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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 1.386 by root, Mon Oct 15 17:50:27 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 Crossfire TRT 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 Crossfire TRT 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) {
326	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
327	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
328		458
329	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
330	} else {	460	} else {
331	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
332		462
…		…
352	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
353		483
354	$coro	484	$coro
355	}	485	}
356		486
357	sub write_runtime {	487	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		488
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
361	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
362		493
363	my $value = $cf::RUNTIME + 90 + 10;	494	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		495
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	496	sub fork_call(&@) {
368	and return;	497	my ($cb, @args) = @_;
369		498
370	# always fsync - this file is important	499	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	500	# otherwise perl prematurely frees the stuff :/
372	and return;	501	# TODO: investigate and fix (likely this will be rather laborious)
373		502
374	close $fh	503	my @res = Coro::Util::fork_eval {
375	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
376		507
377	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
378	and return;	509	}
379		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
380	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	647	}
382		648
383	=back	649	=back
384		650
385	=cut	651	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
394		660
395	In the following description, CLASS can be any of C<global>, C<object>	661	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	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	663	Crossfire TRT).
398		664
399	=over 4	665	=over 4
400		666
401	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
402		668
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
566		832
567	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		837
572	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	839	my $pkg = shift @arg;
574		840
575	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
605	}	871	}
606		872
607	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
608	} else {	874	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	876	}
611		877
612	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
613	}	879	}
614		880
…		…
616	if (ref $_[0]) {	882	if (ref $_[0]) {
617	_object_attach @_;	883	_object_attach @_;
618	} else {	884	} else {
619	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
620	}	886	}
		887	_recalc_want;
621	};	888	};
622		889
623	# all those should be optimised	890	# all those should be optimised
624	sub cf::attachable::detach {	891	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
629	reattach ($obj);	896	reattach ($obj);
630	} else {	897	} else {
631	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
632	}	899	}
		900	_recalc_want;
633	};	901	};
634		902
635	sub cf::attachable::attached {	903	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
637		905
…		…
652	";	920	";
653	die if $@;	921	die if $@;
654	}	922	}
655		923
656	our $override;	924	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		926
659	sub override {	927	sub override {
660	$override = 1;	928	$override = 1;
661	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
662	}	930	}
663		931
664	sub do_invoke {	932	sub do_invoke {
665	my $event = shift;	933	my $event = shift;
666	my $callbacks = shift;	934	my $callbacks = shift;
667		935
668	@invoke_results = ();	936	@INVOKE_RESULTS = ();
669		937
670	local $override;	938	local $override;
671		939
672	for (@$callbacks) {	940	for (@$callbacks) {
673	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
690		958
691	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
692		960
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	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	962	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		964
697	=back	965	=back
698		966
699	=cut	967	=cut
700		968
701	#############################################################################	969	#############################################################################
702	# object support	970	# object support
		971
		972	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
703		1013
704	sub reattach {	1014	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1016	my ($obj) = @_;
707		1017
…		…
754	sub object_freezer_save {	1064	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
756		1066
757	sync_job {	1067	sync_job {
758	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
761		1072
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1076	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1077	close $fh;
767		1078
768	if (@$objs) {	1079	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1084	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1085	close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
776	}	1087	}
…		…
784	}	1095	}
785	} else {	1096	} else {
786	aio_unlink $filename;	1097	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
788	}	1099	}
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	}	1100	};
796	}	1101	}
797		1102
798	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
800		1105
…		…
805		1110
806	sub object_thawer_load {	1111	sub object_thawer_load {
807	my ($filename) = @_;	1112	my ($filename) = @_;
808		1113
809	my ($data, $av);	1114	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1115
814	(aio_load $filename, $data) >= 0	1116	(aio_load $filename, $data) >= 0
815	or return;	1117	or return;
816		1118
817	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
819	or return;	1121	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };
821	}
822		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
825	return ($data, $av);	1132	($data, $av)
826	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
827		1140
828	#############################################################################	1141	#############################################################################
829	# command handling &c	1142	# command handling &c
830		1143
831	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1158	}
846		1159
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1161
849	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
850		1167
851	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
852	called.	1169	called.
