[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.346 by root, Tue Aug 28 19:38:40 2007 UTC vs.
Revision 1.404 by root, Mon Dec 17 07:27:58 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.64 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
24	use Coro::Util ();	25	use Coro::Util ();
25		26
26	use JSON::XS ();	27	use JSON::XS 2.01 ();
27	use BDB ();	28	use BDB ();
28	use Data::Dumper;	29	use Data::Dumper;
29	use Digest::MD5;	30	use Digest::MD5;
30	use Fcntl;	31	use Fcntl;
31	use YAML::Syck ();	32	use YAML::Syck ();
32	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
33	use Time::HiRes;	34	use Time::HiRes;
34	use Compress::LZF;	35	use Compress::LZF;
35	use Digest::MD5 ();	36	use Digest::MD5 ();
36		37
37	# configure various modules to our taste	38	# configure various modules to our taste
38	#	39	#
39	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44		43
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
47		46
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
…		…
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;	76	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	79	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		81
84	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	86	our $DB_ENV;
86		87
87	our %CFG;	88	our %CFG;
88		89
89	our $UPTIME; $UPTIME \|\|= time;	90	our $UPTIME; $UPTIME \|\|= time;
90	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
91		93
92	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
95		97
96	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		100
…		…
159		161
160	The raw value load value from the last tick.	162	The raw value load value from the last tick.
161		163
162	=item %cf::CFG	164	=item %cf::CFG
163		165
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	167	from wherever your confdir points to.
166		168
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		170
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	189	$msg .= "\n"
188	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
189		191
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		193
192	utf8::encode $msg;
193	LOG llevError, $msg;	194	LOG llevError, $msg;
194	};	195	};
195	}	196	}
196		197
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
213	)) {	214	)) {
214	no strict 'refs';	215	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	217	}
217		218
218	$Event::DIED = sub {	219	$EV::DIED = sub {
219	warn "error in event callback: @_";	220	warn "error in event callback: @_";
220	};	221	};
221		222
222	#############################################################################	223	#############################################################################
223		224
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	248	$d
248	} \|\| "[unable to dump $_[0]: '$@']";	249	} \|\| "[unable to dump $_[0]: '$@']";
249	}	250	}
250		251
251	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
252		253
253	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
254		255
255	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
256		257
257	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
258		259
259	=cut	260	=cut
260		261
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		263
263	sub to_json ($) { $json_coder->encode ($_[0]) }	264	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	265	sub decode_json($) { $json_coder->decode ($_[0]) }
265		266
266	=item cf::lock_wait $string	267	=item cf::lock_wait $string
267		268
268	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
269		270
…		…
272	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
275	returned.	276	returned.
276		277
		278	Locks are not recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
277	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
279		283
280	=item $locked = cf::lock_active $string	284	=item $locked = cf::lock_active $string
281		285
282	Return true if the lock is currently active, i.e. somebody has locked it.	286	Return true if the lock is currently active, i.e. somebody has locked it.
283		287
284	=cut	288	=cut
285		289
286	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
287		292
288	sub lock_wait($) {	293	sub lock_wait($) {
289	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
290		300
291	# wait for lock, if any	301	# wait for lock, if any
292	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;	304	Coro::schedule;
…		…
300		310
301	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
302	lock_wait $key;	312	lock_wait $key;
303		313
304	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
305		316
306	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
307	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
309	}	321	}
310	}	322	}
311		323
…		…
323	};	335	};
324	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
325	$guard	337	$guard
326	}	338	}
327		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
		353	}
		354
328	=item cf::get_slot $time[, $priority[, $name]]	355	=item cf::get_slot $time[, $priority[, $name]]
329		356
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
331	This call blocks and returns only when you have at least C<$time> seconds	358	This call blocks and returns only when you have at least C<$time> seconds
332	of cpu time till the next tick. The slot is only valid till the next cede.	359	of cpu time till the next tick. The slot is only valid till the next cede.
