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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.397 by root, Mon Nov 19 15:47:14 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	37	# configure various modules to our taste
28		38	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$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
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	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(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
		86	our $DB_ENV;
53		87
54	our %CFG;	88	our %CFG;
55		89
56	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	91	our $RUNTIME;
58		92
59	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		96
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		103
70	binmode STDOUT;	104	binmode STDOUT;
71	binmode STDERR;	105	binmode STDERR;
72		106
73	# read virtual server time, if available	107	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
78	}	112	}
79		113
80	mkdir cf::localdir;	114	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		116
86	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
87		118
88	sub cf::map::normalise;	119	sub cf::map::normalise;
89		120
…		…
100	=item $cf::RUNTIME	131	=item $cf::RUNTIME
101		132
102	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
103	every server tick.	134	every server tick.
104		135
105	=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
106		139
107	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		144
110	=item $cf::NOW	145	=item $cf::NOW
111		146
112	The time of the last (current) server tick.	147	The time of the last (current) server tick.
113		148
114	=item $cf::TICK	149	=item $cf::TICK
115		150
116	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	163	=item %cf::CFG
119		164
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	166	from wherever your confdir points to.
122		167
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		169
125	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
126	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
127	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.
128	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.
129		179
130	=back	180	=back
131		181
132	=cut	182	=cut
133		183
134	BEGIN {	184	BEGIN {
135	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	186	my $msg = join "", @_;
137	utf8::encode $msg;
138		187
139	$msg .= "\n"	188	$msg .= "\n"
140	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		192
142	LOG llevError, $msg;	193	LOG llevError, $msg;
143	};	194	};
144	}	195	}
145		196
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		204
153	# 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
154	# within the Safe compartment.	206	# within the Safe compartment.
155	for my $pkg (qw(	207	for my $pkg (qw(
156	cf::global cf::attachable	208	cf::global cf::attachable
…		…
161	)) {	213	)) {
162	no strict 'refs';	214	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	216	}
165		217
166	$Event::DIED = sub {	218	$EV::DIED = sub {
167	warn "error in event callback: @_";	219	warn "error in event callback: @_";
168	};	220	};
		221
		222	#############################################################################
169		223
170	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
171		225
172	=over 4	226	=over 4
173		227
…		…
192	$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;
193	$d	247	$d
194	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
195	}	249	}
196		250
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
200		252
201	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
202		254
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
211		256
212	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
213		258
214	=cut	259	=cut
215		260
216	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
218	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
230	returned.	275	returned.
231		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
232	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
233	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
234		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
238		291
239	sub lock_wait($) {	292	sub lock_wait($) {
240	my ($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#
241		299
242	# wait for lock, if any	300	# wait for lock, if any
243	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	303	Coro::schedule;
…		…
251		309
252	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
253	lock_wait $key;	311	lock_wait $key;
254		312
255	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
256		315
257	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
260	}	320	}
261	}	321	}
262		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
263	sub freeze_mainloop {	329	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
265		331
266	my $guard = Coro::guard {	332	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	334	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
272	$guard	336	$guard
		337	}
		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	$sig->wait;
273	}	410	}
274		411
275	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
276		413
277	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		419
283	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
284		421
285	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
286		423
287	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
290		428
291	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
294	fast or be very important.	432	fast or be very important.
…		…
297		435
298	sub sync_job(&) {	436	sub sync_job(&) {
299	my ($job) = @_;	437	my ($job) = @_;
300		438
301	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
302	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
304		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
305	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	448	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
308		450
309	my $busy = 1;	451	my $busy = 1;
310	my @res;	452	my @res;
311		453
312	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	456	@res = eval { $job->() };
314	warn $@ if $@;	457	warn $@ if $@;
315	undef $busy;	458	undef $busy;
316	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
317		460
318	while ($busy) {	461	while ($busy) {
319	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
320	}	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
321		475
322	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
323	} else {	477	} else {
324	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
325		479
…		…
345	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
346		500
347	$coro	501	$coro
348	}	502	}
349		503
350	sub write_runtime {	504	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		505
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	506	Executes the given code block with the given arguments in a seperate
354	or return;	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.
