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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.401 by root, Mon Dec 17 06:45:53 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 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
26	use Time::HiRes;	34	use Time::HiRes;
27	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
28		37
		38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30
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		43
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		81
59	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	86	our $DB_ENV;
61		87
62	our %CFG;	88	our %CFG;
63		89
64	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
66		93
67	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		97
76	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
79	binmode STDOUT;	105	binmode STDOUT;
80	binmode STDERR;	106	binmode STDERR;
81		107
82	# read virtual server time, if available	108	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
87	}	113	}
88		114
89	mkdir cf::localdir;	115	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		117
96	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
97		119
98	sub cf::map::normalise;	120	sub cf::map::normalise;
99		121
…		…
110	=item $cf::RUNTIME	132	=item $cf::RUNTIME
111		133
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	135	every server tick.
114		136
115	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		140
117	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
119		145
120	=item $cf::NOW	146	=item $cf::NOW
121		147
122	The time of the last (current) server tick.	148	The time of the last (current) server tick.
123		149
124	=item $cf::TICK	150	=item $cf::TICK
125		151
126	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
127		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
		163
128	=item %cf::CFG	164	=item %cf::CFG
129		165
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	167	from wherever your confdir points to.
132		168
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		170
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
139		180
140	=back	181	=back
141		182
142	=cut	183	=cut
143		184
144	BEGIN {	185	BEGIN {
145	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	187	my $msg = join "", @_;
147	utf8::encode $msg;
148		188
149	$msg .= "\n"	189	$msg .= "\n"
150	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		193
152	LOG llevError, $msg;	194	LOG llevError, $msg;
153	};	195	};
154	}	196	}
155		197
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		205
163	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	207	# within the Safe compartment.
165	for my $pkg (qw(	208	for my $pkg (qw(
166	cf::global cf::attachable	209	cf::global cf::attachable
…		…
171	)) {	214	)) {
172	no strict 'refs';	215	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	217	}
175		218
176	$Event::DIED = sub {	219	$EV::DIED = sub {
177	warn "error in event callback: @_";	220	warn "error in event callback: @_";
178	};	221	};
		222
		223	#############################################################################
179		224
180	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
181		226
182	=over 4	227	=over 4
183		228
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	248	$d
204	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
205	}	250	}
206		251
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
210		253
211	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
212		255
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
221		257
222	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
223		259
224	=cut	260	=cut
225		261
226	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
228	JSON::Syck::Dump $_[0]	264	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	265	sub decode_json($) { $json_coder->decode ($_[0]) }
230		266
231	=item cf::lock_wait $string	267	=item cf::lock_wait $string
232		268
233	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
234		270
…		…
237	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
240	returned.	276	returned.
241		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
242	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
244		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
245	=cut	288	=cut
246		289
247	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
248		292
249	sub lock_wait($) {	293	sub lock_wait($) {
250	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
251		300
252	# wait for lock, if any	301	# wait for lock, if any
253	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	304	Coro::schedule;
…		…
261		310
262	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
263	lock_wait $key;	312	lock_wait $key;
264		313
265	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
266		316
267	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
270	}	321	}
271	}	322	}
272		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
273	sub freeze_mainloop {	330	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
275		332
276	my $guard = Coro::guard {	333	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	335	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
282	$guard	337	$guard
		338	}
		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
		353	}
		354
		355	=item cf::get_slot $time[, $priority[, $name]]
		356
		357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		358	This call blocks and returns only when you have at least C<$time> seconds
		359	of cpu time till the next tick. The slot is only valid till the next cede.
		360
		361	The optional C<$name> can be used to identify the job to run. It might be
		362	used for statistical purposes and should identify the same time-class.
		363
		364	Useful for short background jobs.
		365
		366	=cut
		367
		368	our @SLOT_QUEUE;
		369	our $SLOT_QUEUE;
		370
		371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		372	$SLOT_QUEUE = Coro::async {
		373	$Coro::current->desc ("timeslot manager");
		374
		375	my $signal = new Coro::Signal;
		376
		377	while () {
		378	next_job:
		379	my $avail = cf::till_tick;
		380	if ($avail > 0.01) {
		381	for (0 .. $#SLOT_QUEUE) {
		382	if ($SLOT_QUEUE[$_][0] < $avail) {
		383	my $job = splice @SLOT_QUEUE, $_, 1, ();
		384	$job->[2]->send;
		385	Coro::cede;
		386	goto next_job;
		387	}
		388	}
		389	}
		390
		391	if (@SLOT_QUEUE) {
		392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		393	push @cf::WAIT_FOR_TICK, $signal;
		394	$signal->wait;
		395	} else {
		396	Coro::schedule;
		397	}
		398	}
		399	};
		400
		401	sub get_slot($;$$) {
		402	my ($time, $pri, $name) = @_;
		403
		404	$time = $TICK * .6 if $time > $TICK * .6;
		405	my $sig = new Coro::Signal;
		406
		407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		409	$SLOT_QUEUE->ready;
		410	$sig->wait;
283	}	411	}
284		412
285	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
286		414
287	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		420
293	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
294		422
295	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
296		424
297	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
300		429
301	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
304	fast or be very important.	433	fast or be very important.
…		…
307		436
308	sub sync_job(&) {	437	sub sync_job(&) {
309	my ($job) = @_;	438	my ($job) = @_;
310		439
311	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
		441	my $time = EV::time;
		442
312	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
314		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
315	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	449	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
318		451
319	my $busy = 1;	452	my $busy = 1;
320	my @res;	453	my @res;
321		454
322	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	457	@res = eval { $job->() };
324	warn $@ if $@;	458	warn $@ if $@;
325	undef $busy;	459	undef $busy;
326	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
327		461
328	while ($busy) {	462	while ($busy) {
329	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
330	}	467	}
		468	}
		469
		470	$time = EV::time - $time;
		471
		472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		474
		475	$tick_start += $time; # do not account sync jobs to server load
331		476
332	wantarray ? @res : $res[0]	477	wantarray ? @res : $res[0]
333	} else {	478	} else {
334	# we are in another coroutine, how wonderful, everything just works	479	# we are in another coroutine, how wonderful, everything just works
335		480
…		…
355	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
356		501
357	$coro	502	$coro
358	}	503	}
359		504
360	sub write_runtime {	505	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		506
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	507	Executes the given code block with the given arguments in a seperate
364	or return;	508	process, returning the results. Everything must be serialisable with
		509	Coro::Storable. May, of course, block. Note that the executed sub may
		510	never block itself or use any form of event handling.
365		511
366	my $value = $cf::RUNTIME + 90 + 10;	512	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		513
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	514	sub fork_call(&@) {
371	and return;	515	my ($cb, @args) = @_;
372		516
373	# always fsync - this file is important	517	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	518	# otherwise perl prematurely frees the stuff :/
375	and return;	519	# TODO: investigate and fix (likely this will be rather laborious)
376		520
377	close $fh	521	my @res = Coro::Util::fork_eval {
378	or return;	522	reset_signals;
		523	&$cb
		524	}, @args;
379		525
380	aio_rename "$runtime~", $runtime	526	wantarray ? @res : $res[-1]
381	and return;	527	}
382		528
		529	=item $value = cf::db_get $family => $key
		530
		531	Returns a single value from the environment database.
		532
		533	=item cf::db_put $family => $key => $value
		534
		535	Stores the given C<$value> in the family. It can currently store binary
		536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		537
		538	=item $db = cf::db_table "name"
		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
		543	=cut
		544
		545	sub db_table($) {
		546	my ($name) = @_;
		547	my $db = BDB::db_create $DB_ENV;
		548
		549	eval {
		550	$db->set_flags (BDB::CHKSUM);
		551
		552	utf8::encode $name;
		553	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		554	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		555	cf::cleanup "db_open(db): $!" if $!;
		556	};
		557	cf::cleanup "db_open(db): $@" if $@;
		558
		559	$db
		560	}
		561
		562	our $DB;
		563
		564	sub db_init {
		565	cf::sync_job {
		566	$DB ||= db_table "db";
		567	};
		568	}
		569
		570	sub db_get($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
383	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		582	BDB::dbreq_pri 4;
		583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		584	}
		585
		586	=item cf::cache $id => [$paths...], $processversion => $process
		587
		588	Generic caching function that returns the value of the resource $id,
		589	caching and regenerating as required.
