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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.394 by root, Thu Nov 8 19:43:25 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use 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::Event;
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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
27		36
		37	# configure various modules to our taste
		38	#
		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
		42
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		44
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
34		47
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
37	our %COMMAND = ();	52	our %COMMAND = ();
38	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
39		54
40	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
44		60
		61	our $RELOAD; # number of reloads so far
45	our @EVENT;	62	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		63
48	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $TICK_WATCHER;	77	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	80	our $NEXT_TICK;
53	our $NOW;	81	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		83
56	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	88	our $DB_ENV;
58		89
59	our %CFG;	90	our %CFG;
60		91
61	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	93	our $RUNTIME;
63		94
64	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		98
73	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
76	binmode STDOUT;	106	binmode STDOUT;
77	binmode STDERR;	107	binmode STDERR;
78		108
79	# read virtual server time, if available	109	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
84	}	114	}
85		115
86	mkdir cf::localdir;	116	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		118
93	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
94		120
95	sub cf::map::normalise;	121	sub cf::map::normalise;
96		122
…		…
107	=item $cf::RUNTIME	133	=item $cf::RUNTIME
108		134
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	136	every server tick.
111		137
112	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		141
114	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
116		146
117	=item $cf::NOW	147	=item $cf::NOW
118		148
119	The time of the last (current) server tick.	149	The time of the last (current) server tick.
120		150
121	=item $cf::TICK	151	=item $cf::TICK
122		152
123	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
124		164
125	=item %cf::CFG	165	=item %cf::CFG
126		166
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	168	from wherever your confdir points to.
129		169
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		171
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
136		181
137	=back	182	=back
138		183
139	=cut	184	=cut
140		185
141	BEGIN {	186	BEGIN {
142	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	188	my $msg = join "", @_;
144	utf8::encode $msg;
145		189
146	$msg .= "\n"	190	$msg .= "\n"
147	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
148		194
149	LOG llevError, $msg;	195	LOG llevError, $msg;
150	};	196	};
151	}	197	}
152		198
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		206
160	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	208	# within the Safe compartment.
162	for my $pkg (qw(	209	for my $pkg (qw(
163	cf::global cf::attachable	210	cf::global cf::attachable
…		…
171	}	218	}
172		219
173	$Event::DIED = sub {	220	$Event::DIED = sub {
174	warn "error in event callback: @_";	221	warn "error in event callback: @_";
175	};	222	};
		223
		224	#############################################################################
176		225
177	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
178		227
179	=over 4	228	=over 4
180		229
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	249	$d
201	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
202	}	251	}
203		252
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
207		254
208	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
209		256
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
218		258
219	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
220		260
221	=cut	261	=cut
222		262
223	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
225	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
227		267
228	=item cf::lock_wait $string	268	=item cf::lock_wait $string
229		269
230	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
231		271
…		…
234	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
237	returned.	277	returned.
238		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
239	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
241		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
242	=cut	289	=cut
243		290
244	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
245		293
246	sub lock_wait($) {	294	sub lock_wait($) {
247	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
248		301
249	# wait for lock, if any	302	# wait for lock, if any
250	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	305	Coro::schedule;
…		…
258		311
259	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
260	lock_wait $key;	313	lock_wait $key;
261		314
262	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
263		317
264	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
267	}	322	}
268	}	323	}
269		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
270	sub freeze_mainloop {	331	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
272		333
273	my $guard = Coro::guard {	334	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	336	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
279	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
280	}	397	}
281		398
282	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
283		400
284	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		406
290	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
291		408
292	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
293		410
294	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
297		415
298	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
301	fast or be very important.	419	fast or be very important.
…		…
304		422
305	sub sync_job(&) {	423	sub sync_job(&) {
306	my ($job) = @_;	424	my ($job) = @_;
307		425
308	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
309	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
311		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
312	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	435	# (but this is cancel-safe)
314	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
315		437
316	my $busy = 1;	438	my $busy = 1;
317	my @res;	439	my @res;
318		440
319	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	443	@res = eval { $job->() };
321	warn $@ if $@;	444	warn $@ if $@;
322	undef $busy;	445	undef $busy;
323	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
324		447
325	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
326	Coro::cede or Event::one_event;	452	Event::one_event;
327	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
328		462
329	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
330	} else {	464	} else {
331	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
332		466
…		…
352	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
353		487
354	$coro	488	$coro
355	}	489	}
356		490
357	sub write_runtime {	491	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		492
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
361	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
362		497
363	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		499
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
368	and return;	501	my ($cb, @args) = @_;
369		502
370	# always fsync - this file is important	503	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	504	# otherwise perl prematurely frees the stuff :/
372	and return;	505	# TODO: investigate and fix (likely this will be rather laborious)
373		506
374	close $fh	507	my @res = Coro::Util::fork_eval {
375	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
376		511
377	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
378	and return;	513	}
379		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
380	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	651	}
382		652
383	=back	653	=back
384		654
385	=cut	655	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
394		664
395	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	667	Deliantra).
398		668
399	=over 4	669	=over 4
400		670
401	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
402		672
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
566		836
567	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		841
572	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	843	my $pkg = shift @arg;
574		844
575	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
605	}	875	}
606		876
607	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
608	} else {	878	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	880	}
611		881
612	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
613	}	883	}
614		884
…		…
616	if (ref $_[0]) {	886	if (ref $_[0]) {
617	_object_attach @_;	887	_object_attach @_;
618	} else {	888	} else {
619	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
620	}	890	}
		891	_recalc_want;
621	};	892	};
622		893
623	# all those should be optimised	894	# all those should be optimised
624	sub cf::attachable::detach {	895	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
629	reattach ($obj);	900	reattach ($obj);
630	} else {	901	} else {
631	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
632	}	903	}
		904	_recalc_want;
633	};	905	};
634		906
635	sub cf::attachable::attached {	907	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
637		909
…		…
652	";	924	";
653	die if $@;	925	die if $@;
654	}	926	}
655		927
656	our $override;	928	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		930
659	sub override {	931	sub override {
660	$override = 1;	932	$override = 1;
661	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
662	}	934	}
663		935
664	sub do_invoke {	936	sub do_invoke {
665	my $event = shift;	937	my $event = shift;
666	my $callbacks = shift;	938	my $callbacks = shift;
667		939
668	@invoke_results = ();	940	@INVOKE_RESULTS = ();
669		941
670	local $override;	942	local $override;
671		943
672	for (@$callbacks) {	944	for (@$callbacks) {
673	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
690		962
691	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
692		964
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		968
697	=back	969	=back
698		970
699	=cut	971	=cut
700		972
701	#############################################################################	973	#############################################################################
702	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
703		1017
704	sub reattach {	1018	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1020	my ($obj) = @_;
707		1021
…		…
754	sub object_freezer_save {	1068	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
756		1070
757	sync_job {	1071	sync_job {
758	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
761		1076
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1081	close $fh;
767		1082
768	if (@$objs) {	1083	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1089	close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
776	}	1091	}
…		…
784	}	1099	}
785	} else {	1100	} else {
786	aio_unlink $filename;	1101	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
788	}	1103	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1104	};
796	}	1105	}
797		1106
798	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
800		1109
…		…
805		1114
806	sub object_thawer_load {	1115	sub object_thawer_load {
807	my ($filename) = @_;	1116	my ($filename) = @_;
808		1117
809	my ($data, $av);	1118	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1119
814	(aio_load $filename, $data) >= 0	1120	(aio_load $filename, $data) >= 0
815	or return;	1121	or return;
816		1122
817	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
819	or return;	1125	or return;
		1126
820	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
821	}	1129	}
822		1130
		1131	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
825	return ($data, $av);	1135	($data, $av)
826	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
827		1143
828	#############################################################################	1144	#############################################################################
829	# command handling &c	1145	# command handling &c
830		1146
831	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1161	}
846		1162
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1164
849	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
850		1170
851	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
852	called.	1172	called.
