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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.392 by root, Fri Oct 26 04:44:54 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;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	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
113	every server tick.	136	every server tick.
114		137
115	=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
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	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.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	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
136	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
137	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.
138	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.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		206
163	# 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
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$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;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	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
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($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#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
271	}	323	}
272		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
276	my $guard = Coro::guard {	334	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	336	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
282	$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;
283	}	397	}
284		398
285	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
286		400
287	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		406
293	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
294		408
295	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
296		410
297	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)
298	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
299	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.
300		415
301	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
302	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
303	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
304	fast or be very important.	419	fast or be very important.
…		…
307		422
308	sub sync_job(&) {	423	sub sync_job(&) {
309	my ($job) = @_;	424	my ($job) = @_;
310		425
311	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
312	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
314		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
315	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	435	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
318		437
319	my $busy = 1;	438	my $busy = 1;
320	my @res;	439	my @res;
321		440
322	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	443	@res = eval { $job->() };
324	warn $@ if $@;	444	warn $@ if $@;
325	undef $busy;	445	undef $busy;
326	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
327		447
328	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
329	Coro::cede or Event::one_event;	452	Event::one_event;
330	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
331		462
332	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
333	} else {	464	} else {
334	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
335		466
…		…
355	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
356		487
357	$coro	488	$coro
358	}	489	}
359		490
360	sub write_runtime {	491	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		492
363	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
364		497
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
366	or return;
367		499
368	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		502
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
373	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
374		506
375	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	508	reset_signals;
377	and return;	509	&$cb
		510	}, @args;
378		511
379	close $fh	512	wantarray ? @res : $res[-1]
380	or return;	513	}
381		514
382	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
383	and return;
384		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
385	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	651	}
387		652
388	=back	653	=back
389		654
390	=cut	655	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
399		664
400	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	667	Crossfire TRT).
403		668
404	=over 4	669	=over 4
405		670
406	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
407		672
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
571		836
572	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		841
577	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	843	my $pkg = shift @arg;
579		844
580	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
610	}	875	}
611		876
612	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
613	} else {	878	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	880	}
616		881
617	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
618	}	883	}
619		884
…		…
621	if (ref $_[0]) {	886	if (ref $_[0]) {
622	_object_attach @_;	887	_object_attach @_;
623	} else {	888	} else {
624	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
625	}	890	}
		891	_recalc_want;
626	};	892	};
627		893
628	# all those should be optimised	894	# all those should be optimised
629	sub cf::attachable::detach {	895	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
634	reattach ($obj);	900	reattach ($obj);
635	} else {	901	} else {
636	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
637	}	903	}
		904	_recalc_want;
638	};	905	};
639		906
640	sub cf::attachable::attached {	907	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
642		909
…		…
657	";	924	";
658	die if $@;	925	die if $@;
659	}	926	}
660		927
661	our $override;	928	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		930
664	sub override {	931	sub override {
665	$override = 1;	932	$override = 1;
666	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
667	}	934	}
668		935
669	sub do_invoke {	936	sub do_invoke {
670	my $event = shift;	937	my $event = shift;
671	my $callbacks = shift;	938	my $callbacks = shift;
672		939
673	@invoke_results = ();	940	@INVOKE_RESULTS = ();
674		941
675	local $override;	942	local $override;
676		943
677	for (@$callbacks) {	944	for (@$callbacks) {
678	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
695		962
696	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
697		964
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		968
702	=back	969	=back
703		970
704	=cut	971	=cut
705		972
706	#############################################################################	973	#############################################################################
707	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
708		1017
709	sub reattach {	1018	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1020	my ($obj) = @_;
712		1021
…		…
759	sub object_freezer_save {	1068	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
761		1070
762	sync_job {	1071	sync_job {
763	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
766		1076
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1081	close $fh;
772		1082
773	if (@$objs) {	1083	if (@$objs) {
774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1089	close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
781	}	1091	}
…		…
789	}	1099	}
790	} else {	1100	} else {
791	aio_unlink $filename;	1101	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
793	}	1103	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1104	};
801	}	1105	}
802		1106
803	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
805		1109
…		…
810		1114
811	sub object_thawer_load {	1115	sub object_thawer_load {
812	my ($filename) = @_;	1116	my ($filename) = @_;
813		1117
814	my ($data, $av);	1118	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1119
819	(aio_load $filename, $data) >= 0	1120	(aio_load $filename, $data) >= 0
820	or return;	1121	or return;
821		1122
822	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
824	or return;	1125	or return;
		1126
825	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
826	}	1129	}
827		1130
		1131	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
830	return ($data, $av);	1135	($data, $av)
831	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
832		1143
833	#############################################################################	1144	#############################################################################
834	# command handling &c	1145	# command handling &c
835		1146
836	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1161	}
851		1162
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1164
854	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
855		1170
856	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
857	called.	1172	called.