		590
		591	This function can block.
		592
		593	=cut
		594
		595	sub cache {
		596	my ($id, $src, $processversion, $process) = @_;
		597
		598	my $meta =
		599	join "\x00",
		600	$processversion,
		601	map {
		602	aio_stat $_
		603	and Carp::croak "$_: $!";
		604
		605	($_, (stat _)[7,9])
		606	} @$src;
		607
		608	my $dbmeta = db_get cache => "$id/meta";
		609	if ($dbmeta ne $meta) {
		610	# changed, we may need to process
		611
		612	my @data;
		613	my $md5;
		614
		615	for (0 .. $#$src) {
		616	0 <= aio_load $src->[$_], $data[$_]
		617	or Carp::croak "$src->[$_]: $!";
		618	}
		619
		620	# if processing is expensive, check
		621	# checksum first
		622	if (1) {
		623	$md5 =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	cf::cede_to_tick;
		628	($src->[$_], Digest::MD5::md5_hex $data[$_])
		629	} 0.. $#$src;
		630
		631
		632	my $dbmd5 = db_get cache => "$id/md5";
		633	if ($dbmd5 eq $md5) {
		634	db_put cache => "$id/meta", $meta;
		635
		636	return db_get cache => "$id/data";
		637	}
		638	}
		639
		640	my $t1 = Time::HiRes::time;
		641	my $data = $process->(\@data);
		642	my $t2 = Time::HiRes::time;
		643
		644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		645
		646	db_put cache => "$id/data", $data;
		647	db_put cache => "$id/md5" , $md5;
		648	db_put cache => "$id/meta", $meta;
		649
		650	return $data;
		651	}
		652
		653	db_get cache => "$id/data"
		654	}
		655
		656	=item cf::datalog type => key => value, ...
		657
		658	Log a datalog packet of the given type with the given key-value pairs.
		659
		660	=cut
		661
		662	sub datalog($@) {
		663	my ($type, %kv) = @_;
		664	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	665	}
385		666
386	=back	667	=back
387		668
388	=cut	669	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
397		678
398	In the following description, CLASS can be any of C<global>, C<object>	679	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	681	Deliantra).
401		682
402	=over 4	683	=over 4
403		684
404	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
405		686
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	849	$registry = $CB_TYPE[$object_type] ||= [];
569		850
570	} elsif ($type eq "subtype") {	851	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	852	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	853	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	854	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		855
575	} elsif ($type eq "package") {	856	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	857	my $pkg = shift @arg;
577		858
578	while (my ($name, $id) = each %cb_id) {	859	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
608	}	889	}
609		890
610	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
611	} else {	892	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	894	}
614		895
615	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
616	}	897	}
617		898
…		…
619	if (ref $_[0]) {	900	if (ref $_[0]) {
620	_object_attach @_;	901	_object_attach @_;
621	} else {	902	} else {
622	_attach shift->_attach_registry, @_;	903	_attach shift->_attach_registry, @_;
623	}	904	}
		905	_recalc_want;
624	};	906	};
625		907
626	# all those should be optimised	908	# all those should be optimised
627	sub cf::attachable::detach {	909	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	910	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	913	delete $obj->{_attachment}{$name};
632	reattach ($obj);	914	reattach ($obj);
633	} else {	915	} else {
634	Carp::croak "cannot, currently, detach class attachments";	916	Carp::croak "cannot, currently, detach class attachments";
635	}	917	}
		918	_recalc_want;
636	};	919	};
637		920
638	sub cf::attachable::attached {	921	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	922	my ($obj, $name) = @_;
640		923
…		…
655	";	938	";
656	die if $@;	939	die if $@;
657	}	940	}
658		941
659	our $override;	942	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	943	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		944
662	sub override {	945	sub override {
663	$override = 1;	946	$override = 1;
664	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
665	}	948	}
666		949
667	sub do_invoke {	950	sub do_invoke {
668	my $event = shift;	951	my $event = shift;
669	my $callbacks = shift;	952	my $callbacks = shift;
670		953
671	@invoke_results = ();	954	@INVOKE_RESULTS = ();
672		955
673	local $override;	956	local $override;
674		957
675	for (@$callbacks) {	958	for (@$callbacks) {
676	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
693		976
694	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
695		978
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	979	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	980	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		982
700	=back	983	=back
701		984
702	=cut	985	=cut
703		986
704	#############################################################################	987	#############################################################################
705	# object support	988	# object support
		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
		1023	sub _can_merge {
		1024	my ($ob1, $ob2) = @_;
		1025
		1026	++$SLOW_MERGES;#d#
		1027
		1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
		1030	}
706		1031
707	sub reattach {	1032	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1034	my ($obj) = @_;
710		1035
…		…
731	cf::attachable->attach (	1056	cf::attachable->attach (
732	prio => -1000000,	1057	prio => -1000000,
733	on_instantiate => sub {	1058	on_instantiate => sub {
734	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
735		1060
736	$data = from_json $data;	1061	$data = decode_json $data;
737		1062
738	for (@$data) {	1063	for (@$data) {
739	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
740		1065
741	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1082	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
759		1084
760	sync_job {	1085	sync_job {
761	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
764		1090
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1095	close $fh;
770		1096
771	if (@$objs) {	1097	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1103	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
779	}	1105	}
…		…
787	}	1113	}
788	} else {	1114	} else {
789	aio_unlink $filename;	1115	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
791	}	1117	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1118	};
799	}	1119	}
800		1120
801	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
803		1123
…		…
808		1128
809	sub object_thawer_load {	1129	sub object_thawer_load {
810	my ($filename) = @_;	1130	my ($filename) = @_;
811		1131
812	my ($data, $av);	1132	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1133
817	(aio_load $filename, $data) >= 0	1134	(aio_load $filename, $data) >= 0
818	or return;	1135	or return;
819		1136
820	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
822	or return;	1139	or return;
		1140
823	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
824	}	1143	}
825		1144
		1145	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
828	return ($data, $av);	1149	($data, $av)
829	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
830		1157
831	#############################################################################	1158	#############################################################################
832	# command handling &c	1159	# command handling &c
833		1160
834	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1175	}
849		1176
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1178
852	Register a callbackf ro execution when the client sends an extcmd packet.	1179	Register a callback for execution when the client sends an (synchronous)
		1180	extcmd packet. Ext commands will be processed in the order they are
		1181	received by the server, like other user commands. The first argument is
		1182	the logged-in player. Ext commands can only be processed after a player
		1183	has logged in successfully.
853		1184
854	If the callback returns something, it is sent back as if reply was being	1185	If the callback returns something, it is sent back as if reply was being
855	called.	1186	called.
