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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.376 by root, Mon Oct 1 00:44:44 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
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
314	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
317		435
318	my $busy = 1;	436	my $busy = 1;
319	my @res;	437	my @res;
320		438
321	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	441	@res = eval { $job->() };
323	warn $@ if $@;	442	warn $@ if $@;
324	undef $busy;	443	undef $busy;
325	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
326		445
327	while ($busy) {	446	while ($busy) {
328	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
329	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
330		456
331	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
332	} else {	458	} else {
333	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
334		460
…		…
354	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
355		481
356	$coro	482	$coro
357	}	483	}
358		484
359	sub write_runtime {	485	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		486
362	my $runtime = cf::localdir . "/runtime";	487	Executes the given code block with the given arguments in a seperate
		488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
363		491
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	=cut
365	or return;
366		493
367	my $value = $cf::RUNTIME + 90 + 10;	494	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	495	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		496
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	497	# we seemingly have to make a local copy of the whole thing,
372	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
373		500
374	# always fsync - this file is important	501	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	502	reset_signals;
376	and return;	503	&$cb
		504	}, @args;
377		505
378	close $fh	506	wantarray ? @res : $res[-1]
379	or return;	507	}
380		508
381	aio_rename "$runtime~", $runtime	509	=item $value = cf::db_get $family => $key
382	and return;
383		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
384	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
		634	}
		635
		636	=item cf::datalog type => key => value, ...
		637
		638	Log a datalog packet of the given type with the given key-value pairs.
		639
		640	=cut
		641
		642	sub datalog($@) {
		643	my ($type, %kv) = @_;
		644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	645	}
386		646
387	=back	647	=back
388		648
389	=cut	649	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
398		658
399	In the following description, CLASS can be any of C<global>, C<object>	659	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	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	661	Crossfire TRT).
402		662
403	=over 4	663	=over 4
404		664
405	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
406		666
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
570		830
571	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		835
576	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	837	my $pkg = shift @arg;
578		838
579	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
609	}	869	}
610		870
611	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
612	} else {	872	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	874	}
615		875
616	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
617	}	877	}
618		878
…		…
620	if (ref $_[0]) {	880	if (ref $_[0]) {
621	_object_attach @_;	881	_object_attach @_;
622	} else {	882	} else {
623	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
624	}	884	}
		885	_recalc_want;
625	};	886	};
626		887
627	# all those should be optimised	888	# all those should be optimised
628	sub cf::attachable::detach {	889	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
633	reattach ($obj);	894	reattach ($obj);
634	} else {	895	} else {
635	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
636	}	897	}
		898	_recalc_want;
637	};	899	};
638		900
639	sub cf::attachable::attached {	901	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
641		903
…		…
656	";	918	";
657	die if $@;	919	die if $@;
658	}	920	}
659		921
660	our $override;	922	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		924
663	sub override {	925	sub override {
664	$override = 1;	926	$override = 1;
665	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
666	}	928	}
667		929
668	sub do_invoke {	930	sub do_invoke {
669	my $event = shift;	931	my $event = shift;
670	my $callbacks = shift;	932	my $callbacks = shift;
671		933
672	@invoke_results = ();	934	@INVOKE_RESULTS = ();
673		935
674	local $override;	936	local $override;
675		937
676	for (@$callbacks) {	938	for (@$callbacks) {
677	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
694		956
695	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
696		958
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	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	960	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		962
701	=back	963	=back
702		964
703	=cut	965	=cut
704		966
705	#############################################################################	967	#############################################################################
706	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
707		980
708	sub reattach {	981	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	983	my ($obj) = @_;
711		984
…		…
758	sub object_freezer_save {	1031	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
760		1033
761	sync_job {	1034	sync_job {
762	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
765		1039
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
788	}	1062	}
789	} else {	1063	} else {
790	aio_unlink $filename;	1064	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
792	}	1066	}
793	}	1067	};
794	}	1068	}
795		1069
796	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
798		1072
…		…
810	or return;	1084	or return;
811		1085
812	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
814	or return;	1088	or return;
		1089
815	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1091	}
817		1092
		1093	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
820	return ($data, $av);	1097	($data, $av)
821	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
822		1105
823	#############################################################################	1106	#############################################################################
824	# command handling &c	1107	# command handling &c
825		1108
826	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1123	}
841		1124
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1126
844	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
845		1132
846	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
847	called.	1134	called.
