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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	136	every server tick.
114		137
115	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		206
163	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
271	}	323	}
272		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
276	my $guard = Coro::guard {	334	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	336	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
282	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
283	}	397	}
284		398
285	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
286		400
287	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		406
293	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
294		408
295	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
296		410
297	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
300		415
301	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
304	fast or be very important.	419	fast or be very important.
…		…
307		422
308	sub sync_job(&) {	423	sub sync_job(&) {
309	my ($job) = @_;	424	my ($job) = @_;
310		425
311	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
312	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
314		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
315	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	435	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
318		437
319	my $busy = 1;	438	my $busy = 1;
320	my @res;	439	my @res;
321		440
322	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	443	@res = eval { $job->() };
324	warn $@ if $@;	444	warn $@ if $@;
325	undef $busy;	445	undef $busy;
326	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
327		447
328	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
329	Coro::cede or Event::one_event;	452	Event::one_event;
330	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
331		462
332	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
333	} else {	464	} else {
334	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
335		466
…		…
355	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
356		487
357	$coro	488	$coro
358	}	489	}
359		490
360	sub write_runtime {	491	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		492
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
364	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
365		497
366	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		499
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
371	and return;	501	my ($cb, @args) = @_;
372		502
373	# always fsync - this file is important	503	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	504	# otherwise perl prematurely frees the stuff :/
375	and return;	505	# TODO: investigate and fix (likely this will be rather laborious)
376		506
377	close $fh	507	my @res = Coro::Util::fork_eval {
378	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
379		511
380	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
381	and return;	513	}
382		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
383	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	651	}
385		652
386	=back	653	=back
387		654
388	=cut	655	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
397		664
398	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	667	Crossfire TRT).
401		668
402	=over 4	669	=over 4
403		670
404	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
405		672
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
569		836
570	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		841
575	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	843	my $pkg = shift @arg;
577		844
578	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
608	}	875	}
609		876
610	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
611	} else {	878	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	880	}
614		881
615	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
616	}	883	}
617		884
…		…
619	if (ref $_[0]) {	886	if (ref $_[0]) {
620	_object_attach @_;	887	_object_attach @_;
621	} else {	888	} else {
622	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
623	}	890	}
		891	_recalc_want;
624	};	892	};
625		893
626	# all those should be optimised	894	# all those should be optimised
627	sub cf::attachable::detach {	895	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
632	reattach ($obj);	900	reattach ($obj);
633	} else {	901	} else {
634	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
635	}	903	}
		904	_recalc_want;
636	};	905	};
637		906
638	sub cf::attachable::attached {	907	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
640		909
…		…
655	";	924	";
656	die if $@;	925	die if $@;
657	}	926	}
658		927
659	our $override;	928	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		930
662	sub override {	931	sub override {
663	$override = 1;	932	$override = 1;
664	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
665	}	934	}
666		935
667	sub do_invoke {	936	sub do_invoke {
668	my $event = shift;	937	my $event = shift;
669	my $callbacks = shift;	938	my $callbacks = shift;
670		939
671	@invoke_results = ();	940	@INVOKE_RESULTS = ();
672		941
673	local $override;	942	local $override;
674		943
675	for (@$callbacks) {	944	for (@$callbacks) {
676	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
693		962
694	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
695		964
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		968
700	=back	969	=back
701		970
702	=cut	971	=cut
703		972
704	#############################################################################	973	#############################################################################
705	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
706		1017
707	sub reattach {	1018	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1020	my ($obj) = @_;
710		1021
…		…
757	sub object_freezer_save {	1068	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
759		1070
760	sync_job {	1071	sync_job {
761	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
764		1076
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1081	close $fh;
770		1082
771	if (@$objs) {	1083	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1089	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
779	}	1091	}
…		…
787	}	1099	}
788	} else {	1100	} else {
789	aio_unlink $filename;	1101	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
791	}	1103	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1104	};
799	}	1105	}
800		1106
801	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
803		1109
…		…
808		1114
809	sub object_thawer_load {	1115	sub object_thawer_load {
810	my ($filename) = @_;	1116	my ($filename) = @_;
811		1117
812	my ($data, $av);	1118	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1119
817	(aio_load $filename, $data) >= 0	1120	(aio_load $filename, $data) >= 0
818	or return;	1121	or return;
819		1122
820	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
822	or return;	1125	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };
824	}
825		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
828	return ($data, $av);	1136	($data, $av)
829	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
830		1144
831	#############################################################################	1145	#############################################################################
832	# command handling &c	1146	# command handling &c
833		1147
834	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1162	}
849		1163
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1165
852	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
853		1171
854	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
855	called.	1173	called.
