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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC vs.
Revision 1.390 by root, Thu Oct 25 09:01:24 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use Event;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.1 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
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";
58		63
59	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
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::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;
		1126
815	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
816	}	1129	}
817		1130
		1131	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
820	return ($data, $av);	1135	($data, $av)
821	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
822		1143
823	#############################################################################	1144	#############################################################################
824	# command handling &c	1145	# command handling &c
825		1146
826	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1161	}
841		1162
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1164
844	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
845		1170
846	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
847	called.	1172	called.
848		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
849	=cut	1185	=cut
850		1186
851	sub register_extcmd {	1187	sub register_extcmd {
852	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
853		1189
854	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
855	}	1197	}
856		1198
857	cf::player->attach (	1199	cf::player->attach (
858	on_command => sub {	1200	on_command => sub {
859	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1210	cf::override;
869	},	1211	},
870	on_extcmd => sub {	1212	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
872		1214
873	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1216
875	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
881	} else {	1232	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1234	}
884		1235
885	cf::override;	1236	cf::override;
886	},	1237	},
887	);	1238	);
888		1239
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 {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
924	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1245	next unless -r $path;
926	eval {	1246
927	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
928	1	1304	}
929	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
930	}	1310	};
931	}	1311	}
932		1312
933	#############################################################################	1313	#############################################################################
934		1314
		1315	=back
		1316
935	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
936		1318
937	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
938		1320
939	=cut	1321	=cut
…		…
944		1326
945	=head3 cf::player	1327	=head3 cf::player
946		1328
947	=over 4	1329	=over 4
948		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
949	=item cf::player::find $login	1345	=item cf::player::find $login
950		1346
951	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
952		1348
953	=cut	1349	=cut
954		1350
955	sub playerdir($) {	1351	sub playerdir($) {
956	cf::localdir	1352	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1354	}
962		1355
963	sub path($) {	1356	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
995		1388
996	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
997	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
999	}	1397	}
1000	}	1398	}
1001	}	1399	}
1002		1400
…		…
1012		1410
1013	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1015		1413
1016	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1017	Coro::cede;	1415	cf::cede_to_tick;
1018	}	1416	}
1019		1417
1020	sub new($) {	1418	sub new($) {
1021	my ($login) = @_;	1419	my ($login) = @_;
1022		1420
…		…
1026	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1027		1425
1028	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1029		1427
1030	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1031	}	1439	}
1032		1440
1033	=item $pl->quit_character	1441	=item $pl->quit_character
1034		1442
1035	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1085		1493
1086	=cut	1494	=cut
1087		1495
1088	sub list_logins {	1496	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1498	or return [];
1091		1499
1092	my @logins;	1500	my @logins;
1093		1501
1094	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1098		1511
1099	utf8::decode $login;	1512	utf8::decode $login;
1100	push @logins, $login;	1513	push @logins, $login;
1101	}	1514	}
1102		1515
…		…
1129	}	1542	}
1130		1543
1131	\@paths	1544	\@paths
1132	}	1545	}
1133		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1134	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1135		1599
1136	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1137		1601
1138	=cut	1602	=cut
1139		1603
1140	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1142		1606
1143	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1608	}
1147		1609
1148	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1149		1611
1150	Sends an ext event to the client.	1612	Sends an ext event to the client.
1151		1613
1152	=cut	1614	=cut
1153		1615
1154	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1156		1618
1157	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1158	}	1620	}
1159		1621
1160	=head3 cf::region	1622	=head3 cf::region
1161		1623
1162	=over 4	1624	=over 4
…		…
1165		1627
1166	package cf::region;	1628	package cf::region;
1167		1629
1168	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1169		1631
1170	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1171		1633
1172	=cut	1634	=cut
1173		1635
1174	sub find_by_path($) {	1636	sub find_by_path($) {
1175	my ($path) = @_;	1637	my ($path) = @_;
1176		1638
1177	my ($match, $specificity);	1639	my ($match, $specificity);
1178		1640
1179	for my $region (list) {	1641	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1183	}	1645	}
1184	}	1646	}
1185		1647
…		…
1249	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1250		1712
1251	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1252	local $self->{path};	1714	local $self->{path};
1253	local $self->{load_path};	1715	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1716
1257	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1258	}	1718	}
1259		1719
1260	sub normalise {	1720	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1308	return $self;	1768	return $self;
1309	}	1769	}
1310	}	1770	}
1311		1771
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1773	()
1314	}	1774	}
1315		1775
1316	sub init {	1776	sub init {
1317	my ($self) = @_;	1777	my ($self) = @_;
…		…
1332		1792
1333	# the original (read-only) location	1793	# the original (read-only) location
1334	sub load_path {	1794	sub load_path {
1335	my ($self) = @_;	1795	my ($self) = @_;
1336		1796
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1338	}	1798	}
1339		1799
1340	# the temporary/swap location	1800	# the temporary/swap location
1341	sub save_path {	1801	sub save_path {
1342	my ($self) = @_;	1802	my ($self) = @_;
1343		1803
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1346	}	1806	}
1347		1807
1348	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1349	sub uniq_path {	1809	sub uniq_path {
1350	my ($self) = @_;	1810	my ($self) = @_;
1351		1811
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1354	}	1814	}
1355		1815
1356	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1357	# all maps in C++...	1817	# all maps in C++...