848		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
849	=cut	1147	=cut
850		1148
851	sub register_extcmd {	1149	sub register_extcmd {
852	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
853		1151
854	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
855	}	1159	}
856		1160
857	cf::player->attach (	1161	cf::player->attach (
858	on_command => sub {	1162	on_command => sub {
859	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1172	cf::override;
869	},	1173	},
870	on_extcmd => sub {	1174	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
872		1176
873	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1178
875	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
881	} else {	1194	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1196	}
884		1197
885	cf::override;	1198	cf::override;
886	},	1199	},
887	);	1200	);
888		1201
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 {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
924	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1207	next unless -r $path;
926	eval {	1208
927	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
928	1	1266	}
929	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
930	}	1272	};
931	}	1273	}
932		1274
933	#############################################################################	1275	#############################################################################
934		1276
		1277	=back
		1278
935	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
936		1280
937	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
938		1282
939	=cut	1283	=cut
…		…
944		1288
945	=head3 cf::player	1289	=head3 cf::player
946		1290
947	=over 4	1291	=over 4
948		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
949	=item cf::player::find $login	1307	=item cf::player::find $login
950		1308
951	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
952		1310
953	=cut	1311	=cut
954		1312
955	sub playerdir($) {	1313	sub playerdir($) {
956	cf::localdir	1314	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1316	}
962		1317
963	sub path($) {	1318	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1320
966	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
967	}	1322	}
968		1323
969	sub find_active($) {	1324	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1339	my $login = $_[0];
985		1340
986	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
987		1342
988	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
990	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
992	}	1359	}
993	}	1360	}
994	}	1361	}
995		1362
…		…
1005		1372
1006	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1008		1375
1009	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1010	Coro::cede;	1377	cf::cede_to_tick;
1011	}	1378	}
1012		1379
1013	sub new($) {	1380	sub new($) {
1014	my ($login) = @_;	1381	my ($login) = @_;
1015		1382
…		…
1019	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1020		1387
1021	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1022		1389
1023	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1024	}	1401	}
1025		1402
1026	=item $pl->quit_character	1403	=item $pl->quit_character
1027		1404
1028	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1078		1455
1079	=cut	1456	=cut
1080		1457
1081	sub list_logins {	1458	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1460	or return [];
1084		1461
1085	my @logins;	1462	my @logins;
1086		1463
1087	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1091		1473
1092	utf8::decode $login;	1474	utf8::decode $login;
1093	push @logins, $login;	1475	push @logins, $login;
1094	}	1476	}
1095		1477
…		…
1122	}	1504	}
1123		1505
1124	\@paths	1506	\@paths
1125	}	1507	}
1126		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1128		1561
1129	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1130		1563
1131	=cut	1564	=cut
1132		1565
1133	sub ext_reply($$$%) {	1566	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1135		1568
1136	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1570	}
1140		1571
1141	package cf;	1572	=item $player->ext_msg ($type, @msg)
		1573
		1574	Sends an ext event to the client.
		1575
		1576	=cut
		1577
		1578	sub ext_msg($$@) {
		1579	my ($self, $type, @msg) = @_;
		1580
		1581	$self->ns->ext_msg ($type, @msg);
		1582	}
		1583
		1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1142		1612
1143	=back	1613	=back
1144
1145		1614
1146	=head3 cf::map	1615	=head3 cf::map
1147		1616
1148	=over 4	1617	=over 4
1149		1618
…		…
1204	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1205		1674
1206	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1207	local $self->{path};	1676	local $self->{path};
1208	local $self->{load_path};	1677	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1678
1212	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1213	}	1680	}
1214		1681
1215	sub normalise {	1682	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1263	return $self;	1730	return $self;
1264	}	1731	}
1265	}	1732	}
1266		1733
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1735	()
1269	}	1736	}
1270		1737
1271	sub init {	1738	sub init {
1272	my ($self) = @_;	1739	my ($self) = @_;
…		…
1287		1754
1288	# the original (read-only) location	1755	# the original (read-only) location
1289	sub load_path {	1756	sub load_path {
1290	my ($self) = @_;	1757	my ($self) = @_;
1291		1758
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1293	}	1760	}
1294		1761
1295	# the temporary/swap location	1762	# the temporary/swap location
1296	sub save_path {	1763	sub save_path {
1297	my ($self) = @_;	1764	my ($self) = @_;
1298		1765
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1301	}	1768	}
1302		1769
1303	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1304	sub uniq_path {	1771	sub uniq_path {
1305	my ($self) = @_;	1772	my ($self) = @_;
1306		1773
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1309	}	1776	}
1310		1777
1311	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1312	# all maps in C++...	1779	# all maps in C++...
1313	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1315		1782
1316	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1318	}	1785	}
1319		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1320	sub unlink_save {	1795	sub unlink_save {
1321	my ($self) = @_;	1796	my ($self) = @_;
1322		1797
1323	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1802
1328	sub load_header_from($) {	1803	sub load_header_from($) {
1329	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1330		1805
1331	utf8::encode $path;	1806	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1337		1815
1338	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1339		1817
1340	1	1818	1
1341	}	1819	}
…		…
1380	$self->load_header_orig	1858	$self->load_header_orig
1381	or return;	1859	or return;
1382	$self->prepare_orig;	1860	$self->prepare_orig;
1383	}	1861	}
1384		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
		1868
1385	1	1869	1
1386	}	1870	}
1387		1871
1388	sub find;	1872	sub find;
1389	sub find {	1873	sub find {
1390	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1391		1875
1392	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1393		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1395		1880
