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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.380 by root, Mon Oct 8 13:58:07 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
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;
		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;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
87		120
88	sub cf::map::normalise;	121	sub cf::map::normalise;
89		122
…		…
100	=item $cf::RUNTIME	133	=item $cf::RUNTIME
101		134
102	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
103	every server tick.	136	every server tick.
104		137
105	=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
106		141
107	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		146
110	=item $cf::NOW	147	=item $cf::NOW
111		148
112	The time of the last (current) server tick.	149	The time of the last (current) server tick.
113		150
114	=item $cf::TICK	151	=item $cf::TICK
115		152
116	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.
117		164
118	=item %cf::CFG	165	=item %cf::CFG
119		166
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	168	from wherever your confdir points to.
122		169
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		171
125	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
126	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
127	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.
128	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.
129		181
130	=back	182	=back
131		183
132	=cut	184	=cut
133		185
134	BEGIN {	186	BEGIN {
135	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	188	my $msg = join "", @_;
137	utf8::encode $msg;
138		189
139	$msg .= "\n"	190	$msg .= "\n"
140	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		194
142	LOG llevError, $msg;	195	LOG llevError, $msg;
143	};	196	};
144	}	197	}
145		198
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		206
153	# 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
154	# within the Safe compartment.	208	# within the Safe compartment.
155	for my $pkg (qw(	209	for my $pkg (qw(
156	cf::global cf::attachable	210	cf::global cf::attachable
…		…
164	}	218	}
165		219
166	$Event::DIED = sub {	220	$Event::DIED = sub {
167	warn "error in event callback: @_";	221	warn "error in event callback: @_";
168	};	222	};
		223
		224	#############################################################################
169		225
170	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
171		227
172	=over 4	228	=over 4
173		229
…		…
192	$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;
193	$d	249	$d
194	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
195	}	251	}
196		252
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
200		254
201	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
202		256
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
211		258
212	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
213		260
214	=cut	261	=cut
215		262
216	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
218	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	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
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($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#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
261	}	323	}
262		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
266	my $guard = Coro::guard {	334	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	336	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$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;
273	}	397	}
274		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	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)
288	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
289	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.
290		415
291	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
292	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
293	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
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
319	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
320	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
321		458
322	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
323	} else {	460	} else {
324	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
325		462
…		…
345	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
346		483
347	$coro	484	$coro
348	}	485	}
349		486
350	sub write_runtime {	487	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		488
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
354	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
355		493
356	my $value = $cf::RUNTIME + 90 + 10;	494	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		495
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	496	sub fork_call(&@) {
361	and return;	497	my ($cb, @args) = @_;
362		498
363	aio_fsync $fh	499	# we seemingly have to make a local copy of the whole thing,
364	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
365		502
366	close $fh	503	my @res = Coro::Util::fork_eval {
367	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
368		507
369	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
370	and return;	509	}
371		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
372	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	647	}
374		648
375	=back	649	=back
376		650
377	=cut	651	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
386		660
387	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	663	Crossfire TRT).
390		664
391	=over 4	665	=over 4
392		666
393	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
394		668
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
558		832
559	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		837
564	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	839	my $pkg = shift @arg;
566		840
567	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
597	}	871	}
598		872
599	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
600	} else {	874	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	876	}
603		877
604	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
605	}	879	}
606		880
…		…
608	if (ref $_[0]) {	882	if (ref $_[0]) {
609	_object_attach @_;	883	_object_attach @_;
