ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.1 ();
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::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS 2.01 ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
33	$Event::Eval = 1; # no idea why this is required, but it is
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		42
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
39		45
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
42	our %COMMAND = ();	50	our %COMMAND = ();
43	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
44		52
45	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
49		58
50	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
51	our @EVENT;	60	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		61
54	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $TICK_WATCHER;	75	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	78	our $NEXT_TICK;
59	our $NOW;	79	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		81
62	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	86	our $DB_ENV;
64		87
65	our %CFG;	88	our %CFG;
66		89
67	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	91	our $RUNTIME;
69		92
70	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		96
79	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
		103
82	binmode STDOUT;	104	binmode STDOUT;
83	binmode STDERR;	105	binmode STDERR;
84		106
85	# read virtual server time, if available	107	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
90	}	112	}
91		113
92	mkdir cf::localdir;	114	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		116
99	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
100		118
101	sub cf::map::normalise;	119	sub cf::map::normalise;
102		120
…		…
113	=item $cf::RUNTIME	131	=item $cf::RUNTIME
114		132
115	The time this server has run, starts at 0 and is increased by $cf::TICK on	133	The time this server has run, starts at 0 and is increased by $cf::TICK on
116	every server tick.	134	every server tick.
117		135
118	=item $cf::LIBDIR	136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		139
120	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		142	unique-items directory, player file directory, random maps directory and
		143	database environment.
122		144
123	=item $cf::NOW	145	=item $cf::NOW
124		146
125	The time of the last (current) server tick.	147	The time of the last (current) server tick.
126		148
127	=item $cf::TICK	149	=item $cf::TICK
128		150
129	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
130		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
131	=item %cf::CFG	163	=item %cf::CFG
132		164
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	166	from wherever your confdir points to.
135		167
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		169
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	171	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
142		179
143	=back	180	=back
144		181
145	=cut	182	=cut
146		183
147	BEGIN {	184	BEGIN {
148	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	186	my $msg = join "", @_;
150	utf8::encode $msg;
151		187
152	$msg .= "\n"	188	$msg .= "\n"
153	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
154		192
155	LOG llevError, $msg;	193	LOG llevError, $msg;
156	};	194	};
157	}	195	}
158		196
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		204
166	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	206	# within the Safe compartment.
168	for my $pkg (qw(	207	for my $pkg (qw(
169	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	)) {	213	)) {
175	no strict 'refs';	214	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	216	}
178		217
179	$Event::DIED = sub {	218	$EV::DIED = sub {
180	warn "error in event callback: @_";	219	warn "error in event callback: @_";
181	};	220	};
		221
		222	#############################################################################
182		223
183	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
184		225
185	=over 4	226	=over 4
186		227
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	247	$d
207	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
208	}	249	}
209		250
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
213		252
214	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
215		254
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
224		256
225	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
226		258
227	=cut	259	=cut
228		260
229	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
231	JSON::Syck::Dump $_[0]	263	sub encode_json($) { $json_coder->encode ($_[0]) }
232	}	264	sub decode_json($) { $json_coder->decode ($_[0]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
240	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
243	returned.	275	returned.
244		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
245	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
247		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
248	=cut	287	=cut
249		288
250	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
251		291
252	sub lock_wait($) {	292	sub lock_wait($) {
253	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
254		299
255	# wait for lock, if any	300	# wait for lock, if any
256	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	303	Coro::schedule;
…		…
264		309
265	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
266	lock_wait $key;	311	lock_wait $key;
267		312
268	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
269		315
270	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
273	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
274	}	327	}
275		328
276	sub freeze_mainloop {	329	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
278		331
…		…
281	};	334	};
282	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
283	$guard	336	$guard
284	}	337	}
285		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
286	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
287		413
288	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
290	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
293		419
294	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
295		421
296	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
297		423
298	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
301		428
302	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
305	fast or be very important.	432	fast or be very important.
