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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC vs.
Revision 1.371 by root, Thu Sep 13 16:16:01 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 3.64 ();
		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;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	136	every server tick.
114		137
115	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		206
163	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
271	}	323	}
272		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
276	my $guard = Coro::guard {	334	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	336	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
282	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
283	}	395	}
284		396
285	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
286		398
287	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		404
293	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
294		406
295	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
296		408
297	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
300		413
301	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
304	fast or be very important.	417	fast or be very important.
…		…
307		420
308	sub sync_job(&) {	421	sub sync_job(&) {
309	my ($job) = @_;	422	my ($job) = @_;
310		423
311	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
312	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
314		429
315	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
327		442
328	while ($busy) {	443	while ($busy) {
329	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
330	}	445	}
331		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
332	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
333	} else {	455	} else {
334	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
335		457
336	$job->()	458	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
356		478
357	$coro	479	$coro
358	}	480	}
359		481
360	sub write_runtime {	482	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		483
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	Executes the given code block with the given arguments in a seperate
364	or return;	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
365		488
366	my $value = $cf::RUNTIME + 90 + 10;	489	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		490
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	sub fork_call(&@) {
371	and return;	492	my ($cb, @args) = @_;
372		493
373	# always fsync - this file is important	494	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	495	# otherwise perl prematurely frees the stuff :/
375	and return;	496	# TODO: investigate and fix (likely this will be rather laborious)
376		497
377	close $fh	498	my @res = Coro::Util::fork_eval {
378	or return;	499	reset_signals;
		500	&$cb
		501	}, @args;
379		502
380	aio_rename "$runtime~", $runtime	503	wantarray ? @res : $res[-1]
381	and return;	504	}
382		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
383	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	642	}
385		643
386	=back	644	=back
387		645
388	=cut	646	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
397		655
398	In the following description, CLASS can be any of C<global>, C<object>	656	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	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	658	Crossfire TRT).
401		659
402	=over 4	660	=over 4
403		661
404	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
405		663
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
569		827
570	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		832
575	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	834	my $pkg = shift @arg;
577		835
578	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
608	}	866	}
609		867
610	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
611	} else {	869	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	871	}
614		872
615	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
616	}	874	}
617		875
…		…
619	if (ref $_[0]) {	877	if (ref $_[0]) {
620	_object_attach @_;	878	_object_attach @_;
621	} else {	879	} else {
622	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
623	}	881	}
		882	_recalc_want;
624	};	883	};
625		884
626	# all those should be optimised	885	# all those should be optimised
627	sub cf::attachable::detach {	886	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
632	reattach ($obj);	891	reattach ($obj);
633	} else {	892	} else {
634	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
635	}	894	}
		895	_recalc_want;
636	};	896	};
637		897
638	sub cf::attachable::attached {	898	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
640		900
…		…
655	";	915	";
656	die if $@;	916	die if $@;
657	}	917	}
658		918
659	our $override;	919	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		921
662	sub override {	922	sub override {
663	$override = 1;	923	$override = 1;
664	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
665	}	925	}
666		926
667	sub do_invoke {	927	sub do_invoke {
668	my $event = shift;	928	my $event = shift;
669	my $callbacks = shift;	929	my $callbacks = shift;
670		930
671	@invoke_results = ();	931	@INVOKE_RESULTS = ();
672		932
673	local $override;	933	local $override;
674		934
675	for (@$callbacks) {	935	for (@$callbacks) {
676	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
693		953
694	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
695		955
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	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	957	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		959
700	=back	960	=back
701		961
702	=cut	962	=cut
703		963
704	#############################################################################	964	#############################################################################
705	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
706		977
707	sub reattach {	978	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	980	my ($obj) = @_;
710		981
…		…
755	);	1026	);
756		1027
757	sub object_freezer_save {	1028	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
759		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
760	sync_job {	1033	sync_job {
761	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
764		1038
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
787	}	1061	}
788	} else {	1062	} else {
789	aio_unlink $filename;	1063	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
791	}	1065	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1066	};
		1067
		1068	undef $guard;
799	}	1069	}
800		1070
801	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
803		1073
…		…
809	sub object_thawer_load {	1079	sub object_thawer_load {
810	my ($filename) = @_;	1080	my ($filename) = @_;
811		1081
812	my ($data, $av);	1082	my ($data, $av);
813		1083
814	#d#TODO remove .map if file does not exist	1084	my $guard = cf::lock_acquire "io";
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1085
817	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
818	or return;	1087	or return;
819		1088
820	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
822	or return;	1091	or return;
		1092
		1093	undef $guard;
823	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1095	}
825		1096
		1097	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
828	return ($data, $av);	1101	($data, $av)
829	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
830		1109
831	#############################################################################	1110	#############################################################################
832	# command handling &c	1111	# command handling &c
833		1112
834	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1127	}
849		1128
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1130
852	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
853		1136
854	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
855	called.	1138	called.
856		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
857	=cut	1151	=cut
858		1152
859	sub register_extcmd {	1153	sub register_extcmd {
860	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
861		1155
862	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
863	}	1163	}
864		1164
865	cf::player->attach (	1165	cf::player->attach (
866	on_command => sub {	1166	on_command => sub {
867	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1176	cf::override;
877	},	1177	},
878	on_extcmd => sub {	1178	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
880		1180
881	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1182
883	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
889	} else {	1198	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1200	}
892		1201
893	cf::override;	1202	cf::override;
894	},	1203	},
895	);	1204	);
896		1205
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
932	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1211	next unless -r $path;
934	eval {	1212
935	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
936	1	1270	}
937	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
938	}	1276	};
939	}	1277	}
940		1278
941	#############################################################################	1279	#############################################################################
942		1280
		1281	=back
		1282
943	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
944		1284
945	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
946		1286
947	=cut	1287	=cut
…		…
952		1292
953	=head3 cf::player	1293	=head3 cf::player
954		1294
955	=over 4	1295	=over 4
956		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
957	=item cf::player::find $login	1311	=item cf::player::find $login
958		1312
959	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
960		1314
961	=cut	1315	=cut
962		1316
963	sub playerdir($) {	1317	sub playerdir($) {
964	cf::localdir	1318	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1320	}
970		1321
971	sub path($) {	1322	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1324
974	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
975	}	1326	}
976		1327
977	sub find_active($) {	1328	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1343	my $login = $_[0];
993		1344
994	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
995		1346
996	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
998	or return;	1356	or return;
		1357
		1358	$f->next;
		1359	my $pl = cf::player::load_pl $f
		1360	or return;
		1361	local $cf::PLAYER_LOADING{$login} = $pl;
		1362	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
1000	}	1364	}
1001	}	1365	}
1002	}	1366	}
1003		1367
…		…
1013		1377
1014	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
1016		1380
1017	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
1018	Coro::cede;	1382	cf::cede_to_tick;
1019	}	1383	}
1020		1384
1021	sub new($) {	1385	sub new($) {
1022	my ($login) = @_;	1386	my ($login) = @_;
1023		1387
…		…
1029	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
1030		1394
1031	$self	1395	$self
1032	}	1396	}
1033		1397
		1398	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1399
		1400	=cut
		1401
		1402	sub send_msg {
		1403	my $ns = shift->ns
		1404	or return;
		1405	$ns->send_msg (@_);
		1406	}
		1407
1034	=item $pl->quit_character	1408	=item $pl->quit_character
1035		1409
1036	Nukes the player without looking back. If logged in, the connection will	1410	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1411	be destroyed. May block for a long time.
