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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 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 1.86;
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;
21	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
22		26
		27	use JSON::XS 2.01 ();
23	use BDB ();	28	use BDB ();
24	use Data::Dumper;	29	use Data::Dumper;
25	use Digest::MD5;	30	use Digest::MD5;
26	use Fcntl;	31	use Fcntl;
27	use YAML::Syck ();	32	use YAML::Syck ();
28	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
29	use Time::HiRes;	34	use Time::HiRes;
30	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
31		37
32	# configure various modules to our taste	38	# configure various modules to our taste
33	#	39	#
34	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
35	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
36	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
37		43
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# 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?
41	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
42		46
43	$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
44		48
…		…
47	our %COMMAND = ();	51	our %COMMAND = ();
48	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
49		53
50	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
54		59
55	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
56	our @EVENT;	61	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		62
59	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	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		82
67	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	87	our $DB_ENV;
69		88
70	our %CFG;	89	our %CFG;
71		90
72	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		98
84	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
87	binmode STDOUT;	106	binmode STDOUT;
88	binmode STDERR;	107	binmode STDERR;
89		108
90	# read virtual server time, if available	109	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
95	}	114	}
96		115
97	mkdir cf::localdir;	116	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		118
104	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
105		120
106	sub cf::map::normalise;	121	sub cf::map::normalise;
107		122
…		…
118	=item $cf::RUNTIME	133	=item $cf::RUNTIME
119		134
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	136	every server tick.
122		137
123	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		141
125	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
127		146
128	=item $cf::NOW	147	=item $cf::NOW
129		148
130	The time of the last (current) server tick.	149	The time of the last (current) server tick.
131		150
132	=item $cf::TICK	151	=item $cf::TICK
133		152
134	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
135		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
136	=item %cf::CFG	165	=item %cf::CFG
137		166
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	168	from wherever your confdir points to.
140		169
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		171
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
147		181
148	=back	182	=back
149		183
150	=cut	184	=cut
151		185
152	BEGIN {	186	BEGIN {
153	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	188	my $msg = join "", @_;
155	utf8::encode $msg;
156		189
157	$msg .= "\n"	190	$msg .= "\n"
158	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
159		194
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
163		198
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		206
171	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	208	# within the Safe compartment.
173	for my $pkg (qw(	209	for my $pkg (qw(
174	cf::global cf::attachable	210	cf::global cf::attachable
…		…
179	)) {	215	)) {
180	no strict 'refs';	216	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	218	}
183		219
184	$Event::DIED = sub {	220	$EV::DIED = sub {
185	warn "error in event callback: @_";	221	warn "error in event callback: @_";
186	};	222	};
		223
		224	#############################################################################
187		225
188	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
189		227
190	=over 4	228	=over 4
191		229
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	249	$d
212	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
213	}	251	}
214		252
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
218		254
219	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
220		256
221	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub encode_json($) { $json_coder->encode ($_[0]) }
		266	sub decode_json($) { $json_coder->decode ($_[0]) }
224		267
225	=item cf::lock_wait $string	268	=item cf::lock_wait $string
226		269
227	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
228		271
…		…
231	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
234	returned.	277	returned.
235		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
236	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
238		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
239	=cut	289	=cut
240		290
241	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
242		293
243	sub lock_wait($) {	294	sub lock_wait($) {
244	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
245		301
246	# wait for lock, if any	302	# wait for lock, if any
247	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	305	Coro::schedule;
…		…
255		311
256	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
257	lock_wait $key;	313	lock_wait $key;
258		314
259	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
260		317
261	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
264	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
265	}	329	}
266		330
267	sub freeze_mainloop {	331	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
269		333
…		…
272	};	336	};
273	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
274	$guard	338	$guard
275	}	339	}
276		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
		412	}
		413
277	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
278		415
279	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
284		421
285	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
286		423
287	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
288		425
289	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
292		430
293	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
296	fast or be very important.	434	fast or be very important.
