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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.402 by root, Mon Dec 17 07:03:32 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 Event;	9	use EV;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
21		26
		27	use JSON::XS 2.01 ();
22	use BDB ();	28	use BDB ();
23	use Data::Dumper;	29	use Data::Dumper;
24	use Digest::MD5;	30	use Digest::MD5;
25	use Fcntl;	31	use Fcntl;
26	use YAML::Syck ();	32	use YAML::Syck ();
27	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
28	use Time::HiRes;	34	use Time::HiRes;
29	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
30		37
31	# configure various modules to our taste	38	# configure various modules to our taste
32	#	39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	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
35		43
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# 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?
39	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
40		46
41	$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
42		48
…		…
45	our %COMMAND = ();	51	our %COMMAND = ();
46	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
47		53
48	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
52		59
53	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
54	our @EVENT;	61	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		62
57	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(!)
58	our $TICK_WATCHER;	76	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	79	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		81
65	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	86	our $DB_ENV;
67		87
68	our %CFG;	88	our %CFG;
69		89
70	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
72		93
73	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		97
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		104
85	binmode STDOUT;	105	binmode STDOUT;
86	binmode STDERR;	106	binmode STDERR;
87		107
88	# read virtual server time, if available	108	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
93	}	113	}
94		114
95	mkdir cf::localdir;	115	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		117
102	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
103		119
104	sub cf::map::normalise;	120	sub cf::map::normalise;
105		121
…		…
116	=item $cf::RUNTIME	132	=item $cf::RUNTIME
117		133
118	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
119	every server tick.	135	every server tick.
120		136
121	=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
122		140
123	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		145
126	=item $cf::NOW	146	=item $cf::NOW
127		147
128	The time of the last (current) server tick.	148	The time of the last (current) server tick.
129		149
130	=item $cf::TICK	150	=item $cf::TICK
131		151
132	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	164	=item %cf::CFG
135		165
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	167	from wherever your confdir points to.
138		168
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		170
141	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
142	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
143	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.
144	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.
145		180
146	=back	181	=back
147		182
148	=cut	183	=cut
149		184
150	BEGIN {	185	BEGIN {
151	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	187	my $msg = join "", @_;
153	utf8::encode $msg;
154		188
155	$msg .= "\n"	189	$msg .= "\n"
156	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		193
158	LOG llevError, $msg;	194	LOG llevError, $msg;
159	};	195	};
160	}	196	}
161		197
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		205
169	# 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
170	# within the Safe compartment.	207	# within the Safe compartment.
171	for my $pkg (qw(	208	for my $pkg (qw(
172	cf::global cf::attachable	209	cf::global cf::attachable
…		…
177	)) {	214	)) {
178	no strict 'refs';	215	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	217	}
181		218
182	$Event::DIED = sub {	219	$EV::DIED = sub {
183	warn "error in event callback: @_";	220	warn "error in event callback: @_";
184	};	221	};
		222
		223	#############################################################################
185		224
186	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
187		226
188	=over 4	227	=over 4
189		228
…		…
208	$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;
209	$d	248	$d
210	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
211	}	250	}
212		251
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
216		253
217	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
218		255
219	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
220		257
221	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub encode_json($) { $json_coder->encode ($_[0]) }
		265	sub decode_json($) { $json_coder->decode ($_[0]) }
222		266
223	=item cf::lock_wait $string	267	=item cf::lock_wait $string
224		268
225	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
226		270
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
232	returned.	276	returned.
233		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
234	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
235	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
236		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
237	=cut	288	=cut
238		289
239	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
240		292
241	sub lock_wait($) {	293	sub lock_wait($) {
242	my ($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#
243		300
244	# wait for lock, if any	301	# wait for lock, if any
245	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	304	Coro::schedule;
…		…
253		310
254	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
255	lock_wait $key;	312	lock_wait $key;
256		313
257	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
258		316
259	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
262	}	321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
263	}	328	}
264		329
265	sub freeze_mainloop {	330	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
267		332
…		…
270	};	335	};
271	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
272	$guard	337	$guard
273	}	338	}
274		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	$sig->wait;
		411	}
		412
275	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
276		414
277	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	416	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	417	thing you are allowed to do is call C<prio> on it.
