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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use Event;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.61 ();	15	use Coro 4.1 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	63
		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";
58		75
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		83
67	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	88	our $DB_ENV;
69		89
70	our %CFG;	90	our %CFG;
71		91
72	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	93	our $RUNTIME;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		98
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		105
84	binmode STDOUT;	106	binmode STDOUT;
85	binmode STDERR;	107	binmode STDERR;
86		108
87	# read virtual server time, if available	109	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
92	}	114	}
93		115
94	mkdir cf::localdir;	116	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		118
101	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
102		120
103	sub cf::map::normalise;	121	sub cf::map::normalise;
104		122
…		…
115	=item $cf::RUNTIME	133	=item $cf::RUNTIME
116		134
117	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
118	every server tick.	136	every server tick.
119		137
120	=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
121		141
122	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		146
125	=item $cf::NOW	147	=item $cf::NOW
126		148
127	The time of the last (current) server tick.	149	The time of the last (current) server tick.
128		150
129	=item $cf::TICK	151	=item $cf::TICK
130		152
131	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.
132		164
133	=item %cf::CFG	165	=item %cf::CFG
134		166
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	168	from wherever your confdir points to.
…		…
139		171
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		181
144	=back	182	=back
145		183
146	=cut	184	=cut
147		185
148	BEGIN {	186	BEGIN {
149	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	188	my $msg = join "", @_;
151	utf8::encode $msg;
152		189
153	$msg .= "\n"	190	$msg .= "\n"
154	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
155		194
156	LOG llevError, $msg;	195	LOG llevError, $msg;
157	};	196	};
158	}	197	}
159		198
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		206
167	# 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
168	# within the Safe compartment.	208	# within the Safe compartment.
169	for my $pkg (qw(	209	for my $pkg (qw(
170	cf::global cf::attachable	210	cf::global cf::attachable
…		…
178	}	218	}
179		219
180	$Event::DIED = sub {	220	$Event::DIED = sub {
181	warn "error in event callback: @_";	221	warn "error in event callback: @_";
182	};	222	};
		223
		224	#############################################################################
183		225
184	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
185		227
186	=over 4	228	=over 4
187		229
…		…
206	$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;
207	$d	249	$d
208	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
209	}	251	}
210		252
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
214		254
215	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
216		256
217	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
218		258
219	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	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
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($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#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
261	}	329	}
262		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
…		…
268	};	336	};
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
271	}	339	}
272		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
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
276	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
277	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.
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	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)
286	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
287	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.
288		415
289	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
290	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
291	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
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
317	Coro::cede or Event::one_event;	452	Event::one_event;
318	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
319		462
320	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
321	} else {	464	} else {
322	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
323		466
…		…
343	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
344		487
345	$coro	488	$coro
346	}	489	}
347		490
348	sub write_runtime {	491	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		492
351	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
352		497
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
354	or return;
355		499
356	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		502
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
361	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
362		506
363	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	508	reset_signals;
365	and return;	509	&$cb
		510	}, @args;
366		511
367	close $fh	512	wantarray ? @res : $res[-1]
368	or return;	513	}
369		514
370	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
371	and return;
372		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
373	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
374	}	640	}
375		641
376	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
377		643
378	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
398		664
399	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	667	Crossfire TRT).