…		…
299		437
300	sub sync_job(&) {	438	sub sync_job(&) {
301	my ($job) = @_;	439	my ($job) = @_;
302		440
303	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
304	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
306		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
307	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	450	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
310		452
311	my $busy = 1;	453	my $busy = 1;
312	my @res;	454	my @res;
313		455
314	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	458	@res = eval { $job->() };
316	warn $@ if $@;	459	warn $@ if $@;
317	undef $busy;	460	undef $busy;
318	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
319		462
320	while ($busy) {	463	while ($busy) {
321	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
322	}	468	}
		469	}
		470
		471	$time = EV::time - $time;
		472
		473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		475
		476	$tick_start += $time; # do not account sync jobs to server load
323		477
324	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
325	} else {	479	} else {
326	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
327		481
…		…
347	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
348		502
349	$coro	503	$coro
350	}	504	}
351		505
352	sub write_runtime {	506	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		507
355	my $runtime = cf::localdir . "/runtime";	508	Executes the given code block with the given arguments in a seperate
		509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
356		512
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	=cut
358	or return;
359		514
360	my $value = $cf::RUNTIME + 90 + 10;	515	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	516	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		517
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	518	# we seemingly have to make a local copy of the whole thing,
365	and return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
366		521
367	# always fsync - this file is important	522	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	523	reset_signals;
369	and return;	524	&$cb
		525	}, @args;
370		526
371	close $fh	527	wantarray ? @res : $res[-1]
372	or return;	528	}
373		529
374	aio_rename "$runtime~", $runtime	530	=item $value = cf::db_get $family => $key
375	and return;
376		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=item $db = cf::db_table "name"
		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
377	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
378	}	655	}
379		656
380	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
381		658
382	Log a datalog packet of the given type with the given key-value pairs.	659	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
402		679
403	In the following description, CLASS can be any of C<global>, C<object>	680	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	682	Deliantra).
406		683
407	=over 4	684	=over 4
408		685
409	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
410		687
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
574		851
575	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		856
580	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	858	my $pkg = shift @arg;
582		859
583	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
613	}	890	}
614		891
615	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
616	} else {	893	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	895	}
619		896
620	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
621	}	898	}
622		899
…		…
624	if (ref $_[0]) {	901	if (ref $_[0]) {
625	_object_attach @_;	902	_object_attach @_;
626	} else {	903	} else {
627	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
628	}	905	}
		906	_recalc_want;
629	};	907	};
630		908
631	# all those should be optimised	909	# all those should be optimised
632	sub cf::attachable::detach {	910	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
637	reattach ($obj);	915	reattach ($obj);
638	} else {	916	} else {
639	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
640	}	918	}
		919	_recalc_want;
641	};	920	};
642		921
643	sub cf::attachable::attached {	922	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
645		924
…		…
660	";	939	";
661	die if $@;	940	die if $@;
662	}	941	}
663		942
664	our $override;	943	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		945
667	sub override {	946	sub override {
668	$override = 1;	947	$override = 1;
669	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
670	}	949	}
671		950
672	sub do_invoke {	951	sub do_invoke {
673	my $event = shift;	952	my $event = shift;
674	my $callbacks = shift;	953	my $callbacks = shift;
675		954
676	@invoke_results = ();	955	@INVOKE_RESULTS = ();
677		956
678	local $override;	957	local $override;
679		958
680	for (@$callbacks) {	959	for (@$callbacks) {
681	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
690	}	969	}
691		970
692	0	971	0
693	}	972	}
694		973
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		975
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		977
699	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
700		979
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	981	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		983
705	=back	984	=back
706		985
707	=cut	986	=cut
708		987
709	#############################################################################	988	#############################################################################
710	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
711		1032
712	sub reattach {	1033	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1035	my ($obj) = @_;
715		1036
…		…
736	cf::attachable->attach (	1057	cf::attachable->attach (
737	prio => -1000000,	1058	prio => -1000000,
738	on_instantiate => sub {	1059	on_instantiate => sub {
739	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
740		1061
741	$data = from_json $data;	1062	$data = decode_json $data;
742		1063
743	for (@$data) {	1064	for (@$data) {
744	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
745		1066
746	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1083	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
764		1085
765	sync_job {	1086	sync_job {
766	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
769		1091
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1096	close $fh;
775		1097
776	if (@$objs) {	1098	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1104	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
784	}	1106	}
…		…
792	}	1114	}
793	} else {	1115	} else {
794	aio_unlink $filename;	1116	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
796	}	1118	}
797	}	1119	};
798	}	1120	}
799		1121
800	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
802		1124
…		…
814	or return;	1136	or return;
815		1137
816	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
818	or return;	1140	or return;
		1141
819	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
820	}	1144	}
821		1145
		1146	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
824	return ($data, $av);	1150	($data, $av)
825	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
826		1158
827	#############################################################################	1159	#############################################################################
828	# command handling &c	1160	# command handling &c
829		1161
830	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1176	}
845		1177
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1179
848	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
849		1185
850	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
851	called.	1187	called.