853		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
854	=cut	1185	=cut
855		1186
856	sub register_extcmd {	1187	sub register_extcmd {
857	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
858		1189
859	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
860	}	1197	}
861		1198
862	cf::player->attach (	1199	cf::player->attach (
863	on_command => sub {	1200	on_command => sub {
864	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1210	cf::override;
874	},	1211	},
875	on_extcmd => sub {	1212	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
877		1214
878	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1216
880	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
886	} else {	1232	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1234	}
889		1235
890	cf::override;	1236	cf::override;
891	},	1237	},
892	);	1238	);
893		1239
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
929	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1245	next unless -r $path;
931	eval {	1246
932	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
933	1	1304	}
934	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
935	}	1310	};
936	}	1311	}
937		1312
938	#############################################################################	1313	#############################################################################
939		1314
		1315	=back
		1316
940	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
941		1318
942	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
943		1320
944	=cut	1321	=cut
…		…
949		1326
950	=head3 cf::player	1327	=head3 cf::player
951		1328
952	=over 4	1329	=over 4
953		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
954	=item cf::player::find $login	1345	=item cf::player::find $login
955		1346
956	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
957		1348
958	=cut	1349	=cut
959		1350
960	sub playerdir($) {	1351	sub playerdir($) {
961	cf::localdir	1352	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1354	}
967		1355
968	sub path($) {	1356	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1358
971	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
972	}	1360	}
973		1361
974	sub find_active($) {	1362	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1377	my $login = $_[0];
990		1378
991	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
992		1380
993	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
995	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
997	}	1397	}
998	}	1398	}
999	}	1399	}
1000		1400
…		…
1010		1410
1011	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1013		1413
1014	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1015	Coro::cede;	1415	cf::cede_to_tick;
1016	}	1416	}
1017		1417
1018	sub new($) {	1418	sub new($) {
1019	my ($login) = @_;	1419	my ($login) = @_;
1020		1420
…		…
1026	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1027		1427
1028	$self	1428	$self
1029	}	1429	}
1030		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1031	=item $pl->quit_character	1441	=item $pl->quit_character
1032		1442
1033	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1035		1445
1036	=cut	1446	=cut
1037		1447
1038	sub quit_character {	1448	sub quit_character {
1039	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1040		1452
1041	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1455
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1054	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1055	}	1487	}
1056		1488
1057	=item cf::player::list_logins	1489	=item cf::player::list_logins
1058		1490
1059	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1061		1493
1062	=cut	1494	=cut
1063		1495
1064	sub list_logins {	1496	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1498	or return [];
1067		1499
1068	my @logins;	1500	my @logins;
1069		1501
1070	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1074		1511
1075	utf8::decode $login;	1512	utf8::decode $login;
1076	push @logins, $login;	1513	push @logins, $login;
1077	}	1514	}
1078		1515
…		…
1105	}	1542	}
1106		1543
1107	\@paths	1544	\@paths
1108	}	1545	}
1109		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	# match a pod interior sequence sans C<< >>
		1558	(?:
		1559	\ (.*?)\ (?{ $group = $^N })
		1560	| < (??{$interior}) >
		1561	)
		1562	}x;
		1563
		1564	sub expand_cfpod {
		1565	my ($self, $pod) = @_;
		1566
		1567	my $xml;
		1568
		1569	while () {
		1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1571	$group = $1;
		1572
		1573	$group =~ s/&/&amp;/g;
		1574	$group =~ s/</&lt;/g;
		1575
		1576	$xml .= $group;
		1577	} elsif ($pod =~ m%\G
		1578	([BCGHITU])
		1579	<
		1580	(?:
		1581	([^<>]*) (?{ $group = $^N })
		1582	| < $interior >
		1583	)
		1584	>
		1585	%gcsx
		1586	) {
		1587	my ($code, $data) = ($1, $group);
		1588
		1589	if ($code eq "B") {
		1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1591	} elsif ($code eq "I") {
		1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1593	} elsif ($code eq "U") {
		1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1595	} elsif ($code eq "C") {
		1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1597	} elsif ($code eq "T") {
		1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1599	} elsif ($code eq "G") {
		1600	my ($male, $female) = split /\|/, $data;
		1601	$data = $self->gender ? $female : $male;
		1602	$xml .= expand_cfpod ($self, $data);
		1603	} elsif ($code eq "H") {
		1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1606	"")
		1607	[$self->{hintmode}];
		1608	} else {
		1609	$xml .= "error processing '$code($data)' directive";
		1610	}
		1611	} else {
		1612	if ($pod =~ /\G(.+)/) {
		1613	warn "parse error while expanding $pod (at $1)";
		1614	}
		1615	last;
		1616	}
		1617	}
		1618
		1619	for ($xml) {
		1620	# create single paragraphs (very hackish)
		1621	s/(?<=\S)\n(?=\w)/ /g;
		1622
		1623	# compress some whitespace
		1624	s/\s+\n/\n/g; # ws line-ends
		1625	s/\n\n+/\n/g; # double lines
		1626	s/^\n+//; # beginning lines
		1627	s/\n+$//; # ending lines
		1628	}
		1629
		1630	$xml
		1631	}
		1632
		1633	no re 'eval';
		1634
		1635	sub hintmode {
		1636	$_[0]{hintmode} = $_[1] if @_ > 1;
		1637	$_[0]{hintmode}
		1638	}
		1639
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1640	=item $player->ext_reply ($msgid, @msg)
1111		1641
1112	Sends an ext reply to the player.	1642	Sends an ext reply to the player.
1113		1643
1114	=cut	1644	=cut
1115		1645
1116	sub ext_reply($$$%) {	1646	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1647	my ($self, $id, @msg) = @_;
1118		1648
1119	$msg{msgid} = $id;	1649	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1650	}
1123		1651
1124	package cf;	1652	=item $player->ext_msg ($type, @msg)
		1653
		1654	Sends an ext event to the client.
		1655
		1656	=cut
		1657
		1658	sub ext_msg($$@) {
		1659	my ($self, $type, @msg) = @_;
		1660
		1661	$self->ns->ext_msg ($type, @msg);
		1662	}
		1663
		1664	=head3 cf::region
		1665
		1666	=over 4
		1667
		1668	=cut
		1669
		1670	package cf::region;
		1671
		1672	=item cf::region::find_by_path $path
		1673
		1674	Tries to decuce the likely region for a map knowing only its path.
		1675
		1676	=cut
		1677
		1678	sub find_by_path($) {
		1679	my ($path) = @_;
		1680
		1681	my ($match, $specificity);
		1682
		1683	for my $region (list) {
		1684	if ($region->{match} && $path =~ $region->{match}) {
		1685	($match, $specificity) = ($region, $region->specificity)
		1686	if $region->specificity > $specificity;
		1687	}
		1688	}
		1689
		1690	$match
		1691	}
1125		1692
1126	=back	1693	=back
1127
1128		1694
1129	=head3 cf::map	1695	=head3 cf::map
1130		1696
1131	=over 4	1697	=over 4
1132		1698
…		…
1187	my ($self, $merge) = @_;	1753	my ($self, $merge) = @_;
1188		1754
1189	# we have to keep some variables in memory intact	1755	# we have to keep some variables in memory intact
1190	local $self->{path};	1756	local $self->{path};
1191	local $self->{load_path};	1757	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1758
1195	$self->SUPER::thawer_merge ($merge);	1759	$self->SUPER::thawer_merge ($merge);
1196	}	1760	}
1197		1761
1198	sub normalise {	1762	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1809	$self->init; # pass $1 etc.