858		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
859	=cut	1185	=cut
860		1186
861	sub register_extcmd {	1187	sub register_extcmd {
862	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
863		1189
864	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
865	}	1197	}
866		1198
867	cf::player->attach (	1199	cf::player->attach (
868	on_command => sub {	1200	on_command => sub {
869	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1210	cf::override;
879	},	1211	},
880	on_extcmd => sub {	1212	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
882		1214
883	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1216
885	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
891	} else {	1232	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1234	}
894		1235
895	cf::override;	1236	cf::override;
896	},	1237	},
897	);	1238	);
898		1239
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
934	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1245	next unless -r $path;
936	eval {	1246
937	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
938	1	1304	}
939	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
940	}	1310	};
941	}	1311	}
942		1312
943	#############################################################################	1313	#############################################################################
944		1314
		1315	=back
		1316
945	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
946		1318
947	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
948		1320
949	=cut	1321	=cut
…		…
954		1326
955	=head3 cf::player	1327	=head3 cf::player
956		1328
957	=over 4	1329	=over 4
958		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
959	=item cf::player::find $login	1345	=item cf::player::find $login
960		1346
961	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
962		1348
963	=cut	1349	=cut
964		1350
965	sub playerdir($) {	1351	sub playerdir($) {
966	cf::localdir	1352	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1354	}
972		1355
973	sub path($) {	1356	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1358
976	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
977	}	1360	}
978		1361
979	sub find_active($) {	1362	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1377	my $login = $_[0];
995		1378
996	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
997		1380
998	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1002	}	1397	}
1003	}	1398	}
1004	}	1399	}
1005		1400
…		…
1015		1410
1016	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1018		1413
1019	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1020	Coro::cede;	1415	cf::cede_to_tick;
1021	}	1416	}
1022		1417
1023	sub new($) {	1418	sub new($) {
1024	my ($login) = @_;	1419	my ($login) = @_;
1025		1420
…		…
1031	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1032		1427
1033	$self	1428	$self
1034	}	1429	}
1035		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1036	=item $pl->quit_character	1441	=item $pl->quit_character
1037		1442
1038	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1040		1445
1041	=cut	1446	=cut
1042		1447
1043	sub quit_character {	1448	sub quit_character {
1044	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1045		1452
1046	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1455
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1059	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1060	}	1487	}
1061		1488
1062	=item cf::player::list_logins	1489	=item cf::player::list_logins
1063		1490
1064	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1066		1493
1067	=cut	1494	=cut
1068		1495
1069	sub list_logins {	1496	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1498	or return [];
1072		1499
1073	my @logins;	1500	my @logins;
1074		1501
1075	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1079		1511
1080	utf8::decode $login;	1512	utf8::decode $login;
1081	push @logins, $login;	1513	push @logins, $login;
1082	}	1514	}
1083		1515
…		…
1110	}	1542	}
1111		1543
1112	\@paths	1544	\@paths
1113	}	1545	}
1114		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	(?:
		1558	\ (.*?)\ (?{ $group = $^N })
		1559	| < (??{$interior}) >
		1560	)
		1561	}x;
		1562
		1563	sub expand_cfpod {
		1564	my ($self, $pod) = @_;
		1565
		1566	my $xml;
		1567
		1568	while () {
		1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1570	$group = $1;
		1571
		1572	$group =~ s/&/&amp;/g;
		1573	$group =~ s/</&lt;/g;
		1574
		1575	$xml .= $group;
		1576	} elsif ($pod =~ m%\G
		1577	([BCGHITU])
		1578	<
		1579	(?:
		1580	([^<>]*) (?{ $group = $^N })
		1581	| < $interior >
		1582	)
		1583	>
		1584	%gcsx
		1585	) {
		1586	my ($code, $data) = ($1, $group);
		1587
		1588	if ($code eq "B") {
		1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1590	} elsif ($code eq "I") {
		1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1592	} elsif ($code eq "U") {
		1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1594	} elsif ($code eq "C") {
		1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1596	} elsif ($code eq "T") {
		1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1598	} elsif ($code eq "G") {
		1599	my ($male, $female) = split /\|/, $data;
		1600	$data = $self->gender ? $female : $male;
		1601	$xml .= expand_cfpod ($self, $data);
		1602	} elsif ($code eq "H") {
		1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1605	"")
		1606	[$self->{hintmode}];
		1607	} else {
		1608	$xml .= "error processing '$code($data)' directive";
		1609	}
		1610	} else {
		1611	if ($pod =~ /\G(.+)/) {
		1612	warn "parse error while expanding $pod (at $1)";
		1613	}
		1614	last;
		1615	}
		1616	}
		1617
		1618	for ($xml) {
		1619	# create single paragraphs (very hackish)
		1620	s/(?<=\S)\n(?=\w)/ /g;
		1621
		1622	# compress some whitespace
		1623	s/\s+\n/\n/g; # ws line-ends
		1624	s/\n\n+/\n/g; # double lines
		1625	s/^\n+//; # beginning lines
		1626	s/\n+$//; # ending lines
		1627	}
		1628
		1629	$xml
		1630	}
		1631
		1632	sub hintmode {
		1633	$_[0]{hintmode} = $_[1] if @_ > 1;
		1634	$_[0]{hintmode}
		1635	}
		1636
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1637	=item $player->ext_reply ($msgid, @msg)
1116		1638
1117	Sends an ext reply to the player.	1639	Sends an ext reply to the player.
1118		1640
1119	=cut	1641	=cut
1120		1642
1121	sub ext_reply($$$%) {	1643	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1644	my ($self, $id, @msg) = @_;
1123		1645
1124	$msg{msgid} = $id;	1646	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1647	}
1128		1648
1129	package cf;	1649	=item $player->ext_msg ($type, @msg)
		1650
		1651	Sends an ext event to the client.
		1652
		1653	=cut
		1654
		1655	sub ext_msg($$@) {
		1656	my ($self, $type, @msg) = @_;
		1657
		1658	$self->ns->ext_msg ($type, @msg);
		1659	}
		1660
		1661	=head3 cf::region
		1662
		1663	=over 4
		1664
		1665	=cut
		1666
		1667	package cf::region;
		1668
		1669	=item cf::region::find_by_path $path
		1670
		1671	Tries to decuce the likely region for a map knowing only its path.
		1672
		1673	=cut
		1674
		1675	sub find_by_path($) {
		1676	my ($path) = @_;
		1677
		1678	my ($match, $specificity);
		1679
		1680	for my $region (list) {
		1681	if ($region->{match} && $path =~ $region->{match}) {
		1682	($match, $specificity) = ($region, $region->specificity)
		1683	if $region->specificity > $specificity;
		1684	}
		1685	}
		1686
		1687	$match
		1688	}
1130		1689
1131	=back	1690	=back
1132
1133		1691
1134	=head3 cf::map	1692	=head3 cf::map
1135		1693
1136	=over 4	1694	=over 4
1137		1695
…		…
1192	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1193		1751
1194	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1195	local $self->{path};	1753	local $self->{path};
1196	local $self->{load_path};	1754	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1755
1200	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1201	}	1757	}
1202		1758
1203	sub normalise {	1759	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1251	return $self;	1807	return $self;
1252	}	1808	}
1253	}	1809	}
1254		1810
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1812	()
1257	}	1813	}
1258		1814
1259	sub init {	1815	sub init {
1260	my ($self) = @_;	1816	my ($self) = @_;
…		…
1275		1831
1276	# the original (read-only) location	1832	# the original (read-only) location
1277	sub load_path {	1833	sub load_path {
1278	my ($self) = @_;	1834	my ($self) = @_;
1279		1835
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1281	}	1837	}
1282		1838
1283	# the temporary/swap location	1839	# the temporary/swap location
1284	sub save_path {	1840	sub save_path {
1285	my ($self) = @_;	1841	my ($self) = @_;
1286		1842
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1289	}	1845	}
1290		1846
1291	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1292	sub uniq_path {	1848	sub uniq_path {
1293	my ($self) = @_;	1849	my ($self) = @_;
1294		1850
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1297	}	1853	}
1298		1854
1299	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1300	# all maps in C++...	1856	# all maps in C++...