355		510
356	my $value = $cf::RUNTIME + 90 + 10;	511	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		512
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	513	sub fork_call(&@) {
361	and return;	514	my ($cb, @args) = @_;
362		515
363	aio_fsync $fh	516	# we seemingly have to make a local copy of the whole thing,
364	and return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
365		519
366	close $fh	520	my @res = Coro::Util::fork_eval {
367	or return;	521	reset_signals;
		522	&$cb
		523	}, @args;
368		524
369	aio_rename "$runtime~", $runtime	525	wantarray ? @res : $res[-1]
370	and return;	526	}
371		527
		528	=item $value = cf::db_get $family => $key
		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($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
372	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		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 });
373	}	664	}
374		665
375	=back	666	=back
376		667
377	=cut	668	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
386		677
387	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>
388	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
389	crossfire+).	680	Deliantra).
390		681
391	=over 4	682	=over 4
392		683
393	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
394		685
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
558		849
559	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		854
564	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	856	my $pkg = shift @arg;
566		857
567	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
597	}	888	}
598		889
599	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
600	} else {	891	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	893	}
603		894
604	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
605	}	896	}
606		897
…		…
608	if (ref $_[0]) {	899	if (ref $_[0]) {
609	_object_attach @_;	900	_object_attach @_;
610	} else {	901	} else {
611	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
612	}	903	}
		904	_recalc_want;
613	};	905	};
614		906
615	# all those should be optimised	907	# all those should be optimised
616	sub cf::attachable::detach {	908	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
621	reattach ($obj);	913	reattach ($obj);
622	} else {	914	} else {
623	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
624	}	916	}
		917	_recalc_want;
625	};	918	};
626		919
627	sub cf::attachable::attached {	920	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
629		922
…		…
644	";	937	";
645	die if $@;	938	die if $@;
646	}	939	}
647		940
648	our $override;	941	our $override;
649	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?
650		943
651	sub override {	944	sub override {
652	$override = 1;	945	$override = 1;
653	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
654	}	947	}
655		948
656	sub do_invoke {	949	sub do_invoke {
657	my $event = shift;	950	my $event = shift;
658	my $callbacks = shift;	951	my $callbacks = shift;
659		952
660	@invoke_results = ();	953	@INVOKE_RESULTS = ();
661		954
662	local $override;	955	local $override;
663		956
664	for (@$callbacks) {	957	for (@$callbacks) {
665	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
682		975
683	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
684		977
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		981
689	=back	982	=back
690		983
691	=cut	984	=cut
692		985
693	#############################################################################	986	#############################################################################
694	# 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, $ob2
		1029	}
695		1030
696	sub reattach {	1031	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1033	my ($obj) = @_;
699		1034
…		…
746	sub object_freezer_save {	1081	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
748		1083
749	sync_job {	1084	sync_job {
750	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
753		1089
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1093	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1094	close $fh;
759		1095
760	if (@$objs) {	1096	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1101	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1102	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
768	}	1104	}
769	} else {	1105	} else {
770	aio_unlink "$filename.pst";	1106	aio_unlink "$filename.pst";
…		…
776	}	1112	}
777	} else {	1113	} else {
778	aio_unlink $filename;	1114	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
780	}	1116	}
781	}	1117	};
782	}	1118	}
783		1119
784	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
786		1122
…		…
798	or return;	1134	or return;
799		1135
800	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
802	or return;	1138	or return;
		1139
803	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
804	}	1142	}
805		1143
		1144	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
808	return ($data, $av);	1148	($data, $av)
809	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
810		1156
811	#############################################################################	1157	#############################################################################
812	# command handling &c	1158	# command handling &c
813		1159
814	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1174	}
829		1175
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1177
832	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.
833		1183
834	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
835	called.	1185	called.
