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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 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; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		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;
54		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::blocking_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;
814	$av = eval { (Storable::thaw $av)->{objs} };
815	}
816		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
819	return ($data, $av);	1136	($data, $av)
820	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
821		1144
822	#############################################################################	1145	#############################################################################
823	# command handling &c	1146	# command handling &c
824		1147
825	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1162	}
840		1163
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1165
843	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
844		1171
845	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
846	called.	1173	called.
847		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
848	=cut	1186	=cut
849		1187
850	sub register_extcmd {	1188	sub register_extcmd {
851	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
852		1190
853	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
854	}	1198	}
855		1199
856	cf::player->attach (	1200	cf::player->attach (
857	on_command => sub {	1201	on_command => sub {
858	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1211	cf::override;
868	},	1212	},
869	on_extcmd => sub {	1213	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
871		1215
872	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1217
874	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
880	} else {	1233	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1235	}
883		1236
884	cf::override;	1237	cf::override;
885	},	1238	},
886	);	1239	);
887		1240
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 {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
923	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1246	next unless -r $path;
925	eval {	1247
926	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
927	1	1305	}
928	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
929	}	1311	};
930	}	1312	}
931		1313
932	#############################################################################	1314	#############################################################################
933		1315
		1316	=back
		1317
934	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
935		1319
936	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
937		1321
938	=cut	1322	=cut
…		…
943		1327
944	=head3 cf::player	1328	=head3 cf::player
945		1329
946	=over 4	1330	=over 4
947		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
948	=item cf::player::find $login	1346	=item cf::player::find $login
949		1347
950	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
951		1349
952	=cut	1350	=cut
953		1351
954	sub playerdir($) {	1352	sub playerdir($) {
955	cf::localdir	1353	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1355	}
961		1356
962	sub path($) {	1357	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1359
965	(playerdir $login) . "/$login.pl"	1360	(playerdir $login) . "/playerdata"
966	}	1361	}
967		1362
968	sub find_active($) {	1363	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1364	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1365	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1378	my $login = $_[0];
984		1379
985	my $guard = cf::lock_acquire "user_find:$login";	1380	my $guard = cf::lock_acquire "user_find:$login";
986		1381
987	$cf::PLAYER{$_[0]} || do {	1382	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1383	# rename old playerfiles to new ones
		1384	#TODO: remove when no longer required
		1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1388	aio_unlink +(playerdir $login) . "/$login.pl";
		1389
		1390	my $f = new_from_file cf::object::thawer path $login
989	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
991	}	1398	}
992	}	1399	}
993	}	1400	}
994		1401
…		…
1004		1411
1005	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1007		1414
1008	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1009	Coro::cede;	1416	cf::cede_to_tick;
1010	}	1417	}
1011		1418
1012	sub new($) {	1419	sub new($) {
1013	my ($login) = @_;	1420	my ($login) = @_;
1014		1421
…		…
1020	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1021		1428
1022	$self	1429	$self
1023	}	1430	}
1024		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
		1440	}
		1441
1025	=item $pl->quit_character	1442	=item $pl->quit_character
1026		1443
1027	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1445	be destroyed. May block for a long time.
1029		1446
1030	=cut	1447	=cut
1031		1448
1032	sub quit_character {	1449	sub quit_character {
1033	my ($pl) = @_;	1450	my ($pl) = @_;
		1451
		1452	my $name = $pl->ob->name;
1034		1453
1035	$pl->{deny_save} = 1;	1454	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1455	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1456
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1462	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1463	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1464	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1465	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1466	$pl->destroy;
		1467
		1468	my $prefix = qr<^~\Q$name\E/>;