1246	return $self;	1810	return $self;
1247	}	1811	}
1248	}	1812	}
1249		1813
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1814	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1815	()
1252	}	1816	}
1253		1817
1254	sub init {	1818	sub init {
1255	my ($self) = @_;	1819	my ($self) = @_;
…		…
1270		1834
1271	# the original (read-only) location	1835	# the original (read-only) location
1272	sub load_path {	1836	sub load_path {
1273	my ($self) = @_;	1837	my ($self) = @_;
1274		1838
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1839	"$MAPDIR/$self->{path}.map"
1276	}	1840	}
1277		1841
1278	# the temporary/swap location	1842	# the temporary/swap location
1279	sub save_path {	1843	sub save_path {
1280	my ($self) = @_;	1844	my ($self) = @_;
1281		1845
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1847	"$TMPDIR/$path.map"
1284	}	1848	}
1285		1849
1286	# the unique path, undef == no special unique path	1850	# the unique path, undef == no special unique path
1287	sub uniq_path {	1851	sub uniq_path {
1288	my ($self) = @_;	1852	my ($self) = @_;
1289		1853
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1855	"$UNIQUEDIR/$path"
1292	}	1856	}
1293		1857
1294	# and all this just because we cannot iterate over	1858	# and all this just because we cannot iterate over
1295	# all maps in C++...	1859	# all maps in C++...
1296	sub change_all_map_light {	1860	sub change_all_map_light {
…		…
1298		1862
1299	$_->change_map_light ($change)	1863	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1864	for grep $_->outdoor, values %cf::MAP;
1301	}	1865	}
1302		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
1303	sub unlink_save {	1875	sub unlink_save {
1304	my ($self) = @_;	1876	my ($self) = @_;
1305		1877
1306	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1881	}
1315		1882
1316	sub load_header_from($) {	1883	sub load_header_from($) {
1317	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1318		1885
1319	utf8::encode $path;	1886	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1325		1895
1326	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1327		1897
1328	1	1898	1
1329	}	1899	}
…		…
1368	$self->load_header_orig	1938	$self->load_header_orig
1369	or return;	1939	or return;
1370	$self->prepare_orig;	1940	$self->prepare_orig;
1371	}	1941	}
1372		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1373	1	1949	1
1374	}	1950	}
1375		1951
1376	sub find;	1952	sub find;
1377	sub find {	1953	sub find {
1378	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1379		1955
1380	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1381		1957
		1958	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1959	cf::lock_wait "map_find:$path";
1383		1960
1384	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	1962	my $guard1 = cf::lock_acquire "map_find:$path";
		1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1964
1386	my $map = new_from_path cf::map $path	1965	my $map = new_from_path cf::map $path
1387	or return;	1966	or return;
1388		1967
1389	$map->{last_save} = $cf::RUNTIME;	1968	$map->{last_save} = $cf::RUNTIME;
1390		1969
1391	$map->load_header	1970	$map->load_header
1392	or return;	1971	or return;
1393		1972
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1974	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1975	#$cf::WAIT_FOR_TICK->wait;
		1976	undef $guard1;
		1977	undef $guard2;
1397	$map->reset;	1978	$map->reset;
1398	undef $guard;
1399	return find $path;	1979	return find $path;
1400	}	1980	}
1401		1981
1402	$cf::MAP{$path} = $map	1982	$cf::MAP{$path} = $map
1403	}	1983	}
…		…
1410	my ($self) = @_;	1990	my ($self) = @_;
1411		1991
1412	local $self->{deny_reset} = 1; # loading can take a long time	1992	local $self->{deny_reset} = 1; # loading can take a long time
1413		1993
1414	my $path = $self->{path};	1994	my $path = $self->{path};
		1995
		1996	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1997	my $guard = cf::lock_acquire "map_data:$path";
1416		1998
		1999	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2000	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2001
1419	$self->in_memory (cf::MAP_LOADING);	2002	$self->in_memory (cf::MAP_LOADING);
1420		2003
1421	$self->alloc;	2004	$self->alloc;
1422		2005
1423	$self->pre_load;	2006	$self->pre_load;
		2007	cf::cede_to_tick;
1424		2008
1425	$self->_load_objects ($self->{load_path}, 1)	2009	my $f = new_from_file cf::object::thawer $self->{load_path};
		2010	$f->skip_block;
		2011	$self->_load_objects ($f)
1426	or return;	2012	or return;
1427		2013
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	2015	if delete $self->{load_original};
1430		2016
1431	if (my $uniq = $self->uniq_path) {	2017	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2018	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2019	unless (aio_stat $uniq) {
		2020	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2021	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2022	$self->_load_objects ($f);
		2023	$f->resolve_delayed_derefs;
		2024	}
1436	}	2025	}
1437	}	2026	}
1438		2027
1439	Coro::cede;	2028	$f->resolve_delayed_derefs;
1440		2029
		2030	cf::cede_to_tick;
1441	# now do the right thing for maps	2031	# now do the right thing for maps
1442	$self->link_multipart_objects;	2032	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2033	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2034	unless $self->difficulty;
1452	Coro::cede;	2035	cf::cede_to_tick;
		2036
		2037	unless ($self->{deny_activate}) {
		2038	$self->decay_objects;
		2039	$self->fix_auto_apply;
		2040	$self->update_buttons;
		2041	cf::cede_to_tick;
		2042	$self->set_darkness_map;
		2043	cf::cede_to_tick;
1453	$self->activate;	2044	$self->activate;
		2045	}
		2046
		2047	$self->{last_save} = $cf::RUNTIME;
		2048	$self->last_access ($cf::RUNTIME);
		2049
		2050	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	2051	}
1455		2052
1456	$self->post_load;	2053	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2054	}
1460		2055
1461	sub customise_for {	2056	sub customise_for {
1462	my ($self, $ob) = @_;	2057	my ($self, $ob) = @_;
1463		2058
1464	return find "~" . $ob->name . "/" . $self->{path}	2059	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2060	if $self->per_player;
1466		2061
		2062	# return find "?party/" . $ob->name . "/" . $self->{path}
		2063	# if $self->per_party;
		2064
1467	$self	2065	$self
1468	}	2066	}
1469		2067
1470	# find and load all maps in the 3x3 area around a map	2068	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2069	sub load_neighbours {
1472	my ($map) = @_;	2070	my ($map) = @_;
1473		2071
1474	my @diag; # diagonal neighbours	2072	my @neigh; # diagonal neighbours
1475		2073
1476	for (0 .. 3) {	2074	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2075	my $neigh = $map->tile_path ($_)
1478	or next;	2076	or next;
1479	$neigh = find $neigh, $map	2077	$neigh = find $neigh, $map
1480	or next;	2078	or next;
1481	$neigh->load;	2079	$neigh->load;
1482		2080
		2081	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2084	}
1486		2085
1487	for (@diag) {	2086	for (grep defined $_->[0], @neigh) {
		2087	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2088	my $neigh = find $path, $origin
1489	or next;	2089	or next;
1490	$neigh->load;	2090	$neigh->load;
1491	}	2091	}
1492	}	2092	}
1493		2093
…		…
1498	}	2098	}
1499		2099
1500	sub do_load_sync {	2100	sub do_load_sync {
1501	my ($map) = @_;	2101	my ($map) = @_;
1502		2102
		2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2104	if $Coro::current == $Coro::main;
		2105
1503	cf::sync_job { $map->load };	2106	cf::sync_job { $map->load };
1504	}	2107	}
1505		2108
1506	our %MAP_PREFETCH;	2109	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2110	our $MAP_PREFETCHER = undef;
1508		2111
1509	sub find_async {	2112	sub find_async {
1510	my ($path, $origin) = @_;	2113	my ($path, $origin, $load) = @_;
1511		2114
1512	$path = normalise $path, $origin && $origin->{path};	2115	$path = normalise $path, $origin && $origin->{path};
1513		2116
1514	if (my $map = $cf::MAP{$path}) {	2117	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2119	}
1517		2120
1518	undef $MAP_PREFETCH{$path};	2121	$MAP_PREFETCH{$path} |= $load;
		2122
1519	$MAP_PREFETCHER ||= cf::async {	2123	$MAP_PREFETCHER ||= cf::async {
		2124	$Coro::current->{desc} = "map prefetcher";
		2125