1358	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1360		1820
1361	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1363	}	1823	}
1364		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1365	sub unlink_save {	1833	sub unlink_save {
1366	my ($self) = @_;	1834	my ($self) = @_;
1367		1835
1368	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1840
1373	sub load_header_from($) {	1841	sub load_header_from($) {
1374	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1375		1843
1376	utf8::encode $path;	1844	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1382		1853
1383	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1384		1855
1385	1	1856	1
1386	}	1857	}
…		…
1425	$self->load_header_orig	1896	$self->load_header_orig
1426	or return;	1897	or return;
1427	$self->prepare_orig;	1898	$self->prepare_orig;
1428	}	1899	}
1429		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
1430	$self->default_region (cf::region::find_by_path $self->{path})	1904	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1905	unless $self->default_region;
1432		1906
1433	1	1907	1
1434	}	1908	}
…		…
1437	sub find {	1911	sub find {
1438	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1439		1913
1440	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1441		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1443		1918
1444	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1446	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1447	or return;	1924	or return;
1448		1925
1449	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1450		1927
1451	$map->load_header	1928	$map->load_header
1452	or return;	1929	or return;
1453		1930
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1457	$map->reset;	1936	$map->reset;
1458	undef $guard;
1459	return find $path;	1937	return find $path;
1460	}	1938	}
1461		1939
1462	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1463	}	1941	}
…		…
1470	my ($self) = @_;	1948	my ($self) = @_;
1471		1949
1472	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1473		1951
1474	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1476		1956
		1957	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1959
1479	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1480		1961
1481	$self->alloc;	1962	$self->alloc;
1482		1963
1483	$self->pre_load;	1964	$self->pre_load;
1484	Coro::cede;	1965	cf::cede_to_tick;
1485		1966
1486	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1487	or return;	1970	or return;
1488		1971
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	1973	if delete $self->{load_original};
1491		1974
1492	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	1976	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	1979	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1497	}	1983	}
1498	}	1984	}
1499		1985
1500	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1501	# now do the right thing for maps	1989	# now do the right thing for maps
1502	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	1991	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1992	unless $self->difficulty;
1513	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1514	$self->activate;	2002	$self->activate;
1515	Coro::cede;	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	2009	}
1517		2010
1518	$self->post_load;	2011	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2012	}
1523		2013
1524	sub customise_for {	2014	sub customise_for {
1525	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1526		2016
1527	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2018	if $self->per_player;
1529		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1530	$self	2023	$self
1531	}	2024	}
1532		2025
1533	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2027	sub load_neighbours {
1535	my ($map) = @_;	2028	my ($map) = @_;
1536		2029
1537	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1538		2031
1539	for (0 .. 3) {	2032	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1541	or next;	2034	or next;
1542	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1543	or next;	2036	or next;
1544	$neigh->load;	2037	$neigh->load;
1545		2038
		2039	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2042	}
1549		2043
1550	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1552	or next;	2047	or next;
1553	$neigh->load;	2048	$neigh->load;
1554	}	2049	}
1555	}	2050	}
1556		2051
…		…
1561	}	2056	}
1562		2057
1563	sub do_load_sync {	2058	sub do_load_sync {
1564	my ($map) = @_;	2059	my ($map) = @_;
1565		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1566	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1567	}	2065	}
1568		2066
1569	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1571		2069
1572	sub find_async {	2070	sub find_async {
1573	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1574		2072
1575	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1576		2074
1577	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2077	}
1580		2078
1581	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1582	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1583	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2086	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2087	$map->load if $v;
		2088	}
1588		2089
1589	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1590	}	2091	}
1591	}	2092	}
1592	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1593	};	2094	};
1594	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2098	}
1598		2099
1599	sub save {	2100	sub save {
1600	my ($self) = @_;	2101	my ($self) = @_;
1601		2102
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2104
1604	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1605		2106
1606	return unless $self->dirty;	2107	return unless $self->dirty;
1607		2108
…		…
1613	return if $self->{deny_save};	2114	return if $self->{deny_save};
1614		2115
1615	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1616		2117
1617	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1619	};	2121	};
1620		2122
1621	if ($uniq) {	2123	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2132	my ($self) = @_;
1631		2133
1632	# save first because save cedes	2134	# save first because save cedes
1633	$self->save;	2135	$self->save;
1634		2136
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2138
1637	return if $self->players;	2139	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2141	return if $self->{deny_save};
1640		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2147	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2148	}
1644		2149
1645	sub reset_at {	2150	sub reset_at {
1646	my ($self) = @_;	2151	my ($self) = @_;
1647		2152
1648	# TODO: safety, remove and allow resettable per-player maps	2153	# 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};	2154	return 1e99 if $self->{deny_reset};
1651		2155
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2158
…		…
1665	my ($self) = @_;	2169	my ($self) = @_;
1666		2170
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2172
1669	return if $self->players;	2173	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2174
1672	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1673		2176
1674	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1675		2178
1676	# need to save uniques path	2179	# need to save uniques path
1677	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2184	if $uniq;
1682	}	2185	}
1683		2186
1684	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1685		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2191	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2192
1690	$self->unlink_save;	2193	$self->unlink_save;
1691	$self->destroy;	2194	$self->destroy;
1692	}	2195	}
1693		2196
1694	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1695		2198
1696	sub nuke {	2199	sub nuke {
1697	my ($self) = @_;	2200	my ($self) = @_;
1698		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1699	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1700		2206
1701	$self->unlink_save;	2207	$self->unlink_save;
1702		2208
1703	bless $self, "cf::map";	2209	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2214
1709	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1710		2217
1711	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1712	}	2255	}
1713		2256
1714	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1715		2258
1716	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2260	instantiated unique items. May block.