856		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
857	=cut	1199	=cut
858		1200
859	sub register_extcmd {	1201	sub register_extcmd {
860	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
861		1203
862	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
863	}	1211	}
864		1212
865	cf::player->attach (	1213	cf::player->attach (
866	on_command => sub {	1214	on_command => sub {
867	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1224	cf::override;
877	},	1225	},
878	on_extcmd => sub {	1226	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
880		1228
881	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1230
883	if (ref $msg) {	1231	if (ref $msg) {
		1232	my ($type, $reply, @payload) =
		1233	"ARRAY" eq ref $msg
		1234	? @$msg
		1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1236
		1237	my @reply;
		1238
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
889	} else {	1246	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1248	}
892		1249
893	cf::override;	1250	cf::override;
894	},	1251	},
895	);	1252	);
896		1253
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
932	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1259	next unless -r $path;
934	eval {	1260
935	load_extension $ext;	1261	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1262	my $base = $1;
		1263	my $pkg = $1;
		1264	$pkg =~ s/[^[:word:]]/_/g;
		1265	$pkg = "ext::$pkg";
		1266
		1267	open my $fh, "<:utf8", $path
		1268	or die "$path: $!";
		1269
		1270	my $source = do { local $/; <$fh> };
		1271
		1272	my %ext = (
		1273	path => $path,
		1274	base => $base,
		1275	pkg => $pkg,
		1276	);
		1277
		1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1280
		1281	$ext{source} =
		1282	"package $pkg; use strict; use utf8;\n"
		1283	. "#line 1 \"$path\"\n{\n"
		1284	. $source
		1285	. "\n};\n1";
		1286
		1287	$todo{$base} = \%ext;
		1288	}
		1289
		1290	my %done;
		1291	while (%todo) {
		1292	my $progress;
		1293
		1294	while (my ($k, $v) = each %todo) {
		1295	for (split /,\s*/, $v->{meta}{depends}) {
		1296	goto skip
		1297	unless exists $done{$_};
		1298	}
		1299
		1300	warn "... loading '$k' into '$v->{pkg}'\n";
		1301
		1302	unless (eval $v->{source}) {
		1303	my $msg = $@ ? "$v->{path}: $@\n"
		1304	: "$v->{base}: extension inactive.\n";
		1305
		1306	if (exists $v->{meta}{mandatory}) {
		1307	warn $msg;
		1308	warn "mandatory extension failed to load, exiting.\n";
		1309	exit 1;
		1310	}
		1311
		1312	warn $msg;
		1313	}
		1314
		1315	$done{$k} = delete $todo{$k};
		1316	push @EXTS, $v->{pkg};
		1317	$progress = 1;
936	1	1318	}
937	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
938	}	1324	};
939	}	1325	}
940		1326
941	#############################################################################	1327	#############################################################################
942		1328
		1329	=back
		1330
943	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
944		1332
945	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
946		1334
947	=cut	1335	=cut
…		…
952		1340
953	=head3 cf::player	1341	=head3 cf::player
954		1342
955	=over 4	1343	=over 4
956		1344
		1345	=item cf::player::num_playing
		1346
		1347	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1348
		1349	=cut
		1350
		1351	sub num_playing {
		1352	scalar grep
		1353	$_->ob->map
		1354	&& !$_->hidden
		1355	&& !$_->ob->flag (cf::FLAG_WIZ),
		1356	cf::player::list
		1357	}
		1358
957	=item cf::player::find $login	1359	=item cf::player::find $login
958		1360
959	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
960		1362
961	=cut	1363	=cut
962		1364
963	sub playerdir($) {	1365	sub playerdir($) {
964	cf::localdir	1366	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1367	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1368	}
970		1369
971	sub path($) {	1370	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1371	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1372
974	(playerdir $login) . "/$login.pl"	1373	(playerdir $login) . "/playerdata"
975	}	1374	}
976		1375
977	sub find_active($) {	1376	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1377	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1378	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1391	my $login = $_[0];
993		1392
994	my $guard = cf::lock_acquire "user_find:$login";	1393	my $guard = cf::lock_acquire "user_find:$login";
995		1394
996	$cf::PLAYER{$_[0]} || do {	1395	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1396	# rename old playerfiles to new ones
		1397	#TODO: remove when no longer required
		1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1401	aio_unlink +(playerdir $login) . "/$login.pl";
		1402
		1403	my $f = new_from_file cf::object::thawer path $login
998	or return;	1404	or return;
		1405
		1406	my $pl = cf::player::load_pl $f
		1407	or return;
		1408	local $cf::PLAYER_LOADING{$login} = $pl;
		1409	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
1000	}	1411	}
1001	}	1412	}
1002	}	1413	}
1003		1414
…		…
1013		1424
1014	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1016		1427
1017	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1018	Coro::cede;	1429	cf::cede_to_tick;
1019	}	1430	}
1020		1431
1021	sub new($) {	1432	sub new($) {
1022	my ($login) = @_;	1433	my ($login) = @_;
1023		1434
…		…
1029	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1030		1441
1031	$self	1442	$self
1032	}	1443	}
1033		1444
		1445	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1446
		1447	=cut
		1448
		1449	sub send_msg {
		1450	my $ns = shift->ns
		1451	or return;
		1452	$ns->send_msg (@_);
		1453	}
		1454
1034	=item $pl->quit_character	1455	=item $pl->quit_character
1035		1456
1036	Nukes the player without looking back. If logged in, the connection will	1457	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1458	be destroyed. May block for a long time.
1038		1459
1039	=cut	1460	=cut
1040		1461
1041	sub quit_character {	1462	sub quit_character {
1042	my ($pl) = @_;	1463	my ($pl) = @_;
		1464
		1465	my $name = $pl->ob->name;
1043		1466
1044	$pl->{deny_save} = 1;	1467	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1468	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1469
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1470	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1475	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1476	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1477	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1478	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1479	$pl->destroy;
		1480
		1481	my $prefix = qr<^~\Q$name\E/>;
		1482
		1483	# nuke player maps
		1484	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1485
1057	IO::AIO::aio_rmtree $temp;	1486	IO::AIO::aio_rmtree $temp;
		1487	}
		1488
		1489	=item $pl->kick
		1490
		1491	Kicks a player out of the game. This destroys the connection.
		1492
		1493	=cut
		1494
		1495	sub kick {
		1496	my ($pl, $kicker) = @_;
		1497
		1498	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1499	$pl->killer ("kicked");
		1500	$pl->ns->destroy;
1058	}	1501	}
1059		1502
1060	=item cf::player::list_logins	1503	=item cf::player::list_logins
1061		1504
1062	Returns am arrayref of all valid playernames in the system, can take a	1505	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1506	while and may block, so not sync_job-capable, ever.