1301	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1303		1859
1304	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1306	}	1862	}
1307		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1308	sub unlink_save {	1872	sub unlink_save {
1309	my ($self) = @_;	1873	my ($self) = @_;
1310		1874
1311	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1878	}
1320		1879
1321	sub load_header_from($) {	1880	sub load_header_from($) {
1322	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1323		1882
1324	utf8::encode $path;	1883	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1330		1892
1331	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1332		1894
1333	1	1895	1
1334	}	1896	}
…		…
1373	$self->load_header_orig	1935	$self->load_header_orig
1374	or return;	1936	or return;
1375	$self->prepare_orig;	1937	$self->prepare_orig;
1376	}	1938	}
1377		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1378	1	1946	1
1379	}	1947	}
1380		1948
1381	sub find;	1949	sub find;
1382	sub find {	1950	sub find {
1383	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1384		1952
1385	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1386		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1388		1957
1389	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";	1959	my $guard1 = cf::lock_acquire "map_find:$path";
		1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1961
1391	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1392	or return;	1963	or return;
1393		1964
1394	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1395		1966
1396	$map->load_header	1967	$map->load_header
1397	or return;	1968	or return;
1398		1969
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard1;
		1974	undef $guard2;
1402	$map->reset;	1975	$map->reset;
1403	undef $guard;
1404	return find $path;	1976	return find $path;
1405	}	1977	}
1406		1978
1407	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1408	}	1980	}
…		…
1415	my ($self) = @_;	1987	my ($self) = @_;
1416		1988
1417	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1418		1990
1419	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1421		1995
		1996	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		1998
1424	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1425		2000
1426	$self->alloc;	2001	$self->alloc;
1427		2002
1428	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1429		2005
1430	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1431	or return;	2009	or return;
1432		2010
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	2012	if delete $self->{load_original};
1435		2013
1436	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2015	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2018	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1441	}	2022	}
1442	}	2023	}
1443		2024
1444	Coro::cede;	2025	$f->resolve_delayed_derefs;
1445		2026
		2027	cf::cede_to_tick;
1446	# now do the right thing for maps	2028	# now do the right thing for maps
1447	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2031	unless $self->difficulty;
1457	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1458	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2048	}
1460		2049
1461	$self->post_load;	2050	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2051	}
1465		2052
1466	sub customise_for {	2053	sub customise_for {
1467	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1468		2055
1469	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2057	if $self->per_player;
1471		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1472	$self	2062	$self
1473	}	2063	}
1474		2064
1475	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2066	sub load_neighbours {
1477	my ($map) = @_;	2067	my ($map) = @_;
1478		2068
1479	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1480		2070
1481	for (0 .. 3) {	2071	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1483	or next;	2073	or next;
1484	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1485	or next;	2075	or next;
1486	$neigh->load;	2076	$neigh->load;
1487		2077
		2078	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2081	}
1491		2082
1492	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1494	or next;	2086	or next;
1495	$neigh->load;	2087	$neigh->load;
1496	}	2088	}
1497	}	2089	}
1498		2090
…		…
1503	}	2095	}
1504		2096
1505	sub do_load_sync {	2097	sub do_load_sync {
1506	my ($map) = @_;	2098	my ($map) = @_;
1507		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1508	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1509	}	2104	}
1510		2105
1511	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1513		2108
1514	sub find_async {	2109	sub find_async {
1515	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1516		2111
1517	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1518		2113
1519	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	2116	}
1522		2117
1523	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1524	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1525	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2125	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2126	$map->load if $v;
		2127	}
1530		2128
1531	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1532	}	2130	}
1533	}	2131	}
1534	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1535	};	2133	};
1536	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2137	}
1540		2138
1541	sub save {	2139	sub save {
1542	my ($self) = @_;	2140	my ($self) = @_;
1543		2141
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2143
1546	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1547		2145
1548	return unless $self->dirty;	2146	return unless $self->dirty;
1549		2147
…		…
1555	return if $self->{deny_save};	2153	return if $self->{deny_save};
1556		2154
1557	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1558		2156
1559	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1561	};	2160	};
1562		2161
1563	if ($uniq) {	2162	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1572	my ($self) = @_;	2171	my ($self) = @_;
1573		2172
1574	# save first because save cedes	2173	# save first because save cedes
1575	$self->save;	2174	$self->save;
1576		2175
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2177
1579	return if $self->players;	2178	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2180	return if $self->{deny_save};
1582		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2186	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2187	}
1586		2188
1587	sub reset_at {	2189	sub reset_at {
1588	my ($self) = @_;	2190	my ($self) = @_;
1589		2191
1590	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1593		2194
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2197
…		…
1607	my ($self) = @_;	2208	my ($self) = @_;
1608		2209
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2211
1611	return if $self->players;	2212	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2213
1614	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1615		2215
1616	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1617		2217
1618	# need to save uniques path	2218	# need to save uniques path
1619	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2223	if $uniq;
1624	}	2224	}
1625		2225
1626	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1627		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2230	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2231
1632	$self->unlink_save;	2232	$self->unlink_save;
1633	$self->destroy;	2233	$self->destroy;
1634	}	2234	}
1635		2235
1636	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1637		2237
1638	sub nuke {	2238	sub nuke {
1639	my ($self) = @_;	2239	my ($self) = @_;
1640		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1641	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1642		2245
1643	$self->unlink_save;	2246	$self->unlink_save;
1644		2247
1645	bless $self, "cf::map";	2248	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2253
1651	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1652		2256
1653	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1654	}	2294	}
1655		2295
1656	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1657		2297
1658	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2299	instantiated unique items. May block.