852		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
853	=cut	1200	=cut
854		1201
855	sub register_extcmd {	1202	sub register_extcmd {
856	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
857		1204
858	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
859	}	1212	}
860		1213
861	cf::player->attach (	1214	cf::player->attach (
862	on_command => sub {	1215	on_command => sub {
863	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1225	cf::override;
873	},	1226	},
874	on_extcmd => sub {	1227	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
876		1229
877	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1231
879	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
885	} else {	1247	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1249	}
888		1250
889	cf::override;	1251	cf::override;
890	},	1252	},
891	);	1253	);
892		1254
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
928	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1260	next unless -r $path;
930	eval {	1261
931	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
932	1	1319	}
933	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
934	}	1325	};
935	}	1326	}
936		1327
937	#############################################################################	1328	#############################################################################
938		1329
		1330	=back
		1331
939	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
940		1333
941	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
942		1335
943	=cut	1336	=cut
…		…
948		1341
949	=head3 cf::player	1342	=head3 cf::player
950		1343
951	=over 4	1344	=over 4
952		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
		1359
953	=item cf::player::find $login	1360	=item cf::player::find $login
954		1361
955	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
956		1363
957	=cut	1364	=cut
958		1365
959	sub playerdir($) {	1366	sub playerdir($) {
960	cf::localdir	1367	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1369	}
966		1370
967	sub path($) {	1371	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
999		1403
1000	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1003	}	1412	}
1004	}	1413	}
1005	}	1414	}
1006		1415
…		…
1016		1425
1017	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1019		1428
1020	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1021	Coro::cede;	1430	cf::cede_to_tick;
1022	}	1431	}
1023		1432
1024	sub new($) {	1433	sub new($) {
1025	my ($login) = @_;	1434	my ($login) = @_;
1026		1435
…		…
1030	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1031		1440
1032	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1033		1442
1034	$self	1443	$self
		1444	}
		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
1035	}	1454	}
1036		1455
1037	=item $pl->quit_character	1456	=item $pl->quit_character
1038		1457
1039	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1089		1508
1090	=cut	1509	=cut
1091		1510
1092	sub list_logins {	1511	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1513	or return [];
1095		1514
1096	my @logins;	1515	my @logins;
1097		1516
1098	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1102		1526
1103	utf8::decode $login;	1527	utf8::decode $login;
1104	push @logins, $login;	1528	push @logins, $login;
1105	}	1529	}
1106		1530
…		…
1133	}	1557	}
1134		1558
1135	\@paths	1559	\@paths
1136	}	1560	}
1137		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1138	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1139		1656
1140	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1141		1658
1142	=cut	1659	=cut
1143		1660
1144	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1146		1663
1147	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1665	}
1151		1666
1152	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1153		1668
1154	Sends an ext event to the client.	1669	Sends an ext event to the client.
1155		1670
1156	=cut	1671	=cut
1157		1672
1158	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1160		1675
1161	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1162	}	1677	}
1163		1678
1164	package cf;	1679	=head3 cf::region
		1680
		1681	=over 4
		1682
		1683	=cut
		1684
		1685	package cf::region;