1064		1507
1065	=cut	1508	=cut
1066		1509
1067	sub list_logins {	1510	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1511	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1512	or return [];
1070		1513
1071	my @logins;	1514	my @logins;
1072		1515
1073	for my $login (@$dirs) {	1516	for my $login (@$dirs) {
		1517	my $path = path $login;
		1518
		1519	# a .pst is a dead give-away for a valid player
		1520	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1077		1525
1078	utf8::decode $login;	1526	utf8::decode $login;
1079	push @logins, $login;	1527	push @logins, $login;
1080	}	1528	}
1081		1529
…		…
1108	}	1556	}
1109		1557
1110	\@paths	1558	\@paths
1111	}	1559	}
1112		1560
		1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1562
		1563	Expand crossfire pod fragments into protocol xml.
		1564
		1565	=cut
		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
		1578	sub expand_cfpod {
		1579	my ($self, $pod) = @_;
		1580
		1581	my $xml;
		1582
		1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1585	$group = $1;
		1586
		1587	$group =~ s/&/&amp;/g;
		1588	$group =~ s/</&lt;/g;
		1589
		1590	$xml .= $group;
		1591	} elsif ($pod =~ m%\G
		1592	([BCGHITU])
		1593	<
		1594	(?:
		1595	([^<>]*) (?{ $group = $^N })
		1596	| < $interior >
		1597	)
		1598	>
		1599	%gcsx
		1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
		1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1620	"")
		1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
		1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
		1632
		1633	for ($xml) {
		1634	# create single paragraphs (very hackish)
		1635	s/(?<=\S)\n(?=\w)/ /g;
		1636
		1637	# compress some whitespace
		1638	s/\s+\n/\n/g; # ws line-ends
		1639	s/\n\n+/\n/g; # double lines
		1640	s/^\n+//; # beginning lines
		1641	s/\n+$//; # ending lines
		1642	}
		1643
		1644	$xml
		1645	}
		1646
		1647	no re 'eval';
		1648
		1649	sub hintmode {
		1650	$_[0]{hintmode} = $_[1] if @_ > 1;
		1651	$_[0]{hintmode}
		1652	}
		1653
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1114		1655
1115	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1116		1657
1117	=cut	1658	=cut
1118		1659
1119	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1121		1662
1122	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1664	}
1126		1665
1127	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1128		1706
1129	=back	1707	=back
1130
1131		1708
1132	=head3 cf::map	1709	=head3 cf::map
1133		1710
1134	=over 4	1711	=over 4
1135		1712
…		…
1190	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1191		1768
1192	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1193	local $self->{path};	1770	local $self->{path};
1194	local $self->{load_path};	1771	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1772
1198	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1199	}	1774	}
1200		1775
1201	sub normalise {	1776	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1249	return $self;	1824	return $self;
1250	}	1825	}
1251	}	1826	}
1252		1827
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1829	()
1255	}	1830	}
1256		1831
1257	sub init {	1832	sub init {
1258	my ($self) = @_;	1833	my ($self) = @_;
…		…
1273		1848
1274	# the original (read-only) location	1849	# the original (read-only) location
1275	sub load_path {	1850	sub load_path {
1276	my ($self) = @_;	1851	my ($self) = @_;
1277		1852
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1279	}	1854	}
1280		1855
1281	# the temporary/swap location	1856	# the temporary/swap location
1282	sub save_path {	1857	sub save_path {
1283	my ($self) = @_;	1858	my ($self) = @_;
1284		1859
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1287	}	1862	}
1288		1863
1289	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1290	sub uniq_path {	1865	sub uniq_path {
1291	my ($self) = @_;	1866	my ($self) = @_;
1292		1867
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1295	}	1870	}
1296		1871
1297	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1298	# all maps in C++...	1873	# all maps in C++...
1299	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1301		1876
1302	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1304	}	1879	}
1305		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1306	sub unlink_save {	1889	sub unlink_save {
1307	my ($self) = @_;	1890	my ($self) = @_;
1308		1891
1309	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1895	}
1318		1896
1319	sub load_header_from($) {	1897	sub load_header_from($) {
1320	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1321		1899
1322	utf8::encode $path;	1900	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1328		1909
1329	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1330		1911
1331	1	1912	1
1332	}	1913	}
…		…
1371	$self->load_header_orig	1952	$self->load_header_orig
1372	or return;	1953	or return;
1373	$self->prepare_orig;	1954	$self->prepare_orig;
1374	}	1955	}
1375		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1376	1	1963	1
1377	}	1964	}
1378		1965
1379	sub find;	1966	sub find;
1380	sub find {	1967	sub find {
1381	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1382		1969
1383	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1384		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1386		1974
1387	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1976	my $guard1 = cf::lock_acquire "map_find:$path";
		1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1978
1389	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1390	or return;	1980	or return;
1391		1981
1392	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1393		1983
1394	$map->load_header	1984	$map->load_header
1395	or return;	1985	or return;
1396		1986
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1400	$map->reset;	1992	$map->reset;
1401	undef $guard;
1402	return find $path;	1993	return find $path;
1403	}	1994	}
1404		1995
1405	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1406	}	1997	}
…		…
1413	my ($self) = @_;	2004	my ($self) = @_;
1414		2005
1415	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1416		2007
1417	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1419		2012
		2013	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2015
1422	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1423		2017
1424	$self->alloc;	2018	$self->alloc;
1425		2019
1426	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1427		2022
1428	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1429	or return;	2026	or return;
1430		2027
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2029	if delete $self->{load_original};
1433		2030
1434	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2032	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2035	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1439	}	2039	}
1440	}	2040	}
1441		2041
1442	Coro::cede;	2042	$f->resolve_delayed_derefs;
1443		2043
		2044	cf::cede_to_tick;
1444	# now do the right thing for maps	2045	# now do the right thing for maps
1445	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2048	unless $self->difficulty;
1455	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1456	$self->activate;	2058	$self->activate;
		2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	2065	}
1458		2066
1459	$self->post_load;	2067	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2068	}
1463		2069
1464	sub customise_for {	2070	sub customise_for {
1465	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1466		2072
1467	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2074	if $self->per_player;
1469		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1470	$self	2079	$self
1471	}	2080	}
1472		2081
1473	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2083	sub load_neighbours {
1475	my ($map) = @_;	2084	my ($map) = @_;
1476		2085
1477	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1478		2087
1479	for (0 .. 3) {	2088	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1481	or next;	2090	or next;
1482	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1483	or next;	2092	or next;
1484	$neigh->load;	2093	$neigh->load;
1485		2094
		2095	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2098	}
1489		2099
1490	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1492	or next;	2103	or next;
1493	$neigh->load;	2104	$neigh->load;
1494	}	2105	}
1495	}	2106	}
1496		2107
…		…
1501	}	2112	}
1502		2113
1503	sub do_load_sync {	2114	sub do_load_sync {
1504	my ($map) = @_;	2115	my ($map) = @_;
1505		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1506	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1507	}	2121	}
1508		2122
1509	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1511		2125
1512	sub find_async {	2126	sub find_async {
1513	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1514		2128
1515	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1516		2130
1517	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2133	}
1520		2134
1521	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1522	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1523	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2142	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2143	$map->load if $v;
		2144	}
1528		2145
1529	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1530	}	2147	}
1531	}	2148	}
1532	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1533	};	2150	};
1534	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2154	}
1538		2155
1539	sub save {	2156	sub save {
1540	my ($self) = @_;	2157	my ($self) = @_;
1541		2158
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2160
1544	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1545		2162
1546	return unless $self->dirty;	2163	return unless $self->dirty;
1547		2164
…		…
1553	return if $self->{deny_save};	2170	return if $self->{deny_save};
1554		2171
1555	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1556		2173
1557	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1559	};	2177	};
1560		2178
1561	if ($uniq) {	2179	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2188	my ($self) = @_;
1571		2189
1572	# save first because save cedes	2190	# save first because save cedes
1573	$self->save;	2191	$self->save;
1574		2192
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2194
1577	return if $self->players;	2195	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2197	return if $self->{deny_save};
1580		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2203	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2204	}
1584		2205
1585	sub reset_at {	2206	sub reset_at {
1586	my ($self) = @_;	2207	my ($self) = @_;
1587		2208
1588	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1591		2211
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2214
…		…
1605	my ($self) = @_;	2225	my ($self) = @_;
1606		2226
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2228
1609	return if $self->players;	2229	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2230
1612	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
		2232
		2233	$self->in_memory (cf::MAP_SWAPPED);
		2234
		2235	# need to save uniques path
		2236	unless ($self->{deny_save}) {
		2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2238
		2239	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2240	if $uniq;
		2241	}
1613		2242
1614	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1615		2244
1616	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2247	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2248
1621	$self->unlink_save;	2249	$self->unlink_save;
1622	$self->destroy;	2250	$self->destroy;
1623	}	2251	}
1624		2252
1625	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1626		2254
1627	sub nuke {	2255	sub nuke {
1628	my ($self) = @_;	2256	my ($self) = @_;
1629		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1630	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1631		2262
1632	$self->unlink_save;	2263	$self->unlink_save;
1633		2264
1634	bless $self, "cf::map";	2265	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2270
1640	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1641		2273
1642	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
		2275	}
		2276
		2277	=item $maps = cf::map::tmp_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	maps. May block.