836		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
837	=cut	1198	=cut
838		1199
839	sub register_extcmd {	1200	sub register_extcmd {
840	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
841		1202
842	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
843	}	1210	}
844		1211
845	cf::player->attach (	1212	cf::player->attach (
846	on_command => sub {	1213	on_command => sub {
847	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1223	cf::override;
857	},	1224	},
858	on_extcmd => sub {	1225	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
860		1227
861	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1229
863	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
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
869	} else {	1245	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1247	}
872		1248
873	cf::override;	1249	cf::override;
874	},	1250	},
875	);	1251	);
876		1252
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
912	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1258	next unless -r $path;
914	eval {	1259
915	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	$progress = 1;
916	1	1317	}
917	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
918	}	1323	};
919	}	1324	}
920		1325
921	#############################################################################	1326	#############################################################################
922		1327
		1328	=back
		1329
923	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
924		1331
925	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
926		1333
927	=cut	1334	=cut
…		…
932		1339
933	=head3 cf::player	1340	=head3 cf::player
934		1341
935	=over 4	1342	=over 4
936		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
937	=item cf::player::find $login	1358	=item cf::player::find $login
938		1359
939	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
940		1361
941	=cut	1362	=cut
942		1363
943	sub playerdir($) {	1364	sub playerdir($) {
944	cf::localdir	1365	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1367	}
950		1368
951	sub path($) {	1369	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1371
954	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
955	}	1373	}
956		1374
957	sub find_active($) {	1375	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1390	my $login = $_[0];
973		1391
974	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
975		1393
976	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
977	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
978	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;
979	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
980	}	1410	}
981	}	1411	}
982	}	1412	}
983		1413
…		…
993		1423
994	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
996		1426
997	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
998	Coro::cede;	1428	cf::cede_to_tick;
999	}	1429	}
1000		1430
1001	sub new($) {	1431	sub new($) {
1002	my ($login) = @_;	1432	my ($login) = @_;
1003		1433
…		…
1009	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1010		1440
1011	$self	1441	$self
1012	}	1442	}
1013		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 (@_);
		1452	}
		1453
1014	=item $pl->quit_character	1454	=item $pl->quit_character
1015		1455
1016	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1457	be destroyed. May block for a long time.
1018		1458
1019	=cut	1459	=cut
1020		1460
1021	sub quit_character {	1461	sub quit_character {
1022	my ($pl) = @_;	1462	my ($pl) = @_;
		1463
		1464	my $name = $pl->ob->name;
1023		1465
1024	$pl->{deny_save} = 1;	1466	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1467	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1468
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1474	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1475	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1476	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1477	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1478	$pl->destroy;
		1479
		1480	my $prefix = qr<^~\Q$name\E/>;
		1481
		1482	# nuke player maps
		1483	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1484
1037	IO::AIO::aio_rmtree $temp;	1485	IO::AIO::aio_rmtree $temp;
		1486	}
		1487
		1488	=item $pl->kick
		1489
		1490	Kicks a player out of the game. This destroys the connection.
		1491
		1492	=cut
		1493
		1494	sub kick {
		1495	my ($pl, $kicker) = @_;
		1496
		1497	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1498	$pl->killer ("kicked");
		1499	$pl->ns->destroy;
1038	}	1500	}
1039		1501
1040	=item cf::player::list_logins	1502	=item cf::player::list_logins
1041		1503
1042	Returns am arrayref of all valid playernames in the system, can take a	1504	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1044		1506
1045	=cut	1507	=cut
1046		1508
1047	sub list_logins {	1509	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1511	or return [];
1050		1512
1051	my @logins;	1513	my @logins;
1052		1514
1053	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") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1057		1524
1058	utf8::decode $login;	1525	utf8::decode $login;
1059	push @logins, $login;	1526	push @logins, $login;
1060	}	1527	}
1061		1528
…		…
1069		1536
1070	=cut	1537	=cut
1071		1538
1072	sub maps($) {	1539	sub maps($) {
1073	my ($pl) = @_;	1540	my ($pl) = @_;
		1541
		1542	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1543
1075	my $files = aio_readdir playerdir $pl	1544	my $files = aio_readdir playerdir $pl
1076	or return;	1545	or return;
1077		1546
1078	my @paths;	1547	my @paths;
…		…
1080	for (@$files) {	1549	for (@$files) {
1081	utf8::decode $_;	1550	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1551	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1552	next unless /^$PATH_SEP/o;
1084		1553
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1554	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1555	}
1087		1556
1088	\@paths	1557	\@paths
1089	}	1558	}
1090		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
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1092		1654
1093	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1094		1656
1095	=cut	1657	=cut
1096		1658
1097	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1099		1661
1100	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1663	}
1104		1664
1105	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	$match
		1704	}
1106		1705
1107	=back	1706	=back
1108
1109		1707
1110	=head3 cf::map	1708	=head3 cf::map
1111		1709
1112	=over 4	1710	=over 4
1113		1711
…		…
1168	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1169		1767
1170	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1171	local $self->{path};	1769	local $self->{path};
1172	local $self->{load_path};	1770	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1771
1176	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1177	}	1773	}
1178		1774
1179	sub normalise {	1775	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1227	return $self;	1823	return $self;
1228	}	1824	}
1229	}	1825	}
1230		1826
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1828	()
1233	}	1829	}
1234		1830
1235	sub init {	1831	sub init {
1236	my ($self) = @_;	1832	my ($self) = @_;
…		…
1251		1847
1252	# the original (read-only) location	1848	# the original (read-only) location
1253	sub load_path {	1849	sub load_path {
1254	my ($self) = @_;	1850	my ($self) = @_;
1255		1851
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1257	}	1853	}
1258		1854
1259	# the temporary/swap location	1855	# the temporary/swap location
1260	sub save_path {	1856	sub save_path {
1261	my ($self) = @_;	1857	my ($self) = @_;
1262		1858
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1265	}	1861	}
1266		1862
1267	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1268	sub uniq_path {	1864	sub uniq_path {
1269	my ($self) = @_;	1865	my ($self) = @_;
1270		1866
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1273	}	1869	}
1274		1870
1275	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1276	# all maps in C++...	1872	# all maps in C++...