402		668
403	=over 4	669	=over 4
404		670
405	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
406		672
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
570		836
571	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		841
576	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	843	my $pkg = shift @arg;
578		844
579	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
609	}	875	}
610		876
611	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
612	} else {	878	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	880	}
615		881
616	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
617	}	883	}
618		884
…		…
620	if (ref $_[0]) {	886	if (ref $_[0]) {
621	_object_attach @_;	887	_object_attach @_;
622	} else {	888	} else {
623	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
624	}	890	}
		891	_recalc_want;
625	};	892	};
626		893
627	# all those should be optimised	894	# all those should be optimised
628	sub cf::attachable::detach {	895	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
633	reattach ($obj);	900	reattach ($obj);
634	} else {	901	} else {
635	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
636	}	903	}
		904	_recalc_want;
637	};	905	};
638		906
639	sub cf::attachable::attached {	907	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
641		909
…		…
656	";	924	";
657	die if $@;	925	die if $@;
658	}	926	}
659		927
660	our $override;	928	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		930
663	sub override {	931	sub override {
664	$override = 1;	932	$override = 1;
665	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
666	}	934	}
667		935
668	sub do_invoke {	936	sub do_invoke {
669	my $event = shift;	937	my $event = shift;
670	my $callbacks = shift;	938	my $callbacks = shift;
671		939
672	@invoke_results = ();	940	@INVOKE_RESULTS = ();
673		941
674	local $override;	942	local $override;
675		943
676	for (@$callbacks) {	944	for (@$callbacks) {
677	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
694		962
695	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
696		964
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		968
701	=back	969	=back
702		970
703	=cut	971	=cut
704		972
705	#############################################################################	973	#############################################################################
706	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
707		1017
708	sub reattach {	1018	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1020	my ($obj) = @_;
711		1021
…		…
758	sub object_freezer_save {	1068	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
760		1070
761	sync_job {	1071	sync_job {
762	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
765		1076
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1081	close $fh;
771		1082
772	if (@$objs) {	1083	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1089	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
780	}	1091	}
…		…
788	}	1099	}
789	} else {	1100	} else {
790	aio_unlink $filename;	1101	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
792	}	1103	}
793	}	1104	};
794	}	1105	}
795		1106
796	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
798		1109
…		…
810	or return;	1121	or return;
811		1122
812	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
814	or return;	1125	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };
816	}
817		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
820	return ($data, $av);	1136	($data, $av)
821	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
822		1144
823	#############################################################################	1145	#############################################################################
824	# command handling &c	1146	# command handling &c
825		1147
826	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1162	}
841		1163
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1165
844	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
845		1171
846	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
847	called.	1173	called.
848		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
849	=cut	1186	=cut
850		1187
851	sub register_extcmd {	1188	sub register_extcmd {
852	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
853		1190
854	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
855	}	1198	}
856		1199
857	cf::player->attach (	1200	cf::player->attach (
858	on_command => sub {	1201	on_command => sub {
859	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1211	cf::override;
869	},	1212	},
870	on_extcmd => sub {	1213	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
872		1215
873	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1217
875	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
881	} else {	1233	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1235	}
884		1236
885	cf::override;	1237	cf::override;
886	},	1238	},
887	);	1239	);
888		1240
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 {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
924	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1246	next unless -r $path;
926	eval {	1247
927	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
928	1	1305	}
929	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
930	}	1311	};
931	}	1312	}
932		1313
933	#############################################################################	1314	#############################################################################
934		1315
		1316	=back
		1317
935	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
