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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use Event;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.1 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	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
35		42
36	$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
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	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(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		83
65	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	88	our $DB_ENV;
67		89
68	our %CFG;	90	our %CFG;
69		91
70	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	93	our $RUNTIME;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	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
119	every server tick.	136	every server tick.
120		137
121	=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
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	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.
133		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	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
142	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
143	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.
144	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.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		206
169	# 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
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$Event::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$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;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
220		258
221	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	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
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($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#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
290		415
291	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
319	Coro::cede or Event::one_event;	452	Event::one_event;
320	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
321		462
322	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
323	} else {	464	} else {
324	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
325		466
…		…
345	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
346		487
347	$coro	488	$coro
348	}	489	}
349		490
350	sub write_runtime {	491	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		492
353	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
354		497
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
356	or return;
357		499
358	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		502
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
363	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
364		506
365	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	508	reset_signals;
367	and return;	509	&$cb
		510	}, @args;
368		511
369	close $fh	512	wantarray ? @res : $res[-1]
370	or return;	513	}
371		514
372	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
373	and return;
374		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
375	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
376	}	640	}
377		641
378	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
379		643
380	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
400		664
401	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	667	Crossfire TRT).
404		668
405	=over 4	669	=over 4
406		670
407	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
408		672
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
572		836
573	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		841
578	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	843	my $pkg = shift @arg;
580		844
581	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
611	}	875	}
612		876
613	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
614	} else {	878	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	880	}
617		881
618	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
619	}	883	}
620		884
…		…
622	if (ref $_[0]) {	886	if (ref $_[0]) {
623	_object_attach @_;	887	_object_attach @_;
624	} else {	888	} else {
625	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
626	}	890	}
		891	_recalc_want;
627	};	892	};
628		893
629	# all those should be optimised	894	# all those should be optimised
630	sub cf::attachable::detach {	895	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
635	reattach ($obj);	900	reattach ($obj);
636	} else {	901	} else {
637	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
638	}	903	}
		904	_recalc_want;
639	};	905	};
640		906
641	sub cf::attachable::attached {	907	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
643		909
…		…
658	";	924	";
659	die if $@;	925	die if $@;
660	}	926	}
661		927
662	our $override;	928	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		930
665	sub override {	931	sub override {
666	$override = 1;	932	$override = 1;
667	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
668	}	934	}
669		935
670	sub do_invoke {	936	sub do_invoke {
671	my $event = shift;	937	my $event = shift;
672	my $callbacks = shift;	938	my $callbacks = shift;
673		939
674	@invoke_results = ();	940	@INVOKE_RESULTS = ();
675		941
676	local $override;	942	local $override;
677		943
678	for (@$callbacks) {	944	for (@$callbacks) {
679	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
696		962
697	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
698		964
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		968
703	=back	969	=back
704		970
705	=cut	971	=cut
706		972
707	#############################################################################	973	#############################################################################
708	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
709		1017
710	sub reattach {	1018	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1020	my ($obj) = @_;
713		1021
…		…
760	sub object_freezer_save {	1068	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
762		1070
763	sync_job {	1071	sync_job {
764	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
767		1076
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1081	close $fh;
773		1082
774	if (@$objs) {	1083	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1089	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
782	}	1091	}
…		…
790	}	1099	}
791	} else {	1100	} else {
792	aio_unlink $filename;	1101	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
794	}	1103	}
795	}	1104	};
796	}	1105	}
797		1106
798	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
800		1109
…		…
812	or return;	1121	or return;
813		1122
814	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
816	or return;	1125	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };
818	}
819		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
822	return ($data, $av);	1136	($data, $av)
823	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
824		1144
825	#############################################################################	1145	#############################################################################
826	# command handling &c	1146	# command handling &c
827		1147
828	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1162	}
843		1163
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1165
846	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
847		1171
848	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
849	called.	1173	called.