		1686
		1687	=item cf::region::find_by_path $path
		1688
		1689	Tries to decuce the likely region for a map knowing only its path.
		1690
		1691	=cut
		1692
		1693	sub find_by_path($) {
		1694	my ($path) = @_;
		1695
		1696	my ($match, $specificity);
		1697
		1698	for my $region (list) {
		1699	if ($region->{match} && $path =~ $region->{match}) {
		1700	($match, $specificity) = ($region, $region->specificity)
		1701	if $region->specificity > $specificity;
		1702	}
		1703	}
		1704
		1705	$match
		1706	}
1165		1707
1166	=back	1708	=back
1167
1168		1709
1169	=head3 cf::map	1710	=head3 cf::map
1170		1711
1171	=over 4	1712	=over 4
1172		1713
…		…
1227	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1228		1769
1229	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1230	local $self->{path};	1771	local $self->{path};
1231	local $self->{load_path};	1772	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1773
1235	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1236	}	1775	}
1237		1776
1238	sub normalise {	1777	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1286	return $self;	1825	return $self;
1287	}	1826	}
1288	}	1827	}
1289		1828
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1830	()
1292	}	1831	}
1293		1832
1294	sub init {	1833	sub init {
1295	my ($self) = @_;	1834	my ($self) = @_;
…		…
1310		1849
1311	# the original (read-only) location	1850	# the original (read-only) location
1312	sub load_path {	1851	sub load_path {
1313	my ($self) = @_;	1852	my ($self) = @_;
1314		1853
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1316	}	1855	}
1317		1856
1318	# the temporary/swap location	1857	# the temporary/swap location
1319	sub save_path {	1858	sub save_path {
1320	my ($self) = @_;	1859	my ($self) = @_;
1321		1860
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1862	"$TMPDIR/$path.map"
1324	}	1863	}
1325		1864
1326	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1327	sub uniq_path {	1866	sub uniq_path {
1328	my ($self) = @_;	1867	my ($self) = @_;
1329		1868
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1870	"$UNIQUEDIR/$path"
1332	}	1871	}
1333		1872
1334	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1335	# all maps in C++...	1874	# all maps in C++...
1336	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1338		1877
1339	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1341	}	1880	}
1342		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1343	sub unlink_save {	1890	sub unlink_save {
1344	my ($self) = @_;	1891	my ($self) = @_;
1345		1892
1346	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1897
1351	sub load_header_from($) {	1898	sub load_header_from($) {
1352	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1353		1900
1354	utf8::encode $path;	1901	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1903	or return;
		1904
		1905	$self->_load_header ($f)
		1906	or return;
		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
1360		1910
1361	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1362		1912
1363	1	1913	1
1364	}	1914	}
…		…
1403	$self->load_header_orig	1953	$self->load_header_orig
1404	or return;	1954	or return;
1405	$self->prepare_orig;	1955	$self->prepare_orig;
1406	}	1956	}
1407		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
		1961	$self->default_region (cf::region::find_by_path $self->{path})
		1962	unless $self->default_region;
		1963
1408	1	1964	1
1409	}	1965	}
1410		1966
1411	sub find;	1967	sub find;
1412	sub find {	1968	sub find {
1413	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1414		1970
1415	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1416		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1418		1975
1419	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1979
1421	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1422	or return;	1981	or return;
1423		1982
1424	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1425		1984
1426	$map->load_header	1985	$map->load_header
1427	or return;	1986	or return;
1428		1987
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1432	$map->reset;	1993	$map->reset;
1433	undef $guard;
1434	return find $path;	1994	return find $path;
1435	}	1995	}
1436		1996
1437	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1438	}	1998	}
…		…
1445	my ($self) = @_;	2005	my ($self) = @_;
1446		2006
1447	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1448		2008
1449	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1451		2013
		2014	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2016
1454	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1455		2018
1456	$self->alloc;	2019	$self->alloc;
1457		2020
1458	$self->pre_load;	2021	$self->pre_load;
		2022	cf::cede_to_tick;
1459		2023
1460	$self->_load_objects ($self->{load_path}, 1)	2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
		2026	$self->_load_objects ($f)
1461	or return;	2027	or return;
1462		2028
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	2030	if delete $self->{load_original};
1465		2031
1466	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2033	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2036	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1471	}	2040	}
1472	}	2041	}
1473		2042
1474	Coro::cede;	2043	$f->resolve_delayed_derefs;
1475		2044
		2045	cf::cede_to_tick;
1476	# now do the right thing for maps	2046	# now do the right thing for maps
1477	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2049	unless $self->difficulty;
1487	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($self->{deny_activate}) {
		2053	$self->decay_objects;
		2054	$self->fix_auto_apply;
		2055	$self->update_buttons;
		2056	cf::cede_to_tick;
		2057	$self->set_darkness_map;
		2058	cf::cede_to_tick;
1488	$self->activate;	2059	$self->activate;
		2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