936		1319
937	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
938		1321
939	=cut	1322	=cut
…		…
944		1327
945	=head3 cf::player	1328	=head3 cf::player
946		1329
947	=over 4	1330	=over 4
948		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
949	=item cf::player::find $login	1346	=item cf::player::find $login
950		1347
951	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
952		1349
953	=cut	1350	=cut
954		1351
955	sub playerdir($) {	1352	sub playerdir($) {
956	cf::localdir	1353	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1355	}
962		1356
963	sub path($) {	1357	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1388	aio_unlink +(playerdir $login) . "/$login.pl";
995		1389
996	my $pl = load_pl path $login	1390	my $f = new_from_file cf::object::thawer path $login
997	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
999	}	1398	}
1000	}	1399	}
1001	}	1400	}
1002		1401
…		…
1012		1411
1013	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1015		1414
1016	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1017	Coro::cede;	1416	cf::cede_to_tick;
1018	}	1417	}
1019		1418
1020	sub new($) {	1419	sub new($) {
1021	my ($login) = @_;	1420	my ($login) = @_;
1022		1421
…		…
1026	$self->{deny_save} = 1;	1425	$self->{deny_save} = 1;
1027		1426
1028	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1029		1428
1030	$self	1429	$self
		1430	}
		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
1031	}	1440	}
1032		1441
1033	=item $pl->quit_character	1442	=item $pl->quit_character
1034		1443
1035	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1085		1494
1086	=cut	1495	=cut
1087		1496
1088	sub list_logins {	1497	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1499	or return [];
1091		1500
1092	my @logins;	1501	my @logins;
1093		1502
1094	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1098		1512
1099	utf8::decode $login;	1513	utf8::decode $login;
1100	push @logins, $login;	1514	push @logins, $login;
1101	}	1515	}
1102		1516
…		…
1129	}	1543	}
1130		1544
1131	\@paths	1545	\@paths
1132	}	1546	}
1133		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1134	=item $player->ext_reply ($msgid, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1135		1600
1136	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1137		1602
1138	=cut	1603	=cut
1139		1604
1140	sub ext_reply($$%) {	1605	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1142		1607
1143	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1609	}
1147		1610
1148	=item $player->ext_event ($type, %msg)	1611	=item $player->ext_msg ($type, @msg)
1149		1612
1150	Sends an ext event to the client.	1613	Sends an ext event to the client.
1151		1614
1152	=cut	1615	=cut
1153		1616
1154	sub ext_event($$%) {	1617	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1618	my ($self, $type, @msg) = @_;
1156		1619
1157	$self->ns->ext_event ($type, %msg);	1620	$self->ns->ext_msg ($type, @msg);
1158	}	1621	}
1159		1622
1160	=head3 cf::region	1623	=head3 cf::region
1161		1624
1162	=over 4	1625	=over 4
…		…
1165		1628
1166	package cf::region;	1629	package cf::region;
1167		1630
1168	=item cf::region::find_by_path $path	1631	=item cf::region::find_by_path $path
1169		1632
1170	Tries to decuce the probable region for a map knowing only its path.	1633	Tries to decuce the likely region for a map knowing only its path.
1171		1634
1172	=cut	1635	=cut
1173		1636
1174	sub find_by_path($) {	1637	sub find_by_path($) {
1175	my ($path) = @_;	1638	my ($path) = @_;
1176		1639
1177	my ($match, $specificity);	1640	my ($match, $specificity);
1178		1641
1179	for my $region (list) {	1642	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1643	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1644	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1645	if $region->specificity > $specificity;
1183	}	1646	}
1184	}	1647	}
1185		1648
…		…
1249	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1250		1713
1251	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1252	local $self->{path};	1715	local $self->{path};
1253	local $self->{load_path};	1716	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1717
1257	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1258	}	1719	}
1259		1720
1260	sub normalise {	1721	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1308	return $self;	1769	return $self;
1309	}	1770	}
1310	}	1771	}
1311		1772
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1774	()
1314	}	1775	}
1315		1776
1316	sub init {	1777	sub init {
1317	my ($self) = @_;	1778	my ($self) = @_;
…		…
1332		1793
1333	# the original (read-only) location	1794	# the original (read-only) location
1334	sub load_path {	1795	sub load_path {
1335	my ($self) = @_;	1796	my ($self) = @_;
1336		1797
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1798	"$MAPDIR/$self->{path}.map"
1338	}	1799	}
1339		1800
1340	# the temporary/swap location	1801	# the temporary/swap location
1341	sub save_path {	1802	sub save_path {
1342	my ($self) = @_;	1803	my ($self) = @_;
1343		1804
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1806	"$TMPDIR/$path.map"
1346	}	1807	}
1347		1808
1348	# the unique path, undef == no special unique path	1809	# the unique path, undef == no special unique path
1349	sub uniq_path {	1810	sub uniq_path {
1350	my ($self) = @_;	1811	my ($self) = @_;
1351		1812
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1814	"$UNIQUEDIR/$path"
1354	}	1815	}
1355		1816
1356	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1357	# all maps in C++...	1818	# all maps in C++...