853		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
854	=cut	1182	=cut
855		1183
856	sub register_extcmd {	1184	sub register_extcmd {
857	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
858		1186
859	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
860	}	1194	}
861		1195
862	cf::player->attach (	1196	cf::player->attach (
863	on_command => sub {	1197	on_command => sub {
864	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1207	cf::override;
874	},	1208	},
875	on_extcmd => sub {	1209	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
877		1211
878	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1213
880	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
886	} else {	1229	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1231	}
889		1232
890	cf::override;	1233	cf::override;
891	},	1234	},
892	);	1235	);
893		1236
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 {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
929	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1242	next unless -r $path;
931	eval {	1243
932	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
933	1	1301	}
934	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
935	}	1307	};
936	}	1308	}
937		1309
938	#############################################################################	1310	#############################################################################
939		1311
		1312	=back
		1313
940	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
941		1315
942	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
943		1317
944	=cut	1318	=cut
…		…
949		1323
950	=head3 cf::player	1324	=head3 cf::player
951		1325
952	=over 4	1326	=over 4
953		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
		1341
954	=item cf::player::find $login	1342	=item cf::player::find $login
955		1343
956	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
957		1345
958	=cut	1346	=cut
959		1347
960	sub playerdir($) {	1348	sub playerdir($) {
961	cf::localdir	1349	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1350	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1351	}
967		1352
968	sub path($) {	1353	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1354	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1355
971	(playerdir $login) . "/$login.pl"	1356	(playerdir $login) . "/playerdata"
972	}	1357	}
973		1358
974	sub find_active($) {	1359	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1360	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1361	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1374	my $login = $_[0];
990		1375
991	my $guard = cf::lock_acquire "user_find:$login";	1376	my $guard = cf::lock_acquire "user_find:$login";
992		1377
993	$cf::PLAYER{$_[0]} || do {	1378	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1379	# rename old playerfiles to new ones
		1380	#TODO: remove when no longer required
		1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1384	aio_unlink +(playerdir $login) . "/$login.pl";
		1385
		1386	my $f = new_from_file cf::object::thawer path $login
995	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
997	}	1394	}
998	}	1395	}
999	}	1396	}
1000		1397
…		…
1010		1407
1011	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1013		1410
1014	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1015	Coro::cede;	1412	cf::cede_to_tick;
1016	}	1413	}
1017		1414
1018	sub new($) {	1415	sub new($) {
1019	my ($login) = @_;	1416	my ($login) = @_;
1020		1417
…		…
1026	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1027		1424
1028	$self	1425	$self
1029	}	1426	}
1030		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
		1436	}
		1437
1031	=item $pl->quit_character	1438	=item $pl->quit_character
1032		1439
1033	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1441	be destroyed. May block for a long time.
1035		1442
1036	=cut	1443	=cut
1037		1444
1038	sub quit_character {	1445	sub quit_character {
1039	my ($pl) = @_;	1446	my ($pl) = @_;
		1447
		1448	my $name = $pl->ob->name;
1040		1449
1041	$pl->{deny_save} = 1;	1450	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1451	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1452
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1458	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1459	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1460	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1461	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1462	$pl->destroy;
		1463
		1464	my $prefix = qr<^~\Q$name\E/>;
		1465
		1466	# nuke player maps
		1467	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1468
1054	IO::AIO::aio_rmtree $temp;	1469	IO::AIO::aio_rmtree $temp;
		1470	}
		1471
		1472	=item $pl->kick
		1473
		1474	Kicks a player out of the game. This destroys the connection.
		1475
		1476	=cut
		1477
		1478	sub kick {
		1479	my ($pl, $kicker) = @_;
		1480
		1481	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1482	$pl->killer ("kicked");
		1483	$pl->ns->destroy;
1055	}	1484	}
1056		1485
1057	=item cf::player::list_logins	1486	=item cf::player::list_logins
1058		1487
1059	Returns am arrayref of all valid playernames in the system, can take a	1488	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1489	while and may block, so not sync_job-capable, ever.
1061		1490
1062	=cut	1491	=cut
1063		1492
1064	sub list_logins {	1493	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1494	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1495	or return [];
1067		1496
1068	my @logins;	1497	my @logins;
1069		1498
1070	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1074		1508
1075	utf8::decode $login;	1509	utf8::decode $login;
1076	push @logins, $login;	1510	push @logins, $login;
1077	}	1511	}
1078		1512
…		…
1105	}	1539	}
1106		1540
1107	\@paths	1541	\@paths
1108	}	1542	}
1109		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1111		1596
1112	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1113		1598
1114	=cut	1599	=cut
1115		1600
1116	sub ext_reply($$$%) {	1601	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1118		1603
1119	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1605	}
1123		1606
1124	package cf;	1607	=item $player->ext_msg ($type, @msg)
		1608
		1609	Sends an ext event to the client.
		1610
		1611	=cut
		1612
		1613	sub ext_msg($$@) {
		1614	my ($self, $type, @msg) = @_;
		1615
		1616	$self->ns->ext_msg ($type, @msg);
		1617	}
		1618
		1619	=head3 cf::region
		1620
		1621	=over 4
		1622
		1623	=cut
		1624
		1625	package cf::region;