		1469
		1470	# nuke player maps
		1471	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1472
1048	IO::AIO::aio_rmtree $temp;	1473	IO::AIO::aio_rmtree $temp;
		1474	}
		1475
		1476	=item $pl->kick
		1477
		1478	Kicks a player out of the game. This destroys the connection.
		1479
		1480	=cut
		1481
		1482	sub kick {
		1483	my ($pl, $kicker) = @_;
		1484
		1485	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1486	$pl->killer ("kicked");
		1487	$pl->ns->destroy;
1049	}	1488	}
1050		1489
1051	=item cf::player::list_logins	1490	=item cf::player::list_logins
1052		1491
1053	Returns am arrayref of all valid playernames in the system, can take a	1492	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1055		1494
1056	=cut	1495	=cut
1057		1496
1058	sub list_logins {	1497	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1499	or return [];
1061		1500
1062	my @logins;	1501	my @logins;
1063		1502
1064	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1068		1512
1069	utf8::decode $login;	1513	utf8::decode $login;
1070	push @logins, $login;	1514	push @logins, $login;
1071	}	1515	}
1072		1516
…		…
1099	}	1543	}
1100		1544
1101	\@paths	1545	\@paths
1102	}	1546	}
1103		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1105		1600
1106	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1107		1602
1108	=cut	1603	=cut
1109		1604
1110	sub ext_reply($$$%) {	1605	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1112		1607
1113	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1609	}
1117		1610
1118	package cf;	1611	=item $player->ext_msg ($type, @msg)
		1612
		1613	Sends an ext event to the client.
		1614
		1615	=cut
		1616
		1617	sub ext_msg($$@) {
		1618	my ($self, $type, @msg) = @_;
		1619
		1620	$self->ns->ext_msg ($type, @msg);
		1621	}
		1622
		1623	=head3 cf::region
		1624
		1625	=over 4
		1626
		1627	=cut
		1628
		1629	package cf::region;
		1630
		1631	=item cf::region::find_by_path $path
		1632
		1633	Tries to decuce the likely region for a map knowing only its path.
		1634
		1635	=cut
		1636
		1637	sub find_by_path($) {
		1638	my ($path) = @_;
		1639
		1640	my ($match, $specificity);
		1641
		1642	for my $region (list) {
		1643	if ($region->{match} && $path =~ $region->{match}) {
		1644	($match, $specificity) = ($region, $region->specificity)
		1645	if $region->specificity > $specificity;
		1646	}
		1647	}
		1648
		1649	$match
		1650	}
1119		1651
1120	=back	1652	=back
1121
1122		1653
1123	=head3 cf::map	1654	=head3 cf::map
1124		1655
1125	=over 4	1656	=over 4
1126		1657
…		…
1181	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1182		1713
1183	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1184	local $self->{path};	1715	local $self->{path};
1185	local $self->{load_path};	1716	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1717
1189	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1190	}	1719	}
1191		1720
1192	sub normalise {	1721	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1240	return $self;	1769	return $self;
1241	}	1770	}
1242	}	1771	}
1243		1772
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1774	()
1246	}	1775	}
1247		1776
1248	sub init {	1777	sub init {
1249	my ($self) = @_;	1778	my ($self) = @_;
…		…
1264		1793
1265	# the original (read-only) location	1794	# the original (read-only) location
1266	sub load_path {	1795	sub load_path {
1267	my ($self) = @_;	1796	my ($self) = @_;
1268		1797
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1798	"$MAPDIR/$self->{path}.map"
1270	}	1799	}
1271		1800
1272	# the temporary/swap location	1801	# the temporary/swap location
1273	sub save_path {	1802	sub save_path {
1274	my ($self) = @_;	1803	my ($self) = @_;
1275		1804
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1806	"$TMPDIR/$path.map"
1278	}	1807	}
1279		1808
1280	# the unique path, undef == no special unique path	1809	# the unique path, undef == no special unique path
1281	sub uniq_path {	1810	sub uniq_path {
1282	my ($self) = @_;	1811	my ($self) = @_;
1283		1812
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1814	"$UNIQUEDIR/$path"
1286	}	1815	}
1287		1816
1288	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1289	# all maps in C++...	1818	# all maps in C++...
