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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.384 by root, Fri Oct 12 18:17:16 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
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 | logBacktrace, 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	my $runtime = cf::localdir . "/runtime";
362		488
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
364	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
365		493
366	my $value = $cf::RUNTIME + 90 + 10;	494	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		495
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	496	sub fork_call(&@) {
371	and return;	497	my ($cb, @args) = @_;
372		498
373	# always fsync - this file is important	499	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	500	# otherwise perl prematurely frees the stuff :/
375	and return;	501	# TODO: investigate and fix (likely this will be rather laborious)
376		502
377	close $fh	503	my @res = Coro::Util::fork_eval {
378	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
379		507
380	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
381	and return;	509	}
382		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
383	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 });
384	}	647	}
385		648
386	=back	649	=back
387		650
388	=cut	651	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
397		660
398	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>
399	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
400	crossfire+).	663	Crossfire TRT).
401		664
402	=over 4	665	=over 4
403		666
404	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
405		668
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
569		832
570	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		837
575	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	839	my $pkg = shift @arg;
577		840
578	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
608	}	871	}
609		872
610	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
611	} else {	874	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	876	}
614		877
615	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
616	}	879	}
617		880
…		…
619	if (ref $_[0]) {	882	if (ref $_[0]) {
620	_object_attach @_;	883	_object_attach @_;
621	} else {	884	} else {
622	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
623	}	886	}
		887	_recalc_want;
624	};	888	};
625		889
626	# all those should be optimised	890	# all those should be optimised
627	sub cf::attachable::detach {	891	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
632	reattach ($obj);	896	reattach ($obj);
633	} else {	897	} else {
634	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
635	}	899	}
		900	_recalc_want;
636	};	901	};
637		902
638	sub cf::attachable::attached {	903	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
640		905
…		…
655	";	920	";
656	die if $@;	921	die if $@;
657	}	922	}
658		923
659	our $override;	924	our $override;
660	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?
661		926
662	sub override {	927	sub override {
663	$override = 1;	928	$override = 1;
664	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
665	}	930	}
666		931
667	sub do_invoke {	932	sub do_invoke {
668	my $event = shift;	933	my $event = shift;
669	my $callbacks = shift;	934	my $callbacks = shift;
670		935
671	@invoke_results = ();	936	@INVOKE_RESULTS = ();
672		937
673	local $override;	938	local $override;
674		939
675	for (@$callbacks) {	940	for (@$callbacks) {
676	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
693		958
694	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
695		960
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		964
700	=back	965	=back
701		966
702	=cut	967	=cut
703		968
704	#############################################################################	969	#############################################################################
705	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
706		982
707	sub reattach {	983	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	985	my ($obj) = @_;
710		986
…		…
757	sub object_freezer_save {	1033	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
759		1035
760	sync_job {	1036	sync_job {
761	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
764		1041
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1046	close $fh;
770		1047
771	if (@$objs) {	1048	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1054	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
779	}	1056	}
…		…
787	}	1064	}
788	} else {	1065	} else {
789	aio_unlink $filename;	1066	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
791	}	1068	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1069	};
799	}	1070	}
800		1071
801	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
803		1074
…		…
808		1079
809	sub object_thawer_load {	1080	sub object_thawer_load {
810	my ($filename) = @_;	1081	my ($filename) = @_;
811		1082
812	my ($data, $av);	1083	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1084
817	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
818	or return;	1086	or return;
819		1087
820	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
822	or return;	1090	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };
824	}
825		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
828	return ($data, $av);	1101	($data, $av)
829	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
830		1109
831	#############################################################################	1110	#############################################################################
832	# command handling &c	1111	# command handling &c
833		1112
834	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1127	}
849		1128
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1130
852	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
853		1136
854	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
855	called.	1138	called.