1358	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1360		1821
1361	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1363	}	1824	}
1364		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1365	sub unlink_save {	1834	sub unlink_save {
1366	my ($self) = @_;	1835	my ($self) = @_;
1367		1836
1368	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1841
1373	sub load_header_from($) {	1842	sub load_header_from($) {
1374	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1375		1844
1376	utf8::encode $path;	1845	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1382		1854
1383	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1384		1856
1385	1	1857	1
1386	}	1858	}
…		…
1425	$self->load_header_orig	1897	$self->load_header_orig
1426	or return;	1898	or return;
1427	$self->prepare_orig;	1899	$self->prepare_orig;
1428	}	1900	}
1429		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
1430	$self->default_region (cf::region::find_by_path $self->{path})	1905	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1906	unless $self->default_region;
1432		1907
1433	1	1908	1
1434	}	1909	}
…		…
1437	sub find {	1912	sub find {
1438	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1439		1914
1440	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1441		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1443		1919
1444	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1446	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1447	or return;	1925	or return;
1448		1926
1449	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1450		1928
1451	$map->load_header	1929	$map->load_header
1452	or return;	1930	or return;
1453		1931
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1457	$map->reset;	1937	$map->reset;
1458	undef $guard;
1459	return find $path;	1938	return find $path;
1460	}	1939	}
1461		1940
1462	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1463	}	1942	}
…		…
1470	my ($self) = @_;	1949	my ($self) = @_;
1471		1950
1472	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1473		1952
1474	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1476		1957
		1958	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1960
1479	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1480		1962
1481	$self->alloc;	1963	$self->alloc;
1482		1964
1483	$self->pre_load;	1965	$self->pre_load;
1484	Coro::cede;	1966	cf::cede_to_tick;
1485		1967
1486	$self->_load_objects ($self->{load_path}, 1)	1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1487	or return;	1971	or return;
1488		1972
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	1974	if delete $self->{load_original};
1491		1975
1492	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	1977	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	1980	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1497	}	1984	}
1498	}	1985	}
1499		1986
1500	Coro::cede;	1987	$f->resolve_delayed_derefs;
		1988
		1989	cf::cede_to_tick;
1501	# now do the right thing for maps	1990	# now do the right thing for maps
1502	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1993	unless $self->difficulty;
1513	Coro::cede;	1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1514	$self->activate;	2003	$self->activate;
1515	Coro::cede;	2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
		2009	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	2010	}
1517		2011
1518	$self->post_load;	2012	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2013	}
1523		2014
1524	sub customise_for {	2015	sub customise_for {
1525	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1526		2017
1527	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2019	if $self->per_player;
1529		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1530	$self	2024	$self
1531	}	2025	}
1532		2026
1533	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2028	sub load_neighbours {
1535	my ($map) = @_;	2029	my ($map) = @_;
1536		2030
1537	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1538		2032
1539	for (0 .. 3) {	2033	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1541	or next;	2035	or next;
1542	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1543	or next;	2037	or next;
1544	$neigh->load;	2038	$neigh->load;
1545		2039
		2040	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2043	}
1549		2044
1550	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1552	or next;	2048	or next;
1553	$neigh->load;	2049	$neigh->load;
1554	}	2050	}
1555	}	2051	}
1556		2052
…		…
1561	}	2057	}
1562		2058
1563	sub do_load_sync {	2059	sub do_load_sync {
1564	my ($map) = @_;	2060	my ($map) = @_;
1565		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1566	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1567	}	2066	}
1568		2067
1569	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1571		2070
1572	sub find_async {	2071	sub find_async {
1573	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1574		2073
1575	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1576		2075
1577	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2078	}
1580		2079
1581	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1582	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1583	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2087	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2088	$map->load if $v;
		2089	}
1588		2090
1589	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1590	}	2092	}
1591	}	2093	}
1592	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1593	};	2095	};
1594	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2099	}
1598		2100
1599	sub save {	2101	sub save {
1600	my ($self) = @_;	2102	my ($self) = @_;
1601		2103
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2105
1604	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1605		2107
1606	return unless $self->dirty;	2108	return unless $self->dirty;
1607		2109
…		…
1613	return if $self->{deny_save};	2115	return if $self->{deny_save};
1614		2116
1615	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1616		2118
1617	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1619	};	2122	};
1620		2123
1621	if ($uniq) {	2124	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2133	my ($self) = @_;
