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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 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) {
329	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
330	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
331		458
332	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
333	} else {	460	} else {
334	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
335		462
…		…
355	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
356		483
357	$coro	484	$coro
358	}	485	}
359		486
360	sub write_runtime {	487	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		488
363	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
364		493
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
366	or return;
367		495
368	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		498
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
373	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
374		502
375	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	504	reset_signals;
377	and return;	505	&$cb
		506	}, @args;
378		507
379	close $fh	508	wantarray ? @res : $res[-1]
380	or return;	509	}
381		510
382	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
383	and return;
384		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
385	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	647	}
387		648
388	=back	649	=back
389		650
390	=cut	651	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
399		660
400	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	663	Crossfire TRT).
403		664
404	=over 4	665	=over 4
405		666
406	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
407		668
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
571		832
572	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		837
577	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	839	my $pkg = shift @arg;
579		840
580	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
610	}	871	}
611		872
612	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
613	} else {	874	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	876	}
616		877
617	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
618	}	879	}
619		880
…		…
621	if (ref $_[0]) {	882	if (ref $_[0]) {
622	_object_attach @_;	883	_object_attach @_;
623	} else {	884	} else {
624	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
625	}	886	}
		887	_recalc_want;
626	};	888	};
627		889
628	# all those should be optimised	890	# all those should be optimised
629	sub cf::attachable::detach {	891	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
634	reattach ($obj);	896	reattach ($obj);
635	} else {	897	} else {
636	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
637	}	899	}
		900	_recalc_want;
638	};	901	};
639		902
640	sub cf::attachable::attached {	903	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
642		905
…		…
657	";	920	";
658	die if $@;	921	die if $@;
659	}	922	}
660		923
661	our $override;	924	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		926
664	sub override {	927	sub override {
665	$override = 1;	928	$override = 1;
666	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
667	}	930	}
668		931
669	sub do_invoke {	932	sub do_invoke {
670	my $event = shift;	933	my $event = shift;
671	my $callbacks = shift;	934	my $callbacks = shift;
672		935
673	@invoke_results = ();	936	@INVOKE_RESULTS = ();
674		937
675	local $override;	938	local $override;
676		939
677	for (@$callbacks) {	940	for (@$callbacks) {
678	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
695		958
696	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
697		960
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		964
702	=back	965	=back
703		966
704	=cut	967	=cut
705		968
706	#############################################################################	969	#############################################################################
707	# object support	970	# object support
		971
		972	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
708		1013
709	sub reattach {	1014	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1016	my ($obj) = @_;
712		1017
…		…
759	sub object_freezer_save {	1064	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
761		1066
762	sync_job {	1067	sync_job {
763	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
766		1072
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1076	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1077	close $fh;
772		1078
773	if (@$objs) {	1079	if (@$objs) {
774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1084	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1085	close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
781	}	1087	}
…		…
789	}	1095	}
790	} else {	1096	} else {
791	aio_unlink $filename;	1097	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
793	}	1099	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1100	};
801	}	1101	}
802		1102
803	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
805		1105
…		…
810		1110
811	sub object_thawer_load {	1111	sub object_thawer_load {
812	my ($filename) = @_;	1112	my ($filename) = @_;
813		1113
814	my ($data, $av);	1114	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1115
819	(aio_load $filename, $data) >= 0	1116	(aio_load $filename, $data) >= 0
820	or return;	1117	or return;
821		1118
822	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
824	or return;	1121	or return;
825	$av = eval { (Storable::thaw $av)->{objs} };
826	}
827		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
830	return ($data, $av);	1132	($data, $av)
831	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
832		1140
833	#############################################################################	1141	#############################################################################
834	# command handling &c	1142	# command handling &c
835		1143
836	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1158	}
851		1159
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1161
854	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
855		1167
856	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
857	called.	1169	called.