1038		1412
1039	=cut	1413	=cut
1040		1414
1041	sub quit_character {	1415	sub quit_character {
1042	my ($pl) = @_;	1416	my ($pl) = @_;
		1417
		1418	my $name = $pl->ob->name;
1043		1419
1044	$pl->{deny_save} = 1;	1420	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1421	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1422
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1428	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1429	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1430	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1431	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1432	$pl->destroy;
		1433
		1434	my $prefix = qr<^~\Q$name\E/>;
		1435
		1436	# nuke player maps
		1437	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1438
1057	IO::AIO::aio_rmtree $temp;	1439	IO::AIO::aio_rmtree $temp;
		1440	}
		1441
		1442	=item $pl->kick
		1443
		1444	Kicks a player out of the game. This destroys the connection.
		1445
		1446	=cut
		1447
		1448	sub kick {
		1449	my ($pl, $kicker) = @_;
		1450
		1451	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1452	$pl->killer ("kicked");
		1453	$pl->ns->destroy;
1058	}	1454	}
1059		1455
1060	=item cf::player::list_logins	1456	=item cf::player::list_logins
1061		1457
1062	Returns am arrayref of all valid playernames in the system, can take a	1458	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1459	while and may block, so not sync_job-capable, ever.
1064		1460
1065	=cut	1461	=cut
1066		1462
1067	sub list_logins {	1463	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1464	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1465	or return [];
1070		1466
1071	my @logins;	1467	my @logins;
1072		1468
1073	for my $login (@$dirs) {	1469	for my $login (@$dirs) {
		1470	my $path = path $login;
		1471
		1472	# a .pst is a dead give-away for a valid player
		1473	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1077		1478
1078	utf8::decode $login;	1479	utf8::decode $login;
1079	push @logins, $login;	1480	push @logins, $login;
1080	}	1481	}
1081		1482
…		…
1108	}	1509	}
1109		1510
1110	\@paths	1511	\@paths
1111	}	1512	}
1112		1513
		1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1515
		1516	Expand crossfire pod fragments into protocol xml.
		1517
		1518	=cut
		1519
		1520	sub expand_cfpod {
		1521	((my $self), (local $_)) = @_;
		1522
		1523	# escape & and <
		1524	s/&/&amp;/g;
		1525	s/(?<![BIUGHT])</&lt;/g;
		1526
		1527	# this is buggy, it needs to properly take care of nested <'s
		1528
		1529	1 while
		1530	# replace B<>, I<>, U<> etc.
		1531	s/B<([^\>]*)>/<b>$1<\/b>/
		1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1535	# replace G<male|female> tags
		1536	|| s{G<([^>|]*)\|([^>]*)>}{
		1537	$self->gender ? $2 : $1
		1538	}ge
		1539	# replace H<hint text>
		1540	|| s{H<([^\>]*)>}
		1541	{
		1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1544	"")
		1545	[$self->{hintmode}]
		1546	}ge;
		1547
		1548	# create single paragraphs (very hackish)
		1549	s/(?<=\S)\n(?=\w)/ /g;
		1550
		1551	# compress some whitespace
		1552	s/\s+\n/\n/g; # ws line-ends
		1553	s/\n\n+/\n/g; # double lines
		1554	s/^\n+//; # beginning lines
		1555	s/\n+$//; # ending lines
		1556
		1557	$_
		1558	}
		1559
		1560	sub hintmode {
		1561	$_[0]{hintmode} = $_[1] if @_ > 1;
		1562	$_[0]{hintmode}
		1563	}
		1564
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1114		1566
1115	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1116		1568
1117	=cut	1569	=cut
1118		1570
1119	sub ext_reply($$$%) {	1571	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1121		1573
1122	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1575	}
1126		1576
1127	package cf;	1577	=item $player->ext_msg ($type, @msg)
		1578
		1579	Sends an ext event to the client.
		1580
		1581	=cut
		1582
		1583	sub ext_msg($$@) {
		1584	my ($self, $type, @msg) = @_;
		1585
		1586	$self->ns->ext_msg ($type, @msg);
		1587	}
		1588
		1589	=head3 cf::region
		1590
		1591	=over 4
		1592
		1593	=cut
		1594
		1595	package cf::region;