		1626
		1627	=item cf::region::find_by_path $path
		1628
		1629	Tries to decuce the likely region for a map knowing only its path.
		1630
		1631	=cut
		1632
		1633	sub find_by_path($) {
		1634	my ($path) = @_;
		1635
		1636	my ($match, $specificity);
		1637
		1638	for my $region (list) {
		1639	if ($region->{match} && $path =~ $region->{match}) {
		1640	($match, $specificity) = ($region, $region->specificity)
		1641	if $region->specificity > $specificity;
		1642	}
		1643	}
		1644
		1645	$match
		1646	}
1125		1647
1126	=back	1648	=back
1127
1128		1649
1129	=head3 cf::map	1650	=head3 cf::map
1130		1651
1131	=over 4	1652	=over 4
1132		1653
…		…
1187	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1188		1709
1189	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1190	local $self->{path};	1711	local $self->{path};
1191	local $self->{load_path};	1712	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1713
1195	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1196	}	1715	}
1197		1716
1198	sub normalise {	1717	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1246	return $self;	1765	return $self;
1247	}	1766	}
1248	}	1767	}
1249		1768
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1770	()
1252	}	1771	}
1253		1772
1254	sub init {	1773	sub init {
1255	my ($self) = @_;	1774	my ($self) = @_;
…		…
1270		1789
1271	# the original (read-only) location	1790	# the original (read-only) location
1272	sub load_path {	1791	sub load_path {
1273	my ($self) = @_;	1792	my ($self) = @_;
1274		1793
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1794	"$MAPDIR/$self->{path}.map"
1276	}	1795	}
1277		1796
1278	# the temporary/swap location	1797	# the temporary/swap location
1279	sub save_path {	1798	sub save_path {
1280	my ($self) = @_;	1799	my ($self) = @_;
1281		1800
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1802	"$TMPDIR/$path.map"
1284	}	1803	}
1285		1804
1286	# the unique path, undef == no special unique path	1805	# the unique path, undef == no special unique path
1287	sub uniq_path {	1806	sub uniq_path {
1288	my ($self) = @_;	1807	my ($self) = @_;
1289		1808
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1810	"$UNIQUEDIR/$path"
1292	}	1811	}
1293		1812
1294	# and all this just because we cannot iterate over	1813	# and all this just because we cannot iterate over
1295	# all maps in C++...	1814	# all maps in C++...
1296	sub change_all_map_light {	1815	sub change_all_map_light {
…		…
1298		1817
1299	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1301	}	1820	}
1302		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1303	sub unlink_save {	1830	sub unlink_save {
1304	my ($self) = @_;	1831	my ($self) = @_;
1305		1832
1306	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1835	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	}	1836	}
1315		1837
1316	sub load_header_from($) {	1838	sub load_header_from($) {
1317	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1318		1840
1319	utf8::encode $path;	1841	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1843	or return;
		1844
		1845	$self->_load_header ($f)
		1846	or return;
		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
1325		1850
1326	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1327		1852
1328	1	1853	1
1329	}	1854	}
…		…
1368	$self->load_header_orig	1893	$self->load_header_orig
1369	or return;	1894	or return;
1370	$self->prepare_orig;	1895	$self->prepare_orig;
1371	}	1896	}
1372		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
		1901	$self->default_region (cf::region::find_by_path $self->{path})
		1902	unless $self->default_region;
		1903
1373	1	1904	1
1374	}	1905	}
1375		1906
1376	sub find;	1907	sub find;
1377	sub find {	1908	sub find {
1378	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1379		1910
1380	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1381		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1383		1915
1384	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1386	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1387	or return;	1921	or return;
1388		1922
1389	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1390		1924
1391	$map->load_header	1925	$map->load_header
1392	or return;	1926	or return;
1393		1927
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1397	$map->reset;	1933	$map->reset;
1398	undef $guard;
1399	return find $path;	1934	return find $path;
1400	}	1935	}
1401		1936
1402	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1403	}	1938	}
…		…
1410	my ($self) = @_;	1945	my ($self) = @_;
1411		1946
1412	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1413		1948
1414	my $path = $self->{path};	1949	my $path = $self->{path};
		1950
		1951	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1416		1953
		1954	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1956
1419	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1420		1958
1421	$self->alloc;	1959	$self->alloc;
1422		1960
1423	$self->pre_load;	1961	$self->pre_load;
		1962	cf::cede_to_tick;
1424		1963
1425	$self->_load_objects ($self->{load_path}, 1)	1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
		1966	$self->_load_objects ($f)
1426	or return;	1967	or return;
1427		1968
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	1970	if delete $self->{load_original};
1430		1971
1431	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	1973	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	1976	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1436	}	1980	}
1437	}	1981	}
1438		1982
1439	Coro::cede;	1983	$f->resolve_delayed_derefs;
1440		1984
		1985	cf::cede_to_tick;
1441	# now do the right thing for maps	1986	# now do the right thing for maps
1442	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1443
1444	unless ($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)	1988	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1989	unless $self->difficulty;
1452	Coro::cede;	1990	cf::cede_to_tick;
		1991
		1992	unless ($self->{deny_activate}) {
		1993	$self->decay_objects;
		1994	$self->fix_auto_apply;
		1995	$self->update_buttons;
		1996	cf::cede_to_tick;
		1997	$self->set_darkness_map;
		1998	cf::cede_to_tick;
1453	$self->activate;	1999	$self->activate;