1277	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1279		1875
1280	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1282	}	1878	}
1283		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1284	sub unlink_save {	1888	sub unlink_save {
1285	my ($self) = @_;	1889	my ($self) = @_;
1286		1890
1287	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1895
1292	sub load_header_from($) {	1896	sub load_header_from($) {
1293	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1294		1898
1295	utf8::encode $path;	1899	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1297	or return;	1901	or return;
1298		1902
1299	$self->_load_header ($path)	1903	$self->_load_header ($f)
1300	or return;	1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1301		1908
1302	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1303		1910
1304	1	1911	1
1305	}	1912	}
…		…
1344	$self->load_header_orig	1951	$self->load_header_orig
1345	or return;	1952	or return;
1346	$self->prepare_orig;	1953	$self->prepare_orig;
1347	}	1954	}
1348		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 $self->default_region;
		1961
1349	1	1962	1
1350	}	1963	}
1351		1964
1352	sub find;	1965	sub find;
1353	sub find {	1966	sub find {
1354	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1355		1968
1356	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1357		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1359		1973
1360	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1361	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
1362	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1363	or return;	1979	or return;
1364		1980
1365	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1366		1982
1367	$map->load_header	1983	$map->load_header
1368	or return;	1984	or return;
1369		1985
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1373	$map->reset;	1991	$map->reset;
1374	undef $guard;
1375	return find $path;	1992	return find $path;
1376	}	1993	}
1377		1994
1378	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1379	}	1996	}
…		…
1386	my ($self) = @_;	2003	my ($self) = @_;
1387		2004
1388	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1389		2006
1390	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1392		2011
		2012	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2014
1395	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1396		2016
1397	$self->alloc;	2017	$self->alloc;
1398		2018
1399	$self->pre_load;	2019	$self->pre_load;
		2020	cf::cede_to_tick;
1400		2021
1401	$self->_load_objects ($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)
1402	or return;	2025	or return;
1403		2026
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	2028	if delete $self->{load_original};
1406		2029
1407	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2031	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2034	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1412	}	2038	}
1413	}	2039	}
1414		2040
1415	Coro::cede;	2041	$f->resolve_delayed_derefs;
1416		2042
		2043	cf::cede_to_tick;
1417	# now do the right thing for maps	2044	# now do the right thing for maps
1418	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2047	unless $self->difficulty;
1428	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($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;
1429	$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);
1430	}	2064	}
1431		2065
1432	$self->post_load;	2066	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2067	}
1436		2068
1437	sub customise_for {	2069	sub customise_for {
1438	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1439		2071
1440	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2073	if $self->per_player;
1442		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1443	$self	2078	$self
1444	}	2079	}
1445		2080
1446	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	2082	sub load_neighbours {
1448	my ($map) = @_;	2083	my ($map) = @_;
1449		2084
1450	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1451		2086
1452	for (0 .. 3) {	2087	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1454	or next;	2089	or next;
1455	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1456	or next;	2091	or next;
1457	$neigh->load;	2092	$neigh->load;
1458		2093
		2094	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2097	}
1462		2098
1463	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1465	or next;	2102	or next;
1466	$neigh->load;	2103	$neigh->load;
1467	}	2104	}
1468	}	2105	}
1469		2106
…		…
1474	}	2111	}
1475		2112
1476	sub do_load_sync {	2113	sub do_load_sync {
1477	my ($map) = @_;	2114	my ($map) = @_;
1478		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1479	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1480	}	2120	}
1481		2121
1482	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1484		2124
1485	sub find_async {	2125	sub find_async {
1486	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1487		2127
1488	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1489		2129
1490	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	2132	}
1493		2133
1494	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1495	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1496	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2141	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2142	$map->load if $v;
		2143	}
1501		2144
1502	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1503	}	2146	}
1504	}	2147	}
1505	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1506	};	2149	};
1507	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2153	}
1511		2154
1512	sub save {	2155	sub save {
1513	my ($self) = @_;	2156	my ($self) = @_;
1514		2157
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2159
1517	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1518		2161
1519	return unless $self->dirty;	2162	return unless $self->dirty;
1520		2163
…		…
1526	return if $self->{deny_save};	2169	return if $self->{deny_save};
1527		2170
1528	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1529		2172
1530	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1532	};	2176	};
1533		2177
1534	if ($uniq) {	2178	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1543	my ($self) = @_;	2187	my ($self) = @_;
1544		2188
1545	# save first because save cedes	2189	# save first because save cedes
1546	$self->save;	2190	$self->save;
1547		2191
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2193
1550	return if $self->players;	2194	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2196	return if $self->{deny_save};
1553		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2202	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2203	}