		1596
		1597	=item cf::region::find_by_path $path
		1598
		1599	Tries to decuce the likely region for a map knowing only its path.
		1600
		1601	=cut
		1602
		1603	sub find_by_path($) {
		1604	my ($path) = @_;
		1605
		1606	my ($match, $specificity);
		1607
		1608	for my $region (list) {
		1609	if ($region->{match} && $path =~ $region->{match}) {
		1610	($match, $specificity) = ($region, $region->specificity)
		1611	if $region->specificity > $specificity;
		1612	}
		1613	}
		1614
		1615	$match
		1616	}
1128		1617
1129	=back	1618	=back
1130
1131		1619
1132	=head3 cf::map	1620	=head3 cf::map
1133		1621
1134	=over 4	1622	=over 4
1135		1623
…		…
1190	my ($self, $merge) = @_;	1678	my ($self, $merge) = @_;
1191		1679
1192	# we have to keep some variables in memory intact	1680	# we have to keep some variables in memory intact
1193	local $self->{path};	1681	local $self->{path};
1194	local $self->{load_path};	1682	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1683
1198	$self->SUPER::thawer_merge ($merge);	1684	$self->SUPER::thawer_merge ($merge);
1199	}	1685	}
1200		1686
1201	sub normalise {	1687	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1249	return $self;	1735	return $self;
1250	}	1736	}
1251	}	1737	}
1252		1738
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1740	()
1255	}	1741	}
1256		1742
1257	sub init {	1743	sub init {
1258	my ($self) = @_;	1744	my ($self) = @_;
…		…
1273		1759
1274	# the original (read-only) location	1760	# the original (read-only) location
1275	sub load_path {	1761	sub load_path {
1276	my ($self) = @_;	1762	my ($self) = @_;
1277		1763
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1764	"$MAPDIR/$self->{path}.map"
1279	}	1765	}
1280		1766
1281	# the temporary/swap location	1767	# the temporary/swap location
1282	sub save_path {	1768	sub save_path {
1283	my ($self) = @_;	1769	my ($self) = @_;
1284		1770
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1772	"$TMPDIR/$path.map"
1287	}	1773	}
1288		1774
1289	# the unique path, undef == no special unique path	1775	# the unique path, undef == no special unique path
1290	sub uniq_path {	1776	sub uniq_path {
1291	my ($self) = @_;	1777	my ($self) = @_;
1292		1778
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1780	"$UNIQUEDIR/$path"
1295	}	1781	}
1296		1782
1297	# and all this just because we cannot iterate over	1783	# and all this just because we cannot iterate over
1298	# all maps in C++...	1784	# all maps in C++...
1299	sub change_all_map_light {	1785	sub change_all_map_light {
…		…
1301		1787
1302	$_->change_map_light ($change)	1788	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1789	for grep $_->outdoor, values %cf::MAP;
1304	}	1790	}
1305		1791
		1792	sub decay_objects {
		1793	my ($self) = @_;
		1794
		1795	return if $self->{deny_reset};
		1796
		1797	$self->do_decay_objects;
		1798	}
		1799
1306	sub unlink_save {	1800	sub unlink_save {
1307	my ($self) = @_;	1801	my ($self) = @_;
1308		1802
1309	utf8::encode (my $save = $self->save_path);	1803	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1805	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1806	}
1318		1807
1319	sub load_header_from($) {	1808	sub load_header_from($) {
1320	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1321		1810
1322	utf8::encode $path;	1811	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1813	or return;
		1814
		1815	$self->_load_header ($f)
		1816	or return;
		1817
		1818	local $MAP_LOADING{$self->{path}} = $self;
		1819	$f->resolve_delayed_derefs;
1328		1820
1329	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1330		1822
1331	1	1823	1
1332	}	1824	}
…		…
1371	$self->load_header_orig	1863	$self->load_header_orig
1372	or return;	1864	or return;
1373	$self->prepare_orig;	1865	$self->prepare_orig;
1374	}	1866	}
1375		1867
		1868	$self->{deny_reset} = 1
		1869	if $self->no_reset;
		1870
		1871	$self->default_region (cf::region::find_by_path $self->{path})
		1872	unless $self->default_region;
		1873
1376	1	1874	1
1377	}	1875	}
1378		1876
1379	sub find;	1877	sub find;
1380	sub find {	1878	sub find {
1381	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1382		1880
1383	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1384		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1386		1885
1387	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1887	my $guard1 = cf::lock_acquire "map_find:$path";
		1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1889
1389	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1390	or return;	1891	or return;
1391		1892
1392	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1393		1894
1394	$map->load_header	1895	$map->load_header
1395	or return;	1896	or return;
1396		1897
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1899	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1400	$map->reset;	1903	$map->reset;
1401	undef $guard;
1402	return find $path;	1904	return find $path;
1403	}	1905	}
1404		1906
1405	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1406	}	1908	}
…		…
1413	my ($self) = @_;	1915	my ($self) = @_;
1414		1916
1415	local $self->{deny_reset} = 1; # loading can take a long time	1917	local $self->{deny_reset} = 1; # loading can take a long time
1416		1918
1417	my $path = $self->{path};	1919	my $path = $self->{path};
		1920
		1921	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1419		1923
		1924	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1926
1422	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1423		1928
1424	$self->alloc;	1929	$self->alloc;
1425		1930
1426	$self->pre_load;	1931	$self->pre_load;
		1932	cf::cede_to_tick;
1427		1933
1428	$self->_load_objects ($self->{load_path}, 1)	1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
		1936	$self->_load_objects ($f)
1429	or return;	1937	or return;
1430		1938
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1940	if delete $self->{load_original};
1433		1941
1434	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1943	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1946	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1439	}	1950	}
1440	}	1951	}
1441		1952
1442	Coro::cede;	1953	$f->resolve_delayed_derefs;
1443		1954
		1955	cf::cede_to_tick;
1444	# now do the right thing for maps	1956	# now do the right thing for maps
1445	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1958	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1959	unless $self->difficulty;
1455	Coro::cede;	1960	cf::cede_to_tick;
		1961
		1962	unless ($self->{deny_activate}) {
		1963	$self->decay_objects;
		1964	$self->fix_auto_apply;
		1965	$self->update_buttons;
		1966	cf::cede_to_tick;
		1967	$self->set_darkness_map;
		1968	cf::cede_to_tick;
1456	$self->activate;	1969	$self->activate;
		1970	}
		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
		1974
		1975	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1976	}
1458		1977
1459	$self->post_load;	1978	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1979	}
1463		1980
1464	sub customise_for {	1981	sub customise_for {
1465	my ($self, $ob) = @_;	1982	my ($self, $ob) = @_;
1466		1983
1467	return find "~" . $ob->name . "/" . $self->{path}	1984	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1985	if $self->per_player;