…		…
282		420
283	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
284		422
285	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
286		424
287	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
290		429
291	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
294	fast or be very important.	433	fast or be very important.
…		…
297		436
298	sub sync_job(&) {	437	sub sync_job(&) {
299	my ($job) = @_;	438	my ($job) = @_;
300		439
301	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
		441	my $time = EV::time;
		442
302	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
304		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
305	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	449	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
308		451
309	my $busy = 1;	452	my $busy = 1;
310	my @res;	453	my @res;
311		454
312	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	457	@res = eval { $job->() };
314	warn $@ if $@;	458	warn $@ if $@;
315	undef $busy;	459	undef $busy;
316	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
317		461
318	while ($busy) {	462	while ($busy) {
319	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
320	}	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
321		476
322	wantarray ? @res : $res[0]	477	wantarray ? @res : $res[0]
323	} else {	478	} else {
324	# we are in another coroutine, how wonderful, everything just works	479	# we are in another coroutine, how wonderful, everything just works
325		480
…		…
345	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
346		501
347	$coro	502	$coro
348	}	503	}
349		504
350	sub write_runtime {	505	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		506
353	my $runtime = cf::localdir . "/runtime";	507	Executes the given code block with the given arguments in a seperate
		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.
354		511
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	512	=cut
356	or return;
357		513
358	my $value = $cf::RUNTIME + 90 + 10;	514	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	515	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		516
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	517	# we seemingly have to make a local copy of the whole thing,
363	and return;	518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
364		520
365	# always fsync - this file is important	521	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	522	reset_signals;
367	and return;	523	&$cb
		524	}, @args;
368		525
369	close $fh	526	wantarray ? @res : $res[-1]
370	or return;	527	}
371		528
372	aio_rename "$runtime~", $runtime	529	=item $value = cf::db_get $family => $key
373	and return;
374		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($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
375	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		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 });
376	}	665	}
377		666
378	=back	667	=back
379		668
380	=cut	669	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
389		678
390	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>
391	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
392	crossfire+).	681	Deliantra).
393		682
394	=over 4	683	=over 4
395		684
396	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
397		686
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	849	$registry = $CB_TYPE[$object_type] ||= [];
561		850
562	} elsif ($type eq "subtype") {	851	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	852	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	853	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	854	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		855
567	} elsif ($type eq "package") {	856	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	857	my $pkg = shift @arg;
569		858
570	while (my ($name, $id) = each %cb_id) {	859	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
600	}	889	}
601		890
602	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
603	} else {	892	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	894	}
606		895
607	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
608	}	897	}
609		898
…		…
611	if (ref $_[0]) {	900	if (ref $_[0]) {
612	_object_attach @_;	901	_object_attach @_;
613	} else {	902	} else {
614	_attach shift->_attach_registry, @_;	903	_attach shift->_attach_registry, @_;
615	}	904	}
		905	_recalc_want;
616	};	906	};
617		907
618	# all those should be optimised	908	# all those should be optimised
619	sub cf::attachable::detach {	909	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	910	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	913	delete $obj->{_attachment}{$name};
624	reattach ($obj);	914	reattach ($obj);
625	} else {	915	} else {
626	Carp::croak "cannot, currently, detach class attachments";	916	Carp::croak "cannot, currently, detach class attachments";
627	}	917	}
		918	_recalc_want;
628	};	919	};
629		920
630	sub cf::attachable::attached {	921	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	922	my ($obj, $name) = @_;
632		923
…		…
647	";	938	";
648	die if $@;	939	die if $@;
649	}	940	}
650		941
651	our $override;	942	our $override;
652	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?