		2281
		2282	=cut
		2283
		2284	sub tmp_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise $_
		2290	: ()
		2291	} @{ aio_readdir $TMPDIR or [] }
		2292	]
		2293	}
		2294
		2295	=item $maps = cf::map::random_maps
		2296
		2297	Returns an arrayref with all map paths of currently instantiated and saved
		2298	random maps. May block.
		2299
		2300	=cut
		2301
		2302	sub random_maps() {
		2303	[
		2304	map {
		2305	utf8::decode $_;
		2306	/\.map$/
		2307	? normalise "?random/$_"
		2308	: ()
		2309	} @{ aio_readdir $RANDOMDIR or [] }
		2310	]
1643	}	2311	}
1644		2312
1645	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1646		2314
1647	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2316	instantiated unique items. May block.
1649		2317
1650	=cut	2318	=cut
1651		2319
1652	sub unique_maps() {	2320	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2321	[
1654	or return;	2322	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2323	utf8::decode $_;
1660	next if /\.pst$/;	2324	/\.map$/
1661	next unless /^$PATH_SEP/o;	2325	? normalise $_
1662		2326	: ()
1663	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2328	]
1665
1666	\@paths
1667	}	2329	}
1668		2330
1669	package cf;	2331	package cf;
1670		2332
1671	=back	2333	=back
…		…
1689	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1690	}	2352	}
1691		2353
1692	sub inv_recursive {	2354	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
		2356	}
		2357
		2358	=item $ref = $ob->ref
		2359
		2360	creates and returns a persistent reference to an objetc that can be stored as a string.
		2361
		2362	=item $ob = cf::object::deref ($refstring)
		2363
		2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2365	even if the object actually exists. May block.
		2366
		2367	=cut
		2368
		2369	sub deref {
		2370	my ($ref) = @_;
		2371
		2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2373	my ($uuid, $name) = ($1, $2);
		2374	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2375	or return;
		2376	$pl->ob->uuid eq $uuid
		2377	or return;
		2378
		2379	$pl->ob
		2380	} else {
		2381	warn "$ref: cannot resolve object reference\n";
		2382	undef
		2383	}
1694	}	2384	}
1695		2385
1696	package cf;	2386	package cf;
1697		2387
1698	=back	2388	=back
…		…
1717		2407
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2409
1720	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1722	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1725	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1726	}	2435	}
1727		2436
1728	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1729		2438
1730	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1777	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1778		2487
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2489
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1783		2492
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2494	}
1786		2495
1787	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1789		2500
1790	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1791		2502
1792	unless ($map) {	2503	unless ($map) {
1793	# restore original map position	2504	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1810		2521
1811	$map->load;	2522	$map->load;
1812	$map->load_diag;	2523	$map->load_neighbours;
1813		2524
1814	return unless $self->contr->active;	2525	return unless $self->contr->active;
1815	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1817	}	2530	}
1818		2531
1819	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2533
1823	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1827	};	2538	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2539
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2540	=cut
		2541
		2542	our $GOTOGEN;
1854		2543
1855	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
		2546
		2547	# do generation counting so two concurrent goto's will be executed in-order
		2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2549
1858	$self->enter_link;	2550	$self->enter_link;
1859		2551
1860	(async {	2552	(async {
		2553	$Coro::current->{desc} = "player::goto $path $x $y";
		2554
		2555	# *tag paths override both path and x|y
		2556	if ($path =~ /^\*(.*)$/) {
		2557	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2558	my $ob = $obs[rand @obs];
		2559
		2560	# see if we actually can go there
		2561	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2562	$ob = $obs[rand @obs];
		2563	} else {
		2564	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566	# else put us there anyways for now #d#
		2567
		2568	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2569	} else {
		2570	($path, $x, $y) = (undef, undef, undef);
		2571	}
		2572	}
		2573
1861	my $map = eval {	2574	my $map = eval {
1862	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2578	$map = $map->customise_for ($self);
		2579	$map = $check->($map) if $check && $map;
		2580	} else {
		2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583
1864	$map	2584	$map
		2585	};
		2586
		2587	if ($@) {
		2588	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2590	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1869	})->prio (1);	2598	})->prio (1);
1870	}	2599	}
1871		2600
1872	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1873		2602
…		…
1910	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
1911	}	2640	}
1912		2641
1913	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
1914		2643
1915	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
1918		2647
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2650	undef $fh;
1922	aio_rename "$meta~", $meta;	2651	aio_rename "$meta~", $meta;
…		…
1931		2660
1932	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1933		2662
1934	if ($exit->slaying eq "/!") {	2663	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2664	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2665	# the problem is that $exit might not survive long enough
		2666	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2667	cf::sync_job { prepare_random_map $exit };
1937	}	2668	}
1938		2669
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2670	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
1942		2673
1943	$self->enter_link;	2674	$self->enter_link;
1944		2675
		2676	# if exit is damned, update players death & WoR home-position
		2677	$self->contr->savebed ($slaying, $hp, $sp)
		2678	if $exit->flag (FLAG_DAMNED);
		2679
1945	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
1946	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2684	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
1949		2686
1950	1;	2687	1;
1951	}) {	2688	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2689	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2690	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2691	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2692	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2693
1957	warn "ERROR in enter_exit: $@";	2694	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2695	$self->leave_link;
1959	}	2696	}
1960	})->prio (1);	2697	})->prio (1);
…		…
1973		2710
1974	sub cf::client::send_drawinfo {	2711	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2712	my ($self, $text, $flags) = @_;
1976		2713
1977	utf8::encode $text;	2714	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2716	}
1980		2717
		2718	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2719
		2720	Send a drawinfo or msg packet to the client, formatting the msg for the
		2721	client if neccessary. C<$type> should be a string identifying the type of
		2722	the message, with C<log> being the default. If C<$color> is negative, suppress
		2723	the message unless the client supports the msg packet.