1469		1986
		1987	# return find "?party/" . $ob->name . "/" . $self->{path}
		1988	# if $self->per_party;
		1989
1470	$self	1990	$self
1471	}	1991	}
1472		1992
1473	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1994	sub load_neighbours {
1475	my ($map) = @_;	1995	my ($map) = @_;
1476		1996
1477	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1478		1998
1479	for (0 .. 3) {	1999	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1481	or next;	2001	or next;
1482	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1483	or next;	2003	or next;
1484	$neigh->load;	2004	$neigh->load;
1485		2005
		2006	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2009	}
1489		2010
1490	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1492	or next;	2014	or next;
1493	$neigh->load;	2015	$neigh->load;
1494	}	2016	}
1495	}	2017	}
1496		2018
…		…
1501	}	2023	}
1502		2024
1503	sub do_load_sync {	2025	sub do_load_sync {
1504	my ($map) = @_;	2026	my ($map) = @_;
1505		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1506	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1507	}	2032	}
1508		2033
1509	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2035	our $MAP_PREFETCHER = undef;
1511		2036
1512	sub find_async {	2037	sub find_async {
1513	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1514		2039
1515	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1516		2041
1517	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2044	}
1520		2045
1521	undef $MAP_PREFETCH{$path};	2046	$MAP_PREFETCH{$path} |= $load;
		2047
1522	$MAP_PREFETCHER ||= cf::async {	2048	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2049	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2050	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2051	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2052	$map->load if $v;
		2053	}
1528		2054
1529	delete $MAP_PREFETCH{$path};	2055	delete $MAP_PREFETCH{$k};
1530	}	2056	}
1531	}	2057	}
1532	undef $MAP_PREFETCHER;	2058	undef $MAP_PREFETCHER;
1533	};	2059	};
1534	$MAP_PREFETCHER->prio (6);	2060	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2063	}
1538		2064
1539	sub save {	2065	sub save {
1540	my ($self) = @_;	2066	my ($self) = @_;
1541		2067
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2069
1544	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1545		2071
1546	return unless $self->dirty;	2072	return unless $self->dirty;
1547		2073
…		…
1570	my ($self) = @_;	2096	my ($self) = @_;
1571		2097
1572	# save first because save cedes	2098	# save first because save cedes
1573	$self->save;	2099	$self->save;
1574		2100
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2102
1577	return if $self->players;	2103	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2105	return if $self->{deny_save};
1580		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2111	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2112	}
1584		2113
1585	sub reset_at {	2114	sub reset_at {
1586	my ($self) = @_;	2115	my ($self) = @_;
1587		2116
1588	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1591		2119
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2122
…		…
1605	my ($self) = @_;	2133	my ($self) = @_;
1606		2134
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2136
1609	return if $self->players;	2137	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2138
1612	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
		2140
		2141	$self->in_memory (cf::MAP_SWAPPED);
		2142
		2143	# need to save uniques path
		2144	unless ($self->{deny_save}) {
		2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2146
		2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2148	if $uniq;
		2149	}
1613		2150
1614	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1615		2152
1616	$self->in_memory (cf::MAP_SWAPPED);	2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2155	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2156
1621	$self->unlink_save;	2157	$self->unlink_save;
1622	$self->destroy;	2158	$self->destroy;
1623	}	2159	}
1624		2160
1625	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1626		2162
1627	sub nuke {	2163	sub nuke {
1628	my ($self) = @_;	2164	my ($self) = @_;
1629		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1630	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1631		2170
1632	$self->unlink_save;	2171	$self->unlink_save;
1633		2172
1634	bless $self, "cf::map";	2173	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2178
1640	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1641		2181
1642	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1643	}	2219	}
1644		2220
1645	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1646		2222
1647	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2224	instantiated unique items. May block.
1649		2225
1650	=cut	2226	=cut
1651		2227
1652	sub unique_maps() {	2228	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1654	or return;	2230	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2231	utf8::decode $_;
1660	next if /\.pst$/;	2232	/\.map$/
1661	next unless /^$PATH_SEP/o;	2233	? normalise $_
1662		2234	: ()
1663	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2236	]
1665
1666	\@paths
1667	}	2237	}
1668		2238
1669	package cf;	2239	package cf;
1670		2240
1671	=back	2241	=back
…		…
1689	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1690	}	2260	}
1691		2261
1692	sub inv_recursive {	2262	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	# temporary compatibility#TODO#remove
		2281	$ref =~ s{^<}{player/<};
		2282
		2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2284	my ($uuid, $name) = ($1, $2);
		2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2286	or return;
		2287	$pl->ob->uuid eq $uuid
		2288	or return;
		2289
		2290	$pl->ob
		2291	} else {
		2292	warn "$ref: cannot resolve object reference\n";
		2293	undef
		2294	}
1694	}	2295	}
1695		2296
1696	package cf;	2297	package cf;
1697		2298
1698	=back	2299	=back
…		…
1717		2318
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2320
1720	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1722	} else {	2324	} else {
		2325	my $pl = $self->contr;
		2326
		2327	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2328	my $dialog = $pl->{npc_dialog};
		2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2330
		2331	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1725	}	2335	}
		2336	}
		2337
		2338	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2339
		2340	=cut
		2341
		2342	sub cf::object::send_msg {
		2343	my $pl = shift->contr
		2344	or return;
		2345	$pl->send_msg (@_);
1726	}	2346	}
1727		2347
1728	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1729		2349
1730	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
1777	$self->deactivate_recursive;	2397	$self->deactivate_recursive;
1778		2398
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2399	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2400
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2402	if $self->map && $self->map->{path} ne "{link}";
1783		2403
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2405	}
1786		2406
1787	sub cf::object::player::leave_link {	2407	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2408	my ($self, $map, $x, $y) = @_;