1660		2300
1661	=cut	2301	=cut
1662		2302
1663	sub unique_maps() {	2303	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1665	or return;	2305	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2306	utf8::decode $_;
1671	next if /\.pst$/;	2307	/\.map$/
1672	next unless /^$PATH_SEP/o;	2308	? normalise $_
1673		2309	: ()
1674	push @paths, cf::map::normalise $_;	2310	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2311	]
1676
1677	\@paths
1678	}	2312	}
1679		2313
1680	package cf;	2314	package cf;
1681		2315
1682	=back	2316	=back
…		…
1700	map { $_, inv_recursive_ $_->inv } @_	2334	map { $_, inv_recursive_ $_->inv } @_
1701	}	2335	}
1702		2336
1703	sub inv_recursive {	2337	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
		2339	}
		2340
		2341	=item $ref = $ob->ref
		2342
		2343	creates and returns a persistent reference to an objetc that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
1705	}	2367	}
1706		2368
1707	package cf;	2369	package cf;
1708		2370
1709	=back	2371	=back
…		…
1728		2390
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2391	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2392
1731	if ($self->{record_replies}) {	2393	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2394	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2395
1733	} else {	2396	} else {
		2397	my $pl = $self->contr;
		2398
		2399	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2400	my $dialog = $pl->{npc_dialog};
		2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2402
		2403	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2404	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2405	$self->message ($msg, $flags);
		2406	}
1736	}	2407	}
		2408	}
		2409
		2410	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2411
		2412	=cut
		2413
		2414	sub cf::object::send_msg {
		2415	my $pl = shift->contr
		2416	or return;
		2417	$pl->send_msg (@_);
1737	}	2418	}
1738		2419
1739	=item $player_object->may ("access")	2420	=item $player_object->may ("access")
1740		2421
1741	Returns wether the given player is authorized to access resource "access"	2422	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2469	$self->deactivate_recursive;
1789		2470
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2471	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2472
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2474	if $self->map && $self->map->{path} ne "{link}";
1794		2475
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2477	}
1797		2478
1798	sub cf::object::player::leave_link {	2479	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2480	my ($self, $map, $x, $y) = @_;
		2481
		2482	return unless $self->contr->active;
1800		2483
1801	my $link_pos = delete $self->{_link_pos};	2484	my $link_pos = delete $self->{_link_pos};
1802		2485
1803	unless ($map) {	2486	unless ($map) {
1804	# restore original map position	2487	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2501	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2502	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2503	if $x <=0 && $y <= 0;
1821		2504
1822	$map->load;	2505	$map->load;
1823	$map->load_diag;	2506	$map->load_neighbours;
1824		2507
1825	return unless $self->contr->active;	2508	return unless $self->contr->active;
1826	$self->activate_recursive;	2509	$self->activate_recursive;
		2510
		2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2512	$self->enter_map ($map, $x, $y);
1828	}	2513	}
1829		2514
1830	cf::player->attach (	2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2516
1834	# abort map switching before logout	2517	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2518	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2519	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2520	the new (success) or old (failed) map position. In either case, $done will
1838	};	2521	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2522
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2523	=cut
		2524
		2525	our $GOTOGEN;
1865		2526
1866	sub cf::object::player::goto {	2527	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2528	my ($self, $path, $x, $y, $check, $done) = @_;
		2529
		2530	# do generation counting so two concurrent goto's will be executed in-order
		2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2532
1869	$self->enter_link;	2533	$self->enter_link;
1870		2534
1871	(async {	2535	(async {
		2536	$Coro::current->{desc} = "player::goto $path $x $y";
		2537
		2538	# *tag paths override both path and x|y
		2539	if ($path =~ /^\*(.*)$/) {
		2540	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2541	my $ob = $obs[rand @obs];
		2542
		2543	# see if we actually can go there
		2544	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2545	$ob = $obs[rand @obs];
		2546	} else {
		2547	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2548	}
		2549	# else put us there anyways for now #d#
		2550
		2551	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2552	} else {
		2553	($path, $x, $y) = (undef, undef, undef);
		2554	}
		2555	}
		2556
1872	my $map = eval {	2557	my $map = eval {
1873	my $map = cf::map::find $path;	2558	my $map = defined $path ? cf::map::find $path : undef;
		2559
		2560	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2561	$map = $map->customise_for ($self);
		2562	$map = $check->($map) if $check && $map;
		2563	} else {
		2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566
1875	$map	2567	$map
		2568	};
		2569
		2570	if ($@) {
		2571	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2573	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2574
		2575	if ($gen == $self->{_goto_generation}) {
		2576	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2577	$self->leave_link ($map, $x, $y);
		2578	}
		2579
		2580	$done->() if $done;
1880	})->prio (1);	2581	})->prio (1);
1881	}	2582	}
1882		2583
1883	=item $player_object->enter_exit ($exit_object)	2584	=item $player_object->enter_exit ($exit_object)
1884		2585
…		…
1923		2624
1924	$rmp->{random_seed} ||= $exit->random_seed;	2625	$rmp->{random_seed} ||= $exit->random_seed;
1925		2626
1926	my $data = cf::to_json $rmp;	2627	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2628	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2629	my $meta = "$RANDOMDIR/$md5.meta";
1929		2630
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2632	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2633	undef $fh;
1933	aio_rename "$meta~", $meta;	2634	aio_rename "$meta~", $meta;
…		…
1942		2643
1943	return unless $self->type == cf::PLAYER;	2644	return unless $self->type == cf::PLAYER;
1944		2645
1945	if ($exit->slaying eq "/!") {	2646	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2648	# the problem is that $exit might not survive long enough
		2649	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2650	cf::sync_job { prepare_random_map $exit };
1948	}	2651	}
1949		2652
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2654	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2655	my $sp = $exit->stats->sp;
1953		2656
1954	$self->enter_link;	2657	$self->enter_link;
1955		2658
		2659	# if exit is damned, update players death & WoR home-position
		2660	$self->contr->savebed ($slaying, $hp, $sp)
		2661	if $exit->flag (FLAG_DAMNED);
		2662
1956	(async {	2663	(async {
		2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2665
1957	$self->deactivate_recursive; # just to be sure	2666	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2667	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2668	$self->goto ($slaying, $hp, $sp);
1960		2669
1961	1;	2670	1;
1962	}) {	2671	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2672	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2673	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2674	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2675	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2676
1968	warn "ERROR in enter_exit: $@";	2677	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2678	$self->leave_link;
1970	}	2679	}
1971	})->prio (1);	2680	})->prio (1);
…		…
1984		2693
1985	sub cf::client::send_drawinfo {	2694	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2695	my ($self, $text, $flags) = @_;
1987		2696
1988	utf8::encode $text;	2697	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2699	}
1991		2700
		2701	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2702
		2703	Send a drawinfo or msg packet to the client, formatting the msg for the
		2704	client if neccessary. C<$type> should be a string identifying the type of
		2705	the message, with C<log> being the default. If C<$color> is negative, suppress
		2706	the message unless the client supports the msg packet.
