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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.390 by root, Thu Oct 25 09:01:24 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 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$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
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
54		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
		89
55	our %CFG;	90	our %CFG;
56		91
57	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	93	our $RUNTIME;
59		94
60	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		98
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		105
71	binmode STDOUT;	106	binmode STDOUT;
72	binmode STDERR;	107	binmode STDERR;
73		108
74	# read virtual server time, if available	109	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
79	}	114	}
80		115
81	mkdir cf::localdir;	116	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		118
87	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
88		120
89	sub cf::map::normalise;	121	sub cf::map::normalise;
90		122
…		…
101	=item $cf::RUNTIME	133	=item $cf::RUNTIME
102		134
103	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
104	every server tick.	136	every server tick.
105		137
106	=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
107		141
108	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		146
111	=item $cf::NOW	147	=item $cf::NOW
112		148
113	The time of the last (current) server tick.	149	The time of the last (current) server tick.
114		150
115	=item $cf::TICK	151	=item $cf::TICK
116		152
117	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.
118		164
119	=item %cf::CFG	165	=item %cf::CFG
120		166
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	168	from wherever your confdir points to.
123		169
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		171
126	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
127	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
128	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.
129	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.
130		181
131	=back	182	=back
132		183
133	=cut	184	=cut
134		185
135	BEGIN {	186	BEGIN {
136	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	188	my $msg = join "", @_;
138	utf8::encode $msg;
139		189
140	$msg .= "\n"	190	$msg .= "\n"
141	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
142		194
143	LOG llevError, $msg;	195	LOG llevError, $msg;
144	};	196	};
145	}	197	}
146		198
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		206
154	# 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
155	# within the Safe compartment.	208	# within the Safe compartment.
156	for my $pkg (qw(	209	for my $pkg (qw(
157	cf::global cf::attachable	210	cf::global cf::attachable
…		…
165	}	218	}
166		219
167	$Event::DIED = sub {	220	$Event::DIED = sub {
168	warn "error in event callback: @_";	221	warn "error in event callback: @_";
169	};	222	};
		223
		224	#############################################################################
170		225
171	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
172		227
173	=over 4	228	=over 4
174		229
…		…
193	$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;
194	$d	249	$d
195	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
196	}	251	}
197		252
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
201		254
202	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
203		256
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
212		258
213	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
214		260
215	=cut	261	=cut
216		262
217	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
219	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
221		267
222	=item cf::lock_wait $string	268	=item cf::lock_wait $string
223		269
224	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
225		271
…		…
228	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
229	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,
230	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
231	returned.	277	returned.
232		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
233	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
234	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
235		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
236	=cut	289	=cut
237		290
238	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
239		293
240	sub lock_wait($) {	294	sub lock_wait($) {
241	my ($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#
242		301
243	# wait for lock, if any	302	# wait for lock, if any
244	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	305	Coro::schedule;
…		…
252		311
253	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
254	lock_wait $key;	313	lock_wait $key;
255		314
256	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
257		317
258	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
261	}	322	}
262	}	323	}
263		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
264	sub freeze_mainloop {	331	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
266		333
267	my $guard = Coro::guard {	334	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	336	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
273	$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;
274	}	397	}
275		398
276	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
277		400
278	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		406
284	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
285		408
286	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
287		410
288	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)
289	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
290	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.
291		415
292	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
293	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
294	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
295	fast or be very important.	419	fast or be very important.
…		…
298		422
299	sub sync_job(&) {	423	sub sync_job(&) {
300	my ($job) = @_;	424	my ($job) = @_;
301		425
302	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
303	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
305		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
306	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	435	# (but this is cancel-safe)
308	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
309		437
310	my $busy = 1;	438	my $busy = 1;
311	my @res;	439	my @res;
312		440
313	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	443	@res = eval { $job->() };
315	warn $@ if $@;	444	warn $@ if $@;
316	undef $busy;	445	undef $busy;
317	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
318		447
319	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
320	Coro::cede or Event::one_event;	452	Event::one_event;
321	}	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
322		462
323	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
324	} else {	464	} else {
325	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
326		466
…		…
346	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
347		487
348	$coro	488	$coro
349	}	489	}
350		490
351	sub write_runtime {	491	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		492
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
355	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
356		497
357	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		499
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
362	and return;	501	my ($cb, @args) = @_;
363		502
364	# always fsync - this file is important	503	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	504	# otherwise perl prematurely frees the stuff :/
366	and return;	505	# TODO: investigate and fix (likely this will be rather laborious)
367		506
368	close $fh	507	my @res = Coro::Util::fork_eval {
369	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
370		511
371	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
372	and return;	513	}
373		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
374	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 });
375	}	651	}
376		652
377	=back	653	=back
378		654
379	=cut	655	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
388		664
389	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>
390	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
391	crossfire+).	667	Crossfire TRT).
392		668
393	=over 4	669	=over 4
394		670
395	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
396		672
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
560		836
561	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		841
566	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	843	my $pkg = shift @arg;
568		844
569	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
599	}	875	}
600		876
601	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
602	} else {	878	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	880	}
605		881
606	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
607	}	883	}
608		884
…		…
610	if (ref $_[0]) {	886	if (ref $_[0]) {
611	_object_attach @_;	887	_object_attach @_;
612	} else {	888	} else {
613	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
614	}	890	}
		891	_recalc_want;
615	};	892	};
616		893
617	# all those should be optimised	894	# all those should be optimised
618	sub cf::attachable::detach {	895	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
623	reattach ($obj);	900	reattach ($obj);
624	} else {	901	} else {
625	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
626	}	903	}
		904	_recalc_want;
627	};	905	};
628		906
629	sub cf::attachable::attached {	907	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
631		909
…		…
646	";	924	";
647	die if $@;	925	die if $@;
648	}	926	}
649		927
650	our $override;	928	our $override;
651	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?