610	} else {	884	} else {
611	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
612	}	886	}
		887	_recalc_want;
613	};	888	};
614		889
615	# all those should be optimised	890	# all those should be optimised
616	sub cf::attachable::detach {	891	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
621	reattach ($obj);	896	reattach ($obj);
622	} else {	897	} else {
623	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
624	}	899	}
		900	_recalc_want;
625	};	901	};
626		902
627	sub cf::attachable::attached {	903	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
629		905
…		…
644	";	920	";
645	die if $@;	921	die if $@;
646	}	922	}
647		923
648	our $override;	924	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		926
651	sub override {	927	sub override {
652	$override = 1;	928	$override = 1;
653	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
654	}	930	}
655		931
656	sub do_invoke {	932	sub do_invoke {
657	my $event = shift;	933	my $event = shift;
658	my $callbacks = shift;	934	my $callbacks = shift;
659		935
660	@invoke_results = ();	936	@INVOKE_RESULTS = ();
661		937
662	local $override;	938	local $override;
663		939
664	for (@$callbacks) {	940	for (@$callbacks) {
665	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
682		958
683	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
684		960
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		964
689	=back	965	=back
690		966
691	=cut	967	=cut
692		968
693	#############################################################################	969	#############################################################################
694	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
695		982
696	sub reattach {	983	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	985	my ($obj) = @_;
699		986
…		…
746	sub object_freezer_save {	1033	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
748		1035
749	sync_job {	1036	sync_job {
750	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
753		1041
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1045	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1046	close $fh;
759		1047
760	if (@$objs) {	1048	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1053	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1054	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
768	}	1056	}
769	} else {	1057	} else {
770	aio_unlink "$filename.pst";	1058	aio_unlink "$filename.pst";
…		…
776	}	1064	}
777	} else {	1065	} else {
778	aio_unlink $filename;	1066	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
780	}	1068	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1069	};
788	}	1070	}
789		1071
790	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
792		1074
…		…
797		1079
798	sub object_thawer_load {	1080	sub object_thawer_load {
799	my ($filename) = @_;	1081	my ($filename) = @_;
800		1082
801	my ($data, $av);	1083	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1084
806	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
807	or return;	1086	or return;
808		1087
809	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
811	or return;	1090	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };
813	}
814		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
817	return ($data, $av);	1101	($data, $av)
818	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
819		1109
820	#############################################################################	1110	#############################################################################
821	# command handling &c	1111	# command handling &c
822		1112
823	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1127	}
838		1128
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1130
841	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
842		1136
843	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
844	called.	1138	called.
845		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
846	=cut	1151	=cut
847		1152
848	sub register_extcmd {	1153	sub register_extcmd {
849	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
850		1155
851	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
852	}	1163	}
853		1164
854	cf::player->attach (	1165	cf::player->attach (
855	on_command => sub {	1166	on_command => sub {
856	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1176	cf::override;
866	},	1177	},
867	on_extcmd => sub {	1178	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
869		1180
870	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1182
872	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
878	} else {	1198	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1200	}
881		1201
882	cf::override;	1202	cf::override;
883	},	1203	},
884	);	1204	);
885		1205
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
921	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1211	next unless -r $path;
923	eval {	1212
924	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
925	1	1270	}
926	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
927	}	1276	};
928	}	1277	}
929		1278
930	#############################################################################	1279	#############################################################################
931		1280
		1281	=back
		1282
932	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
933		1284
934	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
935		1286
936	=cut	1287	=cut
…		…
941		1292
942	=head3 cf::player	1293	=head3 cf::player
943		1294
944	=over 4	1295	=over 4
945		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
946	=item cf::player::find $login	1311	=item cf::player::find $login
947		1312
948	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
949		1314
950	=cut	1315	=cut
951		1316
952	sub playerdir($) {	1317	sub playerdir($) {
953	cf::localdir	1318	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1320	}
959		1321
960	sub path($) {	1322	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1324
963	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
964	}	1326	}
965		1327
966	sub find_active($) {	1328	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1343	my $login = $_[0];
982		1344
983	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
984		1346