856		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
857	=cut	1186	=cut
858		1187
859	sub register_extcmd {	1188	sub register_extcmd {
860	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
861		1190
862	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
863	}	1198	}
864		1199
865	cf::player->attach (	1200	cf::player->attach (
866	on_command => sub {	1201	on_command => sub {
867	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1211	cf::override;
877	},	1212	},
878	on_extcmd => sub {	1213	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
880		1215
881	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1217
883	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
889	} else {	1233	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1235	}
892		1236
893	cf::override;	1237	cf::override;
894	},	1238	},
895	);	1239	);
896		1240
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
932	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1246	next unless -r $path;
934	eval {	1247
935	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
936	1	1305	}
937	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
938	}	1311	};
939	}	1312	}
940		1313
941	#############################################################################	1314	#############################################################################
942		1315
		1316	=back
		1317
943	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
944		1319
945	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
946		1321
947	=cut	1322	=cut
…		…
952		1327
953	=head3 cf::player	1328	=head3 cf::player
954		1329
955	=over 4	1330	=over 4
956		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
957	=item cf::player::find $login	1346	=item cf::player::find $login
958		1347
959	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
960		1349
961	=cut	1350	=cut
962		1351
963	sub playerdir($) {	1352	sub playerdir($) {
964	cf::localdir	1353	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1355	}
970		1356
971	sub path($) {	1357	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1359
974	(playerdir $login) . "/$login.pl"	1360	(playerdir $login) . "/playerdata"
975	}	1361	}
976		1362
977	sub find_active($) {	1363	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1364	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1365	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1378	my $login = $_[0];
993		1379
994	my $guard = cf::lock_acquire "user_find:$login";	1380	my $guard = cf::lock_acquire "user_find:$login";
995		1381
996	$cf::PLAYER{$_[0]} || do {	1382	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1383	# rename old playerfiles to new ones
		1384	#TODO: remove when no longer required
		1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1388	aio_unlink +(playerdir $login) . "/$login.pl";
		1389
		1390	my $f = new_from_file cf::object::thawer path $login
998	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
1000	}	1398	}
1001	}	1399	}
1002	}	1400	}
1003		1401
…		…
1013		1411
1014	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1016		1414
1017	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1018	Coro::cede;	1416	cf::cede_to_tick;
1019	}	1417	}
1020		1418
1021	sub new($) {	1419	sub new($) {
1022	my ($login) = @_;	1420	my ($login) = @_;
1023		1421
…		…
1029	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1030		1428
1031	$self	1429	$self
1032	}	1430	}
1033		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
		1440	}
		1441
1034	=item $pl->quit_character	1442	=item $pl->quit_character
1035		1443
1036	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1445	be destroyed. May block for a long time.
1038		1446
1039	=cut	1447	=cut
1040		1448
1041	sub quit_character {	1449	sub quit_character {
1042	my ($pl) = @_;	1450	my ($pl) = @_;
		1451
		1452	my $name = $pl->ob->name;
1043		1453
1044	$pl->{deny_save} = 1;	1454	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1455	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1456
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1462	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1463	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1464	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1465	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1466	$pl->destroy;
		1467
		1468	my $prefix = qr<^~\Q$name\E/>;