653		944
654	sub override {	945	sub override {
655	$override = 1;	946	$override = 1;
656	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
657	}	948	}
658		949
659	sub do_invoke {	950	sub do_invoke {
660	my $event = shift;	951	my $event = shift;
661	my $callbacks = shift;	952	my $callbacks = shift;
662		953
663	@invoke_results = ();	954	@INVOKE_RESULTS = ();
664		955
665	local $override;	956	local $override;
666		957
667	for (@$callbacks) {	958	for (@$callbacks) {
668	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
685		976
686	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
687		978
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		982
692	=back	983	=back
693		984
694	=cut	985	=cut
695		986
696	#############################################################################	987	#############################################################################
697	# 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, $ob2
		1030	}
698		1031
699	sub reattach {	1032	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1034	my ($obj) = @_;
702		1035
…		…
723	cf::attachable->attach (	1056	cf::attachable->attach (
724	prio => -1000000,	1057	prio => -1000000,
725	on_instantiate => sub {	1058	on_instantiate => sub {
726	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
727		1060
728	$data = from_json $data;	1061	$data = decode_json $data;
729		1062
730	for (@$data) {	1063	for (@$data) {
731	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
732		1065
733	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1082	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
751		1084
752	sync_job {	1085	sync_job {
753	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
756		1090
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1095	close $fh;
762		1096
763	if (@$objs) {	1097	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1103	close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
771	}	1105	}
…		…
779	}	1113	}
780	} else {	1114	} else {
781	aio_unlink $filename;	1115	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
783	}	1117	}
784	}	1118	};
785	}	1119	}
786		1120
787	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
789		1123
…		…
801	or return;	1135	or return;
802		1136
803	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
805	or return;	1139	or return;
		1140
806	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
807	}	1143	}
808		1144
		1145	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
811	return ($data, $av);	1149	($data, $av)
812	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
813		1157
814	#############################################################################	1158	#############################################################################
815	# command handling &c	1159	# command handling &c
816		1160
817	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1175	}
832		1176
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1178
835	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.
836		1184
837	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
838	called.	1186	called.
839		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
840	=cut	1199	=cut
841		1200
842	sub register_extcmd {	1201	sub register_extcmd {
843	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
844		1203
845	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
846	}	1211	}
847		1212
848	cf::player->attach (	1213	cf::player->attach (
849	on_command => sub {	1214	on_command => sub {
850	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1224	cf::override;
860	},	1225	},
861	on_extcmd => sub {	1226	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
863		1228
864	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1230
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
872	} else {	1246	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1248	}
875		1249
876	cf::override;	1250	cf::override;
877	},	1251	},
878	);	1252	);
879		1253
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
915	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1259	next unless -r $path;
917	eval {	1260
918	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	$progress = 1;
919	1	1318	}
920	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
921	}	1324	};
922	}	1325	}
923		1326
924	#############################################################################	1327	#############################################################################
925		1328
		1329	=back
		1330
926	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
927		1332
928	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
929		1334
930	=cut	1335	=cut
…		…
935		1340
936	=head3 cf::player	1341	=head3 cf::player
937		1342
938	=over 4	1343	=over 4
939		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
940	=item cf::player::find $login	1359	=item cf::player::find $login
941		1360
942	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
943		1362
944	=cut	1363	=cut
945		1364
946	sub playerdir($) {	1365	sub playerdir($) {
947	cf::localdir	1366	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1367	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1368	}
953		1369
954	sub path($) {	1370	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1371	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1372
957	(playerdir $login) . "/$login.pl"	1373	(playerdir $login) . "/playerdata"
958	}	1374	}
959		1375
960	sub find_active($) {	1376	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1377	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1378	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1391	my $login = $_[0];
976		1392
977	my $guard = cf::lock_acquire "user_find:$login";	1393	my $guard = cf::lock_acquire "user_find:$login";
978		1394
979	$cf::PLAYER{$_[0]} || do {	1395	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
983	}	1411	}
984	}	1412	}
985	}	1413	}
986		1414
…		…
996		1424
997	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
999		1427
1000	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1001	Coro::cede;	1429	cf::cede_to_tick;
1002	}	1430	}
1003		1431
1004	sub new($) {	1432	sub new($) {
1005	my ($login) = @_;	1433	my ($login) = @_;
1006		1434
…		…
1010	$self->{deny_save} = 1;	1438	$self->{deny_save} = 1;
1011		1439
1012	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1013		1441
1014	$self	1442	$self
		1443	}
		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 (@_);
1015	}	1453	}
1016		1454
1017	=item $pl->quit_character	1455	=item $pl->quit_character
1018		1456
1019	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
…		…
1068	while and may block, so not sync_job-capable, ever.	1506	while and may block, so not sync_job-capable, ever.