1396	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1398	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1399	or return;	1886	or return;
1400		1887
1401	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1402		1889
1403	$map->load_header	1890	$map->load_header
1404	or return;	1891	or return;
1405		1892
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1409	$map->reset;	1898	$map->reset;
1410	undef $guard;
1411	return find $path;	1899	return find $path;
1412	}	1900	}
1413		1901
1414	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1415	}	1903	}
…		…
1422	my ($self) = @_;	1910	my ($self) = @_;
1423		1911
1424	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1425		1913
1426	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1428		1918
		1919	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1921
1431	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1432		1923
1433	$self->alloc;	1924	$self->alloc;
1434		1925
1435	$self->pre_load;	1926	$self->pre_load;
		1927	cf::cede_to_tick;
1436		1928
1437	$self->_load_objects ($self->{load_path}, 1)	1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1438	or return;	1932	or return;
1439		1933
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	1935	if delete $self->{load_original};
1442		1936
1443	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	1938	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	1941	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1448	}	1945	}
1449	}	1946	}
1450		1947
1451	Coro::cede;	1948	$f->resolve_delayed_derefs;
1452		1949
		1950	cf::cede_to_tick;
1453	# now do the right thing for maps	1951	# now do the right thing for maps
1454	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1455
1456	unless ($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)	1953	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1954	unless $self->difficulty;
1464	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1465	$self->activate;	1964	$self->activate;
		1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
		1970	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1971	}
1467		1972
1468	$self->post_load;	1973	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1974	}
1472		1975
1473	sub customise_for {	1976	sub customise_for {
1474	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1475		1978
1476	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1980	if $self->per_player;
1478		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1479	$self	1985	$self
1480	}	1986	}
1481		1987
1482	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	1989	sub load_neighbours {
1484	my ($map) = @_;	1990	my ($map) = @_;
1485		1991
1486	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1487		1993
1488	for (0 .. 3) {	1994	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1490	or next;	1996	or next;
1491	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1492	or next;	1998	or next;
1493	$neigh->load;	1999	$neigh->load;
1494		2000
		2001	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2004	}
1498		2005
1499	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1501	or next;	2009	or next;
1502	$neigh->load;	2010	$neigh->load;
1503	}	2011	}
1504	}	2012	}
1505		2013
…		…
1510	}	2018	}
1511		2019
1512	sub do_load_sync {	2020	sub do_load_sync {
1513	my ($map) = @_;	2021	my ($map) = @_;
1514		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1515	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1516	}	2027	}
1517		2028
1518	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1520		2031
1521	sub find_async {	2032	sub find_async {
1522	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1523		2034
1524	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1525		2036
1526	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2039	}
1529		2040
1530	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1531	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1532	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2048	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2049	$map->load if $v;
		2050	}
1537		2051
1538	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1539	}	2053	}
1540	}	2054	}
1541	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1542	};	2056	};
1543	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2060	}
1547		2061
1548	sub save {	2062	sub save {
1549	my ($self) = @_;	2063	my ($self) = @_;
1550		2064
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2066
1553	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1554		2068
1555	return unless $self->dirty;	2069	return unless $self->dirty;
1556		2070
…		…
1562	return if $self->{deny_save};	2076	return if $self->{deny_save};
1563		2077
1564	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1565		2079
1566	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1568	};	2083	};
1569		2084
1570	if ($uniq) {	2085	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2094	my ($self) = @_;
1580		2095
1581	# save first because save cedes	2096	# save first because save cedes
1582	$self->save;	2097	$self->save;
1583		2098
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2100
1586	return if $self->players;	2101	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2103	return if $self->{deny_save};
1589		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2109	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2110	}
1593		2111
1594	sub reset_at {	2112	sub reset_at {
1595	my ($self) = @_;	2113	my ($self) = @_;
1596		2114
1597	# TODO: safety, remove and allow resettable per-player maps	2115	# 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};	2116	return 1e99 if $self->{deny_reset};
1600		2117
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2120
…		…
1614	my ($self) = @_;	2131	my ($self) = @_;
1615		2132
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2134
1618	return if $self->players;	2135	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2136
1621	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1622		2138
1623	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1624		2140
1625	# need to save uniques path	2141	# need to save uniques path
1626	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2146	if $uniq;
1631	}	2147	}
1632		2148
1633	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1634		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2153	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2154
1639	$self->unlink_save;	2155	$self->unlink_save;
1640	$self->destroy;	2156	$self->destroy;
1641	}	2157	}
1642		2158
1643	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1644		2160
1645	sub nuke {	2161	sub nuke {
1646	my ($self) = @_;	2162	my ($self) = @_;
1647		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1648	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1649		2168
1650	$self->unlink_save;	2169	$self->unlink_save;
1651		2170
1652	bless $self, "cf::map";	2171	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2176
1658	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1659		2179
1660	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1661	}	2217	}
1662		2218
1663	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1664		2220
1665	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2222	instantiated unique items. May block.