985	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
987	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
989	}	1363	}
990	}	1364	}
991	}	1365	}
992		1366
…		…
1002		1376
1003	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1005		1379
1006	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1007	Coro::cede;	1381	cf::cede_to_tick;
1008	}	1382	}
1009		1383
1010	sub new($) {	1384	sub new($) {
1011	my ($login) = @_;	1385	my ($login) = @_;
1012		1386
…		…
1018	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1019		1393
1020	$self	1394	$self
1021	}	1395	}
1022		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1023	=item $pl->quit_character	1407	=item $pl->quit_character
1024		1408
1025	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1027		1411
1028	=cut	1412	=cut
1029		1413
1030	sub quit_character {	1414	sub quit_character {
1031	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1032		1418
1033	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1421
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1046	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1047	}	1453	}
1048		1454
1049	=item cf::player::list_logins	1455	=item cf::player::list_logins
1050		1456
1051	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1053		1459
1054	=cut	1460	=cut
1055		1461
1056	sub list_logins {	1462	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1464	or return [];
1059		1465
1060	my @logins;	1466	my @logins;
1061		1467
1062	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1066		1477
1067	utf8::decode $login;	1478	utf8::decode $login;
1068	push @logins, $login;	1479	push @logins, $login;
1069	}	1480	}
1070		1481
…		…
1078		1489
1079	=cut	1490	=cut
1080		1491
1081	sub maps($) {	1492	sub maps($) {
1082	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1496
1084	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1085	or return;	1498	or return;
1086		1499
1087	my @paths;	1500	my @paths;
…		…
1089	for (@$files) {	1502	for (@$files) {
1090	utf8::decode $_;	1503	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1093		1506
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1507	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1508	}
1096		1509
1097	\@paths	1510	\@paths
1098	}	1511	}
1099		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1101		1565
1102	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1103		1567
1104	=cut	1568	=cut
1105		1569
1106	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1108		1572
1109	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1574	}
1113		1575
1114	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1115		1616
1116	=back	1617	=back
1117
1118		1618
1119	=head3 cf::map	1619	=head3 cf::map
1120		1620
1121	=over 4	1621	=over 4
1122		1622
…		…
1177	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1178		1678
1179	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1180	local $self->{path};	1680	local $self->{path};
1181	local $self->{load_path};	1681	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1682
1185	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1186	}	1684	}
1187		1685
1188	sub normalise {	1686	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1236	return $self;	1734	return $self;
1237	}	1735	}
1238	}	1736	}
1239		1737
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1739	()
1242	}	1740	}
1243		1741
1244	sub init {	1742	sub init {
1245	my ($self) = @_;	1743	my ($self) = @_;
…		…
1260		1758
1261	# the original (read-only) location	1759	# the original (read-only) location
1262	sub load_path {	1760	sub load_path {
1263	my ($self) = @_;	1761	my ($self) = @_;
1264		1762
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1266	}	1764	}
1267		1765
1268	# the temporary/swap location	1766	# the temporary/swap location
1269	sub save_path {	1767	sub save_path {
1270	my ($self) = @_;	1768	my ($self) = @_;
1271		1769
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1274	}	1772	}
1275		1773
1276	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1277	sub uniq_path {	1775	sub uniq_path {
1278	my ($self) = @_;	1776	my ($self) = @_;
1279		1777
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1282	}	1780	}
1283		1781
1284	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1285	# all maps in C++...	1783	# all maps in C++...
1286	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1288		1786
1289	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1291	}	1789	}
1292		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1293	sub unlink_save {	1799	sub unlink_save {
1294	my ($self) = @_;	1800	my ($self) = @_;
1295		1801
1296	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1805	}
1305		1806
1306	sub load_header_from($) {	1807	sub load_header_from($) {
1307	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1308		1809
1309	utf8::encode $path;	1810	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1315		1819
1316	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1317		1821
1318	1	1822	1
1319	}	1823	}
…		…
1358	$self->load_header_orig	1862	$self->load_header_orig
1359	or return;	1863	or return;
1360	$self->prepare_orig;	1864	$self->prepare_orig;
1361	}	1865	}
1362		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1363	1	1873	1
1364	}	1874	}
1365		1875
1366	sub find;	1876	sub find;
1367	sub find {	1877	sub find {
1368	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1369		1879
1370	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1371		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1373		1884
1374	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1376	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1377	or return;	1890	or return;
1378		1891
1379	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1380		1893
1381	$map->load_header	1894	$map->load_header
1382	or return;	1895	or return;
1383		1896
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1387	$map->reset;	1902	$map->reset;
1388	undef $guard;
1389	return find $path;	1903	return find $path;
1390	}	1904	}
1391		1905
1392	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1393	}	1907	}
…		…
1400	my ($self) = @_;	1914	my ($self) = @_;
1401		1915
1402	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1403		1917