…		…
341	our @SLOT_QUEUE;	368	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	369	our $SLOT_QUEUE;
343		370
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	372	$SLOT_QUEUE = Coro::async {
		373	$Coro::current->desc ("timeslot manager");
		374
346	my $signal = new Coro::Signal;	375	my $signal = new Coro::Signal;
347		376
348	while () {	377	while () {
349	next_job:	378	next_job:
350	my $avail = cf::till_tick;	379	my $avail = cf::till_tick;
…		…
358	}	387	}
359	}	388	}
360	}	389	}
361		390
362	if (@SLOT_QUEUE) {	391	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	393	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	394	$signal->wait;
366	} else {	395	} else {
367	Coro::schedule;	396	Coro::schedule;
368	}	397	}
…		…
391		420
392	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
393		422
394	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
395		424
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	425	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	426	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	428	acceptable.
400		429
401	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		436
408	sub sync_job(&) {	437	sub sync_job(&) {
409	my ($job) = @_;	438	my ($job) = @_;
410		439
411	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	441	my $time = EV::time;
413		442
414	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
416		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
417	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
418	# (but this is cancel-safe)	449	# (but this is cancel-safe)
419	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
420		451
421	my $busy = 1;	452	my $busy = 1;
422	my @res;	453	my @res;
423		454
424	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	457	@res = eval { $job->() };
426	warn $@ if $@;	458	warn $@ if $@;
427	undef $busy;	459	undef $busy;
428	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
429		461
430	while ($busy) {	462	while ($busy) {
431	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
432	}	467	}
		468	}
433		469
434	$time = Event::time - $time;	470	$time = EV::time - $time;
435		471
436	LOG llevError \| logBacktrace, Carp::longmess "long sync job"	472	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438		474
439	$tick_start += $time; # do not account sync jobs to server load	475	$tick_start += $time; # do not account sync jobs to server load
…		…
469	=item fork_call { }, $args	505	=item fork_call { }, $args
470		506
471	Executes the given code block with the given arguments in a seperate	507	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	508	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	509	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	510	never block itself or use any form of event handling.
475		511
476	=cut	512	=cut
477		513
478	sub fork_call(&@) {	514	sub fork_call(&@) {
479	my ($cb, @args) = @_;	515	my ($cb, @args) = @_;
480		516
481	# we seemingly have to make a local copy of the whole thing,	517	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	518	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	519	# TODO: investigate and fix (likely this will be rather laborious)
484		520
485	my @res = Coro::Util::fork_eval {	521	my @res = Coro::Util::fork_eval {
486	reset_signals;	522	reset_signals;
487	&$cb	523	&$cb
488	}, @args;	524	}, @args;
…		…
497	=item cf::db_put $family => $key => $value	533	=item cf::db_put $family => $key => $value
498		534
499	Stores the given C<$value> in the family. It can currently store binary	535	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		537
		538	=item $db = cf::db_table "name"
		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
502	=cut	543	=cut
		544
		545	sub db_table($) {
		546	my ($name) = @_;
		547	my $db = BDB::db_create $DB_ENV;
		548
		549	eval {
		550	$db->set_flags (BDB::CHKSUM);
		551
		552	utf8::encode $name;
		553	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		554	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		555	cf::cleanup "db_open(db): $!" if $!;
		556	};
		557	cf::cleanup "db_open(db): $@" if $@;
		558
		559	$db
		560	}
503		561
504	our $DB;	562	our $DB;
505		563
506	sub db_init {	564	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	565	cf::sync_job {
511	eval {	566	$DB \|\|= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	567	};
521	}	568	}
522		569
523	sub db_get($$) {	570	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	571	my $key = "$_[0]/$_[1]";
525		572
…		…
629	attach callbacks/event handlers (a collection of which is called an "attachment")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
631		678
632	In the following description, CLASS can be any of C<global>, C<object>	679	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	681	Deliantra).