		2064
		2065	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2066	}
1490		2067
1491	$self->post_load;	2068	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2069	}
1495		2070
1496	sub customise_for {	2071	sub customise_for {
1497	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1498		2073
1499	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2075	if $self->per_player;
1501		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1502	$self	2080	$self
1503	}	2081	}
1504		2082
1505	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2084	sub load_neighbours {
1507	my ($map) = @_;	2085	my ($map) = @_;
1508		2086
1509	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1510		2088
1511	for (0 .. 3) {	2089	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1513	or next;	2091	or next;
1514	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1515	or next;	2093	or next;
1516	$neigh->load;	2094	$neigh->load;
1517		2095
		2096	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2099	}
1521		2100
1522	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1524	or next;	2104	or next;
1525	$neigh->load;	2105	$neigh->load;
1526	}	2106	}
1527	}	2107	}
1528		2108
…		…
1533	}	2113	}
1534		2114
1535	sub do_load_sync {	2115	sub do_load_sync {
1536	my ($map) = @_;	2116	my ($map) = @_;
1537		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1538	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1539	}	2122	}
1540		2123
1541	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1543		2126
1544	sub find_async {	2127	sub find_async {
1545	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1546		2129
1547	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1548		2131
1549	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	2134	}
1552		2135
1553	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1554	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1555	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2143	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2144	$map->load if $v;
		2145	}
1560		2146
1561	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1562	}	2148	}
1563	}	2149	}
1564	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1565	};	2151	};
1566	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2155	}
1570		2156
1571	sub save {	2157	sub save {
1572	my ($self) = @_;	2158	my ($self) = @_;
1573		2159
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2161
1576	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1577		2163
1578	return unless $self->dirty;	2164	return unless $self->dirty;
1579		2165
…		…
1585	return if $self->{deny_save};	2171	return if $self->{deny_save};
1586		2172
1587	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1588		2174
1589	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1591	};	2178	};
1592		2179
1593	if ($uniq) {	2180	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1602	my ($self) = @_;	2189	my ($self) = @_;
1603		2190
1604	# save first because save cedes	2191	# save first because save cedes
1605	$self->save;	2192	$self->save;
1606		2193
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2195
1609	return if $self->players;	2196	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2198	return if $self->{deny_save};
1612		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2204	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2205	}
1616		2206
1617	sub reset_at {	2207	sub reset_at {
1618	my ($self) = @_;	2208	my ($self) = @_;
1619		2209
1620	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1623		2212
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2215
…		…
1637	my ($self) = @_;	2226	my ($self) = @_;
1638		2227
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2229
1641	return if $self->players;	2230	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2231
1644	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1645		2233
1646	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1647		2235
1648	# need to save uniques path	2236	# need to save uniques path
1649	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2241	if $uniq;
1654	}	2242	}
1655		2243
1656	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1657		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2248	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2249
1662	$self->unlink_save;	2250	$self->unlink_save;
1663	$self->destroy;	2251	$self->destroy;
1664	}	2252	}
1665		2253
1666	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1667		2255
1668	sub nuke {	2256	sub nuke {
1669	my ($self) = @_;	2257	my ($self) = @_;
1670		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1671	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1672		2263
1673	$self->unlink_save;	2264	$self->unlink_save;
1674		2265
1675	bless $self, "cf::map";	2266	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2271
1681	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1682		2274
1683	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
		2276	}
		2277
		2278	=item $maps = cf::map::tmp_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	maps. May block.
		2282
		2283	=cut
		2284
		2285	sub tmp_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise $_
		2291	: ()
		2292	} @{ aio_readdir $TMPDIR or [] }
		2293	]
		2294	}
		2295
		2296	=item $maps = cf::map::random_maps
		2297
		2298	Returns an arrayref with all map paths of currently instantiated and saved
		2299	random maps. May block.
		2300
		2301	=cut
		2302
		2303	sub random_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	/\.map$/
		2308	? normalise "?random/$_"
		2309	: ()
		2310	} @{ aio_readdir $RANDOMDIR or [] }
		2311	]
1684	}	2312	}
1685		2313
1686	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1687		2315
1688	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2317	instantiated unique items. May block.
