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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 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;
		24	use Coro::Storable;
		25	use Coro::Util ();
21		26
		27	use JSON::XS 2.01 ();
22	use BDB ();	28	use BDB ();
23	use Data::Dumper;	29	use Data::Dumper;
24	use Digest::MD5;	30	use Digest::MD5;
25	use Fcntl;	31	use Fcntl;
26	use YAML::Syck ();	32	use YAML::Syck ();
27	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
28	use Time::HiRes;	34	use Time::HiRes;
29	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
30		37
31	# configure various modules to our taste	38	# configure various modules to our taste
32	#	39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		43
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
40		46
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		48
…		…
45	our %COMMAND = ();	51	our %COMMAND = ();
46	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
47		53
48	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
52		59
53	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
54	our @EVENT;	61	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		62
57	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		82
65	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	87	our $DB_ENV;
67		88
68	our %CFG;	89	our %CFG;
69		90
70	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	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
119	every server tick.	136	every server tick.
120		137
121	=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
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	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
142	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
143	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.
144	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.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		206
169	# 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
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
177	)) {	215	)) {
178	no strict 'refs';	216	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$EV::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$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;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
220		258
221	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]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	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
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($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#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		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	$sig->wait;
		412	}
		413
275	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
276		415
277	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
282		421
283	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
284		423
285	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
286		425
287	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
290		430
291	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
294	fast or be very important.	434	fast or be very important.
…		…
297		437
298	sub sync_job(&) {	438	sub sync_job(&) {
299	my ($job) = @_;	439	my ($job) = @_;
300		440
301	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
302	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
304		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
305	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	450	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
308		452
309	my $busy = 1;	453	my $busy = 1;
310	my @res;	454	my @res;
311		455
312	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	458	@res = eval { $job->() };
314	warn $@ if $@;	459	warn $@ if $@;
315	undef $busy;	460	undef $busy;
316	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
317		462
318	while ($busy) {	463	while ($busy) {
319	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
320	}	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
321		477
322	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
323	} else {	479	} else {
324	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
325		481
…		…
345	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
346		502
347	$coro	503	$coro
348	}	504	}
349		505
350	sub write_runtime {	506	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		507
353	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.
354		512
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	=cut
356	or return;
357		514
358	my $value = $cf::RUNTIME + 90 + 10;	515	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	516	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		517
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	518	# we seemingly have to make a local copy of the whole thing,
363	and return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
364		521
365	# always fsync - this file is important	522	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	523	reset_signals;
367	and return;	524	&$cb
		525	}, @args;
368		526
369	close $fh	527	wantarray ? @res : $res[-1]
370	or return;	528	}
371		529
372	aio_rename "$runtime~", $runtime	530	=item $value = cf::db_get $family => $key
373	and return;
374		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($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
375	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		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"
376	}	655	}
377		656
378	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
379		658
380	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.
…		…
398	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")
399	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
400		679
401	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>
402	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
403	crossfire+).	682	Deliantra).
404		683
405	=over 4	684	=over 4
406		685
407	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
408		687
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
572		851
573	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		856
578	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	858	my $pkg = shift @arg;
580		859
581	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
611	}	890	}
612		891
613	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
614	} else {	893	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	895	}
617		896
618	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
619	}	898	}
620		899
…		…
622	if (ref $_[0]) {	901	if (ref $_[0]) {
623	_object_attach @_;	902	_object_attach @_;
624	} else {	903	} else {
625	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
626	}	905	}
		906	_recalc_want;
627	};	907	};
628		908
629	# all those should be optimised	909	# all those should be optimised
630	sub cf::attachable::detach {	910	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
635	reattach ($obj);	915	reattach ($obj);
636	} else {	916	} else {
637	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
638	}	918	}
		919	_recalc_want;
639	};	920	};
640		921
641	sub cf::attachable::attached {	922	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
643		924
…		…
658	";	939	";
659	die if $@;	940	die if $@;
660	}	941	}
661		942
662	our $override;	943	our $override;
663	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?