1404	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1406		1922
		1923	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		1925
1409	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1410		1927
1411	$self->alloc;	1928	$self->alloc;
1412		1929
1413	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1414		1932
1415	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1416	or return;	1936	or return;
1417		1937
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	1939	if delete $self->{load_original};
1420		1940
1421	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	1942	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	1945	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1426	}	1949	}
1427	}	1950	}
1428		1951
1429	Coro::cede;	1952	$f->resolve_delayed_derefs;
1430		1953
		1954	cf::cede_to_tick;
1431	# now do the right thing for maps	1955	# now do the right thing for maps
1432	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1958	unless $self->difficulty;
1442	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1443	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1975	}
1445		1976
1446	$self->post_load;	1977	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1978	}
1450		1979
1451	sub customise_for {	1980	sub customise_for {
1452	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1453		1982
1454	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1984	if $self->per_player;
1456		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1457	$self	1989	$self
1458	}	1990	}
1459		1991
1460	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	1993	sub load_neighbours {
1462	my ($map) = @_;	1994	my ($map) = @_;
1463		1995
1464	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1465		1997
1466	for (0 .. 3) {	1998	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1468	or next;	2000	or next;
1469	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1470	or next;	2002	or next;
1471	$neigh->load;	2003	$neigh->load;
1472		2004
		2005	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2008	}
1476		2009
1477	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1479	or next;	2013	or next;
1480	$neigh->load;	2014	$neigh->load;
1481	}	2015	}
1482	}	2016	}
1483		2017
…		…
1488	}	2022	}
1489		2023
1490	sub do_load_sync {	2024	sub do_load_sync {
1491	my ($map) = @_;	2025	my ($map) = @_;
1492		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1493	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1494	}	2031	}
1495		2032
1496	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1498		2035
1499	sub find_async {	2036	sub find_async {
1500	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1501		2038
1502	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1503		2040
1504	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1506	}	2043	}
1507		2044
1508	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1509	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1510	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2052	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2053	$map->load if $v;
		2054	}
1515		2055
1516	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1517	}	2057	}
1518	}	2058	}
1519	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1520	};	2060	};
1521	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2064	}
1525		2065
1526	sub save {	2066	sub save {
1527	my ($self) = @_;	2067	my ($self) = @_;
1528		2068
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2070
1531	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1532		2072
1533	return unless $self->dirty;	2073	return unless $self->dirty;
1534		2074
…		…
1540	return if $self->{deny_save};	2080	return if $self->{deny_save};
1541		2081
1542	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1543		2083
1544	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1546	};	2087	};
1547		2088
1548	if ($uniq) {	2089	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1557	my ($self) = @_;	2098	my ($self) = @_;
1558		2099
1559	# save first because save cedes	2100	# save first because save cedes
1560	$self->save;	2101	$self->save;
1561		2102
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2104
1564	return if $self->players;	2105	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};	2107	return if $self->{deny_save};
1567		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2113	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2114	}
1571		2115
1572	sub reset_at {	2116	sub reset_at {
1573	my ($self) = @_;	2117	my ($self) = @_;
1574		2118
1575	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1578		2121
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2124
…		…
1592	my ($self) = @_;	2135	my ($self) = @_;
1593		2136
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2138
1596	return if $self->players;	2139	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2140
1599	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	# need to save uniques path
		2146	unless ($self->{deny_save}) {
		2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2148
		2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2150	if $uniq;
		2151	}
1600		2152
1601	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1602		2154
1603	$self->in_memory (cf::MAP_SWAPPED);	2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2157	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2158
1608	$self->unlink_save;	2159	$self->unlink_save;
1609	$self->destroy;	2160	$self->destroy;
1610	}	2161	}
1611		2162
1612	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1613		2164
1614	sub nuke {	2165	sub nuke {
1615	my ($self) = @_;	2166	my ($self) = @_;
1616		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1617	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1618		2172
1619	$self->unlink_save;	2173	$self->unlink_save;
1620		2174
1621	bless $self, "cf::map";	2175	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2180
1627	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1628		2183
1629	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1630	}	2221	}
1631		2222
1632	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1633		2224
1634	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2226	instantiated unique items. May block.