635		682
636	=over 4	683	=over 4
637		684
638	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
639		686
…		…
937		984
938	=cut	985	=cut
939		986
940	#############################################################################	987	#############################################################################
941	# object support	988	# object support
942	#
943		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
944	sub _can_merge {	1023	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1024	my ($ob1, $ob2) = @_;
946		1025
947	local $Storable::canonical = 1;	1026	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1027
951	$fob1 eq $fob2	1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
952	}	1030	}
953		1031
954	sub reattach {	1032	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1034	my ($obj) = @_;
…		…
978	cf::attachable->attach (	1056	cf::attachable->attach (
979	prio => -1000000,	1057	prio => -1000000,
980	on_instantiate => sub {	1058	on_instantiate => sub {
981	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
982		1060
983	$data = from_json $data;	1061	$data = decode_json $data;
984		1062
985	for (@$data) {	1063	for (@$data) {
986	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
987		1065
988	$obj->attach ($name, %{$args \|\| {} });	1066	$obj->attach ($name, %{$args \|\| {} });
…		…
1004	sub object_freezer_save {	1082	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
1006		1084
1007	sync_job {	1085	sync_job {
1008	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
1011		1090
1012	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1095	close $fh;
1017		1096
1018	if (@$objs) {	1097	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1103	close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1105	}
…		…
1034	}	1113	}
1035	} else {	1114	} else {
1036	aio_unlink $filename;	1115	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
1038	}	1117	}
1039	}	1118	};
1040	}	1119	}
1041		1120
1042	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
1044		1123
…		…
1056	or return;	1135	or return;
1057		1136
1058	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1139	or return;
		1140
1061	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
1062	}	1143	}
1063		1144
		1145	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av \|\| []};	1147	$decname, length $data, scalar @{$av \|\| []};
		1148
1066	return ($data, $av);	1149	($data, $av)
1067	}	1150	}
1068		1151
1069	=head2 COMMAND CALLBACKS	1152	=head2 COMMAND CALLBACKS
1070		1153
1071	=over 4	1154	=over 4
…		…
1257		1340
1258	=head3 cf::player	1341	=head3 cf::player
1259		1342
1260	=over 4	1343	=over 4
1261		1344
		1345	=item cf::player::num_playing
		1346
		1347	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1348
		1349	=cut
		1350
		1351	sub num_playing {
		1352	scalar grep
		1353	$_->ob->map
		1354	&& !$_->hidden
		1355	&& !$_->ob->flag (cf::FLAG_WIZ),
		1356	cf::player::list
		1357	}
		1358
1262	=item cf::player::find $login	1359	=item cf::player::find $login
1263		1360
1264	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
1265		1362
1266	=cut	1363	=cut
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1401	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1402
1306	my $pl = load_pl path $login	1403	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1404	or return;
		1405
		1406	my $pl = cf::player::load_pl $f
		1407	or return;
		1408	local $cf::PLAYER_LOADING{$login} = $pl;
		1409	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
1309	}	1411	}
1310	}	1412	}
1311	}	1413	}
1312		1414
…		…
1410	or return [];	1512	or return [];
1411		1513
1412	my @logins;	1514	my @logins;
1413		1515
1414	for my $login (@$dirs) {	1516	for my $login (@$dirs) {
		1517	my $path = path $login;
		1518
		1519	# a .pst is a dead give-away for a valid player
		1520	unless (-e "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1418		1525
1419	utf8::decode $login;	1526	utf8::decode $login;
1420	push @logins, $login;	1527	push @logins, $login;
1421	}	1528	}
1422		1529
…		…
1455		1562
1456	Expand crossfire pod fragments into protocol xml.	1563	Expand crossfire pod fragments into protocol xml.
1457		1564
1458	=cut	1565	=cut
1459		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	\| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
1460	sub expand_cfpod {	1578	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;	1579	my ($self, $pod) = @_;
1462		1580
1463	# escape & and <	1581	my $xml;
1464	s/&/&/g;
1465	s/(?<![BIUGH])</</g;
1466		1582
1467	# this is buggy, it needs to properly take care of nested <'s	1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
		1585	$group = $1;
1468		1586
1469	1 while	1587	$group =~ s/&/&/g;
1470	# replace B<>, I<>, U<> etc.	1588	$group =~ s/</</g;
1471	s/B<([^\>]*)>/<b>$1<\/b>/	1589
1472	\|\| s/I<([^\>]*)>/<i>$1<\/i>/	1590	$xml .= $group;
1473	\|\| s/U<([^\>]*)>/<u>$1<\/u>/	1591	} elsif ($pod =~ m%\G
1474	# replace G<male\|female> tags	1592	([BCGHITU])
1475	\|\| s{G<([^>\|])\\|([^>])>}{	1593	<
1476	$self->gender ? $2 : $1	1594	(?:
1477	}ge	1595	([^<>]*) (?{ $group = $^N })
1478	# replace H<hint text>	1596	\| < $interior >
1479	\|\| s{H<([^\>]*)>}	1597	)
		1598	>
		1599	%gcsx
1480	{	1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")	1620	"")
1484	[$self->{hintmode}]	1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
1485	}ge;	1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
1486		1632
		1633	for ($xml) {
1487	# create single paragraphs (very hackish)	1634	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;	1635	s/(?<=\S)\n(?=\w)/ /g;
1489		1636
1490	# compress some whitespace	1637	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends	1638	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines	1639	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines	1640	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines	1641	s/\n+$//; # ending lines
		1642	}