856		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
857	=cut	1151	=cut
858		1152
859	sub register_extcmd {	1153	sub register_extcmd {
860	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
861		1155
862	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
863	}	1163	}
864		1164
865	cf::player->attach (	1165	cf::player->attach (
866	on_command => sub {	1166	on_command => sub {
867	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1176	cf::override;
877	},	1177	},
878	on_extcmd => sub {	1178	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
880		1180
881	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1182
883	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
889	} else {	1198	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1200	}
892		1201
893	cf::override;	1202	cf::override;
894	},	1203	},
895	);	1204	);
896		1205
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
932	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1211	next unless -r $path;
934	eval {	1212
935	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
936	1	1270	}
937	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
938	}	1276	};
939	}	1277	}
940		1278
941	#############################################################################	1279	#############################################################################
942		1280
		1281	=back
		1282
943	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
944		1284
945	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
946		1286
947	=cut	1287	=cut
…		…
952		1292
953	=head3 cf::player	1293	=head3 cf::player
954		1294
955	=over 4	1295	=over 4
956		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
957	=item cf::player::find $login	1311	=item cf::player::find $login
958		1312
959	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
960		1314
961	=cut	1315	=cut
962		1316
963	sub playerdir($) {	1317	sub playerdir($) {
964	cf::localdir	1318	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1320	}
970		1321
971	sub path($) {	1322	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1324
974	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
975	}	1326	}
976		1327
977	sub find_active($) {	1328	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1343	my $login = $_[0];
993		1344
994	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
995		1346
996	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
998	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1000	}	1363	}
1001	}	1364	}
1002	}	1365	}
1003		1366
…		…
1013		1376
1014	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1016		1379
1017	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1018	Coro::cede;	1381	cf::cede_to_tick;
1019	}	1382	}
1020		1383
1021	sub new($) {	1384	sub new($) {
1022	my ($login) = @_;	1385	my ($login) = @_;
1023		1386
…		…
1029	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1030		1393
1031	$self	1394	$self
1032	}	1395	}
1033		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1034	=item $pl->quit_character	1407	=item $pl->quit_character
1035		1408
1036	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1038		1411
1039	=cut	1412	=cut
1040		1413
1041	sub quit_character {	1414	sub quit_character {
1042	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1043		1418
1044	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1421
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1057	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1058	}	1453	}
1059		1454
1060	=item cf::player::list_logins	1455	=item cf::player::list_logins
1061		1456
1062	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1064		1459
1065	=cut	1460	=cut
1066		1461
1067	sub list_logins {	1462	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1464	or return [];
1070		1465
1071	my @logins;	1466	my @logins;
1072		1467
1073	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1077		1477
1078	utf8::decode $login;	1478	utf8::decode $login;
1079	push @logins, $login;	1479	push @logins, $login;
1080	}	1480	}
1081		1481
…		…
1108	}	1508	}
1109		1509
1110	\@paths	1510	\@paths
1111	}	1511	}
1112		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1114		1565
1115	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1116		1567
1117	=cut	1568	=cut
1118		1569
1119	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1121		1572
1122	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1574	}
1126		1575
1127	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1128		1616
1129	=back	1617	=back
1130
1131		1618
1132	=head3 cf::map	1619	=head3 cf::map
1133		1620
1134	=over 4	1621	=over 4
1135		1622
…		…
1190	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1191		1678
1192	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1193	local $self->{path};	1680	local $self->{path};
1194	local $self->{load_path};	1681	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1682
1198	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1199	}	1684	}
1200		1685
1201	sub normalise {	1686	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1249	return $self;	1734	return $self;
1250	}	1735	}
1251	}	1736	}
1252		1737
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1739	()
1255	}	1740	}
1256		1741
1257	sub init {	1742	sub init {
1258	my ($self) = @_;	1743	my ($self) = @_;
…		…
1273		1758
1274	# the original (read-only) location	1759	# the original (read-only) location
1275	sub load_path {	1760	sub load_path {
1276	my ($self) = @_;	1761	my ($self) = @_;
1277		1762
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1279	}	1764	}
1280		1765
1281	# the temporary/swap location	1766	# the temporary/swap location
1282	sub save_path {	1767	sub save_path {
1283	my ($self) = @_;	1768	my ($self) = @_;
1284		1769
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1287	}	1772	}
1288		1773
1289	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1290	sub uniq_path {	1775	sub uniq_path {
1291	my ($self) = @_;	1776	my ($self) = @_;
1292		1777
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1295	}	1780	}
1296		1781
1297	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1298	# all maps in C++...	1783	# all maps in C++...