		1469
		1470	# nuke player maps
		1471	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1472
1057	IO::AIO::aio_rmtree $temp;	1473	IO::AIO::aio_rmtree $temp;
		1474	}
		1475
		1476	=item $pl->kick
		1477
		1478	Kicks a player out of the game. This destroys the connection.
		1479
		1480	=cut
		1481
		1482	sub kick {
		1483	my ($pl, $kicker) = @_;
		1484
		1485	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1486	$pl->killer ("kicked");
		1487	$pl->ns->destroy;
1058	}	1488	}
1059		1489
1060	=item cf::player::list_logins	1490	=item cf::player::list_logins
1061		1491
1062	Returns am arrayref of all valid playernames in the system, can take a	1492	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1064		1494
1065	=cut	1495	=cut
1066		1496
1067	sub list_logins {	1497	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1499	or return [];
1070		1500
1071	my @logins;	1501	my @logins;
1072		1502
1073	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1077		1512
1078	utf8::decode $login;	1513	utf8::decode $login;
1079	push @logins, $login;	1514	push @logins, $login;
1080	}	1515	}
1081		1516
…		…
1108	}	1543	}
1109		1544
1110	\@paths	1545	\@paths
1111	}	1546	}
1112		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1114		1600
1115	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1116		1602
1117	=cut	1603	=cut
1118		1604
1119	sub ext_reply($$$%) {	1605	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1121		1607
1122	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1609	}
1126		1610
1127	package cf;	1611	=item $player->ext_msg ($type, @msg)
		1612
		1613	Sends an ext event to the client.
		1614
		1615	=cut
		1616
		1617	sub ext_msg($$@) {
		1618	my ($self, $type, @msg) = @_;
		1619
		1620	$self->ns->ext_msg ($type, @msg);
		1621	}
		1622
		1623	=head3 cf::region
		1624
		1625	=over 4
		1626
		1627	=cut
		1628
		1629	package cf::region;
		1630
		1631	=item cf::region::find_by_path $path
		1632
		1633	Tries to decuce the likely region for a map knowing only its path.
		1634
		1635	=cut
		1636
		1637	sub find_by_path($) {
		1638	my ($path) = @_;
		1639
		1640	my ($match, $specificity);
		1641
		1642	for my $region (list) {
		1643	if ($region->{match} && $path =~ $region->{match}) {
		1644	($match, $specificity) = ($region, $region->specificity)
		1645	if $region->specificity > $specificity;
		1646	}
		1647	}
		1648
		1649	$match
		1650	}
1128		1651
1129	=back	1652	=back
1130
1131		1653
1132	=head3 cf::map	1654	=head3 cf::map
1133		1655
1134	=over 4	1656	=over 4
1135		1657
…		…
1190	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1191		1713
1192	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1193	local $self->{path};	1715	local $self->{path};
1194	local $self->{load_path};	1716	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1717
1198	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1199	}	1719	}
1200		1720
1201	sub normalise {	1721	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1249	return $self;	1769	return $self;
1250	}	1770	}
1251	}	1771	}
1252		1772
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1774	()
1255	}	1775	}
1256		1776
1257	sub init {	1777	sub init {
1258	my ($self) = @_;	1778	my ($self) = @_;
…		…
1273		1793
1274	# the original (read-only) location	1794	# the original (read-only) location
1275	sub load_path {	1795	sub load_path {
1276	my ($self) = @_;	1796	my ($self) = @_;
1277		1797
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1798	"$MAPDIR/$self->{path}.map"
1279	}	1799	}
1280		1800
1281	# the temporary/swap location	1801	# the temporary/swap location
1282	sub save_path {	1802	sub save_path {
1283	my ($self) = @_;	1803	my ($self) = @_;
1284		1804
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1806	"$TMPDIR/$path.map"
1287	}	1807	}
1288		1808
1289	# the unique path, undef == no special unique path	1809	# the unique path, undef == no special unique path
1290	sub uniq_path {	1810	sub uniq_path {
1291	my ($self) = @_;	1811	my ($self) = @_;
1292		1812
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1814	"$UNIQUEDIR/$path"
1295	}	1815	}
1296		1816
1297	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1298	# all maps in C++...	1818	# all maps in C++...