1520	while (%MAP_PREFETCH) {	2126	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2127	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2128	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2129	$map->load if $v;
		2130	}
1525		2131
1526	delete $MAP_PREFETCH{$path};	2132	delete $MAP_PREFETCH{$k};
1527	}	2133	}
1528	}	2134	}
1529	undef $MAP_PREFETCHER;	2135	undef $MAP_PREFETCHER;
1530	};	2136	};
1531	$MAP_PREFETCHER->prio (6);	2137	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2140	}
1535		2141
1536	sub save {	2142	sub save {
1537	my ($self) = @_;	2143	my ($self) = @_;
1538		2144
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2146
1541	$self->{last_save} = $cf::RUNTIME;	2147	$self->{last_save} = $cf::RUNTIME;
1542		2148
1543	return unless $self->dirty;	2149	return unless $self->dirty;
1544		2150
…		…
1550	return if $self->{deny_save};	2156	return if $self->{deny_save};
1551		2157
1552	local $self->{last_access} = $self->last_access;#d#	2158	local $self->{last_access} = $self->last_access;#d#
1553		2159
1554	cf::async {	2160	cf::async {
		2161	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2162	$_->contr->save for $self->players;
1556	};	2163	};
1557		2164
1558	if ($uniq) {	2165	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1567	my ($self) = @_;	2174	my ($self) = @_;
1568		2175
1569	# save first because save cedes	2176	# save first because save cedes
1570	$self->save;	2177	$self->save;
1571		2178
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2180
1574	return if $self->players;	2181	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2183	return if $self->{deny_save};
1577		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2189	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2190	}
1581		2191
1582	sub reset_at {	2192	sub reset_at {
1583	my ($self) = @_;	2193	my ($self) = @_;
1584		2194
1585	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1588		2197
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2200
…		…
1602	my ($self) = @_;	2211	my ($self) = @_;
1603		2212
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2214
1606	return if $self->players;	2215	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2216
1609	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
		2218
		2219	$self->in_memory (cf::MAP_SWAPPED);
		2220
		2221	# need to save uniques path
		2222	unless ($self->{deny_save}) {
		2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2224
		2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2226	if $uniq;
		2227	}
1610		2228
1611	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1612		2230
1613	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2233	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2234
1618	$self->unlink_save;	2235	$self->unlink_save;
1619	$self->destroy;	2236	$self->destroy;
1620	}	2237	}
1621		2238
1622	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1623		2240
1624	sub nuke {	2241	sub nuke {
1625	my ($self) = @_;	2242	my ($self) = @_;
1626		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1627	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1628		2248
1629	$self->unlink_save;	2249	$self->unlink_save;
1630		2250
1631	bless $self, "cf::map";	2251	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2256
1637	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1638		2259
1639	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1640	}	2297	}
1641		2298
1642	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1643		2300
1644	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2302	instantiated unique items. May block.
1646		2303
1647	=cut	2304	=cut
1648		2305
1649	sub unique_maps() {	2306	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1651	or return;	2308	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2309	utf8::decode $_;
1657	next if /\.pst$/;	2310	/\.map$/
1658	next unless /^$PATH_SEP/o;	2311	? normalise $_
1659		2312	: ()
1660	push @paths, cf::map::normalise $_;	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2314	]
1662
1663	\@paths
1664	}	2315	}
1665		2316
1666	package cf;	2317	package cf;
1667		2318
1668	=back	2319	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2337	map { $_, inv_recursive_ $_->inv } @_
1687	}	2338	}
1688		2339
1689	sub inv_recursive {	2340	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
		2342	}
		2343
		2344	=item $ref = $ob->ref
		2345
		2346	creates and returns a persistent reference to an objetc that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
1691	}	2370	}
1692		2371
1693	package cf;	2372	package cf;
1694		2373
1695	=back	2374	=back
…		…
1714		2393
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2394	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2395
1717	if ($self->{record_replies}) {	2396	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2397	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2398
1719	} else {	2399	} else {
		2400	my $pl = $self->contr;
		2401
		2402	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2403	my $dialog = $pl->{npc_dialog};
		2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2405
		2406	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2407	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2408	$self->message ($msg, $flags);
		2409	}
1722	}	2410	}
		2411	}
		2412
		2413	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2414
		2415	=cut
		2416
		2417	sub cf::object::send_msg {
		2418	my $pl = shift->contr
		2419	or return;
		2420	$pl->send_msg (@_);
1723	}	2421	}
1724		2422
1725	=item $player_object->may ("access")	2423	=item $player_object->may ("access")
1726		2424
1727	Returns wether the given player is authorized to access resource "access"	2425	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2472	$self->deactivate_recursive;
1775		2473
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2474	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2475
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2477	if $self->map && $self->map->{path} ne "{link}";
1780		2478
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2480	}
1783		2481
1784	sub cf::object::player::leave_link {	2482	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2483	my ($self, $map, $x, $y) = @_;
		2484
		2485	return unless $self->contr->active;
1786		2486
1787	my $link_pos = delete $self->{_link_pos};	2487	my $link_pos = delete $self->{_link_pos};
1788		2488
1789	unless ($map) {	2489	unless ($map) {
1790	# restore original map position	2490	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2504	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2505	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2506	if $x <=0 && $y <= 0;
1807		2507
1808	$map->load;	2508	$map->load;
1809	$map->load_diag;	2509	$map->load_neighbours;
1810		2510
1811	return unless $self->contr->active;	2511	return unless $self->contr->active;
1812	$self->activate_recursive;	2512	$self->activate_recursive;
		2513
		2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2515	$self->enter_map ($map, $x, $y);
1814	}	2516	}
1815		2517
1816	cf::player->attach (	2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2519
1820	# abort map switching before logout	2520	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2521	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2522	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2523	the new (success) or old (failed) map position. In either case, $done will
1824	};	2524	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2525
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2526	=cut
		2527
		2528	our $GOTOGEN;
1851		2529
1852	sub cf::object::player::goto {	2530	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2531	my ($self, $path, $x, $y, $check, $done) = @_;
		2532
		2533	# do generation counting so two concurrent goto's will be executed in-order
		2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2535
1855	$self->enter_link;	2536	$self->enter_link;
1856		2537
1857	(async {	2538	(async {
		2539	$Coro::current->{desc} = "player::goto $path $x $y";
		2540
		2541	# *tag paths override both path and x|y
		2542	if ($path =~ /^\*(.*)$/) {
		2543	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2544	my $ob = $obs[rand @obs];
		2545
		2546	# see if we actually can go there
		2547	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2548	$ob = $obs[rand @obs];
		2549	} else {
		2550	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2551	}