858		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
859	=cut	1182	=cut
860		1183
861	sub register_extcmd {	1184	sub register_extcmd {
862	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
863		1186
864	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
865	}	1194	}
866		1195
867	cf::player->attach (	1196	cf::player->attach (
868	on_command => sub {	1197	on_command => sub {
869	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1207	cf::override;
879	},	1208	},
880	on_extcmd => sub {	1209	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
882		1211
883	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1213
885	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
891	} else {	1229	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1231	}
894		1232
895	cf::override;	1233	cf::override;
896	},	1234	},
897	);	1235	);
898		1236
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
934	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1242	next unless -r $path;
936	eval {	1243
937	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
938	1	1301	}
939	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
940	}	1307	};
941	}	1308	}
942		1309
943	#############################################################################	1310	#############################################################################
944		1311
		1312	=back
		1313
945	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
946		1315
947	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
948		1317
949	=cut	1318	=cut
…		…
954		1323
955	=head3 cf::player	1324	=head3 cf::player
956		1325
957	=over 4	1326	=over 4
958		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
		1341
959	=item cf::player::find $login	1342	=item cf::player::find $login
960		1343
961	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
962		1345
963	=cut	1346	=cut
964		1347
965	sub playerdir($) {	1348	sub playerdir($) {
966	cf::localdir	1349	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1350	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1351	}
972		1352
973	sub path($) {	1353	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1354	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1355
976	(playerdir $login) . "/$login.pl"	1356	(playerdir $login) . "/playerdata"
977	}	1357	}
978		1358
979	sub find_active($) {	1359	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1360	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1361	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1374	my $login = $_[0];
995		1375
996	my $guard = cf::lock_acquire "user_find:$login";	1376	my $guard = cf::lock_acquire "user_find:$login";
997		1377
998	$cf::PLAYER{$_[0]} || do {	1378	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1379	# rename old playerfiles to new ones
		1380	#TODO: remove when no longer required
		1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1384	aio_unlink +(playerdir $login) . "/$login.pl";
		1385
		1386	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
1002	}	1394	}
1003	}	1395	}
1004	}	1396	}
1005		1397
…		…
1015		1407
1016	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1018		1410
1019	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1020	Coro::cede;	1412	cf::cede_to_tick;
1021	}	1413	}
1022		1414
1023	sub new($) {	1415	sub new($) {
1024	my ($login) = @_;	1416	my ($login) = @_;
1025		1417
…		…
1031	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1032		1424
1033	$self	1425	$self
1034	}	1426	}
1035		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
		1436	}
		1437
1036	=item $pl->quit_character	1438	=item $pl->quit_character
1037		1439
1038	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1441	be destroyed. May block for a long time.
1040		1442
1041	=cut	1443	=cut
1042		1444
1043	sub quit_character {	1445	sub quit_character {
1044	my ($pl) = @_;	1446	my ($pl) = @_;
		1447
		1448	my $name = $pl->ob->name;
1045		1449
1046	$pl->{deny_save} = 1;	1450	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1451	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1452
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1458	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1459	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1460	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1461	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1462	$pl->destroy;
		1463
		1464	my $prefix = qr<^~\Q$name\E/>;
		1465
		1466	# nuke player maps
		1467	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1468
1059	IO::AIO::aio_rmtree $temp;	1469	IO::AIO::aio_rmtree $temp;
		1470	}
		1471
		1472	=item $pl->kick
		1473
		1474	Kicks a player out of the game. This destroys the connection.
		1475
		1476	=cut
		1477
		1478	sub kick {
		1479	my ($pl, $kicker) = @_;
		1480
		1481	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1482	$pl->killer ("kicked");
		1483	$pl->ns->destroy;
1060	}	1484	}
1061		1485
1062	=item cf::player::list_logins	1486	=item cf::player::list_logins
1063		1487
1064	Returns am arrayref of all valid playernames in the system, can take a	1488	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1489	while and may block, so not sync_job-capable, ever.
1066		1490
1067	=cut	1491	=cut
1068		1492
1069	sub list_logins {	1493	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1494	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1495	or return [];
1072		1496
1073	my @logins;	1497	my @logins;
1074		1498
1075	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1079		1508
1080	utf8::decode $login;	1509	utf8::decode $login;
1081	push @logins, $login;	1510	push @logins, $login;
1082	}	1511	}
1083		1512
…		…
1110	}	1539	}
1111		1540
1112	\@paths	1541	\@paths
1113	}	1542	}
1114		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1116		1596
1117	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1118		1598
1119	=cut	1599	=cut
1120		1600
1121	sub ext_reply($$$%) {	1601	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1123		1603
1124	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1605	}
1128		1606
1129	package cf;	1607	=item $player->ext_msg ($type, @msg)
		1608
		1609	Sends an ext event to the client.
		1610
		1611	=cut
		1612
		1613	sub ext_msg($$@) {
		1614	my ($self, $type, @msg) = @_;
		1615
		1616	$self->ns->ext_msg ($type, @msg);
		1617	}
		1618
		1619	=head3 cf::region
		1620
		1621	=over 4
		1622
		1623	=cut
		1624
		1625	package cf::region;