1557		2204
1558	sub reset_at {	2205	sub reset_at {
1559	my ($self) = @_;	2206	my ($self) = @_;
1560		2207
1561	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1564		2210
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2213
…		…
1578	my ($self) = @_;	2224	my ($self) = @_;
1579		2225
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2227
1582	return if $self->players;	2228	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2229
1585	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	# need to save uniques path
		2235	unless ($self->{deny_save}) {
		2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2237
		2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2239	if $uniq;
		2240	}
1586		2241
1587	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1588		2243
1589	$self->in_memory (cf::MAP_SWAPPED);	2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2246	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2247
1594	$self->unlink_save;	2248	$self->unlink_save;
1595	$self->destroy;	2249	$self->destroy;
1596	}	2250	}
1597		2251
1598	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1599		2253
1600	sub nuke {	2254	sub nuke {
1601	my ($self) = @_;	2255	my ($self) = @_;
1602		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1603	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1604		2261
1605	$self->unlink_save;	2262	$self->unlink_save;
1606		2263
1607	bless $self, "cf::map";	2264	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2269
1613	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1614		2272
1615	$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	]
1616	}	2310	}
1617		2311
1618	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1619		2313
1620	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2315	instantiated unique items. May block.
1622		2316
1623	=cut	2317	=cut
1624		2318
1625	sub unique_maps() {	2319	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1627	or return;	2321	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2322	utf8::decode $_;
1633	next if /\.pst$/;	2323	/\.map$/
1634	next unless /^$PATH_SEP/o;	2324	? normalise $_
1635		2325	: ()
1636	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2327	]
1638
1639	\@paths
1640	}	2328	}
1641		2329
1642	package cf;	2330	package cf;
1643		2331
1644	=back	2332	=back
…		…
1662	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1663	}	2351	}
1664		2352
1665	sub inv_recursive {	2353	sub inv_recursive {
1666	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	}
1667	}	2383	}
1668		2384
1669	package cf;	2385	package cf;
1670		2386
1671	=back	2387	=back
…		…
1690		2406
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2408
1693	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1695	} 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 {
1696	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1698	}	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 (@_);
1699	}	2434	}
1700		2435
1701	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1702		2437
1703	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1751		2486
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2488
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1756		2491
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2493	}
1759		2494
1760	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1762		2499
1763	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1764		2501
1765	unless ($map) {	2502	unless ($map) {
1766	# restore original map position	2503	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1783		2520
1784	$map->load;	2521	$map->load;
1785	$map->load_diag;	2522	$map->load_neighbours;
1786		2523
1787	return unless $self->contr->active;	2524	return unless $self->contr->active;
1788	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1790	}	2529	}
1791		2530
1792	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2532
1796	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1800	};	2537	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2538
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1827		2542
1828	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1829	my ($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;
1830		2548
1831	$self->enter_link;	2549	$self->enter_link;
1832		2550
1833	(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
1834	my $map = eval {	2573	my $map = eval {
1835	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1836	$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
1837	$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 $@;
1838	} or	2589	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1842	})->prio (1);	2597	})->prio (1);
1843	}	2598	}
1844		2599
1845	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1846		2601
…		…
1885		2640
1886	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1887		2642
1888	my $data = cf::to_json $rmp;	2643	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1891		2646
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2649	undef $fh;
1895	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
…		…
1904		2659
1905	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1906		2661
1907	if ($exit->slaying eq "/!") {	2662	if ($exit->slaying eq "/!") {
1908	#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
1909	cf::sync_job { prepare_random_map $exit };	2666	cf::sync_job { prepare_random_map $exit };
1910	}	2667	}
1911		2668
1912	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;
1913	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
1915		2672
1916	$self->enter_link;	2673	$self->enter_link;
1917		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
1918	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1919	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2683	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
1922		2685
1923	1;	2686	1;
1924	}) {	2687	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "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. "
1927	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2692
1930	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2694	$self->leave_link;
1932	}	2695	}
1933	})->prio (1);	2696	})->prio (1);
…		…
1946		2709
1947	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1949		2712
1950	utf8::encode $text;	2713	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2715	}
1953		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	}
1954		2875
1955	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
1956		2877
1957	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
1958	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>,
1959	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>.