1290	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1292		1821
1293	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1295	}	1824	}
1296		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1297	sub unlink_save {	1834	sub unlink_save {
1298	my ($self) = @_;	1835	my ($self) = @_;
1299		1836
1300	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1839	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	}	1840	}
1309		1841
1310	sub load_header_from($) {	1842	sub load_header_from($) {
1311	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1312		1844
1313	utf8::encode $path;	1845	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1319		1854
1320	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1321		1856
1322	1	1857	1
1323	}	1858	}
…		…
1362	$self->load_header_orig	1897	$self->load_header_orig
1363	or return;	1898	or return;
1364	$self->prepare_orig;	1899	$self->prepare_orig;
1365	}	1900	}
1366		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
		1905	$self->default_region (cf::region::find_by_path $self->{path})
		1906	unless $self->default_region;
		1907
1367	1	1908	1
1368	}	1909	}
1369		1910
1370	sub find;	1911	sub find;
1371	sub find {	1912	sub find {
1372	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1373		1914
1374	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1375		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1377		1919
1378	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1380	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1381	or return;	1925	or return;
1382		1926
1383	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1384		1928
1385	$map->load_header	1929	$map->load_header
1386	or return;	1930	or return;
1387		1931
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1391	$map->reset;	1937	$map->reset;
1392	undef $guard;
1393	return find $path;	1938	return find $path;
1394	}	1939	}
1395		1940
1396	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1397	}	1942	}
…		…
1404	my ($self) = @_;	1949	my ($self) = @_;
1405		1950
1406	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1407		1952
1408	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1410		1957
		1958	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		1960
1413	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1414		1962
1415	$self->alloc;	1963	$self->alloc;
1416		1964
1417	$self->pre_load;	1965	$self->pre_load;
		1966	cf::cede_to_tick;
1418		1967
1419	$self->_load_objects ($self->{load_path}, 1)	1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1420	or return;	1971	or return;
1421		1972
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1974	if delete $self->{load_original};
1424		1975
1425	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1977	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	1980	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1430	}	1984	}
1431	}	1985	}
1432		1986
1433	Coro::cede;	1987	$f->resolve_delayed_derefs;
1434		1988
		1989	cf::cede_to_tick;
1435	# now do the right thing for maps	1990	# now do the right thing for maps
1436	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1437
1438	unless ($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)	1992	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1993	unless $self->difficulty;
1446	Coro::cede;	1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1447	$self->activate;	2003	$self->activate;
		2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
		2009	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2010	}
1449		2011
1450	$self->post_load;	2012	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2013	}
1454		2014
1455	sub customise_for {	2015	sub customise_for {
1456	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1457		2017
1458	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2019	if $self->per_player;
1460		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1461	$self	2024	$self
1462	}	2025	}
1463		2026
1464	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2028	sub load_neighbours {
1466	my ($map) = @_;	2029	my ($map) = @_;
1467		2030
1468	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1469		2032
1470	for (0 .. 3) {	2033	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1472	or next;	2035	or next;
1473	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1474	or next;	2037	or next;
1475	$neigh->load;	2038	$neigh->load;
1476		2039
		2040	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2043	}
1480		2044
1481	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1483	or next;	2048	or next;
1484	$neigh->load;	2049	$neigh->load;
1485	}	2050	}
1486	}	2051	}
1487		2052
…		…
1492	}	2057	}
1493		2058
1494	sub do_load_sync {	2059	sub do_load_sync {
1495	my ($map) = @_;	2060	my ($map) = @_;
1496		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1497	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1498	}	2066	}
1499		2067
1500	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1502		2070
1503	sub find_async {	2071	sub find_async {
1504	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1505		2073
1506	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1507		2075
1508	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2078	}
1511		2079
1512	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1513	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1514	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2087	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2088	$map->load if $v;
		2089	}
1519		2090
1520	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1521	}	2092	}
1522	}	2093	}
1523	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1524	};	2095	};
1525	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2099	}
1529		2100
1530	sub save {	2101	sub save {
1531	my ($self) = @_;	2102	my ($self) = @_;
1532		2103
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2105
1535	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1536		2107
1537	return unless $self->dirty;	2108	return unless $self->dirty;
1538		2109
…		…
1544	return if $self->{deny_save};	2115	return if $self->{deny_save};
1545		2116
1546	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1547		2118
1548	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1550	};	2122	};
1551		2123
1552	if ($uniq) {	2124	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1561	my ($self) = @_;	2133	my ($self) = @_;
1562		2134
1563	# save first because save cedes	2135	# save first because save cedes
1564	$self->save;	2136	$self->save;
1565		2137
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2139
1568	return if $self->players;	2140	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2142	return if $self->{deny_save};
1571		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2148	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2149	}
1575		2150
1576	sub reset_at {	2151	sub reset_at {
1577	my ($self) = @_;	2152	my ($self) = @_;
1578		2153
1579	# TODO: safety, remove and allow resettable per-player maps	2154	# 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};	2155	return 1e99 if $self->{deny_reset};
1582		2156
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2159
…		…
1596	my ($self) = @_;	2170	my ($self) = @_;
1597		2171
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2173
1600	return if $self->players;	2174	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2175
1603	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	# need to save uniques path
		2181	unless ($self->{deny_save}) {
		2182	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2183
		2184	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2185	if $uniq;
		2186	}
1604		2187
1605	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1606		2189
1607	$self->in_memory (cf::MAP_SWAPPED);	2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2192	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2193
1612	$self->unlink_save;	2194	$self->unlink_save;
1613	$self->destroy;	2195	$self->destroy;
1614	}	2196	}
1615		2197
1616	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1617		2199
1618	sub nuke {	2200	sub nuke {
1619	my ($self) = @_;	2201	my ($self) = @_;
1620		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1621	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1622		2207
1623	$self->unlink_save;	2208	$self->unlink_save;
1624		2209
1625	bless $self, "cf::map";	2210	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2215
1631	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1632		2218
1633	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1634	}	2256	}
1635		2257
1636	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1637		2259
1638	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2261	instantiated unique items. May block.