1299	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1301		1786
1302	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1304	}	1789	}
1305		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1306	sub unlink_save {	1799	sub unlink_save {
1307	my ($self) = @_;	1800	my ($self) = @_;
1308		1801
1309	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1805	}
1318		1806
1319	sub load_header_from($) {	1807	sub load_header_from($) {
1320	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1321		1809
1322	utf8::encode $path;	1810	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1328		1819
1329	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1330		1821
1331	1	1822	1
1332	}	1823	}
…		…
1371	$self->load_header_orig	1862	$self->load_header_orig
1372	or return;	1863	or return;
1373	$self->prepare_orig;	1864	$self->prepare_orig;
1374	}	1865	}
1375		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1376	1	1873	1
1377	}	1874	}
1378		1875
1379	sub find;	1876	sub find;
1380	sub find {	1877	sub find {
1381	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1382		1879
1383	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1384		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1386		1884
1387	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1389	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1390	or return;	1890	or return;
1391		1891
1392	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1393		1893
1394	$map->load_header	1894	$map->load_header
1395	or return;	1895	or return;
1396		1896
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1400	$map->reset;	1902	$map->reset;
1401	undef $guard;
1402	return find $path;	1903	return find $path;
1403	}	1904	}
1404		1905
1405	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1406	}	1907	}
…		…
1413	my ($self) = @_;	1914	my ($self) = @_;
1414		1915
1415	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1416		1917
1417	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1419		1922
		1923	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1925
1422	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1423		1927
1424	$self->alloc;	1928	$self->alloc;
1425		1929
1426	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1427		1932
1428	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1429	or return;	1936	or return;
1430		1937
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1939	if delete $self->{load_original};
1433		1940
1434	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1942	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1945	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1439	}	1949	}
1440	}	1950	}
1441		1951
1442	Coro::cede;	1952	$f->resolve_delayed_derefs;
1443		1953
		1954	cf::cede_to_tick;
1444	# now do the right thing for maps	1955	# now do the right thing for maps
1445	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1958	unless $self->difficulty;
1455	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1456	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1975	}
1458		1976
1459	$self->post_load;	1977	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1978	}
1463		1979
1464	sub customise_for {	1980	sub customise_for {
1465	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1466		1982
1467	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1984	if $self->per_player;
1469		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1470	$self	1989	$self
1471	}	1990	}
1472		1991
1473	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1993	sub load_neighbours {
1475	my ($map) = @_;	1994	my ($map) = @_;
1476		1995
1477	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1478		1997
1479	for (0 .. 3) {	1998	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1481	or next;	2000	or next;
1482	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1483	or next;	2002	or next;
1484	$neigh->load;	2003	$neigh->load;
1485		2004
		2005	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2008	}
1489		2009
1490	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1492	or next;	2013	or next;
1493	$neigh->load;	2014	$neigh->load;
1494	}	2015	}
1495	}	2016	}
1496		2017
…		…
1501	}	2022	}
1502		2023
1503	sub do_load_sync {	2024	sub do_load_sync {
1504	my ($map) = @_;	2025	my ($map) = @_;
1505		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1506	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1507	}	2031	}
1508		2032
1509	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1511		2035
1512	sub find_async {	2036	sub find_async {
1513	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1514		2038
1515	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1516		2040
1517	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2043	}
1520		2044
1521	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1522	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1523	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2052	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2053	$map->load if $v;
		2054	}
1528		2055
1529	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1530	}	2057	}
1531	}	2058	}
1532	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1533	};	2060	};
1534	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2064	}
1538		2065
1539	sub save {	2066	sub save {
1540	my ($self) = @_;	2067	my ($self) = @_;
1541		2068
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2070
1544	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1545		2072
1546	return unless $self->dirty;	2073	return unless $self->dirty;
1547		2074
…		…
1553	return if $self->{deny_save};	2080	return if $self->{deny_save};
1554		2081
1555	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1556		2083
1557	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1559	};	2087	};
1560		2088
1561	if ($uniq) {	2089	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2098	my ($self) = @_;
1571		2099
1572	# save first because save cedes	2100	# save first because save cedes
1573	$self->save;	2101	$self->save;
1574		2102
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2104
1577	return if $self->players;	2105	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2107	return if $self->{deny_save};
1580		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2113	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2114	}