1718		2261
1719	=cut	2262	=cut
1720		2263
1721	sub unique_maps() {	2264	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1723	or return;	2266	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2267	utf8::decode $_;
1729	next if /\.pst$/;	2268	/\.map$/
1730	next unless /^$PATH_SEP/o;	2269	? normalise $_
1731		2270	: ()
1732	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2272	]
1734
1735	\@paths
1736	}	2273	}
1737		2274
1738	package cf;	2275	package cf;
1739		2276
1740	=back	2277	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1759	}	2296	}
1760		2297
1761	sub inv_recursive {	2298	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1763	}	2328	}
1764		2329
1765	package cf;	2330	package cf;
1766		2331
1767	=back	2332	=back
…		…
1786		2351
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2353
1789	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1791	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1794	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1795	}	2379	}
1796		2380
1797	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1798		2382
1799	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1847		2431
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2433
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1852		2436
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2438	}
1855		2439
1856	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1858		2444
1859	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1860		2446
1861	unless ($map) {	2447	unless ($map) {
1862	# restore original map position	2448	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1879		2465
1880	$map->load;	2466	$map->load;
1881	$map->load_diag;	2467	$map->load_neighbours;
1882		2468
1883	return unless $self->contr->active;	2469	return unless $self->contr->active;
1884	$self->activate_recursive;	2470	$self->activate_recursive;
1885		2471
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1888	}	2474	}
1889		2475
1890	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2477
1894	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1898	};	2482	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2483
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	2484	=cut
		2485
		2486	our $GOTOGEN;
1925		2487
1926	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2493
1929	$self->enter_link;	2494	$self->enter_link;
1930		2495
1931	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1932	my $map = eval {	2518	my $map = eval {
1933	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1935	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2534	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1940	})->prio (1);	2542	})->prio (1);
1941	}	2543	}
1942		2544
1943	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1944		2546
…		…
1983		2585
1984	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1985		2587
1986	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1989		2591
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2594	undef $fh;
1993	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2015		2617
2016	$self->enter_link;	2618	$self->enter_link;
2017		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
2018	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2019	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2628	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2022		2630
2023	1;	2631	1;
…		…
2049		2657
2050	utf8::encode $text;	2658	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2660	}
2053		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	"c/who" => {
		2697	id => "infobox",
		2698	title => "Players",
		2699	reply => undef,
		2700	tooltip => "Shows players who are currently online",
		2701	},
		2702	"c/body" => {
		2703	id => "infobox",
		2704	title => "Body Parts",
		2705	reply => undef,
		2706	tooltip => "Shows which body parts you posess and are available",
		2707	},
		2708	"c/uptime" => {
		2709	id => "infobox",
		2710	title => "Uptime",
		2711	reply => undef,
		2712	tooltip => "How long the server has been running sicne last restart",
		2713	},
		2714	"c/mapinfo" => {
		2715	id => "infobox",
		2716	title => "Map Info",
		2717	reply => undef,
		2718	tooltip => "Information related to the maps",
		2719	},
		2720	);
		2721
		2722	sub cf::client::send_msg {
		2723	my ($self, $channel, $msg, $color, @extra) = @_;
		2724
		2725	$msg = $self->pl->expand_cfpod ($msg);
		2726
		2727	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2728
		2729	# check predefined channels, for the benefit of C
		2730	if ($CHANNEL{$channel}) {
		2731	$channel = $CHANNEL{$channel};
		2732
		2733	$self->ext_msg (channel_info => $channel)
		2734	if $self->can_msg;
		2735
		2736	$channel = $channel->{id};
		2737
		2738	} elsif (ref $channel) {
		2739	# send meta info to client, if not yet sent
		2740	unless (exists $self->{channel}{$channel->{id}}) {
		2741	$self->{channel}{$channel->{id}} = $channel;
		2742	$self->ext_msg (channel_info => $channel)
		2743	if $self->can_msg;
		2744	}
		2745
		2746	$channel = $channel->{id};
		2747	}
		2748
		2749	return unless @extra || length $msg;
		2750
		2751	if ($self->can_msg) {
		2752	# default colour, mask it out
		2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2754	if $color & cf::NDI_DEF;
		2755
		2756	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2758	} else {
		2759	if ($color >= 0) {
		2760	# replace some tags by gcfclient-compatible ones
		2761	for ($msg) {
		2762	1 while
		2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2768	}
		2769
		2770	$color &= cf::NDI_COLOR_MASK;
		2771
		2772	utf8::encode $msg;
		2773
		2774	if (0 && $msg =~ /\[/) {
		2775	# COMMAND/INFO
		2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2777	} else {
		2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2779	$self->send_packet ("drawinfo $color $msg")
		2780	}
		2781	}
		2782	}
		2783	}
		2784
2054	=item $client->ext_event ($type, %msg)	2785	=item $client->ext_msg ($type, @msg)
