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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.380 by root, Mon Oct 8 13:58:07 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written	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	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
271	}	329	}
272		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
…		…
278	};	336	};
279	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
280	$guard	338	$guard
281	}	339	}
282		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;
		397	}
		398
283	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
284		400
285	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
290		406
291	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
292		408
293	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
294		410
295	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)
296	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
297	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.
298		415
299	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
300	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
301	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
302	fast or be very important.	419	fast or be very important.
…		…
305		422
306	sub sync_job(&) {	423	sub sync_job(&) {
307	my ($job) = @_;	424	my ($job) = @_;
308		425
309	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
310	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
312		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
313	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	435	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
316		437
317	my $busy = 1;	438	my $busy = 1;
318	my @res;	439	my @res;
319		440
320	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	443	@res = eval { $job->() };
322	warn $@ if $@;	444	warn $@ if $@;
323	undef $busy;	445	undef $busy;
324	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
325		447
326	while ($busy) {	448	while ($busy) {
327	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
328	}	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
329		458
330	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
331	} else {	460	} else {
332	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
333		462
…		…
353	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
354		483
355	$coro	484	$coro
356	}	485	}
357		486
358	sub write_runtime {	487	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		488
361	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
362		493
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
364	or return;
365		495
366	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		498
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
371	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
372		502
373	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	504	reset_signals;
375	and return;	505	&$cb
		506	}, @args;
376		507
377	close $fh	508	wantarray ? @res : $res[-1]
378	or return;	509	}
379		510
380	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
381	and return;
382		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::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	}	1069	};
793	}	1070	}
794		1071
795	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
797		1074
…		…
809	or return;	1086	or return;
810		1087
811	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
813	or return;	1090	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };
815	}
816		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);
817	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
819	return ($data, $av);	1101	($data, $av)
820	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
821		1109
822	#############################################################################	1110	#############################################################################
823	# command handling &c	1111	# command handling &c
824		1112
825	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1127	}
840		1128
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1130
843	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.
844		1136
845	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
846	called.	1138	called.
847		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
848	=cut	1151	=cut
849		1152
850	sub register_extcmd {	1153	sub register_extcmd {
851	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
852		1155
853	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
854	}	1163	}
855		1164
856	cf::player->attach (	1165	cf::player->attach (
857	on_command => sub {	1166	on_command => sub {
858	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1176	cf::override;
868	},	1177	},
869	on_extcmd => sub {	1178	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
871		1180
872	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1182
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
880	} else {	1198	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1200	}
883		1201
884	cf::override;	1202	cf::override;
885	},	1203	},
886	);	1204	);
887		1205
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
923	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1211	next unless -r $path;
925	eval {	1212
926	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;
927	1	1270	}
928	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
929	}	1276	};
930	}	1277	}
931		1278
932	#############################################################################	1279	#############################################################################
933		1280
		1281	=back
		1282
934	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
935		1284
936	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
937		1286
938	=cut	1287	=cut
…		…
943		1292
944	=head3 cf::player	1293	=head3 cf::player
945		1294
946	=over 4	1295	=over 4
947		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
948	=item cf::player::find $login	1311	=item cf::player::find $login
949		1312
950	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
951		1314
952	=cut	1315	=cut
953		1316
954	sub playerdir($) {	1317	sub playerdir($) {
955	cf::localdir	1318	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1320	}
961		1321
962	sub path($) {	1322	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1324
965	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
966	}	1326	}