1584		2115
1585	sub reset_at {	2116	sub reset_at {
1586	my ($self) = @_;	2117	my ($self) = @_;
1587		2118
1588	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1591		2121
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2124
…		…
1605	my ($self) = @_;	2135	my ($self) = @_;
1606		2136
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2138
1609	return if $self->players;	2139	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2140
1612	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	# need to save uniques path
		2146	unless ($self->{deny_save}) {
		2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2148
		2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2150	if $uniq;
		2151	}
1613		2152
1614	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1615		2154
1616	$self->in_memory (cf::MAP_SWAPPED);	2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2157	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2158
1621	$self->unlink_save;	2159	$self->unlink_save;
1622	$self->destroy;	2160	$self->destroy;
1623	}	2161	}
1624		2162
1625	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1626		2164
1627	sub nuke {	2165	sub nuke {
1628	my ($self) = @_;	2166	my ($self) = @_;
1629		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1630	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1631		2172
1632	$self->unlink_save;	2173	$self->unlink_save;
1633		2174
1634	bless $self, "cf::map";	2175	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2180
1640	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1641		2183
1642	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1643	}	2221	}
1644		2222
1645	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1646		2224
1647	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2226	instantiated unique items. May block.
1649		2227
1650	=cut	2228	=cut
1651		2229
1652	sub unique_maps() {	2230	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1654	or return;	2232	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2233	utf8::decode $_;
1660	next if /\.pst$/;	2234	/\.map$/
1661	next unless /^$PATH_SEP/o;	2235	? normalise $_
1662		2236	: ()
1663	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2238	]
1665
1666	\@paths
1667	}	2239	}
1668		2240
1669	package cf;	2241	package cf;
1670		2242
1671	=back	2243	=back
…		…
1689	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1690	}	2262	}
1691		2263
1692	sub inv_recursive {	2264	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1694	}	2294	}
1695		2295
1696	package cf;	2296	package cf;
1697		2297
1698	=back	2298	=back
…		…
1717		2317
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2319
1720	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1722	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1725	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1726	}	2345	}
1727		2346
1728	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1729		2348
1730	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1777	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1778		2397
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2399
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1783		2402
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2404	}
1786		2405
1787	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1789		2410
1790	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1791		2412
1792	unless ($map) {	2413	unless ($map) {
1793	# restore original map position	2414	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1810		2431
1811	$map->load;	2432	$map->load;
1812	$map->load_diag;	2433	$map->load_neighbours;
1813		2434
1814	return unless $self->contr->active;	2435	return unless $self->contr->active;
1815	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1817	}	2440	}
1818		2441
1819	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2443
1823	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1827	};	2448	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2449
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1854		2453
1855	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2459
1858	$self->enter_link;	2460	$self->enter_link;
1859		2461
1860	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1861	my $map = eval {	2484	my $map = eval {
1862	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1864	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2500	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1869	})->prio (1);	2508	})->prio (1);
1870	}	2509	}
1871		2510
1872	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1873		2512
…		…
1912		2551
1913	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1914		2553
1915	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2556	my $meta = "$RANDOMDIR/$md5.meta";
1918		2557
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2560	undef $fh;
1922	aio_rename "$meta~", $meta;	2561	aio_rename "$meta~", $meta;
…		…
1931		2570
1932	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1933		2572
1934	if ($exit->slaying eq "/!") {	2573	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2577	cf::sync_job { prepare_random_map $exit };
1937	}	2578	}
1938		2579
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
1942		2583
1943	$self->enter_link;	2584	$self->enter_link;
1944		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1945	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1946	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2594	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
1949		2596
1950	1;	2597	1;
1951	}) {	2598	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2603
1957	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2605	$self->leave_link;
1959	}	2606	}
1960	})->prio (1);	2607	})->prio (1);
…		…
1973		2620
1974	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1976		2623
1977	utf8::encode $text;	2624	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2626	}
1980		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
1981		2755
1982	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
1983		2757
1984	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2761
1988	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2763	become reliable at some point in the future.