652		930
653	sub override {	931	sub override {
654	$override = 1;	932	$override = 1;
655	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
656	}	934	}
657		935
658	sub do_invoke {	936	sub do_invoke {
659	my $event = shift;	937	my $event = shift;
660	my $callbacks = shift;	938	my $callbacks = shift;
661		939
662	@invoke_results = ();	940	@INVOKE_RESULTS = ();
663		941
664	local $override;	942	local $override;
665		943
666	for (@$callbacks) {	944	for (@$callbacks) {
667	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
684		962
685	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
686		964
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		968
691	=back	969	=back
692		970
693	=cut	971	=cut
694		972
695	#############################################################################	973	#############################################################################
696	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
697		1017
698	sub reattach {	1018	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1020	my ($obj) = @_;
701		1021
…		…
748	sub object_freezer_save {	1068	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
750		1070
751	sync_job {	1071	sync_job {
752	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
755		1076
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1081	close $fh;
761		1082
762	if (@$objs) {	1083	if (@$objs) {
763	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) {
764	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1089	close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
770	}	1091	}
…		…
778	}	1099	}
779	} else {	1100	} else {
780	aio_unlink $filename;	1101	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
782	}	1103	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1104	};
790	}	1105	}
791		1106
792	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
794		1109
…		…
799		1114
800	sub object_thawer_load {	1115	sub object_thawer_load {
801	my ($filename) = @_;	1116	my ($filename) = @_;
802		1117
803	my ($data, $av);	1118	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1119
808	(aio_load $filename, $data) >= 0	1120	(aio_load $filename, $data) >= 0
809	or return;	1121	or return;
810		1122
811	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
813	or return;	1125	or return;
		1126
814	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
815	}	1129	}
816		1130
		1131	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
819	return ($data, $av);	1135	($data, $av)
820	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
821		1143
822	#############################################################################	1144	#############################################################################
823	# command handling &c	1145	# command handling &c
824		1146
825	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1161	}
840		1162
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1164
843	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.
844		1170
845	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
846	called.	1172	called.
847		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
848	=cut	1185	=cut
849		1186
850	sub register_extcmd {	1187	sub register_extcmd {
851	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
852		1189
853	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
854	}	1197	}
855		1198
856	cf::player->attach (	1199	cf::player->attach (
857	on_command => sub {	1200	on_command => sub {
858	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1210	cf::override;
868	},	1211	},
869	on_extcmd => sub {	1212	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
871		1214
872	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1216
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
880	} else {	1232	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1234	}
883		1235
884	cf::override;	1236	cf::override;
885	},	1237	},
886	);	1238	);
887		1239
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
923	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1245	next unless -r $path;
925	eval {	1246
926	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;
927	1	1304	}
928	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
929	}	1310	};
930	}	1311	}
931		1312
932	#############################################################################	1313	#############################################################################
933		1314
		1315	=back
		1316
934	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
935		1318
936	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
937		1320
938	=cut	1321	=cut
…		…
943		1326
944	=head3 cf::player	1327	=head3 cf::player
945		1328
946	=over 4	1329	=over 4
947		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
948	=item cf::player::find $login	1345	=item cf::player::find $login
949		1346
950	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
951		1348
952	=cut	1349	=cut
953		1350
954	sub playerdir($) {	1351	sub playerdir($) {
955	cf::localdir	1352	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1354	}
961		1355
962	sub path($) {	1356	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1358
965	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
966	}	1360	}
967		1361
968	sub find_active($) {	1362	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1377	my $login = $_[0];
984		1378
985	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
986		1380
987	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
988	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
989	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;
990	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
991	}	1397	}
992	}	1398	}
993	}	1399	}
994		1400
…		…
1004		1410
1005	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1007		1413
1008	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1009	Coro::cede;	1415	cf::cede_to_tick;
1010	}	1416	}
1011		1417
1012	sub new($) {	1418	sub new($) {
1013	my ($login) = @_;	1419	my ($login) = @_;
1014		1420
…		…
1020	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1021		1427
1022	$self	1428	$self
1023	}	1429	}
1024		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
1025	=item $pl->quit_character	1441	=item $pl->quit_character
1026		1442
1027	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
1028	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1029		1445
1030	=cut	1446	=cut
1031		1447
1032	sub quit_character {	1448	sub quit_character {
1033	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1034		1452
1035	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1036	$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
1037		1455
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1487	}
1050		1488
1051	=item cf::player::list_logins	1489	=item cf::player::list_logins
1052		1490
1053	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
1054	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1055		1493
1056	=cut	1494	=cut
1057		1495
1058	sub list_logins {	1496	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1498	or return [];
1061		1499
1062	my @logins;	1500	my @logins;
1063		1501
1064	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") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1068		1511
1069	utf8::decode $login;	1512	utf8::decode $login;
1070	push @logins, $login;	1513	push @logins, $login;
1071	}	1514	}
1072		1515
…		…
1099	}	1542	}
1100		1543
1101	\@paths	1544	\@paths
1102	}	1545	}
1103		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1105		1599
1106	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1107		1601
1108	=cut	1602	=cut
1109		1603
1110	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1112		1606
1113	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1608	}
1117		1609
1118	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1119		1650
1120	=back	1651	=back
1121
1122		1652
1123	=head3 cf::map	1653	=head3 cf::map
1124		1654
1125	=over 4	1655	=over 4
1126		1656
…		…
1181	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1182		1712
1183	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1184	local $self->{path};	1714	local $self->{path};
1185	local $self->{load_path};	1715	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1716
1189	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1190	}	1718	}
1191		1719
1192	sub normalise {	1720	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1240	return $self;	1768	return $self;
1241	}	1769	}
1242	}	1770	}
1243		1771
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1773	()
1246	}	1774	}
1247		1775
1248	sub init {	1776	sub init {
1249	my ($self) = @_;	1777	my ($self) = @_;
…		…
1264		1792
1265	# the original (read-only) location	1793	# the original (read-only) location
1266	sub load_path {	1794	sub load_path {
1267	my ($self) = @_;	1795	my ($self) = @_;
1268		1796
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1270	}	1798	}
1271		1799
1272	# the temporary/swap location	1800	# the temporary/swap location
1273	sub save_path {	1801	sub save_path {
1274	my ($self) = @_;	1802	my ($self) = @_;
1275		1803
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1278	}	1806	}
1279		1807
1280	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1281	sub uniq_path {	1809	sub uniq_path {
1282	my ($self) = @_;	1810	my ($self) = @_;
1283		1811
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1286	}	1814	}
1287		1815
1288	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1289	# all maps in C++...	1817	# all maps in C++...