1299	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1301		1821
1302	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1304	}	1824	}
1305		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1306	sub unlink_save {	1834	sub unlink_save {
1307	my ($self) = @_;	1835	my ($self) = @_;
1308		1836
1309	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1839	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1840	}
1318		1841
1319	sub load_header_from($) {	1842	sub load_header_from($) {
1320	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1321		1844
1322	utf8::encode $path;	1845	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1328		1854
1329	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1330		1856
1331	1	1857	1
1332	}	1858	}
…		…
1371	$self->load_header_orig	1897	$self->load_header_orig
1372	or return;	1898	or return;
1373	$self->prepare_orig;	1899	$self->prepare_orig;
1374	}	1900	}
1375		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
		1905	$self->default_region (cf::region::find_by_path $self->{path})
		1906	unless $self->default_region;
		1907
1376	1	1908	1
1377	}	1909	}
1378		1910
1379	sub find;	1911	sub find;
1380	sub find {	1912	sub find {
1381	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1382		1914
1383	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1384		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1386		1919
1387	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1389	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1390	or return;	1925	or return;
1391		1926
1392	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1393		1928
1394	$map->load_header	1929	$map->load_header
1395	or return;	1930	or return;
1396		1931
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1400	$map->reset;	1937	$map->reset;
1401	undef $guard;
1402	return find $path;	1938	return find $path;
1403	}	1939	}
1404		1940
1405	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1406	}	1942	}
…		…
1413	my ($self) = @_;	1949	my ($self) = @_;
1414		1950
1415	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1416		1952
1417	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1419		1957
		1958	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1960
1422	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1423		1962
1424	$self->alloc;	1963	$self->alloc;
1425		1964
1426	$self->pre_load;	1965	$self->pre_load;
		1966	cf::cede_to_tick;
1427		1967
1428	$self->_load_objects ($self->{load_path}, 1)	1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1429	or return;	1971	or return;
1430		1972
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1974	if delete $self->{load_original};
1433		1975
1434	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1977	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1980	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1439	}	1984	}
1440	}	1985	}
1441		1986
1442	Coro::cede;	1987	$f->resolve_delayed_derefs;
1443		1988
		1989	cf::cede_to_tick;
1444	# now do the right thing for maps	1990	# now do the right thing for maps
1445	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1993	unless $self->difficulty;
1455	Coro::cede;	1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1456	$self->activate;	2003	$self->activate;
		2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
		2009	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	2010	}
1458		2011
1459	$self->post_load;	2012	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2013	}
1463		2014
1464	sub customise_for {	2015	sub customise_for {
1465	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1466		2017
1467	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2019	if $self->per_player;
1469		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1470	$self	2024	$self
1471	}	2025	}
1472		2026
1473	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2028	sub load_neighbours {
1475	my ($map) = @_;	2029	my ($map) = @_;
1476		2030
1477	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1478		2032
1479	for (0 .. 3) {	2033	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1481	or next;	2035	or next;
1482	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1483	or next;	2037	or next;
1484	$neigh->load;	2038	$neigh->load;
1485		2039
		2040	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2043	}
1489		2044
1490	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1492	or next;	2048	or next;
1493	$neigh->load;	2049	$neigh->load;
1494	}	2050	}
1495	}	2051	}
1496		2052
…		…
1501	}	2057	}
1502		2058
1503	sub do_load_sync {	2059	sub do_load_sync {
1504	my ($map) = @_;	2060	my ($map) = @_;
1505		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1506	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1507	}	2066	}
1508		2067
1509	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1511		2070
1512	sub find_async {	2071	sub find_async {
1513	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1514		2073
1515	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1516		2075
1517	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2078	}
1520		2079
1521	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1522	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1523	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2087	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2088	$map->load if $v;
		2089	}
1528		2090
1529	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1530	}	2092	}
1531	}	2093	}
1532	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1533	};	2095	};
1534	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2099	}
1538		2100
1539	sub save {	2101	sub save {
1540	my ($self) = @_;	2102	my ($self) = @_;
1541		2103
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2105
1544	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1545		2107
1546	return unless $self->dirty;	2108	return unless $self->dirty;
1547		2109
…		…
1553	return if $self->{deny_save};	2115	return if $self->{deny_save};
1554		2116
1555	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1556		2118
1557	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1559	};	2122	};
1560		2123
1561	if ($uniq) {	2124	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2133	my ($self) = @_;
1571		2134
1572	# save first because save cedes	2135	# save first because save cedes
1573	$self->save;	2136	$self->save;
1574		2137
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2139
1577	return if $self->players;	2140	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2142	return if $self->{deny_save};
1580		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2148	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2149	}
1584		2150