1960		2881
1961	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
1962	reliable at some point in the future.	2883	become reliable at some point in the future.
1963		2884
1964	=cut	2885	=cut
1965		2886
1966	sub cf::client::query {	2887	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2896	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2898
1978	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
1980	}	2903	}
1981		2904
1982	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
1983	on_reply => sub {	2911	on_reply => sub {
1984	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
1985		2913
1986	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
1987	# get handled first	2915	# get handled first
1988	my $queue = delete $ns->{query_queue}	2916	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2917	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2918
1991	(shift @$queue)->[1]->($msg);	2919	(shift @$queue)->[1]->($msg);
		2920	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2921
1993	push @{ $ns->{query_queue} }, @$queue;	2922	push @{ $ns->{query_queue} }, @$queue;
1994		2923
1995	if (@{ $ns->{query_queue} } == @$queue) {	2924	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2925	if (@$queue) {
…		…
1998	} else {	2927	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2929	}
2001	}	2930	}
2002	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($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	},
2003	);	2958	);
2004		2959
2005	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2006		2961
2007	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2050		3005
2051	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2052		3007
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2054		3013
2055	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2056		3015
2057	=pod	3016	=pod
2058		3017
2059	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2060		3019
2061	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2062	cf::object::player player	3024	cf::object::player
2063	cf::player peaceful	3025	player
2064	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2065		3032
2066	=cut	3033	=cut
2067		3034
2068	for (	3035	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2070	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2073	) {	3042	) {
2074	no strict 'refs';	3043	no strict 'refs';
…		…
2145	=back	3114	=back
2146		3115
2147	=cut	3116	=cut
2148		3117
2149	#############################################################################	3118	#############################################################################
		3119	# the server's init and main functions
2150		3120
2151	=head2 EXTENSION DATABASE SUPPORT	3121	sub load_facedata($) {
		3122	my ($path) = @_;
2152		3123
2153	Crossfire maintains a very simple database for extension use. It can	3124	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3125	# for this (global event?)
2155	excludes objects.	3126	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3127
2157	The parameter C<$family> should best start with the name of the extension	3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3129
2160	=over 4	3130	warn "loading facedata from $path\n";
2161		3131
2162	=item $hashref = cf::db_get $family	3132	my $facedata;
		3133	0 < aio_load $path, $facedata
		3134	or die "$path: $!";
2163		3135
2164	Return a hashref for use by the extension C<$family>, which can be	3136	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3137
2168	=item $value = cf::db_get $family => $key	3138	$facedata->{version} == 2
		3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3140
2170	Returns a single value from the database	3141	# patch in the exptable
2171		3142	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3143	type => FT_RSRC,
2173		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3145	};
		3146	cf::cede_to_tick;
2200		3147
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3148	{
		3149	my $faces = $facedata->{faceinfo};
2212		3150
2213	my $dirty;	3151	while (my ($face, $info) = each %$faces) {
		3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
		3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		3157
2215	sub db_sync() {	3158	cf::cede_to_tick;
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3159	}
2254	);
2255	}
2256		3160
2257	#############################################################################	3161	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	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	}
2259		3171
2260	sub cfg_load {	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	}
		3234	}
		3235
		3236	1
		3237	}
		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
		3281	sub reload_resources {
		3282	warn "reloading resource files...\n";
		3283
		3284	reload_regions;
		3285	reload_facedata;
		3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
		3291	}
		3292
		3293	sub init {
		3294	reload_resources;
		3295	}
		3296
		3297	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3299	or return;
2263		3300
2264	local $/;	3301	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2266		3303
…		…
2281	sub main {	3318	sub main {
2282	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2284	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#
2285	(async {	3322	(async {
2286	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2288	};	3326	};
2289		3327
2290	cfg_load;	3328	reload_config;
2291	db_load;	3329	db_init;
2292	load_extensions;	3330	load_extensions;