		2409
		2410	return unless $self->contr->active;
1789		2411
1790	my $link_pos = delete $self->{_link_pos};	2412	my $link_pos = delete $self->{_link_pos};
1791		2413
1792	unless ($map) {	2414	unless ($map) {
1793	# restore original map position	2415	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
1810		2432
1811	$map->load;	2433	$map->load;
1812	$map->load_diag;	2434	$map->load_neighbours;
1813		2435
1814	return unless $self->contr->active;	2436	return unless $self->contr->active;
1815	$self->activate_recursive;	2437	$self->activate_recursive;
		2438
		2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
1817	}	2441	}
1818		2442
1819	cf::player->attach (	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2444
1823	# abort map switching before logout	2445	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2446	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2447	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2448	the new (success) or old (failed) map position. In either case, $done will
1827	};	2449	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2450
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2451	=cut
		2452
		2453	our $GOTOGEN;
1854		2454
1855	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2456	my ($self, $path, $x, $y, $check, $done) = @_;
		2457
		2458	# do generation counting so two concurrent goto's will be executed in-order
		2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2460
1858	$self->enter_link;	2461	$self->enter_link;
1859		2462
1860	(async {	2463	(async {
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1861	my $map = eval {	2483	my $map = eval {
1862	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1864	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2499	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1869	})->prio (1);	2507	})->prio (1);
1870	}	2508	}
1871		2509
1872	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1873		2511
…		…
1912		2550
1913	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1914		2552
1915	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1918		2556
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2559	undef $fh;
1922	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1931		2569
1932	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1933		2571
1934	if ($exit->slaying eq "/!") {	2572	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2576	cf::sync_job { prepare_random_map $exit };
1937	}	2577	}
1938		2578
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1942		2582
1943	$self->enter_link;	2583	$self->enter_link;
		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
1944		2588
1945	(async {	2589	(async {
1946	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2591	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2592	$self->goto ($slaying, $hp, $sp);
1949		2593
1950	1;	2594	1;
1951	}) {	2595	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2596	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2597	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2598	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2599	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2600
1957	warn "ERROR in enter_exit: $@";	2601	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2602	$self->leave_link;
1959	}	2603	}
1960	})->prio (1);	2604	})->prio (1);
…		…
1973		2617
1974	sub cf::client::send_drawinfo {	2618	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2619	my ($self, $text, $flags) = @_;
1976		2620
1977	utf8::encode $text;	2621	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2623	}
1980		2624
		2625	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2626
		2627	Send a drawinfo or msg packet to the client, formatting the msg for the
		2628	client if neccessary. C<$type> should be a string identifying the type of
		2629	the message, with C<log> being the default. If C<$color> is negative, suppress
		2630	the message unless the client supports the msg packet.
		2631
		2632	=cut
		2633
		2634	our %CHANNEL = (
		2635	"c/identify" => {
		2636	id => "identify",
		2637	title => "Identify",
		2638	reply => undef,
		2639	tooltip => "Items recently identified",
		2640	},
		2641	"c/examine" => {
		2642	id => "examine",
		2643	title => "Examine",
		2644	reply => undef,
		2645	tooltip => "Signs and other items you examined",
		2646	},
		2647	);
		2648
		2649	sub cf::client::send_msg {
		2650	my ($self, $channel, $msg, $color, @extra) = @_;
		2651
		2652	$msg = $self->pl->expand_cfpod ($msg);
		2653
		2654	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2655
		2656	# check predefined channels, for the benefit of C
		2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2658
		2659	if (ref $channel) {
		2660	# send meta info to client, if not yet sent
		2661	unless (exists $self->{channel}{$channel->{id}}) {
		2662	$self->{channel}{$channel->{id}} = $channel;
		2663	$self->ext_msg (channel_info => $channel)
		2664	if $self->can_msg;
		2665	}
		2666
		2667	$channel = $channel->{id};
		2668	}
		2669
		2670	return unless @extra || length $msg;
		2671
		2672	if ($self->can_msg) {
		2673	# default colour, mask it out
		2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2675	if $color & cf::NDI_DEF;
		2676
		2677	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2679	} else {
		2680	if ($color >= 0) {
		2681	# replace some tags by gcfclient-compatible ones
		2682	for ($msg) {
		2683	1 while
		2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2689	}
		2690
		2691	$color &= cf::NDI_COLOR_MASK;
		2692
		2693	utf8::encode $msg;
		2694
		2695	if (0 && $msg =~ /\[/) {
		2696	# COMMAND/INFO
		2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2698	} else {
		2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2700	$self->send_packet ("drawinfo $color $msg")
		2701	}
		2702	}
		2703	}
		2704	}
		2705
		2706	=item $client->ext_msg ($type, @msg)
		2707
		2708	Sends an ext event to the client.
		2709
		2710	=cut
		2711
		2712	sub cf::client::ext_msg($$@) {
		2713	my ($self, $type, @msg) = @_;
		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
		2718	push @msg, msgtype => "event_$type";
		2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2720	}
		2721	}
		2722
		2723	=item $client->ext_reply ($msgid, @msg)
		2724
		2725	Sends an ext reply to the client.
		2726
		2727	=cut
		2728
		2729	sub cf::client::ext_reply($$@) {
		2730	my ($self, $id, @msg) = @_;
		2731
		2732	if ($self->extcmd == 2) {
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2734	} elsif ($self->extcmd == 1) {
		2735	#TODO: version 1, remove
		2736	unshift @msg, msgtype => "reply", msgid => $id;
		2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2738	}
		2739	}
1981		2740
1982	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
1983		2742
1984	Queues a query to the client, calling the given callback with	2743	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2744	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2746
1988	Queries can fail, so check the return code. Or don't, as queries will become	2747	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2748	become reliable at some point in the future.