1585	sub reset_at {	2151	sub reset_at {
1586	my ($self) = @_;	2152	my ($self) = @_;
1587		2153
1588	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1591		2156
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2159
…		…
1605	my ($self) = @_;	2170	my ($self) = @_;
1606		2171
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2173
1609	return if $self->players;	2174	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2175
1612	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
1613		2177
1614	$self->in_memory (cf::MAP_SWAPPED);	2178	$self->in_memory (cf::MAP_SWAPPED);
1615		2179
1616	# need to save uniques path	2180	# need to save uniques path
1617	unless ($self->{deny_save}) {	2181	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2185	if $uniq;
1622	}	2186	}
1623		2187
1624	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1625		2189
		2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2192	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2193
1630	$self->unlink_save;	2194	$self->unlink_save;
1631	$self->destroy;	2195	$self->destroy;
1632	}	2196	}
1633		2197
1634	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1635		2199
1636	sub nuke {	2200	sub nuke {
1637	my ($self) = @_;	2201	my ($self) = @_;
1638		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1639	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1640		2207
1641	$self->unlink_save;	2208	$self->unlink_save;
1642		2209
1643	bless $self, "cf::map";	2210	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2215
1649	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1650		2218
1651	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1652	}	2256	}
1653		2257
1654	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1655		2259
1656	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2261	instantiated unique items. May block.
1658		2262
1659	=cut	2263	=cut
1660		2264
1661	sub unique_maps() {	2265	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2266	[
1663	or return;	2267	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2268	utf8::decode $_;
1669	next if /\.pst$/;	2269	/\.map$/
1670	next unless /^$PATH_SEP/o;	2270	? normalise $_
1671		2271	: ()
1672	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2273	]
1674
1675	\@paths
1676	}	2274	}
1677		2275
1678	package cf;	2276	package cf;
1679		2277
1680	=back	2278	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1699	}	2297	}
1700		2298
1701	sub inv_recursive {	2299	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1703	}	2329	}
1704		2330
1705	package cf;	2331	package cf;
1706		2332
1707	=back	2333	=back
…		…
1726		2352
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2354
1729	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1731	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1734	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1735	}	2380	}
1736		2381
1737	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1738		2383
1739	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1787		2432
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2434
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1792		2437
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2439	}
1795		2440
1796	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1798		2445
1799	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1800		2447
1801	unless ($map) {	2448	unless ($map) {
1802	# restore original map position	2449	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1819		2466
1820	$map->load;	2467	$map->load;
1821	$map->load_diag;	2468	$map->load_neighbours;
1822		2469
1823	return unless $self->contr->active;	2470	return unless $self->contr->active;
1824	$self->activate_recursive;	2471	$self->activate_recursive;
		2472
		2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1826	}	2475	}
1827		2476
1828	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2478
1832	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1836	};	2483	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2484
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1863		2488
1864	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2494
1867	$self->enter_link;	2495	$self->enter_link;
1868		2496
1869	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1870	my $map = eval {	2519	my $map = eval {
1871	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
		2524	$map = $check->($map) if $check && $map;
		2525	} else {
		2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
		2528
1873	$map	2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2535	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1878	})->prio (1);	2543	})->prio (1);
1879	}	2544	}
1880		2545
1881	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1882		2547
…		…
1921		2586
1922	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1923		2588
1924	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2591	my $meta = "$RANDOMDIR/$md5.meta";
1927		2592
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2595	undef $fh;
1931	aio_rename "$meta~", $meta;	2596	aio_rename "$meta~", $meta;
…		…
1940		2605
1941	return unless $self->type == cf::PLAYER;	2606	return unless $self->type == cf::PLAYER;
1942		2607
1943	if ($exit->slaying eq "/!") {	2608	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2610	# the problem is that $exit might not survive long enough
		2611	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2612	cf::sync_job { prepare_random_map $exit };
1946	}	2613	}
1947		2614
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
1951		2618
1952	$self->enter_link;	2619	$self->enter_link;
1953		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
1954	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
1955	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2629	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
1958		2631
1959	1;	2632	1;
1960	}) {	2633	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2634	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2635	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2636	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2637	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2638
1966	warn "ERROR in enter_exit: $@";	2639	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2640	$self->leave_link;
1968	}	2641	}
1969	})->prio (1);	2642	})->prio (1);
…		…
1982		2655
1983	sub cf::client::send_drawinfo {	2656	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2657	my ($self, $text, $flags) = @_;
1985		2658
1986	utf8::encode $text;	2659	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2661	}
1989		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
		2756	=item $client->ext_msg ($type, @msg)