2055		2786
2056	Sends an exti event to the client.	2787	Sends an ext event to the client.
2057		2788
2058	=cut	2789	=cut
2059		2790
2060	sub cf::client::ext_event($$%) {	2791	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2792	my ($self, $type, @msg) = @_;
2062		2793
		2794	if ($self->extcmd == 2) {
		2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2796	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2797	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2799	}
		2800	}
		2801
		2802	=item $client->ext_reply ($msgid, @msg)
		2803
		2804	Sends an ext reply to the client.
		2805
		2806	=cut
		2807
		2808	sub cf::client::ext_reply($$@) {
		2809	my ($self, $id, @msg) = @_;
		2810
		2811	if ($self->extcmd == 2) {
		2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2813	} elsif ($self->extcmd == 1) {
		2814	#TODO: version 1, remove
		2815	unshift @msg, msgtype => "reply", msgid => $id;
		2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2817	}
2065	}	2818	}
2066		2819
2067	=item $success = $client->query ($flags, "text", \&cb)	2820	=item $success = $client->query ($flags, "text", \&cb)
2068		2821
2069	Queues a query to the client, calling the given callback with	2822	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>,	2823	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>.	2824	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2825
2073	Queries can fail, so check the return code. Or don't, as queries will become	2826	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2827	become reliable at some point in the future.
2075		2828
2076	=cut	2829	=cut
2077		2830
2078	sub cf::client::query {	2831	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2832	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2840	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2841	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2842
2090	$self->send_packet ($self->{query_queue}[0][0])	2843	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2844	if @{ $self->{query_queue} } == 1;
		2845
		2846	1
2092	}	2847	}
2093		2848
2094	cf::client->attach (	2849	cf::client->attach (
		2850	on_connect => sub {
		2851	my ($ns) = @_;
		2852
		2853	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2854	},
2095	on_reply => sub {	2855	on_reply => sub {
2096	my ($ns, $msg) = @_;	2856	my ($ns, $msg) = @_;
2097		2857
2098	# this weird shuffling is so that direct followup queries	2858	# this weird shuffling is so that direct followup queries
2099	# get handled first	2859	# get handled first
…		…
2111	} else {	2871	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2872	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2873	}
2114	}	2874	}
2115	},	2875	},
		2876	on_exticmd => sub {
		2877	my ($ns, $buf) = @_;
		2878
		2879	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2880
		2881	if (ref $msg) {
		2882	my ($type, $reply, @payload) =
		2883	"ARRAY" eq ref $msg
		2884	? @$msg
		2885	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2886
		2887	my @reply;
		2888
		2889	if (my $cb = $EXTICMD{$type}) {
		2890	@reply = $cb->($ns, @payload);
		2891	}
		2892
		2893	$ns->ext_reply ($reply, @reply)
		2894	if $reply;
		2895
		2896	} else {
		2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2898	}
		2899
		2900	cf::override;
		2901	},
2116	);	2902	);
2117		2903
2118	=item $client->async (\&cb)	2904	=item $client->async (\&cb)
2119		2905
2120	Create a new coroutine, running the specified callback. The coroutine will	2906	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2947	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2948	our $safe_hole = new Safe::Hole;
2163		2949
2164	$SIG{FPE} = 'IGNORE';	2950	$SIG{FPE} = 'IGNORE';
2165		2951
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2952	$safe->permit_only (Opcode::opset qw(
		2953	:base_core :base_mem :base_orig :base_math
		2954	grepstart grepwhile mapstart mapwhile
		2955	sort time
		2956	));
2167		2957
2168	# here we export the classes and methods available to script code	2958	# here we export the classes and methods available to script code
2169		2959
2170	=pod	2960	=pod
2171		2961
2172	The following functions and methods are available within a safe environment:	2962	The following functions and methods are available within a safe environment:
2173		2963
2174	cf::object contr pay_amount pay_player map	2964	cf::object
		2965	contr pay_amount pay_player map x y force_find force_add destroy
		2966	insert remove name archname title slaying race decrease_ob_nr
		2967
2175	cf::object::player player	2968	cf::object::player
2176	cf::player peaceful	2969	player
2177	cf::map trigger	2970
		2971	cf::player
		2972	peaceful
		2973
		2974	cf::map
		2975	trigger
2178		2976
2179	=cut	2977	=cut
2180		2978
2181	for (	2979	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2981	insert remove inv name archname title slaying race
		2982	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	2983	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2984	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2985	["cf::map" => qw(trigger)],
2186	) {	2986	) {
2187	no strict 'refs';	2987	no strict 'refs';
…		…
2258	=back	3058	=back
2259		3059
2260	=cut	3060	=cut
2261		3061
2262	#############################################################################	3062	#############################################################################
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	3063	# the server's init and main functions
2336		3064
2337	sub load_facedata {	3065	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3066	my ($path) = @_;
		3067
		3068	# HACK to clear player env face cache, we need some signal framework
		3069	# for this (global event?)