1990		2749
1991	=cut	2750	=cut
1992		2751
1993	sub cf::client::query {	2752	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2761	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2763
2005	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
2007	}	2768	}
2008		2769
2009	cf::client->attach (	2770	cf::client->attach (
		2771	on_connect => sub {
		2772	my ($ns) = @_;
		2773
		2774	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2775	},
2010	on_reply => sub {	2776	on_reply => sub {
2011	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
2012		2778
2013	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
2014	# get handled first	2780	# get handled first
…		…
2026	} else {	2792	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2794	}
2029	}	2795	}
2030	},	2796	},
		2797	on_exticmd => sub {
		2798	my ($ns, $buf) = @_;
		2799
		2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2801
		2802	if (ref $msg) {
		2803	my ($type, $reply, @payload) =
		2804	"ARRAY" eq ref $msg
		2805	? @$msg
		2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2807
		2808	my @reply;
		2809
		2810	if (my $cb = $EXTICMD{$type}) {
		2811	@reply = $cb->($ns, @payload);
		2812	}
		2813
		2814	$ns->ext_reply ($reply, @reply)
		2815	if $reply;
		2816
		2817	} else {
		2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2819	}
		2820
		2821	cf::override;
		2822	},
2031	);	2823	);
2032		2824
2033	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
2034		2826
2035	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
2078		2870
2079	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
2080		2872
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2873	$safe->permit_only (Opcode::opset qw(
		2874	:base_core :base_mem :base_orig :base_math
		2875	grepstart grepwhile mapstart mapwhile
		2876	sort time
		2877	));
2082		2878
2083	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
2084		2880
2085	=pod	2881	=pod
2086		2882
2087	The following fucntions and emthods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
2088		2884
2089	cf::object contr pay_amount pay_player map	2885	cf::object
		2886	contr pay_amount pay_player map x y force_find force_add
		2887	insert remove name archname title slaying race decrease_ob_nr
		2888
2090	cf::object::player player	2889	cf::object::player
2091	cf::player peaceful	2890	player
2092	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
2093		2897
2094	=cut	2898	=cut
2095		2899
2096	for (	2900	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2902	insert remove inv name archname title slaying race
		2903	decrease_ob_nr)],
2098	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2101	) {	2907	) {
2102	no strict 'refs';	2908	no strict 'refs';
…		…
2173	=back	2979	=back
2174		2980
2175	=cut	2981	=cut
2176		2982
2177	#############################################################################	2983	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248
2249	#############################################################################
2250	# the server's init and main functions	2984	# the server's init and main functions
2251		2985
2252	sub load_resources {	2986	sub load_facedata($) {
2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2987	my ($path) = @_;
		2988
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2994
		2995	warn "loading facedata from $path\n";
		2996
		2997	my $facedata;
		2998	0 < aio_load $path, $facedata
		2999	or die "$path: $!";
		3000
		3001	$facedata = Coro::Storable::thaw $facedata;
		3002
		3003	$facedata->{version} == 2
		3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3005
		3006	# patch in the exptable
		3007	$facedata->{resource}{"res/exp_table"} = {
		3008	type => FT_RSRC,
		3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3010	};
		3011	cf::cede_to_tick;
		3012
		3013	{
		3014	my $faces = $facedata->{faceinfo};
		3015
		3016	while (my ($face, $info) = each %$faces) {
		3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3018	cf::face::set_visibility $idx, $info->{visibility};
		3019	cf::face::set_magicmap $idx, $info->{magicmap};
		3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3022
		3023	cf::cede_to_tick;
		3024	}
		3025
		3026	while (my ($face, $info) = each %$faces) {
		3027	next unless $info->{smooth};
		3028	my $idx = cf::face::find $face
		3029	or next;
		3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
		3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3033	} else {
		3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3035	}
		3036
		3037	cf::cede_to_tick;
		3038	}
		3039	}
		3040
		3041	{
		3042	my $anims = $facedata->{animinfo};
		3043
		3044	while (my ($anim, $info) = each %$anims) {
		3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	cf::anim::invalidate_all; # d'oh
		3050	}
		3051
		3052	{
		3053	# TODO: for gcfclient pleasure, we should give resources
		3054	# that gcfclient doesn't grok a >10000 face index.
		3055	my $res = $facedata->{resource};
		3056
		3057	my $soundconf = delete $res->{"res/sound.conf"};
		3058
		3059	while (my ($name, $info) = each %$res) {
		3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3061	my $data;
		3062
		3063	if ($info->{type} & 1) {
		3064	# prepend meta info
		3065
		3066	my $meta = $enc->encode ({
		3067	name => $name,
		3068	%{ $info->{meta} || {} },
		3069	});
		3070
		3071	$data = pack "(w/a*)*", $meta, $info->{data};
		3072	} else {
		3073	$data = $info->{data};
		3074	}
		3075
		3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3077	cf::face::set_type $idx, $info->{type};
		3078
		3079	cf::cede_to_tick;
		3080	}
		3081
		3082	if ($soundconf) {
		3083	$soundconf = $enc->decode (delete $soundconf->{data});
		3084
		3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3086	my $sound = $soundconf->{compat}[$_]
		3087	or next;
		3088
		3089	my $face = cf::face::find "sound/$sound->[1]";
		3090	cf::sound::set $sound->[0] => $face;
		3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3092	}
		3093
		3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3095	my $face = cf::face::find "sound/$v";
		3096	cf::sound::set $k => $face;
		3097	}
		3098	}
		3099	}
		3100
		3101	1
		3102	}
		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
		3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
		3117	load_resource_file "$MAPDIR/regions"
2254	or die "unable to load regions file\n";#d#	3118	or die "unable to load regions file\n";
2255	}
2256		3119
2257	sub cfg_load {	3120	for (cf::region::list) {
		3121	$_->{match} = qr/$_->{match}/
		3122	if exists $_->{match};
		3123	}
		3124	}
		3125
		3126	sub reload_facedata {
		3127	load_facedata "$DATADIR/facedata"
		3128	or die "unable to load facedata\n";
		3129	}
		3130
		3131	sub reload_archetypes {
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
		3137	load_resource_file "$DATADIR/archetypes"
		3138	or die "unable to load archetypes\n";
		3139	}
		3140
		3141	sub reload_treasures {
		3142	load_resource_file "$DATADIR/treasures"
		3143	or die "unable to load treasurelists\n";
		3144	}
		3145
		3146	sub reload_resources {
		3147	warn "reloading resource files...\n";
		3148
		3149	reload_regions;
		3150	reload_facedata;
		3151	#reload_archetypes;#d#
		3152	reload_archetypes;
		3153	reload_treasures;
		3154
		3155	warn "finished reloading resource files\n";
		3156	}
		3157
		3158	sub init {
		3159	reload_resources;
		3160	}
		3161
		3162	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3164	or return;
2260		3165
2261	local $/;	3166	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
2263		3168
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3176	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	3177	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	3178	};
2274	warn $@ if $@;	3179	warn $@ if $@;
2275	}	3180	}
2276	}
2277
2278	sub init {
2279	load_resources;
2280	}	3181	}
2281		3182
2282	sub main {	3183	sub main {
2283	# we must not ever block the main coroutine	3184	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	3185	local $Coro::idle = sub {
…		…
2286	(async {	3187	(async {
2287	Event::one_event;	3188	Event::one_event;
2288	})->prio (Coro::PRIO_MAX);	3189	})->prio (Coro::PRIO_MAX);
2289	};	3190	};
2290		3191
2291	cfg_load;	3192	reload_config;
2292	db_load;	3193	db_init;
2293	load_extensions;	3194	load_extensions;
2294		3195
2295	$TICK_WATCHER->start;	3196	$TICK_WATCHER->start;
2296	Event::loop;	3197	Event::loop;
2297	}	3198	}
…		…
2312	},	3213	},
2313	);	3214	);
2314	}	3215	}
2315	}	3216	}
2316		3217
		3218	sub write_runtime {
		3219	my $runtime = "$LOCALDIR/runtime";
		3220
		3221	# first touch the runtime file to show we are still running:
		3222	# the fsync below can take a very very long time.