1667		2223
1668	=cut	2224	=cut
1669		2225
1670	sub unique_maps() {	2226	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1672	or return;	2228	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2229	utf8::decode $_;
1678	next if /\.pst$/;	2230	/\.map$/
1679	next unless /^$PATH_SEP/o;	2231	? normalise $_
1680		2232	: ()
1681	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2234	]
1683
1684	\@paths
1685	}	2235	}
1686		2236
1687	package cf;	2237	package cf;
1688		2238
1689	=back	2239	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1708	}	2258	}
1709		2259
1710	sub inv_recursive {	2260	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1712	}	2293	}
1713		2294
1714	package cf;	2295	package cf;
1715		2296
1716	=back	2297	=back
…		…
1735		2316
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2318
1738	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1740	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1743	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1744	}	2344	}
1745		2345
1746	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1747		2347
1748	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1796		2396
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2398
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1801		2401
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2403	}
1804		2404
1805	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1807		2409
1808	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1809		2411
1810	unless ($map) {	2412	unless ($map) {
1811	# restore original map position	2413	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1828		2430
1829	$map->load;	2431	$map->load;
1830	$map->load_diag;	2432	$map->load_neighbours;
1831		2433
1832	return unless $self->contr->active;	2434	return unless $self->contr->active;
1833	$self->activate_recursive;	2435	$self->activate_recursive;
1834		2436
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1837	}	2439	}
1838		2440
1839	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2442
1843	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1847	};	2447	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2448
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	2449	=cut
		2450
		2451	our $GOTOGEN;
1874		2452
1875	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2458
1878	$self->enter_link;	2459	$self->enter_link;
1879		2460
1880	(async {	2461	(async {
		2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1881	my $map = eval {	2483	my $map = eval {
1882	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1884	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2499	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1889	})->prio (1);	2507	})->prio (1);
1890	}	2508	}
1891		2509
1892	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1893		2511
…		…
1932		2550
1933	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1934		2552
1935	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1938		2556
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2559	undef $fh;
1942	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1951		2569
1952	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1953		2571
1954	if ($exit->slaying eq "/!") {	2572	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2576	cf::sync_job { prepare_random_map $exit };
1957	}	2577	}
1958		2578
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1962		2582
1963	$self->enter_link;	2583	$self->enter_link;
1964		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
1965	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
1966	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2593	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2594	$self->goto ($slaying, $hp, $sp);
1969		2595
1970	1;	2596	1;
1971	}) {	2597	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2598	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2599	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2600	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2601	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2602
1977	warn "ERROR in enter_exit: $@";	2603	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2604	$self->leave_link;
1979	}	2605	}
1980	})->prio (1);	2606	})->prio (1);
…		…
1993		2619
1994	sub cf::client::send_drawinfo {	2620	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2621	my ($self, $text, $flags) = @_;
1996		2622
1997	utf8::encode $text;	2623	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2625	}
2000		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "infobox",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "infobox",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	"c/lookat" => {
		2650	id => "infobox",
		2651	title => "Look",
		2652	reply => undef,
		2653	tooltip => "What you saw there",
		2654	},
		2655	);
		2656
		2657	sub cf::client::send_msg {
		2658	my ($self, $channel, $msg, $color, @extra) = @_;
		2659
		2660	$msg = $self->pl->expand_cfpod ($msg);
		2661
		2662	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2663
		2664	# check predefined channels, for the benefit of C
		2665	if ($CHANNEL{$channel}) {
		2666	$channel = $CHANNEL{$channel};
		2667
		2668	$self->ext_msg (channel_info => $channel)
		2669	if $self->can_msg;
		2670
		2671	$channel = $channel->{id};
		2672
		2673	} elsif (ref $channel) {
		2674	# send meta info to client, if not yet sent
		2675	unless (exists $self->{channel}{$channel->{id}}) {
		2676	$self->{channel}{$channel->{id}} = $channel;
		2677	$self->ext_msg (channel_info => $channel)
		2678	if $self->can_msg;
		2679	}
		2680
		2681	$channel = $channel->{id};
		2682	}
		2683
		2684	return unless @extra || length $msg;
		2685
		2686	if ($self->can_msg) {
		2687	# default colour, mask it out
		2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2689	if $color & cf::NDI_DEF;
		2690
		2691	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2693	} else {
		2694	if ($color >= 0) {
		2695	# replace some tags by gcfclient-compatible ones
		2696	for ($msg) {
		2697	1 while
		2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2703	}
		2704
		2705	$color &= cf::NDI_COLOR_MASK;
		2706
		2707	utf8::encode $msg;
		2708
		2709	if (0 && $msg =~ /\[/) {
		2710	# COMMAND/INFO
		2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2712	} else {
		2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2714	$self->send_packet ("drawinfo $color $msg")
		2715	}
		2716	}
		2717	}
		2718	}
		2719
		2720	=item $client->ext_msg ($type, @msg)
		2721
		2722	Sends an ext event to the client.
		2723
		2724	=cut
		2725
		2726	sub cf::client::ext_msg($$@) {
		2727	my ($self, $type, @msg) = @_;
		2728
		2729	if ($self->extcmd == 2) {
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2731	} elsif ($self->extcmd == 1) { # TODO: remove
		2732	push @msg, msgtype => "event_$type";
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2734	}
		2735	}
		2736
		2737	=item $client->ext_reply ($msgid, @msg)
		2738
		2739	Sends an ext reply to the client.
		2740
		2741	=cut
		2742
		2743	sub cf::client::ext_reply($$@) {
		2744	my ($self, $id, @msg) = @_;
		2745
		2746	if ($self->extcmd == 2) {
		2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2748	} elsif ($self->extcmd == 1) {
		2749	#TODO: version 1, remove
		2750	unshift @msg, msgtype => "reply", msgid => $id;
		2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2752	}
		2753	}
2001		2754
2002	=item $success = $client->query ($flags, "text", \&cb)	2755	=item $success = $client->query ($flags, "text", \&cb)
2003		2756
2004	Queues a query to the client, calling the given callback with	2757	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>,	2758	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>.	2759	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2760
2008	Queries can fail, so check the return code. Or don't, as queries will become	2761	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2762	become reliable at some point in the future.