		1626
		1627	=item cf::region::find_by_path $path
		1628
		1629	Tries to decuce the likely region for a map knowing only its path.
		1630
		1631	=cut
		1632
		1633	sub find_by_path($) {
		1634	my ($path) = @_;
		1635
		1636	my ($match, $specificity);
		1637
		1638	for my $region (list) {
		1639	if ($region->{match} && $path =~ $region->{match}) {
		1640	($match, $specificity) = ($region, $region->specificity)
		1641	if $region->specificity > $specificity;
		1642	}
		1643	}
		1644
		1645	$match
		1646	}
1130		1647
1131	=back	1648	=back
1132
1133		1649
1134	=head3 cf::map	1650	=head3 cf::map
1135		1651
1136	=over 4	1652	=over 4
1137		1653
…		…
1192	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1193		1709
1194	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1195	local $self->{path};	1711	local $self->{path};
1196	local $self->{load_path};	1712	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1713
1200	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1201	}	1715	}
1202		1716
1203	sub normalise {	1717	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1251	return $self;	1765	return $self;
1252	}	1766	}
1253	}	1767	}
1254		1768
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1770	()
1257	}	1771	}
1258		1772
1259	sub init {	1773	sub init {
1260	my ($self) = @_;	1774	my ($self) = @_;
…		…
1275		1789
1276	# the original (read-only) location	1790	# the original (read-only) location
1277	sub load_path {	1791	sub load_path {
1278	my ($self) = @_;	1792	my ($self) = @_;
1279		1793
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1794	"$MAPDIR/$self->{path}.map"
1281	}	1795	}
1282		1796
1283	# the temporary/swap location	1797	# the temporary/swap location
1284	sub save_path {	1798	sub save_path {
1285	my ($self) = @_;	1799	my ($self) = @_;
1286		1800
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1802	"$TMPDIR/$path.map"
1289	}	1803	}
1290		1804
1291	# the unique path, undef == no special unique path	1805	# the unique path, undef == no special unique path
1292	sub uniq_path {	1806	sub uniq_path {
1293	my ($self) = @_;	1807	my ($self) = @_;
1294		1808
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1810	"$UNIQUEDIR/$path"
1297	}	1811	}
1298		1812
1299	# and all this just because we cannot iterate over	1813	# and all this just because we cannot iterate over
1300	# all maps in C++...	1814	# all maps in C++...
1301	sub change_all_map_light {	1815	sub change_all_map_light {
…		…
1303		1817
1304	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1306	}	1820	}
1307		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1308	sub unlink_save {	1830	sub unlink_save {
1309	my ($self) = @_;	1831	my ($self) = @_;
1310		1832
1311	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1835	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1836	}
1320		1837
1321	sub load_header_from($) {	1838	sub load_header_from($) {
1322	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1323		1840
1324	utf8::encode $path;	1841	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1843	or return;
		1844
		1845	$self->_load_header ($f)
		1846	or return;
		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
1330		1850
1331	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1332		1852
1333	1	1853	1
1334	}	1854	}
…		…
1373	$self->load_header_orig	1893	$self->load_header_orig
1374	or return;	1894	or return;
1375	$self->prepare_orig;	1895	$self->prepare_orig;
1376	}	1896	}
1377		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
		1901	$self->default_region (cf::region::find_by_path $self->{path})
		1902	unless $self->default_region;
		1903
1378	1	1904	1
1379	}	1905	}
1380		1906
1381	sub find;	1907	sub find;
1382	sub find {	1908	sub find {
1383	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1384		1910
1385	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1386		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1388		1915
1389	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1391	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1392	or return;	1921	or return;
1393		1922
1394	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1395		1924
1396	$map->load_header	1925	$map->load_header
1397	or return;	1926	or return;
1398		1927
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1402	$map->reset;	1933	$map->reset;
1403	undef $guard;
1404	return find $path;	1934	return find $path;
1405	}	1935	}
1406		1936
1407	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1408	}	1938	}
…		…
1415	my ($self) = @_;	1945	my ($self) = @_;
1416		1946
1417	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1418		1948
1419	my $path = $self->{path};	1949	my $path = $self->{path};
		1950
		1951	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1421		1953
		1954	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		1956
1424	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1425		1958
1426	$self->alloc;	1959	$self->alloc;
1427		1960
1428	$self->pre_load;	1961	$self->pre_load;
		1962	cf::cede_to_tick;
1429		1963
1430	$self->_load_objects ($self->{load_path}, 1)	1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
		1966	$self->_load_objects ($f)
1431	or return;	1967	or return;
1432		1968
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	1970	if delete $self->{load_original};
1435		1971
1436	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	1973	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	1976	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1441	}	1980	}
1442	}	1981	}
1443		1982
1444	Coro::cede;	1983	$f->resolve_delayed_derefs;
1445		1984
		1985	cf::cede_to_tick;
1446	# now do the right thing for maps	1986	# now do the right thing for maps
1447	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1989	unless $self->difficulty;
1457	Coro::cede;	1990	cf::cede_to_tick;
		1991
		1992	unless ($self->{deny_activate}) {
		1993	$self->decay_objects;
		1994	$self->fix_auto_apply;