1631		2134
1632	# save first because save cedes	2135	# save first because save cedes
1633	$self->save;	2136	$self->save;
1634		2137
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2139
1637	return if $self->players;	2140	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2142	return if $self->{deny_save};
1640		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2148	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2149	}
1644		2150
1645	sub reset_at {	2151	sub reset_at {
1646	my ($self) = @_;	2152	my ($self) = @_;
1647		2153
1648	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1651		2156
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2159
…		…
1665	my ($self) = @_;	2170	my ($self) = @_;
1666		2171
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2173
1669	return if $self->players;	2174	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2175
1672	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
1673		2177
1674	$self->in_memory (cf::MAP_SWAPPED);	2178	$self->in_memory (cf::MAP_SWAPPED);
1675		2179
1676	# need to save uniques path	2180	# need to save uniques path
1677	unless ($self->{deny_save}) {	2181	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2185	if $uniq;
1682	}	2186	}
1683		2187
1684	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1685		2189
		2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2192	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2193
1690	$self->unlink_save;	2194	$self->unlink_save;
1691	$self->destroy;	2195	$self->destroy;
1692	}	2196	}
1693		2197
1694	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1695		2199
1696	sub nuke {	2200	sub nuke {
1697	my ($self) = @_;	2201	my ($self) = @_;
1698		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1699	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1700		2207
1701	$self->unlink_save;	2208	$self->unlink_save;
1702		2209
1703	bless $self, "cf::map";	2210	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2215
1709	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1710		2218
1711	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1712	}	2256	}
1713		2257
1714	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1715		2259
1716	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2261	instantiated unique items. May block.
1718		2262
1719	=cut	2263	=cut
1720		2264
1721	sub unique_maps() {	2265	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2266	[
1723	or return;	2267	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2268	utf8::decode $_;
1729	next if /\.pst$/;	2269	/\.map$/
1730	next unless /^$PATH_SEP/o;	2270	? normalise $_
1731		2271	: ()
1732	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2273	]
1734
1735	\@paths
1736	}	2274	}
1737		2275
1738	package cf;	2276	package cf;
1739		2277
1740	=back	2278	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1759	}	2297	}
1760		2298
1761	sub inv_recursive {	2299	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1763	}	2329	}
1764		2330
1765	package cf;	2331	package cf;
1766		2332
1767	=back	2333	=back
…		…
1786		2352
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2354
1789	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1791	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1794	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1795	}	2380	}
1796		2381
1797	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1798		2383
1799	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1847		2432
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2434
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1852		2437
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2439	}
1855		2440
1856	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1858		2445
1859	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1860		2447
1861	unless ($map) {	2448	unless ($map) {
1862	# restore original map position	2449	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1879		2466
1880	$map->load;	2467	$map->load;
1881	$map->load_diag;	2468	$map->load_neighbours;
1882		2469
1883	return unless $self->contr->active;	2470	return unless $self->contr->active;
1884	$self->activate_recursive;	2471	$self->activate_recursive;
1885		2472
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1888	}	2475	}
1889		2476
1890	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2478
1894	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1898	};	2483	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2484
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1925		2488
1926	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2494
1929	$self->enter_link;	2495	$self->enter_link;
1930		2496
1931	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1932	my $map = eval {	2519	my $map = eval {
1933	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
		2524	$map = $check->($map) if $check && $map;
		2525	} else {
		2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
		2528
1935	$map	2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2535	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1940	})->prio (1);	2543	})->prio (1);
1941	}	2544	}
1942		2545
1943	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1944		2547
…		…
1983		2586
1984	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1985		2588
1986	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2591	my $meta = "$RANDOMDIR/$md5.meta";
1989		2592
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2595	undef $fh;
1993	aio_rename "$meta~", $meta;	2596	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
2015		2618
2016	$self->enter_link;	2619	$self->enter_link;
2017		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
2018	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
2019	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2629	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
2022		2631
2023	1;	2632	1;
…		…
2049		2658
2050	utf8::encode $text;	2659	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2661	}
2053		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
2054	=item $client->ext_event ($type, %msg)	2756	=item $client->ext_msg ($type, @msg)