1290	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1292		1820
1293	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1295	}	1823	}
1296		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1297	sub unlink_save {	1833	sub unlink_save {
1298	my ($self) = @_;	1834	my ($self) = @_;
1299		1835
1300	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1839	}
1309		1840
1310	sub load_header_from($) {	1841	sub load_header_from($) {
1311	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1312		1843
1313	utf8::encode $path;	1844	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1319		1853
1320	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1321		1855
1322	1	1856	1
1323	}	1857	}
…		…
1362	$self->load_header_orig	1896	$self->load_header_orig
1363	or return;	1897	or return;
1364	$self->prepare_orig;	1898	$self->prepare_orig;
1365	}	1899	}
1366		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
		1906
1367	1	1907	1
1368	}	1908	}
1369		1909
1370	sub find;	1910	sub find;
1371	sub find {	1911	sub find {
1372	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1373		1913
1374	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1375		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1377		1918
1378	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1380	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1381	or return;	1924	or return;
1382		1925
1383	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1384		1927
1385	$map->load_header	1928	$map->load_header
1386	or return;	1929	or return;
1387		1930
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1391	$map->reset;	1936	$map->reset;
1392	undef $guard;
1393	return find $path;	1937	return find $path;
1394	}	1938	}
1395		1939
1396	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1397	}	1941	}
…		…
1404	my ($self) = @_;	1948	my ($self) = @_;
1405		1949
1406	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1407		1951
1408	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1410		1956
		1957	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		1959
1413	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1414		1961
1415	$self->alloc;	1962	$self->alloc;
1416		1963
1417	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1418		1966
1419	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1420	or return;	1970	or return;
1421		1971
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1973	if delete $self->{load_original};
1424		1974
1425	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1976	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	1979	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1430	}	1983	}
1431	}	1984	}
1432		1985
1433	Coro::cede;	1986	$f->resolve_delayed_derefs;
1434		1987
		1988	cf::cede_to_tick;
1435	# now do the right thing for maps	1989	# now do the right thing for maps
1436	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1992	unless $self->difficulty;
1446	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1447	$self->activate;	2002	$self->activate;
		2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2009	}
1449		2010
1450	$self->post_load;	2011	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2012	}
1454		2013
1455	sub customise_for {	2014	sub customise_for {
1456	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1457		2016
1458	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2018	if $self->per_player;
1460		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1461	$self	2023	$self
1462	}	2024	}
1463		2025
1464	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2027	sub load_neighbours {
1466	my ($map) = @_;	2028	my ($map) = @_;
1467		2029
1468	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1469		2031
1470	for (0 .. 3) {	2032	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1472	or next;	2034	or next;
1473	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1474	or next;	2036	or next;
1475	$neigh->load;	2037	$neigh->load;
1476		2038
		2039	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2042	}
1480		2043
1481	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1483	or next;	2047	or next;
1484	$neigh->load;	2048	$neigh->load;
1485	}	2049	}
1486	}	2050	}
1487		2051
…		…
1492	}	2056	}
1493		2057
1494	sub do_load_sync {	2058	sub do_load_sync {
1495	my ($map) = @_;	2059	my ($map) = @_;
1496		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1497	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1498	}	2065	}
1499		2066
1500	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1502		2069
1503	sub find_async {	2070	sub find_async {
1504	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1505		2072
1506	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1507		2074
1508	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2077	}
1511		2078
1512	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1513	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1514	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2086	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2087	$map->load if $v;
		2088	}
1519		2089
1520	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1521	}	2091	}
1522	}	2092	}
1523	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1524	};	2094	};
1525	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2098	}
1529		2099
1530	sub save {	2100	sub save {
1531	my ($self) = @_;	2101	my ($self) = @_;
1532		2102
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2104
1535	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1536		2106
1537	return unless $self->dirty;	2107	return unless $self->dirty;
1538		2108
…		…
1544	return if $self->{deny_save};	2114	return if $self->{deny_save};
1545		2115
1546	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1547		2117
1548	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1550	};	2121	};
1551		2122
1552	if ($uniq) {	2123	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1561	my ($self) = @_;	2132	my ($self) = @_;
1562		2133
1563	# save first because save cedes	2134	# save first because save cedes
1564	$self->save;	2135	$self->save;
1565		2136
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2138
1568	return if $self->players;	2139	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2141	return if $self->{deny_save};
1571		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2147	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2148	}
1575		2149
1576	sub reset_at {	2150	sub reset_at {
1577	my ($self) = @_;	2151	my ($self) = @_;
1578		2152
1579	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1582		2155
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2158
…		…
1596	my ($self) = @_;	2169	my ($self) = @_;
1597		2170
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2172
1600	return if $self->players;	2173	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2174
1603	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
		2176
		2177	$self->in_memory (cf::MAP_SWAPPED);
		2178
		2179	# need to save uniques path
		2180	unless ($self->{deny_save}) {
		2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2182
		2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2184	if $uniq;
		2185	}
1604		2186
1605	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1606		2188
1607	$self->in_memory (cf::MAP_SWAPPED);	2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2191	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2192
1612	$self->unlink_save;	2193	$self->unlink_save;
1613	$self->destroy;	2194	$self->destroy;
1614	}	2195	}
1615		2196
1616	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1617		2198
1618	sub nuke {	2199	sub nuke {
1619	my ($self) = @_;	2200	my ($self) = @_;
1620		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1621	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1622		2206
1623	$self->unlink_save;	2207	$self->unlink_save;
1624		2208
1625	bless $self, "cf::map";	2209	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2214
1631	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1632		2217
1633	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1634	}	2255	}
1635		2256
1636	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1637		2258
1638	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2260	instantiated unique items. May block.