		1995	$self->update_buttons;
		1996	cf::cede_to_tick;
		1997	$self->set_darkness_map;
		1998	cf::cede_to_tick;
1458	$self->activate;	1999	$self->activate;
		2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
		2004
		2005	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2006	}
1460		2007
1461	$self->post_load;	2008	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2009	}
1465		2010
1466	sub customise_for {	2011	sub customise_for {
1467	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1468		2013
1469	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2015	if $self->per_player;
1471		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1472	$self	2020	$self
1473	}	2021	}
1474		2022
1475	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2024	sub load_neighbours {
1477	my ($map) = @_;	2025	my ($map) = @_;
1478		2026
1479	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1480		2028
1481	for (0 .. 3) {	2029	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1483	or next;	2031	or next;
1484	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1485	or next;	2033	or next;
1486	$neigh->load;	2034	$neigh->load;
1487		2035
		2036	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2039	}
1491		2040
1492	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1494	or next;	2044	or next;
1495	$neigh->load;	2045	$neigh->load;
1496	}	2046	}
1497	}	2047	}
1498		2048
…		…
1503	}	2053	}
1504		2054
1505	sub do_load_sync {	2055	sub do_load_sync {
1506	my ($map) = @_;	2056	my ($map) = @_;
1507		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1508	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1509	}	2062	}
1510		2063
1511	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1513		2066
1514	sub find_async {	2067	sub find_async {
1515	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1516		2069
1517	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1518		2071
1519	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	2074	}
1522		2075
1523	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1524	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1525	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2083	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2084	$map->load if $v;
		2085	}
1530		2086
1531	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1532	}	2088	}
1533	}	2089	}
1534	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1535	};	2091	};
1536	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2095	}
1540		2096
1541	sub save {	2097	sub save {
1542	my ($self) = @_;	2098	my ($self) = @_;
1543		2099
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2101
1546	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1547		2103
1548	return unless $self->dirty;	2104	return unless $self->dirty;
1549		2105
…		…
1555	return if $self->{deny_save};	2111	return if $self->{deny_save};
1556		2112
1557	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1558		2114
1559	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1561	};	2118	};
1562		2119
1563	if ($uniq) {	2120	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1572	my ($self) = @_;	2129	my ($self) = @_;
1573		2130
1574	# save first because save cedes	2131	# save first because save cedes
1575	$self->save;	2132	$self->save;
1576		2133
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2135
1579	return if $self->players;	2136	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2138	return if $self->{deny_save};
1582		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2144	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2145	}
1586		2146
1587	sub reset_at {	2147	sub reset_at {
1588	my ($self) = @_;	2148	my ($self) = @_;
1589		2149
1590	# TODO: safety, remove and allow resettable per-player maps	2150	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2151	return 1e99 if $self->{deny_reset};
1593		2152
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2155
…		…
1607	my ($self) = @_;	2166	my ($self) = @_;
1608		2167
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2169
1611	return if $self->players;	2170	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2171
1614	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
1615		2173
1616	$self->in_memory (cf::MAP_SWAPPED);	2174	$self->in_memory (cf::MAP_SWAPPED);
1617		2175
1618	# need to save uniques path	2176	# need to save uniques path
1619	unless ($self->{deny_save}) {	2177	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2181	if $uniq;
1624	}	2182	}
1625		2183
1626	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1627		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2188	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2189
1632	$self->unlink_save;	2190	$self->unlink_save;
1633	$self->destroy;	2191	$self->destroy;
1634	}	2192	}
1635		2193
1636	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1637		2195
1638	sub nuke {	2196	sub nuke {
1639	my ($self) = @_;	2197	my ($self) = @_;
1640		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1641	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1642		2203
1643	$self->unlink_save;	2204	$self->unlink_save;
1644		2205
1645	bless $self, "cf::map";	2206	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2211
1651	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1652		2214
1653	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
		2216	}
		2217
		2218	=item $maps = cf::map::tmp_maps
		2219
		2220	Returns an arrayref with all map paths of currently instantiated and saved
		2221	maps. May block.
		2222
		2223	=cut
		2224
		2225	sub tmp_maps() {
		2226	[
		2227	map {
		2228	utf8::decode $_;
		2229	/\.map$/
		2230	? normalise $_
		2231	: ()
		2232	} @{ aio_readdir $TMPDIR or [] }
		2233	]
		2234	}
		2235
		2236	=item $maps = cf::map::random_maps
		2237
		2238	Returns an arrayref with all map paths of currently instantiated and saved
		2239	random maps. May block.