		2707
		2708	=cut
		2709
		2710	# non-persistent channels (usually the info channel)
		2711	our %CHANNEL = (
		2712	"c/identify" => {
		2713	id => "infobox",
		2714	title => "Identify",
		2715	reply => undef,
		2716	tooltip => "Items recently identified",
		2717	},
		2718	"c/examine" => {
		2719	id => "infobox",
		2720	title => "Examine",
		2721	reply => undef,
		2722	tooltip => "Signs and other items you examined",
		2723	},
		2724	"c/book" => {
		2725	id => "infobox",
		2726	title => "Book",
		2727	reply => undef,
		2728	tooltip => "The contents of a note or book",
		2729	},
		2730	"c/lookat" => {
		2731	id => "infobox",
		2732	title => "Look",
		2733	reply => undef,
		2734	tooltip => "What you saw there",
		2735	},
		2736	"c/who" => {
		2737	id => "infobox",
		2738	title => "Players",
		2739	reply => undef,
		2740	tooltip => "Shows players who are currently online",
		2741	},
		2742	"c/body" => {
		2743	id => "infobox",
		2744	title => "Body Parts",
		2745	reply => undef,
		2746	tooltip => "Shows which body parts you posess and are available",
		2747	},
		2748	"c/uptime" => {
		2749	id => "infobox",
		2750	title => "Uptime",
		2751	reply => undef,
		2752	tooltip => "How long the server has been running since last restart",
		2753	},
		2754	"c/mapinfo" => {
		2755	id => "infobox",
		2756	title => "Map Info",
		2757	reply => undef,
		2758	tooltip => "Information related to the maps",
		2759	},
		2760	);
		2761
		2762	sub cf::client::send_msg {
		2763	my ($self, $channel, $msg, $color, @extra) = @_;
		2764
		2765	$msg = $self->pl->expand_cfpod ($msg);
		2766
		2767	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2768
		2769	# check predefined channels, for the benefit of C
		2770	if ($CHANNEL{$channel}) {
		2771	$channel = $CHANNEL{$channel};
		2772
		2773	$self->ext_msg (channel_info => $channel)
		2774	if $self->can_msg;
		2775
		2776	$channel = $channel->{id};
		2777
		2778	} elsif (ref $channel) {
		2779	# send meta info to client, if not yet sent
		2780	unless (exists $self->{channel}{$channel->{id}}) {
		2781	$self->{channel}{$channel->{id}} = $channel;
		2782	$self->ext_msg (channel_info => $channel)
		2783	if $self->can_msg;
		2784	}
		2785
		2786	$channel = $channel->{id};
		2787	}
		2788
		2789	return unless @extra || length $msg;
		2790
		2791	if ($self->can_msg) {
		2792	# default colour, mask it out
		2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2794	if $color & cf::NDI_DEF;
		2795
		2796	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2798	} else {
		2799	if ($color >= 0) {
		2800	# replace some tags by gcfclient-compatible ones
		2801	for ($msg) {
		2802	1 while
		2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2808	}
		2809
		2810	$color &= cf::NDI_COLOR_MASK;
		2811
		2812	utf8::encode $msg;
		2813
		2814	if (0 && $msg =~ /\[/) {
		2815	# COMMAND/INFO
		2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2817	} else {
		2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2819	$self->send_packet ("drawinfo $color $msg")
		2820	}
		2821	}
		2822	}
		2823	}
		2824
		2825	=item $client->ext_msg ($type, @msg)
		2826
		2827	Sends an ext event to the client.
		2828
		2829	=cut
		2830
		2831	sub cf::client::ext_msg($$@) {
		2832	my ($self, $type, @msg) = @_;
		2833
		2834	if ($self->extcmd == 2) {
		2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2836	} elsif ($self->extcmd == 1) { # TODO: remove
		2837	push @msg, msgtype => "event_$type";
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2839	}
		2840	}
		2841
		2842	=item $client->ext_reply ($msgid, @msg)
		2843
		2844	Sends an ext reply to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_reply($$@) {
		2849	my ($self, $id, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2853	} elsif ($self->extcmd == 1) {
		2854	#TODO: version 1, remove
		2855	unshift @msg, msgtype => "reply", msgid => $id;
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
1992		2859
1993	=item $success = $client->query ($flags, "text", \&cb)	2860	=item $success = $client->query ($flags, "text", \&cb)
1994		2861
1995	Queues a query to the client, calling the given callback with	2862	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2863	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2864	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2865
1999	Queries can fail, so check the return code. Or don't, as queries will become	2866	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2867	become reliable at some point in the future.
2001		2868
2002	=cut	2869	=cut
2003		2870
2004	sub cf::client::query {	2871	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2872	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2880	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2881	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2882
2016	$self->send_packet ($self->{query_queue}[0][0])	2883	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2884	if @{ $self->{query_queue} } == 1;
		2885
		2886	1
2018	}	2887	}
2019		2888
2020	cf::client->attach (	2889	cf::client->attach (
		2890	on_connect => sub {
		2891	my ($ns) = @_;
		2892
		2893	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2894	},
2021	on_reply => sub {	2895	on_reply => sub {
2022	my ($ns, $msg) = @_;	2896	my ($ns, $msg) = @_;
2023		2897
2024	# this weird shuffling is so that direct followup queries	2898	# this weird shuffling is so that direct followup queries
2025	# get handled first	2899	# get handled first
…		…
2037	} else {	2911	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2912	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2913	}
2040	}	2914	}
2041	},	2915	},
		2916	on_exticmd => sub {
		2917	my ($ns, $buf) = @_;
		2918
		2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2920
		2921	if (ref $msg) {
		2922	my ($type, $reply, @payload) =
		2923	"ARRAY" eq ref $msg
		2924	? @$msg
		2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2926
		2927	my @reply;
		2928
		2929	if (my $cb = $EXTICMD{$type}) {
		2930	@reply = $cb->($ns, @payload);
		2931	}
		2932
		2933	$ns->ext_reply ($reply, @reply)
		2934	if $reply;
		2935
		2936	} else {
		2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2938	}
		2939
		2940	cf::override;
		2941	},
2042	);	2942	);
2043		2943
2044	=item $client->async (\&cb)	2944	=item $client->async (\&cb)
2045		2945
2046	Create a new coroutine, running the specified callback. The coroutine will	2946	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2987	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2988	our $safe_hole = new Safe::Hole;
2089		2989
2090	$SIG{FPE} = 'IGNORE';	2990	$SIG{FPE} = 'IGNORE';
2091		2991
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2992	$safe->permit_only (Opcode::opset qw(
		2993	:base_core :base_mem :base_orig :base_math
		2994	grepstart grepwhile mapstart mapwhile
		2995	sort time
		2996	));
2093		2997
2094	# here we export the classes and methods available to script code	2998	# here we export the classes and methods available to script code
2095		2999
2096	=pod	3000	=pod
2097		3001
2098	The following fucntions and emthods are available within a safe environment:	3002	The following functions and methods are available within a safe environment:
2099		3003