1690		2318
1691	=cut	2319	=cut
1692		2320
1693	sub unique_maps() {	2321	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1695	or return;	2323	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2324	utf8::decode $_;
1701	next if /\.pst$/;	2325	/\.map$/
1702	next unless /^$PATH_SEP/o;	2326	? normalise $_
1703		2327	: ()
1704	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2329	]
1706
1707	\@paths
1708	}	2330	}
1709		2331
1710	package cf;	2332	package cf;
1711		2333
1712	=back	2334	=back
…		…
1730	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1731	}	2353	}
1732		2354
1733	sub inv_recursive {	2355	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
		2357	}
		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
1735	}	2385	}
1736		2386
1737	package cf;	2387	package cf;
1738		2388
1739	=back	2389	=back
…		…
1758		2408
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2410
1761	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1763	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1766	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1767	}	2436	}
1768		2437
1769	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1770		2439
1771	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1819		2488
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2490
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1824		2493
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2495	}
1827		2496
1828	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1830		2501
1831	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1832		2503
1833	unless ($map) {	2504	unless ($map) {
1834	# restore original map position	2505	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1851		2522
1852	$map->load;	2523	$map->load;
1853	$map->load_diag;	2524	$map->load_neighbours;
1854		2525
1855	return unless $self->contr->active;	2526	return unless $self->contr->active;
1856	$self->activate_recursive;	2527	$self->activate_recursive;
1857		2528
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1860	}	2531	}
1861		2532
1862	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2534
1866	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1870	};	2539	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2540
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1897		2544
1898	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
		2547
		2548	# do generation counting so two concurrent goto's will be executed in-order
		2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2550
1901	$self->enter_link;	2551	$self->enter_link;
1902		2552
1903	(async {	2553	(async {
		2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
1904	my $map = eval {	2575	my $map = eval {
1905	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2579	$map = $map->customise_for ($self);
		2580	$map = $check->($map) if $check && $map;
		2581	} else {
		2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584
1907	$map	2585	$map
		2586	};
		2587
		2588	if ($@) {
		2589	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2591	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1912	})->prio (1);	2599	})->prio (1);
1913	}	2600	}
1914		2601
1915	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1916		2603
…		…
1953	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1954	}	2641	}
1955		2642
1956	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1957		2644
1958	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
1961		2648
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2651	undef $fh;
1965	aio_rename "$meta~", $meta;	2652	aio_rename "$meta~", $meta;
…		…
1985	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
1987		2674
1988	$self->enter_link;	2675	$self->enter_link;
1989		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
1990	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
1991	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2685	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
1994		2687
1995	1;	2688	1;
…		…
2021		2714
2022	utf8::encode $text;	2715	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2717	}
2025		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
2026	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2027		2844
2028	Sends an exti event to the client.	2845	Sends an ext event to the client.
2029		2846
2030	=cut	2847	=cut
2031		2848
2032	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2034		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
2037	}	2876	}
2038		2877
2039	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2040		2879
2041	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2883
2045	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2885	become reliable at some point in the future.
2047		2886
2048	=cut	2887	=cut
2049		2888
2050	sub cf::client::query {	2889	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2898	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2900
2062	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2064	}	2905	}
2065		2906
2066	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2067	on_reply => sub {	2913	on_reply => sub {
2068	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2069		2915
2070	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2071	# get handled first	2917	# get handled first
…		…
2083	} else {	2929	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2931	}
2086	}	2932	}
2087	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
2088	);	2960	);
2089		2961
2090	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2091		2963
2092	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2135		3007
2136	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2137		3009
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2139		3015
2140	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2141		3017
2142	=pod	3018	=pod
2143		3019
2144	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2145		3021
2146	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2147	cf::object::player player	3026	cf::object::player
2148	cf::player peaceful	3027	player
2149	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2150		3034
2151	=cut	3035	=cut
2152		3036
2153	for (	3037	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2155	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2158	) {	3044	) {
2159	no strict 'refs';	3045	no strict 'refs';
…		…
2230	=back	3116	=back
2231		3117
2232	=cut	3118	=cut
2233		3119
2234	#############################################################################	3120	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3121	# the server's init and main functions
2308		3122
2309	sub load_facedata {	3123	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3124	my ($path) = @_;
		3125
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3131
2312	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2313		3133
