	195	}
156		196
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		204
164	# 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
165	# within the Safe compartment.	206	# within the Safe compartment.
166	for my $pkg (qw(	207	for my $pkg (qw(
167	cf::global cf::attachable	208	cf::global cf::attachable
…		…
172	)) {	213	)) {
173	no strict 'refs';	214	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	216	}
176		217
177	$Event::DIED = sub {	218	$EV::DIED = sub {
178	warn "error in event callback: @_";	219	warn "error in event callback: @_";
179	};	220	};
		221
		222	#############################################################################
180		223
181	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
182		225
183	=over 4	226	=over 4
184		227
…		…
203	$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;
204	$d	247	$d
205	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
206	}	249	}
207		250
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
211		252
212	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
213		254
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
222		256
223	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
224		258
225	=cut	259	=cut
226		260
227	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
229	JSON::Syck::Dump $_[0]	263	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	264	sub decode_json($) { $json_coder->decode ($_[0]) }
231		265
232	=item cf::lock_wait $string	266	=item cf::lock_wait $string
233		267
234	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
235		269
…		…
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
241	returned.	275	returned.
242		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
243	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
244	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
245		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
246	=cut	287	=cut
247		288
248	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
249		291
250	sub lock_wait($) {	292	sub lock_wait($) {
251	my ($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#
252		299
253	# wait for lock, if any	300	# wait for lock, if any
254	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	303	Coro::schedule;
…		…
262		309
263	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
264	lock_wait $key;	311	lock_wait $key;
265		312
266	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
267		315
268	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
271	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
272	}	327	}
273		328
274	sub freeze_mainloop {	329	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
276		331
…		…
279	};	334	};
280	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
281	$guard	336	$guard
282	}	337	}
283		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	$sig->wait;
		410	}
		411
284	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
285		413
286	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
291		419
292	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
293		421
294	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
295		423
296	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
299		428
300	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
303	fast or be very important.	432	fast or be very important.
…		…
306		435
307	sub sync_job(&) {	436	sub sync_job(&) {
308	my ($job) = @_;	437	my ($job) = @_;
309		438
310	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
311	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
313		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
314	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	448	# (but this is cancel-safe)
316	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
317		450
318	my $busy = 1;	451	my $busy = 1;
319	my @res;	452	my @res;
320		453
321	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	456	@res = eval { $job->() };
323	warn $@ if $@;	457	warn $@ if $@;
324	undef $busy;	458	undef $busy;
325	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
326		460
327	while ($busy) {	461	while ($busy) {
328	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
329	}	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
330		475
331	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
332	} else {	477	} else {
333	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
334		479
…		…
354	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
355		500
356	$coro	501	$coro
357	}	502	}
358		503
359	sub write_runtime {	504	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		505
362	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.
363		510
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	511	=cut
365	or return;
366		512
367	my $value = $cf::RUNTIME + 90 + 10;	513	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	514	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		515
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	516	# we seemingly have to make a local copy of the whole thing,
372	and return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
373		519
374	# always fsync - this file is important	520	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	521	reset_signals;
376	and return;	522	&$cb
		523	}, @args;
377		524
378	close $fh	525	wantarray ? @res : $res[-1]
379	or return;	526	}
380		527
381	aio_rename "$runtime~", $runtime	528	=item $value = cf::db_get $family => $key
382	and return;
383		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($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
384	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		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 });
385	}	664	}
386		665
387	=back	666	=back
388		667
389	=cut	668	=cut
…		…
396	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")
397	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
398		677
399	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>
400	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
401	crossfire+).	680	Deliantra).
402		681
403	=over 4	682	=over 4
404		683
405	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
406		685
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
570		849
571	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		854
576	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	856	my $pkg = shift @arg;
578		857
579	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
609	}	888	}
610		889
611	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
612	} else {	891	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	893	}
615		894
616	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
617	}	896	}
618		897
…		…
620	if (ref $_[0]) {	899	if (ref $_[0]) {
621	_object_attach @_;	900	_object_attach @_;
622	} else {	901	} else {
623	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
624	}	903	}
		904	_recalc_want;
625	};	905	};
626		906
627	# all those should be optimised	907	# all those should be optimised
628	sub cf::attachable::detach {	908	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
633	reattach ($obj);	913	reattach ($obj);
634	} else {	914	} else {
635	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
636	}	916	}
		917	_recalc_want;
637	};	918	};
638		919
639	sub cf::attachable::attached {	920	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
641		922
…		…
656	";	937	";
657	die if $@;	938	die if $@;
658	}	939	}
659		940
660	our $override;	941	our $override;
661	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?