1069		1507
1070	=cut	1508	=cut
1071		1509
1072	sub list_logins {	1510	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1511	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1512	or return [];
1075		1513
1076	my @logins;	1514	my @logins;
1077		1515
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1082		1525
1083	utf8::decode $login;	1526	utf8::decode $login;
1084	push @logins, $login;	1527	push @logins, $login;
1085	}	1528	}
1086		1529
…		…
1113	}	1556	}
1114		1557
1115	\@paths	1558	\@paths
1116	}	1559	}
1117		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
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1119		1655
1120	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1121		1657
1122	=cut	1658	=cut
1123		1659
1124	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1126		1662
1127	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1664	}
1131		1665
1132	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	$match
		1705	}
1133		1706
1134	=back	1707	=back
1135
1136		1708
1137	=head3 cf::map	1709	=head3 cf::map
1138		1710
1139	=over 4	1711	=over 4
1140		1712
…		…
1195	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1196		1768
1197	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1198	local $self->{path};	1770	local $self->{path};
1199	local $self->{load_path};	1771	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1772
1203	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1204	}	1774	}
1205		1775
1206	sub normalise {	1776	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1254	return $self;	1824	return $self;
1255	}	1825	}
1256	}	1826	}
1257		1827
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1829	()
1260	}	1830	}
1261		1831
1262	sub init {	1832	sub init {
1263	my ($self) = @_;	1833	my ($self) = @_;
…		…
1278		1848
1279	# the original (read-only) location	1849	# the original (read-only) location
1280	sub load_path {	1850	sub load_path {
1281	my ($self) = @_;	1851	my ($self) = @_;
1282		1852
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1284	}	1854	}
1285		1855
1286	# the temporary/swap location	1856	# the temporary/swap location
1287	sub save_path {	1857	sub save_path {
1288	my ($self) = @_;	1858	my ($self) = @_;
1289		1859
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1292	}	1862	}
1293		1863
1294	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1295	sub uniq_path {	1865	sub uniq_path {
1296	my ($self) = @_;	1866	my ($self) = @_;
1297		1867
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1300	}	1870	}
1301		1871
1302	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1303	# all maps in C++...	1873	# all maps in C++...
1304	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1306		1876
1307	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1309	}	1879	}
1310		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1311	sub unlink_save {	1889	sub unlink_save {
1312	my ($self) = @_;	1890	my ($self) = @_;
1313		1891
1314	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1896
1319	sub load_header_from($) {	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;
1613		2232
1614	$self->in_memory (cf::MAP_SWAPPED);	2233	$self->in_memory (cf::MAP_SWAPPED);
1615		2234
1616	# need to save uniques path	2235	# need to save uniques path
1617	unless ($self->{deny_save}) {	2236	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2240	if $uniq;
1622	}	2241	}
1623		2242
1624	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1625		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2247	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2248
1630	$self->unlink_save;	2249	$self->unlink_save;
1631	$self->destroy;	2250	$self->destroy;
1632	}	2251	}
1633		2252
1634	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1635		2254
1636	sub nuke {	2255	sub nuke {
1637	my ($self) = @_;	2256	my ($self) = @_;
1638		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1639	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1640		2262
1641	$self->unlink_save;	2263	$self->unlink_save;
1642		2264
1643	bless $self, "cf::map";	2265	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2270
1649	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1650		2273
1651	$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	]
1652	}	2311	}
1653		2312
1654	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1655		2314
1656	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2316	instantiated unique items. May block.