		2757
		2758	Sends an ext event to the client.
		2759
		2760	=cut
		2761
		2762	sub cf::client::ext_msg($$@) {
		2763	my ($self, $type, @msg) = @_;
		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
		2768	push @msg, msgtype => "event_$type";
		2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
		2789	}
1990		2790
1991	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
1992		2792
1993	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2796
1997	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2798	become reliable at some point in the future.
1999		2799
2000	=cut	2800	=cut
2001		2801
2002	sub cf::client::query {	2802	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2811	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2813
2014	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2016	}	2818	}
2017		2819
2018	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2019	on_reply => sub {	2826	on_reply => sub {
2020	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2021		2828
2022	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2023	# get handled first	2830	# get handled first
…		…
2035	} else {	2842	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2844	}
2038	}	2845	}
2039	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2040	);	2873	);
2041		2874
2042	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2043		2876
2044	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2087		2920
2088	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2089		2922
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2091		2928
2092	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2093		2930
2094	=pod	2931	=pod
2095		2932
2096	The following fucntions and emthods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2097		2934
2098	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2099	cf::object::player player	2939	cf::object::player
2100	cf::player peaceful	2940	player
2101	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2102		2947
2103	=cut	2948	=cut
2104		2949
2105	for (	2950	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2107	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2110	) {	2957	) {
2111	no strict 'refs';	2958	no strict 'refs';
…		…
2182	=back	3029	=back
2183		3030
2184	=cut	3031	=cut
2185		3032
2186	#############################################################################	3033	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3034	# the server's init and main functions
2260		3035
2261	sub load_resources {	3036	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3044
		3045	warn "loading facedata from $path\n";
		3046
		3047	my $facedata;
		3048	0 < aio_load $path, $facedata
		3049	or die "$path: $!";
		3050
		3051	$facedata = Coro::Storable::thaw $facedata;
		3052
		3053	$facedata->{version} == 2
		3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
		3063	{
		3064	my $faces = $facedata->{faceinfo};
		3065
		3066	while (my ($face, $info) = each %$faces) {
		3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
		3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3072
		3073	cf::cede_to_tick;
		3074	}
		3075
		3076	while (my ($face, $info) = each %$faces) {
		3077	next unless $info->{smooth};
		3078	my $idx = cf::face::find $face
		3079	or next;
		3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
		3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3083	} else {
		3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3085	}
		3086
		3087	cf::cede_to_tick;
		3088	}
		3089	}
		3090
		3091	{
		3092	my $anims = $facedata->{animinfo};
		3093
		3094	while (my ($anim, $info) = each %$anims) {
		3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3096	cf::cede_to_tick;
		3097	}
		3098
		3099	cf::anim::invalidate_all; # d'oh
		3100	}
		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
		3151	1
		3152	}
		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3168	or die "unable to load regions file\n";
2264	}
2265		3169
2266	sub cfg_load {	3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
		3181	sub reload_archetypes {
		3182	load_resource_file "$DATADIR/archetypes"
		3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	}
		3190
		3191	sub reload_treasures {
		3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
		3194	}
		3195
		3196	sub reload_resources {
		3197	warn "reloading resource files...\n";
		3198
		3199	reload_regions;
		3200	reload_facedata;
		3201	#reload_archetypes;#d#
		3202	reload_archetypes;
		3203	reload_treasures;
		3204
		3205	warn "finished reloading resource files\n";
		3206	}
		3207
		3208	sub init {
		3209	reload_resources;
		3210	}
		3211
		3212	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3214	or return;
2269		3215
2270	local $/;	3216	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2272		3218
…		…
2282	};	3228	};