		2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
		2004
		2005	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	2006	}
1455		2007
1456	$self->post_load;	2008	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2009	}
1460		2010
1461	sub customise_for {	2011	sub customise_for {
1462	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1463		2013
1464	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2015	if $self->per_player;
1466		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1467	$self	2020	$self
1468	}	2021	}
1469		2022
1470	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2024	sub load_neighbours {
1472	my ($map) = @_;	2025	my ($map) = @_;
1473		2026
1474	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1475		2028
1476	for (0 .. 3) {	2029	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1478	or next;	2031	or next;
1479	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1480	or next;	2033	or next;
1481	$neigh->load;	2034	$neigh->load;
1482		2035
		2036	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2039	}
1486		2040
1487	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1489	or next;	2044	or next;
1490	$neigh->load;	2045	$neigh->load;
1491	}	2046	}
1492	}	2047	}
1493		2048
…		…
1498	}	2053	}
1499		2054
1500	sub do_load_sync {	2055	sub do_load_sync {
1501	my ($map) = @_;	2056	my ($map) = @_;
1502		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1503	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1504	}	2062	}
1505		2063
1506	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1508		2066
1509	sub find_async {	2067	sub find_async {
1510	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1511		2069
1512	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1513		2071
1514	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2074	}
1517		2075
1518	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1519	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1520	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2083	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2084	$map->load if $v;
		2085	}
1525		2086
1526	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1527	}	2088	}
1528	}	2089	}
1529	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1530	};	2091	};
1531	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2095	}
1535		2096
1536	sub save {	2097	sub save {
1537	my ($self) = @_;	2098	my ($self) = @_;
1538		2099
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2101
1541	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1542		2103
1543	return unless $self->dirty;	2104	return unless $self->dirty;
1544		2105
…		…
1550	return if $self->{deny_save};	2111	return if $self->{deny_save};
1551		2112
1552	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1553		2114
1554	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1556	};	2118	};
1557		2119
1558	if ($uniq) {	2120	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1567	my ($self) = @_;	2129	my ($self) = @_;
1568		2130
1569	# save first because save cedes	2131	# save first because save cedes
1570	$self->save;	2132	$self->save;
1571		2133
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2135
1574	return if $self->players;	2136	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2138	return if $self->{deny_save};
1577		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2144	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2145	}
1581		2146
1582	sub reset_at {	2147	sub reset_at {
1583	my ($self) = @_;	2148	my ($self) = @_;
1584		2149
1585	# TODO: safety, remove and allow resettable per-player maps	2150	# 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};	2151	return 1e99 if $self->{deny_reset};
1588		2152
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2155
…		…
1602	my ($self) = @_;	2166	my ($self) = @_;
1603		2167
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2169
1606	return if $self->players;	2170	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2171
1609	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
		2173
		2174	$self->in_memory (cf::MAP_SWAPPED);
		2175
		2176	# need to save uniques path
		2177	unless ($self->{deny_save}) {
		2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2179
		2180	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2181	if $uniq;
		2182	}
1610		2183
1611	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1612		2185
1613	$self->in_memory (cf::MAP_SWAPPED);	2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2188	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2189
1618	$self->unlink_save;	2190	$self->unlink_save;
1619	$self->destroy;	2191	$self->destroy;
1620	}	2192	}
1621		2193
1622	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1623		2195
1624	sub nuke {	2196	sub nuke {
1625	my ($self) = @_;	2197	my ($self) = @_;
1626		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1627	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1628		2203
1629	$self->unlink_save;	2204	$self->unlink_save;
1630		2205
1631	bless $self, "cf::map";	2206	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2211
1637	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1638		2214
1639	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
		2216	}
		2217
		2218	=item $maps = cf::map::tmp_maps
		2219
		2220	Returns an arrayref with all map paths of currently instantiated and saved
		2221	maps. May block.
		2222
		2223	=cut
		2224
		2225	sub tmp_maps() {
		2226	[
		2227	map {
		2228	utf8::decode $_;
		2229	/\.map$/
		2230	? normalise $_
		2231	: ()
		2232	} @{ aio_readdir $TMPDIR or [] }
		2233	]
		2234	}
		2235
		2236	=item $maps = cf::map::random_maps
		2237
		2238	Returns an arrayref with all map paths of currently instantiated and saved
		2239	random maps. May block.
		2240
		2241	=cut
		2242
		2243	sub random_maps() {
		2244	[
		2245	map {
		2246	utf8::decode $_;
		2247	/\.map$/
		2248	? normalise "?random/$_"
		2249	: ()
		2250	} @{ aio_readdir $RANDOMDIR or [] }
		2251	]
1640	}	2252	}
1641		2253
1642	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1643		2255
1644	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2257	instantiated unique items. May block.