		2552	# else put us there anyways for now #d#
		2553
		2554	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2555	} else {
		2556	($path, $x, $y) = (undef, undef, undef);
		2557	}
		2558	}
		2559
1858	my $map = eval {	2560	my $map = eval {
1859	my $map = cf::map::find $path;	2561	my $map = defined $path ? cf::map::find $path : undef;
		2562
		2563	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2564	$map = $map->customise_for ($self);
		2565	$map = $check->($map) if $check && $map;
		2566	} else {
		2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569
1861	$map	2570	$map
		2571	};
		2572
		2573	if ($@) {
		2574	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2575	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2576	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2577
		2578	if ($gen == $self->{_goto_generation}) {
		2579	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2580	$self->leave_link ($map, $x, $y);
		2581	}
		2582
		2583	$done->() if $done;
1866	})->prio (1);	2584	})->prio (1);
1867	}	2585	}
1868		2586
1869	=item $player_object->enter_exit ($exit_object)	2587	=item $player_object->enter_exit ($exit_object)
1870		2588
…		…
1909		2627
1910	$rmp->{random_seed} ||= $exit->random_seed;	2628	$rmp->{random_seed} ||= $exit->random_seed;
1911		2629
1912	my $data = cf::to_json $rmp;	2630	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2631	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2632	my $meta = "$RANDOMDIR/$md5.meta";
1915		2633
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2635	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2636	undef $fh;
1919	aio_rename "$meta~", $meta;	2637	aio_rename "$meta~", $meta;
…		…
1928		2646
1929	return unless $self->type == cf::PLAYER;	2647	return unless $self->type == cf::PLAYER;
1930		2648
1931	if ($exit->slaying eq "/!") {	2649	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2651	# the problem is that $exit might not survive long enough
		2652	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2653	cf::sync_job { prepare_random_map $exit };
1934	}	2654	}
1935		2655
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2657	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2658	my $sp = $exit->stats->sp;
1939		2659
1940	$self->enter_link;	2660	$self->enter_link;
1941		2661
		2662	# if exit is damned, update players death & WoR home-position
		2663	$self->contr->savebed ($slaying, $hp, $sp)
		2664	if $exit->flag (FLAG_DAMNED);
		2665
1942	(async {	2666	(async {
		2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2668
1943	$self->deactivate_recursive; # just to be sure	2669	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2670	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2671	$self->goto ($slaying, $hp, $sp);
1946		2672
1947	1;	2673	1;
1948	}) {	2674	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2675	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2676	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2677	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2678	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2679
1954	warn "ERROR in enter_exit: $@";	2680	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2681	$self->leave_link;
1956	}	2682	}
1957	})->prio (1);	2683	})->prio (1);
…		…
1970		2696
1971	sub cf::client::send_drawinfo {	2697	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2698	my ($self, $text, $flags) = @_;
1973		2699
1974	utf8::encode $text;	2700	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2702	}
1977		2703
		2704	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2705
		2706	Send a drawinfo or msg packet to the client, formatting the msg for the
		2707	client if neccessary. C<$type> should be a string identifying the type of
		2708	the message, with C<log> being the default. If C<$color> is negative, suppress
		2709	the message unless the client supports the msg packet.
		2710
		2711	=cut
		2712
		2713	# non-persistent channels (usually the info channel)
		2714	our %CHANNEL = (
		2715	"c/identify" => {
		2716	id => "infobox",
		2717	title => "Identify",
		2718	reply => undef,
		2719	tooltip => "Items recently identified",
		2720	},
		2721	"c/examine" => {
		2722	id => "infobox",
		2723	title => "Examine",
		2724	reply => undef,
		2725	tooltip => "Signs and other items you examined",
		2726	},
		2727	"c/book" => {
		2728	id => "infobox",
		2729	title => "Book",
		2730	reply => undef,
		2731	tooltip => "The contents of a note or book",
		2732	},
		2733	"c/lookat" => {
		2734	id => "infobox",
		2735	title => "Look",
		2736	reply => undef,
		2737	tooltip => "What you saw there",
		2738	},
		2739	"c/who" => {
		2740	id => "infobox",
		2741	title => "Players",
		2742	reply => undef,
		2743	tooltip => "Shows players who are currently online",
		2744	},
		2745	"c/body" => {
		2746	id => "infobox",
		2747	title => "Body Parts",
		2748	reply => undef,
		2749	tooltip => "Shows which body parts you posess and are available",
		2750	},
		2751	"c/uptime" => {
		2752	id => "infobox",
		2753	title => "Uptime",
		2754	reply => undef,
		2755	tooltip => "How long the server has been running since last restart",
		2756	},
		2757	"c/mapinfo" => {
		2758	id => "infobox",
		2759	title => "Map Info",
		2760	reply => undef,
		2761	tooltip => "Information related to the maps",
		2762	},
		2763	);
		2764
		2765	sub cf::client::send_msg {
		2766	my ($self, $channel, $msg, $color, @extra) = @_;
		2767
		2768	$msg = $self->pl->expand_cfpod ($msg);
		2769
		2770	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2771
		2772	# check predefined channels, for the benefit of C
		2773	if ($CHANNEL{$channel}) {
		2774	$channel = $CHANNEL{$channel};
		2775
		2776	$self->ext_msg (channel_info => $channel)
		2777	if $self->can_msg;
		2778
		2779	$channel = $channel->{id};
		2780
		2781	} elsif (ref $channel) {
		2782	# send meta info to client, if not yet sent
		2783	unless (exists $self->{channel}{$channel->{id}}) {
		2784	$self->{channel}{$channel->{id}} = $channel;
		2785	$self->ext_msg (channel_info => $channel)
		2786	if $self->can_msg;
		2787	}
		2788
		2789	$channel = $channel->{id};
		2790	}
		2791
		2792	return unless @extra || length $msg;
		2793
		2794	if ($self->can_msg) {
		2795	# default colour, mask it out
		2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2797	if $color & cf::NDI_DEF;
		2798
		2799	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2801	} else {
		2802	if ($color >= 0) {
		2803	# replace some tags by gcfclient-compatible ones
		2804	for ($msg) {
		2805	1 while
		2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2811	}
		2812
		2813	$color &= cf::NDI_COLOR_MASK;
		2814
		2815	utf8::encode $msg;
		2816
		2817	if (0 && $msg =~ /\[/) {
		2818	# COMMAND/INFO
		2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2820	} else {
		2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2822	$self->send_packet ("drawinfo $color $msg")
		2823	}
		2824	}
		2825	}
		2826	}
		2827
		2828	=item $client->ext_msg ($type, @msg)
		2829
		2830	Sends an ext event to the client.
		2831
		2832	=cut
		2833
		2834	sub cf::client::ext_msg($$@) {
		2835	my ($self, $type, @msg) = @_;
		2836
		2837	if ($self->extcmd == 2) {
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2839	} elsif ($self->extcmd == 1) { # TODO: remove
		2840	push @msg, msgtype => "event_$type";
		2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2842	}
		2843	}
		2844
		2845	=item $client->ext_reply ($msgid, @msg)
		2846
		2847	Sends an ext reply to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_reply($$@) {
		2852	my ($self, $id, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2856	} elsif ($self->extcmd == 1) {
		2857	#TODO: version 1, remove
		2858	unshift @msg, msgtype => "reply", msgid => $id;
		2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2860	}
		2861	}
1978		2862
1979	=item $success = $client->query ($flags, "text", \&cb)	2863	=item $success = $client->query ($flags, "text", \&cb)
1980		2864
1981	Queues a query to the client, calling the given callback with	2865	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2866	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2867	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2868
1985	Queries can fail, so check the return code. Or don't, as queries will become	2869	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2870	become reliable at some point in the future.