2010		2763
2011	=cut	2764	=cut
2012		2765
2013	sub cf::client::query {	2766	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2767	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2775	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2776	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2777
2025	$self->send_packet ($self->{query_queue}[0][0])	2778	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2779	if @{ $self->{query_queue} } == 1;
		2780
		2781	1
2027	}	2782	}
2028		2783
2029	cf::client->attach (	2784	cf::client->attach (
		2785	on_connect => sub {
		2786	my ($ns) = @_;
		2787
		2788	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2789	},
2030	on_reply => sub {	2790	on_reply => sub {
2031	my ($ns, $msg) = @_;	2791	my ($ns, $msg) = @_;
2032		2792
2033	# this weird shuffling is so that direct followup queries	2793	# this weird shuffling is so that direct followup queries
2034	# get handled first	2794	# get handled first
…		…
2046	} else {	2806	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2807	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2808	}
2049	}	2809	}
2050	},	2810	},
		2811	on_exticmd => sub {
		2812	my ($ns, $buf) = @_;
		2813
		2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2815
		2816	if (ref $msg) {
		2817	my ($type, $reply, @payload) =
		2818	"ARRAY" eq ref $msg
		2819	? @$msg
		2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2821
		2822	my @reply;
		2823
		2824	if (my $cb = $EXTICMD{$type}) {
		2825	@reply = $cb->($ns, @payload);
		2826	}
		2827
		2828	$ns->ext_reply ($reply, @reply)
		2829	if $reply;
		2830
		2831	} else {
		2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2833	}
		2834
		2835	cf::override;
		2836	},
2051	);	2837	);
2052		2838
2053	=item $client->async (\&cb)	2839	=item $client->async (\&cb)
2054		2840
2055	Create a new coroutine, running the specified callback. The coroutine will	2841	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2882	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2883	our $safe_hole = new Safe::Hole;
2098		2884
2099	$SIG{FPE} = 'IGNORE';	2885	$SIG{FPE} = 'IGNORE';
2100		2886
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2887	$safe->permit_only (Opcode::opset qw(
		2888	:base_core :base_mem :base_orig :base_math
		2889	grepstart grepwhile mapstart mapwhile
		2890	sort time
		2891	));
2102		2892
2103	# here we export the classes and methods available to script code	2893	# here we export the classes and methods available to script code
2104		2894
2105	=pod	2895	=pod
2106		2896
2107	The following fucntions and emthods are available within a safe environment:	2897	The following functions and methods are available within a safe environment:
2108		2898
2109	cf::object contr pay_amount pay_player map	2899	cf::object
		2900	contr pay_amount pay_player map x y force_find force_add
		2901	insert remove name archname title slaying race decrease_ob_nr
		2902
2110	cf::object::player player	2903	cf::object::player
2111	cf::player peaceful	2904	player
2112	cf::map trigger	2905
		2906	cf::player
		2907	peaceful
		2908
		2909	cf::map
		2910	trigger
2113		2911
2114	=cut	2912	=cut
2115		2913
2116	for (	2914	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2916	insert remove inv name archname title slaying race
		2917	decrease_ob_nr)],
2118	["cf::object::player" => qw(player)],	2918	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2919	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2920	["cf::map" => qw(trigger)],
2121	) {	2921	) {
2122	no strict 'refs';	2922	no strict 'refs';
…		…
2193	=back	2993	=back
2194		2994
2195	=cut	2995	=cut
2196		2996
2197	#############################################################################	2997	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$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 $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2998	# the server's init and main functions
2271		2999
2272	sub load_faces {	3000	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3001	my ($path) = @_;
2274		3002
		3003	# HACK to clear player env face cache, we need some signal framework
		3004	# for this (global event?)
		3005	%ext::player_env::MUSIC_FACE_CACHE = ();
		3006
		3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3008
2275	warn "loading faces from $path\n";	3009	warn "loading facedata from $path\n";
2276		3010
2277	my $faces;	3011	my $facedata;
2278	0 < aio_load $path, $faces	3012	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3013	or die "$path: $!";
2280		3014
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3015	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3016
		3017	$facedata->{version} == 2
		3018	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3019
		3020	# patch in the exptable
		3021	$facedata->{resource}{"res/exp_table"} = {
		3022	type => FT_RSRC,
		3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3024	};
		3025	cf::cede_to_tick;
		3026
		3027	{
		3028	my $faces = $facedata->{faceinfo};
		3029
2285	while (my ($face, $info) = each %$faces) {	3030	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3032	cf::face::set_visibility $idx, $info->{visibility};
		3033	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3036
		3037	cf::cede_to_tick;
		3038	}
		3039
		3040	while (my ($face, $info) = each %$faces) {
		3041	next unless $info->{smooth};
		3042	my $idx = cf::face::find $face
		3043	or next;
		3044	if (my $smooth = cf::face::find $info->{smooth}) {
		3045	cf::face::set_smooth $idx, $smooth;
		3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3047	} else {
		3048	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3049	}
		3050
		3051	cf::cede_to_tick;
		3052	}
		3053	}
		3054
		3055	{
		3056	my $anims = $facedata->{animinfo};
		3057
		3058	while (my ($anim, $info) = each %$anims) {
		3059	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3060	cf::cede_to_tick;
		3061	}
		3062
		3063	cf::anim::invalidate_all; # d'oh
		3064	}
		3065
		3066	{
		3067	# TODO: for gcfclient pleasure, we should give resources
		3068	# that gcfclient doesn't grok a >10000 face index.