1495		1643
1496	$_	1644	$xml
1497	}	1645	}
		1646
		1647	no re 'eval';
1498		1648
1499	sub hintmode {	1649	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;	1650	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}	1651	$_[0]{hintmode}
1502	}	1652	}
…		…
1746		1896
1747	sub load_header_from($) {	1897	sub load_header_from($) {
1748	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1749		1899
1750	utf8::encode $path;	1900	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1756		1909
1757	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1758		1911
1759	1	1912	1
1760	}	1913	}
…		…
1814	sub find {	1967	sub find {
1815	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1816		1969
1817	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1818		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1820		1974
1821	$cf::MAP{$path} \|\| do {	1975	$cf::MAP{$path} \|\| do {
1822	my $guard = cf::lock_acquire "map_find:$path";	1976	my $guard1 = cf::lock_acquire "map_find:$path";
		1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1978
1823	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1824	or return;	1980	or return;
1825		1981
1826	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1827		1983
…		…
1829	or return;	1985	or return;
1830		1986
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1834	$map->reset;	1992	$map->reset;
1835	undef $guard;
1836	return find $path;	1993	return find $path;
1837	}	1994	}
1838		1995
1839	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1840	}	1997	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1850		2007
1851	my $path = $self->{path};	2008	my $path = $self->{path};
1852		2009
1853	{	2010	{
1854	my $guard1 = cf::lock_acquire "map_data:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1855	my $guard2 = cf::lock_acquire "map_load:$path";
1856		2012
		2013	return unless $self->valid;
1857	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1858		2015
1859	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1860		2017
1861	$self->alloc;	2018	$self->alloc;
1862		2019
1863	$self->pre_load;	2020	$self->pre_load;
1864	cf::cede_to_tick;	2021	cf::cede_to_tick;
1865		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1866	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1867	or return;	2026	or return;
1868		2027
1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1870	if delete $self->{load_original};	2029	if delete $self->{load_original};
1871		2030
1872	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1873	utf8::encode $uniq;	2032	utf8::encode $uniq;
1874	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1875	$self->clear_unique_items;	2035	$self->clear_unique_items;
1876	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1877	}	2039	}
1878	}	2040	}
		2041
		2042	$f->resolve_delayed_derefs;
1879		2043
1880	cf::cede_to_tick;	2044	cf::cede_to_tick;
1881	# now do the right thing for maps	2045	# now do the right thing for maps
1882	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1883	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
…		…
1969	}	2133	}
1970		2134
1971	$MAP_PREFETCH{$path} \|= $load;	2135	$MAP_PREFETCH{$path} \|= $load;
1972		2136
1973	$MAP_PREFETCHER \|\|= cf::async {	2137	$MAP_PREFETCHER \|\|= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1974	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1975	while (my ($k, $v) = each %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1976	if (my $map = find $k) {	2142	if (my $map = find $k) {
1977	$map->load if $v;	2143	$map->load if $v;
1978	}	2144	}
…		…
2004	return if $self->{deny_save};	2170	return if $self->{deny_save};
2005		2171
2006	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
2007		2173
2008	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
2009	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
2010	};	2177	};
2011		2178
2012	if ($uniq) {	2179	if ($uniq) {
2013	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
…		…
2027		2194
2028	return if $self->players;	2195	return if $self->players;
2029	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
2030	return if $self->{deny_save};	2197	return if $self->{deny_save};
2031		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
2032	$self->clear;	2203	$self->clear;
2033	$self->in_memory (cf::MAP_SWAPPED);
2034	}	2204	}
2035		2205
2036	sub reset_at {	2206	sub reset_at {
2037	my ($self) = @_;	2207	my ($self) = @_;
2038		2208
…		…
2070	if $uniq;	2240	if $uniq;
2071	}	2241	}
2072		2242
2073	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
2074		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
2075	$self->clear;	2247	$self->clear;
2076
2077	$_->clear_links_to ($self) for values %cf::MAP;
2078		2248
2079	$self->unlink_save;	2249	$self->unlink_save;
2080	$self->destroy;	2250	$self->destroy;
2081	}	2251	}
2082		2252
2083	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
2084		2254
2085	sub nuke {	2255	sub nuke {
2086	my ($self) = @_;	2256	my ($self) = @_;
2087		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
2088	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
2089		2262
2090	$self->unlink_save;	2263	$self->unlink_save;
2091		2264
2092	bless $self, "cf::map";	2265	bless $self, "cf::map";
2093	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
2094	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
2095	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2097		2270
2098	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
2099		2273
2100	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
2101	}	2275	}
2102		2276
2103	=item $maps = cf::map::tmp_maps	2277	=item $maps = cf::map::tmp_maps
…		…
2179		2353
2180	sub inv_recursive {	2354	sub inv_recursive {
2181	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
2182	}	2356	}
2183		2357
		2358	=item $ref = $ob->ref
		2359
		2360	creates and returns a persistent reference to an objetc that can be stored as a string.