1646		2258
1647	=cut	2259	=cut
1648		2260
1649	sub unique_maps() {	2261	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2262	[
1651	or return;	2263	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2264	utf8::decode $_;
1657	next if /\.pst$/;	2265	/\.map$/
1658	next unless /^$PATH_SEP/o;	2266	? normalise $_
1659		2267	: ()
1660	push @paths, cf::map::normalise $_;	2268	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2269	]
1662
1663	\@paths
1664	}	2270	}
1665		2271
1666	package cf;	2272	package cf;
1667		2273
1668	=back	2274	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1687	}	2293	}
1688		2294
1689	sub inv_recursive {	2295	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
		2297	}
		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
1691	}	2325	}
1692		2326
1693	package cf;	2327	package cf;
1694		2328
1695	=back	2329	=back
…		…
1714		2348
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2350
1717	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1719	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1722	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1723	}	2376	}
1724		2377
1725	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1726		2379
1727	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1775		2428
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2430
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1780		2433
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2435	}
1783		2436
1784	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1786		2441
1787	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1788		2443
1789	unless ($map) {	2444	unless ($map) {
1790	# restore original map position	2445	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1807		2462
1808	$map->load;	2463	$map->load;
1809	$map->load_diag;	2464	$map->load_neighbours;
1810		2465
1811	return unless $self->contr->active;	2466	return unless $self->contr->active;
1812	$self->activate_recursive;	2467	$self->activate_recursive;
		2468
		2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1814	}	2471	}
1815		2472
1816	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2474
1820	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1824	};	2479	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2480
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	2481	=cut
		2482
		2483	our $GOTOGEN;
1851		2484
1852	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
		2487
		2488	# do generation counting so two concurrent goto's will be executed in-order
		2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2490
1855	$self->enter_link;	2491	$self->enter_link;
1856		2492
1857	(async {	2493	(async {
		2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
1858	my $map = eval {	2515	my $map = eval {
1859	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2519	$map = $map->customise_for ($self);
		2520	$map = $check->($map) if $check && $map;
		2521	} else {
		2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2523	}
		2524
1861	$map	2525	$map
		2526	};
		2527
		2528	if ($@) {
		2529	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2530	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2531	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1866	})->prio (1);	2539	})->prio (1);
1867	}	2540	}
1868		2541
1869	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1870		2543
…		…
1909		2582
1910	$rmp->{random_seed} ||= $exit->random_seed;	2583	$rmp->{random_seed} ||= $exit->random_seed;
1911		2584
1912	my $data = cf::to_json $rmp;	2585	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2586	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2587	my $meta = "$RANDOMDIR/$md5.meta";
1915		2588
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2590	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2591	undef $fh;
1919	aio_rename "$meta~", $meta;	2592	aio_rename "$meta~", $meta;
…		…
1928		2601
1929	return unless $self->type == cf::PLAYER;	2602	return unless $self->type == cf::PLAYER;
1930		2603
1931	if ($exit->slaying eq "/!") {	2604	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2606	# the problem is that $exit might not survive long enough
		2607	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2608	cf::sync_job { prepare_random_map $exit };
1934	}	2609	}
1935		2610
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
1939		2614
1940	$self->enter_link;	2615	$self->enter_link;
1941		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
1942	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
1943	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2625	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
1946		2627
1947	1;	2628	1;
1948	}) {	2629	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2630	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2631	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2632	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2633	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2634
1954	warn "ERROR in enter_exit: $@";	2635	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2636	$self->leave_link;
1956	}	2637	}
1957	})->prio (1);	2638	})->prio (1);
…		…
1970		2651
1971	sub cf::client::send_drawinfo {	2652	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2653	my ($self, $text, $flags) = @_;
1973		2654
1974	utf8::encode $text;	2655	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2657	}
1977		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
		2752	=item $client->ext_msg ($type, @msg)
		2753
		2754	Sends an ext event to the client.
		2755
		2756	=cut
		2757
		2758	sub cf::client::ext_msg($$@) {
		2759	my ($self, $type, @msg) = @_;
		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
		2764	push @msg, msgtype => "event_$type";
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
		2785	}
1978		2786
1979	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
1980		2788
1981	Queues a query to the client, calling the given callback with	2789	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>,	2790	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>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2792
1985	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2794	become reliable at some point in the future.