2283	warn $@ if $@;	3229	warn $@ if $@;
2284	}	3230	}
2285	}	3231	}
2286		3232
2287	sub init {
2288	load_resources;
2289	}
2290
2291	sub main {	3233	sub main {
2292	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2296	Event::one_event;	3239	Event::one_event;
2297	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2298	};	3241	};
2299		3242
2300	cfg_load;	3243	reload_config;
2301	db_init;	3244	db_init;
2302	load_extensions;	3245	load_extensions;
2303		3246
2304	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2305	Event::loop;	3248	Event::loop;
…		…
2321	},	3264	},
2322	);	3265	);
2323	}	3266	}
2324	}	3267	}
2325		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2326	sub emergency_save() {	3307	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2328		3309
2329	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2330		3311
…		…
2334	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2336	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3321	$pl->save;
2340	}	3322	}
2341	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2342		3324
2343	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2361		3343
2362	warn Carp::longmess "post_cleanup backtrace"	3344	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3345	if $make_core;
2364	}	3346	}
2365		3347
2366	sub reload() {	3348	sub do_reload_perl() {
2367	# can/must only be called in main	3349	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3351	warn "can only reload from main coroutine";
2370	return;	3352	return;
2371	}	3353	}
2372		3354
2373	warn "reloading...";	3355	warn "reloading...";
2374		3356
2375	warn "entering sync_job";	3357	warn "entering sync_job";
2376		3358
2377	sync_job {	3359	cf::sync_job {
2378	write_runtime;	3360	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	3361	cf::emergency_save;
2380	write_runtime;	3362	cf::write_runtime; # external watchdog should not bark
2381		3363
2382	warn "syncing database to disk";	3364	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3365	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3366
2385	# if anything goes wrong in here, we should simply crash as we already saved	3367	# if anything goes wrong in here, we should simply crash as we already saved
…		…
2391		3373
2392	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2393	for (;;) {	3375	for (;;) {
2394	BDB::flush;	3376	BDB::flush;
2395	IO::AIO::flush;	3377	IO::AIO::flush;
2396	Coro::cede;	3378	Coro::cede_notself;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3380	warn "iterate...";
2399	}	3381	}
		3382
		3383	++$RELOAD;
2400		3384
2401	warn "cancelling all extension coros";	3385	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3386	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3387	%EXT_CORO = ();
2404		3388
2405	warn "removing commands";	3389	warn "removing commands";
2406	%COMMAND = ();	3390	%COMMAND = ();
2407		3391
2408	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2410		3395
2411	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2414		3399
…		…
2444	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3431
2447	warn "unloading cf.pm \"a bit\"";	3432	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2449		3435
2450	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3437	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2453		3439
…		…
2456	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2457	require cf;	3443	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3445
2460	warn "loading config and database again";	3446	warn "loading config and database again";
2461	cf::cfg_load;	3447	cf::reload_config;
2462		3448
2463	warn "loading extensions";	3449	warn "loading extensions";
2464	cf::load_extensions;	3450	cf::load_extensions;
2465		3451
2466	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3453	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3454	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
2470		3456	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3457	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3458
2474	warn "leaving sync_job";	3459	warn "leaving sync_job";
2475		3460
2476	1	3461	1
2477	} or do {	3462	} or do {
…		…
2483	warn "reloaded";	3468	warn "reloaded";
2484	};	3469	};
2485		3470
2486	our $RELOAD_WATCHER; # used only during reload	3471	our $RELOAD_WATCHER; # used only during reload
2487		3472
		3473	sub reload_perl() {
		3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
		3476
		3477	$RELOAD_WATCHER ||= Event->timer (
		3478	reentrant => 0,
		3479	after => 0,
		3480	data => WF_AUTOCANCEL,
		3481	cb => sub {
		3482	do_reload_perl;
		3483	undef $RELOAD_WATCHER;
		3484	},
		3485	);
		3486	}
		3487
2488	register_command "reload" => sub {	3488	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2490		3490
2491	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