…		…
308		435
309	sub sync_job(&) {	436	sub sync_job(&) {
310	my ($job) = @_;	437	my ($job) = @_;
311		438
312	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
313	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
315		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
316	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	448	# (but this is cancel-safe)
318	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
319		450
320	my $busy = 1;	451	my $busy = 1;
321	my @res;	452	my @res;
322		453
323	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	456	@res = eval { $job->() };
325	warn $@ if $@;	457	warn $@ if $@;
326	undef $busy;	458	undef $busy;
327	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
328		460
329	while ($busy) {	461	while ($busy) {
330	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
331	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
332		475
333	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
334	} else {	477	} else {
335	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
336		479
…		…
356	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
357		500
358	$coro	501	$coro
359	}	502	}
360		503
361	sub write_runtime {	504	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		505
364	my $runtime = cf::localdir . "/runtime";	506	Executes the given code block with the given arguments in a seperate
		507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
365		510
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	511	=cut
367	or return;
368		512
369	my $value = $cf::RUNTIME + 90 + 10;	513	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	514	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		515
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	516	# we seemingly have to make a local copy of the whole thing,
374	and return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
375		519
376	# always fsync - this file is important	520	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	521	reset_signals;
378	and return;	522	&$cb
		523	}, @args;
379		524
380	close $fh	525	wantarray ? @res : $res[-1]
381	or return;	526	}
382		527
383	aio_rename "$runtime~", $runtime	528	=item $value = cf::db_get $family => $key
384	and return;
385		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
386	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
		653	}
		654
		655	=item cf::datalog type => key => value, ...
		656
		657	Log a datalog packet of the given type with the given key-value pairs.
		658
		659	=cut
		660
		661	sub datalog($@) {
		662	my ($type, %kv) = @_;
		663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	664	}
388		665
389	=back	666	=back
390		667
391	=cut	668	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
400		677
401	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	680	Deliantra).
404		681
405	=over 4	682	=over 4
406		683
407	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
408		685
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
572		849
573	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		854
578	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	856	my $pkg = shift @arg;
580		857
581	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
611	}	888	}
612		889
613	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
614	} else {	891	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	893	}
617		894
618	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
619	}	896	}
620		897
…		…
622	if (ref $_[0]) {	899	if (ref $_[0]) {
623	_object_attach @_;	900	_object_attach @_;
624	} else {	901	} else {
625	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
626	}	903	}
		904	_recalc_want;
627	};	905	};
628		906
629	# all those should be optimised	907	# all those should be optimised
630	sub cf::attachable::detach {	908	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
635	reattach ($obj);	913	reattach ($obj);
636	} else {	914	} else {
637	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
638	}	916	}
		917	_recalc_want;
639	};	918	};
640		919
641	sub cf::attachable::attached {	920	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
643		922
…		…
658	";	937	";
659	die if $@;	938	die if $@;
660	}	939	}
661		940
662	our $override;	941	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		943
665	sub override {	944	sub override {
666	$override = 1;	945	$override = 1;
667	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
668	}	947	}
669		948
670	sub do_invoke {	949	sub do_invoke {
671	my $event = shift;	950	my $event = shift;
672	my $callbacks = shift;	951	my $callbacks = shift;
673		952
674	@invoke_results = ();	953	@INVOKE_RESULTS = ();
675		954
676	local $override;	955	local $override;
677		956
678	for (@$callbacks) {	957	for (@$callbacks) {
679	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
696		975
697	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
698		977
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		981
703	=back	982	=back
704		983
705	=cut	984	=cut
706		985
707	#############################################################################	986	#############################################################################
708	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
709		1030
710	sub reattach {	1031	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1033	my ($obj) = @_;
713		1034
…		…
734	cf::attachable->attach (	1055	cf::attachable->attach (
735	prio => -1000000,	1056	prio => -1000000,
736	on_instantiate => sub {	1057	on_instantiate => sub {
737	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
738		1059
739	$data = from_json $data;	1060	$data = decode_json $data;
740		1061
741	for (@$data) {	1062	for (@$data) {
742	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
743		1064
744	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1081	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
762		1083
763	sync_job {	1084	sync_job {
764	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
767		1089
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1094	close $fh;
773		1095
774	if (@$objs) {	1096	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1102	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
782	}	1104	}
…		…
790	}	1112	}
791	} else {	1113	} else {
792	aio_unlink $filename;	1114	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
794	}	1116	}
795	}	1117	};
796	}	1118	}
797		1119
798	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
800		1122
…		…
812	or return;	1134	or return;
813		1135
814	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
816	or return;	1138	or return;
		1139
817	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
818	}	1142	}
819		1143
		1144	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
822	return ($data, $av);	1148	($data, $av)
823	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
824		1156
825	#############################################################################	1157	#############################################################################
826	# command handling &c	1158	# command handling &c
827		1159
828	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1174	}
843		1175
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1177
846	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
847		1183
848	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
849	called.	1185	called.