1640		2261
1641	=cut	2262	=cut
1642		2263
1643	sub unique_maps() {	2264	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1645	or return;	2266	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2267	utf8::decode $_;
1651	next if /\.pst$/;	2268	/\.map$/
1652	next unless /^$PATH_SEP/o;	2269	? normalise $_
1653		2270	: ()
1654	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2272	]
1656
1657	\@paths
1658	}	2273	}
1659		2274
1660	package cf;	2275	package cf;
1661		2276
1662	=back	2277	=back
…		…
1680	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1681	}	2296	}
1682		2297
1683	sub inv_recursive {	2298	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1685	}	2328	}
1686		2329
1687	package cf;	2330	package cf;
1688		2331
1689	=back	2332	=back
…		…
1708		2351
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2353
1711	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1713	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1716	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1717	}	2379	}
1718		2380
1719	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1720		2382
1721	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1769		2431
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2433
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1774		2436
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2438	}
1777		2439
1778	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1780		2444
1781	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1782		2446
1783	unless ($map) {	2447	unless ($map) {
1784	# restore original map position	2448	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1801		2465
1802	$map->load;	2466	$map->load;
1803	$map->load_diag;	2467	$map->load_neighbours;
1804		2468
1805	return unless $self->contr->active;	2469	return unless $self->contr->active;
1806	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1808	}	2474	}
1809		2475
1810	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2477
1814	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1818	};	2482	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2483
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1845		2487
1846	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2493
1849	$self->enter_link;	2494	$self->enter_link;
1850		2495
1851	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1852	my $map = eval {	2518	my $map = eval {
1853	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1855	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2534	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1860	})->prio (1);	2542	})->prio (1);
1861	}	2543	}
1862		2544
1863	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1864		2546
…		…
1903		2585
1904	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1905		2587
1906	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1909		2591
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2594	undef $fh;
1913	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1922		2604
1923	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1924		2606
1925	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1928	}	2612	}
1929		2613
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1933		2617
1934	$self->enter_link;	2618	$self->enter_link;
1935		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1936	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1937	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2628	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1940		2630
1941	1;	2631	1;
1942	}) {	2632	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2637
1948	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2639	$self->leave_link;
1950	}	2640	}
1951	})->prio (1);	2641	})->prio (1);
…		…
1964		2654
1965	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1967		2657
1968	utf8::encode $text;	2658	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2660	}
1971		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	"c/who" => {
		2697	id => "infobox",
		2698	title => "Players",
		2699	reply => undef,
		2700	tooltip => "Shows players who are currently online",
		2701	},
		2702	"c/body" => {
		2703	id => "infobox",
		2704	title => "Body Parts",
		2705	reply => undef,
		2706	tooltip => "Shows which body parts you posess and are available",
		2707	},
		2708	"c/uptime" => {
		2709	id => "infobox",
		2710	title => "Uptime",
		2711	reply => undef,
		2712	tooltip => "How long the server has been running sicne last restart",
		2713	},
		2714	"c/mapinfo" => {
		2715	id => "infobox",
		2716	title => "Map Info",
		2717	reply => undef,
		2718	tooltip => "Information related to the maps",
		2719	},
		2720	);
		2721
		2722	sub cf::client::send_msg {
		2723	my ($self, $channel, $msg, $color, @extra) = @_;
		2724
		2725	$msg = $self->pl->expand_cfpod ($msg);
		2726
		2727	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2728
		2729	# check predefined channels, for the benefit of C
		2730	if ($CHANNEL{$channel}) {
		2731	$channel = $CHANNEL{$channel};
		2732
		2733	$self->ext_msg (channel_info => $channel)
		2734	if $self->can_msg;
		2735
		2736	$channel = $channel->{id};
		2737
		2738	} elsif (ref $channel) {
		2739	# send meta info to client, if not yet sent
		2740	unless (exists $self->{channel}{$channel->{id}}) {
		2741	$self->{channel}{$channel->{id}} = $channel;
		2742	$self->ext_msg (channel_info => $channel)
		2743	if $self->can_msg;
		2744	}
		2745
		2746	$channel = $channel->{id};
		2747	}
		2748
		2749	return unless @extra || length $msg;
		2750
		2751	if ($self->can_msg) {
		2752	# default colour, mask it out
		2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2754	if $color & cf::NDI_DEF;
		2755
		2756	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2758	} else {
		2759	if ($color >= 0) {
		2760	# replace some tags by gcfclient-compatible ones
		2761	for ($msg) {
		2762	1 while
		2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2768	}
		2769
		2770	$color &= cf::NDI_COLOR_MASK;
		2771
		2772	utf8::encode $msg;
		2773
		2774	if (0 && $msg =~ /\[/) {
		2775	# COMMAND/INFO
		2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2777	} else {
		2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2779	$self->send_packet ("drawinfo $color $msg")
		2780	}
		2781	}
		2782	}
		2783	}
		2784
		2785	=item $client->ext_msg ($type, @msg)
		2786
		2787	Sends an ext event to the client.
		2788
		2789	=cut
		2790
		2791	sub cf::client::ext_msg($$@) {
		2792	my ($self, $type, @msg) = @_;
		2793
		2794	if ($self->extcmd == 2) {
		2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2796	} elsif ($self->extcmd == 1) { # TODO: remove
		2797	push @msg, msgtype => "event_$type";
		2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2799	}
		2800	}
		2801
		2802	=item $client->ext_reply ($msgid, @msg)
		2803
		2804	Sends an ext reply to the client.
		2805
		2806	=cut
		2807
		2808	sub cf::client::ext_reply($$@) {
		2809	my ($self, $id, @msg) = @_;
		2810
		2811	if ($self->extcmd == 2) {
		2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2813	} elsif ($self->extcmd == 1) {
		2814	#TODO: version 1, remove
		2815	unshift @msg, msgtype => "reply", msgid => $id;
		2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2817	}
		2818	}
1972		2819
1973	=item $success = $client->query ($flags, "text", \&cb)	2820	=item $success = $client->query ($flags, "text", \&cb)
1974		2821
1975	Queues a query to the client, calling the given callback with	2822	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2823	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2824	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2825
1979	Queries can fail, so check the return code. Or don't, as queries will become	2826	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2827	become reliable at some point in the future.