1987		2795
1988	=cut	2796	=cut
1989		2797
1990	sub cf::client::query {	2798	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2807	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2809
2002	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
2004	}	2814	}
2005		2815
2006	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
2007	on_reply => sub {	2822	on_reply => sub {
2008	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
2009		2824
2010	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2011	# get handled first	2826	# get handled first
…		…
2023	} else {	2838	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2840	}
2026	}	2841	}
2027	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
2028	);	2869	);
2029		2870
2030	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2031		2872
2032	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2075		2916
2076	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2077		2918
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
2079		2924
2080	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2081		2926
2082	=pod	2927	=pod
2083		2928
2084	The following fucntions and emthods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2085		2930
2086	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
2087	cf::object::player player	2935	cf::object::player
2088	cf::player peaceful	2936	player
2089	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2090		2943
2091	=cut	2944	=cut
2092		2945
2093	for (	2946	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2095	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2098	) {	2953	) {
2099	no strict 'refs';	2954	no strict 'refs';
…		…
2170	=back	3025	=back
2171		3026
2172	=cut	3027	=cut
2173		3028
2174	#############################################################################	3029	#############################################################################
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	3030	# the server's init and main functions
2284		3031
2285	sub load_resources {	3032	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3033	my ($path) = @_;
		3034
		3035	# HACK to clear player env face cache, we need some signal framework
		3036	# for this (global event?)
		3037	%ext::player_env::MUSIC_FACE_CACHE = ();
		3038
		3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3040
		3041	warn "loading facedata from $path\n";
		3042
		3043	my $facedata;
		3044	0 < aio_load $path, $facedata
		3045	or die "$path: $!";
		3046
		3047	$facedata = Coro::Storable::thaw $facedata;
		3048
		3049	$facedata->{version} == 2
		3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3051
		3052	# patch in the exptable
		3053	$facedata->{resource}{"res/exp_table"} = {
		3054	type => FT_RSRC,
		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3056	};
		3057	cf::cede_to_tick;
		3058
		3059	{
		3060	my $faces = $facedata->{faceinfo};
		3061
		3062	while (my ($face, $info) = each %$faces) {
		3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
		3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3068
		3069	cf::cede_to_tick;
		3070	}
		3071
		3072	while (my ($face, $info) = each %$faces) {
		3073	next unless $info->{smooth};
		3074	my $idx = cf::face::find $face
		3075	or next;
		3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
		3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3079	} else {
		3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3081	}
		3082
		3083	cf::cede_to_tick;
		3084	}
		3085	}
		3086
		3087	{
		3088	my $anims = $facedata->{animinfo};
		3089
		3090	while (my ($anim, $info) = each %$anims) {
		3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	cf::anim::invalidate_all; # d'oh
		3096	}
		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
		3147	1
		3148	}
		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
		3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
		3163	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3164	or die "unable to load regions file\n";
2288	}
2289		3165
2290	sub cfg_load {	3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
		3170	}
		3171
		3172	sub reload_facedata {
		3173	load_facedata "$DATADIR/facedata"
		3174	or die "unable to load facedata\n";
		3175	}
		3176
		3177	sub reload_archetypes {
		3178	load_resource_file "$DATADIR/archetypes"
		3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
		3185	}
		3186
		3187	sub reload_treasures {
		3188	load_resource_file "$DATADIR/treasures"
		3189	or die "unable to load treasurelists\n";
		3190	}
		3191
		3192	sub reload_resources {
		3193	warn "reloading resource files...\n";
		3194
		3195	reload_regions;
		3196	reload_facedata;
		3197	#reload_archetypes;#d#
		3198	reload_archetypes;
		3199	reload_treasures;
		3200
		3201	warn "finished reloading resource files\n";
		3202	}
		3203
		3204	sub init {
		3205	reload_resources;
		3206	}
		3207
		3208	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3210	or return;
2293		3211
2294	local $/;	3212	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
2296		3214
…		…
2306	};	3224	};
2307	warn $@ if $@;	3225	warn $@ if $@;
2308	}	3226	}
2309	}	3227	}
2310		3228
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3229	sub main {
2316	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2320	Event::one_event;	3235	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2322	};	3237	};