		2240
		2241	=cut
		2242
		2243	sub random_maps() {
		2244	[
		2245	map {
		2246	utf8::decode $_;
		2247	/\.map$/
		2248	? normalise "?random/$_"
		2249	: ()
		2250	} @{ aio_readdir $RANDOMDIR or [] }
		2251	]
1654	}	2252	}
1655		2253
1656	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1657		2255
1658	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2257	instantiated unique items. May block.
1660		2258
1661	=cut	2259	=cut
1662		2260
1663	sub unique_maps() {	2261	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2262	[
1665	or return;	2263	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2264	utf8::decode $_;
1671	next if /\.pst$/;	2265	/\.map$/
1672	next unless /^$PATH_SEP/o;	2266	? normalise $_
1673		2267	: ()
1674	push @paths, cf::map::normalise $_;	2268	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2269	]
1676
1677	\@paths
1678	}	2270	}
1679		2271
1680	package cf;	2272	package cf;
1681		2273
1682	=back	2274	=back
…		…
1700	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1701	}	2293	}
1702		2294
1703	sub inv_recursive {	2295	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
		2297	}
		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
1705	}	2325	}
1706		2326
1707	package cf;	2327	package cf;
1708		2328
1709	=back	2329	=back
…		…
1728		2348
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2350
1731	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1733	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1736	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1737	}	2376	}
1738		2377
1739	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1740		2379
1741	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1789		2428
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2430
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1794		2433
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2435	}
1797		2436
1798	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1800		2441
1801	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1802		2443
1803	unless ($map) {	2444	unless ($map) {
1804	# restore original map position	2445	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1821		2462
1822	$map->load;	2463	$map->load;
1823	$map->load_diag;	2464	$map->load_neighbours;
1824		2465
1825	return unless $self->contr->active;	2466	return unless $self->contr->active;
1826	$self->activate_recursive;	2467	$self->activate_recursive;
		2468
		2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1828	}	2471	}
1829		2472
1830	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2474
1834	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1838	};	2479	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2480
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2481	=cut
		2482
		2483	our $GOTOGEN;
1865		2484
1866	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
		2487
		2488	# do generation counting so two concurrent goto's will be executed in-order
		2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2490
1869	$self->enter_link;	2491	$self->enter_link;
1870		2492
1871	(async {	2493	(async {
		2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
1872	my $map = eval {	2515	my $map = eval {
1873	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2519	$map = $map->customise_for ($self);
		2520	$map = $check->($map) if $check && $map;
		2521	} else {
		2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2523	}
		2524
1875	$map	2525	$map
		2526	};
		2527
		2528	if ($@) {
		2529	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2530	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2531	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1880	})->prio (1);	2539	})->prio (1);
1881	}	2540	}
1882		2541
1883	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1884		2543
…		…
1923		2582
1924	$rmp->{random_seed} ||= $exit->random_seed;	2583	$rmp->{random_seed} ||= $exit->random_seed;
1925		2584
1926	my $data = cf::to_json $rmp;	2585	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2586	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2587	my $meta = "$RANDOMDIR/$md5.meta";
1929		2588
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2590	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2591	undef $fh;
1933	aio_rename "$meta~", $meta;	2592	aio_rename "$meta~", $meta;
…		…
1942		2601
1943	return unless $self->type == cf::PLAYER;	2602	return unless $self->type == cf::PLAYER;
1944		2603
1945	if ($exit->slaying eq "/!") {	2604	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2606	# the problem is that $exit might not survive long enough
		2607	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2608	cf::sync_job { prepare_random_map $exit };
1948	}	2609	}
1949		2610
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
1953		2614
1954	$self->enter_link;	2615	$self->enter_link;
1955		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
1956	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
1957	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2625	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
1960		2627
1961	1;	2628	1;
1962	}) {	2629	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2630	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2631	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2632	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2633	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2634
1968	warn "ERROR in enter_exit: $@";	2635	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2636	$self->leave_link;
1970	}	2637	}
1971	})->prio (1);	2638	})->prio (1);
…		…
1984		2651
1985	sub cf::client::send_drawinfo {	2652	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2653	my ($self, $text, $flags) = @_;
1987		2654
1988	utf8::encode $text;	2655	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2657	}
1991		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
		2752	=item $client->ext_msg ($type, @msg)
		2753
		2754	Sends an ext event to the client.
		2755
		2756	=cut
		2757
		2758	sub cf::client::ext_msg($$@) {
		2759	my ($self, $type, @msg) = @_;
		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
		2764	push @msg, msgtype => "event_$type";
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
		2785	}
1992		2786
1993	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
1994		2788
1995	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2790	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2792
1999	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2794	become reliable at some point in the future.