1658		2317
1659	=cut	2318	=cut
1660		2319
1661	sub unique_maps() {	2320	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2321	[
1663	or return;	2322	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2323	utf8::decode $_;
1669	next if /\.pst$/;	2324	/\.map$/
1670	next unless /^$PATH_SEP/o;	2325	? normalise $_
1671		2326	: ()
1672	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2328	]
1674
1675	\@paths
1676	}	2329	}
1677		2330
1678	package cf;	2331	package cf;
1679		2332
1680	=back	2333	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1699	}	2352	}
1700		2353
1701	sub inv_recursive {	2354	sub inv_recursive {
1702	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	}
1703	}	2384	}
1704		2385
1705	package cf;	2386	package cf;
1706		2387
1707	=back	2388	=back
…		…
1726		2407
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2409
1729	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1734	}	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 (@_);
1735	}	2435	}
1736		2436
1737	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1738		2438
1739	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1787		2487
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2489
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1792		2492
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2494	}
1795		2495
1796	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1798		2500
1799	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1800		2502
1801	unless ($map) {	2503	unless ($map) {
1802	# restore original map position	2504	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1819		2521
1820	$map->load;	2522	$map->load;
1821	$map->load_diag;	2523	$map->load_neighbours;
1822		2524
1823	return unless $self->contr->active;	2525	return unless $self->contr->active;
1824	$self->activate_recursive;	2526	$self->activate_recursive;
1825		2527
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1828	}	2530	}
1829		2531
1830	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2533
1834	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1838	};	2538	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2539
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2540	=cut
		2541
		2542	our $GOTOGEN;
1865		2543
1866	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1867	my ($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;
1868		2549
1869	$self->enter_link;	2550	$self->enter_link;
1870		2551
1871	(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
1872	my $map = eval {	2574	my $map = eval {
1873	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2590	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1880	})->prio (1);	2598	})->prio (1);
1881	}	2599	}
1882		2600
1883	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1884		2602
…		…
1921	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
1922	}	2640	}
1923		2641
1924	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
1925		2643
1926	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
1929		2647
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2650	undef $fh;
1933	aio_rename "$meta~", $meta;	2651	aio_rename "$meta~", $meta;
…		…
1942		2660
1943	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1944		2662
1945	if ($exit->slaying eq "/!") {	2663	if ($exit->slaying eq "/!") {
1946	#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
1947	cf::sync_job { prepare_random_map $exit };	2667	cf::sync_job { prepare_random_map $exit };
1948	}	2668	}
1949		2669
1950	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;
1951	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
1953		2673
1954	$self->enter_link;	2674	$self->enter_link;
1955		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
1956	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
1957	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2684	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
1960		2686
1961	1;	2687	1;
1962	}) {	2688	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2689	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2691	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2692	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2693
1968	warn "ERROR in enter_exit: $@";	2694	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2695	$self->leave_link;
1970	}	2696	}
1971	})->prio (1);	2697	})->prio (1);
…		…
1987		2713
1988	utf8::encode $text;	2714	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2716	}
1991		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	}
1992		2876
1993	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
1994		2878
1995	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
1996	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>,
1997	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>.
1998		2882
1999	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
2000	reliable at some point in the future.	2884	become reliable at some point in the future.
2001		2885
2002	=cut	2886	=cut
2003		2887
2004	sub cf::client::query {	2888	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2897	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2899
2016	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2018	}	2904	}
2019		2905
2020	cf::client->attach (	2906	cf::client->attach (
		2907	on_connect => sub {
		2908	my ($ns) = @_;
		2909
		2910	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2911	},
2021	on_reply => sub {	2912	on_reply => sub {
2022	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2023		2914
2024	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2025	# get handled first	2916	# get handled first
…		…
2037	} else {	2928	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2930	}
2040	}	2931	}
2041	},	2932	},
		2933	on_exticmd => sub {
		2934	my ($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	},
2042	);	2959	);
2043		2960
2044	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2045		2962
2046	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2089		3006
2090	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2091		3008
2092	$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	));
2093		3014
2094	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2095		3016
2096	=pod	3017	=pod
2097		3018
2098	The following fucntions and emthods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2099		3020
2100	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
2101	cf::object::player player	3025	cf::object::player
2102	cf::player peaceful	3026	player
2103	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2104		3033
2105	=cut	3034	=cut
2106		3035
2107	for (	3036	for (
2108	["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)],
2109	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2112	) {	3043	) {
2113	no strict 'refs';	3044	no strict 'refs';
…		…
2184	=back	3115	=back
2185		3116
2186	=cut	3117	=cut
2187		3118
2188	#############################################################################	3119	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3120	# the server's init and main functions
2262		3121
2263	sub load_faces {	3122	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3123	my ($path) = @_;
2265		3124
		3125	# HACK to clear player env face cache, we need some signal framework
		3126	# for this (global event?)