2323		3238
2324	cfg_load;	3239	reload_config;
2325	db_load;	3240	db_init;
2326	load_extensions;	3241	load_extensions;
2327		3242
2328	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2329	Event::loop;	3244	Event::loop;
2330	}	3245	}
…		…
2345	},	3260	},
2346	);	3261	);
2347	}	3262	}
2348	}	3263	}
2349		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
		3301	}
		3302
2350	sub emergency_save() {	3303	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2352		3305
2353	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2354		3307
…		…
2358	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3317	$pl->save;
2364	}	3318	}
2365	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2366		3320
2367	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3323	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3324	$map->valid or next;
2371	$map->save;	3325	$map->save;
2372	}	3326	}
2373	warn "end emergency map save\n";	3327	warn "end emergency map save\n";
		3328
		3329	warn "begin emergency database checkpoint\n";
		3330	BDB::db_env_txn_checkpoint $DB_ENV;
		3331	warn "end emergency database checkpoint\n";
2374	};	3332	};
2375		3333
2376	warn "leave emergency perl save\n";	3334	warn "leave emergency perl save\n";
2377	}	3335	}
2378		3336
		3337	sub post_cleanup {
		3338	my ($make_core) = @_;
		3339
		3340	warn Carp::longmess "post_cleanup backtrace"
		3341	if $make_core;
		3342	}
		3343
2379	sub reload() {	3344	sub do_reload_perl() {
2380	# can/must only be called in main	3345	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3346	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3347	warn "can only reload from main coroutine";
2383	return;	3348	return;
2384	}	3349	}
2385		3350
2386	warn "reloading...";	3351	warn "reloading...";
2387		3352
2388	warn "cancelling server ticker";	3353	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3354
		3355	cf::sync_job {
		3356	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3357	cf::emergency_save;
		3358	cf::write_runtime; # external watchdog should not bark
2392		3359
2393	eval {	3360	warn "syncing database to disk";
		3361	BDB::db_env_txn_checkpoint $DB_ENV;
		3362
2394	# if anything goes wrong in here, we should simply crash as we already saved	3363	# 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		3364
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3365	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3366	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3367	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3368	}
2403		3369
2404	warn "flushing outstanding aio requests";	3370	warn "flushing outstanding aio requests";
2405	for (;;) {	3371	for (;;) {
		3372	BDB::flush;
2406	IO::AIO::flush;	3373	IO::AIO::flush;
2407	Coro::cede;	3374	Coro::cede;
2408	last unless IO::AIO::nreqs;	3375	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3376	warn "iterate...";
2410	}	3377	}
		3378
		3379	++$RELOAD;
2411		3380
2412	warn "cancelling all extension coros";	3381	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3382	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3383	%EXT_CORO = ();
2415		3384
2416	warn "removing commands";	3385	warn "removing commands";
2417	%COMMAND = ();	3386	%COMMAND = ();
2418		3387
2419	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2421		3391
2422	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2425		3395
…		…
2455	Symbol::delete_package "safe::$_"	3425	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3427
2458	warn "unloading cf.pm \"a bit\"";	3428	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3429	delete $INC{"cf.pm"};
		3430	delete $INC{"cf/pod.pm"};
2460		3431
2461	# don't, removes xs symbols, too,	3432	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3433	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3434	#Symbol::delete_package __PACKAGE__;
2464		3435
…		…
2467	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2468	require cf;	3439	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3441
2471	warn "loading config and database again";	3442	warn "loading config and database again";
2472	cf::cfg_load;	3443	cf::reload_config;
2473	cf::db_load;
2474		3444
2475	warn "loading extensions";	3445	warn "loading extensions";
2476	cf::load_extensions;	3446	cf::load_extensions;
2477		3447
2478	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3449	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3450	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3451	reattach $_ for values %MAP;
		3452	warn "reattaching attachments to players";
		3453	reattach $_ for values %PLAYER;
2482		3454
2483	warn "loading reloadable resources";	3455	warn "leaving sync_job";
2484	load_resources;
2485		3456
2486	warn "restarting server ticker";	3457	1
2487		3458	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3459	warn $@;
2493	warn "error while reloading, exiting.";	3460	warn "error while reloading, exiting.";
2494	exit 1;	3461	exit 1;
2495	}	3462	};
2496		3463
2497	warn "reloaded";	3464	warn "reloaded";
2498	};	3465	};
2499		3466
2500	our $RELOAD_WATCHER; # used only during reload	3467	our $RELOAD_WATCHER; # used only during reload
2501		3468
		3469	sub reload_perl() {
		3470	# doing reload synchronously and two reloads happen back-to-back,
		3471	# coro crashes during coro_state_free->destroy here.