662		943
663	sub override {	944	sub override {
664	$override = 1;	945	$override = 1;
665	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
666	}	947	}
667		948
668	sub do_invoke {	949	sub do_invoke {
669	my $event = shift;	950	my $event = shift;
670	my $callbacks = shift;	951	my $callbacks = shift;
671		952
672	@invoke_results = ();	953	@INVOKE_RESULTS = ();
673		954
674	local $override;	955	local $override;
675		956
676	for (@$callbacks) {	957	for (@$callbacks) {
677	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
694		975
695	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
696		977
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		981
701	=back	982	=back
702		983
703	=cut	984	=cut
704		985
705	#############################################################################	986	#############################################################################
706	# 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, $ob2
		1029	}
707		1030
708	sub reattach {	1031	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1033	my ($obj) = @_;
711		1034
…		…
732	cf::attachable->attach (	1055	cf::attachable->attach (
733	prio => -1000000,	1056	prio => -1000000,
734	on_instantiate => sub {	1057	on_instantiate => sub {
735	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
736		1059
737	$data = from_json $data;	1060	$data = decode_json $data;
738		1061
739	for (@$data) {	1062	for (@$data) {
740	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
741		1064
742	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1081	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
760		1083
761	sync_job {	1084	sync_job {
762	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
765		1089
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1094	close $fh;
771		1095
772	if (@$objs) {	1096	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1102	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
780	}	1104	}
…		…
788	}	1112	}
789	} else {	1113	} else {
790	aio_unlink $filename;	1114	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
792	}	1116	}
793	}	1117	};
794	}	1118	}
795		1119
796	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
798		1122
…		…
810	or return;	1134	or return;
811		1135
812	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
814	or return;	1138	or return;
		1139
815	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
816	}	1142	}
817		1143
		1144	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
820	return ($data, $av);	1148	($data, $av)
821	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
822		1156
823	#############################################################################	1157	#############################################################################
824	# command handling &c	1158	# command handling &c
825		1159
826	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1174	}
841		1175
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1177
844	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.
845		1183
846	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
847	called.	1185	called.
848		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
849	=cut	1198	=cut
850		1199
851	sub register_extcmd {	1200	sub register_extcmd {
852	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
853		1202
854	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
855	}	1210	}
856		1211
857	cf::player->attach (	1212	cf::player->attach (
858	on_command => sub {	1213	on_command => sub {
859	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1223	cf::override;
869	},	1224	},
870	on_extcmd => sub {	1225	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
872		1227
873	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1229
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
881	} else {	1245	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1247	}
884		1248
885	cf::override;	1249	cf::override;
886	},	1250	},
887	);	1251	);
888		1252
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
924	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1258	next unless -r $path;
926	eval {	1259
927	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	$progress = 1;
928	1	1317	}
929	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
930	}	1323	};
931	}	1324	}
932		1325
933	#############################################################################	1326	#############################################################################
934		1327
		1328	=back
		1329
935	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
936		1331