2001		2795
2002	=cut	2796	=cut
2003		2797
2004	sub cf::client::query {	2798	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2807	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2809
2016	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
2018	}	2814	}
2019		2815
2020	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
2021	on_reply => sub {	2822	on_reply => sub {
2022	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
2023		2824
2024	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2025	# get handled first	2826	# get handled first
…		…
2037	} else {	2838	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2840	}
2040	}	2841	}
2041	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
2042	);	2869	);
2043		2870
2044	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2045		2872
2046	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2089		2916
2090	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2091		2918
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
2093		2924
2094	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2095		2926
2096	=pod	2927	=pod
2097		2928
2098	The following fucntions and emthods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2099		2930
2100	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
2101	cf::object::player player	2935	cf::object::player
2102	cf::player peaceful	2936	player
2103	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2104		2943
2105	=cut	2944	=cut
2106		2945
2107	for (	2946	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2109	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2112	) {	2953	) {
2113	no strict 'refs';	2954	no strict 'refs';
…		…
2184	=back	3025	=back
2185		3026
2186	=cut	3027	=cut
2187		3028
2188	#############################################################################	3029	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3030	# the server's init and main functions
2262		3031
2263	sub load_resources {	3032	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3033	my ($path) = @_;
		3034
		3035	# HACK to clear player env face cache, we need some signal framework
		3036	# for this (global event?)
		3037	%ext::player_env::MUSIC_FACE_CACHE = ();
		3038
		3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3040
		3041	warn "loading facedata from $path\n";
		3042
		3043	my $facedata;
		3044	0 < aio_load $path, $facedata
		3045	or die "$path: $!";
		3046
		3047	$facedata = Coro::Storable::thaw $facedata;
		3048
		3049	$facedata->{version} == 2
		3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3051
		3052	# patch in the exptable
		3053	$facedata->{resource}{"res/exp_table"} = {
		3054	type => FT_RSRC,
		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3056	};
		3057	cf::cede_to_tick;
		3058
		3059	{
		3060	my $faces = $facedata->{faceinfo};
		3061
		3062	while (my ($face, $info) = each %$faces) {
		3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
		3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3068
		3069	cf::cede_to_tick;
		3070	}
		3071
		3072	while (my ($face, $info) = each %$faces) {
		3073	next unless $info->{smooth};
		3074	my $idx = cf::face::find $face
		3075	or next;
		3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
		3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3079	} else {
		3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3081	}
		3082
		3083	cf::cede_to_tick;
		3084	}
		3085	}
		3086
		3087	{
		3088	my $anims = $facedata->{animinfo};
		3089
		3090	while (my ($anim, $info) = each %$anims) {
		3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	cf::anim::invalidate_all; # d'oh
		3096	}
		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
		3147	1
		3148	}
		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
		3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
		3163	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3164	or die "unable to load regions file\n";
2266	}
2267		3165
2268	sub cfg_load {	3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
		3170	}
		3171
		3172	sub reload_facedata {
		3173	load_facedata "$DATADIR/facedata"
		3174	or die "unable to load facedata\n";
		3175	}
		3176
		3177	sub reload_archetypes {
		3178	load_resource_file "$DATADIR/archetypes"
		3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
		3185	}
		3186
		3187	sub reload_treasures {
		3188	load_resource_file "$DATADIR/treasures"
		3189	or die "unable to load treasurelists\n";
		3190	}
		3191
		3192	sub reload_resources {
		3193	warn "reloading resource files...\n";
		3194
		3195	reload_regions;
		3196	reload_facedata;
		3197	#reload_archetypes;#d#
		3198	reload_archetypes;
		3199	reload_treasures;
		3200
		3201	warn "finished reloading resource files\n";
		3202	}
		3203
		3204	sub init {
		3205	reload_resources;
		3206	}
		3207
		3208	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3210	or return;
2271		3211
2272	local $/;	3212	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
2274		3214
…		…
2284	};	3224	};
2285	warn $@ if $@;	3225	warn $@ if $@;
2286	}	3226	}
2287	}	3227	}
2288		3228
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3229	sub main {