1990		2764
1991	=cut	2765	=cut
1992		2766
1993	sub cf::client::query {	2767	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2776	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2778
2005	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2007	}	2783	}
2008		2784
2009	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2010	on_reply => sub {	2791	on_reply => sub {
2011	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2012		2793
2013	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2014	# get handled first	2795	# get handled first
…		…
2026	} else {	2807	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2809	}
2029	}	2810	}
2030	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2031	);	2838	);
2032		2839
2033	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2034		2841
2035	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2078		2885
2079	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2080		2887
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2082		2893
2083	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2084		2895
2085	=pod	2896	=pod
2086		2897
2087	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2088		2899
2089	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add destroy
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2090	cf::object::player player	2904	cf::object::player
2091	cf::player peaceful	2905	player
2092	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2093		2912
2094	=cut	2913	=cut
2095		2914
2096	for (	2915	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr destroy)],
2098	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2101	) {	2922	) {
2102	no strict 'refs';	2923	no strict 'refs';
…		…
2173	=back	2994	=back
2174		2995
2175	=cut	2996	=cut
2176		2997
2177	#############################################################################	2998	#############################################################################
		2999	# the server's init and main functions
2178		3000
2179	=head2 EXTENSION DATABASE SUPPORT	3001	sub load_facedata($) {
		3002	my ($path) = @_;
2180		3003
2181	Crossfire maintains a very simple database for extension use. It can	3004	# HACK to clear player env face cache, we need some signal framework
2182	currently store anything that can be serialised using Storable, which	3005	# for this (global event?)
2183	excludes objects.	3006	%ext::player_env::MUSIC_FACE_CACHE = ();
2184		3007
2185	The parameter C<$family> should best start with the name of the extension	3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2186	using it, it should be unique.
2187		3009
2188	=over 4	3010	warn "loading facedata from $path\n";
2189		3011
2190	=item $value = cf::db_get $family => $key	3012	my $facedata;
		3013	0 < aio_load $path, $facedata
		3014	or die "$path: $!";
2191		3015
2192	Returns a single value from the database.	3016	$facedata = Coro::Storable::thaw $facedata;
2193		3017
2194	=item cf::db_put $family => $key => $value	3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2195		3020
2196	Stores the given C<$value> in the family.	3021	# patch in the exptable
2197		3022	$facedata->{resource}{"res/exp_table"} = {
2198	=cut	3023	type => FT_RSRC,
2199		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};	3025	};
		3026	cf::cede_to_tick;
2215		3027
2216	my $path = cf::localdir . "/database.pst";	3028	{
2217	if (stat $path) {	3029	my $faces = $facedata->{faceinfo};
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220		3030
2221	cf::db_put (board => data => $pst->{board});	3031	while (my ($face, $info) = each %$faces) {
2222	cf::db_put (guildrules => data => $pst->{guildrules});	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});	3033	cf::face::set_visibility $idx, $info->{visibility};
2224	BDB::db_env_txn_checkpoint $DB_ENV;	3034	cf::face::set_magicmap $idx, $info->{magicmap};