664		945
665	sub override {	946	sub override {
666	$override = 1;	947	$override = 1;
667	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
668	}	949	}
669		950
670	sub do_invoke {	951	sub do_invoke {
671	my $event = shift;	952	my $event = shift;
672	my $callbacks = shift;	953	my $callbacks = shift;
673		954
674	@invoke_results = ();	955	@INVOKE_RESULTS = ();
675		956
676	local $override;	957	local $override;
677		958
678	for (@$callbacks) {	959	for (@$callbacks) {
679	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
688	}	969	}
689		970
690	0	971	0
691	}	972	}
692		973
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		975
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		977
697	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
698		979
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		983
703	=back	984	=back
704		985
705	=cut	986	=cut
706		987
707	#############################################################################	988	#############################################################################
708	# 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, $ob2
		1031	}
709		1032
710	sub reattach {	1033	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1035	my ($obj) = @_;
713		1036
…		…
734	cf::attachable->attach (	1057	cf::attachable->attach (
735	prio => -1000000,	1058	prio => -1000000,
736	on_instantiate => sub {	1059	on_instantiate => sub {
737	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
738		1061
739	$data = from_json $data;	1062	$data = decode_json $data;
740		1063
741	for (@$data) {	1064	for (@$data) {
742	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
743		1066
744	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1083	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
762		1085
763	sync_job {	1086	sync_job {
764	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
767		1091
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1096	close $fh;
773		1097
774	if (@$objs) {	1098	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1104	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
782	}	1106	}
…		…
790	}	1114	}
791	} else {	1115	} else {
792	aio_unlink $filename;	1116	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
794	}	1118	}
795	}	1119	};
796	}	1120	}
797		1121
798	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
800		1124
…		…
812	or return;	1136	or return;
813		1137
814	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
816	or return;	1140	or return;
		1141
817	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
818	}	1144	}
819		1145
		1146	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
822	return ($data, $av);	1150	($data, $av)
823	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
824		1158
825	#############################################################################	1159	#############################################################################
826	# command handling &c	1160	# command handling &c
827		1161
828	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1176	}
843		1177
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1179
846	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.
847		1185
848	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
849	called.	1187	called.
850		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
851	=cut	1200	=cut
852		1201
853	sub register_extcmd {	1202	sub register_extcmd {
854	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
855		1204
856	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
857	}	1212	}
858		1213
859	cf::player->attach (	1214	cf::player->attach (
860	on_command => sub {	1215	on_command => sub {
861	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1225	cf::override;
871	},	1226	},
872	on_extcmd => sub {	1227	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
874		1229
875	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1231
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
883	} else {	1247	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1249	}
886		1250
887	cf::override;	1251	cf::override;
888	},	1252	},
889	);	1253	);
890		1254
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
926	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1260	next unless -r $path;
928	eval {	1261
929	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	$progress = 1;
930	1	1319	}
931	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
932	}	1325	};
933	}	1326	}
934		1327
935	#############################################################################	1328	#############################################################################
936		1329
		1330	=back
		1331
937	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
938		1333
939	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
940		1335
941	=cut	1336	=cut
…		…
946		1341
947	=head3 cf::player	1342	=head3 cf::player
948		1343
949	=over 4	1344	=over 4
950		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
951	=item cf::player::find $login	1360	=item cf::player::find $login
952		1361
953	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
954		1363
955	=cut	1364	=cut
956		1365
957	sub playerdir($) {	1366	sub playerdir($) {
958	cf::localdir	1367	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1369	}
964		1370
965	sub path($) {	1371	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1373
968	(playerdir $login) . "/$login.pl"	1374	(playerdir $login) . "/playerdata"
969	}	1375	}
970		1376
971	sub find_active($) {	1377	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1378	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1379	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1392	my $login = $_[0];
987		1393
988	my $guard = cf::lock_acquire "user_find:$login";	1394	my $guard = cf::lock_acquire "user_find:$login";
989		1395
990	$cf::PLAYER{$_[0]} || do {	1396	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1397	# rename old playerfiles to new ones
		1398	#TODO: remove when no longer required
		1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1402	aio_unlink +(playerdir $login) . "/$login.pl";
		1403
		1404	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
994	}	1412	}
995	}	1413	}
996	}	1414	}
997		1415
…		…
1007		1425
1008	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1010		1428
1011	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1012	Coro::cede;	1430	cf::cede_to_tick;
1013	}	1431	}
1014		1432
1015	sub new($) {	1433	sub new($) {
1016	my ($login) = @_;	1434	my ($login) = @_;
1017		1435
…		…
1021	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1022		1440
1023	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1024		1442
1025	$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 (@_);
1026	}	1454	}
1027		1455
1028	=item $pl->quit_character	1456	=item $pl->quit_character
1029		1457
1030	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
…		…
1079	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1080		1508
1081	=cut	1509	=cut
1082		1510
1083	sub list_logins {	1511	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1513	or return [];
1086		1514
1087	my @logins;	1515	my @logins;
1088		1516
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1093		1526
1094	utf8::decode $login;	1527	utf8::decode $login;
1095	push @logins, $login;	1528	push @logins, $login;