2294	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2298	Event::one_event;	3235	Event::one_event;
2299	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2300	};	3237	};
2301		3238
2302	cfg_load;	3239	reload_config;
2303	db_init;	3240	db_init;
2304	load_extensions;	3241	load_extensions;
2305		3242
2306	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2307	Event::loop;	3244	Event::loop;
…		…
2323	},	3260	},
2324	);	3261	);
2325	}	3262	}
2326	}	3263	}
2327		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
		3301	}
		3302
2328	sub emergency_save() {	3303	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2330		3305
2331	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2332		3307
…		…
2336	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3317	$pl->save;
2342	}	3318	}
2343	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2344		3320
2345	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2363		3339
2364	warn Carp::longmess "post_cleanup backtrace"	3340	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3341	if $make_core;
2366	}	3342	}
2367		3343
2368	sub reload() {	3344	sub do_reload_perl() {
2369	# can/must only be called in main	3345	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3346	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3347	warn "can only reload from main coroutine";
2372	return;	3348	return;
2373	}	3349	}
2374		3350
2375	warn "reloading...";	3351	warn "reloading...";
2376		3352
2377	warn "cancelling server ticker";	3353	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3354
		3355	cf::sync_job {
		3356	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3357	cf::emergency_save;
		3358	cf::write_runtime; # external watchdog should not bark
2381		3359
2382	eval {	3360	warn "syncing database to disk";
		3361	BDB::db_env_txn_checkpoint $DB_ENV;
		3362
2383	# if anything goes wrong in here, we should simply crash as we already saved	3363	# if anything goes wrong in here, we should simply crash as we already saved
2384		3364
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3365	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3366	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3367	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3368	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3369
2393	warn "flushing outstanding aio requests";	3370	warn "flushing outstanding aio requests";
2394	for (;;) {	3371	for (;;) {
2395	BDB::flush;	3372	BDB::flush;
2396	IO::AIO::flush;	3373	IO::AIO::flush;
2397	Coro::cede;	3374	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3375	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3376	warn "iterate...";
2400	}	3377	}
2401		3378
		3379	++$RELOAD;
		3380
2402	warn "cancelling all extension coros";	3381	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3382	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3383	%EXT_CORO = ();
2405		3384
2406	warn "removing commands";	3385	warn "removing commands";
2407	%COMMAND = ();	3386	%COMMAND = ();
2408		3387
2409	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2411		3391
2412	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2415		3395
…		…
2445	Symbol::delete_package "safe::$_"	3425	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3427
2448	warn "unloading cf.pm \"a bit\"";	3428	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3429	delete $INC{"cf.pm"};
		3430	delete $INC{"cf/pod.pm"};
2450		3431
2451	# don't, removes xs symbols, too,	3432	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3433	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3434	#Symbol::delete_package __PACKAGE__;
2454		3435
…		…
2457	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2458	require cf;	3439	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3441
2461	warn "loading config and database again";	3442	warn "loading config and database again";
2462	cf::cfg_load;	3443	cf::reload_config;
2463		3444
2464	warn "loading extensions";	3445	warn "loading extensions";
2465	cf::load_extensions;	3446	cf::load_extensions;
2466		3447
2467	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3449	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3450	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3451	reattach $_ for values %MAP;
		3452	warn "reattaching attachments to players";
		3453	reattach $_ for values %PLAYER;
2471		3454
2472	warn "loading reloadable resources";	3455	warn "leaving sync_job";
2473	load_resources;
2474		3456
2475	warn "restarting server ticker";	3457	1
2476		3458	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3459	warn $@;
2482	warn "error while reloading, exiting.";	3460	warn "error while reloading, exiting.";
2483	exit 1;	3461	exit 1;
2484	}	3462	};
2485		3463
2486	warn "reloaded";	3464	warn "reloaded";
2487	};	3465	};
2488		3466
2489	our $RELOAD_WATCHER; # used only during reload	3467	our $RELOAD_WATCHER; # used only during reload
2490		3468
		3469	sub reload_perl() {
		3470	# doing reload synchronously and two reloads happen back-to-back,
		3471	# coro crashes during coro_state_free->destroy here.