		3070	%ext::player_env::MUSIC_FACE_CACHE = ();
		3071
		3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3073
2340	warn "loading facedata from $path\n";	3074	warn "loading facedata from $path\n";
2341		3075
2342	my $facedata;	3076	my $facedata;
2343	0 < aio_load $path, $facedata	3077	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3080	$facedata = Coro::Storable::thaw $facedata;
2347		3081
2348	$facedata->{version} == 2	3082	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3083	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3084
		3085	# patch in the exptable
		3086	$facedata->{resource}{"res/exp_table"} = {
		3087	type => FT_RSRC,
		3088	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3089	};
		3090	cf::cede_to_tick;
		3091
2351	{	3092	{
2352	my $faces = $facedata->{faceinfo};	3093	my $faces = $facedata->{faceinfo};
2353		3094
2354	while (my ($face, $info) = each %$faces) {	3095	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3097	cf::face::set_visibility $idx, $info->{visibility};
		3098	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3101
		3102	cf::cede_to_tick;
2360	}	3103	}
2361		3104
2362	while (my ($face, $info) = each %$faces) {	3105	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3106	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	3107	my $idx = cf::face::find $face
2365	or next;	3108	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3109	if (my $smooth = cf::face::find $info->{smooth}) {
		3110	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3112	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3113	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3114	}
2371	Coro::cede;	3115
		3116	cf::cede_to_tick;
2372	}	3117	}
2373	}	3118	}
2374		3119
2375	{	3120	{
2376	my $anims = $facedata->{animinfo};	3121	my $anims = $facedata->{animinfo};
2377		3122
2378	while (my ($anim, $info) = each %$anims) {	3123	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3124	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3125	cf::cede_to_tick;
2381	}	3126	}
2382		3127
2383	cf::anim::invalidate_all; # d'oh	3128	cf::anim::invalidate_all; # d'oh
2384	}	3129	}
2385		3130
		3131	{
		3132	# TODO: for gcfclient pleasure, we should give resources
		3133	# that gcfclient doesn't grok a >10000 face index.
		3134	my $res = $facedata->{resource};
		3135
		3136	my $soundconf = delete $res->{"res/sound.conf"};
		3137
		3138	while (my ($name, $info) = each %$res) {
		3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3140	my $data;
		3141
		3142	if ($info->{type} & 1) {
		3143	# prepend meta info
		3144
		3145	my $meta = $enc->encode ({
		3146	name => $name,
		3147	%{ $info->{meta} || {} },
		3148	});
		3149
		3150	$data = pack "(w/a*)*", $meta, $info->{data};
		3151	} else {
		3152	$data = $info->{data};
		3153	}
		3154
		3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3156	cf::face::set_type $idx, $info->{type};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	if ($soundconf) {
		3162	$soundconf = $enc->decode (delete $soundconf->{data});
		3163
		3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3165	my $sound = $soundconf->{compat}[$_]
		3166	or next;
		3167
		3168	my $face = cf::face::find "sound/$sound->[1]";
		3169	cf::sound::set $sound->[0] => $face;
		3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3171	}
		3172
		3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3174	my $face = cf::face::find "sound/$v";
		3175	cf::sound::set $k => $face;
		3176	}
		3177	}
		3178	}
		3179
2386	1	3180	1
2387	}	3181	}
2388		3182
		3183	register_exticmd fx_want => sub {
		3184	my ($ns, $want) = @_;
		3185
		3186	while (my ($k, $v) = each %$want) {
		3187	$ns->fx_want ($k, $v);
		3188	}
		3189	};
		3190
		3191	sub reload_regions {
		3192	# HACK to clear player env face cache, we need some signal framework
		3193	# for this (global event?)