850		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
851	=cut	1186	=cut
852		1187
853	sub register_extcmd {	1188	sub register_extcmd {
854	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
855		1190
856	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
857	}	1198	}
858		1199
859	cf::player->attach (	1200	cf::player->attach (
860	on_command => sub {	1201	on_command => sub {
861	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1211	cf::override;
871	},	1212	},
872	on_extcmd => sub {	1213	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
874		1215
875	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1217
877	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
883	} else {	1233	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1235	}
886		1236
887	cf::override;	1237	cf::override;
888	},	1238	},
889	);	1239	);
890		1240
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
926	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1246	next unless -r $path;
928	eval {	1247
929	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
930	1	1305	}
931	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
932	}	1311	};
933	}	1312	}
934		1313
935	#############################################################################	1314	#############################################################################
936		1315
		1316	=back
		1317
937	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
938		1319
939	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
940		1321
941	=cut	1322	=cut
…		…
946		1327
947	=head3 cf::player	1328	=head3 cf::player
948		1329
949	=over 4	1330	=over 4
950		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
951	=item cf::player::find $login	1346	=item cf::player::find $login
952		1347
953	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
954		1349
955	=cut	1350	=cut
956		1351
957	sub playerdir($) {	1352	sub playerdir($) {
958	cf::localdir	1353	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1355	}
964		1356
965	sub path($) {	1357	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1359
968	(playerdir $login) . "/$login.pl"	1360	(playerdir $login) . "/playerdata"
969	}	1361	}
970		1362
971	sub find_active($) {	1363	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1364	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1365	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1378	my $login = $_[0];
987		1379
988	my $guard = cf::lock_acquire "user_find:$login";	1380	my $guard = cf::lock_acquire "user_find:$login";
989		1381
990	$cf::PLAYER{$_[0]} || do {	1382	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1383	# rename old playerfiles to new ones
		1384	#TODO: remove when no longer required
		1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1388	aio_unlink +(playerdir $login) . "/$login.pl";
		1389
		1390	my $f = new_from_file cf::object::thawer path $login
992	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
994	}	1398	}
995	}	1399	}
996	}	1400	}
997		1401
…		…
1007		1411
1008	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1010		1414
1011	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1012	Coro::cede;	1416	cf::cede_to_tick;
1013	}	1417	}
1014		1418
1015	sub new($) {	1419	sub new($) {
1016	my ($login) = @_;	1420	my ($login) = @_;
1017		1421
…		…
1021	$self->{deny_save} = 1;	1425	$self->{deny_save} = 1;
1022		1426
1023	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1024		1428
1025	$self	1429	$self
		1430	}
		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
1026	}	1440	}
1027		1441
1028	=item $pl->quit_character	1442	=item $pl->quit_character
1029		1443
1030	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1080		1494
1081	=cut	1495	=cut
1082		1496
1083	sub list_logins {	1497	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1499	or return [];
1086		1500
1087	my @logins;	1501	my @logins;
1088		1502
1089	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1093		1512
1094	utf8::decode $login;	1513	utf8::decode $login;
1095	push @logins, $login;	1514	push @logins, $login;
1096	}	1515	}
1097		1516
…		…
1124	}	1543	}
1125		1544
1126	\@paths	1545	\@paths
1127	}	1546	}
1128		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1129	=item $player->ext_reply ($msgid, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1130		1600
1131	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1132		1602
1133	=cut	1603	=cut
1134		1604
1135	sub ext_reply($$%) {	1605	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1137		1607
1138	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1609	}
1142		1610
1143	=item $player->ext_event ($type, %msg)	1611	=item $player->ext_msg ($type, @msg)
1144		1612
1145	Sends an ext event to the client.	1613	Sends an ext event to the client.
1146		1614
1147	=cut	1615	=cut
1148		1616
1149	sub ext_event($$%) {	1617	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1618	my ($self, $type, @msg) = @_;
1151		1619
1152	$self->ns->ext_event ($type, %msg);	1620	$self->ns->ext_msg ($type, @msg);
1153	}	1621	}
1154		1622
1155	package cf;	1623	=head3 cf::region
		1624
		1625	=over 4
		1626
		1627	=cut
		1628
		1629	package cf::region;
		1630
		1631	=item cf::region::find_by_path $path
		1632
		1633	Tries to decuce the likely region for a map knowing only its path.
		1634
		1635	=cut
		1636
		1637	sub find_by_path($) {
		1638	my ($path) = @_;
		1639
		1640	my ($match, $specificity);
		1641
		1642	for my $region (list) {
		1643	if ($region->{match} && $path =~ $region->{match}) {
		1644	($match, $specificity) = ($region, $region->specificity)
		1645	if $region->specificity > $specificity;
		1646	}
		1647	}
		1648
		1649	$match
		1650	}
1156		1651
1157	=back	1652	=back
1158
1159		1653
1160	=head3 cf::map	1654	=head3 cf::map
1161		1655
1162	=over 4	1656	=over 4
1163		1657
…		…
1218	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1219		1713
1220	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1221	local $self->{path};	1715	local $self->{path};
1222	local $self->{load_path};	1716	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1717
1226	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1227	}	1719	}
1228		1720
1229	sub normalise {	1721	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1277	return $self;	1769	return $self;
1278	}	1770	}
1279	}	1771	}
1280		1772
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1774	()
1283	}	1775	}
1284		1776
1285	sub init {	1777	sub init {
1286	my ($self) = @_;	1778	my ($self) = @_;
…		…
1301		1793
1302	# the original (read-only) location	1794	# the original (read-only) location
1303	sub load_path {	1795	sub load_path {
1304	my ($self) = @_;	1796	my ($self) = @_;
1305		1797
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1798	"$MAPDIR/$self->{path}.map"
1307	}	1799	}
1308		1800
1309	# the temporary/swap location	1801	# the temporary/swap location
1310	sub save_path {	1802	sub save_path {
1311	my ($self) = @_;	1803	my ($self) = @_;
1312		1804
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1806	"$TMPDIR/$path.map"
1315	}	1807	}
1316		1808
1317	# the unique path, undef == no special unique path	1809	# the unique path, undef == no special unique path
1318	sub uniq_path {	1810	sub uniq_path {
1319	my ($self) = @_;	1811	my ($self) = @_;
1320		1812
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1814	"$UNIQUEDIR/$path"
1323	}	1815	}
1324		1816
1325	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1326	# all maps in C++...	1818	# all maps in C++...
1327	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1329		1821
1330	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1332	}	1824	}
1333		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1334	sub unlink_save {	1834	sub unlink_save {
1335	my ($self) = @_;	1835	my ($self) = @_;
1336		1836
1337	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1841
1342	sub load_header_from($) {	1842	sub load_header_from($) {
1343	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1344		1844
1345	utf8::encode $path;	1845	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1351		1854
1352	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1353		1856
1354	1	1857	1
1355	}	1858	}
…		…
1394	$self->load_header_orig	1897	$self->load_header_orig
1395	or return;	1898	or return;
1396	$self->prepare_orig;	1899	$self->prepare_orig;
1397	}	1900	}
1398		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
		1905	$self->default_region (cf::region::find_by_path $self->{path})
		1906	unless $self->default_region;
		1907
1399	1	1908	1
1400	}	1909	}
1401		1910
1402	sub find;	1911	sub find;
1403	sub find {	1912	sub find {
1404	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1405		1914
1406	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1407		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1409		1919
1410	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1412	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1413	or return;	1925	or return;
1414		1926
1415	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1416		1928
1417	$map->load_header	1929	$map->load_header
1418	or return;	1930	or return;
1419		1931
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1423	$map->reset;	1937	$map->reset;
1424	undef $guard;
1425	return find $path;	1938	return find $path;
1426	}	1939	}
1427		1940
1428	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1429	}	1942	}
…		…
1436	my ($self) = @_;	1949	my ($self) = @_;
1437		1950
1438	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1439		1952
1440	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1442		1957
		1958	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		1960
1445	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1446		1962
1447	$self->alloc;	1963	$self->alloc;
1448		1964
1449	$self->pre_load;	1965	$self->pre_load;
		1966	cf::cede_to_tick;
1450		1967
1451	$self->_load_objects ($self->{load_path}, 1)	1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1452	or return;	1971	or return;
1453		1972
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};	1974	if delete $self->{load_original};
1456		1975
1457	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	1977	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	1980	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1462	}	1984	}
1463	}	1985	}
1464		1986
1465	Coro::cede;	1987	$f->resolve_delayed_derefs;
1466		1988
		1989	cf::cede_to_tick;
1467	# now do the right thing for maps	1990	# now do the right thing for maps
1468	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	1993	unless $self->difficulty;
1478	Coro::cede;	1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1479	$self->activate;	2003	$self->activate;
		2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
		2009	$self->in_memory (cf::MAP_IN_MEMORY);
1480	}	2010	}
1481		2011
1482	$self->post_load;	2012	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2013	}
1486		2014
1487	sub customise_for {	2015	sub customise_for {
1488	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1489		2017
1490	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2019	if $self->per_player;
1492		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1493	$self	2024	$self
1494	}	2025	}
1495		2026
1496	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2028	sub load_neighbours {
1498	my ($map) = @_;	2029	my ($map) = @_;
1499		2030
1500	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1501		2032
1502	for (0 .. 3) {	2033	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1504	or next;	2035	or next;
1505	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1506	or next;	2037	or next;
1507	$neigh->load;	2038	$neigh->load;
1508		2039
		2040	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2043	}
1512		2044
1513	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1515	or next;	2048	or next;
1516	$neigh->load;	2049	$neigh->load;
1517	}	2050	}
1518	}	2051	}
1519		2052
…		…
1524	}	2057	}
1525		2058
1526	sub do_load_sync {	2059	sub do_load_sync {
1527	my ($map) = @_;	2060	my ($map) = @_;
1528		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1529	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1530	}	2066	}
1531		2067
1532	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1534		2070
1535	sub find_async {	2071	sub find_async {
1536	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1537		2073
1538	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1539		2075
1540	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1542	}	2078	}
1543		2079
1544	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1545	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1546	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2087	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2088	$map->load if $v;
		2089	}
1551		2090
1552	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1553	}	2092	}
1554	}	2093	}
1555	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1556	};	2095	};
1557	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2099	}
1561		2100
1562	sub save {	2101	sub save {
1563	my ($self) = @_;	2102	my ($self) = @_;
1564		2103
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2105
1567	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1568		2107
1569	return unless $self->dirty;	2108	return unless $self->dirty;
1570		2109
…		…
1576	return if $self->{deny_save};	2115	return if $self->{deny_save};
1577		2116
1578	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1579		2118
1580	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1582	};	2122	};
1583		2123
1584	if ($uniq) {	2124	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1593	my ($self) = @_;	2133	my ($self) = @_;
1594		2134
1595	# save first because save cedes	2135	# save first because save cedes
1596	$self->save;	2136	$self->save;
1597		2137
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2139
1600	return if $self->players;	2140	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};	2142	return if $self->{deny_save};
1603		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2148	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2149	}
1607		2150
1608	sub reset_at {	2151	sub reset_at {
1609	my ($self) = @_;	2152	my ($self) = @_;
1610		2153
1611	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1614		2156
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2159
…		…
1628	my ($self) = @_;	2170	my ($self) = @_;
1629		2171
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2173
1632	return if $self->players;	2174	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2175
1635	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
1636		2177
1637	$self->in_memory (cf::MAP_SWAPPED);	2178	$self->in_memory (cf::MAP_SWAPPED);
1638		2179
1639	# need to save uniques path	2180	# need to save uniques path
1640	unless ($self->{deny_save}) {	2181	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2185	if $uniq;
1645	}	2186	}
1646		2187
1647	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1648		2189
		2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2192	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2193
1653	$self->unlink_save;	2194	$self->unlink_save;
1654	$self->destroy;	2195	$self->destroy;
1655	}	2196	}
1656		2197
1657	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1658		2199
1659	sub nuke {	2200	sub nuke {
1660	my ($self) = @_;	2201	my ($self) = @_;
1661		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1662	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1663		2207
1664	$self->unlink_save;	2208	$self->unlink_save;
1665		2209
1666	bless $self, "cf::map";	2210	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2215
1672	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1673		2218
1674	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1675	}	2256	}
1676		2257
1677	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1678		2259
1679	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2261	instantiated unique items. May block.
1681		2262
1682	=cut	2263	=cut
1683		2264
1684	sub unique_maps() {	2265	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2266	[
1686	or return;	2267	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2268	utf8::decode $_;
1692	next if /\.pst$/;	2269	/\.map$/
1693	next unless /^$PATH_SEP/o;	2270	? normalise $_
1694		2271	: ()
1695	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2273	]
1697
1698	\@paths
1699	}	2274	}
1700		2275
1701	package cf;	2276	package cf;
1702		2277
1703	=back	2278	=back
…		…
1721	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1722	}	2297	}
1723		2298
1724	sub inv_recursive {	2299	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1726	}	2329	}
1727		2330
1728	package cf;	2331	package cf;
1729		2332
1730	=back	2333	=back
…		…
1749		2352
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2354
1752	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1754	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1757	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1758	}	2380	}
1759		2381
1760	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1761		2383
1762	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1810		2432
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2434
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1815		2437
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2439	}
1818		2440
1819	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1821		2445
1822	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1823		2447
1824	unless ($map) {	2448	unless ($map) {
1825	# restore original map position	2449	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1842		2466
1843	$map->load;	2467	$map->load;
1844	$map->load_diag;	2468	$map->load_neighbours;
1845		2469
1846	return unless $self->contr->active;	2470	return unless $self->contr->active;
1847	$self->activate_recursive;	2471	$self->activate_recursive;
1848		2472
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1851	}	2475	}
1852		2476
1853	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2478
1857	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1861	};	2483	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2484
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1888		2488
1889	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2494
1892	$self->enter_link;	2495	$self->enter_link;
1893		2496
1894	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1895	my $map = eval {	2519	my $map = eval {
1896	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
		2524	$map = $check->($map) if $check && $map;
		2525	} else {
		2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
		2528
1898	$map	2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2535	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1903	})->prio (1);	2543	})->prio (1);
1904	}	2544	}
1905		2545
1906	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1907		2547
…		…
1946		2586
1947	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1948		2588
1949	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2591	my $meta = "$RANDOMDIR/$md5.meta";
1952		2592
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2595	undef $fh;
1956	aio_rename "$meta~", $meta;	2596	aio_rename "$meta~", $meta;
…		…
1976	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
1977	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
1978		2618
1979	$self->enter_link;	2619	$self->enter_link;
1980		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
1981	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
1982	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
1983	unless (eval {	2629	unless (eval {
1984	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
1985		2631
1986	1;	2632	1;
…		…
2012		2658
2013	utf8::encode $text;	2659	utf8::encode $text;
2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2015	}	2661	}
2016		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
2017	=item $client->ext_event ($type, %msg)	2756	=item $client->ext_msg ($type, @msg)
2018		2757
2019	Sends an exti event to the client.	2758	Sends an ext event to the client.
2020		2759
2021	=cut	2760	=cut
2022		2761
2023	sub cf::client::ext_event($$%) {	2762	sub cf::client::ext_msg($$@) {
2024	my ($self, $type, %msg) = @_;	2763	my ($self, $type, @msg) = @_;
2025		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
2026	$msg{msgtype} = "event_$type";	2768	push @msg, msgtype => "event_$type";
2027	$self->send_packet ("ext " . cf::to_json \%msg);	2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
2028	}	2789	}
2029		2790
2030	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
2031		2792
2032	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2034	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2035		2796
2036	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
2037	reliable at some point in the future.	2798	become reliable at some point in the future.
2038		2799
2039	=cut	2800	=cut
2040		2801
2041	sub cf::client::query {	2802	sub cf::client::query {
2042	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
2050	utf8::encode $text;	2811	utf8::encode $text;
2051	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2052		2813
2053	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2054	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2055	}	2818	}
2056		2819
2057	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2058	on_reply => sub {	2826	on_reply => sub {
2059	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2060		2828
2061	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2062	# get handled first	2830	# get handled first
…		…
2074	} else {	2842	} else {
2075	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2076	}	2844	}
2077	}	2845	}
2078	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2079	);	2873	);
2080		2874
2081	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2082		2876
2083	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2124	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2125	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2126		2920
2127	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2128		2922
2129	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2130		2928
2131	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2132		2930
2133	=pod	2931	=pod
2134		2932
2135	The following functions and methods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2136		2934
2137	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2138	cf::object::player player	2939	cf::object::player
2139	cf::player peaceful	2940	player
2140	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2141		2947
2142	=cut	2948	=cut
2143		2949
2144	for (	2950	for (
2145	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2146	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2147	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2148	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2149	) {	2957	) {
2150	no strict 'refs';	2958	no strict 'refs';
…		…
2221	=back	3029	=back
2222		3030
2223	=cut	3031	=cut
2224		3032
2225	#############################################################################	3033	#############################################################################
2226
2227	=head2 EXTENSION DATABASE SUPPORT
2228
2229	Crossfire maintains a very simple database for extension use. It can
2230	currently store anything that can be serialised using Storable, which
2231	excludes objects.
2232
2233	The parameter C<$family> should best start with the name of the extension
2234	using it, it should be unique.
2235
2236	=over 4
2237
2238	=item $value = cf::db_get $family => $key
2239
2240	Returns a single value from the database.
2241
2242	=item cf::db_put $family => $key => $value
2243
2244	Stores the given C<$value> in the family.
2245
2246	=cut
2247
2248	our $DB;
2249
2250	sub db_init {
2251	unless ($DB) {
2252	$DB = BDB::db_create $DB_ENV;
2253
2254	cf::sync_job {
2255	eval {
2256	$DB->set_flags (BDB::CHKSUM);
2257
2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260	cf::cleanup "db_open(db): $!" if $!;
2261	};
2262	cf::cleanup "db_open(db): $@" if $@;
2263	};
2264
2265	my $path = cf::localdir . "/database.pst";
2266	if (stat $path) {
2267	cf::sync_job {
2268	my $pst = Storable::retrieve $path;
2269
2270	cf::db_put (board => data => $pst->{board});
2271	cf::db_put (guildrules => data => $pst->{guildrules});
2272	cf::db_put (rent => balance => $pst->{rent}{balance});
2273	BDB::db_env_txn_checkpoint $DB_ENV;
2274
2275	unlink $path;
2276	};
2277	}
2278	}
2279	}
2280
2281	sub db_get($$) {
2282	my $key = "$_[0]/$_[1]";
2283
2284	cf::sync_job {
2285	BDB::db_get $DB, undef, $key, my $data;
2286
2287	$! ? ()
2288	: Compress::LZF::sthaw $data
2289	}
2290	}
2291
2292	sub db_put($$$) {
2293	BDB::dbreq_pri 4;
2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295	}
2296
2297	#############################################################################
2298	# the server's init and main functions	3034	# the server's init and main functions
2299		3035
2300	sub load_facedata {	3036	sub load_facedata($) {
2301	my $path = sprintf "%s/facedata", cf::datadir;	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2302		3044
2303	warn "loading facedata from $path\n";	3045	warn "loading facedata from $path\n";
2304		3046
2305	my $faces;	3047	my $facedata;
2306	0 < aio_load $path, $faces	3048	0 < aio_load $path, $facedata
2307	or die "$path: $!";	3049	or die "$path: $!";
2308		3050
2309	Coro::cede;
2310	$faces = Storable::thaw $faces;	3051	$facedata = Coro::Storable::thaw $facedata;
2311	Coro::cede;
2312		3052
2313	my $meta = delete $faces->{""};
2314	$meta->{version} == 1	3053	$facedata->{version} == 2
2315	or cf::cleanup "$path: version mismatch, cannot proceed.";	3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2316		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
		3063	{
		3064	my $faces = $facedata->{faceinfo};
		3065
2317	while (my ($face, $info) = each %$faces) {	3066	while (my ($face, $info) = each %$faces) {
2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2322	Coro::cede;
2323	}
2324		3072
		3073	cf::cede_to_tick;
		3074	}
		3075
2325	while (my ($face, $info) = each %$faces) {	3076	while (my ($face, $info) = each %$faces) {
2326	next unless $info->{smooth};	3077	next unless $info->{smooth};
2327	my $idx = cf::face::find $face	3078	my $idx = cf::face::find $face
2328	or next;	3079	or next;
2329	if (my $smooth = cf::face::find $info->{smooth}) {	3080	if (my $smooth = cf::face::find $info->{smooth}) {
2330	cf::face::set_smooth $idx, $smooth;	3081	cf::face::set_smooth $idx, $smooth;
		3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2331	} else {	3083	} else {
2332	warn "smooth face '$info->{smooth}' not found for face '$face'";	3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
2333	}	3085	}
2334	Coro::cede;	3086
		3087	cf::cede_to_tick;
		3088	}
		3089	}
		3090
		3091	{
		3092	my $anims = $facedata->{animinfo};
		3093
		3094	while (my ($anim, $info) = each %$anims) {
		3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3096	cf::cede_to_tick;
		3097	}
		3098
		3099	cf::anim::invalidate_all; # d'oh
		3100	}
		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
2335	}	3149	}
2336		3150
2337	1	3151	1
2338	}	3152	}
2339		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
		3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
		3181	sub reload_archetypes {
		3182	load_resource_file "$DATADIR/archetypes"
		3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	}
		3190
		3191	sub reload_treasures {
		3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
		3194	}
		3195
2340	sub reload_resources {	3196	sub reload_resources {
2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3197	warn "reloading resource files...\n";
2342	or die "unable to load regions file\n";#d#	3198
		3199	reload_regions;
2343	load_facedata	3200	reload_facedata;
2344	or die "unable to load facedata\n";#d#	3201	#reload_archetypes;#d#
		3202	reload_archetypes;
		3203	reload_treasures;
		3204
		3205	warn "finished reloading resource files\n";
2345	}	3206	}
2346		3207
2347	sub init {	3208	sub init {
2348	reload_resources;	3209	reload_resources;
2349	}	3210	}
2350		3211
2351	sub cfg_load {	3212	sub reload_config {
2352	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2353	or return;	3214	or return;
2354		3215
2355	local $/;	3216	local $/;
2356	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2357		3218
…		…
2372	sub main {	3233	sub main {
2373	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2374	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2376	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2377	Event::one_event;	3239	Event::one_event;
2378	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2379	};	3241	};
2380		3242
2381	cfg_load;	3243	reload_config;
2382	db_init;	3244	db_init;
2383	load_extensions;	3245	load_extensions;
2384		3246
2385	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2386	Event::loop;	3248	Event::loop;
…		…
2402	},	3264	},
2403	);	3265	);
2404	}	3266	}
2405	}	3267	}
2406		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2407	sub emergency_save() {	3307	sub emergency_save() {
2408	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2409		3309
2410	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2411		3311
…		…
2415	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2416	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2417	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2418	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2419	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2420	$pl->save;	3321	$pl->save;
2421	}	3322	}
2422	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2423		3324
2424	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2442		3343
2443	warn Carp::longmess "post_cleanup backtrace"	3344	warn Carp::longmess "post_cleanup backtrace"
2444	if $make_core;	3345	if $make_core;
2445	}	3346	}
2446		3347
2447	sub reload() {	3348	sub do_reload_perl() {
2448	# can/must only be called in main	3349	# can/must only be called in main
2449	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2450	warn "can only reload from main coroutine";	3351	warn "can only reload from main coroutine";
2451	return;	3352	return;
2452	}	3353	}
…		…
2472		3373
2473	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2474	for (;;) {	3375	for (;;) {
2475	BDB::flush;	3376	BDB::flush;
2476	IO::AIO::flush;	3377	IO::AIO::flush;
2477	Coro::cede;	3378	Coro::cede_notself;
2478	last unless IO::AIO::nreqs || BDB::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2479	warn "iterate...";	3380	warn "iterate...";
2480	}	3381	}
2481		3382
2482	++$RELOAD;	3383	++$RELOAD;
…		…
2486	%EXT_CORO = ();	3387	%EXT_CORO = ();
2487		3388
2488	warn "removing commands";	3389	warn "removing commands";
2489	%COMMAND = ();	3390	%COMMAND = ();
2490		3391
2491	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2492	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2493		3395
2494	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2495	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2496	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2497		3399
…		…
2527	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2529		3431
2530	warn "unloading cf.pm \"a bit\"";	3432	warn "unloading cf.pm \"a bit\"";
2531	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2532		3435
2533	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2534	# and global variables created in xs	3437	# and global variables created in xs
2535	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2536		3439
…		…
2539	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2540	require cf;	3443	require cf;
2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2542		3445
2543	warn "loading config and database again";	3446	warn "loading config and database again";
2544	cf::cfg_load;	3447	cf::reload_config;
2545		3448
2546	warn "loading extensions";	3449	warn "loading extensions";
2547	cf::load_extensions;	3450	cf::load_extensions;
2548		3451
2549	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
…		…
2551	warn "reattaching attachments to maps";	3454	warn "reattaching attachments to maps";
2552	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
2553	warn "reattaching attachments to players";	3456	warn "reattaching attachments to players";
2554	reattach $_ for values %PLAYER;	3457	reattach $_ for values %PLAYER;
2555		3458
2556	warn "loading reloadable resources";
2557	reload_resources;
2558
2559	warn "leaving sync_job";	3459	warn "leaving sync_job";
2560		3460
2561	1	3461	1
2562	} or do {	3462	} or do {
2563	warn $@;	3463	warn $@;
…		…
2568	warn "reloaded";	3468	warn "reloaded";
2569	};	3469	};
2570		3470
2571	our $RELOAD_WATCHER; # used only during reload	3471	our $RELOAD_WATCHER; # used only during reload
2572		3472
		3473	sub reload_perl() {
		3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
		3476
		3477	$RELOAD_WATCHER ||= Event->timer (
		3478	reentrant => 0,
		3479	after => 0,
		3480	data => WF_AUTOCANCEL,
		3481	cb => sub {
		3482	do_reload_perl;
		3483	undef $RELOAD_WATCHER;
		3484	},
		3485	);
		3486	}
		3487
2573	register_command "reload" => sub {	3488	register_command "reload" => sub {
2574	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2575		3490
2576	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2577	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
2578		3493	async {
2579	# doing reload synchronously and two reloads happen back-to-back,	3494	$Coro::current->{desc} = "perl_reload";
2580	# coro crashes during coro_state_free->destroy here.