2100	cf::object contr pay_amount pay_player map	3004	cf::object
		3005	contr pay_amount pay_player map x y force_find force_add destroy
		3006	insert remove name archname title slaying race decrease_ob_nr
		3007
2101	cf::object::player player	3008	cf::object::player
2102	cf::player peaceful	3009	player
2103	cf::map trigger	3010
		3011	cf::player
		3012	peaceful
		3013
		3014	cf::map
		3015	trigger
2104		3016
2105	=cut	3017	=cut
2106		3018
2107	for (	3019	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3021	insert remove inv name archname title slaying race
		3022	decrease_ob_nr destroy)],
2109	["cf::object::player" => qw(player)],	3023	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3024	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3025	["cf::map" => qw(trigger)],
2112	) {	3026	) {
2113	no strict 'refs';	3027	no strict 'refs';
…		…
2184	=back	3098	=back
2185		3099
2186	=cut	3100	=cut
2187		3101
2188	#############################################################################	3102	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3103	# the server's init and main functions
2262		3104
2263	sub load_resources {	3105	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3106	my ($path) = @_;
		3107
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
		3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3113
		3114	warn "loading facedata from $path\n";
		3115
		3116	my $facedata;
		3117	0 < aio_load $path, $facedata
		3118	or die "$path: $!";
		3119
		3120	$facedata = Coro::Storable::thaw $facedata;
		3121
		3122	$facedata->{version} == 2
		3123	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3124
		3125	# patch in the exptable
		3126	$facedata->{resource}{"res/exp_table"} = {
		3127	type => FT_RSRC,
		3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3129	};
		3130	cf::cede_to_tick;
		3131
		3132	{
		3133	my $faces = $facedata->{faceinfo};
		3134
		3135	while (my ($face, $info) = each %$faces) {
		3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3137	cf::face::set_visibility $idx, $info->{visibility};
		3138	cf::face::set_magicmap $idx, $info->{magicmap};
		3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3141
		3142	cf::cede_to_tick;
		3143	}
		3144
		3145	while (my ($face, $info) = each %$faces) {
		3146	next unless $info->{smooth};
		3147	my $idx = cf::face::find $face
		3148	or next;
		3149	if (my $smooth = cf::face::find $info->{smooth}) {
		3150	cf::face::set_smooth $idx, $smooth;
		3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3152	} else {
		3153	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3154	}
		3155
		3156	cf::cede_to_tick;
		3157	}
		3158	}
		3159
		3160	{
		3161	my $anims = $facedata->{animinfo};
		3162
		3163	while (my ($anim, $info) = each %$anims) {
		3164	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3165	cf::cede_to_tick;
		3166	}
		3167
		3168	cf::anim::invalidate_all; # d'oh
		3169	}
		3170
		3171	{
		3172	# TODO: for gcfclient pleasure, we should give resources
		3173	# that gcfclient doesn't grok a >10000 face index.
		3174	my $res = $facedata->{resource};
		3175
		3176	my $soundconf = delete $res->{"res/sound.conf"};
		3177
		3178	while (my ($name, $info) = each %$res) {
		3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3180	my $data;
		3181
		3182	if ($info->{type} & 1) {
		3183	# prepend meta info
		3184
		3185	my $meta = $enc->encode ({
		3186	name => $name,
		3187	%{ $info->{meta} || {} },
		3188	});
		3189
		3190	$data = pack "(w/a*)*", $meta, $info->{data};
		3191	} else {
		3192	$data = $info->{data};
		3193	}
		3194
		3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3196	cf::face::set_type $idx, $info->{type};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	if ($soundconf) {
		3202	$soundconf = $enc->decode (delete $soundconf->{data});
		3203
		3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3205	my $sound = $soundconf->{compat}[$_]
		3206	or next;
		3207
		3208	my $face = cf::face::find "sound/$sound->[1]";
		3209	cf::sound::set $sound->[0] => $face;
		3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3211	}
		3212
		3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3214	my $face = cf::face::find "sound/$v";
		3215	cf::sound::set $k => $face;
		3216	}
		3217	}
		3218	}
		3219
		3220	1
		3221	}
		3222
		3223	register_exticmd fx_want => sub {
		3224	my ($ns, $want) = @_;
		3225
		3226	while (my ($k, $v) = each %$want) {
		3227	$ns->fx_want ($k, $v);
		3228	}
		3229	};
		3230
		3231	sub reload_regions {
		3232	# HACK to clear player env face cache, we need some signal framework
		3233	# for this (global event?)
		3234	%ext::player_env::MUSIC_FACE_CACHE = ();
		3235
		3236	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3237	or die "unable to load regions file\n";
2266	}
2267		3238
2268	sub cfg_load {	3239	for (cf::region::list) {
		3240	$_->{match} = qr/$_->{match}/
		3241	if exists $_->{match};
		3242	}
		3243	}
		3244
		3245	sub reload_facedata {
		3246	load_facedata "$DATADIR/facedata"
		3247	or die "unable to load facedata\n";
		3248	}
		3249
		3250	sub reload_archetypes {
		3251	load_resource_file "$DATADIR/archetypes"
		3252	or die "unable to load archetypes\n";
		3253	#d# NEED to laod twice to resolve forward references
		3254	# this really needs to be done in an extra post-pass
		3255	# (which needs to be synchronous, so solve it differently)
		3256	load_resource_file "$DATADIR/archetypes"
		3257	or die "unable to load archetypes\n";
		3258	}
		3259
		3260	sub reload_treasures {
		3261	load_resource_file "$DATADIR/treasures"
		3262	or die "unable to load treasurelists\n";
		3263	}
		3264
		3265	sub reload_resources {
		3266	warn "reloading resource files...\n";
		3267
		3268	reload_regions;
		3269	reload_facedata;
		3270	#reload_archetypes;#d#
		3271	reload_archetypes;
		3272	reload_treasures;
		3273
		3274	warn "finished reloading resource files\n";
		3275	}
		3276
		3277	sub init {
		3278	reload_resources;
		3279	}
		3280
		3281	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3282	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3283	or return;
2271		3284
2272	local $/;	3285	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3286	*CFG = YAML::Syck::Load <$fh>;
2274		3287
…		…
2284	};	3297	};
2285	warn $@ if $@;	3298	warn $@ if $@;
2286	}	3299	}
2287	}	3300	}
2288		3301
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3302	sub main {
2294	# we must not ever block the main coroutine	3303	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3304	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3306	(async {
		3307	$Coro::current->{desc} = "IDLE BUG HANDLER";
2298	Event::one_event;	3308	Event::one_event;
2299	})->prio (Coro::PRIO_MAX);	3309	})->prio (Coro::PRIO_MAX);
2300	};	3310	};
2301		3311
2302	cfg_load;	3312	reload_config;
2303	db_init;	3313	db_init;
2304	load_extensions;	3314	load_extensions;
2305		3315
2306	$TICK_WATCHER->start;	3316	$TICK_WATCHER->start;
2307	Event::loop;	3317	Event::loop;
…		…
2323	},	3333	},
2324	);	3334	);
2325	}	3335	}
2326	}	3336	}
2327		3337
		3338	sub write_runtime {
		3339	my $runtime = "$LOCALDIR/runtime";
		3340
		3341	# first touch the runtime file to show we are still running:
		3342	# the fsync below can take a very very long time.