		3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2225		3037
2226	unlink $path;	3038	cf::cede_to_tick;
2227	};	3039	}
		3040
		3041	while (my ($face, $info) = each %$faces) {
		3042	next unless $info->{smooth};
		3043	my $idx = cf::face::find $face
		3044	or next;
		3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3048	} else {
		3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3050	}
		3051
		3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
2228	}	3056	{
2229	}	3057	my $anims = $facedata->{animinfo};
2230		3058
2231	sub db_get($$) {	3059	while (my ($anim, $info) = each %$anims) {
2232	my $key = "$_[0]/$_[1]";	3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
2233		3063
2234	cf::sync_job {	3064	cf::anim::invalidate_all; # d'oh
2235	BDB::db_get $DB, undef, $key, my $data;	3065	}
2236		3066
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}	3067	{
2240	}	3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
2241		3071
2242	sub db_put($$$) {	3072	my $soundconf = delete $res->{"res/sound.conf"};
2243	BDB::dbreq_pri 4;
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2245	}
2246		3073
2247	#############################################################################	3074	while (my ($name, $info) = each %$res) {
2248	# the server's init and main functions	3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
2249		3077
2250	sub load_resources {	3078	if ($info->{type} & 1) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
		3116	1
		3117	}
		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	3133	or die "unable to load regions file\n";
2253	}
2254		3134
2255	sub cfg_load {	3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
		3161	sub reload_resources {
		3162	warn "reloading resource files...\n";
		3163
		3164	reload_regions;
		3165	reload_facedata;
		3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
		3171	}
		3172
		3173	sub init {
		3174	reload_resources;
		3175	}
		3176
		3177	sub reload_config {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	3179	or return;
2258		3180
2259	local $/;	3181	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2261		3183
…		…
2271	};	3193	};
2272	warn $@ if $@;	3194	warn $@ if $@;
2273	}	3195	}
2274	}	3196	}
2275		3197
2276	sub init {
2277	load_resources;
2278	}
2279
2280	sub main {	3198	sub main {
2281	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2284	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2285	Event::one_event;	3204	Event::one_event;
2286	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2287	};	3206	};
2288		3207
2289	cfg_load;	3208	reload_config;
		3209	db_init;
2290	load_extensions;	3210	load_extensions;
2291		3211
2292	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2293	Event::loop;	3213	Event::loop;
2294	}	3214	}
…		…
2309	},	3229	},
2310	);	3230	);
2311	}	3231	}
2312	}	3232	}
2313		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2314	sub emergency_save() {	3272	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2316		3274
2317	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2318		3276
…		…
2322	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3286	$pl->save;
2328	}	3287	}
2329	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2330		3289
2331	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2342	};	3301	};
2343		3302
2344	warn "leave emergency perl save\n";	3303	warn "leave emergency perl save\n";
2345	}	3304	}
2346		3305
		3306	sub post_cleanup {
		3307	my ($make_core) = @_;
		3308
		3309	warn Carp::longmess "post_cleanup backtrace"
		3310	if $make_core;
		3311	}
		3312
2347	sub reload() {	3313	sub do_reload_perl() {
2348	# can/must only be called in main	3314	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	3315	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	3316	warn "can only reload from main coroutine";
2351	return;	3317	return;
2352	}	3318	}
2353		3319