		3194	%ext::player_env::MUSIC_FACE_CACHE = ();
		3195
		3196	load_resource_file "$MAPDIR/regions"
		3197	or die "unable to load regions file\n";
		3198
		3199	for (cf::region::list) {
		3200	$_->{match} = qr/$_->{match}/
		3201	if exists $_->{match};
		3202	}
		3203	}
		3204
		3205	sub reload_facedata {
		3206	load_facedata "$DATADIR/facedata"
		3207	or die "unable to load facedata\n";
		3208	}
		3209
		3210	sub reload_archetypes {
		3211	load_resource_file "$DATADIR/archetypes"
		3212	or die "unable to load archetypes\n";
		3213	#d# NEED to laod twice to resolve forward references
		3214	# this really needs to be done in an extra post-pass
		3215	# (which needs to be synchronous, so solve it differently)
		3216	load_resource_file "$DATADIR/archetypes"
		3217	or die "unable to load archetypes\n";
		3218	}
		3219
		3220	sub reload_treasures {
		3221	load_resource_file "$DATADIR/treasures"
		3222	or die "unable to load treasurelists\n";
		3223	}
		3224
2389	sub reload_resources {	3225	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3226	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3227
		3228	reload_regions;
2392	load_facedata	3229	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3230	#reload_archetypes;#d#
		3231	reload_archetypes;
		3232	reload_treasures;
		3233
		3234	warn "finished reloading resource files\n";
2394	}	3235	}
2395		3236
2396	sub init {	3237	sub init {
2397	reload_resources;	3238	reload_resources;
2398	}	3239	}
2399		3240
2400	sub cfg_load {	3241	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3242	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3243	or return;
2403		3244
2404	local $/;	3245	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3246	*CFG = YAML::Syck::Load <$fh>;
2406		3247
…		…
2421	sub main {	3262	sub main {
2422	# we must not ever block the main coroutine	3263	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3264	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3266	(async {
		3267	$Coro::current->{desc} = "IDLE BUG HANDLER";
2426	Event::one_event;	3268	Event::one_event;
2427	})->prio (Coro::PRIO_MAX);	3269	})->prio (Coro::PRIO_MAX);
2428	};	3270	};
2429		3271
2430	cfg_load;	3272	reload_config;
2431	db_init;	3273	db_init;
2432	load_extensions;	3274	load_extensions;
2433		3275
2434	$TICK_WATCHER->start;	3276	$TICK_WATCHER->start;
2435	Event::loop;	3277	Event::loop;
…		…
2451	},	3293	},
2452	);	3294	);
2453	}	3295	}
2454	}	3296	}
2455		3297
		3298	sub write_runtime {
		3299	my $runtime = "$LOCALDIR/runtime";
		3300
		3301	# first touch the runtime file to show we are still running:
		3302	# the fsync below can take a very very long time.
		3303
		3304	IO::AIO::aio_utime $runtime, undef, undef;
		3305
		3306	my $guard = cf::lock_acquire "write_runtime";
		3307
		3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3309	or return;
		3310
		3311	my $value = $cf::RUNTIME + 90 + 10;
		3312	# 10 is the runtime save interval, for a monotonic clock
		3313	# 60 allows for the watchdog to kill the server.
		3314
		3315	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3316	and return;
		3317
		3318	# always fsync - this file is important
		3319	aio_fsync $fh
		3320	and return;
		3321
		3322	# touch it again to show we are up-to-date
		3323	aio_utime $fh, undef, undef;
		3324
		3325	close $fh
		3326	or return;
		3327
		3328	aio_rename "$runtime~", $runtime
		3329	and return;
		3330
		3331	warn "runtime file written.\n";
		3332
		3333	1
		3334	}
		3335
2456	sub emergency_save() {	3336	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3337	my $freeze_guard = cf::freeze_mainloop;
2458		3338
2459	warn "enter emergency perl save\n";	3339	warn "enter emergency perl save\n";
2460		3340
…		…
2464	# and maps saved/destroyed asynchronously.	3344	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3345	warn "begin emergency player save\n";
2466	for my $login (keys %cf::PLAYER) {	3346	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3347	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3348	$pl->valid or next;
		3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3350	$pl->save;
2470	}	3351	}
2471	warn "end emergency player save\n";	3352	warn "end emergency player save\n";
2472		3353
2473	warn "begin emergency map save\n";	3354	warn "begin emergency map save\n";
…		…
2491		3372
2492	warn Carp::longmess "post_cleanup backtrace"	3373	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3374	if $make_core;
2494	}	3375	}
2495		3376
2496	sub reload() {	3377	sub do_reload_perl() {
2497	# can/must only be called in main	3378	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3379	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3380	warn "can only reload from main coroutine";
2500	return;	3381	return;
2501	}	3382	}
…		…
2521		3402
2522	warn "flushing outstanding aio requests";	3403	warn "flushing outstanding aio requests";
2523	for (;;) {	3404	for (;;) {