2293		3331
2294	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2295	Event::loop;	3334	EV::loop;
2296	}	3335	}
2297		3336
2298	#############################################################################	3337	#############################################################################
2299	# initialisation and cleanup	3338	# initialisation and cleanup
2300		3339
2301	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2302	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2311	},
2312	);	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
2313	}	3385	1
2314	}	3386	}
2315		3387
2316	sub emergency_save() {	3388	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2318		3390
…		…
2324	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2326	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3402	$pl->save;
2330	}	3403	}
2331	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2332		3405
2333	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2335	my $map = $cf::MAP{$path} or next;	3408	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3409	$map->valid or next;
2337	$map->save;	3410	$map->save;
2338	}	3411	}
2339	warn "end emergency map save\n";	3412	warn "end emergency map save\n";
		3413
		3414	warn "begin emergency database checkpoint\n";
		3415	BDB::db_env_txn_checkpoint $DB_ENV;
		3416	warn "end emergency database checkpoint\n";
2340	};	3417	};
2341		3418
2342	warn "leave emergency perl save\n";	3419	warn "leave emergency perl save\n";
2343	}	3420	}
2344		3421
		3422	sub post_cleanup {
		3423	my ($make_core) = @_;
		3424
		3425	warn Carp::longmess "post_cleanup backtrace"
		3426	if $make_core;
		3427	}
		3428
2345	sub reload() {	3429	sub do_reload_perl() {
2346	# can/must only be called in main	3430	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3431	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3432	warn "can only reload from main coroutine";
2349	return;	3433	return;
2350	}	3434	}
2351		3435
2352	warn "reloading...";	3436	warn "reloading...";
2353		3437
2354	warn "cancelling server ticker";	3438	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3439
		3440	cf::sync_job {
		3441	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3442	cf::emergency_save;
		3443	cf::write_runtime; # external watchdog should not bark
2358		3444
2359	eval {	3445	warn "syncing database to disk";
		3446	BDB::db_env_txn_checkpoint $DB_ENV;
		3447
2360	# 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
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369		3449
2370	warn "flushing outstanding aio requests";	3450	warn "flushing outstanding aio requests";
2371	for (;;) {	3451	for (;;) {
		3452	BDB::flush;
2372	IO::AIO::flush;	3453	IO::AIO::flush;
2373	Coro::cede;	3454	Coro::cede_notself;
2374	last unless IO::AIO::nreqs;	3455	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3456	warn "iterate...";
2376	}	3457	}
		3458
		3459	++$RELOAD;
2377		3460
2378	warn "cancelling all extension coros";	3461	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3462	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3463	%EXT_CORO = ();
2381		3464
2382	warn "removing commands";	3465	warn "removing commands";
2383	%COMMAND = ();	3466	%COMMAND = ();
2384		3467
2385	warn "removing ext commands";	3468	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2387		3471
2388	warn "unloading/nuking all extensions";	3472	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2391		3475
…		…
2421	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2422	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);
2423		3507
2424	warn "unloading cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2426		3511
2427	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3513	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2430		3515
…		…
2433	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2434	require cf;	3519	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3521
2437	warn "loading config and database again";	3522	warn "loading config and database again";
2438	cf::cfg_load;	3523	cf::reload_config;
2439	cf::db_load;
2440		3524
2441	warn "loading extensions";	3525	warn "loading extensions";
2442	cf::load_extensions;	3526	cf::load_extensions;
2443		3527
2444	warn "reattaching attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3529	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3530	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3531	reattach $_ for values %MAP;
		3532	warn "reattaching attachments to players";
		3533	reattach $_ for values %PLAYER;
2448		3534
2449	warn "restarting server ticker";	3535	warn "leaving sync_job";
2450		3536
2451	$TICK_WATCHER->start;	3537	1
2452	};	3538	} or do {
2453
2454	if ($@) {
2455	warn $@;	3539	warn $@;
2456	warn "error while reloading, exiting.";	3540	warn "error while reloading, exiting.";
2457	exit 1;	3541	exit 1;
2458	}	3542	};
2459		3543
2460	warn "reloaded";	3544	warn "reloaded";
2461	};	3545	};
2462		3546
2463	our $RELOAD_WATCHER; # used only during reload	3547	our $RELOAD_WATCHER; # used only during reload
2464		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
2465	register_command "reload" => sub {	3559	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2467		3561
2468	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
		3566	reload_perl;
		3567	};
		3568	}
		3569	};
2470		3570
2471	# doing reload synchronously and two reloads happen back-to-back,	3571	unshift @INC, $LIBDIR;
2472	# coro crashes during coro_state_free->destroy here.