1096	}	1529	}
1097		1530
…		…
1124	}	1557	}
1125		1558
1126	\@paths	1559	\@paths
1127	}	1560	}
1128		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
1129	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1130		1656
1131	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1132		1658
1133	=cut	1659	=cut
1134		1660
1135	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1137		1663
1138	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1665	}
1142		1666
1143	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1144		1668
1145	Sends an ext event to the client.	1669	Sends an ext event to the client.
1146		1670
1147	=cut	1671	=cut
1148		1672
1149	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1151		1675
1152	delete $msg{msgid};	1676	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1677	}
1158		1678
1159	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	$match
		1706	}
1160		1707
1161	=back	1708	=back
1162
1163		1709
1164	=head3 cf::map	1710	=head3 cf::map
1165		1711
1166	=over 4	1712	=over 4
1167		1713
…		…
1222	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1223		1769
1224	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1225	local $self->{path};	1771	local $self->{path};
1226	local $self->{load_path};	1772	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1773
1230	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1231	}	1775	}
1232		1776
1233	sub normalise {	1777	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1281	return $self;	1825	return $self;
1282	}	1826	}
1283	}	1827	}
1284		1828
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1830	()
1287	}	1831	}
1288		1832
1289	sub init {	1833	sub init {
1290	my ($self) = @_;	1834	my ($self) = @_;
…		…
1305		1849
1306	# the original (read-only) location	1850	# the original (read-only) location
1307	sub load_path {	1851	sub load_path {
1308	my ($self) = @_;	1852	my ($self) = @_;
1309		1853
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1311	}	1855	}
1312		1856
1313	# the temporary/swap location	1857	# the temporary/swap location
1314	sub save_path {	1858	sub save_path {
1315	my ($self) = @_;	1859	my ($self) = @_;
1316		1860
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1862	"$TMPDIR/$path.map"
1319	}	1863	}
1320		1864
1321	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1322	sub uniq_path {	1866	sub uniq_path {
1323	my ($self) = @_;	1867	my ($self) = @_;
1324		1868
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1870	"$UNIQUEDIR/$path"
1327	}	1871	}
1328		1872
1329	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1330	# all maps in C++...	1874	# all maps in C++...