		3127	%ext::player_env::MUSIC_FACE_CACHE = ();
		3128
		3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3130
2266	warn "loading faces from $path\n";	3131	warn "loading facedata from $path\n";
2267		3132
2268	my $faces;	3133	my $facedata;
2269	0 < aio_load $path, $faces	3134	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3135	or die "$path: $!";
2271		3136
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3137	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3138
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3139	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3141
		3142	# patch in the exptable
		3143	$facedata->{resource}{"res/exp_table"} = {
		3144	type => FT_RSRC,
		3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3146	};
		3147	cf::cede_to_tick;
		3148
		3149	{
		3150	my $faces = $facedata->{faceinfo};
		3151
2280	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3158
		3159	cf::cede_to_tick;
		3160	}
		3161
2287	while (my ($face, $info) = each %$faces) {	3162	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3163	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	3164	my $idx = cf::face::find $face
2290	or next;	3165	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3166	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3167	cf::face::set_smooth $idx, $smooth;
		3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3169	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3171	}
2296	Coro::cede;	3172
		3173	cf::cede_to_tick;
		3174	}
		3175	}
		3176
		3177	{
		3178	my $anims = $facedata->{animinfo};
		3179
		3180	while (my ($anim, $info) = each %$anims) {
		3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3182	cf::cede_to_tick;
		3183	}
		3184
		3185	cf::anim::invalidate_all; # d'oh
		3186	}
		3187
		3188	{
		3189	# TODO: for gcfclient pleasure, we should give resources
		3190	# that gcfclient doesn't grok a >10000 face index.
		3191	my $res = $facedata->{resource};
		3192
		3193	my $soundconf = delete $res->{"res/sound.conf"};
		3194
		3195	while (my ($name, $info) = each %$res) {
		3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3197	my $data;
		3198
		3199	if ($info->{type} & 1) {
		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 => $face;
		3233	}
		3234	}
2297	}	3235	}
2298		3236
2299	1	3237	1
2300	}	3238	}
2301		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($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"
		3254	or die "unable to load regions file\n";
		3255
		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
2302	sub reload_resources {	3282	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3283	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3284
		3285	reload_regions;
2305	load_faces	3286	reload_facedata;
2306	or die "unable to load faces\n";#d#	3287	#reload_archetypes;#d#
		3288	reload_archetypes;
		3289	reload_treasures;
		3290
		3291	warn "finished reloading resource files\n";
2307	}	3292	}
2308		3293
2309	sub init {	3294	sub init {
2310	reload_resources;	3295	reload_resources;
2311	}	3296	}
2312		3297
2313	sub cfg_load {	3298	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3300	or return;
2316		3301
2317	local $/;	3302	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
2319		3304
…		…
2334	sub main {	3319	sub main {
2335	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2337	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#
2338	(async {	3323	(async {
2339	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2341	};	3327	};
2342		3328
2343	cfg_load;	3329	reload_config;
2344	db_init;	3330	db_init;
2345	load_extensions;	3331	load_extensions;
2346		3332
2347	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2348	Event::loop;	3335	EV::loop;
2349	}	3336	}
2350		3337
2351	#############################################################################	3338	#############################################################################
2352	# initialisation and cleanup	3339	# initialisation and cleanup
2353		3340
2354	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2355	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2364	},
2365	);	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
2366	}	3386	1
2367	}	3387	}
2368		3388
2369	sub emergency_save() {	3389	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2371		3391
…		…
2377	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3403	$pl->save;
2383	}	3404	}
2384	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2385		3406
2386	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2404		3425
2405	warn Carp::longmess "post_cleanup backtrace"	3426	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3427	if $make_core;
2407	}	3428	}
2408		3429
2409	sub reload() {	3430	sub do_reload_perl() {
2410	# can/must only be called in main	3431	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3432	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3433	warn "can only reload from main coroutine";
2413	return;	3434	return;
2414	}	3435	}
…		…
2425	warn "syncing database to disk";	3446	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3448
2428	# 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
2429		3450
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2436	for (;;) {	3452	for (;;) {
2437	BDB::flush;	3453	BDB::flush;
2438	IO::AIO::flush;	3454	IO::AIO::flush;