967		1327
968	sub find_active($) {	1328	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1343	my $login = $_[0];
984		1344
985	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
986		1346
987	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
988	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
989	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;
990	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
991	}	1363	}
992	}	1364	}
993	}	1365	}
994		1366
…		…
1004		1376
1005	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1007		1379
1008	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1009	Coro::cede;	1381	cf::cede_to_tick;
1010	}	1382	}
1011		1383
1012	sub new($) {	1384	sub new($) {
1013	my ($login) = @_;	1385	my ($login) = @_;
1014		1386
…		…
1020	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1021		1393
1022	$self	1394	$self
1023	}	1395	}
1024		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
1025	=item $pl->quit_character	1407	=item $pl->quit_character
1026		1408
1027	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
1028	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1029		1411
1030	=cut	1412	=cut
1031		1413
1032	sub quit_character {	1414	sub quit_character {
1033	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1034		1418
1035	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1036	$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
1037		1421
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1453	}
1050		1454
1051	=item cf::player::list_logins	1455	=item cf::player::list_logins
1052		1456
1053	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
1054	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1055		1459
1056	=cut	1460	=cut
1057		1461
1058	sub list_logins {	1462	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1464	or return [];
1061		1465
1062	my @logins;	1466	my @logins;
1063		1467
1064	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") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1068		1477
1069	utf8::decode $login;	1478	utf8::decode $login;
1070	push @logins, $login;	1479	push @logins, $login;
1071	}	1480	}
1072		1481
…		…
1099	}	1508	}
1100		1509
1101	\@paths	1510	\@paths
1102	}	1511	}
1103		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
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1105		1565
1106	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1107		1567
1108	=cut	1568	=cut
1109		1569
1110	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1112		1572
1113	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1574	}
1117		1575
1118	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	$match
		1615	}
1119		1616
1120	=back	1617	=back
1121
1122		1618
1123	=head3 cf::map	1619	=head3 cf::map
1124		1620
1125	=over 4	1621	=over 4
1126		1622
…		…
1181	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1182		1678
1183	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1184	local $self->{path};	1680	local $self->{path};
1185	local $self->{load_path};	1681	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1682
1189	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1190	}	1684	}
1191		1685
1192	sub normalise {	1686	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1240	return $self;	1734	return $self;
1241	}	1735	}
1242	}	1736	}
1243		1737
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1739	()
1246	}	1740	}
1247		1741
1248	sub init {	1742	sub init {
1249	my ($self) = @_;	1743	my ($self) = @_;
…		…
1264		1758
1265	# the original (read-only) location	1759	# the original (read-only) location
1266	sub load_path {	1760	sub load_path {
1267	my ($self) = @_;	1761	my ($self) = @_;
1268		1762
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1270	}	1764	}
1271		1765
1272	# the temporary/swap location	1766	# the temporary/swap location
1273	sub save_path {	1767	sub save_path {
1274	my ($self) = @_;	1768	my ($self) = @_;
1275		1769
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1278	}	1772	}
1279		1773
1280	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1281	sub uniq_path {	1775	sub uniq_path {
1282	my ($self) = @_;	1776	my ($self) = @_;
1283		1777
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1286	}	1780	}
1287		1781
1288	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1289	# all maps in C++...	1783	# all maps in C++...
1290	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1292		1786
1293	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1295	}	1789	}
1296		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1297	sub unlink_save {	1799	sub unlink_save {
1298	my ($self) = @_;	1800	my ($self) = @_;
1299		1801
1300	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1304		1806
1305	sub load_header_from($) {	1807	sub load_header_from($) {
1306	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1307		1809
1308	utf8::encode $path;	1810	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	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;
1314		1819
1315	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1316		1821
1317	1	1822	1
1318	}	1823	}
…		…
1357	$self->load_header_orig	1862	$self->load_header_orig
1358	or return;	1863	or return;
1359	$self->prepare_orig;	1864	$self->prepare_orig;
1360	}	1865	}
1361		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 $self->default_region;
		1872
1362	1	1873	1
1363	}	1874	}
1364		1875
1365	sub find;	1876	sub find;
1366	sub find {	1877	sub find {
1367	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1368		1879
1369	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1370		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1372		1884
1373	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1374	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
1375	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1376	or return;	1890	or return;
1377		1891
1378	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1379		1893
1380	$map->load_header	1894	$map->load_header
1381	or return;	1895	or return;
1382		1896
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1386	$map->reset;	1902	$map->reset;
1387	undef $guard;
1388	return find $path;	1903	return find $path;
1389	}	1904	}
1390		1905
1391	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1392	}	1907	}
…		…
1399	my ($self) = @_;	1914	my ($self) = @_;
1400		1915