1331	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1333		1877
1334	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1336	}	1880	}
1337		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1338	sub unlink_save {	1890	sub unlink_save {
1339	my ($self) = @_;	1891	my ($self) = @_;
1340		1892
1341	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1345		1897
1346	sub load_header_from($) {	1898	sub load_header_from($) {
1347	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1348		1900
1349	utf8::encode $path;	1901	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	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;
1355		1910
1356	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1357		1912
1358	1	1913	1
1359	}	1914	}
…		…
1398	$self->load_header_orig	1953	$self->load_header_orig
1399	or return;	1954	or return;
1400	$self->prepare_orig;	1955	$self->prepare_orig;
1401	}	1956	}
1402		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 $self->default_region;
		1963
1403	1	1964	1
1404	}	1965	}
1405		1966
1406	sub find;	1967	sub find;
1407	sub find {	1968	sub find {
1408	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1409		1970
1410	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1411		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1413		1975
1414	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1415	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
1416	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1417	or return;	1981	or return;
1418		1982
1419	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1420		1984
1421	$map->load_header	1985	$map->load_header
1422	or return;	1986	or return;
1423		1987
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1427	$map->reset;	1993	$map->reset;
1428	undef $guard;
1429	return find $path;	1994	return find $path;
1430	}	1995	}
1431		1996
1432	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1433	}	1998	}
…		…
1440	my ($self) = @_;	2005	my ($self) = @_;
1441		2006
1442	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1443		2008
1444	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1446		2013
		2014	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2016
1449	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1450		2018
1451	$self->alloc;	2019	$self->alloc;
1452		2020
1453	$self->pre_load;	2021	$self->pre_load;
		2022	cf::cede_to_tick;
1454		2023
1455	$self->_load_objects ($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)
1456	or return;	2027	or return;
1457		2028
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459	if delete $self->{load_original};	2030	if delete $self->{load_original};
1460		2031
1461	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2033	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2036	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1466	}	2040	}
1467	}	2041	}
1468		2042
1469	Coro::cede;	2043	$f->resolve_delayed_derefs;
1470		2044
		2045	cf::cede_to_tick;
1471	# now do the right thing for maps	2046	# now do the right thing for maps
1472	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2049	unless $self->difficulty;
1482	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($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;
1483	$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);
1484	}	2066	}
1485		2067
1486	$self->post_load;	2068	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2069	}
1490		2070
1491	sub customise_for {	2071	sub customise_for {
1492	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1493		2073
1494	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2075	if $self->per_player;
1496		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1497	$self	2080	$self
1498	}	2081	}
1499		2082
1500	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2084	sub load_neighbours {
1502	my ($map) = @_;	2085	my ($map) = @_;
1503		2086
1504	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1505		2088
1506	for (0 .. 3) {	2089	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1508	or next;	2091	or next;
1509	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1510	or next;	2093	or next;
1511	$neigh->load;	2094	$neigh->load;
1512		2095
		2096	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2099	}
1516		2100
1517	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1519	or next;	2104	or next;
1520	$neigh->load;	2105	$neigh->load;
1521	}	2106	}
1522	}	2107	}
1523		2108
…		…
1528	}	2113	}
1529		2114
1530	sub do_load_sync {	2115	sub do_load_sync {
1531	my ($map) = @_;	2116	my ($map) = @_;
1532		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1533	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1534	}	2122	}
1535		2123
1536	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1538		2126
1539	sub find_async {	2127	sub find_async {
1540	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1541		2129
1542	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1543		2131
1544	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1546	}	2134	}
1547		2135
1548	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1549	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1550	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2143	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2144	$map->load if $v;
		2145	}
1555		2146
1556	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1557	}	2148	}
1558	}	2149	}
1559	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1560	};	2151	};
1561	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2155	}
1565		2156
1566	sub save {	2157	sub save {
1567	my ($self) = @_;	2158	my ($self) = @_;
1568		2159
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2161
1571	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1572		2163
1573	return unless $self->dirty;	2164	return unless $self->dirty;
1574		2165
…		…
1580	return if $self->{deny_save};	2171	return if $self->{deny_save};
1581		2172
1582	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1583		2174
1584	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1586	};	2178	};
1587		2179
1588	if ($uniq) {	2180	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1597	my ($self) = @_;	2189	my ($self) = @_;
1598		2190
1599	# save first because save cedes	2191	# save first because save cedes
1600	$self->save;	2192	$self->save;
1601		2193
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2195
1604	return if $self->players;	2196	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};	2198	return if $self->{deny_save};
1607		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2204	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2205	}
1611		2206
1612	sub reset_at {	2207	sub reset_at {
1613	my ($self) = @_;	2208	my ($self) = @_;
1614		2209
1615	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1618		2212
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2215
…		…
1632	my ($self) = @_;	2226	my ($self) = @_;
1633		2227
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2229
1636	return if $self->players;	2230	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2231
1639	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1640		2233
1641	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1642		2235
1643	# need to save uniques path	2236	# need to save uniques path
1644	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2241	if $uniq;
1649	}	2242	}
1650		2243
1651	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1652		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2248	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2249
1657	$self->unlink_save;	2250	$self->unlink_save;
1658	$self->destroy;	2251	$self->destroy;
1659	}	2252	}
1660		2253
1661	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1662		2255
1663	sub nuke {	2256	sub nuke {
1664	my ($self) = @_;	2257	my ($self) = @_;
1665		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1666	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1667		2263
1668	$self->unlink_save;	2264	$self->unlink_save;
1669		2265
1670	bless $self, "cf::map";	2266	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2271
1676	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1677		2274
1678	$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	]
1679	}	2312	}
1680		2313
1681	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1682		2315
1683	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2317	instantiated unique items. May block.