2473		3572
2474	$RELOAD_WATCHER ||= Event->timer (	3573	my $bug_warning = 0;
2475	reentrant => 0,	3574
2476	after => 0,	3575	our @WAIT_FOR_TICK;
2477	data => WF_AUTOCANCEL,	3576	our @WAIT_FOR_TICK_BEGIN;
		3577
		3578	sub wait_for_tick {
		3579	return unless $TICK_WATCHER->is_active;
		3580	return if $Coro::current == $Coro::main;
		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 {
		3597	if ($Coro::current != $Coro::main) {
		3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3599	unless ++$bug_warning > 10;
		3600	return;
		3601	}
		3602
		3603	$NOW = $tick_start = EV::now;
		3604
		3605	cf::server_tick; # one server iteration
		3606
		3607	$RUNTIME += $TICK;
		3608	$NEXT_TICK += $TICK;
		3609
		3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3612	Coro::async_pool {
		3613	$Coro::current->{desc} = "runtime saver";
		3614	write_runtime
		3615	or warn "ERROR: unable to write runtime file: $!";
		3616	};
		3617	}
		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);
		3632
		3633	{
		3634	BDB::min_parallel 8;
		3635	BDB::max_poll_time $TICK * 0.1;
		3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
		3637
		3638	BDB::set_sync_prepare {
		3639	my $status;
		3640	my $current = $Coro::current;
		3641	(
2478	cb => sub {	3642	sub {
2479	reload;	3643	$status = $!;
2480	undef $RELOAD_WATCHER;	3644	$current->ready; undef $current;
2481	},	3645	},
		3646	sub {
		3647	Coro::schedule while defined $current;
		3648	$! = $status;
		3649	},
2482	);	3650	)
2483	}	3651	};
2484	};
2485		3652
2486	unshift @INC, $LIBDIR;	3653	unless ($DB_ENV) {
		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);
2487		3659
2488	my $bug_warning = 0;	3660	cf::sync_job {
		3661	eval {
		3662	BDB::db_env_open
		3663	$DB_ENV,
		3664	$BDBDIR,
		3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3667	0666;
2489		3668
2490	$TICK_WATCHER = Event->timer (	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2491	reentrant => 0,	3670	};
2492	parked => 1,	3671
2493	prio => 0,	3672	cf::cleanup "db_env_open(db): $@" if $@;
2494	at => $NEXT_TICK || $TICK,
2495	data => WF_AUTOCANCEL,
2496	cb => sub {
2497	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;
2500	return;
2501	}	3673	};
2502
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508
2509	$WAIT_FOR_TICK->broadcast;
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2511
2512	Event::sweep;
2513	Coro::cede_notself;
2514
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},	3674	}
2524	);
2525		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	};
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
		3693	}
2527		3694
2528	undef $Coro::AIO::WATCHER;	3695	my $_log_backtrace;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537		3696
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3697	sub _log_backtrace {
2539	reentrant => 0,	3698	my ($msg, @addr) = @_;
2540	data => WF_AUTOCANCEL,	3699
2541	after => 1,	3700	$msg =~ s/\n//;
2542	interval => 10,	3701
2543	prio => 6, # keep it lowest so it acts like a watchdog	3702	# limit the # of concurrent backtraces
2544	cb => Coro::unblock_sub {	3703	if ($_log_backtrace < 2) {
2545	write_runtime	3704	++$_log_backtrace;
2546	or warn "ERROR: unable to write runtime file: $!";	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";
2547	},	3732	}
2548	);	3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2549		3737
2550	END { cf::emergency_save }	3738	END { cf::emergency_save }
2551		3739
2552	1	3740	1
2553		3741

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