1401	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1402		1917
1403	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1405		1922
		1923	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		1925
1408	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1409		1927
1410	$self->alloc;	1928	$self->alloc;
1411		1929
1412	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1413		1932
1414	$self->_load_objects ($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)
1415	or return;	1936	or return;
1416		1937
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};	1939	if delete $self->{load_original};
1419		1940
1420	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	1942	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	1945	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1425	}	1949	}
1426	}	1950	}
1427		1951
1428	Coro::cede;	1952	$f->resolve_delayed_derefs;
1429		1953
		1954	cf::cede_to_tick;
1430	# now do the right thing for maps	1955	# now do the right thing for maps
1431	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	1958	unless $self->difficulty;
1441	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1442	$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);
1443	}	1975	}
1444		1976
1445	$self->post_load;	1977	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1978	}
1449		1979
1450	sub customise_for {	1980	sub customise_for {
1451	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1452		1982
1453	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	1984	if $self->per_player;
1455		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1456	$self	1989	$self
1457	}	1990	}
1458		1991
1459	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	1993	sub load_neighbours {
1461	my ($map) = @_;	1994	my ($map) = @_;
1462		1995
1463	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1464		1997
1465	for (0 .. 3) {	1998	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1467	or next;	2000	or next;
1468	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1469	or next;	2002	or next;
1470	$neigh->load;	2003	$neigh->load;
1471		2004
		2005	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2008	}
1475		2009
1476	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1478	or next;	2013	or next;
1479	$neigh->load;	2014	$neigh->load;
1480	}	2015	}
1481	}	2016	}
1482		2017
…		…
1487	}	2022	}
1488		2023
1489	sub do_load_sync {	2024	sub do_load_sync {
1490	my ($map) = @_;	2025	my ($map) = @_;
1491		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1492	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1493	}	2031	}
1494		2032
1495	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1497		2035
1498	sub find_async {	2036	sub find_async {
1499	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1500		2038
1501	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1502		2040
1503	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1505	}	2043	}
1506		2044
1507	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1508	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1509	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2052	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2053	$map->load if $v;
		2054	}
1514		2055
1515	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1516	}	2057	}
1517	}	2058	}
1518	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1519	};	2060	};
1520	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2064	}
1524		2065
1525	sub save {	2066	sub save {
1526	my ($self) = @_;	2067	my ($self) = @_;
1527		2068
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2070
1530	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1531		2072
1532	return unless $self->dirty;	2073	return unless $self->dirty;
1533		2074
…		…
1539	return if $self->{deny_save};	2080	return if $self->{deny_save};
1540		2081
1541	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1542		2083
1543	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1545	};	2087	};
1546		2088
1547	if ($uniq) {	2089	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1556	my ($self) = @_;	2098	my ($self) = @_;
1557		2099
1558	# save first because save cedes	2100	# save first because save cedes
1559	$self->save;	2101	$self->save;
1560		2102
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2104
1563	return if $self->players;	2105	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1565	return if $self->{deny_save};	2107	return if $self->{deny_save};
1566		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2113	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2114	}
1570		2115
1571	sub reset_at {	2116	sub reset_at {
1572	my ($self) = @_;	2117	my ($self) = @_;
1573		2118
1574	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1577		2121
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2124
…		…
1591	my ($self) = @_;	2135	my ($self) = @_;
1592		2136
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2138
1595	return if $self->players;	2139	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2140
1598	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
1599		2142
1600	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1601		2144
1602	# need to save uniques path	2145	# need to save uniques path
1603	unless ($self->{deny_save}) {	2146	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2150	if $uniq;
1608	}	2151	}
1609		2152
1610	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1611		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2157	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2158
1616	$self->unlink_save;	2159	$self->unlink_save;
1617	$self->destroy;	2160	$self->destroy;
1618	}	2161	}
1619		2162
1620	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1621		2164
1622	sub nuke {	2165	sub nuke {
1623	my ($self) = @_;	2166	my ($self) = @_;
1624		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1625	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1626		2172
1627	$self->unlink_save;	2173	$self->unlink_save;
1628		2174
1629	bless $self, "cf::map";	2175	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2180
1635	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1636		2183
1637	$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	]
1638	}	2221	}
1639		2222
1640	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1641		2224
1642	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2226	instantiated unique items. May block.