2055		2757
2056	Sends an exti event to the client.	2758	Sends an ext event to the client.
2057		2759
2058	=cut	2760	=cut
2059		2761
2060	sub cf::client::ext_event($$%) {	2762	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2763	my ($self, $type, @msg) = @_;
2062		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2768	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
2065	}	2789	}
2066		2790
2067	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
2068		2792
2069	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2796
2073	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2798	become reliable at some point in the future.
2075		2799
2076	=cut	2800	=cut
2077		2801
2078	sub cf::client::query {	2802	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2811	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2813
2090	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2092	}	2818	}
2093		2819
2094	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2095	on_reply => sub {	2826	on_reply => sub {
2096	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2097		2828
2098	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2099	# get handled first	2830	# get handled first
…		…
2111	} else {	2842	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2844	}
2114	}	2845	}
2115	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2116	);	2873	);
2117		2874
2118	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2119		2876
2120	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2163		2920
2164	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2165		2922
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2167		2928
2168	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2169		2930
2170	=pod	2931	=pod
2171		2932
2172	The following functions and methods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2173		2934
2174	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2175	cf::object::player player	2939	cf::object::player
2176	cf::player peaceful	2940	player
2177	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2178		2947
2179	=cut	2948	=cut
2180		2949
2181	for (	2950	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2186	) {	2957	) {
2187	no strict 'refs';	2958	no strict 'refs';
…		…
2258	=back	3029	=back
2259		3030
2260	=cut	3031	=cut
2261		3032
2262	#############################################################################	3033	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3034	# the server's init and main functions
2336		3035
2337	sub load_facedata {	3036	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3044
2340	warn "loading facedata from $path\n";	3045	warn "loading facedata from $path\n";
2341		3046
2342	my $facedata;	3047	my $facedata;
2343	0 < aio_load $path, $facedata	3048	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3051	$facedata = Coro::Storable::thaw $facedata;
2347		3052
2348	$facedata->{version} == 2	3053	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
2351	{	3063	{
2352	my $faces = $facedata->{faceinfo};	3064	my $faces = $facedata->{faceinfo};
2353		3065
2354	while (my ($face, $info) = each %$faces) {	3066	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3072
		3073	cf::cede_to_tick;
2360	}	3074	}
2361		3075
2362	while (my ($face, $info) = each %$faces) {	3076	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3077	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	3078	my $idx = cf::face::find $face
2365	or next;	3079	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3083	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3085	}
2371	Coro::cede;	3086
		3087	cf::cede_to_tick;
2372	}	3088	}
2373	}	3089	}
2374		3090
2375	{	3091	{
2376	my $anims = $facedata->{animinfo};	3092	my $anims = $facedata->{animinfo};
2377		3093
2378	while (my ($anim, $info) = each %$anims) {	3094	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3096	cf::cede_to_tick;
2381	}	3097	}
2382		3098
2383	cf::anim::invalidate_all; # d'oh	3099	cf::anim::invalidate_all; # d'oh
2384	}	3100	}
2385		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
2386	1	3151	1
2387	}	3152	}
2388		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
		3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
2389	sub load_archetypes {	3181	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3182	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
2392	}	3189	}
2393		3190
2394	sub load_treasures {	3191	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