1987		2871
1988	=cut	2872	=cut
1989		2873
1990	sub cf::client::query {	2874	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2875	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2883	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2884	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2885
2002	$self->send_packet ($self->{query_queue}[0][0])	2886	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2887	if @{ $self->{query_queue} } == 1;
		2888
		2889	1
2004	}	2890	}
2005		2891
2006	cf::client->attach (	2892	cf::client->attach (
		2893	on_connect => sub {
		2894	my ($ns) = @_;
		2895
		2896	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2897	},
2007	on_reply => sub {	2898	on_reply => sub {
2008	my ($ns, $msg) = @_;	2899	my ($ns, $msg) = @_;
2009		2900
2010	# this weird shuffling is so that direct followup queries	2901	# this weird shuffling is so that direct followup queries
2011	# get handled first	2902	# get handled first
…		…
2023	} else {	2914	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2915	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2916	}
2026	}	2917	}
2027	},	2918	},
		2919	on_exticmd => sub {
		2920	my ($ns, $buf) = @_;
		2921
		2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2923
		2924	if (ref $msg) {
		2925	my ($type, $reply, @payload) =
		2926	"ARRAY" eq ref $msg
		2927	? @$msg
		2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2929
		2930	my @reply;
		2931
		2932	if (my $cb = $EXTICMD{$type}) {
		2933	@reply = $cb->($ns, @payload);
		2934	}
		2935
		2936	$ns->ext_reply ($reply, @reply)
		2937	if $reply;
		2938
		2939	} else {
		2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2941	}
		2942
		2943	cf::override;
		2944	},
2028	);	2945	);
2029		2946
2030	=item $client->async (\&cb)	2947	=item $client->async (\&cb)
2031		2948
2032	Create a new coroutine, running the specified callback. The coroutine will	2949	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2990	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2991	our $safe_hole = new Safe::Hole;
2075		2992
2076	$SIG{FPE} = 'IGNORE';	2993	$SIG{FPE} = 'IGNORE';
2077		2994
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2995	$safe->permit_only (Opcode::opset qw(
		2996	:base_core :base_mem :base_orig :base_math
		2997	grepstart grepwhile mapstart mapwhile
		2998	sort time
		2999	));
2079		3000
2080	# here we export the classes and methods available to script code	3001	# here we export the classes and methods available to script code
2081		3002
2082	=pod	3003	=pod
2083		3004
2084	The following fucntions and emthods are available within a safe environment:	3005	The following functions and methods are available within a safe environment:
2085		3006
2086	cf::object contr pay_amount pay_player map	3007	cf::object
		3008	contr pay_amount pay_player map x y force_find force_add destroy
		3009	insert remove name archname title slaying race decrease_ob_nr
		3010
2087	cf::object::player player	3011	cf::object::player
2088	cf::player peaceful	3012	player
2089	cf::map trigger	3013
		3014	cf::player
		3015	peaceful
		3016
		3017	cf::map
		3018	trigger
2090		3019
2091	=cut	3020	=cut
2092		3021
2093	for (	3022	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3024	insert remove inv name archname title slaying race
		3025	decrease_ob_nr destroy)],
2095	["cf::object::player" => qw(player)],	3026	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3027	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3028	["cf::map" => qw(trigger)],
2098	) {	3029	) {
2099	no strict 'refs';	3030	no strict 'refs';
…		…
2170	=back	3101	=back
2171		3102
2172	=cut	3103	=cut
2173		3104
2174	#############################################################################	3105	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3106	# the server's init and main functions
2284		3107
2285	sub load_resources {	3108	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3109	my ($path) = @_;
		3110
		3111	# HACK to clear player env face cache, we need some signal framework
		3112	# for this (global event?)
		3113	%ext::player_env::MUSIC_FACE_CACHE = ();
		3114
		3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3116
		3117	warn "loading facedata from $path\n";
		3118
		3119	my $facedata;
		3120	0 < aio_load $path, $facedata
		3121	or die "$path: $!";
		3122
		3123	$facedata = Coro::Storable::thaw $facedata;
		3124
		3125	$facedata->{version} == 2
		3126	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3127
		3128	# patch in the exptable
		3129	$facedata->{resource}{"res/exp_table"} = {
		3130	type => FT_RSRC,
		3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3132	};
		3133	cf::cede_to_tick;
		3134
		3135	{
		3136	my $faces = $facedata->{faceinfo};
		3137
		3138	while (my ($face, $info) = each %$faces) {
		3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3140	cf::face::set_visibility $idx, $info->{visibility};
		3141	cf::face::set_magicmap $idx, $info->{magicmap};
		3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3144
		3145	cf::cede_to_tick;
		3146	}
		3147
		3148	while (my ($face, $info) = each %$faces) {
		3149	next unless $info->{smooth};
		3150	my $idx = cf::face::find $face
		3151	or next;
		3152	if (my $smooth = cf::face::find $info->{smooth}) {
		3153	cf::face::set_smooth $idx, $smooth;
		3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3155	} else {
		3156	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3157	}
		3158
		3159	cf::cede_to_tick;
		3160	}
		3161	}
		3162
		3163	{
		3164	my $anims = $facedata->{animinfo};
		3165
		3166	while (my ($anim, $info) = each %$anims) {
		3167	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3168	cf::cede_to_tick;
		3169	}
		3170
		3171	cf::anim::invalidate_all; # d'oh
		3172	}
		3173
		3174	{
		3175	# TODO: for gcfclient pleasure, we should give resources
		3176	# that gcfclient doesn't grok a >10000 face index.
		3177	my $res = $facedata->{resource};
		3178
		3179	my $soundconf = delete $res->{"res/sound.conf"};
		3180
		3181	while (my ($name, $info) = each %$res) {
		3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3183	my $data;
		3184
		3185	if ($info->{type} & 1) {
		3186	# prepend meta info
		3187
		3188	my $meta = $enc->encode ({
		3189	name => $name,
		3190	%{ $info->{meta} || {} },
		3191	});
		3192
		3193	$data = pack "(w/a*)*", $meta, $info->{data};
		3194	} else {
		3195	$data = $info->{data};
		3196	}
		3197
		3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3199	cf::face::set_type $idx, $info->{type};
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203
		3204	if ($soundconf) {
		3205	$soundconf = $enc->decode (delete $soundconf->{data});
		3206
		3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3208	my $sound = $soundconf->{compat}[$_]
		3209	or next;
		3210
		3211	my $face = cf::face::find "sound/$sound->[1]";
		3212	cf::sound::set $sound->[0] => $face;
		3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3214	}
		3215
		3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3217	my $face = cf::face::find "sound/$v";
		3218	cf::sound::set $k => $face;
		3219	}
		3220	}
		3221	}
		3222
		3223	1
		3224	}
		3225
		3226	register_exticmd fx_want => sub {
		3227	my ($ns, $want) = @_;
		3228
		3229	while (my ($k, $v) = each %$want) {
		3230	$ns->fx_want ($k, $v);
		3231	}
		3232	};
		3233
		3234	sub reload_regions {
		3235	# HACK to clear player env face cache, we need some signal framework
		3236	# for this (global event?)