		2724
		2725	=cut
		2726
		2727	# non-persistent channels (usually the info channel)
		2728	our %CHANNEL = (
		2729	"c/identify" => {
		2730	id => "infobox",
		2731	title => "Identify",
		2732	reply => undef,
		2733	tooltip => "Items recently identified",
		2734	},
		2735	"c/examine" => {
		2736	id => "infobox",
		2737	title => "Examine",
		2738	reply => undef,
		2739	tooltip => "Signs and other items you examined",
		2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
		2747	"c/lookat" => {
		2748	id => "infobox",
		2749	title => "Look",
		2750	reply => undef,
		2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
		2776	},
		2777	);
		2778
		2779	sub cf::client::send_msg {
		2780	my ($self, $channel, $msg, $color, @extra) = @_;
		2781
		2782	$msg = $self->pl->expand_cfpod ($msg);
		2783
		2784	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2785
		2786	# check predefined channels, for the benefit of C
		2787	if ($CHANNEL{$channel}) {
		2788	$channel = $CHANNEL{$channel};
		2789
		2790	$self->ext_msg (channel_info => $channel)
		2791	if $self->can_msg;
		2792
		2793	$channel = $channel->{id};
		2794
		2795	} elsif (ref $channel) {
		2796	# send meta info to client, if not yet sent
		2797	unless (exists $self->{channel}{$channel->{id}}) {
		2798	$self->{channel}{$channel->{id}} = $channel;
		2799	$self->ext_msg (channel_info => $channel)
		2800	if $self->can_msg;
		2801	}
		2802
		2803	$channel = $channel->{id};
		2804	}
		2805
		2806	return unless @extra || length $msg;
		2807
		2808	if ($self->can_msg) {
		2809	# default colour, mask it out
		2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2811	if $color & cf::NDI_DEF;
		2812
		2813	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2815	} else {
		2816	if ($color >= 0) {
		2817	# replace some tags by gcfclient-compatible ones
		2818	for ($msg) {
		2819	1 while
		2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2825	}
		2826
		2827	$color &= cf::NDI_COLOR_MASK;
		2828
		2829	utf8::encode $msg;
		2830
		2831	if (0 && $msg =~ /\[/) {
		2832	# COMMAND/INFO
		2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2834	} else {
		2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2836	$self->send_packet ("drawinfo $color $msg")
		2837	}
		2838	}
		2839	}
		2840	}
		2841
		2842	=item $client->ext_msg ($type, @msg)
		2843
		2844	Sends an ext event to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_msg($$@) {
		2849	my ($self, $type, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
		2854	push @msg, msgtype => "event_$type";
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2856	}
		2857	}
		2858
		2859	=item $client->ext_reply ($msgid, @msg)
		2860
		2861	Sends an ext reply to the client.
		2862
		2863	=cut
		2864
		2865	sub cf::client::ext_reply($$@) {
		2866	my ($self, $id, @msg) = @_;
		2867
		2868	if ($self->extcmd == 2) {
		2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2870	} elsif ($self->extcmd == 1) {
		2871	#TODO: version 1, remove
		2872	unshift @msg, msgtype => "reply", msgid => $id;
		2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2874	}
		2875	}
1981		2876
1982	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
1983		2878
1984	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2882
1988	Queries can fail, so check the return code. Or don't, as queries will become	2883	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2884	become reliable at some point in the future.
1990		2885
1991	=cut	2886	=cut
1992		2887
1993	sub cf::client::query {	2888	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2897	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2899
2005	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2007	}	2904	}
2008		2905
2009	cf::client->attach (	2906	cf::client->attach (
		2907	on_connect => sub {
		2908	my ($ns) = @_;
		2909
		2910	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2911	},
2010	on_reply => sub {	2912	on_reply => sub {
2011	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2012		2914
2013	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2014	# get handled first	2916	# get handled first
…		…
2026	} else {	2928	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2930	}
2029	}	2931	}
2030	},	2932	},
		2933	on_exticmd => sub {
		2934	my ($ns, $buf) = @_;
		2935
		2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2937
		2938	if (ref $msg) {
		2939	my ($type, $reply, @payload) =
		2940	"ARRAY" eq ref $msg
		2941	? @$msg
		2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2943
		2944	my @reply;
		2945
		2946	if (my $cb = $EXTICMD{$type}) {
		2947	@reply = $cb->($ns, @payload);
		2948	}
		2949
		2950	$ns->ext_reply ($reply, @reply)
		2951	if $reply;
		2952
		2953	} else {
		2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2955	}
		2956
		2957	cf::override;
		2958	},
2031	);	2959	);
2032		2960
2033	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2034		2962
2035	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2078		3006
2079	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2080		3008
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3009	$safe->permit_only (Opcode::opset qw(
		3010	:base_core :base_mem :base_orig :base_math
		3011	grepstart grepwhile mapstart mapwhile
		3012	sort time
		3013	));
2082		3014
2083	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2084		3016
2085	=pod	3017	=pod
2086		3018
2087	The following fucntions and emthods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2088		3020
2089	cf::object contr pay_amount pay_player map	3021	cf::object
		3022	contr pay_amount pay_player map x y force_find force_add destroy
		3023	insert remove name archname title slaying race decrease_ob_nr
		3024
2090	cf::object::player player	3025	cf::object::player
2091	cf::player peaceful	3026	player
2092	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2093		3033
2094	=cut	3034	=cut
2095		3035
2096	for (	3036	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3038	insert remove inv name archname title slaying race
		3039	decrease_ob_nr destroy)],
2098	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2101	) {	3043	) {
2102	no strict 'refs';	3044	no strict 'refs';
…		…
2173	=back	3115	=back
2174		3116
2175	=cut	3117	=cut
2176		3118
2177	#############################################################################	3119	#############################################################################
		3120	# the server's init and main functions
2178		3121
2179	=head2 EXTENSION DATABASE SUPPORT	3122	sub load_facedata($) {
		3123	my ($path) = @_;
2180		3124
2181	Crossfire maintains a very simple database for extension use. It can	3125	# HACK to clear player env face cache, we need some signal framework
2182	currently store anything that can be serialised using Storable, which	3126	# for this (global event?)
2183	excludes objects.	3127	%ext::player_env::MUSIC_FACE_CACHE = ();
2184		3128
2185	The parameter C<$family> should best start with the name of the extension	3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2186	using it, it should be unique.
2187		3130
2188	=over 4	3131	warn "loading facedata from $path\n";
2189		3132
2190	=item $value = cf::db_get $family => $key	3133	my $facedata;
		3134	0 < aio_load $path, $facedata
		3135	or die "$path: $!";
2191		3136
2192	Returns a single value from the database.	3137	$facedata = Coro::Storable::thaw $facedata;
2193		3138
2194	=item cf::db_put $family => $key => $value	3139	$facedata->{version} == 2
		3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2195		3141
2196	Stores the given C<$value> in the family.	3142	# patch in the exptable
2197		3143	$facedata->{resource}{"res/exp_table"} = {
2198	=cut	3144	type => FT_RSRC,
2199		3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};	3146	};
		3147	cf::cede_to_tick;
2215		3148
2216	my $path = cf::localdir . "/database.pst";	3149	{
2217	if (stat $path) {	3150	my $faces = $facedata->{faceinfo};
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220		3151
2221	cf::db_put (board => data => $pst->{board});	3152	while (my ($face, $info) = each %$faces) {
2222	cf::db_put (guildrules => data => $pst->{guildrules});	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});	3154	cf::face::set_visibility $idx, $info->{visibility};
2224	BDB::db_env_txn_checkpoint $DB_ENV;	3155	cf::face::set_magicmap $idx, $info->{magicmap};
		3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2225		3158
2226	unlink $path;	3159	cf::cede_to_tick;
2227	};	3160	}
		3161
		3162	while (my ($face, $info) = each %$faces) {
		3163	next unless $info->{smooth};
		3164	my $idx = cf::face::find $face
		3165	or next;
		3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
		3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3169	} else {
		3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3171	}
		3172
		3173	cf::cede_to_tick;
		3174	}
		3175	}
		3176
2228	}	3177	{
2229	}	3178	my $anims = $facedata->{animinfo};
2230		3179
2231	sub db_get($$) {	3180	while (my ($anim, $info) = each %$anims) {
2232	my $key = "$_[0]/$_[1]";	3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3182	cf::cede_to_tick;
		3183	}
2233		3184
2234	cf::sync_job {	3185	cf::anim::invalidate_all; # d'oh
2235	BDB::db_get $DB, undef, $key, my $data;	3186	}
2236		3187
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}	3188	{
2240	}	3189	# TODO: for gcfclient pleasure, we should give resources
		3190	# that gcfclient doesn't grok a >10000 face index.