850		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
851	=cut	1198	=cut
852		1199
853	sub register_extcmd {	1200	sub register_extcmd {
854	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
855		1202
856	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
857	}	1210	}
858		1211
859	cf::player->attach (	1212	cf::player->attach (
860	on_command => sub {	1213	on_command => sub {
861	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1223	cf::override;
871	},	1224	},
872	on_extcmd => sub {	1225	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
874		1227
875	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1229
877	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
883	} else {	1245	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1247	}
886		1248
887	cf::override;	1249	cf::override;
888	},	1250	},
889	);	1251	);
890		1252
891	sub load_extension {
892	my ($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 {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
926	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1258	next unless -r $path;
928	eval {	1259
929	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
930	1	1317	}
931	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
932	}	1323	};
933	}	1324	}
934		1325
935	#############################################################################	1326	#############################################################################
936		1327
		1328	=back
		1329
937	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
938		1331
939	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
940		1333
941	=cut	1334	=cut
…		…
946		1339
947	=head3 cf::player	1340	=head3 cf::player
948		1341
949	=over 4	1342	=over 4
950		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
951	=item cf::player::find $login	1358	=item cf::player::find $login
952		1359
953	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
954		1361
955	=cut	1362	=cut
956		1363
957	sub playerdir($) {	1364	sub playerdir($) {
958	cf::localdir	1365	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1367	}
964		1368
965	sub path($) {	1369	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1371
968	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
969	}	1373	}
970		1374
971	sub find_active($) {	1375	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1390	my $login = $_[0];
987		1391
988	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
989		1393
990	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1395	# rename old playerfiles to new ones
		1396	#TODO: remove when no longer required
		1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1400	aio_unlink +(playerdir $login) . "/$login.pl";
		1401
		1402	my $f = new_from_file cf::object::thawer path $login
992	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
994	}	1410	}
995	}	1411	}
996	}	1412	}
997		1413
…		…
1007		1423
1008	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1010		1426
1011	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1012	Coro::cede;	1428	cf::cede_to_tick;
1013	}	1429	}
1014		1430
1015	sub new($) {	1431	sub new($) {
1016	my ($login) = @_;	1432	my ($login) = @_;
1017		1433
…		…
1021	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1022		1438
1023	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1024		1440
1025	$self	1441	$self
		1442	}
		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
1026	}	1452	}
1027		1453
1028	=item $pl->quit_character	1454	=item $pl->quit_character
1029		1455
1030	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1080		1506
1081	=cut	1507	=cut
1082		1508
1083	sub list_logins {	1509	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1511	or return [];
1086		1512
1087	my @logins;	1513	my @logins;
1088		1514
1089	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1093		1524
1094	utf8::decode $login;	1525	utf8::decode $login;
1095	push @logins, $login;	1526	push @logins, $login;
1096	}	1527	}
1097		1528
…		…
1124	}	1555	}
1125		1556
1126	\@paths	1557	\@paths
1127	}	1558	}
1128		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1130		1654
1131	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1132		1656
1133	=cut	1657	=cut
1134		1658
1135	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1137		1661
1138	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1663	}
1142		1664
1143	package cf;	1665	=item $player->ext_msg ($type, @msg)
		1666
		1667	Sends an ext event to the client.
		1668
		1669	=cut
		1670
		1671	sub ext_msg($$@) {
		1672	my ($self, $type, @msg) = @_;
		1673
		1674	$self->ns->ext_msg ($type, @msg);
		1675	}
		1676
		1677	=head3 cf::region
		1678
		1679	=over 4
		1680
		1681	=cut
		1682
		1683	package cf::region;