		3237	%ext::player_env::MUSIC_FACE_CACHE = ();
		3238
		3239	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3240	or die "unable to load regions file\n";
2288	}
2289		3241
2290	sub cfg_load {	3242	for (cf::region::list) {
		3243	$_->{match} = qr/$_->{match}/
		3244	if exists $_->{match};
		3245	}
		3246	}
		3247
		3248	sub reload_facedata {
		3249	load_facedata "$DATADIR/facedata"
		3250	or die "unable to load facedata\n";
		3251	}
		3252
		3253	sub reload_archetypes {
		3254	load_resource_file "$DATADIR/archetypes"
		3255	or die "unable to load archetypes\n";
		3256	#d# NEED to laod twice to resolve forward references
		3257	# this really needs to be done in an extra post-pass
		3258	# (which needs to be synchronous, so solve it differently)
		3259	load_resource_file "$DATADIR/archetypes"
		3260	or die "unable to load archetypes\n";
		3261	}
		3262
		3263	sub reload_treasures {
		3264	load_resource_file "$DATADIR/treasures"
		3265	or die "unable to load treasurelists\n";
		3266	}
		3267
		3268	sub reload_resources {
		3269	warn "reloading resource files...\n";
		3270
		3271	reload_regions;
		3272	reload_facedata;
		3273	#reload_archetypes;#d#
		3274	reload_archetypes;
		3275	reload_treasures;
		3276
		3277	warn "finished reloading resource files\n";
		3278	}
		3279
		3280	sub init {
		3281	reload_resources;
		3282	}
		3283
		3284	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3285	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3286	or return;
2293		3287
2294	local $/;	3288	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3289	*CFG = YAML::Syck::Load <$fh>;
2296		3290
…		…
2306	};	3300	};
2307	warn $@ if $@;	3301	warn $@ if $@;
2308	}	3302	}
2309	}	3303	}
2310		3304
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3305	sub main {
2316	# we must not ever block the main coroutine	3306	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3307	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3309	(async {
		3310	$Coro::current->{desc} = "IDLE BUG HANDLER";
2320	Event::one_event;	3311	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3312	})->prio (Coro::PRIO_MAX);
2322	};	3313	};
2323		3314
2324	cfg_load;	3315	reload_config;
2325	db_load;	3316	db_init;
2326	load_extensions;	3317	load_extensions;
2327		3318
2328	$TICK_WATCHER->start;	3319	$TICK_WATCHER->start;
2329	Event::loop;	3320	Event::loop;
2330	}	3321	}
…		…
2345	},	3336	},
2346	);	3337	);
2347	}	3338	}
2348	}	3339	}
2349		3340
		3341	sub write_runtime {
		3342	my $runtime = "$LOCALDIR/runtime";
		3343
		3344	# first touch the runtime file to show we are still running:
		3345	# the fsync below can take a very very long time.
		3346
		3347	IO::AIO::aio_utime $runtime, undef, undef;
		3348
		3349	my $guard = cf::lock_acquire "write_runtime";
		3350
		3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3352	or return;
		3353
		3354	my $value = $cf::RUNTIME + 90 + 10;
		3355	# 10 is the runtime save interval, for a monotonic clock
		3356	# 60 allows for the watchdog to kill the server.
		3357
		3358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3359	and return;
		3360
		3361	# always fsync - this file is important
		3362	aio_fsync $fh
		3363	and return;
		3364
		3365	# touch it again to show we are up-to-date
		3366	aio_utime $fh, undef, undef;
		3367
		3368	close $fh
		3369	or return;
		3370
		3371	aio_rename "$runtime~", $runtime
		3372	and return;
		3373
		3374	warn "runtime file written.\n";
		3375
		3376	1
		3377	}
		3378
2350	sub emergency_save() {	3379	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3380	my $freeze_guard = cf::freeze_mainloop;
2352		3381
2353	warn "enter emergency perl save\n";	3382	warn "enter emergency perl save\n";
2354		3383
…		…
2358	# and maps saved/destroyed asynchronously.	3387	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3388	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3389	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3390	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3391	$pl->valid or next;
		3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3393	$pl->save;
2364	}	3394	}
2365	warn "end emergency player save\n";	3395	warn "end emergency player save\n";
2366		3396
2367	warn "begin emergency map save\n";	3397	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3399	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3400	$map->valid or next;
2371	$map->save;	3401	$map->save;
2372	}	3402	}
2373	warn "end emergency map save\n";	3403	warn "end emergency map save\n";
		3404
		3405	warn "begin emergency database checkpoint\n";
		3406	BDB::db_env_txn_checkpoint $DB_ENV;
		3407	warn "end emergency database checkpoint\n";
2374	};	3408	};
2375		3409
2376	warn "leave emergency perl save\n";	3410	warn "leave emergency perl save\n";
2377	}	3411	}
2378		3412
		3413	sub post_cleanup {
		3414	my ($make_core) = @_;
		3415
		3416	warn Carp::longmess "post_cleanup backtrace"
		3417	if $make_core;
		3418	}
		3419
2379	sub reload() {	3420	sub do_reload_perl() {
2380	# can/must only be called in main	3421	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3422	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3423	warn "can only reload from main coroutine";
2383	return;	3424	return;
2384	}	3425	}
2385		3426
2386	warn "reloading...";	3427	warn "reloading...";
2387		3428
2388	warn "cancelling server ticker";	3429	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3430
		3431	cf::sync_job {
		3432	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3433	cf::emergency_save;
		3434	cf::write_runtime; # external watchdog should not bark
2392		3435
2393	eval {	3436	warn "syncing database to disk";
		3437	BDB::db_env_txn_checkpoint $DB_ENV;
		3438
2394	# if anything goes wrong in here, we should simply crash as we already saved	3439	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3440
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3441	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3442	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3443	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3444	}
2403		3445
2404	warn "flushing outstanding aio requests";	3446	warn "flushing outstanding aio requests";
2405	for (;;) {	3447	for (;;) {
		3448	BDB::flush;
2406	IO::AIO::flush;	3449	IO::AIO::flush;
2407	Coro::cede;	3450	Coro::cede_notself;
2408	last unless IO::AIO::nreqs;	3451	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3452	warn "iterate...";
2410	}	3453	}
		3454
		3455	++$RELOAD;
2411		3456
2412	warn "cancelling all extension coros";	3457	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3458	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3459	%EXT_CORO = ();
2415		3460
2416	warn "removing commands";	3461	warn "removing commands";
2417	%COMMAND = ();	3462	%COMMAND = ();
2418		3463
2419	warn "removing ext commands";	3464	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3465	%EXTCMD = ();
		3466	%EXTICMD = ();
2421		3467
2422	warn "unloading/nuking all extensions";	3468	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3469	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3470	warn "... unloading $pkg";
2425		3471
…		…
2455	Symbol::delete_package "safe::$_"	3501	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3503
2458	warn "unloading cf.pm \"a bit\"";	3504	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3505	delete $INC{"cf.pm"};
		3506	delete $INC{"cf/pod.pm"};
2460		3507
2461	# don't, removes xs symbols, too,	3508	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3509	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3510	#Symbol::delete_package __PACKAGE__;
2464		3511
…		…
2467	warn "reloading cf.pm";	3514	warn "reloading cf.pm";
2468	require cf;	3515	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3517
2471	warn "loading config and database again";	3518	warn "loading config and database again";
2472	cf::cfg_load;	3519	cf::reload_config;
2473	cf::db_load;
2474		3520
2475	warn "loading extensions";	3521	warn "loading extensions";
2476	cf::load_extensions;	3522	cf::load_extensions;
2477		3523
2478	warn "reattaching attachments to objects/players";	3524	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3525	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3526	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3527	reattach $_ for values %MAP;
		3528	warn "reattaching attachments to players";
		3529	reattach $_ for values %PLAYER;
2482		3530
2483	warn "loading reloadable resources";	3531	warn "leaving sync_job";
2484	load_resources;
2485		3532
2486	warn "restarting server ticker";	3533	1
2487		3534	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3535	warn $@;
2493	warn "error while reloading, exiting.";	3536	warn "error while reloading, exiting.";
2494	exit 1;	3537	exit 1;
2495	}	3538	};
2496		3539
2497	warn "reloaded";	3540	warn "reloaded";
2498	};	3541	};
2499		3542
2500	our $RELOAD_WATCHER; # used only during reload	3543	our $RELOAD_WATCHER; # used only during reload
2501		3544
		3545	sub reload_perl() {
		3546	# doing reload synchronously and two reloads happen back-to-back,
		3547	# coro crashes during coro_state_free->destroy here.