1636		2227
1637	=cut	2228	=cut
1638		2229
1639	sub unique_maps() {	2230	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1641	or return;	2232	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2233	utf8::decode $_;
1647	next if /\.pst$/;	2234	/\.map$/
1648	next unless /^$PATH_SEP/o;	2235	? normalise $_
1649		2236	: ()
1650	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2238	]
1652
1653	\@paths
1654	}	2239	}
1655		2240
1656	package cf;	2241	package cf;
1657		2242
1658	=back	2243	=back
…		…
1676	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1677	}	2262	}
1678		2263
1679	sub inv_recursive {	2264	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1681	}	2294	}
1682		2295
1683	package cf;	2296	package cf;
1684		2297
1685	=back	2298	=back
…		…
1704		2317
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2319
1707	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1709	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1712	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1713	}	2345	}
1714		2346
1715	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1716		2348
1717	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1765		2397
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2399
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1770		2402
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2404	}
1773		2405
1774	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1776		2410
1777	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1778		2412
1779	unless ($map) {	2413	unless ($map) {
1780	# restore original map position	2414	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1797		2431
1798	$map->load;	2432	$map->load;
1799	$map->load_diag;	2433	$map->load_neighbours;
1800		2434
1801	return unless $self->contr->active;	2435	return unless $self->contr->active;
1802	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1804	}	2440	}
1805		2441
1806	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2443
1810	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1814	};	2448	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2449
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1841		2453
1842	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2459
1845	$self->enter_link;	2460	$self->enter_link;
1846		2461
1847	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1848	my $map = eval {	2484	my $map = eval {
1849	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1851	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2500	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1856	})->prio (1);	2508	})->prio (1);
1857	}	2509	}
1858		2510
1859	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1860		2512
…		…
1899		2551
1900	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1901		2553
1902	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2556	my $meta = "$RANDOMDIR/$md5.meta";
1905		2557
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2560	undef $fh;
1909	aio_rename "$meta~", $meta;	2561	aio_rename "$meta~", $meta;
…		…
1918		2570
1919	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1920		2572
1921	if ($exit->slaying eq "/!") {	2573	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	2577	cf::sync_job { prepare_random_map $exit };
1924	}	2578	}
1925		2579
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
1929		2583
1930	$self->enter_link;	2584	$self->enter_link;
1931		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1932	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1933	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2594	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
1936		2596
1937	1;	2597	1;
1938	}) {	2598	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2603
1944	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2605	$self->leave_link;
1946	}	2606	}
1947	})->prio (1);	2607	})->prio (1);
…		…
1960		2620
1961	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1963		2623
1964	utf8::encode $text;	2624	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2626	}
1967		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
1968		2755
1969	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
1970		2757
1971	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2761
1975	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2763	become reliable at some point in the future.
1977		2764
1978	=cut	2765	=cut
1979		2766
1980	sub cf::client::query {	2767	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2776	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2778
1992	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
1994	}	2783	}
1995		2784
1996	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
1997	on_reply => sub {	2791	on_reply => sub {
1998	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
1999		2793
2000	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2001	# get handled first	2795	# get handled first
2002	my $queue = delete $ns->{query_queue}	2796	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2797	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2798
2005	(shift @$queue)->[1]->($msg);	2799	(shift @$queue)->[1]->($msg);
		2800	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2801
2007	push @{ $ns->{query_queue} }, @$queue;	2802	push @{ $ns->{query_queue} }, @$queue;
2008		2803
2009	if (@{ $ns->{query_queue} } == @$queue) {	2804	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2805	if (@$queue) {
…		…
2012	} else {	2807	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2809	}
2015	}	2810	}
2016	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2017	);	2838	);
2018		2839
2019	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2020		2841
2021	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2064		2885
2065	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2066		2887
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2068		2893
2069	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2070		2895
2071	=pod	2896	=pod
2072		2897
2073	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2074		2899
2075	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2076	cf::object::player player	2904	cf::object::player
2077	cf::player peaceful	2905	player
2078	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2079		2912
2080	=cut	2913	=cut
2081		2914
2082	for (	2915	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2084	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2087	) {	2922	) {
2088	no strict 'refs';	2923	no strict 'refs';
…		…
2159	=back	2994	=back
2160		2995
2161	=cut	2996	=cut
2162		2997
2163	#############################################################################	2998	#############################################################################
		2999	# the server's init and main functions
2164		3000
2165	=head2 EXTENSION DATABASE SUPPORT	3001	sub load_facedata($) {
		3002	my ($path) = @_;
2166		3003
2167	Crossfire maintains a very simple database for extension use. It can	3004	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3005	# for this (global event?)