		1684
		1685	=item cf::region::find_by_path $path
		1686
		1687	Tries to decuce the likely region for a map knowing only its path.
		1688
		1689	=cut
		1690
		1691	sub find_by_path($) {
		1692	my ($path) = @_;
		1693
		1694	my ($match, $specificity);
		1695
		1696	for my $region (list) {
		1697	if ($region->{match} && $path =~ $region->{match}) {
		1698	($match, $specificity) = ($region, $region->specificity)
		1699	if $region->specificity > $specificity;
		1700	}
		1701	}
		1702
		1703	$match
		1704	}
1144		1705
1145	=back	1706	=back
1146
1147		1707
1148	=head3 cf::map	1708	=head3 cf::map
1149		1709
1150	=over 4	1710	=over 4
1151		1711
…		…
1206	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1207		1767
1208	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1209	local $self->{path};	1769	local $self->{path};
1210	local $self->{load_path};	1770	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1771
1214	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1215	}	1773	}
1216		1774
1217	sub normalise {	1775	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1265	return $self;	1823	return $self;
1266	}	1824	}
1267	}	1825	}
1268		1826
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1828	()
1271	}	1829	}
1272		1830
1273	sub init {	1831	sub init {
1274	my ($self) = @_;	1832	my ($self) = @_;
…		…
1289		1847
1290	# the original (read-only) location	1848	# the original (read-only) location
1291	sub load_path {	1849	sub load_path {
1292	my ($self) = @_;	1850	my ($self) = @_;
1293		1851
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1295	}	1853	}
1296		1854
1297	# the temporary/swap location	1855	# the temporary/swap location
1298	sub save_path {	1856	sub save_path {
1299	my ($self) = @_;	1857	my ($self) = @_;
1300		1858
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1303	}	1861	}
1304		1862
1305	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1306	sub uniq_path {	1864	sub uniq_path {
1307	my ($self) = @_;	1865	my ($self) = @_;
1308		1866
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1311	}	1869	}
1312		1870
1313	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1314	# all maps in C++...	1872	# all maps in C++...
1315	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1317		1875
1318	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1320	}	1878	}
1321		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1322	sub unlink_save {	1888	sub unlink_save {
1323	my ($self) = @_;	1889	my ($self) = @_;
1324		1890
1325	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1895
1330	sub load_header_from($) {	1896	sub load_header_from($) {
1331	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1332		1898
1333	utf8::encode $path;	1899	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1339		1908
1340	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1341		1910
1342	1	1911	1
1343	}	1912	}
…		…
1382	$self->load_header_orig	1951	$self->load_header_orig
1383	or return;	1952	or return;
1384	$self->prepare_orig;	1953	$self->prepare_orig;
1385	}	1954	}
1386		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
		1959	$self->default_region (cf::region::find_by_path $self->{path})
		1960	unless $self->default_region;
		1961
1387	1	1962	1
1388	}	1963	}
1389		1964
1390	sub find;	1965	sub find;
1391	sub find {	1966	sub find {
1392	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1393		1968
1394	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1395		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1397		1973
1398	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1400	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1401	or return;	1979	or return;
1402		1980
1403	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1404		1982
1405	$map->load_header	1983	$map->load_header
1406	or return;	1984	or return;
1407		1985
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1411	$map->reset;	1991	$map->reset;
1412	undef $guard;
1413	return find $path;	1992	return find $path;
1414	}	1993	}
1415		1994
1416	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1417	}	1996	}
…		…
1424	my ($self) = @_;	2003	my ($self) = @_;
1425		2004
1426	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1427		2006
1428	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1430		2011
		2012	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2014
1433	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1434		2016
1435	$self->alloc;	2017	$self->alloc;
1436		2018
1437	$self->pre_load;	2019	$self->pre_load;
		2020	cf::cede_to_tick;
1438		2021
1439	$self->_load_objects ($self->{load_path}, 1)	2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
		2024	$self->_load_objects ($f)
1440	or return;	2025	or return;
1441		2026
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	2028	if delete $self->{load_original};
1444		2029
1445	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2031	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2034	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1450	}	2038	}
1451	}	2039	}
1452		2040
1453	Coro::cede;	2041	$f->resolve_delayed_derefs;
1454		2042
		2043	cf::cede_to_tick;
1455	# now do the right thing for maps	2044	# now do the right thing for maps
1456	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2047	unless $self->difficulty;
1466	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($self->{deny_activate}) {
		2051	$self->decay_objects;
		2052	$self->fix_auto_apply;
		2053	$self->update_buttons;
		2054	cf::cede_to_tick;
		2055	$self->set_darkness_map;
		2056	cf::cede_to_tick;
1467	$self->activate;	2057	$self->activate;
		2058	}
		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
		2062
		2063	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	2064	}
1469		2065
1470	$self->post_load;	2066	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2067	}
1474		2068
1475	sub customise_for {	2069	sub customise_for {
1476	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1477		2071
1478	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2073	if $self->per_player;
1480		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1481	$self	2078	$self
1482	}	2079	}
1483		2080
1484	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2082	sub load_neighbours {
1486	my ($map) = @_;	2083	my ($map) = @_;
1487		2084
1488	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1489		2086
1490	for (0 .. 3) {	2087	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1492	or next;	2089	or next;
1493	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1494	or next;	2091	or next;
1495	$neigh->load;	2092	$neigh->load;
1496		2093
		2094	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2097	}
1500		2098
1501	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1503	or next;	2102	or next;
1504	$neigh->load;	2103	$neigh->load;
1505	}	2104	}
1506	}	2105	}
1507		2106
…		…
1512	}	2111	}
1513		2112
1514	sub do_load_sync {	2113	sub do_load_sync {
1515	my ($map) = @_;	2114	my ($map) = @_;
1516		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1517	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1518	}	2120	}
1519		2121
1520	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1522		2124
1523	sub find_async {	2125	sub find_async {
1524	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1525		2127
1526	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1527		2129
1528	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2132	}
1531		2133
1532	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1533	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1534	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2141	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2142	$map->load if $v;
		2143	}
1539		2144