		2361
		2362	=item $ob = cf::object::deref ($refstring)
		2363
		2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2365	even if the object actually exists. May block.
		2366
		2367	=cut
		2368
		2369	sub deref {
		2370	my ($ref) = @_;
		2371
		2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2373	my ($uuid, $name) = ($1, $2);
		2374	my $pl = $cf::PLAYER_LOADING{$name} \|\| cf::player::find $name
		2375	or return;
		2376	$pl->ob->uuid eq $uuid
		2377	or return;
		2378
		2379	$pl->ob
		2380	} else {
		2381	warn "$ref: cannot resolve object reference\n";
		2382	undef
		2383	}
		2384	}
		2385
2184	package cf;	2386	package cf;
2185		2387
2186	=back	2388	=back
2187		2389
2188	=head3 cf::object::player	2390	=head3 cf::object::player
…		…
2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2347		2549
2348	$self->enter_link;	2550	$self->enter_link;
2349		2551
2350	(async {	2552	(async {
		2553	$Coro::current->{desc} = "player::goto $path $x $y";
		2554
		2555	# *tag paths override both path and x\|y
		2556	if ($path =~ /^\(.)$/) {
		2557	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2558	my $ob = $obs[rand @obs];
		2559
		2560	# see if we actually can go there
		2561	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2562	$ob = $obs[rand @obs];
		2563	} else {
		2564	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE \| cf::NDI_RED);
		2565	}
		2566	# else put us there anyways for now #d#
		2567
		2568	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2569	} else {
		2570	($path, $x, $y) = (undef, undef, undef);
		2571	}
		2572	}
		2573
2351	my $map = eval {	2574	my $map = eval {
2352	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
2353		2576
2354	if ($map) {	2577	if ($map) {
2355	$map = $map->customise_for ($self);	2578	$map = $map->customise_for ($self);
2356	$map = $check->($map) if $check && $map;	2579	$map = $check->($map) if $check && $map;
2357	} else {	2580	} else {
2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE \| cf::NDI_RED);
2359	}	2582	}
2360		2583
2361	$map	2584	$map
2362	};	2585	};
2363		2586
…		…
2416	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
2417	}	2640	}
2418		2641
2419	$rmp->{random_seed} \|\|= $exit->random_seed;	2642	$rmp->{random_seed} \|\|= $exit->random_seed;
2420		2643
2421	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
2422	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
2423	my $meta = "$RANDOMDIR/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
2424		2647
2425	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
2426	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
…		…
2453	# if exit is damned, update players death & WoR home-position	2676	# if exit is damned, update players death & WoR home-position
2454	$self->contr->savebed ($slaying, $hp, $sp)	2677	$self->contr->savebed ($slaying, $hp, $sp)
2455	if $exit->flag (FLAG_DAMNED);	2678	if $exit->flag (FLAG_DAMNED);
2456		2679
2457	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
2458	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
2459	unless (eval {	2684	unless (eval {
2460	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
2461		2686
2462	1;	2687	1;
…		…
2497	the message, with C<log> being the default. If C<$color> is negative, suppress	2722	the message, with C<log> being the default. If C<$color> is negative, suppress
2498	the message unless the client supports the msg packet.	2723	the message unless the client supports the msg packet.