		3191	my $res = $facedata->{resource};
2241		3192
2242	sub db_put($$$) {	3193	my $soundconf = delete $res->{"res/sound.conf"};
2243	BDB::dbreq_pri 4;
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2245	}
2246		3194
2247	#############################################################################	3195	while (my ($name, $info) = each %$res) {
2248	# the server's init and main functions	3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3197	my $data;
2249		3198
2250	sub load_resources {	3199	if ($info->{type} & 1) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3200	# prepend meta info
		3201
		3202	my $meta = $enc->encode ({
		3203	name => $name,
		3204	%{ $info->{meta} || {} },
		3205	});
		3206
		3207	$data = pack "(w/a*)*", $meta, $info->{data};
		3208	} else {
		3209	$data = $info->{data};
		3210	}
		3211
		3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3213	cf::face::set_type $idx, $info->{type};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	if ($soundconf) {
		3219	$soundconf = $enc->decode (delete $soundconf->{data});
		3220
		3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3222	my $sound = $soundconf->{compat}[$_]
		3223	or next;
		3224
		3225	my $face = cf::face::find "sound/$sound->[1]";
		3226	cf::sound::set $sound->[0] => $face;
		3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3228	}
		3229
		3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3231	my $face = cf::face::find "sound/$v";
		3232	cf::sound::set $k => $face;
		3233	}
		3234	}
		3235	}
		3236
		3237	1
		3238	}
		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
		3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
		3253	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	3254	or die "unable to load regions file\n";
2253	}
2254		3255
2255	sub cfg_load {	3256	for (cf::region::list) {
		3257	$_->{match} = qr/$_->{match}/
		3258	if exists $_->{match};
		3259	}
		3260	}
		3261
		3262	sub reload_facedata {
		3263	load_facedata "$DATADIR/facedata"
		3264	or die "unable to load facedata\n";
		3265	}
		3266
		3267	sub reload_archetypes {
		3268	load_resource_file "$DATADIR/archetypes"
		3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
		3275	}
		3276
		3277	sub reload_treasures {
		3278	load_resource_file "$DATADIR/treasures"
		3279	or die "unable to load treasurelists\n";
		3280	}
		3281
		3282	sub reload_resources {
		3283	warn "reloading resource files...\n";
		3284
		3285	reload_regions;
		3286	reload_facedata;
		3287	#reload_archetypes;#d#
		3288	reload_archetypes;
		3289	reload_treasures;
		3290
		3291	warn "finished reloading resource files\n";
		3292	}
		3293
		3294	sub init {
		3295	reload_resources;
		3296	}
		3297
		3298	sub reload_config {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	3300	or return;
2258		3301
2259	local $/;	3302	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
2261		3304
…		…
2271	};	3314	};
2272	warn $@ if $@;	3315	warn $@ if $@;
2273	}	3316	}
2274	}	3317	}
2275		3318
2276	sub init {
2277	load_resources;
2278	}
2279
2280	sub main {	3319	sub main {
2281	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2284	(async {	3323	(async {
2285	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2286	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2287	};	3327	};
2288		3328
2289	cfg_load;	3329	reload_config;
		3330	db_init;
2290	load_extensions;	3331	load_extensions;
2291		3332
2292	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2293	Event::loop;	3335	EV::loop;
2294	}	3336	}
2295		3337
2296	#############################################################################	3338	#############################################################################
2297	# initialisation and cleanup	3339	# initialisation and cleanup
2298		3340
2299	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2300	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2309	},
2310	);	3347	};
		3348	}
		3349	}
		3350
		3351	sub write_runtime {
		3352	my $runtime = "$LOCALDIR/runtime";
		3353
		3354	# first touch the runtime file to show we are still running:
		3355	# the fsync below can take a very very long time.
		3356
		3357	IO::AIO::aio_utime $runtime, undef, undef;
		3358
		3359	my $guard = cf::lock_acquire "write_runtime";
		3360
		3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3362	or return;
		3363
		3364	my $value = $cf::RUNTIME + 90 + 10;
		3365	# 10 is the runtime save interval, for a monotonic clock
		3366	# 60 allows for the watchdog to kill the server.
		3367
		3368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3369	and return;
		3370
		3371	# always fsync - this file is important
		3372	aio_fsync $fh
		3373	and return;
		3374
		3375	# touch it again to show we are up-to-date
		3376	aio_utime $fh, undef, undef;
		3377
		3378	close $fh
		3379	or return;
		3380
		3381	aio_rename "$runtime~", $runtime
		3382	and return;
		3383
		3384	warn "runtime file written.\n";
		3385
2311	}	3386	1
2312	}	3387	}
2313		3388
2314	sub emergency_save() {	3389	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2316		3391
…		…
2322	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3403	$pl->save;
2328	}	3404	}
2329	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2330		3406
2331	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2342	};	3418	};
2343		3419
2344	warn "leave emergency perl save\n";	3420	warn "leave emergency perl save\n";
2345	}	3421	}
2346		3422
		3423	sub post_cleanup {
		3424	my ($make_core) = @_;
		3425
		3426	warn Carp::longmess "post_cleanup backtrace"
		3427	if $make_core;
		3428	}
		3429
2347	sub reload() {	3430	sub do_reload_perl() {
2348	# can/must only be called in main	3431	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	3432	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	3433	warn "can only reload from main coroutine";
2351	return;	3434	return;
2352	}	3435	}
2353		3436
2354	warn "reloading...";	3437	warn "reloading...";
2355		3438
2356	warn "cancelling server ticker";	3439	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		3440
		3441	cf::sync_job {
		3442	cf::write_runtime; # external watchdog should not bark
2359	cf::emergency_save;	3443	cf::emergency_save;
		3444	cf::write_runtime; # external watchdog should not bark
2360		3445
2361	eval {	3446	warn "syncing database to disk";
		3447	BDB::db_env_txn_checkpoint $DB_ENV;
		3448
2362	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
2363
2364	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371		3450
2372	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2373	for (;;) {	3452	for (;;) {
2374	BDB::flush;	3453	BDB::flush;
2375	IO::AIO::flush;	3454	IO::AIO::flush;
2376	Coro::cede;	3455	Coro::cede_notself;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2378	warn "iterate...";	3457	warn "iterate...";
2379	}	3458	}
		3459
		3460	++$RELOAD;
2380		3461
2381	warn "cancelling all extension coros";	3462	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;	3463	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();	3464	%EXT_CORO = ();
2384		3465
2385	warn "removing commands";	3466	warn "removing commands";
2386	%COMMAND = ();	3467	%COMMAND = ();
2387		3468
2388	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2389	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2390		3472
2391	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2394		3476
…		…
2424	Symbol::delete_package "safe::$_"	3506	Symbol::delete_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3507	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		3508
2427	warn "unloading cf.pm \"a bit\"";	3509	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3510	delete $INC{"cf.pm"};
		3511	delete $INC{"cf/pod.pm"};
2429		3512
2430	# don't, removes xs symbols, too,	3513	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3514	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3515	#Symbol::delete_package __PACKAGE__;
2433		3516
…		…
2436	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2437	require cf;	3520	require cf;
2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2439		3522
2440	warn "loading config and database again";	3523	warn "loading config and database again";
2441	cf::cfg_load;	3524	cf::reload_config;
2442		3525
2443	warn "loading extensions";	3526	warn "loading extensions";
2444	cf::load_extensions;	3527	cf::load_extensions;
2445		3528
2446	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3530	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3531	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3532	reattach $_ for values %MAP;
		3533	warn "reattaching attachments to players";
		3534	reattach $_ for values %PLAYER;
2450		3535
2451	warn "loading reloadable resources";	3536	warn "leaving sync_job";
2452	load_resources;
2453		3537
2454	warn "restarting server ticker";	3538	1
2455		3539	} or do {
2456	$TICK_WATCHER->start;
2457	};
2458
2459	if ($@) {
2460	warn $@;	3540	warn $@;
2461	warn "error while reloading, exiting.";	3541	warn "error while reloading, exiting.";
2462	exit 1;	3542	exit 1;
2463	}	3543	};
2464		3544
2465	warn "reloaded";	3545	warn "reloaded";
2466	};	3546	};
2467		3547
2468	our $RELOAD_WATCHER; # used only during reload	3548	our $RELOAD_WATCHER; # used only during reload
2469		3549
		3550	sub reload_perl() {
		3551	# doing reload synchronously and two reloads happen back-to-back,
		3552	# coro crashes during coro_state_free->destroy here.