937	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
938		1333
939	=cut	1334	=cut
…		…
944		1339
945	=head3 cf::player	1340	=head3 cf::player
946		1341
947	=over 4	1342	=over 4
948		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
949	=item cf::player::find $login	1358	=item cf::player::find $login
950		1359
951	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
952		1361
953	=cut	1362	=cut
954		1363
955	sub playerdir($) {	1364	sub playerdir($) {
956	cf::localdir	1365	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1367	}
962		1368
963	sub path($) {	1369	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1371
966	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
967	}	1373	}
968		1374
969	sub find_active($) {	1375	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1390	my $login = $_[0];
985		1391
986	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
987		1393
988	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
989	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
990	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;
991	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
992	}	1410	}
993	}	1411	}
994	}	1412	}
995		1413
…		…
1005		1423
1006	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1008		1426
1009	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1010	Coro::cede;	1428	cf::cede_to_tick;
1011	}	1429	}
1012		1430
1013	sub new($) {	1431	sub new($) {
1014	my ($login) = @_;	1432	my ($login) = @_;
1015		1433
…		…
1019	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1020		1438
1021	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1022		1440
1023	$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 (@_);
1024	}	1452	}
1025		1453
1026	=item $pl->quit_character	1454	=item $pl->quit_character
1027		1455
1028	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
…		…
1077	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1078		1506
1079	=cut	1507	=cut
1080		1508
1081	sub list_logins {	1509	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1511	or return [];
1084		1512
1085	my @logins;	1513	my @logins;
1086		1514
1087	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") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1091		1524
1092	utf8::decode $login;	1525	utf8::decode $login;
1093	push @logins, $login;	1526	push @logins, $login;
1094	}	1527	}
1095		1528
…		…
1122	}	1555	}
1123		1556
1124	\@paths	1557	\@paths
1125	}	1558	}
1126		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
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1128		1654
1129	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1130		1656
1131	=cut	1657	=cut
1132		1658
1133	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1135		1661
1136	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1663	}
1140		1664
1141	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	$match
		1704	}
1142		1705
1143	=back	1706	=back
1144
1145		1707
1146	=head3 cf::map	1708	=head3 cf::map
1147		1709
1148	=over 4	1710	=over 4
1149		1711
…		…
1204	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1205		1767
1206	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1207	local $self->{path};	1769	local $self->{path};
1208	local $self->{load_path};	1770	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1771
1212	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1213	}	1773	}
1214		1774
1215	sub normalise {	1775	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1263	return $self;	1823	return $self;
1264	}	1824	}
1265	}	1825	}
1266		1826
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1828	()
1269	}	1829	}
1270		1830
1271	sub init {	1831	sub init {
1272	my ($self) = @_;	1832	my ($self) = @_;
…		…
1287		1847
1288	# the original (read-only) location	1848	# the original (read-only) location
1289	sub load_path {	1849	sub load_path {
1290	my ($self) = @_;	1850	my ($self) = @_;
1291		1851
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1293	}	1853	}
1294		1854
1295	# the temporary/swap location	1855	# the temporary/swap location
1296	sub save_path {	1856	sub save_path {
1297	my ($self) = @_;	1857	my ($self) = @_;
1298		1858
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1301	}	1861	}
1302		1862
1303	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1304	sub uniq_path {	1864	sub uniq_path {
1305	my ($self) = @_;	1865	my ($self) = @_;
1306		1866
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1309	}	1869	}
1310		1870
1311	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1312	# all maps in C++...	1872	# all maps in C++...