2499		2724
2500	=cut	2725	=cut
2501		2726
		2727	# non-persistent channels (usually the info channel)
		2728	our %CHANNEL = (
		2729	"c/identify" => {
		2730	id => "infobox",
		2731	title => "Identify",
		2732	reply => undef,
		2733	tooltip => "Items recently identified",
		2734	},
		2735	"c/examine" => {
		2736	id => "infobox",
		2737	title => "Examine",
		2738	reply => undef,
		2739	tooltip => "Signs and other items you examined",
		2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
		2747	"c/lookat" => {
		2748	id => "infobox",
		2749	title => "Look",
		2750	reply => undef,
		2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
		2776	},
		2777	);
		2778
2502	sub cf::client::send_msg {	2779	sub cf::client::send_msg {
2503	my ($self, $channel, $msg, $color, @extra) = @_;	2780	my ($self, $channel, $msg, $color, @extra) = @_;
2504		2781
2505	$msg = $self->pl->expand_cfpod ($msg);	2782	$msg = $self->pl->expand_cfpod ($msg);
2506		2783
2507	$color &= cf::NDI_CLIENT_MASK; # just in case...	2784	$color &= cf::NDI_CLIENT_MASK; # just in case...
2508		2785
		2786	# check predefined channels, for the benefit of C
		2787	if ($CHANNEL{$channel}) {
		2788	$channel = $CHANNEL{$channel};
		2789
		2790	$self->ext_msg (channel_info => $channel)
		2791	if $self->can_msg;
		2792
		2793	$channel = $channel->{id};
		2794
2509	if (ref $channel) {	2795	} elsif (ref $channel) {
2510	# send meta info to client, if not yet sent	2796	# send meta info to client, if not yet sent
2511	unless (exists $self->{channel}{$channel->{id}}) {	2797	unless (exists $self->{channel}{$channel->{id}}) {
2512	$self->{channel}{$channel->{id}} = $channel;	2798	$self->{channel}{$channel->{id}} = $channel;
2513	$self->ext_msg (channel_info => $channel);	2799	$self->ext_msg (channel_info => $channel)
		2800	if $self->can_msg;
2514	}	2801	}
2515		2802
2516	$channel = $channel->{id};	2803	$channel = $channel->{id};
2517	}	2804	}
2518		2805
…		…
2730	=pod	3017	=pod
2731		3018
2732	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2733		3020
2734	cf::object	3021	cf::object
2735	contr pay_amount pay_player map x y force_find force_add	3022	contr pay_amount pay_player map x y force_find force_add destroy
2736	insert remove name archname title slaying race decrease_ob_nr	3023	insert remove name archname title slaying race decrease_ob_nr
2737		3024
2738	cf::object::player	3025	cf::object::player
2739	player	3026	player
2740		3027
…		…
2747	=cut	3034	=cut
2748		3035
2749	for (	3036	for (
2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2751	insert remove inv name archname title slaying race	3038	insert remove inv name archname title slaying race
2752	decrease_ob_nr)],	3039	decrease_ob_nr destroy)],
2753	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2755	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2756	) {	3043	) {
2757	no strict 'refs';	3044	no strict 'refs';
…		…
2832	#############################################################################	3119	#############################################################################
2833	# the server's init and main functions	3120	# the server's init and main functions
2834		3121
2835	sub load_facedata($) {	3122	sub load_facedata($) {
2836	my ($path) = @_;	3123	my ($path) = @_;
		3124
		3125	# HACK to clear player env face cache, we need some signal framework
		3126	# for this (global event?)