1540	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1541	}	2146	}
1542	}	2147	}
1543	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1544	};	2149	};
1545	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2153	}
1549		2154
1550	sub save {	2155	sub save {
1551	my ($self) = @_;	2156	my ($self) = @_;
1552		2157
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2159
1555	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1556		2161
1557	return unless $self->dirty;	2162	return unless $self->dirty;
1558		2163
…		…
1564	return if $self->{deny_save};	2169	return if $self->{deny_save};
1565		2170
1566	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1567		2172
1568	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1570	};	2176	};
1571		2177
1572	if ($uniq) {	2178	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1581	my ($self) = @_;	2187	my ($self) = @_;
1582		2188
1583	# save first because save cedes	2189	# save first because save cedes
1584	$self->save;	2190	$self->save;
1585		2191
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2193
1588	return if $self->players;	2194	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2196	return if $self->{deny_save};
1591		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2202	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2203	}
1595		2204
1596	sub reset_at {	2205	sub reset_at {
1597	my ($self) = @_;	2206	my ($self) = @_;
1598		2207
1599	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1602		2210
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2213
…		…
1616	my ($self) = @_;	2224	my ($self) = @_;
1617		2225
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2227
1620	return if $self->players;	2228	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2229
1623	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
1624		2231
1625	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
1626		2233
1627	# need to save uniques path	2234	# need to save uniques path
1628	unless ($self->{deny_save}) {	2235	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2239	if $uniq;
1633	}	2240	}
1634		2241
1635	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1636		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2246	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2247
1641	$self->unlink_save;	2248	$self->unlink_save;
1642	$self->destroy;	2249	$self->destroy;
1643	}	2250	}
1644		2251
1645	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1646		2253
1647	sub nuke {	2254	sub nuke {
1648	my ($self) = @_;	2255	my ($self) = @_;
1649		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1650	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1651		2261
1652	$self->unlink_save;	2262	$self->unlink_save;
1653		2263
1654	bless $self, "cf::map";	2264	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2269
1660	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1661		2272
1662	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1663	}	2310	}
1664		2311
1665	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1666		2313
1667	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2315	instantiated unique items. May block.
1669		2316
1670	=cut	2317	=cut
1671		2318
1672	sub unique_maps() {	2319	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1674	or return;	2321	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2322	utf8::decode $_;
1680	next if /\.pst$/;	2323	/\.map$/
1681	next unless /^$PATH_SEP/o;	2324	? normalise $_
1682		2325	: ()
1683	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2327	]
1685
1686	\@paths
1687	}	2328	}
1688		2329
1689	package cf;	2330	package cf;
1690		2331
1691	=back	2332	=back
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1710	}	2351	}
1711		2352
1712	sub inv_recursive {	2353	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1714	}	2383	}
1715		2384
1716	package cf;	2385	package cf;
1717		2386
1718	=back	2387	=back
…		…
1737		2406
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2408
1740	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1742	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1745	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1746	}	2434	}
1747		2435
1748	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1749		2437
1750	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1798		2486
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2488
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1803		2491
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2493	}
1806		2494
1807	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1809		2499
1810	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1811		2501
1812	unless ($map) {	2502	unless ($map) {
1813	# restore original map position	2503	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1830		2520
1831	$map->load;	2521	$map->load;
1832	$map->load_diag;	2522	$map->load_neighbours;
1833		2523
1834	return unless $self->contr->active;	2524	return unless $self->contr->active;
1835	$self->activate_recursive;	2525	$self->activate_recursive;
1836		2526
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1839	}	2529	}
1840		2530
1841	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2532
1845	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1849	};	2537	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2538
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1876		2542
1877	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2548
1880	$self->enter_link;	2549	$self->enter_link;
1881		2550
1882	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1883	my $map = eval {	2573	my $map = eval {
1884	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
		2578	$map = $check->($map) if $check && $map;
		2579	} else {
		2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
		2582
1886	$map	2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2589	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1891	})->prio (1);	2597	})->prio (1);
1892	}	2598	}
1893		2599
1894	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1895		2601
…		…
1932	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
1933	}	2639	}
1934		2640
1935	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1936		2642
1937	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1940		2646
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2649	undef $fh;
1944	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
…		…
1953		2659
1954	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1955		2661
1956	if ($exit->slaying eq "/!") {	2662	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2664	# the problem is that $exit might not survive long enough
		2665	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2666	cf::sync_job { prepare_random_map $exit };
1959	}	2667	}
1960		2668
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
1964		2672
1965	$self->enter_link;	2673	$self->enter_link;
1966		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
1967	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1968	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2683	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
1971		2685
1972	1;	2686	1;
1973	}) {	2687	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2689	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2692
1979	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2694	$self->leave_link;
1981	}	2695	}
1982	})->prio (1);	2696	})->prio (1);
…		…
1995		2709
1996	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1998		2712
1999	utf8::encode $text;	2713	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2715	}
2002		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
		2841	=item $client->ext_msg ($type, @msg)