1313	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1315		1875
1316	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1318	}	1878	}
1319		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1320	sub unlink_save {	1888	sub unlink_save {
1321	my ($self) = @_;	1889	my ($self) = @_;
1322		1890
1323	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1895
1328	sub load_header_from($) {	1896	sub load_header_from($) {
1329	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1330		1898
1331	utf8::encode $path;	1899	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	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;
1337		1908
1338	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1339		1910
1340	1	1911	1
1341	}	1912	}
…		…
1380	$self->load_header_orig	1951	$self->load_header_orig
1381	or return;	1952	or return;
1382	$self->prepare_orig;	1953	$self->prepare_orig;
1383	}	1954	}
1384		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 $self->default_region;
		1961
1385	1	1962	1
1386	}	1963	}
1387		1964
1388	sub find;	1965	sub find;
1389	sub find {	1966	sub find {
1390	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1391		1968
1392	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1393		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1395		1973
1396	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1397	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
1398	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1399	or return;	1979	or return;
1400		1980
1401	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1402		1982
1403	$map->load_header	1983	$map->load_header
1404	or return;	1984	or return;
1405		1985
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1409	$map->reset;	1991	$map->reset;
1410	undef $guard;
1411	return find $path;	1992	return find $path;
1412	}	1993	}
1413		1994
1414	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1415	}	1996	}
…		…
1422	my ($self) = @_;	2003	my ($self) = @_;
1423		2004
1424	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1425		2006
1426	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1428		2011
		2012	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2014
1431	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1432		2016
1433	$self->alloc;	2017	$self->alloc;
1434		2018
1435	$self->pre_load;	2019	$self->pre_load;
		2020	cf::cede_to_tick;
1436		2021
1437	$self->_load_objects ($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)
1438	or return;	2025	or return;
1439		2026
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2028	if delete $self->{load_original};
1442		2029
1443	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2031	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2034	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1448	}	2038	}
1449	}	2039	}
1450		2040
1451	Coro::cede;	2041	$f->resolve_delayed_derefs;
1452		2042
		2043	cf::cede_to_tick;
1453	# now do the right thing for maps	2044	# now do the right thing for maps
1454	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2047	unless $self->difficulty;
1464	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($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;
1465	$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);
1466	}	2064	}
1467		2065
1468	$self->post_load;	2066	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2067	}
1472		2068
1473	sub customise_for {	2069	sub customise_for {
1474	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1475		2071
1476	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2073	if $self->per_player;
1478		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1479	$self	2078	$self
1480	}	2079	}
1481		2080
1482	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2082	sub load_neighbours {
1484	my ($map) = @_;	2083	my ($map) = @_;
1485		2084
1486	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1487		2086
1488	for (0 .. 3) {	2087	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1490	or next;	2089	or next;
1491	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1492	or next;	2091	or next;
1493	$neigh->load;	2092	$neigh->load;
1494		2093
		2094	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2097	}
1498		2098
1499	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1501	or next;	2102	or next;
1502	$neigh->load;	2103	$neigh->load;
1503	}	2104	}
1504	}	2105	}
1505		2106
…		…
1510	}	2111	}
1511		2112
1512	sub do_load_sync {	2113	sub do_load_sync {
1513	my ($map) = @_;	2114	my ($map) = @_;
1514		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1515	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1516	}	2120	}
1517		2121
1518	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1520		2124
1521	sub find_async {	2125	sub find_async {
1522	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1523		2127
1524	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1525		2129
1526	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2132	}
1529		2133
1530	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1531	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1532	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2141	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2142	$map->load if $v;
		2143	}
1537		2144
1538	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1539	}	2146	}
1540	}	2147	}
1541	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1542	};	2149	};
1543	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2153	}
1547		2154
1548	sub save {	2155	sub save {
1549	my ($self) = @_;	2156	my ($self) = @_;
1550		2157
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2159
1553	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1554		2161
1555	return unless $self->dirty;	2162	return unless $self->dirty;
1556		2163
…		…
1562	return if $self->{deny_save};	2169	return if $self->{deny_save};
1563		2170
1564	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1565		2172
1566	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1568	};	2176	};
1569		2177
1570	if ($uniq) {	2178	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2187	my ($self) = @_;
1580		2188
1581	# save first because save cedes	2189	# save first because save cedes
1582	$self->save;	2190	$self->save;
1583		2191
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2193
1586	return if $self->players;	2194	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2196	return if $self->{deny_save};
1589		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2202	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2203	}
1593		2204
1594	sub reset_at {	2205	sub reset_at {
1595	my ($self) = @_;	2206	my ($self) = @_;
1596		2207
1597	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1600		2210
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2213
…		…
1614	my ($self) = @_;	2224	my ($self) = @_;
1615		2225
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2227
1618	return if $self->players;	2228	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2229
1621	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
1622		2231
1623	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
1624		2233
1625	# need to save uniques path	2234	# need to save uniques path
1626	unless ($self->{deny_save}) {	2235	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2239	if $uniq;
1631	}	2240	}
1632		2241
1633	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1634		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2246	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2247
1639	$self->unlink_save;	2248	$self->unlink_save;
1640	$self->destroy;	2249	$self->destroy;
1641	}	2250	}
1642		2251
1643	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1644		2253
1645	sub nuke {	2254	sub nuke {
1646	my ($self) = @_;	2255	my ($self) = @_;
1647		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1648	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1649		2261
1650	$self->unlink_save;	2262	$self->unlink_save;
1651		2263
1652	bless $self, "cf::map";	2264	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2269
1658	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1659		2272
1660	$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	]
1661	}	2310	}
1662		2311
1663	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1664		2313
1665	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2315	instantiated unique items. May block.