		3127	%ext::player_env::MUSIC_FACE_CACHE = ();
2837		3128
2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3130
2840	warn "loading facedata from $path\n";	3131	warn "loading facedata from $path\n";
2841		3132
…		…
2953	$ns->fx_want ($k, $v);	3244	$ns->fx_want ($k, $v);
2954	}	3245	}
2955	};	3246	};
2956		3247
2957	sub reload_regions {	3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
2958	load_resource_file "$MAPDIR/regions"	3253	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3254	or die "unable to load regions file\n";
2960		3255
2961	for (cf::region::list) {	3256	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3257	$_->{match} = qr/$_->{match}/
…		…
3024	sub main {	3319	sub main {
3025	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3028	(async {	3323	(async {
3029	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
3031	};	3327	};
3032		3328
3033	reload_config;	3329	reload_config;
3034	db_init;	3330	db_init;
3035	load_extensions;	3331	load_extensions;
3036		3332
3037	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3038	Event::loop;	3335	EV::loop;
3039	}	3336	}
3040		3337
3041	#############################################################################	3338	#############################################################################
3042	# initialisation and cleanup	3339	# initialisation and cleanup
3043		3340
3044	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
3045	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3048	reentrant => 0,
3049	data => WF_AUTOCANCEL,
3050	signal => $signal,
3051	prio => 0,
3052	cb => sub {
3053	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
3054	},
3055	);	3347	};
3056	}	3348	}
3057	}	3349	}
3058		3350
3059	sub write_runtime {	3351	sub write_runtime {
3060	my $runtime = "$LOCALDIR/runtime";	3352	my $runtime = "$LOCALDIR/runtime";
…		…
3105	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
3107	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	3403	$pl->save;
3111	}	3404	}
3112	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
3113		3406
3114	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
3153	warn "syncing database to disk";	3446	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
3155		3448
3156	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
3157		3450
3158	warn "cancelling all WF_AUTOCANCEL watchers";
3159	for (Event::all_watchers) {
3160	$_->cancel if $_->data & WF_AUTOCANCEL;
3161	}
3162
3163	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
3164	for (;;) {	3452	for (;;) {
3165	BDB::flush;	3453	BDB::flush;
3166	IO::AIO::flush;	3454	IO::AIO::flush;
3167	Coro::cede;	3455	Coro::cede_notself;
3168	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3456	last unless IO::AIO::nreqs \|\| BDB::nreqs;
3169	warn "iterate...";	3457	warn "iterate...";
3170	}	3458	}
3171		3459
3172	++$RELOAD;	3460	++$RELOAD;
…		…
3261		3549
3262	sub reload_perl() {	3550	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	3551	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	3552	# coro crashes during coro_state_free->destroy here.
3265		3553
3266	$RELOAD_WATCHER \|\|= Event->timer (	3554	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {
3267	reentrant => 0,
3268	after => 0,
3269	data => WF_AUTOCANCEL,
3270	cb => sub {
3271	do_reload_perl;
3272	undef $RELOAD_WATCHER;	3555	undef $RELOAD_WATCHER;
3273	},	3556	do_reload_perl;
3274	);	3557	};
3275	}	3558	}
3276		3559
3277	register_command "reload" => sub {	3560	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
3279		3562
3280	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	3567	reload_perl;
		3568	};
3283	}	3569	}
3284	};	3570	};
3285		3571
3286	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
3287		3573
…		…
3306	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	3594	$signal->wait;
3309	}	3595	}
3310		3596
3311	my $min = 1e6;#d#	3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3312	my $avg = 10;
3313	$TICK_WATCHER = Event->timer (
3314	reentrant => 0,
3315	parked => 1,
3316	prio => 0,
3317	at => $NEXT_TICK \|\| $TICK,
3318	data => WF_AUTOCANCEL,
3319	cb => sub {
3320	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
3323	return;	3601	return;
3324	}	3602	}
3325		3603
3326	$NOW = $tick_start = Event::time;	3604	$NOW = $tick_start = EV::now;
3327		3605
3328	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
3329		3607
3330	0 && sync_job {#d#	3608	$RUNTIME += $TICK;
3331	for(1..10) {	3609	$NEXT_TICK = $_[0]->at;
3332	my $t = Event::time;
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3334	or die;
3335		3610
3336	$map->width (50);	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3337	$map->height (50);	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3338	$map->alloc;	3613	Coro::async_pool {
3339	$map->_load_objects ("/tmp/x.map", 1);	3614	$Coro::current->{desc} = "runtime saver";
3340	my $t = Event::time - $t;	3615	write_runtime