		3223
		3224	IO::AIO::aio_utime $runtime, undef, undef;
		3225
		3226	my $guard = cf::lock_acquire "write_runtime";
		3227
		3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3229	or return;
		3230
		3231	my $value = $cf::RUNTIME + 90 + 10;
		3232	# 10 is the runtime save interval, for a monotonic clock
		3233	# 60 allows for the watchdog to kill the server.
		3234
		3235	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3236	and return;
		3237
		3238	# always fsync - this file is important
		3239	aio_fsync $fh
		3240	and return;
		3241
		3242	# touch it again to show we are up-to-date
		3243	aio_utime $fh, undef, undef;
		3244
		3245	close $fh
		3246	or return;
		3247
		3248	aio_rename "$runtime~", $runtime
		3249	and return;
		3250
		3251	warn "runtime file written.\n";
		3252
		3253	1
		3254	}
		3255
2317	sub emergency_save() {	3256	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2319		3258
2320	warn "enter emergency perl save\n";	3259	warn "enter emergency perl save\n";
2321		3260
…		…
2345	};	3284	};
2346		3285
2347	warn "leave emergency perl save\n";	3286	warn "leave emergency perl save\n";
2348	}	3287	}
2349		3288
		3289	sub post_cleanup {
		3290	my ($make_core) = @_;
		3291
		3292	warn Carp::longmess "post_cleanup backtrace"
		3293	if $make_core;
		3294	}
		3295
2350	sub reload() {	3296	sub do_reload_perl() {
2351	# can/must only be called in main	3297	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	3298	if ($Coro::current != $Coro::main) {
2353	warn "can only reload from main coroutine";	3299	warn "can only reload from main coroutine";
2354	return;	3300	return;
2355	}	3301	}
2356		3302
2357	warn "reloading...";	3303	warn "reloading...";
2358		3304
2359	warn "cancelling server ticker";	3305	warn "entering sync_job";
2360	$TICK_WATCHER->cancel;
2361		3306
		3307	cf::sync_job {
		3308	cf::write_runtime; # external watchdog should not bark
2362	cf::emergency_save;	3309	cf::emergency_save;
		3310	cf::write_runtime; # external watchdog should not bark
2363		3311
2364	eval {	3312	warn "syncing database to disk";
		3313	BDB::db_env_txn_checkpoint $DB_ENV;
		3314
2365	# if anything goes wrong in here, we should simply crash as we already saved	3315	# if anything goes wrong in here, we should simply crash as we already saved
2366		3316
2367	warn "cancelling all WF_AUTOCANCEL watchers";	3317	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {	3318	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;	3319	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}	3320	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374		3321
2375	warn "flushing outstanding aio requests";	3322	warn "flushing outstanding aio requests";
2376	for (;;) {	3323	for (;;) {
2377	BDB::flush;	3324	BDB::flush;
2378	IO::AIO::flush;	3325	IO::AIO::flush;
2379	Coro::cede;	3326	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;	3327	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";	3328	warn "iterate...";
2382	}	3329	}
2383		3330
		3331	++$RELOAD;
		3332
2384	warn "cancelling all extension coros";	3333	warn "cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	3334	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	3335	%EXT_CORO = ();
2387		3336
2388	warn "removing commands";	3337	warn "removing commands";
2389	%COMMAND = ();	3338	%COMMAND = ();
2390		3339
2391	warn "removing ext commands";	3340	warn "removing ext/exti commands";
2392	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2393		3343
2394	warn "unloading/nuking all extensions";	3344	warn "unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2397		3347
…		…
2427	Symbol::delete_package "safe::$_"	3377	Symbol::delete_package "safe::$_"
2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2429		3379
2430	warn "unloading cf.pm \"a bit\"";	3380	warn "unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	3381	delete $INC{"cf.pm"};
		3382	delete $INC{"cf/pod.pm"};
2432		3383
2433	# don't, removes xs symbols, too,	3384	# don't, removes xs symbols, too,
2434	# and global variables created in xs	3385	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	3386	#Symbol::delete_package __PACKAGE__;
2436		3387
…		…
2439	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2440	require cf;	3391	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442		3393
2443	warn "loading config and database again";	3394	warn "loading config and database again";
2444	cf::cfg_load;	3395	cf::reload_config;
2445	cf::db_load;
2446		3396
2447	warn "loading extensions";	3397	warn "loading extensions";
2448	cf::load_extensions;	3398	cf::load_extensions;
2449		3399
2450	warn "reattaching attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
2451	_global_reattach;	3401	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	3402	warn "reattaching attachments to maps";
2453	reattach $_ for values %MAP;	3403	reattach $_ for values %MAP;
		3404	warn "reattaching attachments to players";
		3405	reattach $_ for values %PLAYER;
2454		3406
2455	warn "loading reloadable resources";	3407	warn "leaving sync_job";
2456	load_resources;
2457		3408
2458	warn "restarting server ticker";	3409	1
2459		3410	} or do {
2460	$TICK_WATCHER->start;
2461	};
2462
2463	if ($@) {
2464	warn $@;	3411	warn $@;
2465	warn "error while reloading, exiting.";	3412	warn "error while reloading, exiting.";
2466	exit 1;	3413	exit 1;
2467	}	3414	};
2468		3415
2469	warn "reloaded";	3416	warn "reloaded";
2470	};	3417	};
2471		3418
2472	our $RELOAD_WATCHER; # used only during reload	3419	our $RELOAD_WATCHER; # used only during reload
2473		3420
		3421	sub reload_perl() {
		3422	# doing reload synchronously and two reloads happen back-to-back,
		3423	# coro crashes during coro_state_free->destroy here.