1644		2227
1645	=cut	2228	=cut
1646		2229
1647	sub unique_maps() {	2230	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1649	or return;	2232	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2233	utf8::decode $_;
1655	next if /\.pst$/;	2234	/\.map$/
1656	next unless /^$PATH_SEP/o;	2235	? normalise $_
1657		2236	: ()
1658	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2238	]
1660
1661	\@paths
1662	}	2239	}
1663		2240
1664	package cf;	2241	package cf;
1665		2242
1666	=back	2243	=back
…		…
1684	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1685	}	2262	}
1686		2263
1687	sub inv_recursive {	2264	sub inv_recursive {
1688	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	}
1689	}	2294	}
1690		2295
1691	package cf;	2296	package cf;
1692		2297
1693	=back	2298	=back
…		…
1712		2317
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2319
1715	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1717	} 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 {
1718	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1720	}	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 (@_);
1721	}	2345	}
1722		2346
1723	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1724		2348
1725	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1772	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1773		2397
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2399
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1778		2402
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2404	}
1781		2405
1782	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1784		2410
1785	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1786		2412
1787	unless ($map) {	2413	unless ($map) {
1788	# restore original map position	2414	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1805		2431
1806	$map->load;	2432	$map->load;
1807	$map->load_diag;	2433	$map->load_neighbours;
1808		2434
1809	return unless $self->contr->active;	2435	return unless $self->contr->active;
1810	$self->activate_recursive;	2436	$self->activate_recursive;
1811		2437
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1814	}	2440	}
1815		2441
1816	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2443
1820	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1824	};	2448	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2449
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1851		2453
1852	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1853	my ($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;
1854		2459
1855	$self->enter_link;	2460	$self->enter_link;
1856		2461
1857	(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
1858	my $map = eval {	2484	my $map = eval {
1859	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2500	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1866	})->prio (1);	2508	})->prio (1);
1867	}	2509	}
1868		2510
1869	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1870		2512
…		…
1909		2551
1910	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1911		2553
1912	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2556	my $meta = "$RANDOMDIR/$md5.meta";
1915		2557
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2560	undef $fh;
1919	aio_rename "$meta~", $meta;	2561	aio_rename "$meta~", $meta;
…		…
1928		2570
1929	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1930		2572
1931	if ($exit->slaying eq "/!") {	2573	if ($exit->slaying eq "/!") {
1932	#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
1933	cf::sync_job { prepare_random_map $exit };	2577	cf::sync_job { prepare_random_map $exit };
1934	}	2578	}
1935		2579
1936	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;
1937	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
1939		2583
1940	$self->enter_link;	2584	$self->enter_link;
1941		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
1942	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1943	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2594	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
1946		2596
1947	1;	2597	1;
1948	}) {	2598	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2603
1954	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2605	$self->leave_link;
1956	}	2606	}
1957	})->prio (1);	2607	})->prio (1);
…		…
1970		2620
1971	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1973		2623
1974	utf8::encode $text;	2624	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2626	}
1977		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	}
1978		2755
1979	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
1980		2757
1981	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
1982	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>,
1983	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>.
1984		2761
1985	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
1986	reliable at some point in the future.	2763	become reliable at some point in the future.