1640		2262
1641	=cut	2263	=cut
1642		2264
1643	sub unique_maps() {	2265	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2266	[
1645	or return;	2267	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2268	utf8::decode $_;
1651	next if /\.pst$/;	2269	/\.map$/
1652	next unless /^$PATH_SEP/o;	2270	? normalise $_
1653		2271	: ()
1654	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2273	]
1656
1657	\@paths
1658	}	2274	}
1659		2275
1660	package cf;	2276	package cf;
1661		2277
1662	=back	2278	=back
…		…
1680	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1681	}	2297	}
1682		2298
1683	sub inv_recursive {	2299	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1685	}	2329	}
1686		2330
1687	package cf;	2331	package cf;
1688		2332
1689	=back	2333	=back
…		…
1708		2352
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2354
1711	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1713	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1716	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1717	}	2380	}
1718		2381
1719	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1720		2383
1721	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1769		2432
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2434
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1774		2437
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2439	}
1777		2440
1778	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1780		2445
1781	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1782		2447
1783	unless ($map) {	2448	unless ($map) {
1784	# restore original map position	2449	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1801		2466
1802	$map->load;	2467	$map->load;
1803	$map->load_diag;	2468	$map->load_neighbours;
1804		2469
1805	return unless $self->contr->active;	2470	return unless $self->contr->active;
1806	$self->activate_recursive;	2471	$self->activate_recursive;
		2472
		2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1808	}	2475	}
1809		2476
1810	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2478
1814	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1818	};	2483	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2484
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	2485	=cut
		2486
		2487	our $GOTOGEN;
1845		2488
1846	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2494
1849	$self->enter_link;	2495	$self->enter_link;
1850		2496
1851	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1852	my $map = eval {	2519	my $map = eval {
1853	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
		2524	$map = $check->($map) if $check && $map;
		2525	} else {
		2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
		2528
1855	$map	2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2535	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1860	})->prio (1);	2543	})->prio (1);
1861	}	2544	}
1862		2545
1863	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1864		2547
…		…
1903		2586
1904	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1905		2588
1906	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2591	my $meta = "$RANDOMDIR/$md5.meta";
1909		2592
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2595	undef $fh;
1913	aio_rename "$meta~", $meta;	2596	aio_rename "$meta~", $meta;
…		…
1922		2605
1923	return unless $self->type == cf::PLAYER;	2606	return unless $self->type == cf::PLAYER;
1924		2607
1925	if ($exit->slaying eq "/!") {	2608	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2610	# the problem is that $exit might not survive long enough
		2611	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2612	cf::sync_job { prepare_random_map $exit };
1928	}	2613	}
1929		2614
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
1933		2618
1934	$self->enter_link;	2619	$self->enter_link;
1935		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
1936	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
1937	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2629	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
1940		2631
1941	1;	2632	1;
1942	}) {	2633	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2634	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2635	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2636	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2637	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2638
1948	warn "ERROR in enter_exit: $@";	2639	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2640	$self->leave_link;
1950	}	2641	}
1951	})->prio (1);	2642	})->prio (1);
…		…
1964		2655
1965	sub cf::client::send_drawinfo {	2656	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2657	my ($self, $text, $flags) = @_;
1967		2658
1968	utf8::encode $text;	2659	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2661	}
1971		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
		2756	=item $client->ext_msg ($type, @msg)