		3069	my $res = $facedata->{resource};
		3070
		3071	my $soundconf = delete $res->{"res/sound.conf"};
		3072
		3073	while (my ($name, $info) = each %$res) {
		3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3075	my $data;
		3076
		3077	if ($info->{type} & 1) {
		3078	# prepend meta info
		3079
		3080	my $meta = $enc->encode ({
		3081	name => $name,
		3082	%{ $info->{meta} || {} },
		3083	});
		3084
		3085	$data = pack "(w/a*)*", $meta, $info->{data};
		3086	} else {
		3087	$data = $info->{data};
		3088	}
		3089
		3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3091	cf::face::set_type $idx, $info->{type};
		3092
		3093	cf::cede_to_tick;
		3094	}
		3095
		3096	if ($soundconf) {
		3097	$soundconf = $enc->decode (delete $soundconf->{data});
		3098
		3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3100	my $sound = $soundconf->{compat}[$_]
		3101	or next;
		3102
		3103	my $face = cf::face::find "sound/$sound->[1]";
		3104	cf::sound::set $sound->[0] => $face;
		3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3106	}
		3107
		3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3109	my $face = cf::face::find "sound/$v";
		3110	cf::sound::set $k => $face;
		3111	}
		3112	}
2290	}	3113	}
2291		3114
2292	1	3115	1
2293	}	3116	}
2294		3117
		3118	register_exticmd fx_want => sub {
		3119	my ($ns, $want) = @_;
		3120
		3121	while (my ($k, $v) = each %$want) {
		3122	$ns->fx_want ($k, $v);
		3123	}
		3124	};
		3125
		3126	sub reload_regions {
		3127	# HACK to clear player env face cache, we need some signal framework
		3128	# for this (global event?)
		3129	%ext::player_env::MUSIC_FACE_CACHE = ();
		3130
		3131	load_resource_file "$MAPDIR/regions"
		3132	or die "unable to load regions file\n";
		3133
		3134	for (cf::region::list) {
		3135	$_->{match} = qr/$_->{match}/
		3136	if exists $_->{match};
		3137	}
		3138	}
		3139
		3140	sub reload_facedata {
		3141	load_facedata "$DATADIR/facedata"
		3142	or die "unable to load facedata\n";
		3143	}
		3144
		3145	sub reload_archetypes {
		3146	load_resource_file "$DATADIR/archetypes"
		3147	or die "unable to load archetypes\n";
		3148	#d# NEED to laod twice to resolve forward references
		3149	# this really needs to be done in an extra post-pass
		3150	# (which needs to be synchronous, so solve it differently)
		3151	load_resource_file "$DATADIR/archetypes"
		3152	or die "unable to load archetypes\n";
		3153	}
		3154
		3155	sub reload_treasures {
		3156	load_resource_file "$DATADIR/treasures"
		3157	or die "unable to load treasurelists\n";
		3158	}
		3159
2295	sub reload_resources {	3160	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3161	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3162
		3163	reload_regions;
2298	load_faces	3164	reload_facedata;
2299	or die "unable to load faces\n";#d#	3165	#reload_archetypes;#d#
		3166	reload_archetypes;
		3167	reload_treasures;
		3168
		3169	warn "finished reloading resource files\n";
2300	}	3170	}
2301		3171
2302	sub init {	3172	sub init {
2303	reload_resources;	3173	reload_resources;
2304	}	3174	}
2305		3175
2306	sub cfg_load {	3176	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3177	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3178	or return;
2309		3179
2310	local $/;	3180	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3181	*CFG = YAML::Syck::Load <$fh>;
2312		3182
…		…
2327	sub main {	3197	sub main {
2328	# we must not ever block the main coroutine	3198	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3199	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3201	(async {
		3202	$Coro::current->{desc} = "IDLE BUG HANDLER";
2332	Event::one_event;	3203	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3204	})->prio (Coro::PRIO_MAX);
2334	};	3205	};
2335		3206
2336	cfg_load;	3207	reload_config;
2337	db_init;	3208	db_init;
2338	load_extensions;	3209	load_extensions;
2339		3210
2340	$TICK_WATCHER->start;	3211	$TICK_WATCHER->start;
2341	Event::loop;	3212	Event::loop;
…		…
2357	},	3228	},
2358	);	3229	);
2359	}	3230	}
2360	}	3231	}
2361		3232
		3233	sub write_runtime {
		3234	my $runtime = "$LOCALDIR/runtime";
		3235
		3236	# first touch the runtime file to show we are still running:
		3237	# the fsync below can take a very very long time.
		3238
		3239	IO::AIO::aio_utime $runtime, undef, undef;
		3240
		3241	my $guard = cf::lock_acquire "write_runtime";
		3242
		3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3244	or return;
		3245
		3246	my $value = $cf::RUNTIME + 90 + 10;
		3247	# 10 is the runtime save interval, for a monotonic clock
		3248	# 60 allows for the watchdog to kill the server.