2396	}	3194	}
2397		3195
2398	sub reload_resources {	3196	sub reload_resources {
2399	warn "reloading resource files...\n";	3197	warn "reloading resource files...\n";
2400		3198
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3199	reload_regions;
2402	or die "unable to load regions file\n";
2403	load_facedata	3200	reload_facedata;
2404	or die "unable to load facedata\n";	3201	#reload_archetypes;#d#
2405	load_archetypes	3202	reload_archetypes;
2406	or die "unable to load archetypes\n";
2407	load_treasures	3203	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3204
2410	warn "finished reloading resource files\n";	3205	warn "finished reloading resource files\n";
2411	}	3206	}
2412		3207
2413	sub init {	3208	sub init {
2414	reload_resources;	3209	reload_resources;
2415	}	3210	}
2416		3211
2417	sub cfg_load {	3212	sub reload_config {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3214	or return;
2420		3215
2421	local $/;	3216	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2423		3218
…		…
2438	sub main {	3233	sub main {
2439	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2443	Event::one_event;	3239	Event::one_event;
2444	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2445	};	3241	};
2446		3242
2447	cfg_load;	3243	reload_config;
2448	db_init;	3244	db_init;
2449	load_extensions;	3245	load_extensions;
2450		3246
2451	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2452	Event::loop;	3248	Event::loop;
…		…
2468	},	3264	},
2469	);	3265	);
2470	}	3266	}
2471	}	3267	}
2472		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2473	sub emergency_save() {	3307	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2475		3309
2476	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2477		3311
…		…
2481	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2483	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3321	$pl->save;
2487	}	3322	}
2488	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2489		3324
2490	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2508		3343
2509	warn Carp::longmess "post_cleanup backtrace"	3344	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3345	if $make_core;
2511	}	3346	}
2512		3347
2513	sub reload() {	3348	sub do_reload_perl() {
2514	# can/must only be called in main	3349	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3351	warn "can only reload from main coroutine";
2517	return;	3352	return;
2518	}	3353	}
…		…
2538		3373
2539	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2540	for (;;) {	3375	for (;;) {
2541	BDB::flush;	3376	BDB::flush;
2542	IO::AIO::flush;	3377	IO::AIO::flush;
2543	Coro::cede;	3378	Coro::cede_notself;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2545	warn "iterate...";	3380	warn "iterate...";
2546	}	3381	}
2547		3382
2548	++$RELOAD;	3383	++$RELOAD;
…		…
2552	%EXT_CORO = ();	3387	%EXT_CORO = ();
2553		3388
2554	warn "removing commands";	3389	warn "removing commands";
2555	%COMMAND = ();	3390	%COMMAND = ();
2556		3391
2557	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2558	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2559		3395
2560	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2563		3399
…		…
2593	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3431
2596	warn "unloading cf.pm \"a bit\"";	3432	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2598		3435
2599	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3437	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2602		3439
…		…
2605	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2606	require cf;	3443	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3445
2609	warn "loading config and database again";	3446	warn "loading config and database again";
2610	cf::cfg_load;	3447	cf::reload_config;
2611		3448
2612	warn "loading extensions";	3449	warn "loading extensions";
2613	cf::load_extensions;	3450	cf::load_extensions;
2614		3451
2615	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
…		…
2617	warn "reattaching attachments to maps";	3454	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3456	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3457	reattach $_ for values %PLAYER;
2621		3458
2622	warn "loading reloadable resources";
2623	reload_resources;
2624
2625	warn "leaving sync_job";	3459	warn "leaving sync_job";
2626		3460
2627	1	3461	1
2628	} or do {	3462	} or do {
2629	warn $@;	3463	warn $@;
…		…
2634	warn "reloaded";	3468	warn "reloaded";