		3343
		3344	IO::AIO::aio_utime $runtime, undef, undef;
		3345
		3346	my $guard = cf::lock_acquire "write_runtime";
		3347
		3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3349	or return;
		3350
		3351	my $value = $cf::RUNTIME + 90 + 10;
		3352	# 10 is the runtime save interval, for a monotonic clock
		3353	# 60 allows for the watchdog to kill the server.
		3354
		3355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3356	and return;
		3357
		3358	# always fsync - this file is important
		3359	aio_fsync $fh
		3360	and return;
		3361
		3362	# touch it again to show we are up-to-date
		3363	aio_utime $fh, undef, undef;
		3364
		3365	close $fh
		3366	or return;
		3367
		3368	aio_rename "$runtime~", $runtime
		3369	and return;
		3370
		3371	warn "runtime file written.\n";
		3372
		3373	1
		3374	}
		3375
2328	sub emergency_save() {	3376	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3377	my $freeze_guard = cf::freeze_mainloop;
2330		3378
2331	warn "enter emergency perl save\n";	3379	warn "enter emergency perl save\n";
2332		3380
…		…
2336	# and maps saved/destroyed asynchronously.	3384	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3385	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3386	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3387	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3388	$pl->valid or next;
		3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3390	$pl->save;
2342	}	3391	}
2343	warn "end emergency player save\n";	3392	warn "end emergency player save\n";
2344		3393
2345	warn "begin emergency map save\n";	3394	warn "begin emergency map save\n";
…		…
2363		3412
2364	warn Carp::longmess "post_cleanup backtrace"	3413	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3414	if $make_core;
2366	}	3415	}
2367		3416
2368	sub reload() {	3417	sub do_reload_perl() {
2369	# can/must only be called in main	3418	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3419	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3420	warn "can only reload from main coroutine";
2372	return;	3421	return;
2373	}	3422	}
2374		3423
2375	warn "reloading...";	3424	warn "reloading...";
2376		3425
2377	warn "cancelling server ticker";	3426	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3427
		3428	cf::sync_job {
		3429	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3430	cf::emergency_save;
		3431	cf::write_runtime; # external watchdog should not bark
2381		3432
2382	eval {	3433	warn "syncing database to disk";
		3434	BDB::db_env_txn_checkpoint $DB_ENV;
		3435
2383	# if anything goes wrong in here, we should simply crash as we already saved	3436	# if anything goes wrong in here, we should simply crash as we already saved
2384		3437
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3438	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3439	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3440	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3441	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3442
2393	warn "flushing outstanding aio requests";	3443	warn "flushing outstanding aio requests";
2394	for (;;) {	3444	for (;;) {
2395	BDB::flush;	3445	BDB::flush;
2396	IO::AIO::flush;	3446	IO::AIO::flush;
2397	Coro::cede;	3447	Coro::cede_notself;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3448	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3449	warn "iterate...";
2400	}	3450	}
		3451
		3452	++$RELOAD;
2401		3453
2402	warn "cancelling all extension coros";	3454	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3455	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3456	%EXT_CORO = ();
2405		3457
2406	warn "removing commands";	3458	warn "removing commands";
2407	%COMMAND = ();	3459	%COMMAND = ();
2408		3460
2409	warn "removing ext commands";	3461	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3462	%EXTCMD = ();
		3463	%EXTICMD = ();
2411		3464
2412	warn "unloading/nuking all extensions";	3465	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3466	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3467	warn "... unloading $pkg";
2415		3468
…		…
2445	Symbol::delete_package "safe::$_"	3498	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3500
2448	warn "unloading cf.pm \"a bit\"";	3501	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3502	delete $INC{"cf.pm"};
		3503	delete $INC{"cf/pod.pm"};
2450		3504
2451	# don't, removes xs symbols, too,	3505	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3506	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3507	#Symbol::delete_package __PACKAGE__;
2454		3508
…		…
2457	warn "reloading cf.pm";	3511	warn "reloading cf.pm";
2458	require cf;	3512	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3514
2461	warn "loading config and database again";	3515	warn "loading config and database again";
2462	cf::cfg_load;	3516	cf::reload_config;
2463		3517
2464	warn "loading extensions";	3518	warn "loading extensions";
2465	cf::load_extensions;	3519	cf::load_extensions;
2466		3520
2467	warn "reattaching attachments to objects/players";	3521	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3522	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3523	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3524	reattach $_ for values %MAP;
		3525	warn "reattaching attachments to players";
		3526	reattach $_ for values %PLAYER;
2471		3527
2472	warn "loading reloadable resources";	3528	warn "leaving sync_job";
2473	load_resources;
2474		3529
2475	warn "restarting server ticker";	3530	1
2476		3531	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3532	warn $@;
2482	warn "error while reloading, exiting.";	3533	warn "error while reloading, exiting.";
2483	exit 1;	3534	exit 1;
2484	}	3535	};
2485		3536
2486	warn "reloaded";	3537	warn "reloaded";
2487	};	3538	};
2488		3539
2489	our $RELOAD_WATCHER; # used only during reload	3540	our $RELOAD_WATCHER; # used only during reload
2490		3541
		3542	sub reload_perl() {
		3543	# doing reload synchronously and two reloads happen back-to-back,
		3544	# coro crashes during coro_state_free->destroy here.