1987		2764
1988	=cut	2765	=cut
1989		2766
1990	sub cf::client::query {	2767	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2776	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2778
2002	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2004	}	2783	}
2005		2784
2006	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2007	on_reply => sub {	2791	on_reply => sub {
2008	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2009		2793
2010	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2011	# get handled first	2795	# get handled first
…		…
2023	} else {	2807	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2809	}
2026	}	2810	}
2027	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($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	},
2028	);	2838	);
2029		2839
2030	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2031		2841
2032	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2075		2885
2076	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2077		2887
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2079		2893
2080	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2081		2895
2082	=pod	2896	=pod
2083		2897
2084	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2085		2899
2086	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2087	cf::object::player player	2904	cf::object::player
2088	cf::player peaceful	2905	player
2089	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2090		2912
2091	=cut	2913	=cut
2092		2914
2093	for (	2915	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2098	) {	2922	) {
2099	no strict 'refs';	2923	no strict 'refs';
…		…
2170	=back	2994	=back
2171		2995
2172	=cut	2996	=cut
2173		2997
2174	#############################################################################	2998	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	2999	# the server's init and main functions
2248		3000
2249	sub init_resources {	3001	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3009
		3010	warn "loading facedata from $path\n";
		3011
		3012	my $facedata;
		3013	0 < aio_load $path, $facedata
		3014	or die "$path: $!";
		3015
		3016	$facedata = Coro::Storable::thaw $facedata;
		3017
		3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
		3028	{
		3029	my $faces = $facedata->{faceinfo};
		3030
		3031	while (my ($face, $info) = each %$faces) {
		3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
		3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3037
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	while (my ($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
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
		3116	1
		3117	}
		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3133	or die "unable to load regions file\n";
2252	}
2253		3134
2254	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 {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3179	or return;
2257		3180
2258	local $/;	3181	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2260		3183
…		…
2270	};	3193	};
2271	warn $@ if $@;	3194	warn $@ if $@;
2272	}	3195	}
2273	}	3196	}
2274		3197
2275	sub init {
2276	init_resources;
2277	}
2278
2279	sub main {	3198	sub main {
2280	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2282	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#
2283	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2284	Event::one_event;	3204	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2286	};	3206	};
2287		3207
2288	cfg_load;	3208	reload_config;
2289	db_init;	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;
…		…
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
…		…
2349		3307
2350	warn Carp::longmess "post_cleanup backtrace"	3308	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3309	if $make_core;
2352	}	3310	}
2353		3311
2354	sub reload() {	3312	sub do_reload_perl() {
2355	# can/must only be called in main	3313	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3314	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3315	warn "can only reload from main coroutine";
2358	return;	3316	return;
2359	}	3317	}
…		…
2384	Coro::cede;	3342	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3343	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	3344	warn "iterate...";
2387	}	3345	}
2388		3346
		3347	++$RELOAD;
		3348
2389	warn "cancelling all extension coros";	3349	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	3350	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	3351	%EXT_CORO = ();
2392		3352
2393	warn "removing commands";	3353	warn "removing commands";
2394	%COMMAND = ();	3354	%COMMAND = ();
2395		3355
2396	warn "removing ext commands";	3356	warn "removing ext/exti commands";
2397	%EXTCMD = ();	3357	%EXTCMD = ();
		3358	%EXTICMD = ();
2398		3359
2399	warn "unloading/nuking all extensions";	3360	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {	3361	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";	3362	warn "... unloading $pkg";
2402		3363
…		…
2432	Symbol::delete_package "safe::$_"	3393	Symbol::delete_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3394	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3395
2435	warn "unloading cf.pm \"a bit\"";	3396	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3397	delete $INC{"cf.pm"};
		3398	delete $INC{"cf/pod.pm"};
2437		3399
2438	# don't, removes xs symbols, too,	3400	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3401	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3402	#Symbol::delete_package __PACKAGE__;
2441		3403
…		…
2444	warn "reloading cf.pm";	3406	warn "reloading cf.pm";
2445	require cf;	3407	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3408	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3409
2448	warn "loading config and database again";	3410	warn "loading config and database again";
2449	cf::cfg_load;	3411	cf::reload_config;
2450		3412
2451	warn "loading extensions";	3413	warn "loading extensions";
2452	cf::load_extensions;	3414	cf::load_extensions;
2453		3415
2454	warn "reattaching attachments to objects/players";	3416	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3417	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3418	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3419	reattach $_ for values %MAP;
2458		3420	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	3421	reattach $_ for values %PLAYER;
2460	init_resources;
2461		3422
2462	warn "leaving sync_job";	3423	warn "leaving sync_job";
2463		3424
2464	1	3425	1
2465	} or do {	3426	} or do {
…		…
2471	warn "reloaded";	3432	warn "reloaded";
2472	};	3433	};
2473		3434
2474	our $RELOAD_WATCHER; # used only during reload	3435	our $RELOAD_WATCHER; # used only during reload
2475		3436
		3437	sub reload_perl() {
		3438	# doing reload synchronously and two reloads happen back-to-back,
		3439	# coro crashes during coro_state_free->destroy here.