2314	my $facedata;	3134	my $facedata;
2315	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2319		3139
2320	$facedata->{version} == 2	3140	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3142
		3143	# patch in the exptable
		3144	$facedata->{resource}{"res/exp_table"} = {
		3145	type => FT_RSRC,
		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3147	};
		3148	cf::cede_to_tick;
		3149
2323	{	3150	{
2324	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2325		3152
2326	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3160
		3161	cf::cede_to_tick;
2332	}	3162	}
2333		3163
2334	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2336	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2337	or next;	3168	or next;
		3169
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3173	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3175	}
2343	Coro::cede;	3176
		3177	cf::cede_to_tick;
2344	}	3178	}
2345	}	3179	}
2346		3180
2347	{	3181	{
2348	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2349		3183
2350	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3186	cf::cede_to_tick;
2353	}	3187	}
2354		3188
2355	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2356	}	3190	}
2357		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
2358	1	3227	1
2359	}	3228	}
2360		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
		3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
		3263	load_resource_file "$MAPDIR/regions"
		3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
		3270	}
		3271
		3272	sub reload_facedata {
		3273	load_facedata "$DATADIR/facedata"
		3274	or die "unable to load facedata\n";
		3275	}
		3276
		3277	sub reload_archetypes {
		3278	load_resource_file "$DATADIR/archetypes"
		3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	}
		3286
		3287	sub reload_treasures {
		3288	load_resource_file "$DATADIR/treasures"
		3289	or die "unable to load treasurelists\n";
		3290	}
		3291
2361	sub reload_resources {	3292	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3293	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3294
		3295	reload_regions;
2364	load_facedata	3296	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3297	#reload_archetypes;#d#
		3298	reload_archetypes;
		3299	reload_treasures;
		3300
		3301	warn "finished reloading resource files\n";
2366	}	3302	}
2367		3303
2368	sub init {	3304	sub init {
2369	reload_resources;	3305	reload_resources;
2370	}	3306	}
2371		3307
2372	sub cfg_load {	3308	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3310	or return;
2375		3311
2376	local $/;	3312	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
2378		3314
…		…
2393	sub main {	3329	sub main {
2394	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3333	(async {
2398	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2400	};	3337	};
2401		3338
2402	cfg_load;	3339	reload_config;
2403	db_init;	3340	db_init;
2404	load_extensions;	3341	load_extensions;
2405		3342
2406	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2407	Event::loop;	3345	EV::loop;
2408	}	3346	}
2409		3347
2410	#############################################################################	3348	#############################################################################
2411	# initialisation and cleanup	3349	# initialisation and cleanup
2412		3350
2413	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2414	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2423	},
2424	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2425	}	3396	1
2426	}	3397	}
2427		3398
2428	sub emergency_save() {	3399	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2430		3401
…		…
2436	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3413	$pl->save;
2442	}	3414	}
2443	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2444		3416
2445	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2463		3435
2464	warn Carp::longmess "post_cleanup backtrace"	3436	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3437	if $make_core;
2466	}	3438	}
2467		3439
2468	sub reload() {	3440	sub do_reload_perl() {
2469	# can/must only be called in main	3441	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3442	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3443	warn "can only reload from main coroutine";
2472	return;	3444	return;
2473	}	3445	}
…		…
2484	warn "syncing database to disk";	3456	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3458
2487	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2488		3460
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2495	for (;;) {	3462	for (;;) {
2496	BDB::flush;	3463	BDB::flush;
2497	IO::AIO::flush;	3464	IO::AIO::flush;
2498	Coro::cede;	3465	Coro::cede_notself;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";	3467	warn "iterate...";
2501	}	3468	}
2502		3469
2503	++$RELOAD;	3470	++$RELOAD;
…		…
2507	%EXT_CORO = ();	3474	%EXT_CORO = ();
2508		3475
2509	warn "removing commands";	3476	warn "removing commands";
2510	%COMMAND = ();	3477	%COMMAND = ();
2511		3478
2512	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2514		3482
2515	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2518		3486
…		…
2548	Symbol::delete_package "safe::$_"	3516	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3518
2551	warn "unloading cf.pm \"a bit\"";	3519	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3520	delete $INC{"cf.pm"};
		3521	delete $INC{"cf/pod.pm"};
2553		3522
2554	# don't, removes xs symbols, too,	3523	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3524	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3525	#Symbol::delete_package __PACKAGE__;
2557		3526
…		…
2560	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2561	require cf;	3530	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3532
2564	warn "loading config and database again";	3533	warn "loading config and database again";
2565	cf::cfg_load;	3534	cf::reload_config;
2566		3535
2567	warn "loading extensions";	3536	warn "loading extensions";
2568	cf::load_extensions;	3537	cf::load_extensions;
2569		3538
2570	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3541	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3542	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3543	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3544	reattach $_ for values %PLAYER;
2576		3545
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3546	warn "leaving sync_job";
2581		3547
2582	1	3548	1
2583	} or do {	3549	} or do {
2584	warn $@;	3550	warn $@;
…		…
2589	warn "reloaded";	3555	warn "reloaded";
2590	};	3556	};
2591		3557
2592	our $RELOAD_WATCHER; # used only during reload	3558	our $RELOAD_WATCHER; # used only during reload
2593		3559
		3560	sub reload_perl() {
		3561	# doing reload synchronously and two reloads happen back-to-back,
		3562	# coro crashes during coro_state_free->destroy here.