		3472
		3473	$RELOAD_WATCHER ||= Event->timer (
		3474	reentrant => 0,
		3475	after => 0,
		3476	data => WF_AUTOCANCEL,
		3477	cb => sub {
		3478	do_reload_perl;
		3479	undef $RELOAD_WATCHER;
		3480	},
		3481	);
		3482	}
		3483
2502	register_command "reload" => sub {	3484	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2504		3486
2505	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
2507		3489	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3490	$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;	3491	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3492	};
2520	}	3493	}
2521	};	3494	};
2522		3495
2523	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2524		3497
2525	my $bug_warning = 0;	3498	my $bug_warning = 0;
		3499
		3500	our @WAIT_FOR_TICK;
		3501	our @WAIT_FOR_TICK_BEGIN;
		3502
		3503	sub wait_for_tick {
		3504	return unless $TICK_WATCHER->is_active;
		3505	return if $Coro::current == $Coro::main;
		3506
		3507	my $signal = new Coro::Signal;
		3508	push @WAIT_FOR_TICK, $signal;
		3509	$signal->wait;
		3510	}
		3511
		3512	sub wait_for_tick_begin {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK_BEGIN, $signal;
		3518	$signal->wait;
		3519	}
2526		3520
2527	$TICK_WATCHER = Event->timer (	3521	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3522	reentrant => 0,
2529	parked => 1,	3523	parked => 1,
2530	prio => 0,	3524	prio => 0,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3530	unless ++$bug_warning > 10;
2537	return;	3531	return;
2538	}	3532	}
2539		3533
2540	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2541		3535
2542	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
		3537
2543	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2545		3540
2546	$WAIT_FOR_TICK->broadcast;	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3543	Coro::async_pool {
2549	Event::sweep;	3544	$Coro::current->{desc} = "runtime saver";
2550	Coro::cede_notself;	3545	write_runtime
		3546	or warn "ERROR: unable to write runtime file: $!";
		3547	};
2551		3548	}
2552	# my $AFTER = Event::time;	3549
2553	# warn $AFTER - $NOW;#d#	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3551	$sig->send;
		3552	}
		3553	while (my $sig = shift @WAIT_FOR_TICK) {
		3554	$sig->send;
		3555	}
		3556
		3557	$NOW = Event::time;
2554		3558
2555	# if we are delayed by four ticks or more, skip them all	3559	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3561
2558	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
		3564
		3565	$LOAD = ($NOW - $tick_start) / $TICK;
		3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3567
		3568	_post_tick;
2560	},	3569	},
2561	);	3570	);
2562		3571
2563	{	3572	{
		3573	BDB::min_parallel 8;
2564	BDB::max_poll_time $TICK * 0.1;	3574	BDB::max_poll_time $TICK * 0.1;
2565	$BDB_POLL_WATCHER = Event->io (	3575	$BDB_POLL_WATCHER = Event->io (
2566	reentrant => 0,	3576	reentrant => 0,
2567	fd => BDB::poll_fileno,	3577	fd => BDB::poll_fileno,
2568	poll => 'r',	3578	poll => 'r',
2569	prio => 0,	3579	prio => 0,
2570	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,	3581	cb => \&BDB::poll_cb,
2572	);	3582	);
2573	BDB::min_parallel 8;
2574		3583
2575	BDB::set_sync_prepare {	3584	BDB::set_sync_prepare {
2576	my $status;	3585	my $status;
2577	my $current = $Coro::current;	3586	my $current = $Coro::current;
2578	(	3587	(
…		…
2587	)	3596	)
2588	};	3597	};
2589		3598
2590	unless ($DB_ENV) {	3599	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3605
2593	cf::sync_job {	3606	cf::sync_job {
		3607	eval {
2594	BDB::db_env_open	3608	BDB::db_env_open
2595	$DB_ENV,	3609	$DB_ENV,
2596	$BDB_ENV_DIR,	3610	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3613	0666;
2600		3614
2601	cf::cleanup "$!" if $!;	3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3616	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3617
2604	$DB_ENV->set_lk_detect;	3618	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3619	};
2606	}	3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
		3623	after => 3,
		3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
		3628	cb => sub {
		3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3630	},
		3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
2607	}	3652	}
2608		3653
2609	{	3654	{
2610	IO::AIO::min_parallel 8;	3655	IO::AIO::min_parallel 8;
2611		3656
2612	undef $Coro::AIO::WATCHER;	3657	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3658	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3660	reentrant => 0,
		3661	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3663	poll => 'r',
2618	prio => 6,	3664	prio => 0,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
2621	);	3666	);
2622	}	3667	}
2623		3668
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3669	my $_log_backtrace;
2625	reentrant => 0,	3670
2626	data => WF_AUTOCANCEL,	3671	sub _log_backtrace {
2627	after => 1,	3672	my ($msg, @addr) = @_;
2628	interval => 10,	3673
2629	prio => 6, # keep it lowest so it acts like a watchdog	3674	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3675
2631	write_runtime	3676	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3677	if ($_log_backtrace < 2) {
		3678	++$_log_backtrace;
		3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
		3682	my @bt = fork_call {
		3683	@addr = map { sprintf "%x", $_ } @addr;
		3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3686	or die "addr2line: $!";
		3687
		3688	my @funcs;
		3689	my @res = <$fh>;
		3690	chomp for @res;
		3691	while (@res) {
		3692	my ($func, $line) = splice @res, 0, 2, ();
		3693	push @funcs, "[$func] $line";
		3694	}
		3695
		3696	@funcs
		3697	};
		3698
		3699	LOG llevInfo, "[ABT] $msg\n";
		3700	LOG llevInfo, "[ABT] $_\n" for @bt;
		3701	--$_log_backtrace;
		3702	};
		3703	} else {
		3704	LOG llevInfo, "[ABT] $msg\n";
		3705	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3706	}
2634	);	3707	}
		3708
		3709	# load additional modules
		3710	use cf::pod;
2635		3711
2636	END { cf::emergency_save }	3712	END { cf::emergency_save }
2637		3713
2638	1	3714	1
2639		3715

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