		2842
		2843	Sends an ext event to the client.
		2844
		2845	=cut
		2846
		2847	sub cf::client::ext_msg($$@) {
		2848	my ($self, $type, @msg) = @_;
		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
		2853	push @msg, msgtype => "event_$type";
		2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
		2874	}
2003		2875
2004	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2005		2877
2006	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2881
2010	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2883	become reliable at some point in the future.
2012		2884
2013	=cut	2885	=cut
2014		2886
2015	sub cf::client::query {	2887	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2896	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2898
2027	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2029	}	2903	}
2030		2904
2031	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2032	on_reply => sub {	2911	on_reply => sub {
2033	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2034		2913
2035	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2036	# get handled first	2915	# get handled first
…		…
2048	} else {	2927	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2929	}
2051	}	2930	}
2052	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
2053	);	2958	);
2054		2959
2055	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2056		2961
2057	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2100		3005
2101	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2102		3007
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2104		3013
2105	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2106		3015
2107	=pod	3016	=pod
2108		3017
2109	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2110		3019
2111	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2112	cf::object::player player	3024	cf::object::player
2113	cf::player peaceful	3025	player
2114	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2115		3032
2116	=cut	3033	=cut
2117		3034
2118	for (	3035	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2120	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2123	) {	3042	) {
2124	no strict 'refs';	3043	no strict 'refs';
…		…
2195	=back	3114	=back
2196		3115
2197	=cut	3116	=cut
2198		3117
2199	#############################################################################	3118	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3119	# the server's init and main functions
2273		3120
2274	sub load_faces {	3121	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3122	my ($path) = @_;
2276		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3129
2277	warn "loading faces from $path\n";	3130	warn "loading facedata from $path\n";
2278		3131
2279	my $faces;	3132	my $facedata;
2280	0 < aio_load $path, $faces	3133	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3134	or die "$path: $!";
2282		3135
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3136	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3137
		3138	$facedata->{version} == 2
		3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
		3148	{
		3149	my $faces = $facedata->{faceinfo};
		3150
2287	while (my ($face, $info) = each %$faces) {	3151	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	while (my ($face, $info) = each %$faces) {
		3162	next unless $info->{smooth};
		3163	my $idx = cf::face::find $face
		3164	or next;
		3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
		3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3168	} else {
		3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3170	}
		3171
		3172	cf::cede_to_tick;
		3173	}
		3174	}
		3175
		3176	{
		3177	my $anims = $facedata->{animinfo};
		3178
		3179	while (my ($anim, $info) = each %$anims) {
		3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3181	cf::cede_to_tick;
		3182	}
		3183
		3184	cf::anim::invalidate_all; # d'oh
		3185	}
		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
2292	}	3234	}
2293		3235
2294	1	3236	1
2295	}	3237	}
2296		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
		3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	load_resource_file "$MAPDIR/regions"
		3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
		3259	}
		3260
		3261	sub reload_facedata {
		3262	load_facedata "$DATADIR/facedata"
		3263	or die "unable to load facedata\n";
		3264	}
		3265
		3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
		3274	}
		3275
		3276	sub reload_treasures {
		3277	load_resource_file "$DATADIR/treasures"
		3278	or die "unable to load treasurelists\n";
		3279	}
		3280
2297	sub reload_resources {	3281	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3282	warn "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3283
		3284	reload_regions;
2300	load_faces	3285	reload_facedata;
2301	or die "unable to load faces\n";#d#	3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
2302	}	3291	}
2303		3292
2304	sub init {	3293	sub init {
2305	reload_resources;	3294	reload_resources;
2306	}	3295	}
2307		3296