2635	};	3469	};
2636		3470
2637	our $RELOAD_WATCHER; # used only during reload	3471	our $RELOAD_WATCHER; # used only during reload
2638		3472
		3473	sub reload_perl() {
		3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
		3476
		3477	$RELOAD_WATCHER ||= Event->timer (
		3478	reentrant => 0,
		3479	after => 0,
		3480	data => WF_AUTOCANCEL,
		3481	cb => sub {
		3482	do_reload_perl;
		3483	undef $RELOAD_WATCHER;
		3484	},
		3485	);
		3486	}
		3487
2639	register_command "reload" => sub {	3488	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2641		3490
2642	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
2644		3493	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3494	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3495	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3496	};
2657	}	3497	}
2658	};	3498	};
2659		3499
2660	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2661		3501
…		…
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3534	unless ++$bug_warning > 10;
2695	return;	3535	return;
2696	}	3536	}
2697		3537
2698	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2699		3539
2700	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
2701		3541
2702	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2704		3544
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2707	Coro::async_pool {	3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3549	write_runtime
2709	or warn "ERROR: unable to write runtime file: $!";	3550	or warn "ERROR: unable to write runtime file: $!";
2710	};	3551	};
2711	}	3552	}
2712		3553
2713	# my $AFTER = Event::time;	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2714	# warn $AFTER - $NOW;#d#	3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
		3560
		3561	$NOW = Event::time;
2715		3562
2716	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2718		3565
2719	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
2721		3568
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3569	$LOAD = ($NOW - $tick_start) / $TICK;
2723	$sig->send;	3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2724	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;
2727	}
2728		3571
2729	_post_tick;	3572	_post_tick;
2730	},	3573	},
2731	);	3574	);
2732		3575
2733	{	3576	{
		3577	BDB::min_parallel 8;
2734	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2735	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2736	reentrant => 0,	3580	reentrant => 0,
2737	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2738	poll => 'r',	3582	poll => 'r',
2739	prio => 0,	3583	prio => 0,
2740	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2742	);	3586	);
2743	BDB::min_parallel 8;
2744		3587
2745	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2746	my $status;	3589	my $status;
2747	my $current = $Coro::current;	3590	my $current = $Coro::current;
2748	(	3591	(
…		…
2757	)	3600	)
2758	};	3601	};
2759		3602
2760	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		3609
2763	cf::sync_job {	3610	cf::sync_job {
2764	eval {	3611	eval {
2765	BDB::db_env_open	3612	BDB::db_env_open
2766	$DB_ENV,	3613	$DB_ENV,
2767	$BDB_ENV_DIR,	3614	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3617	0666;
2771		3618
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	3620	};
2777		3621
2778	cf::cleanup "db_env_open(db): $@" if $@;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	3623	};
2780	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2781	}	3656	}
2782		3657
2783	{	3658	{
2784	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
2785		3660
…		…
2788	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2789	reentrant => 0,	3664	reentrant => 0,
2790	data => WF_AUTOCANCEL,	3665	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2792	poll => 'r',	3667	poll => 'r',
2793	prio => 6,	3668	prio => 0,
2794	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2795	);	3670	);
2796	}	3671	}
2797		3672
		3673	my $_log_backtrace;
		3674
		3675	sub _log_backtrace {
		3676	my ($msg, @addr) = @_;
		3677
		3678	$msg =~ s/\n//;
		3679
		3680	# limit the # of concurrent backtraces
		3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
		3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
		3710	}
		3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
		3715
2798	END { cf::emergency_save }	3716	END { cf::emergency_save }
2799		3717
2800	1	3718	1
2801		3719

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