2439	Coro::cede;	3455	Coro::cede_notself;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";	3457	warn "iterate...";
2442	}	3458	}
2443		3459
2444	++$RELOAD;	3460	++$RELOAD;
…		…
2448	%EXT_CORO = ();	3464	%EXT_CORO = ();
2449		3465
2450	warn "removing commands";	3466	warn "removing commands";
2451	%COMMAND = ();	3467	%COMMAND = ();
2452		3468
2453	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2455		3472
2456	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2459		3476
…		…
2489	Symbol::delete_package "safe::$_"	3506	Symbol::delete_package "safe::$_"
2490	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);
2491		3508
2492	warn "unloading cf.pm \"a bit\"";	3509	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3510	delete $INC{"cf.pm"};
		3511	delete $INC{"cf/pod.pm"};
2494		3512
2495	# don't, removes xs symbols, too,	3513	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3514	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3515	#Symbol::delete_package __PACKAGE__;
2498		3516
…		…
2501	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2502	require cf;	3520	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3522
2505	warn "loading config and database again";	3523	warn "loading config and database again";
2506	cf::cfg_load;	3524	cf::reload_config;
2507		3525
2508	warn "loading extensions";	3526	warn "loading extensions";
2509	cf::load_extensions;	3527	cf::load_extensions;
2510		3528
2511	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3531	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3532	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3533	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3534	reattach $_ for values %PLAYER;
2517		3535
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3536	warn "leaving sync_job";
2522		3537
2523	1	3538	1
2524	} or do {	3539	} or do {
2525	warn $@;	3540	warn $@;
…		…
2530	warn "reloaded";	3545	warn "reloaded";
2531	};	3546	};
2532		3547
2533	our $RELOAD_WATCHER; # used only during reload	3548	our $RELOAD_WATCHER; # used only during reload
2534		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 $RELOAD_WATCHER;
		3556	do_reload_perl;
		3557	};
		3558	}
		3559
2535	register_command "reload" => sub {	3560	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2537		3562
2538	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2540		3565	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3567	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3568	};
2553	}	3569	}
2554	};	3570	};
2555		3571
2556	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2557		3573
2558	my $bug_warning = 0;	3574	my $bug_warning = 0;
2559		3575
2560	$TICK_WATCHER = Event->timer (	3576	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3577	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3578
2563	prio => 0,	3579	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3580	return unless $TICK_WATCHER->is_active;
2565	data => WF_AUTOCANCEL,	3581	return if $Coro::current == $Coro::main;
2566	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, $TICK, 0, sub {
2567	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2570	return;	3601	return;
2571	}	3602	}
2572		3603
2573	$NOW = Event::time;	3604	$NOW = $tick_start = EV::now;
2574		3605
2575	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
		3607
2576	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3609	$NEXT_TICK += $TICK;
2578		3610
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3613	Coro::async_pool {
		3614	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3615	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3617	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3618	}
2599	);	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);
2600		3633
2601	{	3634	{
2602	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3636
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
2612		3638	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3639
2628	unless ($DB_ENV) {	3640	unless ($DB_ENV) {
2629	$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);
2630		3646
2631	cf::sync_job {	3647	cf::sync_job {
2632	eval {	3648	eval {
2633	BDB::db_env_open	3649	BDB::db_env_open
2634	$DB_ENV,	3650	$DB_ENV,
2635	$BDB_ENV_DIR,	3651	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3652	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3653	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3654	0666;
2639		3655
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3656	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3657	};
2645		3658
2646	cf::cleanup "db_env_open(db): $@" if $@;	3659	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3660	};
2648	}	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	};
2649	}	3672	}
2650		3673
2651	{	3674	{
		3675	# configure IO::AIO
		3676
2652	IO::AIO::min_parallel 8;	3677	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3678	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	3679	}
		3680
		3681	my $_log_backtrace;
		3682
		3683	sub _log_backtrace {
		3684	my ($msg, @addr) = @_;
		3685
		3686	$msg =~ s/\n//;
		3687
		3688	# limit the # of concurrent backtraces
		3689	if ($_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";
		3718	}
		3719	}
		3720
		3721	# load additional modules
		3722	use cf::pod;
2665		3723
2666	END { cf::emergency_save }	3724	END { cf::emergency_save }
2667		3725
2668	1	3726	1
2669		3727

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