1685		2318
1686	=cut	2319	=cut
1687		2320
1688	sub unique_maps() {	2321	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1690	or return;	2323	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2324	utf8::decode $_;
1696	next if /\.pst$/;	2325	/\.map$/
1697	next unless /^$PATH_SEP/o;	2326	? normalise $_
1698		2327	: ()
1699	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2329	]
1701
1702	\@paths
1703	}	2330	}
1704		2331
1705	package cf;	2332	package cf;
1706		2333
1707	=back	2334	=back
…		…
1725	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1726	}	2353	}
1727		2354
1728	sub inv_recursive {	2355	sub inv_recursive {
1729	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	}
1730	}	2385	}
1731		2386
1732	package cf;	2387	package cf;
1733		2388
1734	=back	2389	=back
…		…
1753		2408
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2410
1756	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1758	} 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 {
1759	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1761	}	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 (@_);
1762	}	2436	}
1763		2437
1764	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1765		2439
1766	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1813	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1814		2488
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2490
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1819		2493
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2495	}
1822		2496
1823	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1825		2501
1826	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1827		2503
1828	unless ($map) {	2504	unless ($map) {
1829	# restore original map position	2505	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1846		2522
1847	$map->load;	2523	$map->load;
1848	$map->load_diag;	2524	$map->load_neighbours;
1849		2525
1850	return unless $self->contr->active;	2526	return unless $self->contr->active;
1851	$self->activate_recursive;	2527	$self->activate_recursive;
1852		2528
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1855	}	2531	}
1856		2532
1857	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2534
1861	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1865	};	2539	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2540
1871	# try to abort aborted map switching on player login :)
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1892		2544
1893	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1894	my ($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;
1895		2550
1896	$self->enter_link;	2551	$self->enter_link;
1897		2552
1898	(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
1899	my $map = eval {	2575	my $map = eval {
1900	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1901	$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
1902	$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 $@;
1903	} or	2591	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1907	})->prio (1);	2599	})->prio (1);
1908	}	2600	}
1909		2601
1910	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1911		2603
…		…
1948	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1949	}	2641	}
1950		2642
1951	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1952		2644
1953	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1954	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
1956		2648
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2651	undef $fh;
1960	aio_rename "$meta~", $meta;	2652	aio_rename "$meta~", $meta;
…		…
1969		2661
1970	return unless $self->type == cf::PLAYER;	2662	return unless $self->type == cf::PLAYER;
1971		2663
1972	if ($exit->slaying eq "/!") {	2664	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job	2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2666	# the problem is that $exit might not survive long enough
		2667	# so it needs to be done right now, right here
1974	cf::sync_job { prepare_random_map $exit };	2668	cf::sync_job { prepare_random_map $exit };
1975	}	2669	}
1976		2670
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
1980		2674
1981	$self->enter_link;	2675	$self->enter_link;
1982		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
1983	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
1984	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
1985	unless (eval {	2685	unless (eval {
1986	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
1987		2687
1988	1;	2688	1;
1989	}) {	2689	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2690	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2691	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2692	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2693	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2694
1995	warn "ERROR in enter_exit: $@";	2695	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2696	$self->leave_link;
1997	}	2697	}
1998	})->prio (1);	2698	})->prio (1);
…		…
2014		2714
2015	utf8::encode $text;	2715	utf8::encode $text;
2016	$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);
2017	}	2717	}
2018		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
		2843	=item $client->ext_msg ($type, @msg)
		2844
		2845	Sends an ext event to the client.
		2846
		2847	=cut
		2848
		2849	sub cf::client::ext_msg($$@) {
		2850	my ($self, $type, @msg) = @_;
		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
		2855	push @msg, msgtype => "event_$type";
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		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	}
		2876	}
2019		2877
2020	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2021		2879
2022	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2023	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>,
2024	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>.
2025		2883
2026	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
2027	reliable at some point in the future.	2885	become reliable at some point in the future.
2028		2886
2029	=cut	2887	=cut
2030		2888
2031	sub cf::client::query {	2889	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2898	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2900
2043	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2045	}	2905	}
2046		2906
2047	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2048	on_reply => sub {	2913	on_reply => sub {
2049	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2050		2915
2051	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2052	# get handled first	2917	# get handled first
…		…
2064	} else {	2929	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	2931	}
2067	}	2932	}
2068	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($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	},
2069	);	2960	);
2070		2961
2071	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2072		2963
2073	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2116		3007
2117	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2118		3009
2119	$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	));
2120		3015
2121	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2122		3017
2123	=pod	3018	=pod
2124		3019
2125	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2126		3021
2127	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
2128	cf::object::player player	3026	cf::object::player
2129	cf::player peaceful	3027	player
2130	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2131		3034
2132	=cut	3035	=cut
2133		3036
2134	for (	3037	for (
2135	["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)],
2136	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2139	) {	3044	) {
2140	no strict 'refs';	3045	no strict 'refs';
…		…
2211	=back	3116	=back
2212		3117
2213	=cut	3118	=cut
2214		3119
2215	#############################################################################	3120	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	3121	# the server's init and main functions
2289		3122
2290	sub load_facedata {	3123	sub load_facedata($) {
2291	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;
2292		3131
2293	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2294		3133
2295	my $faces;	3134	my $facedata;
2296	0 < aio_load $path, $faces	3135	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3136	or die "$path: $!";
2298		3137
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3138	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3139
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3140	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		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
		3150	{
		3151	my $faces = $facedata->{faceinfo};
		3152
2307	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3155
		3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3160
		3161	cf::cede_to_tick;
		3162	}
		3163
2315	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2317	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2318	or next;	3168	or next;
		3169
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3171	cf::face::set_smooth $idx, $smooth;
		3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3173	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3175	}
2324	Coro::cede;	3176
		3177	cf::cede_to_tick;
		3178	}
		3179	}
		3180
2325	}	3181	{
		3182	my $anims = $facedata->{animinfo};
		3183
		3184	while (my ($anim, $info) = each %$anims) {
		3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3186	cf::cede_to_tick;
		3187	}
		3188
		3189	cf::anim::invalidate_all; # d'oh
		3190	}
		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);
2326		3226
2327	1	3227	1
2328	}	3228	}
2329		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
2330	sub reload_resources {	3292	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3293	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3294
		3295	reload_regions;
2333	load_facedata	3296	reload_facedata;
2334	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";
2335	}	3302	}
2336		3303
2337	sub init {	3304	sub init {
2338	reload_resources;	3305	reload_resources;
2339	}	3306	}
2340		3307
2341	sub cfg_load {	3308	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3310	or return;
2344		3311
2345	local $/;	3312	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
2347		3314
…		…
2362	sub main {	3329	sub main {
2363	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2365	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#
2366	(async {	3333	(async {
2367	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2369	};	3337	};
2370		3338
2371	cfg_load;	3339	reload_config;
2372	db_init;	3340	db_init;
2373	load_extensions;	3341	load_extensions;
2374		3342
2375	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2376	Event::loop;	3345	EV::loop;
2377	}	3346	}
2378		3347
2379	#############################################################################	3348	#############################################################################
2380	# initialisation and cleanup	3349	# initialisation and cleanup
2381		3350
2382	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2383	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2392	},
2393	);	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
2394	}	3396	1
2395	}	3397	}
2396		3398
2397	sub emergency_save() {	3399	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2399		3401
…		…
2405	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2407	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3413	$pl->save;
2411	}	3414	}
2412	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2413		3416
2414	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2432		3435
2433	warn Carp::longmess "post_cleanup backtrace"	3436	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3437	if $make_core;
2435	}	3438	}
2436		3439
2437	sub reload() {	3440	sub do_reload_perl() {
2438	# can/must only be called in main	3441	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3442	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3443	warn "can only reload from main coroutine";
2441	return;	3444	return;
2442	}	3445	}
…		…
2453	warn "syncing database to disk";	3456	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2455		3458
2456	# 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
2457		3460
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2464	for (;;) {	3462	for (;;) {
2465	BDB::flush;	3463	BDB::flush;
2466	IO::AIO::flush;	3464	IO::AIO::flush;
2467	Coro::cede;	3465	Coro::cede_notself;
2468	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";	3467	warn "iterate...";
2470	}	3468	}
2471		3469
2472	++$RELOAD;	3470	++$RELOAD;
…		…
2476	%EXT_CORO = ();	3474	%EXT_CORO = ();
2477		3475
2478	warn "removing commands";	3476	warn "removing commands";
2479	%COMMAND = ();	3477	%COMMAND = ();
2480		3478
2481	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2482	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2483		3482
2484	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2487		3486
…		…
2517	Symbol::delete_package "safe::$_"	3516	Symbol::delete_package "safe::$_"
2518	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);
2519		3518
2520	warn "unloading cf.pm \"a bit\"";	3519	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3520	delete $INC{"cf.pm"};
		3521	delete $INC{"cf/pod.pm"};
2522		3522
2523	# don't, removes xs symbols, too,	3523	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3524	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3525	#Symbol::delete_package __PACKAGE__;
2526		3526
…		…
2529	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2530	require cf;	3530	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3532
2533	warn "loading config and database again";	3533	warn "loading config and database again";
2534	cf::cfg_load;	3534	cf::reload_config;
2535		3535
2536	warn "loading extensions";	3536	warn "loading extensions";
2537	cf::load_extensions;	3537	cf::load_extensions;
2538		3538
2539	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
…		…
2541	warn "reattaching attachments to maps";	3541	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3542	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3543	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3544	reattach $_ for values %PLAYER;
2545		3545
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	3546	warn "leaving sync_job";
2550		3547
2551	1	3548	1
2552	} or do {	3549	} or do {
2553	warn $@;	3550	warn $@;
…		…
2558	warn "reloaded";	3555	warn "reloaded";
2559	};	3556	};
2560		3557
2561	our $RELOAD_WATCHER; # used only during reload	3558	our $RELOAD_WATCHER; # used only during reload
2562		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 $RELOAD_WATCHER;
		3566	do_reload_perl;
		3567	};
		3568	}
		3569
2563	register_command "reload" => sub {	3570	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2565		3572
2566	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
2568		3575	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3576	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3577	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3578	};
2581	}	3579	}
2582	};	3580	};
2583		3581
2584	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2585		3583
2586	my $bug_warning = 0;	3584	my $bug_warning = 0;
2587		3585
2588	$TICK_WATCHER = Event->timer (	3586	our @WAIT_FOR_TICK;
2589	reentrant => 0,	3587	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	3588
2591	prio => 0,	3589	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	3590	return unless $TICK_WATCHER->is_active;
2593	data => WF_AUTOCANCEL,	3591	return if $Coro::current == $Coro::main;
2594	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, $TICK, 0, sub {
2595	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2598	return;	3611	return;
2599	}	3612	}
2600		3613
2601	$NOW = Event::time;	3614	$NOW = $tick_start = EV::now;
2602		3615
2603	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
		3617
2604	$RUNTIME += $TICK;	3618	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;	3619	$NEXT_TICK = $_[0]->at;
2606		3620
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	3623	Coro::async_pool {
		3624	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	3625	write_runtime
2611	or warn "ERROR: unable to write runtime file: $!";	3626	or warn "ERROR: unable to write runtime file: $!";
2612	};
2613	}	3627	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	3628	}
2627	);	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);
2628		3643
2629	{	3644	{
2630	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	3646
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2640		3648	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		3650
2656	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2657	$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);
2658		3657
2659	cf::sync_job {	3658	cf::sync_job {
2660	eval {	3659	eval {
2661	BDB::db_env_open	3660	BDB::db_env_open
2662	$DB_ENV,	3661	$DB_ENV,
2663	$BDB_ENV_DIR,	3662	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3665	0666;
2667		3666
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	3668	};
2673		3669
2674	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3671	};
2676	}	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	};
2677	}	3683	}
2678		3684
2679	{	3685	{
		3686	# configure IO::AIO
		3687
2680	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	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;
2693		3735
2694	END { cf::emergency_save }	3736	END { cf::emergency_save }
2695		3737
2696	1	3738	1
2697		3739

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