2354	warn "reloading...";	3320	warn "reloading...";
2355		3321
2356	warn "cancelling server ticker";	3322	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		3323
		3324	cf::sync_job {
		3325	cf::write_runtime; # external watchdog should not bark
2359	cf::emergency_save;	3326	cf::emergency_save;
		3327	cf::write_runtime; # external watchdog should not bark
2360		3328
2361	eval {	3329	warn "syncing database to disk";
		3330	BDB::db_env_txn_checkpoint $DB_ENV;
		3331
2362	# if anything goes wrong in here, we should simply crash as we already saved	3332	# if anything goes wrong in here, we should simply crash as we already saved
2363		3333
2364	warn "cancelling all WF_AUTOCANCEL watchers";	3334	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {	3335	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;	3336	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}	3337	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371		3338
2372	warn "flushing outstanding aio requests";	3339	warn "flushing outstanding aio requests";
2373	for (;;) {	3340	for (;;) {
2374	BDB::flush;	3341	BDB::flush;
2375	IO::AIO::flush;	3342	IO::AIO::flush;
2376	Coro::cede;	3343	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3344	last unless IO::AIO::nreqs || BDB::nreqs;
2378	warn "iterate...";	3345	warn "iterate...";
2379	}	3346	}
2380		3347
		3348	++$RELOAD;
		3349
2381	warn "cancelling all extension coros";	3350	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;	3351	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();	3352	%EXT_CORO = ();
2384		3353
2385	warn "removing commands";	3354	warn "removing commands";
2386	%COMMAND = ();	3355	%COMMAND = ();
2387		3356
2388	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2389	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2390		3360
2391	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2394		3364
…		…
2424	Symbol::delete_package "safe::$_"	3394	Symbol::delete_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		3396
2427	warn "unloading cf.pm \"a bit\"";	3397	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3398	delete $INC{"cf.pm"};
		3399	delete $INC{"cf/pod.pm"};
2429		3400
2430	# don't, removes xs symbols, too,	3401	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3402	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3403	#Symbol::delete_package __PACKAGE__;
2433		3404
…		…
2436	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2437	require cf;	3408	require cf;
2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2439		3410
2440	warn "loading config and database again";	3411	warn "loading config and database again";
2441	cf::cfg_load;	3412	cf::reload_config;
2442		3413
2443	warn "loading extensions";	3414	warn "loading extensions";
2444	cf::load_extensions;	3415	cf::load_extensions;
2445		3416
2446	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3418	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3419	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3420	reattach $_ for values %MAP;
		3421	warn "reattaching attachments to players";
		3422	reattach $_ for values %PLAYER;
2450		3423
2451	warn "loading reloadable resources";	3424	warn "leaving sync_job";
2452	load_resources;
2453		3425
2454	warn "restarting server ticker";	3426	1
2455		3427	} or do {
2456	$TICK_WATCHER->start;
2457	};
2458
2459	if ($@) {
2460	warn $@;	3428	warn $@;
2461	warn "error while reloading, exiting.";	3429	warn "error while reloading, exiting.";
2462	exit 1;	3430	exit 1;
2463	}	3431	};
2464		3432
2465	warn "reloaded";	3433	warn "reloaded";
2466	};	3434	};
2467		3435
2468	our $RELOAD_WATCHER; # used only during reload	3436	our $RELOAD_WATCHER; # used only during reload
2469		3437
		3438	sub reload_perl() {
		3439	# doing reload synchronously and two reloads happen back-to-back,
		3440	# coro crashes during coro_state_free->destroy here.