		3440
		3441	$RELOAD_WATCHER ||= Event->timer (
		3442	reentrant => 0,
		3443	after => 0,
		3444	data => WF_AUTOCANCEL,
		3445	cb => sub {
		3446	do_reload_perl;
		3447	undef $RELOAD_WATCHER;
		3448	},
		3449	);
		3450	}
		3451
2476	register_command "reload" => sub {	3452	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3453	my ($who, $arg) = @_;
2478		3454
2479	if ($who->flag (FLAG_WIZ)) {	3455	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3456	$who->message ("reloading server.");
2481		3457	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3458	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	3459	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3460	};
2494	}	3461	}
2495	};	3462	};
2496		3463
2497	unshift @INC, $LIBDIR;	3464	unshift @INC, $LIBDIR;
2498		3465
2499	my $bug_warning = 0;	3466	my $bug_warning = 0;
		3467
		3468	our @WAIT_FOR_TICK;
		3469	our @WAIT_FOR_TICK_BEGIN;
		3470
		3471	sub wait_for_tick {
		3472	return unless $TICK_WATCHER->is_active;
		3473	return if $Coro::current == $Coro::main;
		3474
		3475	my $signal = new Coro::Signal;
		3476	push @WAIT_FOR_TICK, $signal;
		3477	$signal->wait;
		3478	}
		3479
		3480	sub wait_for_tick_begin {
		3481	return unless $TICK_WATCHER->is_active;
		3482	return if $Coro::current == $Coro::main;
		3483
		3484	my $signal = new Coro::Signal;
		3485	push @WAIT_FOR_TICK_BEGIN, $signal;
		3486	$signal->wait;
		3487	}
2500		3488
2501	$TICK_WATCHER = Event->timer (	3489	$TICK_WATCHER = Event->timer (
2502	reentrant => 0,	3490	reentrant => 0,
2503	parked => 1,	3491	parked => 1,
2504	prio => 0,	3492	prio => 0,
…		…
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3497	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3498	unless ++$bug_warning > 10;
2511	return;	3499	return;
2512	}	3500	}
2513		3501
2514	$NOW = Event::time;	3502	$NOW = $tick_start = Event::time;
2515		3503
2516	cf::server_tick; # one server iteration	3504	cf::server_tick; # one server iteration
		3505
2517	$RUNTIME += $TICK;	3506	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;	3507	$NEXT_TICK += $TICK;
2519		3508
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3509	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3510	$NEXT_RUNTIME_WRITE = $NOW + 10;
2522	Coro::async_pool {	3511	Coro::async_pool {
		3512	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3513	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	3514	or warn "ERROR: unable to write runtime file: $!";
2525	};	3515	};
2526	}	3516	}
2527		3517
2528	$WAIT_FOR_TICK->broadcast;	3518	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3519	$sig->send;
		3520	}
		3521	while (my $sig = shift @WAIT_FOR_TICK) {
		3522	$sig->send;
		3523	}
2530		3524
2531	# my $AFTER = Event::time;	3525	$NOW = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533		3526
2534	# if we are delayed by four ticks or more, skip them all	3527	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3528	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3529
2537	$TICK_WATCHER->at ($NEXT_TICK);	3530	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	3531	$TICK_WATCHER->start;
		3532
		3533	$LOAD = ($NOW - $tick_start) / $TICK;
		3534	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3535
		3536	_post_tick;
2539	},	3537	},
2540	);	3538	);
2541		3539
2542	{	3540	{
		3541	BDB::min_parallel 8;
2543	BDB::max_poll_time $TICK * 0.1;	3542	BDB::max_poll_time $TICK * 0.1;
2544	$BDB_POLL_WATCHER = Event->io (	3543	$BDB_POLL_WATCHER = Event->io (
2545	reentrant => 0,	3544	reentrant => 0,
2546	fd => BDB::poll_fileno,	3545	fd => BDB::poll_fileno,
2547	poll => 'r',	3546	poll => 'r',
2548	prio => 0,	3547	prio => 0,