1667		2316
1668	=cut	2317	=cut
1669		2318
1670	sub unique_maps() {	2319	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1672	or return;	2321	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2322	utf8::decode $_;
1678	next if /\.pst$/;	2323	/\.map$/
1679	next unless /^$PATH_SEP/o;	2324	? normalise $_
1680		2325	: ()
1681	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2327	]
1683
1684	\@paths
1685	}	2328	}
1686		2329
1687	package cf;	2330	package cf;
1688		2331
1689	=back	2332	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1708	}	2351	}
1709		2352
1710	sub inv_recursive {	2353	sub inv_recursive {
1711	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	}
1712	}	2383	}
1713		2384
1714	package cf;	2385	package cf;
1715		2386
1716	=back	2387	=back
…		…
1735		2406
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2408
1738	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1740	} 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 {
1741	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1743	}	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 (@_);
1744	}	2434	}
1745		2435
1746	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1747		2437
1748	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1796		2486
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2488
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1801		2491
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2493	}
1804		2494
1805	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1807		2499
1808	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1809		2501
1810	unless ($map) {	2502	unless ($map) {
1811	# restore original map position	2503	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1828		2520
1829	$map->load;	2521	$map->load;
1830	$map->load_diag;	2522	$map->load_neighbours;
1831		2523
1832	return unless $self->contr->active;	2524	return unless $self->contr->active;
1833	$self->activate_recursive;	2525	$self->activate_recursive;
1834		2526
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1837	}	2529	}
1838		2530
1839	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2532
1843	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1847	};	2537	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2538
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1874		2542
1875	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1876	my ($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;
1877		2548
1878	$self->enter_link;	2549	$self->enter_link;
1879		2550
1880	(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
1881	my $map = eval {	2573	my $map = eval {
1882	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2589	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1889	})->prio (1);	2597	})->prio (1);
1890	}	2598	}
1891		2599
1892	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1893		2601
…		…
1930	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
1931	}	2639	}
1932		2640
1933	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1934		2642
1935	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1938		2646
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2649	undef $fh;
1942	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
…		…
1951		2659
1952	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1953		2661
1954	if ($exit->slaying eq "/!") {	2662	if ($exit->slaying eq "/!") {
1955	#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
1956	cf::sync_job { prepare_random_map $exit };	2666	cf::sync_job { prepare_random_map $exit };
1957	}	2667	}
1958		2668
1959	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;
1960	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
1962		2672
1963	$self->enter_link;	2673	$self->enter_link;
1964		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
1965	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1966	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2683	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
1969		2685
1970	1;	2686	1;
1971	}) {	2687	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "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. "
1974	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2692
1977	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2694	$self->leave_link;
1979	}	2695	}
1980	})->prio (1);	2696	})->prio (1);
…		…
1993		2709
1994	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1996		2712
1997	utf8::encode $text;	2713	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2715	}
2000		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	}
2001		2875
2002	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2003		2877
2004	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2881
2008	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
2009	reliable at some point in the future.	2883	become reliable at some point in the future.