		3424
		3425	$RELOAD_WATCHER ||= Event->timer (
		3426	reentrant => 0,
		3427	after => 0,
		3428	data => WF_AUTOCANCEL,
		3429	cb => sub {
		3430	do_reload_perl;
		3431	undef $RELOAD_WATCHER;
		3432	},
		3433	);
		3434	}
		3435
2474	register_command "reload" => sub {	3436	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3437	my ($who, $arg) = @_;
2476		3438
2477	if ($who->flag (FLAG_WIZ)) {	3439	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3440	$who->message ("reloading server.");
2479		3441	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	3442	}
2493	};	3443	};
2494		3444
2495	unshift @INC, $LIBDIR;	3445	unshift @INC, $LIBDIR;
2496		3446
2497	my $bug_warning = 0;	3447	my $bug_warning = 0;
		3448
		3449	our @WAIT_FOR_TICK;
		3450	our @WAIT_FOR_TICK_BEGIN;
		3451
		3452	sub wait_for_tick {
		3453	return unless $TICK_WATCHER->is_active;
		3454	return if $Coro::current == $Coro::main;
		3455
		3456	my $signal = new Coro::Signal;
		3457	push @WAIT_FOR_TICK, $signal;
		3458	$signal->wait;
		3459	}
		3460
		3461	sub wait_for_tick_begin {
		3462	return unless $TICK_WATCHER->is_active;
		3463	return if $Coro::current == $Coro::main;
		3464
		3465	my $signal = new Coro::Signal;
		3466	push @WAIT_FOR_TICK_BEGIN, $signal;
		3467	$signal->wait;
		3468	}
2498		3469
2499	$TICK_WATCHER = Event->timer (	3470	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3471	reentrant => 0,
2501	parked => 1,	3472	parked => 1,
2502	prio => 0,	3473	prio => 0,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3479	unless ++$bug_warning > 10;
2509	return;	3480	return;
2510	}	3481	}
2511		3482
2512	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2513		3484
2514	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
2515	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2517		3489
2518	$WAIT_FOR_TICK->broadcast;	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
2520		3492	Coro::async_pool {
2521	Event::sweep;	3493	write_runtime
2522	Coro::cede_notself;	3494	or warn "ERROR: unable to write runtime file: $!";
		3495	};
2523		3496	}
2524	# my $AFTER = Event::time;	3497
2525	# warn $AFTER - $NOW;#d#	3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3499	$sig->send;
		3500	}
		3501	while (my $sig = shift @WAIT_FOR_TICK) {
		3502	$sig->send;
		3503	}
		3504
		3505	$NOW = Event::time;
2526		3506
2527	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2529		3509
2530	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2531	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
		3512
		3513	$LOAD = ($NOW - $tick_start) / $TICK;
		3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3515
		3516	_post_tick;
2532	},	3517	},
2533	);	3518	);
2534		3519
2535	{	3520	{
		3521	BDB::min_parallel 8;
2536	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2537	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2538	reentrant => 0,	3524	reentrant => 0,
2539	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2540	poll => 'r',	3526	poll => 'r',
2541	prio => 0,	3527	prio => 0,
2542	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2543	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2544	);	3530	);
2545	BDB::min_parallel 8;
2546		3531
2547	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2548	my $status;	3533	my $status;
2549	my $current = $Coro::current;	3534	my $current = $Coro::current;
2550	(	3535	(
…		…
2559	)	3544	)
2560	};	3545	};
2561		3546
2562	unless ($DB_ENV) {	3547	unless ($DB_ENV) {
2563	$DB_ENV = BDB::db_env_create;	3548	$DB_ENV = BDB::db_env_create;
		3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3550	| BDB::LOG_AUTOREMOVE, 1);
		3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2564		3553
2565	cf::sync_job {	3554	cf::sync_job {
2566	eval {	3555	eval {
2567	BDB::db_env_open	3556	BDB::db_env_open
2568	$DB_ENV,	3557	$DB_ENV,
2569	$BDB_ENV_DIR,	3558	$BDBDIR,
2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	3561	0666;
2573		3562
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575
2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577	$DB_ENV->set_lk_detect;
2578	};	3564	};
2579		3565
2580	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2581	};	3567	};
2582	}	3568	}
		3569
		3570	$BDB_DEADLOCK_WATCHER = Event->timer (
		3571	after => 3,
		3572	interval => 1,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2583	}	3600	}
2584		3601
2585	{	3602	{
2586	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2587		3604
2588	undef $Coro::AIO::WATCHER;	3605	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	3606	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	3607	$AIO_POLL_WATCHER = Event->io (
2591	reentrant => 0,	3608	reentrant => 0,
		3609	data => WF_AUTOCANCEL,
2592	fd => IO::AIO::poll_fileno,	3610	fd => IO::AIO::poll_fileno,
2593	poll => 'r',	3611	poll => 'r',
2594	prio => 6,	3612	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,	3613	cb => \&IO::AIO::poll_cb,
2597	);	3614	);
2598	}	3615	}
2599		3616
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	3617	my $_log_backtrace;
2601	reentrant => 0,	3618
2602	data => WF_AUTOCANCEL,	3619	sub _log_backtrace {
2603	after => 1,	3620	my ($msg, @addr) = @_;
2604	interval => 10,	3621
2605	prio => 6, # keep it lowest so it acts like a watchdog	3622	$msg =~ s/\n//;
2606	cb => Coro::unblock_sub {	3623
2607	write_runtime	3624	# limit the # of concurrent backtraces
2608	or warn "ERROR: unable to write runtime file: $!";	3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
		3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
2609	},	3652	}
2610	);	3653	}
		3654
		3655	# load additional modules
		3656	use cf::pod;
2611		3657
2612	END { cf::emergency_save }	3658	END { cf::emergency_save }
2613		3659
2614	1	3660	1
2615		3661

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