2308	sub cfg_load {	3297	sub reload_config {
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	3299	or return;
2311		3300
2312	local $/;	3301	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2314		3303
…		…
2329	sub main {	3318	sub main {
2330	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333	(async {	3322	(async {
2334	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2336	};	3326	};
2337		3327
2338	cfg_load;	3328	reload_config;
2339	db_init;	3329	db_init;
2340	load_extensions;	3330	load_extensions;
2341		3331
2342	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2343	Event::loop;	3334	EV::loop;
2344	}	3335	}
2345		3336
2346	#############################################################################	3337	#############################################################################
2347	# initialisation and cleanup	3338	# initialisation and cleanup
2348		3339
2349	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2350	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2353	reentrant => 0,
2354	data => WF_AUTOCANCEL,
2355	signal => $signal,
2356	prio => 0,
2357	cb => sub {
2358	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2359	},
2360	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2361	}	3385	1
2362	}	3386	}
2363		3387
2364	sub emergency_save() {	3388	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2366		3390
…		…
2372	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2374	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3402	$pl->save;
2378	}	3403	}
2379	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2380		3405
2381	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2399		3424
2400	warn Carp::longmess "post_cleanup backtrace"	3425	warn Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3426	if $make_core;
2402	}	3427	}
2403		3428
2404	sub reload() {	3429	sub do_reload_perl() {
2405	# can/must only be called in main	3430	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3431	if ($Coro::current != $Coro::main) {
2407	warn "can only reload from main coroutine";	3432	warn "can only reload from main coroutine";
2408	return;	3433	return;
2409	}	3434	}
…		…
2420	warn "syncing database to disk";	3445	warn "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2422		3447
2423	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2424		3449
2425	warn "cancelling all WF_AUTOCANCEL watchers";
2426	for (Event::all_watchers) {
2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2428	}
2429
2430	warn "flushing outstanding aio requests";	3450	warn "flushing outstanding aio requests";
2431	for (;;) {	3451	for (;;) {
2432	BDB::flush;	3452	BDB::flush;
2433	IO::AIO::flush;	3453	IO::AIO::flush;
2434	Coro::cede;	3454	Coro::cede_notself;
2435	last unless IO::AIO::nreqs || BDB::nreqs;	3455	last unless IO::AIO::nreqs || BDB::nreqs;
2436	warn "iterate...";	3456	warn "iterate...";
2437	}	3457	}
2438		3458
2439	++$RELOAD;	3459	++$RELOAD;
…		…
2443	%EXT_CORO = ();	3463	%EXT_CORO = ();
2444		3464
2445	warn "removing commands";	3465	warn "removing commands";
2446	%COMMAND = ();	3466	%COMMAND = ();
2447		3467
2448	warn "removing ext commands";	3468	warn "removing ext/exti commands";
2449	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2450		3471
2451	warn "unloading/nuking all extensions";	3472	warn "unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2454		3475
…		…
2484	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3507
2487	warn "unloading cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2489		3511
2490	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3513	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2493		3515
…		…
2496	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2497	require cf;	3519	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2499		3521
2500	warn "loading config and database again";	3522	warn "loading config and database again";
2501	cf::cfg_load;	3523	cf::reload_config;
2502		3524
2503	warn "loading extensions";	3525	warn "loading extensions";
2504	cf::load_extensions;	3526	cf::load_extensions;
2505		3527
2506	warn "reattaching attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
…		…
2508	warn "reattaching attachments to maps";	3530	warn "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3531	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3532	warn "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3533	reattach $_ for values %PLAYER;
2512		3534
2513	warn "loading reloadable resources";
2514	reload_resources;
2515
2516	warn "leaving sync_job";	3535	warn "leaving sync_job";
2517		3536
2518	1	3537	1
2519	} or do {	3538	} or do {
2520	warn $@;	3539	warn $@;
…		…
2525	warn "reloaded";	3544	warn "reloaded";
2526	};	3545	};
2527		3546
2528	our $RELOAD_WATCHER; # used only during reload	3547	our $RELOAD_WATCHER; # used only during reload
2529		3548
		3549	sub reload_perl() {
		3550	# doing reload synchronously and two reloads happen back-to-back,
		3551	# coro crashes during coro_state_free->destroy here.