		3548
		3549	$RELOAD_WATCHER ||= Event->timer (
		3550	reentrant => 0,
		3551	after => 0,
		3552	data => WF_AUTOCANCEL,
		3553	cb => sub {
		3554	do_reload_perl;
		3555	undef $RELOAD_WATCHER;
		3556	},
		3557	);
		3558	}
		3559
2502	register_command "reload" => sub {	3560	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2504		3562
2505	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2507		3565	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3567	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3568	};
2520	}	3569	}
2521	};	3570	};
2522		3571
2523	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2524		3573
2525	my $bug_warning = 0;	3574	my $bug_warning = 0;
		3575
		3576	our @WAIT_FOR_TICK;
		3577	our @WAIT_FOR_TICK_BEGIN;
		3578
		3579	sub wait_for_tick {
		3580	return unless $TICK_WATCHER->is_active;
		3581	return if $Coro::current == $Coro::main;
		3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
2526		3596
2527	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3598	reentrant => 0,
2529	parked => 1,	3599	parked => 1,
2530	prio => 0,	3600	prio => 0,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3606	unless ++$bug_warning > 10;
2537	return;	3607	return;
2538	}	3608	}
2539		3609
2540	$NOW = Event::time;	3610	$NOW = $tick_start = Event::time;
2541		3611
2542	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
		3613
2543	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3615	$NEXT_TICK += $TICK;
2545		3616
2546	$WAIT_FOR_TICK->broadcast;	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3618	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3619	Coro::async_pool {
2549	Event::sweep;	3620	$Coro::current->{desc} = "runtime saver";
2550	Coro::cede_notself;	3621	write_runtime
		3622	or warn "ERROR: unable to write runtime file: $!";
		3623	};
2551		3624	}
2552	# my $AFTER = Event::time;	3625
2553	# warn $AFTER - $NOW;#d#	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3627	$sig->send;
		3628	}
		3629	while (my $sig = shift @WAIT_FOR_TICK) {
		3630	$sig->send;
		3631	}
		3632
		3633	$NOW = Event::time;
2554		3634
2555	# if we are delayed by four ticks or more, skip them all	3635	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3637
2558	$TICK_WATCHER->at ($NEXT_TICK);	3638	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3639	$TICK_WATCHER->start;
		3640
		3641	$LOAD = ($NOW - $tick_start) / $TICK;
		3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3643
		3644	_post_tick;
2560	},	3645	},
2561	);	3646	);
2562		3647
2563	{	3648	{
		3649	BDB::min_parallel 8;
2564	BDB::max_poll_time $TICK * 0.1;	3650	BDB::max_poll_time $TICK * 0.1;
2565	$BDB_POLL_WATCHER = Event->io (	3651	$BDB_POLL_WATCHER = Event->io (
2566	reentrant => 0,	3652	reentrant => 0,
2567	fd => BDB::poll_fileno,	3653	fd => BDB::poll_fileno,
2568	poll => 'r',	3654	poll => 'r',
2569	prio => 0,	3655	prio => 0,
2570	data => WF_AUTOCANCEL,	3656	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,	3657	cb => \&BDB::poll_cb,
2572	);	3658	);
2573	BDB::min_parallel 8;
2574		3659
2575	BDB::set_sync_prepare {	3660	BDB::set_sync_prepare {
2576	my $status;	3661	my $status;
2577	my $current = $Coro::current;	3662	my $current = $Coro::current;
2578	(	3663	(
…		…
2587	)	3672	)
2588	};	3673	};
2589		3674
2590	unless ($DB_ENV) {	3675	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3676	$DB_ENV = BDB::db_env_create;
		3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3678	| BDB::LOG_AUTOREMOVE, 1);
		3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3681
2593	cf::sync_job {	3682	cf::sync_job {
		3683	eval {
2594	BDB::db_env_open	3684	BDB::db_env_open
2595	$DB_ENV,	3685	$DB_ENV,
2596	$BDB_ENV_DIR,	3686	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3687	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3688	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3689	0666;
2600		3690
2601	cf::cleanup "$!" if $!;	3691	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3692	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3693
2604	$DB_ENV->set_lk_detect;	3694	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3695	};
2606	}	3696	}
		3697
		3698	$BDB_DEADLOCK_WATCHER = Event->timer (
		3699	after => 3,
		3700	interval => 1,
		3701	hard => 1,
		3702	prio => 0,
		3703	data => WF_AUTOCANCEL,
		3704	cb => sub {
		3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3706	},
		3707	);
		3708	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3709	after => 11,
		3710	interval => 60,
		3711	hard => 1,
		3712	prio => 0,
		3713	data => WF_AUTOCANCEL,
		3714	cb => sub {
		3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3716	},
		3717	);
		3718	$BDB_TRICKLE_WATCHER = Event->timer (
		3719	after => 5,
		3720	interval => 10,
		3721	hard => 1,
		3722	prio => 0,
		3723	data => WF_AUTOCANCEL,
		3724	cb => sub {
		3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3726	},
		3727	);
2607	}	3728	}
2608		3729
2609	{	3730	{
2610	IO::AIO::min_parallel 8;	3731	IO::AIO::min_parallel 8;
2611		3732
2612	undef $Coro::AIO::WATCHER;	3733	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3734	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3735	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3736	reentrant => 0,
		3737	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3738	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3739	poll => 'r',
2618	prio => 6,	3740	prio => 0,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3741	cb => \&IO::AIO::poll_cb,
2621	);	3742	);
2622	}	3743	}
2623		3744
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3745	my $_log_backtrace;
2625	reentrant => 0,	3746
2626	data => WF_AUTOCANCEL,	3747	sub _log_backtrace {
2627	after => 1,	3748	my ($msg, @addr) = @_;
2628	interval => 10,	3749
2629	prio => 6, # keep it lowest so it acts like a watchdog	3750	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3751
2631	write_runtime	3752	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3753	if ($_log_backtrace < 2) {
		3754	++$_log_backtrace;
		3755	async {
		3756	$Coro::current->{desc} = "abt $msg";
		3757
		3758	my @bt = fork_call {
		3759	@addr = map { sprintf "%x", $_ } @addr;
		3760	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3761	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3762	or die "addr2line: $!";
		3763
		3764	my @funcs;
		3765	my @res = <$fh>;
		3766	chomp for @res;
		3767	while (@res) {
		3768	my ($func, $line) = splice @res, 0, 2, ();
		3769	push @funcs, "[$func] $line";
		3770	}
		3771
		3772	@funcs
		3773	};
		3774
		3775	LOG llevInfo, "[ABT] $msg\n";
		3776	LOG llevInfo, "[ABT] $_\n" for @bt;
		3777	--$_log_backtrace;
		3778	};
		3779	} else {
		3780	LOG llevInfo, "[ABT] $msg\n";
		3781	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3782	}
2634	);	3783	}
		3784
		3785	# load additional modules
		3786	use cf::pod;
2635		3787
2636	END { cf::emergency_save }	3788	END { cf::emergency_save }
2637		3789
2638	1	3790	1
2639		3791

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