2549	data => WF_AUTOCANCEL,	3548	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,	3549	cb => \&BDB::poll_cb,
2551	);	3550	);
2552	BDB::min_parallel 8;
2553		3551
2554	BDB::set_sync_prepare {	3552	BDB::set_sync_prepare {
2555	my $status;	3553	my $status;
2556	my $current = $Coro::current;	3554	my $current = $Coro::current;
2557	(	3555	(
…		…
2566	)	3564	)
2567	};	3565	};
2568		3566
2569	unless ($DB_ENV) {	3567	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	3568	$DB_ENV = BDB::db_env_create;
		3569	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3570	| BDB::LOG_AUTOREMOVE, 1);
		3571	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3572	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		3573
2572	cf::sync_job {	3574	cf::sync_job {
2573	eval {	3575	eval {
2574	BDB::db_env_open	3576	BDB::db_env_open
2575	$DB_ENV,	3577	$DB_ENV,
2576	$BDB_ENV_DIR,	3578	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3579	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3580	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3581	0666;
2580		3582
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3583	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	3584	};
2586		3585
2587	cf::cleanup "db_env_open(db): $@" if $@;	3586	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3587	};
2589	}	3588	}
		3589
		3590	$BDB_DEADLOCK_WATCHER = Event->timer (
		3591	after => 3,
		3592	interval => 1,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3598	},
		3599	);
		3600	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3601	after => 11,
		3602	interval => 60,
		3603	hard => 1,
		3604	prio => 0,
		3605	data => WF_AUTOCANCEL,
		3606	cb => sub {
		3607	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3608	},
		3609	);
		3610	$BDB_TRICKLE_WATCHER = Event->timer (
		3611	after => 5,
		3612	interval => 10,
		3613	hard => 1,
		3614	prio => 0,
		3615	data => WF_AUTOCANCEL,
		3616	cb => sub {
		3617	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3618	},
		3619	);
2590	}	3620	}
2591		3621
2592	{	3622	{
2593	IO::AIO::min_parallel 8;	3623	IO::AIO::min_parallel 8;
2594		3624
…		…
2597	$AIO_POLL_WATCHER = Event->io (	3627	$AIO_POLL_WATCHER = Event->io (
2598	reentrant => 0,	3628	reentrant => 0,
2599	data => WF_AUTOCANCEL,	3629	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,	3630	fd => IO::AIO::poll_fileno,
2601	poll => 'r',	3631	poll => 'r',
2602	prio => 6,	3632	prio => 0,
2603	cb => \&IO::AIO::poll_cb,	3633	cb => \&IO::AIO::poll_cb,
2604	);	3634	);
2605	}	3635	}
2606		3636
		3637	my $_log_backtrace;
		3638
		3639	sub _log_backtrace {
		3640	my ($msg, @addr) = @_;
		3641
		3642	$msg =~ s/\n//;
		3643
		3644	# limit the # of concurrent backtraces
		3645	if ($_log_backtrace < 2) {
		3646	++$_log_backtrace;
		3647	async {
		3648	$Coro::current->{desc} = "abt $msg";
		3649
		3650	my @bt = fork_call {
		3651	@addr = map { sprintf "%x", $_ } @addr;
		3652	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3653	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3654	or die "addr2line: $!";
		3655
		3656	my @funcs;
		3657	my @res = <$fh>;
		3658	chomp for @res;
		3659	while (@res) {
		3660	my ($func, $line) = splice @res, 0, 2, ();
		3661	push @funcs, "[$func] $line";
		3662	}
		3663
		3664	@funcs
		3665	};
		3666
		3667	LOG llevInfo, "[ABT] $msg\n";
		3668	LOG llevInfo, "[ABT] $_\n" for @bt;
		3669	--$_log_backtrace;
		3670	};
		3671	} else {
		3672	LOG llevInfo, "[ABT] $msg\n";
		3673	LOG llevInfo, "[ABT] [suppressed]\n";
		3674	}
		3675	}
		3676
		3677	# load additional modules
		3678	use cf::pod;
		3679
2607	END { cf::emergency_save }	3680	END { cf::emergency_save }
2608		3681
2609	1	3682	1
2610		3683

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