		3552
		3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3554	undef $RELOAD_WATCHER;
		3555	do_reload_perl;
		3556	};
		3557	}
		3558
2530	register_command "reload" => sub {	3559	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2532		3561
2533	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
2535		3564	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	3565	$Coro::current->{desc} = "perl_reload";
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;	3566	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	3567	};
2548	}	3568	}
2549	};	3569	};
2550		3570
2551	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2552		3572
2553	my $bug_warning = 0;	3573	my $bug_warning = 0;
2554		3574
2555	$TICK_WATCHER = Event->timer (	3575	our @WAIT_FOR_TICK;
2556	reentrant => 0,	3576	our @WAIT_FOR_TICK_BEGIN;
2557	parked => 1,	3577
2558	prio => 0,	3578	sub wait_for_tick {
2559	at => $NEXT_TICK || $TICK,	3579	return unless $TICK_WATCHER->is_active;
2560	data => WF_AUTOCANCEL,	3580	return if $Coro::current == $Coro::main;
2561	cb => sub {	3581
		3582	my $signal = new Coro::Signal;
		3583	push @WAIT_FOR_TICK, $signal;
		3584	$signal->wait;
		3585	}
		3586
		3587	sub wait_for_tick_begin {
		3588	return unless $TICK_WATCHER->is_active;
		3589	return if $Coro::current == $Coro::main;
		3590
		3591	my $signal = new Coro::Signal;
		3592	push @WAIT_FOR_TICK_BEGIN, $signal;
		3593	$signal->wait;
		3594	}
		3595
		3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2562	if ($Coro::current != $Coro::main) {	3597	if ($Coro::current != $Coro::main) {
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	3599	unless ++$bug_warning > 10;
2565	return;	3600	return;
2566	}	3601	}
2567		3602
2568	$NOW = Event::time;	3603	$NOW = $tick_start = EV::now;
2569		3604
2570	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
		3606
2571	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2573		3609
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2576	Coro::async_pool {	3612	Coro::async_pool {
		3613	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	3614	write_runtime
2578	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2579	};
2580	}	3616	};
2581
2582	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585	# my $AFTER = Event::time;
2586	# warn $AFTER - $NOW;#d#
2587
2588	# if we are delayed by four ticks or more, skip them all
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2590
2591	$TICK_WATCHER->at ($NEXT_TICK);
2592	$TICK_WATCHER->start;
2593	},	3617	}
2594	);	3618
		3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3620	$sig->send;
		3621	}
		3622	while (my $sig = shift @WAIT_FOR_TICK) {
		3623	$sig->send;
		3624	}
		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
		3629	_post_tick;
		3630	};
		3631	$TICK_WATCHER->priority (EV::MAXPRI);
2595		3632
2596	{	3633	{
		3634	BDB::min_parallel 8;
2597	BDB::max_poll_time $TICK * 0.1;	3635	BDB::max_poll_time $TICK * 0.1;
2598	$BDB_POLL_WATCHER = Event->io (	3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2599	reentrant => 0,
2600	fd => BDB::poll_fileno,
2601	poll => 'r',
2602	prio => 0,
2603	data => WF_AUTOCANCEL,
2604	cb => \&BDB::poll_cb,
2605	);
2606	BDB::min_parallel 8;
2607		3637
2608	BDB::set_sync_prepare {	3638	BDB::set_sync_prepare {
2609	my $status;	3639	my $status;
2610	my $current = $Coro::current;	3640	my $current = $Coro::current;
2611	(	3641	(
…		…
2620	)	3650	)
2621	};	3651	};
2622		3652
2623	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		3659
2626	cf::sync_job {	3660	cf::sync_job {
2627	eval {	3661	eval {
2628	BDB::db_env_open	3662	BDB::db_env_open
2629	$DB_ENV,	3663	$DB_ENV,
2630	$BDB_ENV_DIR,	3664	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	3667	0666;
2634		3668
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;
2639	};	3670	};
2640		3671
2641	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	3673	};
2643	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2644	}	3685	}
2645		3686
2646	{	3687	{
2647	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2648		3689
2649	undef $Coro::AIO::WATCHER;	3690	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2652	reentrant => 0,
2653	data => WF_AUTOCANCEL,
2654	fd => IO::AIO::poll_fileno,
2655	poll => 'r',
2656	prio => 6,
2657	cb => \&IO::AIO::poll_cb,
2658	);
2659	}	3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2660		3737
2661	END { cf::emergency_save }	3738	END { cf::emergency_save }
2662		3739
2663	1	3740	1
2664		3741

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines