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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
48	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
49	our @EVENT;	62	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		63
52	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(!)
53	our $TICK_WATCHER;	77	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	80	our $NEXT_TICK;
57	our $NOW;	81	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		83
60	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	88	our $DB_ENV;
62		89
63	our %CFG;	90	our %CFG;
64		91
65	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	93	our $RUNTIME;
67		94
68	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		98
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		105
80	binmode STDOUT;	106	binmode STDOUT;
81	binmode STDERR;	107	binmode STDERR;
82		108
83	# read virtual server time, if available	109	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
88	}	114	}
89		115
90	mkdir cf::localdir;	116	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		118
97	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
98		120
99	sub cf::map::normalise;	121	sub cf::map::normalise;
100		122
…		…
111	=item $cf::RUNTIME	133	=item $cf::RUNTIME
112		134
113	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
114	every server tick.	136	every server tick.
115		137
116	=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
117		141
118	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		146
121	=item $cf::NOW	147	=item $cf::NOW
122		148
123	The time of the last (current) server tick.	149	The time of the last (current) server tick.
124		150
125	=item $cf::TICK	151	=item $cf::TICK
126		152
127	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.
128		164
129	=item %cf::CFG	165	=item %cf::CFG
130		166
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	168	from wherever your confdir points to.
133		169
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		171
136	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
137	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
138	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.
139	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.
140		181
141	=back	182	=back
142		183
143	=cut	184	=cut
144		185
145	BEGIN {	186	BEGIN {
146	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	188	my $msg = join "", @_;
148	utf8::encode $msg;
149		189
150	$msg .= "\n"	190	$msg .= "\n"
151	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152		194
153	LOG llevError, $msg;	195	LOG llevError, $msg;
154	};	196	};
155	}	197	}
156		198
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		206
164	# 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
165	# within the Safe compartment.	208	# within the Safe compartment.
166	for my $pkg (qw(	209	for my $pkg (qw(
167	cf::global cf::attachable	210	cf::global cf::attachable
…		…
175	}	218	}
176		219
177	$Event::DIED = sub {	220	$Event::DIED = sub {
178	warn "error in event callback: @_";	221	warn "error in event callback: @_";
179	};	222	};
		223
		224	#############################################################################
180		225
181	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
182		227
183	=over 4	228	=over 4
184		229
…		…
203	$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;
204	$d	249	$d
205	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
206	}	251	}
207		252
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
211		254
212	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
213		256
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
224		260
225	=cut	261	=cut
226		262
227	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
229	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
231		267
232	=item cf::lock_wait $string	268	=item cf::lock_wait $string
233		269
234	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
235		271
…		…
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
241	returned.	277	returned.
242		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
243	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
244	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
245		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
246	=cut	289	=cut
247		290
248	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
249		293
250	sub lock_wait($) {	294	sub lock_wait($) {
251	my ($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#
252		301
253	# wait for lock, if any	302	# wait for lock, if any
254	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	305	Coro::schedule;
…		…
262		311
263	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
264	lock_wait $key;	313	lock_wait $key;
265		314
266	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
267		317
268	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
271	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
272	}	329	}
273		330
274	sub freeze_mainloop {	331	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
276		333
…		…
279	};	336	};
280	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
281	$guard	338	$guard
282	}	339	}
283		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
284	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
285		400
286	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
287	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
288	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.
…		…
291		406
292	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
293		408
294	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
295		410
296	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)
297	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
298	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.
299		415
300	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
301	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
302	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
303	fast or be very important.	419	fast or be very important.
…		…
306		422
307	sub sync_job(&) {	423	sub sync_job(&) {
308	my ($job) = @_;	424	my ($job) = @_;
309		425
310	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
311	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
313		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
314	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	435	# (but this is cancel-safe)
316	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
317		437
318	my $busy = 1;	438	my $busy = 1;
319	my @res;	439	my @res;
320		440
321	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	443	@res = eval { $job->() };
323	warn $@ if $@;	444	warn $@ if $@;
324	undef $busy;	445	undef $busy;
325	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
326		447
327	while ($busy) {	448	while ($busy) {
328	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
329	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
330		458
331	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
332	} else {	460	} else {
333	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
334		462
…		…
354	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
355		483
356	$coro	484	$coro
357	}	485	}
358		486
359	sub write_runtime {	487	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		488
362	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
363		493
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
365	or return;
366		495
367	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		498
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
372	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
373		502
374	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	504	reset_signals;
376	and return;	505	&$cb
		506	}, @args;
377		507
378	close $fh	508	wantarray ? @res : $res[-1]
379	or return;	509	}
380		510
381	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
382	and return;
383		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
384	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	647	}
386		648
387	=back	649	=back
388		650
389	=cut	651	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
398		660
399	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	663	Crossfire TRT).
402		664
403	=over 4	665	=over 4
404		666
405	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
406		668
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
570		832
571	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		837
576	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	839	my $pkg = shift @arg;
578		840
579	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
609	}	871	}
610		872
611	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
612	} else {	874	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	876	}
615		877
616	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
617	}	879	}
618		880
…		…
620	if (ref $_[0]) {	882	if (ref $_[0]) {
621	_object_attach @_;	883	_object_attach @_;
622	} else {	884	} else {
623	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
624	}	886	}
		887	_recalc_want;
625	};	888	};
626		889
627	# all those should be optimised	890	# all those should be optimised
628	sub cf::attachable::detach {	891	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
633	reattach ($obj);	896	reattach ($obj);
634	} else {	897	} else {
635	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
636	}	899	}
		900	_recalc_want;
637	};	901	};
638		902
639	sub cf::attachable::attached {	903	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
641		905
…		…
656	";	920	";
657	die if $@;	921	die if $@;
658	}	922	}
659		923
660	our $override;	924	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		926
663	sub override {	927	sub override {
664	$override = 1;	928	$override = 1;
665	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
666	}	930	}
667		931
668	sub do_invoke {	932	sub do_invoke {
669	my $event = shift;	933	my $event = shift;
670	my $callbacks = shift;	934	my $callbacks = shift;
671		935
672	@invoke_results = ();	936	@INVOKE_RESULTS = ();
673		937
674	local $override;	938	local $override;
675		939
676	for (@$callbacks) {	940	for (@$callbacks) {
677	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
694		958
695	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
696		960
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		964
701	=back	965	=back
702		966
703	=cut	967	=cut
704		968
705	#############################################################################	969	#############################################################################
706	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
707		987
708	sub reattach {	988	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	990	my ($obj) = @_;
711		991
…		…
758	sub object_freezer_save {	1038	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
760		1040
761	sync_job {	1041	sync_job {
762	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
765		1046
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1050	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1051	close $fh;
771		1052
772	if (@$objs) {	1053	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1058	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1059	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
780	}	1061	}
…		…
788	}	1069	}
789	} else {	1070	} else {
790	aio_unlink $filename;	1071	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
792	}	1073	}
793	}	1074	};
794	}	1075	}
795		1076
796	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
798		1079
…		…
810	or return;	1091	or return;
811		1092
812	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
814	or return;	1095	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };
816	}
817		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1104	$decname, length $data, scalar @{$av || []};
		1105
820	return ($data, $av);	1106	($data, $av)
821	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
822		1114
823	#############################################################################	1115	#############################################################################
824	# command handling &c	1116	# command handling &c
825		1117
826	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1132	}
841		1133
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1135
844	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
845		1141
846	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
847	called.	1143	called.
848		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
849	=cut	1156	=cut
850		1157
851	sub register_extcmd {	1158	sub register_extcmd {
852	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
853		1160
854	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
855	}	1168	}
856		1169
857	cf::player->attach (	1170	cf::player->attach (
858	on_command => sub {	1171	on_command => sub {
859	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1181	cf::override;
869	},	1182	},
870	on_extcmd => sub {	1183	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
872		1185
873	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1187
875	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
881	} else {	1203	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1205	}
884		1206
885	cf::override;	1207	cf::override;
886	},	1208	},
887	);	1209	);
888		1210
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1211	sub load_extensions {
		1212	cf::sync_job {
		1213	my %todo;
		1214
924	for my $ext (<$LIBDIR/*.ext>) {	1215	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1216	next unless -r $path;
926	eval {	1217
927	load_extension $ext;	1218	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1219	my $base = $1;
		1220	my $pkg = $1;
		1221	$pkg =~ s/[^[:word:]]/_/g;
		1222	$pkg = "ext::$pkg";
		1223
		1224	open my $fh, "<:utf8", $path
		1225	or die "$path: $!";
		1226
		1227	my $source = do { local $/; <$fh> };
		1228
		1229	my %ext = (
		1230	path => $path,
		1231	base => $base,
		1232	pkg => $pkg,
		1233	);
		1234
		1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1237
		1238	$ext{source} =
		1239	"package $pkg; use strict; use utf8;\n"
		1240	. "#line 1 \"$path\"\n{\n"
		1241	. $source
		1242	. "\n};\n1";
		1243
		1244	$todo{$base} = \%ext;
		1245	}
		1246
		1247	my %done;
		1248	while (%todo) {
		1249	my $progress;
		1250
		1251	while (my ($k, $v) = each %todo) {
		1252	for (split /,\s*/, $v->{meta}{depends}) {
		1253	goto skip
		1254	unless exists $done{$_};
		1255	}
		1256
		1257	warn "... loading '$k' into '$v->{pkg}'\n";
		1258
		1259	unless (eval $v->{source}) {
		1260	my $msg = $@ ? "$v->{path}: $@\n"
		1261	: "$v->{base}: extension inactive.\n";
		1262
		1263	if (exists $v->{meta}{mandatory}) {
		1264	warn $msg;
		1265	warn "mandatory extension failed to load, exiting.\n";
		1266	exit 1;
		1267	}
		1268
		1269	warn $msg;
		1270	}
		1271
		1272	$done{$k} = delete $todo{$k};
		1273	push @EXTS, $v->{pkg};
		1274	$progress = 1;
928	1	1275	}
929	} or warn "$ext not loaded: $@";	1276
		1277	skip:
		1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1279	unless $progress;
		1280	}
930	}	1281	};
931	}	1282	}
932		1283
933	#############################################################################	1284	#############################################################################
934		1285
		1286	=back
		1287
935	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
936		1289
937	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
938		1291
939	=cut	1292	=cut
…		…
944		1297
945	=head3 cf::player	1298	=head3 cf::player
946		1299
947	=over 4	1300	=over 4
948		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
		1315
949	=item cf::player::find $login	1316	=item cf::player::find $login
950		1317
951	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
952		1319
953	=cut	1320	=cut
954		1321
955	sub playerdir($) {	1322	sub playerdir($) {
956	cf::localdir	1323	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1324	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1325	}
962		1326
963	sub path($) {	1327	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1328	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1329
966	(playerdir $login) . "/$login.pl"	1330	(playerdir $login) . "/playerdata"
967	}	1331	}
968		1332
969	sub find_active($) {	1333	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1334	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1335	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1348	my $login = $_[0];
985		1349
986	my $guard = cf::lock_acquire "user_find:$login";	1350	my $guard = cf::lock_acquire "user_find:$login";
987		1351
988	$cf::PLAYER{$_[0]} || do {	1352	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1353	# rename old playerfiles to new ones
		1354	#TODO: remove when no longer required
		1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1358	aio_unlink +(playerdir $login) . "/$login.pl";
		1359
		1360	my $f = new_from_file cf::object::thawer path $login
990	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
992	}	1368	}
993	}	1369	}
994	}	1370	}
995		1371
…		…
1005		1381
1006	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
1008		1384
1009	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
1010	Coro::cede;	1386	cf::cede_to_tick;
1011	}	1387	}
1012		1388
1013	sub new($) {	1389	sub new($) {
1014	my ($login) = @_;	1390	my ($login) = @_;
1015		1391
…		…
1019	$self->{deny_save} = 1;	1395	$self->{deny_save} = 1;
1020		1396
1021	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1022		1398
1023	$self	1399	$self
		1400	}
		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
1024	}	1410	}
1025		1411
1026	=item $pl->quit_character	1412	=item $pl->quit_character
1027		1413
1028	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1463	while and may block, so not sync_job-capable, ever.
1078		1464
1079	=cut	1465	=cut
1080		1466
1081	sub list_logins {	1467	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1468	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1469	or return [];
1084		1470
1085	my @logins;	1471	my @logins;
1086		1472
1087	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1091		1482
1092	utf8::decode $login;	1483	utf8::decode $login;
1093	push @logins, $login;	1484	push @logins, $login;
1094	}	1485	}
1095		1486
…		…
1122	}	1513	}
1123		1514
1124	\@paths	1515	\@paths
1125	}	1516	}
1126		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1128		1570
1129	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1130		1572
1131	=cut	1573	=cut
1132		1574
1133	sub ext_reply($$$%) {	1575	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1135		1577
1136	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1579	}
1140		1580
1141	package cf;	1581	=item $player->ext_msg ($type, @msg)
		1582
		1583	Sends an ext event to the client.
		1584
		1585	=cut
		1586
		1587	sub ext_msg($$@) {
		1588	my ($self, $type, @msg) = @_;
		1589
		1590	$self->ns->ext_msg ($type, @msg);
		1591	}
		1592
		1593	=head3 cf::region
		1594
		1595	=over 4
		1596
		1597	=cut
		1598
		1599	package cf::region;
		1600
		1601	=item cf::region::find_by_path $path
		1602
		1603	Tries to decuce the likely region for a map knowing only its path.
		1604
		1605	=cut
		1606
		1607	sub find_by_path($) {
		1608	my ($path) = @_;
		1609
		1610	my ($match, $specificity);
		1611
		1612	for my $region (list) {
		1613	if ($region->{match} && $path =~ $region->{match}) {
		1614	($match, $specificity) = ($region, $region->specificity)
		1615	if $region->specificity > $specificity;
		1616	}
		1617	}
		1618
		1619	$match
		1620	}
1142		1621
1143	=back	1622	=back
1144
1145		1623
1146	=head3 cf::map	1624	=head3 cf::map
1147		1625
1148	=over 4	1626	=over 4
1149		1627
…		…
1204	my ($self, $merge) = @_;	1682	my ($self, $merge) = @_;
1205		1683
1206	# we have to keep some variables in memory intact	1684	# we have to keep some variables in memory intact
1207	local $self->{path};	1685	local $self->{path};
1208	local $self->{load_path};	1686	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1687
1212	$self->SUPER::thawer_merge ($merge);	1688	$self->SUPER::thawer_merge ($merge);
1213	}	1689	}
1214		1690
1215	sub normalise {	1691	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1263	return $self;	1739	return $self;
1264	}	1740	}
1265	}	1741	}
1266		1742
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1744	()
1269	}	1745	}
1270		1746
1271	sub init {	1747	sub init {
1272	my ($self) = @_;	1748	my ($self) = @_;
…		…
1287		1763
1288	# the original (read-only) location	1764	# the original (read-only) location
1289	sub load_path {	1765	sub load_path {
1290	my ($self) = @_;	1766	my ($self) = @_;
1291		1767
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1768	"$MAPDIR/$self->{path}.map"
1293	}	1769	}
1294		1770
1295	# the temporary/swap location	1771	# the temporary/swap location
1296	sub save_path {	1772	sub save_path {
1297	my ($self) = @_;	1773	my ($self) = @_;
1298		1774
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1776	"$TMPDIR/$path.map"
1301	}	1777	}
1302		1778
1303	# the unique path, undef == no special unique path	1779	# the unique path, undef == no special unique path
1304	sub uniq_path {	1780	sub uniq_path {
1305	my ($self) = @_;	1781	my ($self) = @_;
1306		1782
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1784	"$UNIQUEDIR/$path"
1309	}	1785	}
1310		1786
1311	# and all this just because we cannot iterate over	1787	# and all this just because we cannot iterate over
1312	# all maps in C++...	1788	# all maps in C++...
1313	sub change_all_map_light {	1789	sub change_all_map_light {
…		…
1315		1791
1316	$_->change_map_light ($change)	1792	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1793	for grep $_->outdoor, values %cf::MAP;
1318	}	1794	}
1319		1795
		1796	sub decay_objects {
		1797	my ($self) = @_;
		1798
		1799	return if $self->{deny_reset};
		1800
		1801	$self->do_decay_objects;
		1802	}
		1803
1320	sub unlink_save {	1804	sub unlink_save {
1321	my ($self) = @_;	1805	my ($self) = @_;
1322		1806
1323	utf8::encode (my $save = $self->save_path);	1807	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1808	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1811
1328	sub load_header_from($) {	1812	sub load_header_from($) {
1329	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1330		1814
1331	utf8::encode $path;	1815	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1817	or return;
		1818
		1819	$self->_load_header ($f)
		1820	or return;
		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
1337		1824
1338	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1339		1826
1340	1	1827	1
1341	}	1828	}
…		…
1380	$self->load_header_orig	1867	$self->load_header_orig
1381	or return;	1868	or return;
1382	$self->prepare_orig;	1869	$self->prepare_orig;
1383	}	1870	}
1384		1871
		1872	$self->{deny_reset} = 1
		1873	if $self->no_reset;
		1874
		1875	$self->default_region (cf::region::find_by_path $self->{path})
		1876	unless $self->default_region;
		1877
1385	1	1878	1
1386	}	1879	}
1387		1880
1388	sub find;	1881	sub find;
1389	sub find {	1882	sub find {
1390	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1391		1884
1392	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1393		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1395		1889
1396	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1398	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1399	or return;	1895	or return;
1400		1896
1401	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1402		1898
1403	$map->load_header	1899	$map->load_header
1404	or return;	1900	or return;
1405		1901
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1903	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1409	$map->reset;	1907	$map->reset;
1410	undef $guard;
1411	return find $path;	1908	return find $path;
1412	}	1909	}
1413		1910
1414	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1415	}	1912	}
…		…
1422	my ($self) = @_;	1919	my ($self) = @_;
1423		1920
1424	local $self->{deny_reset} = 1; # loading can take a long time	1921	local $self->{deny_reset} = 1; # loading can take a long time
1425		1922
1426	my $path = $self->{path};	1923	my $path = $self->{path};
		1924
		1925	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1428		1927
		1928	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1930
1431	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1432		1932
1433	$self->alloc;	1933	$self->alloc;
1434		1934
1435	$self->pre_load;	1935	$self->pre_load;
		1936	cf::cede_to_tick;
1436		1937
1437	$self->_load_objects ($self->{load_path}, 1)	1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
		1940	$self->_load_objects ($f)
1438	or return;	1941	or return;
1439		1942
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	1944	if delete $self->{load_original};
1442		1945
1443	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	1947	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	1950	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1448	}	1954	}
1449	}	1955	}
1450		1956
1451	Coro::cede;	1957	$f->resolve_delayed_derefs;
1452		1958
		1959	cf::cede_to_tick;
1453	# now do the right thing for maps	1960	# now do the right thing for maps
1454	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	1962	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1963	unless $self->difficulty;
1464	Coro::cede;	1964	cf::cede_to_tick;
		1965
		1966	unless ($self->{deny_activate}) {
		1967	$self->decay_objects;
		1968	$self->fix_auto_apply;
		1969	$self->update_buttons;
		1970	cf::cede_to_tick;
		1971	$self->set_darkness_map;
		1972	cf::cede_to_tick;
1465	$self->activate;	1973	$self->activate;
		1974	}
		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
		1978
		1979	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1980	}
1467		1981
1468	$self->post_load;	1982	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1983	}
1472		1984
1473	sub customise_for {	1985	sub customise_for {
1474	my ($self, $ob) = @_;	1986	my ($self, $ob) = @_;
1475		1987
1476	return find "~" . $ob->name . "/" . $self->{path}	1988	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1989	if $self->per_player;
1478		1990
		1991	# return find "?party/" . $ob->name . "/" . $self->{path}
		1992	# if $self->per_party;
		1993
1479	$self	1994	$self
1480	}	1995	}
1481		1996
1482	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	1998	sub load_neighbours {
1484	my ($map) = @_;	1999	my ($map) = @_;
1485		2000
1486	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1487		2002
1488	for (0 .. 3) {	2003	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1490	or next;	2005	or next;
1491	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1492	or next;	2007	or next;
1493	$neigh->load;	2008	$neigh->load;
1494		2009
		2010	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2013	}
1498		2014
1499	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1501	or next;	2018	or next;
1502	$neigh->load;	2019	$neigh->load;
1503	}	2020	}
1504	}	2021	}
1505		2022
…		…
1510	}	2027	}
1511		2028
1512	sub do_load_sync {	2029	sub do_load_sync {
1513	my ($map) = @_;	2030	my ($map) = @_;
1514		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1515	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1516	}	2036	}
1517		2037
1518	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2039	our $MAP_PREFETCHER = undef;
1520		2040
1521	sub find_async {	2041	sub find_async {
1522	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1523		2043
1524	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1525		2045
1526	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2048	}
1529		2049
1530	undef $MAP_PREFETCH{$path};	2050	$MAP_PREFETCH{$path} |= $load;
		2051
1531	$MAP_PREFETCHER ||= cf::async {	2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
1532	while (%MAP_PREFETCH) {	2055	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2056	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2057	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2058	$map->load if $v;
		2059	}
1537		2060
1538	delete $MAP_PREFETCH{$path};	2061	delete $MAP_PREFETCH{$k};
1539	}	2062	}
1540	}	2063	}
1541	undef $MAP_PREFETCHER;	2064	undef $MAP_PREFETCHER;
1542	};	2065	};
1543	$MAP_PREFETCHER->prio (6);	2066	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2069	}
1547		2070
1548	sub save {	2071	sub save {
1549	my ($self) = @_;	2072	my ($self) = @_;
1550		2073
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2075
1553	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1554		2077
1555	return unless $self->dirty;	2078	return unless $self->dirty;
1556		2079
…		…
1562	return if $self->{deny_save};	2085	return if $self->{deny_save};
1563		2086
1564	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1565		2088
1566	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1568	};	2092	};
1569		2093
1570	if ($uniq) {	2094	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2103	my ($self) = @_;
1580		2104
1581	# save first because save cedes	2105	# save first because save cedes
1582	$self->save;	2106	$self->save;
1583		2107
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2109
1586	return if $self->players;	2110	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2112	return if $self->{deny_save};
1589		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2118	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2119	}
1593		2120
1594	sub reset_at {	2121	sub reset_at {
1595	my ($self) = @_;	2122	my ($self) = @_;
1596		2123
1597	# TODO: safety, remove and allow resettable per-player maps	2124	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2125	return 1e99 if $self->{deny_reset};
1600		2126
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2129
…		…
1614	my ($self) = @_;	2140	my ($self) = @_;
1615		2141
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2143
1618	return if $self->players;	2144	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2145
1621	warn "resetting map ", $self->path;#d#	2146	warn "resetting map ", $self->path;
1622		2147
1623	$self->in_memory (cf::MAP_SWAPPED);	2148	$self->in_memory (cf::MAP_SWAPPED);
1624		2149
1625	# need to save uniques path	2150	# need to save uniques path
1626	unless ($self->{deny_save}) {	2151	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2155	if $uniq;
1631	}	2156	}
1632		2157
1633	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1634		2159
		2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2162	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2163
1639	$self->unlink_save;	2164	$self->unlink_save;
1640	$self->destroy;	2165	$self->destroy;
1641	}	2166	}
1642		2167
1643	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1644		2169
1645	sub nuke {	2170	sub nuke {
1646	my ($self) = @_;	2171	my ($self) = @_;
1647		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1648	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1649		2177
1650	$self->unlink_save;	2178	$self->unlink_save;
1651		2179
1652	bless $self, "cf::map";	2180	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2185
1658	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1659		2188
1660	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
		2190	}
		2191
		2192	=item $maps = cf::map::tmp_maps
		2193
		2194	Returns an arrayref with all map paths of currently instantiated and saved
		2195	maps. May block.
		2196
		2197	=cut
		2198
		2199	sub tmp_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $TMPDIR or [] }
		2207	]
		2208	}
		2209
		2210	=item $maps = cf::map::random_maps
		2211
		2212	Returns an arrayref with all map paths of currently instantiated and saved
		2213	random maps. May block.
		2214
		2215	=cut
		2216
		2217	sub random_maps() {
		2218	[
		2219	map {
		2220	utf8::decode $_;
		2221	/\.map$/
		2222	? normalise "?random/$_"
		2223	: ()
		2224	} @{ aio_readdir $RANDOMDIR or [] }
		2225	]
1661	}	2226	}
1662		2227
1663	=item cf::map::unique_maps	2228	=item cf::map::unique_maps
1664		2229
1665	Returns an arrayref of paths of all shared maps that have	2230	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2231	instantiated unique items. May block.
1667		2232
1668	=cut	2233	=cut
1669		2234
1670	sub unique_maps() {	2235	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2236	[
1672	or return;	2237	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2238	utf8::decode $_;
1678	next if /\.pst$/;	2239	/\.map$/
1679	next unless /^$PATH_SEP/o;	2240	? normalise $_
1680		2241	: ()
1681	push @paths, cf::map::normalise $_;	2242	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2243	]
1683
1684	\@paths
1685	}	2244	}
1686		2245
1687	package cf;	2246	package cf;
1688		2247
1689	=back	2248	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2266	map { $_, inv_recursive_ $_->inv } @_
1708	}	2267	}
1709		2268
1710	sub inv_recursive {	2269	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
		2271	}
		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
1712	}	2299	}
1713		2300
1714	package cf;	2301	package cf;
1715		2302
1716	=back	2303	=back
…		…
1735		2322
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2324
1738	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1740	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1743	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1744	}	2350	}
1745		2351
1746	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1747		2353
1748	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2401	$self->deactivate_recursive;
1796		2402
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2403	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2404
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2406	if $self->map && $self->map->{path} ne "{link}";
1801		2407
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2409	}
1804		2410
1805	sub cf::object::player::leave_link {	2411	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2412	my ($self, $map, $x, $y) = @_;
		2413
		2414	return unless $self->contr->active;
1807		2415
1808	my $link_pos = delete $self->{_link_pos};	2416	my $link_pos = delete $self->{_link_pos};
1809		2417
1810	unless ($map) {	2418	unless ($map) {
1811	# restore original map position	2419	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
1828		2436
1829	$map->load;	2437	$map->load;
1830	$map->load_diag;	2438	$map->load_neighbours;
1831		2439
1832	return unless $self->contr->active;	2440	return unless $self->contr->active;
1833	$self->activate_recursive;	2441	$self->activate_recursive;
1834		2442
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
1837	}	2445	}
1838		2446
1839	cf::player->attach (	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2448
1843	# abort map switching before logout	2449	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2450	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2451	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2452	the new (success) or old (failed) map position. In either case, $done will
1847	};	2453	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2454
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2455	=cut
		2456
		2457	our $GOTOGEN;
1874		2458
1875	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
		2461
		2462	# do generation counting so two concurrent goto's will be executed in-order
		2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2464
1878	$self->enter_link;	2465	$self->enter_link;
1879		2466
1880	(async {	2467	(async {
		2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
1881	my $map = eval {	2489	my $map = eval {
1882	my $map = cf::map::find $path;	2490	my $map = defined $path ? cf::map::find $path : undef;
		2491
		2492	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2493	$map = $map->customise_for ($self);
		2494	$map = $check->($map) if $check && $map;
		2495	} else {
		2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	}
		2498
1884	$map	2499	$map
		2500	};
		2501
		2502	if ($@) {
		2503	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2504	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2505	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2506
		2507	if ($gen == $self->{_goto_generation}) {
		2508	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
		2510	}
		2511
		2512	$done->() if $done;
1889	})->prio (1);	2513	})->prio (1);
1890	}	2514	}
1891		2515
1892	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
1893		2517
…		…
1932		2556
1933	$rmp->{random_seed} ||= $exit->random_seed;	2557	$rmp->{random_seed} ||= $exit->random_seed;
1934		2558
1935	my $data = cf::to_json $rmp;	2559	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2560	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2561	my $meta = "$RANDOMDIR/$md5.meta";
1938		2562
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2564	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2565	undef $fh;
1942	aio_rename "$meta~", $meta;	2566	aio_rename "$meta~", $meta;
…		…
1951		2575
1952	return unless $self->type == cf::PLAYER;	2576	return unless $self->type == cf::PLAYER;
1953		2577
1954	if ($exit->slaying eq "/!") {	2578	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2579	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2580	# the problem is that $exit might not survive long enough
		2581	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2582	cf::sync_job { prepare_random_map $exit };
1957	}	2583	}
1958		2584
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2585	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2586	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2587	my $sp = $exit->stats->sp;
1962		2588
1963	$self->enter_link;	2589	$self->enter_link;
1964		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
1965	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
1966	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2599	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2600	$self->goto ($slaying, $hp, $sp);
1969		2601
1970	1;	2602	1;
1971	}) {	2603	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2604	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2605	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2606	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2607	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2608
1977	warn "ERROR in enter_exit: $@";	2609	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2610	$self->leave_link;
1979	}	2611	}
1980	})->prio (1);	2612	})->prio (1);
…		…
1993		2625
1994	sub cf::client::send_drawinfo {	2626	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2627	my ($self, $text, $flags) = @_;
1996		2628
1997	utf8::encode $text;	2629	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2631	}
2000		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
		2726	=item $client->ext_msg ($type, @msg)
		2727
		2728	Sends an ext event to the client.
		2729
		2730	=cut
		2731
		2732	sub cf::client::ext_msg($$@) {
		2733	my ($self, $type, @msg) = @_;
		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
		2738	push @msg, msgtype => "event_$type";
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
		2759	}
2001		2760
2002	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
2003		2762
2004	Queues a query to the client, calling the given callback with	2763	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2764	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2766
2008	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2768	become reliable at some point in the future.
2010		2769
2011	=cut	2770	=cut
2012		2771
2013	sub cf::client::query {	2772	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2781	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2783
2025	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
2027	}	2788	}
2028		2789
2029	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
2030	on_reply => sub {	2796	on_reply => sub {
2031	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
2032		2798
2033	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
2034	# get handled first	2800	# get handled first
…		…
2046	} else {	2812	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2814	}
2049	}	2815	}
2050	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
2051	);	2843	);
2052		2844
2053	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
2054		2846
2055	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2098		2890
2099	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2100		2892
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2102		2898
2103	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2104		2900
2105	=pod	2901	=pod
2106		2902
2107	The following fucntions and emthods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2108		2904
2109	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2110	cf::object::player player	2909	cf::object::player
2111	cf::player peaceful	2910	player
2112	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2113		2917
2114	=cut	2918	=cut
2115		2919
2116	for (	2920	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2118	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2121	) {	2927	) {
2122	no strict 'refs';	2928	no strict 'refs';
…		…
2193	=back	2999	=back
2194		3000
2195	=cut	3001	=cut
2196		3002
2197	#############################################################################	3003	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3004	# the server's init and main functions
2271		3005
2272	sub load_faces {	3006	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3007	my ($path) = @_;
2274		3008
		3009	# HACK to clear player env face cache, we need some signal framework
		3010	# for this (global event?)
		3011	%ext::player_env::MUSIC_FACE_CACHE = ();
		3012
		3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3014
2275	warn "loading faces from $path\n";	3015	warn "loading facedata from $path\n";
2276		3016
2277	my $faces;	3017	my $facedata;
2278	0 < aio_load $path, $faces	3018	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3019	or die "$path: $!";
2280		3020
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3021	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3022
		3023	$facedata->{version} == 2
		3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3025
		3026	# patch in the exptable
		3027	$facedata->{resource}{"res/exp_table"} = {
		3028	type => FT_RSRC,
		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3030	};
		3031	cf::cede_to_tick;
		3032
		3033	{
		3034	my $faces = $facedata->{faceinfo};
		3035
2285	while (my ($face, $info) = each %$faces) {	3036	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3038	cf::face::set_visibility $idx, $info->{visibility};
		3039	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3042
		3043	cf::cede_to_tick;
		3044	}
		3045
		3046	while (my ($face, $info) = each %$faces) {
		3047	next unless $info->{smooth};
		3048	my $idx = cf::face::find $face
		3049	or next;
		3050	if (my $smooth = cf::face::find $info->{smooth}) {
		3051	cf::face::set_smooth $idx, $smooth;
		3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3053	} else {
		3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3055	}
		3056
		3057	cf::cede_to_tick;
		3058	}
		3059	}
		3060
		3061	{
		3062	my $anims = $facedata->{animinfo};
		3063
		3064	while (my ($anim, $info) = each %$anims) {
		3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3066	cf::cede_to_tick;
		3067	}
		3068
		3069	cf::anim::invalidate_all; # d'oh
		3070	}
		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
2290	}	3119	}
2291		3120
2292	1	3121	1
2293	}	3122	}
2294		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
		3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
		3137	load_resource_file "$MAPDIR/regions"
		3138	or die "unable to load regions file\n";
		3139
		3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
		3144	}
		3145
		3146	sub reload_facedata {
		3147	load_facedata "$DATADIR/facedata"
		3148	or die "unable to load facedata\n";
		3149	}
		3150
		3151	sub reload_archetypes {
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
		3157	load_resource_file "$DATADIR/archetypes"
		3158	or die "unable to load archetypes\n";
		3159	}
		3160
		3161	sub reload_treasures {
		3162	load_resource_file "$DATADIR/treasures"
		3163	or die "unable to load treasurelists\n";
		3164	}
		3165
2295	sub reload_resources {	3166	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3167	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3168
		3169	reload_regions;
2298	load_faces	3170	reload_facedata;
2299	or die "unable to load faces\n";#d#	3171	#reload_archetypes;#d#
		3172	reload_archetypes;
		3173	reload_treasures;
		3174
		3175	warn "finished reloading resource files\n";
2300	}	3176	}
2301		3177
2302	sub init {	3178	sub init {
2303	reload_resources;	3179	reload_resources;
2304	}	3180	}
2305		3181
2306	sub cfg_load {	3182	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3184	or return;
2309		3185
2310	local $/;	3186	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
2312		3188
…		…
2327	sub main {	3203	sub main {
2328	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2332	Event::one_event;	3209	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2334	};	3211	};
2335		3212
2336	cfg_load;	3213	reload_config;
2337	db_init;	3214	db_init;
2338	load_extensions;	3215	load_extensions;
2339		3216
2340	$TICK_WATCHER->start;	3217	$TICK_WATCHER->start;
2341	Event::loop;	3218	Event::loop;
…		…
2357	},	3234	},
2358	);	3235	);
2359	}	3236	}
2360	}	3237	}
2361		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
		3275	}
		3276
2362	sub emergency_save() {	3277	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2364		3279
2365	warn "enter emergency perl save\n";	3280	warn "enter emergency perl save\n";
2366		3281
…		…
2370	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3291	$pl->save;
2376	}	3292	}
2377	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2378		3294
2379	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2397		3313
2398	warn Carp::longmess "post_cleanup backtrace"	3314	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3315	if $make_core;
2400	}	3316	}
2401		3317
2402	sub reload() {	3318	sub do_reload_perl() {
2403	# can/must only be called in main	3319	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3320	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3321	warn "can only reload from main coroutine";
2406	return;	3322	return;
2407	}	3323	}
…		…
2441	%EXT_CORO = ();	3357	%EXT_CORO = ();
2442		3358
2443	warn "removing commands";	3359	warn "removing commands";
2444	%COMMAND = ();	3360	%COMMAND = ();
2445		3361
2446	warn "removing ext commands";	3362	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2448		3365
2449	warn "unloading/nuking all extensions";	3366	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2452		3369
…		…
2482	Symbol::delete_package "safe::$_"	3399	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3401
2485	warn "unloading cf.pm \"a bit\"";	3402	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3403	delete $INC{"cf.pm"};
		3404	delete $INC{"cf/pod.pm"};
2487		3405
2488	# don't, removes xs symbols, too,	3406	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3407	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3408	#Symbol::delete_package __PACKAGE__;
2491		3409
…		…
2494	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2495	require cf;	3413	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3415
2498	warn "loading config and database again";	3416	warn "loading config and database again";
2499	cf::cfg_load;	3417	cf::reload_config;
2500		3418
2501	warn "loading extensions";	3419	warn "loading extensions";
2502	cf::load_extensions;	3420	cf::load_extensions;
2503		3421
2504	warn "reattaching attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3424	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3425	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3426	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3427	reattach $_ for values %PLAYER;
2510		3428
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3429	warn "leaving sync_job";
2515		3430
2516	1	3431	1
2517	} or do {	3432	} or do {
2518	warn $@;	3433	warn $@;
…		…
2523	warn "reloaded";	3438	warn "reloaded";
2524	};	3439	};
2525		3440
2526	our $RELOAD_WATCHER; # used only during reload	3441	our $RELOAD_WATCHER; # used only during reload
2527		3442
		3443	sub reload_perl() {
		3444	# doing reload synchronously and two reloads happen back-to-back,
		3445	# coro crashes during coro_state_free->destroy here.
		3446
		3447	$RELOAD_WATCHER ||= Event->timer (
		3448	reentrant => 0,
		3449	after => 0,
		3450	data => WF_AUTOCANCEL,
		3451	cb => sub {
		3452	do_reload_perl;
		3453	undef $RELOAD_WATCHER;
		3454	},
		3455	);
		3456	}
		3457
2528	register_command "reload" => sub {	3458	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2530		3460
2531	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
2533		3463	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3464	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3465	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3466	};
2546	}	3467	}
2547	};	3468	};
2548		3469
2549	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
2550		3471
2551	my $bug_warning = 0;	3472	my $bug_warning = 0;
		3473
		3474	our @WAIT_FOR_TICK;
		3475	our @WAIT_FOR_TICK_BEGIN;
		3476
		3477	sub wait_for_tick {
		3478	return unless $TICK_WATCHER->is_active;
		3479	return if $Coro::current == $Coro::main;
		3480
		3481	my $signal = new Coro::Signal;
		3482	push @WAIT_FOR_TICK, $signal;
		3483	$signal->wait;
		3484	}
		3485
		3486	sub wait_for_tick_begin {
		3487	return unless $TICK_WATCHER->is_active;
		3488	return if $Coro::current == $Coro::main;
		3489
		3490	my $signal = new Coro::Signal;
		3491	push @WAIT_FOR_TICK_BEGIN, $signal;
		3492	$signal->wait;
		3493	}
2552		3494
2553	$TICK_WATCHER = Event->timer (	3495	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3496	reentrant => 0,
2555	parked => 1,	3497	parked => 1,
2556	prio => 0,	3498	prio => 0,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3504	unless ++$bug_warning > 10;
2563	return;	3505	return;
2564	}	3506	}
2565		3507
2566	$NOW = Event::time;	3508	$NOW = $tick_start = Event::time;
2567		3509
2568	cf::server_tick; # one server iteration	3510	cf::server_tick; # one server iteration
		3511
2569	$RUNTIME += $TICK;	3512	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2571		3514
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
2574	Coro::async_pool {	3517	Coro::async_pool {
		3518	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3519	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3520	or warn "ERROR: unable to write runtime file: $!";
2577	};	3521	};
2578	}	3522	}
2579		3523
2580	$WAIT_FOR_TICK->broadcast;	3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3525	$sig->send;
		3526	}
		3527	while (my $sig = shift @WAIT_FOR_TICK) {
		3528	$sig->send;
		3529	}
2582		3530
2583	# my $AFTER = Event::time;	3531	$NOW = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585		3532
2586	# if we are delayed by four ticks or more, skip them all	3533	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3535
2589	$TICK_WATCHER->at ($NEXT_TICK);	3536	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3537	$TICK_WATCHER->start;
		3538
		3539	$LOAD = ($NOW - $tick_start) / $TICK;
		3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3541
		3542	_post_tick;
2591	},	3543	},
2592	);	3544	);
2593		3545
2594	{	3546	{
		3547	BDB::min_parallel 8;
2595	BDB::max_poll_time $TICK * 0.1;	3548	BDB::max_poll_time $TICK * 0.1;
2596	$BDB_POLL_WATCHER = Event->io (	3549	$BDB_POLL_WATCHER = Event->io (
2597	reentrant => 0,	3550	reentrant => 0,
2598	fd => BDB::poll_fileno,	3551	fd => BDB::poll_fileno,
2599	poll => 'r',	3552	poll => 'r',
2600	prio => 0,	3553	prio => 0,
2601	data => WF_AUTOCANCEL,	3554	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,	3555	cb => \&BDB::poll_cb,
2603	);	3556	);
2604	BDB::min_parallel 8;
2605		3557
2606	BDB::set_sync_prepare {	3558	BDB::set_sync_prepare {
2607	my $status;	3559	my $status;
2608	my $current = $Coro::current;	3560	my $current = $Coro::current;
2609	(	3561	(
…		…
2618	)	3570	)
2619	};	3571	};
2620		3572
2621	unless ($DB_ENV) {	3573	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3579
2624	cf::sync_job {	3580	cf::sync_job {
2625	eval {	3581	eval {
2626	BDB::db_env_open	3582	BDB::db_env_open
2627	$DB_ENV,	3583	$DB_ENV,
2628	$BDB_ENV_DIR,	3584	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3587	0666;
2632		3588
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3589	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3590	};
2638		3591
2639	cf::cleanup "db_env_open(db): $@" if $@;	3592	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3593	};
2641	}	3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
2642	}	3626	}
2643		3627
2644	{	3628	{
2645	IO::AIO::min_parallel 8;	3629	IO::AIO::min_parallel 8;
2646		3630
…		…
2649	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
2650	reentrant => 0,	3634	reentrant => 0,
2651	data => WF_AUTOCANCEL,	3635	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,	3636	fd => IO::AIO::poll_fileno,
2653	poll => 'r',	3637	poll => 'r',
2654	prio => 6,	3638	prio => 0,
2655	cb => \&IO::AIO::poll_cb,	3639	cb => \&IO::AIO::poll_cb,
2656	);	3640	);
2657	}	3641	}
2658		3642
		3643	my $_log_backtrace;
		3644
		3645	sub _log_backtrace {
		3646	my ($msg, @addr) = @_;
		3647
		3648	$msg =~ s/\n//;
		3649
		3650	# limit the # of concurrent backtraces
		3651	if ($_log_backtrace < 2) {
		3652	++$_log_backtrace;
		3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
		3656	my @bt = fork_call {
		3657	@addr = map { sprintf "%x", $_ } @addr;
		3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3660	or die "addr2line: $!";
		3661
		3662	my @funcs;
		3663	my @res = <$fh>;
		3664	chomp for @res;
		3665	while (@res) {
		3666	my ($func, $line) = splice @res, 0, 2, ();
		3667	push @funcs, "[$func] $line";
		3668	}
		3669
		3670	@funcs
		3671	};
		3672
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] $_\n" for @bt;
		3675	--$_log_backtrace;
		3676	};
		3677	} else {
		3678	LOG llevInfo, "[ABT] $msg\n";
		3679	LOG llevInfo, "[ABT] [suppressed]\n";
		3680	}
		3681	}
		3682
		3683	# load additional modules
		3684	use cf::pod;
		3685
2659	END { cf::emergency_save }	3686	END { cf::emergency_save }
2660		3687
2661	1	3688	1
2662		3689

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