1981		2828
1982	=cut	2829	=cut
1983		2830
1984	sub cf::client::query {	2831	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2832	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2840	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2841	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2842
1996	$self->send_packet ($self->{query_queue}[0][0])	2843	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2844	if @{ $self->{query_queue} } == 1;
		2845
		2846	1
1998	}	2847	}
1999		2848
2000	cf::client->attach (	2849	cf::client->attach (
		2850	on_connect => sub {
		2851	my ($ns) = @_;
		2852
		2853	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2854	},
2001	on_reply => sub {	2855	on_reply => sub {
2002	my ($ns, $msg) = @_;	2856	my ($ns, $msg) = @_;
2003		2857
2004	# this weird shuffling is so that direct followup queries	2858	# this weird shuffling is so that direct followup queries
2005	# get handled first	2859	# get handled first
…		…
2017	} else {	2871	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2872	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2873	}
2020	}	2874	}
2021	},	2875	},
		2876	on_exticmd => sub {
		2877	my ($ns, $buf) = @_;
		2878
		2879	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2880
		2881	if (ref $msg) {
		2882	my ($type, $reply, @payload) =
		2883	"ARRAY" eq ref $msg
		2884	? @$msg
		2885	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2886
		2887	my @reply;
		2888
		2889	if (my $cb = $EXTICMD{$type}) {
		2890	@reply = $cb->($ns, @payload);
		2891	}
		2892
		2893	$ns->ext_reply ($reply, @reply)
		2894	if $reply;
		2895
		2896	} else {
		2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2898	}
		2899
		2900	cf::override;
		2901	},
2022	);	2902	);
2023		2903
2024	=item $client->async (\&cb)	2904	=item $client->async (\&cb)
2025		2905
2026	Create a new coroutine, running the specified callback. The coroutine will	2906	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2947	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2948	our $safe_hole = new Safe::Hole;
2069		2949
2070	$SIG{FPE} = 'IGNORE';	2950	$SIG{FPE} = 'IGNORE';
2071		2951
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2952	$safe->permit_only (Opcode::opset qw(
		2953	:base_core :base_mem :base_orig :base_math
		2954	grepstart grepwhile mapstart mapwhile
		2955	sort time
		2956	));
2073		2957
2074	# here we export the classes and methods available to script code	2958	# here we export the classes and methods available to script code
2075		2959
2076	=pod	2960	=pod
2077		2961
2078	The following fucntions and emthods are available within a safe environment:	2962	The following functions and methods are available within a safe environment:
2079		2963
2080	cf::object contr pay_amount pay_player map	2964	cf::object
		2965	contr pay_amount pay_player map x y force_find force_add destroy
		2966	insert remove name archname title slaying race decrease_ob_nr
		2967
2081	cf::object::player player	2968	cf::object::player
2082	cf::player peaceful	2969	player
2083	cf::map trigger	2970
		2971	cf::player
		2972	peaceful
		2973
		2974	cf::map
		2975	trigger
2084		2976
2085	=cut	2977	=cut
2086		2978
2087	for (	2979	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2981	insert remove inv name archname title slaying race
		2982	decrease_ob_nr destroy)],
2089	["cf::object::player" => qw(player)],	2983	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2984	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2985	["cf::map" => qw(trigger)],
2092	) {	2986	) {
2093	no strict 'refs';	2987	no strict 'refs';
…		…
2164	=back	3058	=back
2165		3059
2166	=cut	3060	=cut
2167		3061
2168	#############################################################################	3062	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3063	# the server's init and main functions
2278		3064
2279	sub load_resources {	3065	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3066	my ($path) = @_;
		3067
		3068	# HACK to clear player env face cache, we need some signal framework
		3069	# for this (global event?)
		3070	%ext::player_env::MUSIC_FACE_CACHE = ();
		3071
		3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3073
		3074	warn "loading facedata from $path\n";
		3075
		3076	my $facedata;
		3077	0 < aio_load $path, $facedata
		3078	or die "$path: $!";
		3079
		3080	$facedata = Coro::Storable::thaw $facedata;
		3081
		3082	$facedata->{version} == 2
		3083	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3084
		3085	# patch in the exptable
		3086	$facedata->{resource}{"res/exp_table"} = {
		3087	type => FT_RSRC,
		3088	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3089	};
		3090	cf::cede_to_tick;
		3091
		3092	{
		3093	my $faces = $facedata->{faceinfo};
		3094
		3095	while (my ($face, $info) = each %$faces) {
		3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3097	cf::face::set_visibility $idx, $info->{visibility};
		3098	cf::face::set_magicmap $idx, $info->{magicmap};
		3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3101
		3102	cf::cede_to_tick;
		3103	}
		3104
		3105	while (my ($face, $info) = each %$faces) {
		3106	next unless $info->{smooth};
		3107	my $idx = cf::face::find $face
		3108	or next;
		3109	if (my $smooth = cf::face::find $info->{smooth}) {
		3110	cf::face::set_smooth $idx, $smooth;
		3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3112	} else {
		3113	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3114	}
		3115
		3116	cf::cede_to_tick;
		3117	}
		3118	}
		3119
		3120	{
		3121	my $anims = $facedata->{animinfo};
		3122
		3123	while (my ($anim, $info) = each %$anims) {
		3124	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	cf::anim::invalidate_all; # d'oh
		3129	}
		3130
		3131	{
		3132	# TODO: for gcfclient pleasure, we should give resources
		3133	# that gcfclient doesn't grok a >10000 face index.