		3545
		3546	$RELOAD_WATCHER ||= Event->timer (
		3547	reentrant => 0,
		3548	after => 0,
		3549	data => WF_AUTOCANCEL,
		3550	cb => sub {
		3551	do_reload_perl;
		3552	undef $RELOAD_WATCHER;
		3553	},
		3554	);
		3555	}
		3556
2491	register_command "reload" => sub {	3557	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3558	my ($who, $arg) = @_;
2493		3559
2494	if ($who->flag (FLAG_WIZ)) {	3560	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3561	$who->message ("reloading server.");
2496		3562	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3563	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3564	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3565	};
2509	}	3566	}
2510	};	3567	};
2511		3568
2512	unshift @INC, $LIBDIR;	3569	unshift @INC, $LIBDIR;
2513		3570
2514	my $bug_warning = 0;	3571	my $bug_warning = 0;
		3572
		3573	our @WAIT_FOR_TICK;
		3574	our @WAIT_FOR_TICK_BEGIN;
		3575
		3576	sub wait_for_tick {
		3577	return unless $TICK_WATCHER->is_active;
		3578	return if $Coro::current == $Coro::main;
		3579
		3580	my $signal = new Coro::Signal;
		3581	push @WAIT_FOR_TICK, $signal;
		3582	$signal->wait;
		3583	}
		3584
		3585	sub wait_for_tick_begin {
		3586	return unless $TICK_WATCHER->is_active;
		3587	return if $Coro::current == $Coro::main;
		3588
		3589	my $signal = new Coro::Signal;
		3590	push @WAIT_FOR_TICK_BEGIN, $signal;
		3591	$signal->wait;
		3592	}
2515		3593
2516	$TICK_WATCHER = Event->timer (	3594	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3595	reentrant => 0,
2518	parked => 1,	3596	parked => 1,
2519	prio => 0,	3597	prio => 0,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3603	unless ++$bug_warning > 10;
2526	return;	3604	return;
2527	}	3605	}
2528		3606
2529	$NOW = Event::time;	3607	$NOW = $tick_start = Event::time;
2530		3608
2531	cf::server_tick; # one server iteration	3609	cf::server_tick; # one server iteration
		3610
2532	$RUNTIME += $TICK;	3611	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3612	$NEXT_TICK += $TICK;
2534		3613
2535	$WAIT_FOR_TICK->broadcast;	3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3615	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3616	Coro::async_pool {
2538	Event::sweep;	3617	$Coro::current->{desc} = "runtime saver";
2539	Coro::cede_notself;	3618	write_runtime
		3619	or warn "ERROR: unable to write runtime file: $!";
		3620	};
2540		3621	}
2541	# my $AFTER = Event::time;	3622
2542	# warn $AFTER - $NOW;#d#	3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3624	$sig->send;
		3625	}
		3626	while (my $sig = shift @WAIT_FOR_TICK) {
		3627	$sig->send;
		3628	}
		3629
		3630	$NOW = Event::time;
2543		3631
2544	# if we are delayed by four ticks or more, skip them all	3632	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3634
2547	$TICK_WATCHER->at ($NEXT_TICK);	3635	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3636	$TICK_WATCHER->start;
		3637
		3638	$LOAD = ($NOW - $tick_start) / $TICK;
		3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3640
		3641	_post_tick;
2549	},	3642	},
2550	);	3643	);
2551		3644
2552	{	3645	{
		3646	BDB::min_parallel 8;
2553	BDB::max_poll_time $TICK * 0.1;	3647	BDB::max_poll_time $TICK * 0.1;
2554	$BDB_POLL_WATCHER = Event->io (	3648	$BDB_POLL_WATCHER = Event->io (
2555	reentrant => 0,	3649	reentrant => 0,
2556	fd => BDB::poll_fileno,	3650	fd => BDB::poll_fileno,
2557	poll => 'r',	3651	poll => 'r',
2558	prio => 0,	3652	prio => 0,
2559	data => WF_AUTOCANCEL,	3653	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,	3654	cb => \&BDB::poll_cb,
2561	);	3655	);
2562	BDB::min_parallel 8;
2563		3656
2564	BDB::set_sync_prepare {	3657	BDB::set_sync_prepare {
2565	my $status;	3658	my $status;
2566	my $current = $Coro::current;	3659	my $current = $Coro::current;
2567	(	3660	(
…		…
2576	)	3669	)
2577	};	3670	};
2578		3671
2579	unless ($DB_ENV) {	3672	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3673	$DB_ENV = BDB::db_env_create;
		3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3675	| BDB::LOG_AUTOREMOVE, 1);
		3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3678
2582	cf::sync_job {	3679	cf::sync_job {
2583	eval {	3680	eval {
2584	BDB::db_env_open	3681	BDB::db_env_open
2585	$DB_ENV,	3682	$DB_ENV,
2586	$BDB_ENV_DIR,	3683	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3684	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3685	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3686	0666;
2590		3687
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3688	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3689	};
2596		3690
2597	cf::cleanup "db_env_open(db): $@" if $@;	3691	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3692	};
2599	}	3693	}
		3694
		3695	$BDB_DEADLOCK_WATCHER = Event->timer (
		3696	after => 3,
		3697	interval => 1,
		3698	hard => 1,
		3699	prio => 0,
		3700	data => WF_AUTOCANCEL,
		3701	cb => sub {
		3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3703	},
		3704	);
		3705	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3706	after => 11,
		3707	interval => 60,
		3708	hard => 1,
		3709	prio => 0,
		3710	data => WF_AUTOCANCEL,
		3711	cb => sub {
		3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3713	},
		3714	);
		3715	$BDB_TRICKLE_WATCHER = Event->timer (
		3716	after => 5,
		3717	interval => 10,
		3718	hard => 1,
		3719	prio => 0,
		3720	data => WF_AUTOCANCEL,
		3721	cb => sub {
		3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3723	},
		3724	);
2600	}	3725	}
2601		3726
2602	{	3727	{
2603	IO::AIO::min_parallel 8;	3728	IO::AIO::min_parallel 8;
2604		3729
2605	undef $Coro::AIO::WATCHER;	3730	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3731	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3732	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3733	reentrant => 0,
		3734	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3735	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3736	poll => 'r',
2611	prio => 6,	3737	prio => 0,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3738	cb => \&IO::AIO::poll_cb,
2614	);	3739	);
2615	}	3740	}
2616		3741
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3742	my $_log_backtrace;
2618	reentrant => 0,	3743
2619	data => WF_AUTOCANCEL,	3744	sub _log_backtrace {
2620	after => 1,	3745	my ($msg, @addr) = @_;
2621	interval => 10,	3746
2622	prio => 6, # keep it lowest so it acts like a watchdog	3747	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3748
2624	write_runtime	3749	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3750	if ($_log_backtrace < 2) {
		3751	++$_log_backtrace;
		3752	async {
		3753	$Coro::current->{desc} = "abt $msg";
		3754
		3755	my @bt = fork_call {
		3756	@addr = map { sprintf "%x", $_ } @addr;
		3757	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3758	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3759	or die "addr2line: $!";
		3760
		3761	my @funcs;
		3762	my @res = <$fh>;
		3763	chomp for @res;
		3764	while (@res) {
		3765	my ($func, $line) = splice @res, 0, 2, ();
		3766	push @funcs, "[$func] $line";
		3767	}
		3768
		3769	@funcs
		3770	};
		3771
		3772	LOG llevInfo, "[ABT] $msg\n";
		3773	LOG llevInfo, "[ABT] $_\n" for @bt;
		3774	--$_log_backtrace;
		3775	};
		3776	} else {
		3777	LOG llevInfo, "[ABT] $msg\n";
		3778	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3779	}
2627	);	3780	}
		3781
		3782	# load additional modules
		3783	use cf::pod;
2628		3784
2629	END { cf::emergency_save }	3785	END { cf::emergency_save }
2630		3786
2631	1	3787	1
2632		3788

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