		3472
		3473	$RELOAD_WATCHER ||= Event->timer (
		3474	reentrant => 0,
		3475	after => 0,
		3476	data => WF_AUTOCANCEL,
		3477	cb => sub {
		3478	do_reload_perl;
		3479	undef $RELOAD_WATCHER;
		3480	},
		3481	);
		3482	}
		3483
2491	register_command "reload" => sub {	3484	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2493		3486
2494	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
2496		3489	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3490	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3491	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3492	};
2509	}	3493	}
2510	};	3494	};
2511		3495
2512	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2513		3497
2514	my $bug_warning = 0;	3498	my $bug_warning = 0;
		3499
		3500	our @WAIT_FOR_TICK;
		3501	our @WAIT_FOR_TICK_BEGIN;
		3502
		3503	sub wait_for_tick {
		3504	return unless $TICK_WATCHER->is_active;
		3505	return if $Coro::current == $Coro::main;
		3506
		3507	my $signal = new Coro::Signal;
		3508	push @WAIT_FOR_TICK, $signal;
		3509	$signal->wait;
		3510	}
		3511
		3512	sub wait_for_tick_begin {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK_BEGIN, $signal;
		3518	$signal->wait;
		3519	}
2515		3520
2516	$TICK_WATCHER = Event->timer (	3521	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3522	reentrant => 0,
2518	parked => 1,	3523	parked => 1,
2519	prio => 0,	3524	prio => 0,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3530	unless ++$bug_warning > 10;
2526	return;	3531	return;
2527	}	3532	}
2528		3533
2529	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2530		3535
2531	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
		3537
2532	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2534		3540
2535	$WAIT_FOR_TICK->broadcast;	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3543	Coro::async_pool {
2538	Event::sweep;	3544	$Coro::current->{desc} = "runtime saver";
2539	Coro::cede_notself;	3545	write_runtime
		3546	or warn "ERROR: unable to write runtime file: $!";
		3547	};
2540		3548	}
2541	# my $AFTER = Event::time;	3549
2542	# warn $AFTER - $NOW;#d#	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3551	$sig->send;
		3552	}
		3553	while (my $sig = shift @WAIT_FOR_TICK) {
		3554	$sig->send;
		3555	}
		3556
		3557	$NOW = Event::time;
2543		3558
2544	# if we are delayed by four ticks or more, skip them all	3559	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3561
2547	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
		3564
		3565	$LOAD = ($NOW - $tick_start) / $TICK;
		3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3567
		3568	_post_tick;
2549	},	3569	},
2550	);	3570	);
2551		3571
2552	{	3572	{
		3573	BDB::min_parallel 8;
2553	BDB::max_poll_time $TICK * 0.1;	3574	BDB::max_poll_time $TICK * 0.1;
2554	$BDB_POLL_WATCHER = Event->io (	3575	$BDB_POLL_WATCHER = Event->io (
2555	reentrant => 0,	3576	reentrant => 0,
2556	fd => BDB::poll_fileno,	3577	fd => BDB::poll_fileno,
2557	poll => 'r',	3578	poll => 'r',
2558	prio => 0,	3579	prio => 0,
2559	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,	3581	cb => \&BDB::poll_cb,
2561	);	3582	);
2562	BDB::min_parallel 8;
2563		3583
2564	BDB::set_sync_prepare {	3584	BDB::set_sync_prepare {
2565	my $status;	3585	my $status;
2566	my $current = $Coro::current;	3586	my $current = $Coro::current;
2567	(	3587	(
…		…
2576	)	3596	)
2577	};	3597	};
2578		3598
2579	unless ($DB_ENV) {	3599	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3605
2582	cf::sync_job {	3606	cf::sync_job {
2583	eval {	3607	eval {
2584	BDB::db_env_open	3608	BDB::db_env_open
2585	$DB_ENV,	3609	$DB_ENV,
2586	$BDB_ENV_DIR,	3610	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3613	0666;
2590		3614
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3616	};
2596		3617
2597	cf::cleanup "db_env_open(db): $@" if $@;	3618	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3619	};
2599	}	3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
		3623	after => 3,
		3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
		3628	cb => sub {
		3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3630	},
		3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
2600	}	3652	}
2601		3653
2602	{	3654	{
2603	IO::AIO::min_parallel 8;	3655	IO::AIO::min_parallel 8;
2604		3656
2605	undef $Coro::AIO::WATCHER;	3657	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3658	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3660	reentrant => 0,
		3661	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3663	poll => 'r',
2611	prio => 6,	3664	prio => 0,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
2614	);	3666	);
2615	}	3667	}
2616		3668
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3669	my $_log_backtrace;
2618	reentrant => 0,	3670
2619	data => WF_AUTOCANCEL,	3671	sub _log_backtrace {
2620	after => 1,	3672	my ($msg, @addr) = @_;
2621	interval => 10,	3673
2622	prio => 6, # keep it lowest so it acts like a watchdog	3674	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3675
2624	write_runtime	3676	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3677	if ($_log_backtrace < 2) {
		3678	++$_log_backtrace;
		3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
		3682	my @bt = fork_call {
		3683	@addr = map { sprintf "%x", $_ } @addr;
		3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3686	or die "addr2line: $!";
		3687
		3688	my @funcs;
		3689	my @res = <$fh>;
		3690	chomp for @res;
		3691	while (@res) {
		3692	my ($func, $line) = splice @res, 0, 2, ();
		3693	push @funcs, "[$func] $line";
		3694	}
		3695
		3696	@funcs
		3697	};
		3698
		3699	LOG llevInfo, "[ABT] $msg\n";
		3700	LOG llevInfo, "[ABT] $_\n" for @bt;
		3701	--$_log_backtrace;
		3702	};
		3703	} else {
		3704	LOG llevInfo, "[ABT] $msg\n";
		3705	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3706	}
2627	);	3707	}
		3708
		3709	# load additional modules
		3710	use cf::pod;
2628		3711
2629	END { cf::emergency_save }	3712	END { cf::emergency_save }
2630		3713
2631	1	3714	1
2632		3715

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