		3134	my $res = $facedata->{resource};
		3135
		3136	my $soundconf = delete $res->{"res/sound.conf"};
		3137
		3138	while (my ($name, $info) = each %$res) {
		3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3140	my $data;
		3141
		3142	if ($info->{type} & 1) {
		3143	# prepend meta info
		3144
		3145	my $meta = $enc->encode ({
		3146	name => $name,
		3147	%{ $info->{meta} || {} },
		3148	});
		3149
		3150	$data = pack "(w/a*)*", $meta, $info->{data};
		3151	} else {
		3152	$data = $info->{data};
		3153	}
		3154
		3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3156	cf::face::set_type $idx, $info->{type};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	if ($soundconf) {
		3162	$soundconf = $enc->decode (delete $soundconf->{data});
		3163
		3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3165	my $sound = $soundconf->{compat}[$_]
		3166	or next;
		3167
		3168	my $face = cf::face::find "sound/$sound->[1]";
		3169	cf::sound::set $sound->[0] => $face;
		3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3171	}
		3172
		3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3174	my $face = cf::face::find "sound/$v";
		3175	cf::sound::set $k => $face;
		3176	}
		3177	}
		3178	}
		3179
		3180	1
		3181	}
		3182
		3183	register_exticmd fx_want => sub {
		3184	my ($ns, $want) = @_;
		3185
		3186	while (my ($k, $v) = each %$want) {
		3187	$ns->fx_want ($k, $v);
		3188	}
		3189	};
		3190
		3191	sub reload_regions {
		3192	# HACK to clear player env face cache, we need some signal framework
		3193	# for this (global event?)
		3194	%ext::player_env::MUSIC_FACE_CACHE = ();
		3195
		3196	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3197	or die "unable to load regions file\n";
2282	}
2283		3198
2284	sub cfg_load {	3199	for (cf::region::list) {
		3200	$_->{match} = qr/$_->{match}/
		3201	if exists $_->{match};
		3202	}
		3203	}
		3204
		3205	sub reload_facedata {
		3206	load_facedata "$DATADIR/facedata"
		3207	or die "unable to load facedata\n";
		3208	}
		3209
		3210	sub reload_archetypes {
		3211	load_resource_file "$DATADIR/archetypes"
		3212	or die "unable to load archetypes\n";
		3213	#d# NEED to laod twice to resolve forward references
		3214	# this really needs to be done in an extra post-pass
		3215	# (which needs to be synchronous, so solve it differently)
		3216	load_resource_file "$DATADIR/archetypes"
		3217	or die "unable to load archetypes\n";
		3218	}
		3219
		3220	sub reload_treasures {
		3221	load_resource_file "$DATADIR/treasures"
		3222	or die "unable to load treasurelists\n";
		3223	}
		3224
		3225	sub reload_resources {
		3226	warn "reloading resource files...\n";
		3227
		3228	reload_regions;
		3229	reload_facedata;
		3230	#reload_archetypes;#d#
		3231	reload_archetypes;
		3232	reload_treasures;
		3233
		3234	warn "finished reloading resource files\n";
		3235	}
		3236
		3237	sub init {
		3238	reload_resources;
		3239	}
		3240
		3241	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3242	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3243	or return;
2287		3244
2288	local $/;	3245	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3246	*CFG = YAML::Syck::Load <$fh>;
2290		3247
…		…
2300	};	3257	};
2301	warn $@ if $@;	3258	warn $@ if $@;
2302	}	3259	}
2303	}	3260	}
2304		3261
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3262	sub main {
2310	# we must not ever block the main coroutine	3263	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3264	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3266	(async {
		3267	$Coro::current->{desc} = "IDLE BUG HANDLER";
2314	Event::one_event;	3268	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3269	})->prio (Coro::PRIO_MAX);
2316	};	3270	};
2317		3271
2318	cfg_load;	3272	reload_config;
2319	db_load;	3273	db_init;
2320	load_extensions;	3274	load_extensions;
2321		3275
2322	$TICK_WATCHER->start;	3276	$TICK_WATCHER->start;
2323	Event::loop;	3277	Event::loop;
2324	}	3278	}
…		…
2339	},	3293	},
2340	);	3294	);
2341	}	3295	}
2342	}	3296	}
2343		3297
		3298	sub write_runtime {
		3299	my $runtime = "$LOCALDIR/runtime";
		3300
		3301	# first touch the runtime file to show we are still running:
		3302	# the fsync below can take a very very long time.
		3303
		3304	IO::AIO::aio_utime $runtime, undef, undef;
		3305
		3306	my $guard = cf::lock_acquire "write_runtime";
		3307
		3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3309	or return;
		3310
		3311	my $value = $cf::RUNTIME + 90 + 10;
		3312	# 10 is the runtime save interval, for a monotonic clock
		3313	# 60 allows for the watchdog to kill the server.