		2757
		2758	Sends an ext event to the client.
		2759
		2760	=cut
		2761
		2762	sub cf::client::ext_msg($$@) {
		2763	my ($self, $type, @msg) = @_;
		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
		2768	push @msg, msgtype => "event_$type";
		2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
		2789	}
1972		2790
1973	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
1974		2792
1975	Queues a query to the client, calling the given callback with	2793	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>,	2794	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>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2796
1979	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2798	become reliable at some point in the future.
1981		2799
1982	=cut	2800	=cut
1983		2801
1984	sub cf::client::query {	2802	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2811	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2813
1996	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
1998	}	2818	}
1999		2819
2000	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2001	on_reply => sub {	2826	on_reply => sub {
2002	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2003		2828
2004	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2005	# get handled first	2830	# get handled first
…		…
2017	} else {	2842	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2844	}
2020	}	2845	}
2021	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2022	);	2873	);
2023		2874
2024	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2025		2876
2026	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2069		2920
2070	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2071		2922
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2073		2928
2074	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2075		2930
2076	=pod	2931	=pod
2077		2932
2078	The following fucntions and emthods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2079		2934
2080	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2081	cf::object::player player	2939	cf::object::player
2082	cf::player peaceful	2940	player
2083	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2084		2947
2085	=cut	2948	=cut
2086		2949
2087	for (	2950	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2089	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2092	) {	2957	) {
2093	no strict 'refs';	2958	no strict 'refs';
…		…
2164	=back	3029	=back
2165		3030
2166	=cut	3031	=cut
2167		3032
2168	#############################################################################	3033	#############################################################################
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	3034	# the server's init and main functions
2278		3035
2279	sub load_resources {	3036	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3044
		3045	warn "loading facedata from $path\n";
		3046
		3047	my $facedata;
		3048	0 < aio_load $path, $facedata
		3049	or die "$path: $!";
		3050
		3051	$facedata = Coro::Storable::thaw $facedata;
		3052
		3053	$facedata->{version} == 2
		3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
		3063	{
		3064	my $faces = $facedata->{faceinfo};
		3065
		3066	while (my ($face, $info) = each %$faces) {
		3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
		3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3072
		3073	cf::cede_to_tick;
		3074	}
		3075
		3076	while (my ($face, $info) = each %$faces) {
		3077	next unless $info->{smooth};
		3078	my $idx = cf::face::find $face
		3079	or next;
		3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
		3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3083	} else {
		3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3085	}
		3086
		3087	cf::cede_to_tick;
		3088	}
		3089	}
		3090
		3091	{
		3092	my $anims = $facedata->{animinfo};
		3093
		3094	while (my ($anim, $info) = each %$anims) {
		3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3096	cf::cede_to_tick;
		3097	}
		3098
		3099	cf::anim::invalidate_all; # d'oh
		3100	}
		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
		3151	1
		3152	}
		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3168	or die "unable to load regions file\n";
2282	}
2283		3169
2284	sub cfg_load {	3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
		3181	sub reload_archetypes {
		3182	load_resource_file "$DATADIR/archetypes"
		3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	}
		3190
		3191	sub reload_treasures {
		3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
		3194	}
		3195
		3196	sub reload_resources {
		3197	warn "reloading resource files...\n";
		3198
		3199	reload_regions;
		3200	reload_facedata;
		3201	#reload_archetypes;#d#
		3202	reload_archetypes;
		3203	reload_treasures;
		3204
		3205	warn "finished reloading resource files\n";
		3206	}
		3207
		3208	sub init {
		3209	reload_resources;
		3210	}
		3211
		3212	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3214	or return;
2287		3215