		3249
		3250	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3251	and return;
		3252
		3253	# always fsync - this file is important
		3254	aio_fsync $fh
		3255	and return;
		3256
		3257	# touch it again to show we are up-to-date
		3258	aio_utime $fh, undef, undef;
		3259
		3260	close $fh
		3261	or return;
		3262
		3263	aio_rename "$runtime~", $runtime
		3264	and return;
		3265
		3266	warn "runtime file written.\n";
		3267
		3268	1
		3269	}
		3270
2362	sub emergency_save() {	3271	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3272	my $freeze_guard = cf::freeze_mainloop;
2364		3273
2365	warn "enter emergency perl save\n";	3274	warn "enter emergency perl save\n";
2366		3275
…		…
2397		3306
2398	warn Carp::longmess "post_cleanup backtrace"	3307	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3308	if $make_core;
2400	}	3309	}
2401		3310
2402	sub reload() {	3311	sub do_reload_perl() {
2403	# can/must only be called in main	3312	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3313	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3314	warn "can only reload from main coroutine";
2406	return;	3315	return;
2407	}	3316	}
…		…
2441	%EXT_CORO = ();	3350	%EXT_CORO = ();
2442		3351
2443	warn "removing commands";	3352	warn "removing commands";
2444	%COMMAND = ();	3353	%COMMAND = ();
2445		3354
2446	warn "removing ext commands";	3355	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3356	%EXTCMD = ();
		3357	%EXTICMD = ();
2448		3358
2449	warn "unloading/nuking all extensions";	3359	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3360	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3361	warn "... unloading $pkg";
2452		3362
…		…
2482	Symbol::delete_package "safe::$_"	3392	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3393	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3394
2485	warn "unloading cf.pm \"a bit\"";	3395	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3396	delete $INC{"cf.pm"};
		3397	delete $INC{"cf/pod.pm"};
2487		3398
2488	# don't, removes xs symbols, too,	3399	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3400	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3401	#Symbol::delete_package __PACKAGE__;
2491		3402
…		…
2494	warn "reloading cf.pm";	3405	warn "reloading cf.pm";
2495	require cf;	3406	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3408
2498	warn "loading config and database again";	3409	warn "loading config and database again";
2499	cf::cfg_load;	3410	cf::reload_config;
2500		3411
2501	warn "loading extensions";	3412	warn "loading extensions";
2502	cf::load_extensions;	3413	cf::load_extensions;
2503		3414
2504	warn "reattaching attachments to objects/players";	3415	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3417	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3418	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3419	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3420	reattach $_ for values %PLAYER;
2510		3421
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3422	warn "leaving sync_job";
2515		3423
2516	1	3424	1
2517	} or do {	3425	} or do {
2518	warn $@;	3426	warn $@;
…		…
2523	warn "reloaded";	3431	warn "reloaded";
2524	};	3432	};
2525		3433
2526	our $RELOAD_WATCHER; # used only during reload	3434	our $RELOAD_WATCHER; # used only during reload
2527		3435
		3436	sub reload_perl() {
		3437	# doing reload synchronously and two reloads happen back-to-back,
		3438	# coro crashes during coro_state_free->destroy here.
		3439
		3440	$RELOAD_WATCHER ||= Event->timer (
		3441	reentrant => 0,
		3442	after => 0,
		3443	data => WF_AUTOCANCEL,
		3444	cb => sub {
		3445	do_reload_perl;
		3446	undef $RELOAD_WATCHER;
		3447	},
		3448	);
		3449	}
		3450
2528	register_command "reload" => sub {	3451	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3452	my ($who, $arg) = @_;
2530		3453
2531	if ($who->flag (FLAG_WIZ)) {	3454	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3455	$who->message ("reloading server.");
2533		3456	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3457	$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;	3458	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3459	};
2546	}	3460	}
2547	};	3461	};
2548		3462
2549	unshift @INC, $LIBDIR;	3463	unshift @INC, $LIBDIR;
2550		3464
2551	my $bug_warning = 0;	3465	my $bug_warning = 0;
		3466
		3467	our @WAIT_FOR_TICK;
		3468	our @WAIT_FOR_TICK_BEGIN;
		3469
		3470	sub wait_for_tick {
		3471	return unless $TICK_WATCHER->is_active;
		3472	return if $Coro::current == $Coro::main;
		3473
		3474	my $signal = new Coro::Signal;
		3475	push @WAIT_FOR_TICK, $signal;
		3476	$signal->wait;
		3477	}
		3478
		3479	sub wait_for_tick_begin {
		3480	return unless $TICK_WATCHER->is_active;
		3481	return if $Coro::current == $Coro::main;
		3482
		3483	my $signal = new Coro::Signal;
		3484	push @WAIT_FOR_TICK_BEGIN, $signal;
		3485	$signal->wait;
		3486	}
2552		3487
2553	$TICK_WATCHER = Event->timer (	3488	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3489	reentrant => 0,
2555	parked => 1,	3490	parked => 1,
2556	prio => 0,	3491	prio => 0,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3497	unless ++$bug_warning > 10;
2563	return;	3498	return;
2564	}	3499	}