		3314
		3315	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3316	and return;
		3317
		3318	# always fsync - this file is important
		3319	aio_fsync $fh
		3320	and return;
		3321
		3322	# touch it again to show we are up-to-date
		3323	aio_utime $fh, undef, undef;
		3324
		3325	close $fh
		3326	or return;
		3327
		3328	aio_rename "$runtime~", $runtime
		3329	and return;
		3330
		3331	warn "runtime file written.\n";
		3332
		3333	1
		3334	}
		3335
2344	sub emergency_save() {	3336	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3337	my $freeze_guard = cf::freeze_mainloop;
2346		3338
2347	warn "enter emergency perl save\n";	3339	warn "enter emergency perl save\n";
2348		3340
…		…
2352	# and maps saved/destroyed asynchronously.	3344	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3345	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3346	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3347	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3348	$pl->valid or next;
		3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3350	$pl->save;
2358	}	3351	}
2359	warn "end emergency player save\n";	3352	warn "end emergency player save\n";
2360		3353
2361	warn "begin emergency map save\n";	3354	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3356	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3357	$map->valid or next;
2365	$map->save;	3358	$map->save;
2366	}	3359	}
2367	warn "end emergency map save\n";	3360	warn "end emergency map save\n";
		3361
		3362	warn "begin emergency database checkpoint\n";
		3363	BDB::db_env_txn_checkpoint $DB_ENV;
		3364	warn "end emergency database checkpoint\n";
2368	};	3365	};
2369		3366
2370	warn "leave emergency perl save\n";	3367	warn "leave emergency perl save\n";
2371	}	3368	}
2372		3369
		3370	sub post_cleanup {
		3371	my ($make_core) = @_;
		3372
		3373	warn Carp::longmess "post_cleanup backtrace"
		3374	if $make_core;
		3375	}
		3376
2373	sub reload() {	3377	sub do_reload_perl() {
2374	# can/must only be called in main	3378	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3379	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3380	warn "can only reload from main coroutine";
2377	return;	3381	return;
2378	}	3382	}
2379		3383
2380	warn "reloading...";	3384	warn "reloading...";
2381		3385
2382	warn "cancelling server ticker";	3386	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3387
		3388	cf::sync_job {
		3389	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3390	cf::emergency_save;
		3391	cf::write_runtime; # external watchdog should not bark
2386		3392
2387	eval {	3393	warn "syncing database to disk";
		3394	BDB::db_env_txn_checkpoint $DB_ENV;
		3395
2388	# if anything goes wrong in here, we should simply crash as we already saved	3396	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3397
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3398	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3399	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3400	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3401	}
2397		3402
2398	warn "flushing outstanding aio requests";	3403	warn "flushing outstanding aio requests";
2399	for (;;) {	3404	for (;;) {
		3405	BDB::flush;
2400	IO::AIO::flush;	3406	IO::AIO::flush;
2401	Coro::cede;	3407	Coro::cede_notself;
2402	last unless IO::AIO::nreqs;	3408	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3409	warn "iterate...";
2404	}	3410	}
		3411
		3412	++$RELOAD;
2405		3413
2406	warn "cancelling all extension coros";	3414	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3415	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3416	%EXT_CORO = ();
2409		3417
2410	warn "removing commands";	3418	warn "removing commands";
2411	%COMMAND = ();	3419	%COMMAND = ();
2412		3420
2413	warn "removing ext commands";	3421	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3422	%EXTCMD = ();
		3423	%EXTICMD = ();
2415		3424
2416	warn "unloading/nuking all extensions";	3425	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3426	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3427	warn "... unloading $pkg";
2419		3428
…		…
2449	Symbol::delete_package "safe::$_"	3458	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3460
2452	warn "unloading cf.pm \"a bit\"";	3461	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3462	delete $INC{"cf.pm"};
		3463	delete $INC{"cf/pod.pm"};
2454		3464
2455	# don't, removes xs symbols, too,	3465	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3466	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3467	#Symbol::delete_package __PACKAGE__;
2458		3468
…		…
2461	warn "reloading cf.pm";	3471	warn "reloading cf.pm";
2462	require cf;	3472	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3474
2465	warn "loading config and database again";	3475	warn "loading config and database again";
2466	cf::cfg_load;	3476	cf::reload_config;
2467	cf::db_load;
2468		3477
2469	warn "loading extensions";	3478	warn "loading extensions";
2470	cf::load_extensions;	3479	cf::load_extensions;
2471		3480
2472	warn "reattaching attachments to objects/players";	3481	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3482	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3483	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3484	reattach $_ for values %MAP;
		3485	warn "reattaching attachments to players";
		3486	reattach $_ for values %PLAYER;
2476		3487
2477	warn "loading reloadable resources";	3488	warn "leaving sync_job";
2478	load_resources;
2479		3489
2480	warn "restarting server ticker";	3490	1
2481		3491	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3492	warn $@;
2487	warn "error while reloading, exiting.";	3493	warn "error while reloading, exiting.";
2488	exit 1;	3494	exit 1;
2489	}	3495	};
2490		3496
2491	warn "reloaded";	3497	warn "reloaded";
2492	};	3498	};
2493		3499
2494	our $RELOAD_WATCHER; # used only during reload	3500	our $RELOAD_WATCHER; # used only during reload
2495		3501
		3502	sub reload_perl() {
		3503	# doing reload synchronously and two reloads happen back-to-back,
		3504	# coro crashes during coro_state_free->destroy here.