2010		2884
2011	=cut	2885	=cut
2012		2886
2013	sub cf::client::query {	2887	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2896	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2898
2025	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2027	}	2903	}
2028		2904
2029	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2030	on_reply => sub {	2911	on_reply => sub {
2031	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2032		2913
2033	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2034	# get handled first	2915	# get handled first
…		…
2046	} else {	2927	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2929	}
2049	}	2930	}
2050	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($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	},
2051	);	2958	);
2052		2959
2053	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2054		2961
2055	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2098		3005
2099	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2100		3007
2101	$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	));
2102		3013
2103	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2104		3015
2105	=pod	3016	=pod
2106		3017
2107	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2108		3019
2109	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
2110	cf::object::player player	3024	cf::object::player
2111	cf::player peaceful	3025	player
2112	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2113		3032
2114	=cut	3033	=cut
2115		3034
2116	for (	3035	for (
2117	["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)],
2118	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2121	) {	3042	) {
2122	no strict 'refs';	3043	no strict 'refs';
…		…
2193	=back	3114	=back
2194		3115
2195	=cut	3116	=cut
2196		3117
2197	#############################################################################	3118	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3119	# the server's init and main functions
2271		3120
2272	sub load_faces {	3121	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3122	my ($path) = @_;
2274		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
2275	warn "loading faces from $path\n";	3130	warn "loading facedata from $path\n";
2276		3131
2277	my $faces;	3132	my $facedata;
2278	0 < aio_load $path, $faces	3133	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3134	or die "$path: $!";
2280		3135
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3136	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		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 = $facedata->{faceinfo};
		3150
2285	while (my ($face, $info) = each %$faces) {	3151	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	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 => $face;
		3232	}
		3233	}
2290	}	3234	}
2291		3235
2292	1	3236	1
2293	}	3237	}
2294		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($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"
		3253	or die "unable to load regions file\n";
		3254
		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
2295	sub reload_resources {	3281	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3282	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3283
		3284	reload_regions;
2298	load_faces	3285	reload_facedata;
2299	or die "unable to load faces\n";#d#	3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
2300	}	3291	}
2301		3292
2302	sub init {	3293	sub init {
2303	reload_resources;	3294	reload_resources;
2304	}	3295	}
2305		3296
2306	sub cfg_load {	3297	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3299	or return;
2309		3300
2310	local $/;	3301	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2312		3303
…		…
2327	sub main {	3318	sub main {
2328	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2330	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#
2331	(async {	3322	(async {
2332	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2334	};	3326	};
2335		3327
2336	cfg_load;	3328	reload_config;
2337	db_init;	3329	db_init;
2338	load_extensions;	3330	load_extensions;
2339		3331
2340	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2341	Event::loop;	3334	EV::loop;
2342	}	3335	}
2343		3336
2344	#############################################################################	3337	#############################################################################
2345	# initialisation and cleanup	3338	# initialisation and cleanup
2346		3339
2347	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2348	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2357	},
2358	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2359	}	3385	1
2360	}	3386	}
2361		3387
2362	sub emergency_save() {	3388	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2364		3390
…		…
2370	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3402	$pl->save;
2376	}	3403	}
2377	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2378		3405
2379	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2397		3424
2398	warn Carp::longmess "post_cleanup backtrace"	3425	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3426	if $make_core;
2400	}	3427	}
2401		3428
2402	sub reload() {	3429	sub do_reload_perl() {
2403	# can/must only be called in main	3430	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3431	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3432	warn "can only reload from main coroutine";
2406	return;	3433	return;
2407	}	3434	}
…		…
2418	warn "syncing database to disk";	3445	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3447
2421	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2422		3449
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3450	warn "flushing outstanding aio requests";
2429	for (;;) {	3451	for (;;) {
2430	BDB::flush;	3452	BDB::flush;
2431	IO::AIO::flush;	3453	IO::AIO::flush;
2432	Coro::cede;	3454	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3455	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3456	warn "iterate...";
2435	}	3457	}
2436		3458
2437	++$RELOAD;	3459	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3463	%EXT_CORO = ();
2442		3464
2443	warn "removing commands";	3465	warn "removing commands";
2444	%COMMAND = ();	3466	%COMMAND = ();
2445		3467
2446	warn "removing ext commands";	3468	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2448		3471
2449	warn "unloading/nuking all extensions";	3472	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2452		3475
…		…
2482	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3507
2485	warn "unloading cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2487		3511
2488	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3513	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2491		3515
…		…
2494	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2495	require cf;	3519	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3521
2498	warn "loading config and database again";	3522	warn "loading config and database again";
2499	cf::cfg_load;	3523	cf::reload_config;
2500		3524
2501	warn "loading extensions";	3525	warn "loading extensions";
2502	cf::load_extensions;	3526	cf::load_extensions;
2503		3527
2504	warn "reattaching attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3530	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3531	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3532	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3533	reattach $_ for values %PLAYER;
2510		3534
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3535	warn "leaving sync_job";
2515		3536
2516	1	3537	1
2517	} or do {	3538	} or do {
2518	warn $@;	3539	warn $@;
…		…
2523	warn "reloaded";	3544	warn "reloaded";
2524	};	3545	};
2525		3546
2526	our $RELOAD_WATCHER; # used only during reload	3547	our $RELOAD_WATCHER; # used only during reload
2527		3548
		3549	sub reload_perl() {
		3550	# doing reload synchronously and two reloads happen back-to-back,
		3551	# coro crashes during coro_state_free->destroy here.