2565		3500
2566	$NOW = Event::time;	3501	$NOW = $tick_start = Event::time;
2567		3502
2568	cf::server_tick; # one server iteration	3503	cf::server_tick; # one server iteration
		3504
2569	$RUNTIME += $TICK;	3505	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3506	$NEXT_TICK += $TICK;
2571		3507
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3509	$NEXT_RUNTIME_WRITE = $NOW + 10;
2574	Coro::async_pool {	3510	Coro::async_pool {
		3511	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3512	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3513	or warn "ERROR: unable to write runtime file: $!";
2577	};	3514	};
2578	}	3515	}
2579		3516
2580	$WAIT_FOR_TICK->broadcast;	3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3518	$sig->send;
		3519	}
		3520	while (my $sig = shift @WAIT_FOR_TICK) {
		3521	$sig->send;
		3522	}
2582		3523
2583	# my $AFTER = Event::time;	3524	$NOW = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585		3525
2586	# if we are delayed by four ticks or more, skip them all	3526	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3528
2589	$TICK_WATCHER->at ($NEXT_TICK);	3529	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3530	$TICK_WATCHER->start;
		3531
		3532	$LOAD = ($NOW - $tick_start) / $TICK;
		3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3534
		3535	_post_tick;
2591	},	3536	},
2592	);	3537	);
2593		3538
2594	{	3539	{
		3540	BDB::min_parallel 8;
2595	BDB::max_poll_time $TICK * 0.1;	3541	BDB::max_poll_time $TICK * 0.1;
2596	$BDB_POLL_WATCHER = Event->io (	3542	$BDB_POLL_WATCHER = Event->io (
2597	reentrant => 0,	3543	reentrant => 0,
2598	fd => BDB::poll_fileno,	3544	fd => BDB::poll_fileno,
2599	poll => 'r',	3545	poll => 'r',
2600	prio => 0,	3546	prio => 0,
2601	data => WF_AUTOCANCEL,	3547	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,	3548	cb => \&BDB::poll_cb,
2603	);	3549	);
2604	BDB::min_parallel 8;
2605		3550
2606	BDB::set_sync_prepare {	3551	BDB::set_sync_prepare {
2607	my $status;	3552	my $status;
2608	my $current = $Coro::current;	3553	my $current = $Coro::current;
2609	(	3554	(
…		…
2618	)	3563	)
2619	};	3564	};
2620		3565
2621	unless ($DB_ENV) {	3566	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3567	$DB_ENV = BDB::db_env_create;
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3572
2624	cf::sync_job {	3573	cf::sync_job {
2625	eval {	3574	eval {
2626	BDB::db_env_open	3575	BDB::db_env_open
2627	$DB_ENV,	3576	$DB_ENV,
2628	$BDB_ENV_DIR,	3577	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3580	0666;
2632		3581
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3582	cf::cleanup "db_env_open($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	};	3583	};
2638		3584
2639	cf::cleanup "db_env_open(db): $@" if $@;	3585	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3586	};
2641	}	3587	}
		3588
		3589	$BDB_DEADLOCK_WATCHER = Event->timer (
		3590	after => 3,
		3591	interval => 1,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3597	},
		3598	);
		3599	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3600	after => 11,
		3601	interval => 60,
		3602	hard => 1,
		3603	prio => 0,
		3604	data => WF_AUTOCANCEL,
		3605	cb => sub {
		3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3607	},
		3608	);
		3609	$BDB_TRICKLE_WATCHER = Event->timer (
		3610	after => 5,
		3611	interval => 10,
		3612	hard => 1,
		3613	prio => 0,
		3614	data => WF_AUTOCANCEL,
		3615	cb => sub {
		3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3617	},
		3618	);
2642	}	3619	}
2643		3620
2644	{	3621	{
2645	IO::AIO::min_parallel 8;	3622	IO::AIO::min_parallel 8;
2646		3623
…		…
2649	$AIO_POLL_WATCHER = Event->io (	3626	$AIO_POLL_WATCHER = Event->io (
2650	reentrant => 0,	3627	reentrant => 0,
2651	data => WF_AUTOCANCEL,	3628	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,	3629	fd => IO::AIO::poll_fileno,
2653	poll => 'r',	3630	poll => 'r',
2654	prio => 6,	3631	prio => 0,
2655	cb => \&IO::AIO::poll_cb,	3632	cb => \&IO::AIO::poll_cb,
2656	);	3633	);
2657	}	3634	}
2658		3635
		3636	my $_log_backtrace;
		3637
		3638	sub _log_backtrace {
		3639	my ($msg, @addr) = @_;
		3640
		3641	$msg =~ s/\n//;
		3642
		3643	# limit the # of concurrent backtraces
		3644	if ($_log_backtrace < 2) {
		3645	++$_log_backtrace;
		3646	async {
		3647	$Coro::current->{desc} = "abt $msg";
		3648
		3649	my @bt = fork_call {
		3650	@addr = map { sprintf "%x", $_ } @addr;
		3651	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3652	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3653	or die "addr2line: $!";
		3654
		3655	my @funcs;
		3656	my @res = <$fh>;
		3657	chomp for @res;
		3658	while (@res) {
		3659	my ($func, $line) = splice @res, 0, 2, ();
		3660	push @funcs, "[$func] $line";
		3661	}
		3662
		3663	@funcs
		3664	};
		3665
		3666	LOG llevInfo, "[ABT] $msg\n";
		3667	LOG llevInfo, "[ABT] $_\n" for @bt;
		3668	--$_log_backtrace;
		3669	};
		3670	} else {
		3671	LOG llevInfo, "[ABT] $msg\n";
		3672	LOG llevInfo, "[ABT] [suppressed]\n";
		3673	}
		3674	}
		3675
		3676	# load additional modules
		3677	use cf::pod;
		3678
2659	END { cf::emergency_save }	3679	END { cf::emergency_save }
2660		3680
2661	1	3681	1
2662		3682

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