		3505
		3506	$RELOAD_WATCHER ||= Event->timer (
		3507	reentrant => 0,
		3508	after => 0,
		3509	data => WF_AUTOCANCEL,
		3510	cb => sub {
		3511	do_reload_perl;
		3512	undef $RELOAD_WATCHER;
		3513	},
		3514	);
		3515	}
		3516
2496	register_command "reload" => sub {	3517	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3518	my ($who, $arg) = @_;
2498		3519
2499	if ($who->flag (FLAG_WIZ)) {	3520	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3521	$who->message ("reloading server.");
2501		3522	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3523	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3524	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3525	};
2514	}	3526	}
2515	};	3527	};
2516		3528
2517	unshift @INC, $LIBDIR;	3529	unshift @INC, $LIBDIR;
2518		3530
2519	my $bug_warning = 0;	3531	my $bug_warning = 0;
		3532
		3533	our @WAIT_FOR_TICK;
		3534	our @WAIT_FOR_TICK_BEGIN;
		3535
		3536	sub wait_for_tick {
		3537	return unless $TICK_WATCHER->is_active;
		3538	return if $Coro::current == $Coro::main;
		3539
		3540	my $signal = new Coro::Signal;
		3541	push @WAIT_FOR_TICK, $signal;
		3542	$signal->wait;
		3543	}
		3544
		3545	sub wait_for_tick_begin {
		3546	return unless $TICK_WATCHER->is_active;
		3547	return if $Coro::current == $Coro::main;
		3548
		3549	my $signal = new Coro::Signal;
		3550	push @WAIT_FOR_TICK_BEGIN, $signal;
		3551	$signal->wait;
		3552	}
2520		3553
2521	$TICK_WATCHER = Event->timer (	3554	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3555	reentrant => 0,
2523	parked => 1,	3556	parked => 1,
2524	prio => 0,	3557	prio => 0,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3563	unless ++$bug_warning > 10;
2531	return;	3564	return;
2532	}	3565	}
2533		3566
2534	$NOW = Event::time;	3567	$NOW = $tick_start = Event::time;
2535		3568
2536	cf::server_tick; # one server iteration	3569	cf::server_tick; # one server iteration
		3570
2537	$RUNTIME += $TICK;	3571	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3572	$NEXT_TICK += $TICK;
2539		3573
2540	$WAIT_FOR_TICK->broadcast;	3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3575	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3576	Coro::async_pool {
2543	Event::sweep;	3577	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;	3578	write_runtime
		3579	or warn "ERROR: unable to write runtime file: $!";
		3580	};
2545		3581	}
2546	# my $AFTER = Event::time;	3582
2547	# warn $AFTER - $NOW;#d#	3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3584	$sig->send;
		3585	}
		3586	while (my $sig = shift @WAIT_FOR_TICK) {
		3587	$sig->send;
		3588	}
		3589
		3590	$NOW = Event::time;
2548		3591
2549	# if we are delayed by four ticks or more, skip them all	3592	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3594
2552	$TICK_WATCHER->at ($NEXT_TICK);	3595	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3596	$TICK_WATCHER->start;
		3597
		3598	$LOAD = ($NOW - $tick_start) / $TICK;
		3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3600
		3601	_post_tick;
2554	},	3602	},
2555	);	3603	);
2556		3604
		3605	{
		3606	BDB::min_parallel 8;
		3607	BDB::max_poll_time $TICK * 0.1;
		3608	$BDB_POLL_WATCHER = Event->io (
		3609	reentrant => 0,
		3610	fd => BDB::poll_fileno,
		3611	poll => 'r',
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => \&BDB::poll_cb,
		3615	);
		3616
		3617	BDB::set_sync_prepare {
		3618	my $status;
		3619	my $current = $Coro::current;
		3620	(
		3621	sub {
		3622	$status = $!;
		3623	$current->ready; undef $current;
		3624	},
		3625	sub {
		3626	Coro::schedule while defined $current;
		3627	$! = $status;
		3628	},
		3629	)
		3630	};
		3631
		3632	unless ($DB_ENV) {
		3633	$DB_ENV = BDB::db_env_create;
		3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3635	| BDB::LOG_AUTOREMOVE, 1);
		3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3638
		3639	cf::sync_job {
		3640	eval {
		3641	BDB::db_env_open
		3642	$DB_ENV,
		3643	$BDBDIR,
		3644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3646	0666;
		3647
		3648	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3649	};
		3650
		3651	cf::cleanup "db_env_open(db): $@" if $@;
		3652	};
		3653	}
		3654
		3655	$BDB_DEADLOCK_WATCHER = Event->timer (
		3656	after => 3,
		3657	interval => 1,
		3658	hard => 1,
		3659	prio => 0,
		3660	data => WF_AUTOCANCEL,
		3661	cb => sub {
		3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3663	},
		3664	);
		3665	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3666	after => 11,
		3667	interval => 60,
		3668	hard => 1,
		3669	prio => 0,
		3670	data => WF_AUTOCANCEL,
		3671	cb => sub {
		3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3673	},
		3674	);
		3675	$BDB_TRICKLE_WATCHER = Event->timer (
		3676	after => 5,
		3677	interval => 10,
		3678	hard => 1,
		3679	prio => 0,
		3680	data => WF_AUTOCANCEL,
		3681	cb => sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	},
		3684	);
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3693	reentrant => 0,
		3694	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3695	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3696	poll => 'r',
2564	prio => 6,	3697	prio => 0,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3698	cb => \&IO::AIO::poll_cb,
2567	);	3699	);
		3700	}
2568		3701
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3702	my $_log_backtrace;
2570	reentrant => 0,	3703
2571	data => WF_AUTOCANCEL,	3704	sub _log_backtrace {
2572	after => 1,	3705	my ($msg, @addr) = @_;
2573	interval => 10,	3706
2574	prio => 6, # keep it lowest so it acts like a watchdog	3707	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3708
2576	write_runtime	3709	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3710	if ($_log_backtrace < 2) {
		3711	++$_log_backtrace;
		3712	async {
		3713	$Coro::current->{desc} = "abt $msg";
		3714
		3715	my @bt = fork_call {
		3716	@addr = map { sprintf "%x", $_ } @addr;
		3717	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3718	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3719	or die "addr2line: $!";
		3720
		3721	my @funcs;
		3722	my @res = <$fh>;
		3723	chomp for @res;
		3724	while (@res) {
		3725	my ($func, $line) = splice @res, 0, 2, ();
		3726	push @funcs, "[$func] $line";
		3727	}
		3728
		3729	@funcs
		3730	};
		3731
		3732	LOG llevInfo, "[ABT] $msg\n";
		3733	LOG llevInfo, "[ABT] $_\n" for @bt;
		3734	--$_log_backtrace;
		3735	};
		3736	} else {
		3737	LOG llevInfo, "[ABT] $msg\n";
		3738	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3739	}
2579	);	3740	}
		3741
		3742	# load additional modules
		3743	use cf::pod;
2580		3744
2581	END { cf::emergency_save }	3745	END { cf::emergency_save }
2582		3746
2583	1	3747	1
2584		3748

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