2288	local $/;	3216	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2290		3218
…		…
2300	};	3228	};
2301	warn $@ if $@;	3229	warn $@ if $@;
2302	}	3230	}
2303	}	3231	}
2304		3232
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3233	sub main {
2310	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2314	Event::one_event;	3239	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2316	};	3241	};
2317		3242
2318	cfg_load;	3243	reload_config;
2319	db_load;	3244	db_init;
2320	load_extensions;	3245	load_extensions;
2321		3246
2322	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2323	Event::loop;	3248	Event::loop;
2324	}	3249	}
…		…
2339	},	3264	},
2340	);	3265	);
2341	}	3266	}
2342	}	3267	}
2343		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2344	sub emergency_save() {	3307	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2346		3309
2347	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2348		3311
…		…
2352	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3321	$pl->save;
2358	}	3322	}
2359	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2360		3324
2361	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3327	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3328	$map->valid or next;
2365	$map->save;	3329	$map->save;
2366	}	3330	}
2367	warn "end emergency map save\n";	3331	warn "end emergency map save\n";
		3332
		3333	warn "begin emergency database checkpoint\n";
		3334	BDB::db_env_txn_checkpoint $DB_ENV;
		3335	warn "end emergency database checkpoint\n";
2368	};	3336	};
2369		3337
2370	warn "leave emergency perl save\n";	3338	warn "leave emergency perl save\n";
2371	}	3339	}
2372		3340
		3341	sub post_cleanup {
		3342	my ($make_core) = @_;
		3343
		3344	warn Carp::longmess "post_cleanup backtrace"
		3345	if $make_core;
		3346	}
		3347
2373	sub reload() {	3348	sub do_reload_perl() {
2374	# can/must only be called in main	3349	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3351	warn "can only reload from main coroutine";
2377	return;	3352	return;
2378	}	3353	}
2379		3354
2380	warn "reloading...";	3355	warn "reloading...";
2381		3356
2382	warn "cancelling server ticker";	3357	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3358
		3359	cf::sync_job {
		3360	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3361	cf::emergency_save;
		3362	cf::write_runtime; # external watchdog should not bark
2386		3363
2387	eval {	3364	warn "syncing database to disk";
		3365	BDB::db_env_txn_checkpoint $DB_ENV;
		3366
2388	# if anything goes wrong in here, we should simply crash as we already saved	3367	# 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		3368
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3369	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3370	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3371	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3372	}
2397		3373
2398	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2399	for (;;) {	3375	for (;;) {
		3376	BDB::flush;
2400	IO::AIO::flush;	3377	IO::AIO::flush;
2401	Coro::cede;	3378	Coro::cede_notself;
2402	last unless IO::AIO::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3380	warn "iterate...";
2404	}	3381	}
		3382
		3383	++$RELOAD;
2405		3384
2406	warn "cancelling all extension coros";	3385	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3386	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3387	%EXT_CORO = ();
2409		3388
2410	warn "removing commands";	3389	warn "removing commands";
2411	%COMMAND = ();	3390	%COMMAND = ();
2412		3391
2413	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2415		3395
2416	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2419		3399
…		…
2449	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3431
2452	warn "unloading cf.pm \"a bit\"";	3432	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2454		3435
2455	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3437	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2458		3439
…		…
2461	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2462	require cf;	3443	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3445
2465	warn "loading config and database again";	3446	warn "loading config and database again";
2466	cf::cfg_load;	3447	cf::reload_config;
2467	cf::db_load;
2468		3448
2469	warn "loading extensions";	3449	warn "loading extensions";
2470	cf::load_extensions;	3450	cf::load_extensions;
2471		3451
2472	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3453	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3454	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
		3456	warn "reattaching attachments to players";
		3457	reattach $_ for values %PLAYER;
2476		3458
2477	warn "loading reloadable resources";	3459	warn "leaving sync_job";
2478	load_resources;
2479		3460
2480	warn "restarting server ticker";	3461	1
2481		3462	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3463	warn $@;
2487	warn "error while reloading, exiting.";	3464	warn "error while reloading, exiting.";
2488	exit 1;	3465	exit 1;