2524	BDB::flush;	3405	BDB::flush;
2525	IO::AIO::flush;	3406	IO::AIO::flush;
2526	Coro::cede;	3407	Coro::cede_notself;
2527	last unless IO::AIO::nreqs || BDB::nreqs;	3408	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";	3409	warn "iterate...";
2529	}	3410	}
2530		3411
2531	++$RELOAD;	3412	++$RELOAD;
…		…
2535	%EXT_CORO = ();	3416	%EXT_CORO = ();
2536		3417
2537	warn "removing commands";	3418	warn "removing commands";
2538	%COMMAND = ();	3419	%COMMAND = ();
2539		3420
2540	warn "removing ext commands";	3421	warn "removing ext/exti commands";
2541	%EXTCMD = ();	3422	%EXTCMD = ();
		3423	%EXTICMD = ();
2542		3424
2543	warn "unloading/nuking all extensions";	3425	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3426	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3427	warn "... unloading $pkg";
2546		3428
…		…
2576	Symbol::delete_package "safe::$_"	3458	Symbol::delete_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3460
2579	warn "unloading cf.pm \"a bit\"";	3461	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3462	delete $INC{"cf.pm"};
		3463	delete $INC{"cf/pod.pm"};
2581		3464
2582	# don't, removes xs symbols, too,	3465	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3466	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3467	#Symbol::delete_package __PACKAGE__;
2585		3468
…		…
2588	warn "reloading cf.pm";	3471	warn "reloading cf.pm";
2589	require cf;	3472	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3474
2592	warn "loading config and database again";	3475	warn "loading config and database again";
2593	cf::cfg_load;	3476	cf::reload_config;
2594		3477
2595	warn "loading extensions";	3478	warn "loading extensions";
2596	cf::load_extensions;	3479	cf::load_extensions;
2597		3480
2598	warn "reattaching attachments to objects/players";	3481	warn "reattaching attachments to objects/players";
…		…
2600	warn "reattaching attachments to maps";	3483	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3484	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3485	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3486	reattach $_ for values %PLAYER;
2604		3487
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3488	warn "leaving sync_job";
2609		3489
2610	1	3490	1
2611	} or do {	3491	} or do {
2612	warn $@;	3492	warn $@;
…		…
2617	warn "reloaded";	3497	warn "reloaded";
2618	};	3498	};
2619		3499
2620	our $RELOAD_WATCHER; # used only during reload	3500	our $RELOAD_WATCHER; # used only during reload
2621		3501
		3502	sub reload_perl() {
		3503	# doing reload synchronously and two reloads happen back-to-back,
		3504	# coro crashes during coro_state_free->destroy here.
		3505
		3506	$RELOAD_WATCHER ||= Event->timer (
		3507	reentrant => 0,
		3508	after => 0,
		3509	data => WF_AUTOCANCEL,
		3510	cb => sub {
		3511	do_reload_perl;
		3512	undef $RELOAD_WATCHER;
		3513	},
		3514	);
		3515	}
		3516
2622	register_command "reload" => sub {	3517	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3518	my ($who, $arg) = @_;
2624		3519
2625	if ($who->flag (FLAG_WIZ)) {	3520	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3521	$who->message ("reloading server.");
2627		3522	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3523	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	3524	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3525	};
2640	}	3526	}
2641	};	3527	};
2642		3528
2643	unshift @INC, $LIBDIR;	3529	unshift @INC, $LIBDIR;
2644		3530
…		…
2646		3532
2647	our @WAIT_FOR_TICK;	3533	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3534	our @WAIT_FOR_TICK_BEGIN;
2649		3535
2650	sub wait_for_tick {	3536	sub wait_for_tick {
		3537	return unless $TICK_WATCHER->is_active;
		3538	return if $Coro::current == $Coro::main;
		3539
2651	my $signal = new Coro::Signal;	3540	my $signal = new Coro::Signal;
2652	push @WAIT_FOR_TICK, $signal;	3541	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;	3542	$signal->wait;
2654	}	3543	}
2655		3544
2656	sub wait_for_tick_begin {	3545	sub wait_for_tick_begin {
		3546	return unless $TICK_WATCHER->is_active;
		3547	return if $Coro::current == $Coro::main;
		3548
2657	my $signal = new Coro::Signal;	3549	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	3550	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	3551	$signal->wait;
2660	}	3552	}
2661		3553
…		…
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	3563	unless ++$bug_warning > 10;
2672	return;	3564	return;
2673	}	3565	}
2674		3566
2675	$NOW = Event::time;	3567	$NOW = $tick_start = Event::time;
2676		3568
2677	cf::server_tick; # one server iteration	3569	cf::server_tick; # one server iteration
		3570
2678	$RUNTIME += $TICK;	3571	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;	3572	$NEXT_TICK += $TICK;
2680		3573
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	3575	$NEXT_RUNTIME_WRITE = $NOW + 10;
2683	Coro::async_pool {	3576	Coro::async_pool {
		3577	$Coro::current->{desc} = "runtime saver";