2493		3493	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3494	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3495	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3496	};
2506	}	3497	}
2507	};	3498	};
2508		3499
2509	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2510		3501
2511	my $bug_warning = 0;	3502	my $bug_warning = 0;
		3503
		3504	our @WAIT_FOR_TICK;
		3505	our @WAIT_FOR_TICK_BEGIN;
		3506
		3507	sub wait_for_tick {
		3508	return unless $TICK_WATCHER->is_active;
		3509	return if $Coro::current == $Coro::main;
		3510
		3511	my $signal = new Coro::Signal;
		3512	push @WAIT_FOR_TICK, $signal;
		3513	$signal->wait;
		3514	}
		3515
		3516	sub wait_for_tick_begin {
		3517	return unless $TICK_WATCHER->is_active;
		3518	return if $Coro::current == $Coro::main;
		3519
		3520	my $signal = new Coro::Signal;
		3521	push @WAIT_FOR_TICK_BEGIN, $signal;
		3522	$signal->wait;
		3523	}
2512		3524
2513	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3526	reentrant => 0,
2515	parked => 1,	3527	parked => 1,
2516	prio => 0,	3528	prio => 0,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3534	unless ++$bug_warning > 10;
2523	return;	3535	return;
2524	}	3536	}
2525		3537
2526	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2527		3539
2528	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
		3541
2529	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2531		3544
2532	$WAIT_FOR_TICK->broadcast;	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
		3549	write_runtime
		3550	or warn "ERROR: unable to write runtime file: $!";
		3551	};
		3552	}
2534		3553
2535	# my $AFTER = Event::time;	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2536	# warn $AFTER - $NOW;#d#	3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
		3560
		3561	$NOW = Event::time;
2537		3562
2538	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2540		3565
2541	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2542	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
		3568
		3569	$LOAD = ($NOW - $tick_start) / $TICK;
		3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3571
		3572	_post_tick;
2543	},	3573	},
2544	);	3574	);
2545		3575
2546	{	3576	{
		3577	BDB::min_parallel 8;
2547	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2548	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2549	reentrant => 0,	3580	reentrant => 0,
2550	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2551	poll => 'r',	3582	poll => 'r',
2552	prio => 0,	3583	prio => 0,
2553	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2554	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2555	);	3586	);
2556	BDB::min_parallel 8;
2557		3587
2558	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2559	my $status;	3589	my $status;
2560	my $current = $Coro::current;	3590	my $current = $Coro::current;
2561	(	3591	(
…		…
2570	)	3600	)
2571	};	3601	};
2572		3602
2573	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2574	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2575		3609
2576	cf::sync_job {	3610	cf::sync_job {
2577	eval {	3611	eval {
2578	BDB::db_env_open	3612	BDB::db_env_open
2579	$DB_ENV,	3613	$DB_ENV,
2580	$BDB_ENV_DIR,	3614	$BDBDIR,
2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	3617	0666;
2584		3618
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588	$DB_ENV->set_lk_detect;
2589	};	3620	};
2590		3621
2591	cf::cleanup "db_env_open(db): $@" if $@;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2592	};	3623	};
2593	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2594	}	3656	}
2595		3657
2596	{	3658	{
2597	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
2598		3660
2599	undef $Coro::AIO::WATCHER;	3661	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	3662	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2602	reentrant => 0,	3664	reentrant => 0,
		3665	data => WF_AUTOCANCEL,
2603	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2604	poll => 'r',	3667	poll => 'r',
2605	prio => 6,	3668	prio => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2608	);	3670	);
2609	}	3671	}
2610		3672
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	3673	my $_log_backtrace;
2612	reentrant => 0,
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		3674
2621	Coro::async_pool {	3675	sub _log_backtrace {
2622	write_runtime	3676	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	3677
		3678	$msg =~ s/\n//;
		3679
		3680	# limit the # of concurrent backtraces
		3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
2624	};	3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
2625	},	3710	}
2626	);	3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
2627		3715
2628	END { cf::emergency_save }	3716	END { cf::emergency_save }
2629		3717
2630	1	3718	1
2631		3719

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