		3441
		3442	$RELOAD_WATCHER ||= Event->timer (
		3443	reentrant => 0,
		3444	after => 0,
		3445	data => WF_AUTOCANCEL,
		3446	cb => sub {
		3447	do_reload_perl;
		3448	undef $RELOAD_WATCHER;
		3449	},
		3450	);
		3451	}
		3452
2470	register_command "reload" => sub {	3453	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2472		3455
2473	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
2475		3458	async {
2476	# doing reload synchronously and two reloads happen back-to-back,	3459	$Coro::current->{desc} = "perl_reload";
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;	3460	reload_perl;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);	3461	};
2488	}	3462	}
2489	};	3463	};
2490		3464
2491	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2492		3466
2493	my $bug_warning = 0;	3467	my $bug_warning = 0;
		3468
		3469	our @WAIT_FOR_TICK;
		3470	our @WAIT_FOR_TICK_BEGIN;
		3471
		3472	sub wait_for_tick {
		3473	return unless $TICK_WATCHER->is_active;
		3474	return if $Coro::current == $Coro::main;
		3475
		3476	my $signal = new Coro::Signal;
		3477	push @WAIT_FOR_TICK, $signal;
		3478	$signal->wait;
		3479	}
		3480
		3481	sub wait_for_tick_begin {
		3482	return unless $TICK_WATCHER->is_active;
		3483	return if $Coro::current == $Coro::main;
		3484
		3485	my $signal = new Coro::Signal;
		3486	push @WAIT_FOR_TICK_BEGIN, $signal;
		3487	$signal->wait;
		3488	}
2494		3489
2495	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2496	reentrant => 0,	3491	reentrant => 0,
2497	parked => 1,	3492	parked => 1,
2498	prio => 0,	3493	prio => 0,
…		…
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3499	unless ++$bug_warning > 10;
2505	return;	3500	return;
2506	}	3501	}
2507		3502
2508	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2509		3504
2510	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
		3506
2511	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2513		3509
2514	$WAIT_FOR_TICK->broadcast;	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2516		3512	Coro::async_pool {
2517	Event::sweep;	3513	$Coro::current->{desc} = "runtime saver";
2518	Coro::cede_notself;	3514	write_runtime
		3515	or warn "ERROR: unable to write runtime file: $!";
		3516	};
2519		3517	}
2520	# my $AFTER = Event::time;	3518
2521	# warn $AFTER - $NOW;#d#	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
		3525
		3526	$NOW = Event::time;
2522		3527
2523	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2525		3530
2526	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
		3533
		3534	$LOAD = ($NOW - $tick_start) / $TICK;
		3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3536
		3537	_post_tick;
2528	},	3538	},
2529	);	3539	);
2530		3540
2531	{	3541	{
		3542	BDB::min_parallel 8;
2532	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2533	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2534	reentrant => 0,	3545	reentrant => 0,
2535	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2536	poll => 'r',	3547	poll => 'r',
2537	prio => 0,	3548	prio => 0,
2538	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2539	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2540	);	3551	);
2541	BDB::min_parallel 8;
2542		3552
2543	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2544	my $status;	3554	my $status;
2545	my $current = $Coro::current;	3555	my $current = $Coro::current;
2546	(	3556	(
…		…
2555	)	3565	)
2556	};	3566	};
2557		3567
2558	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2559	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2560		3574
2561	cf::sync_job {	3575	cf::sync_job {
2562	eval {	3576	eval {
2563	BDB::db_env_open	3577	BDB::db_env_open
2564	$DB_ENV,	3578	$DB_ENV,
2565	$BDB_ENV_DIR,	3579	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3582	0666;
2569		3583
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;
2574	};	3585	};
2575		3586
2576	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2577	};	3588	};
2578	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2579	}	3621	}
2580		3622
2581	{	3623	{
2582	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2583		3625
2584	undef $Coro::AIO::WATCHER;	3626	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3627	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2587	reentrant => 0,	3629	reentrant => 0,
		3630	data => WF_AUTOCANCEL,
2588	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2589	poll => 'r',	3632	poll => 'r',
2590	prio => 6,	3633	prio => 0,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2593	);	3635	);
2594	}	3636	}
2595		3637
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3638	my $_log_backtrace;
2597	reentrant => 0,	3639
2598	data => WF_AUTOCANCEL,	3640	sub _log_backtrace {
2599	after => 1,	3641	my ($msg, @addr) = @_;
2600	interval => 10,	3642
2601	prio => 6, # keep it lowest so it acts like a watchdog	3643	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3644
2603	write_runtime	3645	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
		3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3675	}
2606	);	3676	}
		3677
		3678	# load additional modules
		3679	use cf::pod;
2607		3680
2608	END { cf::emergency_save }	3681	END { cf::emergency_save }
2609		3682
2610	1	3683	1
2611		3684

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