2489	}	3466	};
2490		3467
2491	warn "reloaded";	3468	warn "reloaded";
2492	};	3469	};
2493		3470
2494	our $RELOAD_WATCHER; # used only during reload	3471	our $RELOAD_WATCHER; # used only during reload
2495		3472
		3473	sub reload_perl() {
		3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
		3476
		3477	$RELOAD_WATCHER ||= Event->timer (
		3478	reentrant => 0,
		3479	after => 0,
		3480	data => WF_AUTOCANCEL,
		3481	cb => sub {
		3482	do_reload_perl;
		3483	undef $RELOAD_WATCHER;
		3484	},
		3485	);
		3486	}
		3487
2496	register_command "reload" => sub {	3488	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2498		3490
2499	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
2501		3493	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3494	$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;	3495	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3496	};
2514	}	3497	}
2515	};	3498	};
2516		3499
2517	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2518		3501
2519	my $bug_warning = 0;	3502	my $bug_warning = 0;
		3503
		3504	our @WAIT_FOR_TICK;
		3505	our @WAIT_FOR_TICK_BEGIN;
		3506
		3507	sub wait_for_tick {
		3508	return unless $TICK_WATCHER->is_active;
		3509	return if $Coro::current == $Coro::main;
		3510
		3511	my $signal = new Coro::Signal;
		3512	push @WAIT_FOR_TICK, $signal;
		3513	$signal->wait;
		3514	}
		3515
		3516	sub wait_for_tick_begin {
		3517	return unless $TICK_WATCHER->is_active;
		3518	return if $Coro::current == $Coro::main;
		3519
		3520	my $signal = new Coro::Signal;
		3521	push @WAIT_FOR_TICK_BEGIN, $signal;
		3522	$signal->wait;
		3523	}
2520		3524
2521	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3526	reentrant => 0,
2523	parked => 1,	3527	parked => 1,
2524	prio => 0,	3528	prio => 0,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3534	unless ++$bug_warning > 10;
2531	return;	3535	return;
2532	}	3536	}
2533		3537
2534	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2535		3539
2536	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
		3541
2537	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2539		3544
2540	$WAIT_FOR_TICK->broadcast;	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3547	Coro::async_pool {
2543	Event::sweep;	3548	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;	3549	write_runtime
		3550	or warn "ERROR: unable to write runtime file: $!";
		3551	};
2545		3552	}
2546	# my $AFTER = Event::time;	3553
2547	# warn $AFTER - $NOW;#d#	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
		3560
		3561	$NOW = Event::time;
2548		3562
2549	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3565
2552	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
		3568
		3569	$LOAD = ($NOW - $tick_start) / $TICK;
		3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3571
		3572	_post_tick;
2554	},	3573	},
2555	);	3574	);
2556		3575
		3576	{
		3577	BDB::min_parallel 8;
		3578	BDB::max_poll_time $TICK * 0.1;
		3579	$BDB_POLL_WATCHER = Event->io (
		3580	reentrant => 0,
		3581	fd => BDB::poll_fileno,
		3582	poll => 'r',
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => \&BDB::poll_cb,
		3586	);
		3587
		3588	BDB::set_sync_prepare {
		3589	my $status;
		3590	my $current = $Coro::current;
		3591	(
		3592	sub {
		3593	$status = $!;
		3594	$current->ready; undef $current;
		3595	},
		3596	sub {
		3597	Coro::schedule while defined $current;
		3598	$! = $status;
		3599	},
		3600	)
		3601	};
		3602
		3603	unless ($DB_ENV) {
		3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3609
		3610	cf::sync_job {
		3611	eval {
		3612	BDB::db_env_open
		3613	$DB_ENV,
		3614	$BDBDIR,
		3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3617	0666;
		3618
		3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3620	};
		3621
		3622	cf::cleanup "db_env_open(db): $@" if $@;
		3623	};
		3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
		3656	}
		3657
		3658	{
		3659	IO::AIO::min_parallel 8;
		3660
		3661	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3662	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3664	reentrant => 0,
		3665	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3667	poll => 'r',
2564	prio => 6,	3668	prio => 0,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2567	);	3670	);
		3671	}
2568		3672
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3673	my $_log_backtrace;
2570	reentrant => 0,	3674
2571	data => WF_AUTOCANCEL,	3675	sub _log_backtrace {
2572	after => 1,	3676	my ($msg, @addr) = @_;
2573	interval => 10,	3677
2574	prio => 6, # keep it lowest so it acts like a watchdog	3678	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3679
2576	write_runtime	3680	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
		3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3710	}
2579	);	3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
2580		3715
2581	END { cf::emergency_save }	3716	END { cf::emergency_save }
2582		3717
2583	1	3718	1
2584		3719

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