		3553
		3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3555	undef $RELOAD_WATCHER;
		3556	do_reload_perl;
		3557	};
		3558	}
		3559
2470	register_command "reload" => sub {	3560	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2472		3562
2473	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2475		3565	async {
2476	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;	3567	reload_perl;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);	3568	};
2488	}	3569	}
2489	};	3570	};
2490		3571
2491	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2492		3573
2493	my $bug_warning = 0;	3574	my $bug_warning = 0;
2494		3575
2495	$TICK_WATCHER = Event->timer (	3576	our @WAIT_FOR_TICK;
2496	reentrant => 0,	3577	our @WAIT_FOR_TICK_BEGIN;
2497	parked => 1,	3578
2498	prio => 0,	3579	sub wait_for_tick {
2499	at => $NEXT_TICK || $TICK,	3580	return unless $TICK_WATCHER->is_active;
2500	data => WF_AUTOCANCEL,	3581	return if $Coro::current == $Coro::main;
2501	cb => sub {	3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
		3596
		3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2502	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2505	return;	3601	return;
2506	}	3602	}
2507		3603
2508	$NOW = Event::time;	3604	$NOW = $tick_start = EV::now;
2509		3605
2510	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
		3607
2511	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;	3609	$NEXT_TICK += $TICK;
2513		3610
2514	$WAIT_FOR_TICK->broadcast;	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3612	$NEXT_RUNTIME_WRITE = $NOW + 10;
2516		3613	Coro::async_pool {
2517	Event::sweep;	3614	$Coro::current->{desc} = "runtime saver";
2518	Coro::cede_notself;	3615	write_runtime
		3616	or warn "ERROR: unable to write runtime file: $!";
2519		3617	};
2520	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#
2522
2523	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2525
2526	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;
2528	},	3618	}
2529	);	3619
		3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3621	$sig->send;
		3622	}
		3623	while (my $sig = shift @WAIT_FOR_TICK) {
		3624	$sig->send;
		3625	}
		3626
		3627	$LOAD = ($NOW - $tick_start) / $TICK;
		3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3629
		3630	_post_tick;
		3631	};
		3632	$TICK_WATCHER->priority (EV::MAXPRI);
2530		3633
2531	{	3634	{
2532	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2533	$BDB_POLL_WATCHER = Event->io (	3636
2534	reentrant => 0,
2535	fd => BDB::poll_fileno,
2536	poll => 'r',
2537	prio => 0,
2538	data => WF_AUTOCANCEL,
2539	cb => \&BDB::poll_cb,
2540	);
2541	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
2542		3638	BDB::max_poll_reqs $TICK * 0.1;
2543	BDB::set_sync_prepare {
2544	my $status;
2545	my $current = $Coro::current;
2546	(
2547	sub {
2548	$status = $!;
2549	$current->ready; undef $current;
2550	},
2551	sub {
2552	Coro::schedule while defined $current;
2553	$! = $status;
2554	},
2555	)
2556	};
2557		3639
2558	unless ($DB_ENV) {	3640	unless ($DB_ENV) {
2559	$DB_ENV = BDB::db_env_create;	3641	$DB_ENV = BDB::db_env_create;
		3642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3643	| BDB::LOG_AUTOREMOVE, 1);
		3644	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3645	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2560		3646
2561	cf::sync_job {	3647	cf::sync_job {
2562	eval {	3648	eval {
2563	BDB::db_env_open	3649	BDB::db_env_open
2564	$DB_ENV,	3650	$DB_ENV,
2565	$BDB_ENV_DIR,	3651	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3652	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3653	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3654	0666;
2569		3655
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3656	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;
2574	};	3657	};
2575		3658
2576	cf::cleanup "db_env_open(db): $@" if $@;	3659	cf::cleanup "db_env_open(db): $@" if $@;
2577	};	3660	};
2578	}	3661	}
		3662
		3663	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3664	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3665	};
		3666	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3667	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3668	};
		3669	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3670	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3671	};
2579	}	3672	}
2580		3673
2581	{	3674	{
		3675	# configure IO::AIO
		3676
2582	IO::AIO::min_parallel 8;	3677	IO::AIO::min_parallel 8;
2583
2584	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3678	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (
2587	reentrant => 0,
2588	fd => IO::AIO::poll_fileno,
2589	poll => 'r',
2590	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,
2593	);
2594	}	3679	}
2595		3680
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3681	my $_log_backtrace;
2597	reentrant => 0,	3682
2598	data => WF_AUTOCANCEL,	3683	sub _log_backtrace {
2599	after => 1,	3684	my ($msg, @addr) = @_;
2600	interval => 10,	3685
2601	prio => 6, # keep it lowest so it acts like a watchdog	3686	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3687
2603	write_runtime	3688	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3689	if ($_log_backtrace < 2) {
		3690	++$_log_backtrace;
		3691	async {
		3692	$Coro::current->{desc} = "abt $msg";
		3693
		3694	my @bt = fork_call {
		3695	@addr = map { sprintf "%x", $_ } @addr;
		3696	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3697	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3698	or die "addr2line: $!";
		3699
		3700	my @funcs;
		3701	my @res = <$fh>;
		3702	chomp for @res;
		3703	while (@res) {
		3704	my ($func, $line) = splice @res, 0, 2, ();
		3705	push @funcs, "[$func] $line";
		3706	}
		3707
		3708	@funcs
		3709	};
		3710
		3711	LOG llevInfo, "[ABT] $msg\n";
		3712	LOG llevInfo, "[ABT] $_\n" for @bt;
		3713	--$_log_backtrace;
		3714	};
		3715	} else {
		3716	LOG llevInfo, "[ABT] $msg\n";
		3717	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3718	}
2606	);	3719	}
		3720
		3721	# load additional modules
		3722	use cf::pod;
2607		3723
2608	END { cf::emergency_save }	3724	END { cf::emergency_save }
2609		3725
2610	1	3726	1
2611		3727

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