		3563
		3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3565	undef $RELOAD_WATCHER;
		3566	do_reload_perl;
		3567	};
		3568	}
		3569
2594	register_command "reload" => sub {	3570	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2596		3572
2597	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
2599		3575	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3576	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3577	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3578	};
2612	}	3579	}
2613	};	3580	};
2614		3581
2615	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2616		3583
2617	my $bug_warning = 0;	3584	my $bug_warning = 0;
2618		3585
2619	$TICK_WATCHER = Event->timer (	3586	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3587	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3588
2622	prio => 0,	3589	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3590	return unless $TICK_WATCHER->is_active;
2624	data => WF_AUTOCANCEL,	3591	return if $Coro::current == $Coro::main;
2625	cb => sub {	3592
		3593	my $signal = new Coro::Signal;
		3594	push @WAIT_FOR_TICK, $signal;
		3595	$signal->wait;
		3596	}
		3597
		3598	sub wait_for_tick_begin {
		3599	return unless $TICK_WATCHER->is_active;
		3600	return if $Coro::current == $Coro::main;
		3601
		3602	my $signal = new Coro::Signal;
		3603	push @WAIT_FOR_TICK_BEGIN, $signal;
		3604	$signal->wait;
		3605	}
		3606
		3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2626	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2629	return;	3611	return;
2630	}	3612	}
2631		3613
2632	$NOW = Event::time;	3614	$NOW = $tick_start = EV::now;
2633		3615
2634	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
		3617
2635	$RUNTIME += $TICK;	3618	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3619	$NEXT_TICK = $_[0]->at;
2637		3620
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3623	Coro::async_pool {
		3624	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3625	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3626	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3627	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3628	}
2658	);	3629
		3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3631	$sig->send;
		3632	}
		3633	while (my $sig = shift @WAIT_FOR_TICK) {
		3634	$sig->send;
		3635	}
		3636
		3637	$LOAD = ($NOW - $tick_start) / $TICK;
		3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3639
		3640	_post_tick;
		3641	};
		3642	$TICK_WATCHER->priority (EV::MAXPRI);
2659		3643
2660	{	3644	{
2661	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3646
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2671		3648	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3650
2687	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3657
2690	cf::sync_job {	3658	cf::sync_job {
2691	eval {	3659	eval {
2692	BDB::db_env_open	3660	BDB::db_env_open
2693	$DB_ENV,	3661	$DB_ENV,
2694	$BDB_ENV_DIR,	3662	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3665	0666;
2698		3666
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3668	};
2704		3669
2705	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3671	};
2707	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
2708	}	3683	}
2709		3684
2710	{	3685	{
		3686	# configure IO::AIO
		3687
2711	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3691	}
		3692
		3693	my $_log_backtrace;
		3694
		3695	sub _log_backtrace {
		3696	my ($msg, @addr) = @_;
		3697
		3698	$msg =~ s/\n//;
		3699
		3700	# limit the # of concurrent backtraces
		3701	if ($_log_backtrace < 2) {
		3702	++$_log_backtrace;
		3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
		3706	my @bt = fork_call {
		3707	@addr = map { sprintf "%x", $_ } @addr;
		3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3710	or die "addr2line: $!";
		3711
		3712	my @funcs;
		3713	my @res = <$fh>;
		3714	chomp for @res;
		3715	while (@res) {
		3716	my ($func, $line) = splice @res, 0, 2, ();
		3717	push @funcs, "[$func] $line";
		3718	}
		3719
		3720	@funcs
		3721	};
		3722
		3723	LOG llevInfo, "[ABT] $msg\n";
		3724	LOG llevInfo, "[ABT] $_\n" for @bt;
		3725	--$_log_backtrace;
		3726	};
		3727	} else {
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] [suppressed]\n";
		3730	}
		3731	}
		3732
		3733	# load additional modules
		3734	use cf::pod;
2724		3735
2725	END { cf::emergency_save }	3736	END { cf::emergency_save }
2726		3737
2727	1	3738	1
2728		3739

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