2169	excludes objects.	3006	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3007
2171	The parameter C<$family> should best start with the name of the extension	3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3009
2174	=over 4	3010	warn "loading facedata from $path\n";
2175		3011
2176	=item $hashref = cf::db_get $family	3012	my $facedata;
		3013	0 < aio_load $path, $facedata
		3014	or die "$path: $!";
2177		3015
2178	Return a hashref for use by the extension C<$family>, which can be	3016	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3017
2182	=item $value = cf::db_get $family => $key	3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3020
2184	Returns a single value from the database	3021	# patch in the exptable
2185		3022	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3023	type => FT_RSRC,
2187		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3025	};
		3026	cf::cede_to_tick;
2214		3027
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3028	{
		3029	my $faces = $facedata->{faceinfo};
2226		3030
2227	my $dirty;	3031	while (my ($face, $info) = each %$faces) {
		3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
		3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2228		3037
2229	sub db_sync() {	3038	cf::cede_to_tick;
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3039	}
2268	);
2269	}
2270		3040
2271	#############################################################################	3041	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3042	next unless $info->{smooth};
		3043	my $idx = cf::face::find $face
		3044	or next;
		3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3048	} else {
		3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3050	}
2273		3051
2274	sub cfg_load {	3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
		3116	1
		3117	}
		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
		3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
		3161	sub reload_resources {
		3162	warn "reloading resource files...\n";
		3163
		3164	reload_regions;
		3165	reload_facedata;
		3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
		3171	}
		3172
		3173	sub init {
		3174	reload_resources;
		3175	}
		3176
		3177	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3179	or return;
2277		3180
2278	local $/;	3181	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2280		3183
…		…
2295	sub main {	3198	sub main {
2296	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2300	Event::one_event;	3204	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2302	};	3206	};
2303		3207
2304	cfg_load;	3208	reload_config;
2305	db_load;	3209	db_init;
2306	load_extensions;	3210	load_extensions;
2307		3211
2308	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2309	Event::loop;	3213	Event::loop;
2310	}	3214	}
…		…
2325	},	3229	},
2326	);	3230	);
2327	}	3231	}
2328	}	3232	}
2329		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2330	sub emergency_save() {	3272	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2332		3274
2333	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2334		3276
…		…
2349	my $map = $cf::MAP{$path} or next;	3291	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3292	$map->valid or next;
2351	$map->save;	3293	$map->save;
2352	}	3294	}
2353	warn "end emergency map save\n";	3295	warn "end emergency map save\n";
		3296
		3297	warn "begin emergency database checkpoint\n";
		3298	BDB::db_env_txn_checkpoint $DB_ENV;
		3299	warn "end emergency database checkpoint\n";
2354	};	3300	};
2355		3301
2356	warn "leave emergency perl save\n";	3302	warn "leave emergency perl save\n";
2357	}	3303	}
2358		3304
		3305	sub post_cleanup {
		3306	my ($make_core) = @_;
		3307
		3308	warn Carp::longmess "post_cleanup backtrace"
		3309	if $make_core;
		3310	}
		3311
2359	sub reload() {	3312	sub do_reload_perl() {
2360	# can/must only be called in main	3313	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3314	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3315	warn "can only reload from main coroutine";
2363	return;	3316	return;
2364	}	3317	}
2365		3318
2366	warn "reloading...";	3319	warn "reloading...";
2367		3320
2368	warn "cancelling server ticker";	3321	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3322
		3323	cf::sync_job {
		3324	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3325	cf::emergency_save;
		3326	cf::write_runtime; # external watchdog should not bark
2372		3327
2373	eval {	3328	warn "syncing database to disk";
		3329	BDB::db_env_txn_checkpoint $DB_ENV;
		3330
2374	# if anything goes wrong in here, we should simply crash as we already saved	3331	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		3332
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3333	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3334	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3335	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3336	}
2383		3337
2384	warn "flushing outstanding aio requests";	3338	warn "flushing outstanding aio requests";
2385	for (;;) {	3339	for (;;) {