3341		3616	or warn "ERROR: unable to write runtime file: $!";
3342	#next unless $t < 0.0013;#d#
3343	if ($t < $min) {
3344	$min = $t;
3345	}
3346	$avg = $avg * 0.99 + $t * 0.01;
3347	}
3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349	exit 0;
3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351	};	3617	};
		3618	}
3352		3619
3353	$RUNTIME += $TICK;
3354	$NEXT_TICK += $TICK;
3355
3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
3358	Coro::async_pool {
3359	write_runtime
3360	or warn "ERROR: unable to write runtime file: $!";
3361	};
3362	}
3363
3364	# my $AFTER = Event::time;
3365	# warn $AFTER - $NOW;#d#
3366
3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	3621	$sig->send;
3369	}	3622	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	3623	while (my $sig = shift @WAIT_FOR_TICK) {
3371	$sig->send;	3624	$sig->send;
3372	}	3625	}
3373		3626
3374	$NOW = Event::time;
3375
3376	# if we are delayed by four ticks or more, skip them all
3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379	$TICK_WATCHER->at ($NEXT_TICK);
3380	$TICK_WATCHER->start;
3381
3382	$LOAD = ($NOW - $tick_start) / $TICK;	3627	$LOAD = ($NOW - $tick_start) / $TICK;
3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		3629
3385	_post_tick;	3630	_post_tick;
3386		3631	};
3387		3632	$TICK_WATCHER->priority (EV::MAXPRI);
3388	},
3389	);
3390		3633
3391	{	3634	{
3392	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	3636
3394	reentrant => 0,
3395	fd => BDB::poll_fileno,
3396	poll => 'r',
3397	prio => 0,
3398	data => WF_AUTOCANCEL,
3399	cb => \&BDB::poll_cb,
3400	);
3401	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
3402		3638	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	3639	$Coro::BDB::WATCHER->priority (1);
3404	my $status;
3405	my $current = $Coro::current;
3406	(
3407	sub {
3408	$status = $!;
3409	$current->ready; undef $current;
3410	},
3411	sub {
3412	Coro::schedule while defined $current;
3413	$! = $status;
3414	},
3415	)
3416	};
3417		3640
3418	unless ($DB_ENV) {	3641	unless ($DB_ENV) {
3419	$DB_ENV = BDB::db_env_create;	3642	$DB_ENV = BDB::db_env_create;
		3643	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC
		3644	\| BDB::LOG_AUTOREMOVE, 1);
		3645	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3646	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3420		3647
3421	cf::sync_job {	3648	cf::sync_job {
3422	eval {	3649	eval {
3423	BDB::db_env_open	3650	BDB::db_env_open
3424	$DB_ENV,	3651	$DB_ENV,
…		…
3426	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN	3653	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
3427	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,	3654	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
3428	0666;	3655	0666;
3429		3656
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3657	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
3433	$DB_ENV->set_lk_detect;
3434	};	3658	};
3435		3659
3436	cf::cleanup "db_env_open(db): $@" if $@;	3660	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	3661	};
3438	}	3662	}
		3663
		3664	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3665	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3666	};
		3667	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3668	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3669	};
		3670	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3671	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3672	};
3439	}	3673	}
3440		3674
3441	{	3675	{
		3676	# configure IO::AIO
		3677
3442	IO::AIO::min_parallel 8;	3678	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	3679	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	3680	$Coro::AIO::WATCHER->priority (1);
3447	reentrant => 0,
3448	data => WF_AUTOCANCEL,
3449	fd => IO::AIO::poll_fileno,
3450	poll => 'r',
3451	prio => 6,
3452	cb => \&IO::AIO::poll_cb,
3453	);
3454	}	3681	}
3455		3682
3456	my $_log_backtrace;	3683	my $_log_backtrace;
3457		3684
3458	sub _log_backtrace {	3685	sub _log_backtrace {
…		…
3462		3689
3463	# limit the # of concurrent backtraces	3690	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	3691	if ($_log_backtrace < 2) {
3465	++$_log_backtrace;	3692	++$_log_backtrace;
3466	async {	3693	async {
		3694	$Coro::current->{desc} = "abt $msg";
		3695
3467	my @bt = fork_call {	3696	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	3697	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3698	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 \|"	3699	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 \|"
3471	or die "addr2line: $!";	3700	or die "addr2line: $!";

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.346 by root, Tue Aug 28 19:38:40 2007 UTC vs. Revision 1.404 by root, Mon Dec 17 07:27:58 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.346 by root, Tue Aug 28 19:38:40 2007 UTC vs.
Revision 1.404 by root, Mon Dec 17 07:27:58 2007 UTC