2581
2582	$RELOAD_WATCHER ||= Event->timer (
2583	reentrant => 0,
2584	after => 0,
2585	data => WF_AUTOCANCEL,
2586	cb => sub {
2587	reload;	3495	reload_perl;
2588	undef $RELOAD_WATCHER;
2589	},
2590	);	3496	};
2591	}	3497	}
2592	};	3498	};
2593		3499
2594	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2595		3501
2596	my $bug_warning = 0;	3502	my $bug_warning = 0;
		3503
		3504	our @WAIT_FOR_TICK;
		3505	our @WAIT_FOR_TICK_BEGIN;
		3506
		3507	sub wait_for_tick {
		3508	return unless $TICK_WATCHER->is_active;
		3509	return if $Coro::current == $Coro::main;
		3510
		3511	my $signal = new Coro::Signal;
		3512	push @WAIT_FOR_TICK, $signal;
		3513	$signal->wait;
		3514	}
		3515
		3516	sub wait_for_tick_begin {
		3517	return unless $TICK_WATCHER->is_active;
		3518	return if $Coro::current == $Coro::main;
		3519
		3520	my $signal = new Coro::Signal;
		3521	push @WAIT_FOR_TICK_BEGIN, $signal;
		3522	$signal->wait;
		3523	}
2597		3524
2598	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2599	reentrant => 0,	3526	reentrant => 0,
2600	parked => 1,	3527	parked => 1,
2601	prio => 0,	3528	prio => 0,
…		…
2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607	unless ++$bug_warning > 10;	3534	unless ++$bug_warning > 10;
2608	return;	3535	return;
2609	}	3536	}
2610		3537
2611	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2612		3539
2613	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
		3541
2614	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2615	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2616		3544
2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2619	Coro::async_pool {	3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
2620	write_runtime	3549	write_runtime
2621	or warn "ERROR: unable to write runtime file: $!";	3550	or warn "ERROR: unable to write runtime file: $!";
2622	};	3551	};
2623	}	3552	}
2624		3553
2625	$WAIT_FOR_TICK->broadcast;	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
2627		3560
2628	# my $AFTER = Event::time;	3561	$NOW = Event::time;
2629	# warn $AFTER - $NOW;#d#
2630		3562
2631	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2633		3565
2634	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2635	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
		3568
		3569	$LOAD = ($NOW - $tick_start) / $TICK;
		3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3571
		3572	_post_tick;
2636	},	3573	},
2637	);	3574	);
2638		3575
2639	{	3576	{
		3577	BDB::min_parallel 8;
2640	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2641	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2642	reentrant => 0,	3580	reentrant => 0,
2643	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2644	poll => 'r',	3582	poll => 'r',
2645	prio => 0,	3583	prio => 0,
2646	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2647	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2648	);	3586	);
2649	BDB::min_parallel 8;
2650		3587
2651	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2652	my $status;	3589	my $status;
2653	my $current = $Coro::current;	3590	my $current = $Coro::current;
2654	(	3591	(
…		…
2663	)	3600	)
2664	};	3601	};
2665		3602
2666	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2667	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2668		3609
2669	cf::sync_job {	3610	cf::sync_job {
2670	eval {	3611	eval {
2671	BDB::db_env_open	3612	BDB::db_env_open
2672	$DB_ENV,	3613	$DB_ENV,
2673	$BDB_ENV_DIR,	3614	$BDBDIR,
2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676	0666;	3617	0666;
2677		3618
2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2679
2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681	$DB_ENV->set_lk_detect;
2682	};	3620	};
2683		3621
2684	cf::cleanup "db_env_open(db): $@" if $@;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2685	};	3623	};
2686	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2687	}	3656	}
2688		3657
2689	{	3658	{
2690	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
2691		3660
…		…
2694	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2695	reentrant => 0,	3664	reentrant => 0,
2696	data => WF_AUTOCANCEL,	3665	data => WF_AUTOCANCEL,
2697	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2698	poll => 'r',	3667	poll => 'r',
2699	prio => 6,	3668	prio => 0,
2700	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2701	);	3670	);
2702	}	3671	}
2703		3672
		3673	my $_log_backtrace;
		3674
		3675	sub _log_backtrace {
		3676	my ($msg, @addr) = @_;
		3677
		3678	$msg =~ s/\n//;
		3679
		3680	# limit the # of concurrent backtraces
		3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
		3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
		3710	}
		3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
		3715
2704	END { cf::emergency_save }	3716	END { cf::emergency_save }
2705		3717
2706	1	3718	1
2707		3719

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