		3340	BDB::flush;
2386	IO::AIO::flush;	3341	IO::AIO::flush;
2387	Coro::cede;	3342	Coro::cede;
2388	last unless IO::AIO::nreqs;	3343	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3344	warn "iterate...";
2390	}	3345	}
		3346
		3347	++$RELOAD;
2391		3348
2392	warn "cancelling all extension coros";	3349	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3350	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3351	%EXT_CORO = ();
2395		3352
2396	warn "removing commands";	3353	warn "removing commands";
2397	%COMMAND = ();	3354	%COMMAND = ();
2398		3355
2399	warn "removing ext commands";	3356	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3357	%EXTCMD = ();
		3358	%EXTICMD = ();
2401		3359
2402	warn "unloading/nuking all extensions";	3360	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3361	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3362	warn "... unloading $pkg";
2405		3363
…		…
2435	Symbol::delete_package "safe::$_"	3393	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3394	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3395
2438	warn "unloading cf.pm \"a bit\"";	3396	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3397	delete $INC{"cf.pm"};
		3398	delete $INC{"cf/pod.pm"};
2440		3399
2441	# don't, removes xs symbols, too,	3400	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3401	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3402	#Symbol::delete_package __PACKAGE__;
2444		3403
…		…
2447	warn "reloading cf.pm";	3406	warn "reloading cf.pm";
2448	require cf;	3407	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3408	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3409
2451	warn "loading config and database again";	3410	warn "loading config and database again";
2452	cf::cfg_load;	3411	cf::reload_config;
2453	cf::db_load;
2454		3412
2455	warn "loading extensions";	3413	warn "loading extensions";
2456	cf::load_extensions;	3414	cf::load_extensions;
2457		3415
2458	warn "reattaching attachments to objects/players";	3416	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3417	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3418	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3419	reattach $_ for values %MAP;
		3420	warn "reattaching attachments to players";
		3421	reattach $_ for values %PLAYER;
2462		3422
2463	warn "restarting server ticker";	3423	warn "leaving sync_job";
2464		3424
2465	$TICK_WATCHER->start;	3425	1
2466	};	3426	} or do {
2467
2468	if ($@) {
2469	warn $@;	3427	warn $@;
2470	warn "error while reloading, exiting.";	3428	warn "error while reloading, exiting.";
2471	exit 1;	3429	exit 1;
2472	}	3430	};
2473		3431
2474	warn "reloaded";	3432	warn "reloaded";
2475	};	3433	};
2476		3434
2477	our $RELOAD_WATCHER; # used only during reload	3435	our $RELOAD_WATCHER; # used only during reload
2478		3436
		3437	sub reload_perl() {
		3438	# doing reload synchronously and two reloads happen back-to-back,
		3439	# coro crashes during coro_state_free->destroy here.
		3440
		3441	$RELOAD_WATCHER ||= Event->timer (
		3442	reentrant => 0,
		3443	after => 0,
		3444	data => WF_AUTOCANCEL,
		3445	cb => sub {
		3446	do_reload_perl;
		3447	undef $RELOAD_WATCHER;
		3448	},
		3449	);
		3450	}
		3451
2479	register_command "reload" => sub {	3452	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3453	my ($who, $arg) = @_;
2481		3454
2482	if ($who->flag (FLAG_WIZ)) {	3455	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3456	$who->message ("reloading server.");
2484		3457	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3458	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3459	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3460	};
2497	}	3461	}
2498	};	3462	};
2499		3463
2500	unshift @INC, $LIBDIR;	3464	unshift @INC, $LIBDIR;
2501		3465
2502	my $bug_warning = 0;	3466	my $bug_warning = 0;
		3467
		3468	our @WAIT_FOR_TICK;
		3469	our @WAIT_FOR_TICK_BEGIN;
		3470
		3471	sub wait_for_tick {
		3472	return unless $TICK_WATCHER->is_active;
		3473	return if $Coro::current == $Coro::main;
		3474
		3475	my $signal = new Coro::Signal;
		3476	push @WAIT_FOR_TICK, $signal;
		3477	$signal->wait;
		3478	}
		3479
		3480	sub wait_for_tick_begin {
		3481	return unless $TICK_WATCHER->is_active;
		3482	return if $Coro::current == $Coro::main;
		3483
		3484	my $signal = new Coro::Signal;
		3485	push @WAIT_FOR_TICK_BEGIN, $signal;
		3486	$signal->wait;
		3487	}
2503		3488
2504	$TICK_WATCHER = Event->timer (	3489	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3490	reentrant => 0,
2506	parked => 1,	3491	parked => 1,
2507	prio => 0,	3492	prio => 0,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3497	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3498	unless ++$bug_warning > 10;
2514	return;	3499	return;
2515	}	3500	}
2516		3501
2517	$NOW = Event::time;	3502	$NOW = $tick_start = Event::time;
2518		3503
2519	cf::server_tick; # one server iteration	3504	cf::server_tick; # one server iteration
		3505
2520	$RUNTIME += $TICK;	3506	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3507	$NEXT_TICK += $TICK;