2684	write_runtime	3578	write_runtime
2685	or warn "ERROR: unable to write runtime file: $!";	3579	or warn "ERROR: unable to write runtime file: $!";
2686	};	3580	};
2687	}	3581	}
2688		3582
…		…
2691	}	3585	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {	3586	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;	3587	$sig->send;
2694	}	3588	}
2695		3589
2696	# my $AFTER = Event::time;	3590	$NOW = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698		3591
2699	# if we are delayed by four ticks or more, skip them all	3592	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2701		3594
2702	$TICK_WATCHER->at ($NEXT_TICK);	3595	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;	3596	$TICK_WATCHER->start;
		3597
		3598	$LOAD = ($NOW - $tick_start) / $TICK;
		3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3600
		3601	_post_tick;
2704	},	3602	},
2705	);	3603	);
2706		3604
2707	{	3605	{
		3606	BDB::min_parallel 8;
2708	BDB::max_poll_time $TICK * 0.1;	3607	BDB::max_poll_time $TICK * 0.1;
2709	$BDB_POLL_WATCHER = Event->io (	3608	$BDB_POLL_WATCHER = Event->io (
2710	reentrant => 0,	3609	reentrant => 0,
2711	fd => BDB::poll_fileno,	3610	fd => BDB::poll_fileno,
2712	poll => 'r',	3611	poll => 'r',
2713	prio => 0,	3612	prio => 0,
2714	data => WF_AUTOCANCEL,	3613	data => WF_AUTOCANCEL,
2715	cb => \&BDB::poll_cb,	3614	cb => \&BDB::poll_cb,
2716	);	3615	);
2717	BDB::min_parallel 8;
2718		3616
2719	BDB::set_sync_prepare {	3617	BDB::set_sync_prepare {
2720	my $status;	3618	my $status;
2721	my $current = $Coro::current;	3619	my $current = $Coro::current;
2722	(	3620	(
…		…
2731	)	3629	)
2732	};	3630	};
2733		3631
2734	unless ($DB_ENV) {	3632	unless ($DB_ENV) {
2735	$DB_ENV = BDB::db_env_create;	3633	$DB_ENV = BDB::db_env_create;
		3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3635	| BDB::LOG_AUTOREMOVE, 1);
		3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2736		3638
2737	cf::sync_job {	3639	cf::sync_job {
2738	eval {	3640	eval {
2739	BDB::db_env_open	3641	BDB::db_env_open
2740	$DB_ENV,	3642	$DB_ENV,
2741	$BDB_ENV_DIR,	3643	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	3646	0666;
2745		3647
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3648	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;
2750	};	3649	};
2751		3650
2752	cf::cleanup "db_env_open(db): $@" if $@;	3651	cf::cleanup "db_env_open(db): $@" if $@;
2753	};	3652	};
2754	}	3653	}
		3654
		3655	$BDB_DEADLOCK_WATCHER = Event->timer (
		3656	after => 3,
		3657	interval => 1,
		3658	hard => 1,
		3659	prio => 0,
		3660	data => WF_AUTOCANCEL,
		3661	cb => sub {
		3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3663	},
		3664	);
		3665	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3666	after => 11,
		3667	interval => 60,
		3668	hard => 1,
		3669	prio => 0,
		3670	data => WF_AUTOCANCEL,
		3671	cb => sub {
		3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3673	},
		3674	);
		3675	$BDB_TRICKLE_WATCHER = Event->timer (
		3676	after => 5,
		3677	interval => 10,
		3678	hard => 1,
		3679	prio => 0,
		3680	data => WF_AUTOCANCEL,
		3681	cb => sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	},
		3684	);
2755	}	3685	}
2756		3686
2757	{	3687	{
2758	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2759		3689
…		…
2762	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = Event->io (
2763	reentrant => 0,	3693	reentrant => 0,
2764	data => WF_AUTOCANCEL,	3694	data => WF_AUTOCANCEL,
2765	fd => IO::AIO::poll_fileno,	3695	fd => IO::AIO::poll_fileno,
2766	poll => 'r',	3696	poll => 'r',
2767	prio => 6,	3697	prio => 0,
2768	cb => \&IO::AIO::poll_cb,	3698	cb => \&IO::AIO::poll_cb,
2769	);	3699	);
2770	}	3700	}
2771		3701
		3702	my $_log_backtrace;
		3703
		3704	sub _log_backtrace {
		3705	my ($msg, @addr) = @_;
		3706
		3707	$msg =~ s/\n//;
		3708
		3709	# limit the # of concurrent backtraces
		3710	if ($_log_backtrace < 2) {
		3711	++$_log_backtrace;
		3712	async {
		3713	$Coro::current->{desc} = "abt $msg";
		3714
		3715	my @bt = fork_call {
		3716	@addr = map { sprintf "%x", $_ } @addr;
		3717	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3718	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3719	or die "addr2line: $!";
		3720
		3721	my @funcs;
		3722	my @res = <$fh>;
		3723	chomp for @res;
		3724	while (@res) {
		3725	my ($func, $line) = splice @res, 0, 2, ();
		3726	push @funcs, "[$func] $line";
		3727	}
		3728
		3729	@funcs
		3730	};
		3731
		3732	LOG llevInfo, "[ABT] $msg\n";
		3733	LOG llevInfo, "[ABT] $_\n" for @bt;
		3734	--$_log_backtrace;
		3735	};
		3736	} else {
		3737	LOG llevInfo, "[ABT] $msg\n";
		3738	LOG llevInfo, "[ABT] [suppressed]\n";
		3739	}
		3740	}
		3741
		3742	# load additional modules
		3743	use cf::pod;
		3744
2772	END { cf::emergency_save }	3745	END { cf::emergency_save }
2773		3746
2774	1	3747	1
2775		3748

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