		3552
		3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3554	undef $RELOAD_WATCHER;
		3555	do_reload_perl;
		3556	};
		3557	}
		3558
2528	register_command "reload" => sub {	3559	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2530		3561
2531	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
2533		3564	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3565	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3566	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3567	};
2546	}	3568	}
2547	};	3569	};
2548		3570
2549	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2550		3572
2551	my $bug_warning = 0;	3573	my $bug_warning = 0;
2552		3574
2553	$TICK_WATCHER = Event->timer (	3575	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3576	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3577
2556	prio => 0,	3578	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3579	return unless $TICK_WATCHER->is_active;
2558	data => WF_AUTOCANCEL,	3580	return if $Coro::current == $Coro::main;
2559	cb => sub {	3581
		3582	my $signal = new Coro::Signal;
		3583	push @WAIT_FOR_TICK, $signal;
		3584	$signal->wait;
		3585	}
		3586
		3587	sub wait_for_tick_begin {
		3588	return unless $TICK_WATCHER->is_active;
		3589	return if $Coro::current == $Coro::main;
		3590
		3591	my $signal = new Coro::Signal;
		3592	push @WAIT_FOR_TICK_BEGIN, $signal;
		3593	$signal->wait;
		3594	}
		3595
		3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2560	if ($Coro::current != $Coro::main) {	3597	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3599	unless ++$bug_warning > 10;
2563	return;	3600	return;
2564	}	3601	}
2565		3602
2566	$NOW = Event::time;	3603	$NOW = $tick_start = EV::now;
2567		3604
2568	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
		3606
2569	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2571		3609
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2574	Coro::async_pool {	3612	Coro::async_pool {
		3613	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3614	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3616	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3617	}
2592	);	3618
		3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3620	$sig->send;
		3621	}
		3622	while (my $sig = shift @WAIT_FOR_TICK) {
		3623	$sig->send;
		3624	}
		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
		3629	_post_tick;
		3630	};
		3631	$TICK_WATCHER->priority (EV::MAXPRI);
2593		3632
2594	{	3633	{
		3634	BDB::min_parallel 8;
2595	BDB::max_poll_time $TICK * 0.1;	3635	BDB::max_poll_time $TICK * 0.1;
2596	$BDB_POLL_WATCHER = Event->io (	3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;
2605		3637
2606	BDB::set_sync_prepare {	3638	BDB::set_sync_prepare {
2607	my $status;	3639	my $status;
2608	my $current = $Coro::current;	3640	my $current = $Coro::current;
2609	(	3641	(
…		…
2618	)	3650	)
2619	};	3651	};
2620		3652
2621	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3659
2624	cf::sync_job {	3660	cf::sync_job {
2625	eval {	3661	eval {
2626	BDB::db_env_open	3662	BDB::db_env_open
2627	$DB_ENV,	3663	$DB_ENV,
2628	$BDB_ENV_DIR,	3664	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3667	0666;
2632		3668
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3670	};
2638		3671
2639	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3673	};
2641	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2642	}	3685	}
2643		3686
2644	{	3687	{
2645	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2646		3689
2647	undef $Coro::AIO::WATCHER;	3690	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2658		3737
2659	END { cf::emergency_save }	3738	END { cf::emergency_save }
2660		3739
2661	1	3740	1
2662		3741

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