2522		3508
2523	$WAIT_FOR_TICK->broadcast;	3509	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3510	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3511	Coro::async_pool {
2526	Event::sweep;	3512	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;	3513	write_runtime
		3514	or warn "ERROR: unable to write runtime file: $!";
		3515	};
2528		3516	}
2529	# my $AFTER = Event::time;	3517
2530	# warn $AFTER - $NOW;#d#	3518	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3519	$sig->send;
		3520	}
		3521	while (my $sig = shift @WAIT_FOR_TICK) {
		3522	$sig->send;
		3523	}
		3524
		3525	$NOW = Event::time;
2531		3526
2532	# if we are delayed by four ticks or more, skip them all	3527	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3528	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3529
2535	$TICK_WATCHER->at ($NEXT_TICK);	3530	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3531	$TICK_WATCHER->start;
		3532
		3533	$LOAD = ($NOW - $tick_start) / $TICK;
		3534	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3535
		3536	_post_tick;
2537	},	3537	},
2538	);	3538	);
2539		3539
		3540	{
		3541	BDB::min_parallel 8;
		3542	BDB::max_poll_time $TICK * 0.1;
		3543	$BDB_POLL_WATCHER = Event->io (
		3544	reentrant => 0,
		3545	fd => BDB::poll_fileno,
		3546	poll => 'r',
		3547	prio => 0,
		3548	data => WF_AUTOCANCEL,
		3549	cb => \&BDB::poll_cb,
		3550	);
		3551
		3552	BDB::set_sync_prepare {
		3553	my $status;
		3554	my $current = $Coro::current;
		3555	(
		3556	sub {
		3557	$status = $!;
		3558	$current->ready; undef $current;
		3559	},
		3560	sub {
		3561	Coro::schedule while defined $current;
		3562	$! = $status;
		3563	},
		3564	)
		3565	};
		3566
		3567	unless ($DB_ENV) {
		3568	$DB_ENV = BDB::db_env_create;
		3569	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3570	| BDB::LOG_AUTOREMOVE, 1);
		3571	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3572	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3573
		3574	cf::sync_job {
		3575	eval {
		3576	BDB::db_env_open
		3577	$DB_ENV,
		3578	$BDBDIR,
		3579	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3580	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3581	0666;
		3582
		3583	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3584	};
		3585
		3586	cf::cleanup "db_env_open(db): $@" if $@;
		3587	};
		3588	}
		3589
		3590	$BDB_DEADLOCK_WATCHER = Event->timer (
		3591	after => 3,
		3592	interval => 1,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3598	},
		3599	);
		3600	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3601	after => 11,
		3602	interval => 60,
		3603	hard => 1,
		3604	prio => 0,
		3605	data => WF_AUTOCANCEL,
		3606	cb => sub {
		3607	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3608	},
		3609	);
		3610	$BDB_TRICKLE_WATCHER = Event->timer (
		3611	after => 5,
		3612	interval => 10,
		3613	hard => 1,
		3614	prio => 0,
		3615	data => WF_AUTOCANCEL,
		3616	cb => sub {
		3617	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3618	},
		3619	);
		3620	}
		3621
		3622	{
		3623	IO::AIO::min_parallel 8;
		3624
		3625	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3626	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3627	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3628	reentrant => 0,
		3629	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3630	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3631	poll => 'r',
2547	prio => 6,	3632	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3633	cb => \&IO::AIO::poll_cb,
2550	);	3634	);
		3635	}
2551		3636
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3637	my $_log_backtrace;
2553	reentrant => 0,	3638
2554	data => WF_AUTOCANCEL,	3639	sub _log_backtrace {
2555	after => 1,	3640	my ($msg, @addr) = @_;
2556	interval => 10,	3641
2557	prio => 6, # keep it lowest so it acts like a watchdog	3642	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3643
2559	write_runtime	3644	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3645	if ($_log_backtrace < 2) {
		3646	++$_log_backtrace;
		3647	async {
		3648	$Coro::current->{desc} = "abt $msg";
		3649
		3650	my @bt = fork_call {
		3651	@addr = map { sprintf "%x", $_ } @addr;
		3652	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3653	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3654	or die "addr2line: $!";
		3655
		3656	my @funcs;
		3657	my @res = <$fh>;
		3658	chomp for @res;
		3659	while (@res) {
		3660	my ($func, $line) = splice @res, 0, 2, ();
		3661	push @funcs, "[$func] $line";
		3662	}
		3663
		3664	@funcs
		3665	};
		3666
		3667	LOG llevInfo, "[ABT] $msg\n";
		3668	LOG llevInfo, "[ABT] $_\n" for @bt;
		3669	--$_log_backtrace;
		3670	};
		3671	} else {
		3672	LOG llevInfo, "[ABT] $msg\n";
		3673	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3674	}
2562	);	3675	}
		3676
		3677	# load additional modules
		3678	use cf::pod;
2563		3679
2564	END { cf::emergency_save }	3680	END { cf::emergency_save }
2565		3681
2566	1	3682	1
2567		3683

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