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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
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;
		23	use Coro::Storable;
21		24
		25	use JSON::XS 1.4 ();
22	use BDB ();	26	use BDB ();
23	use Data::Dumper;	27	use Data::Dumper;
24	use Digest::MD5;	28	use Digest::MD5;
25	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
26	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	32	use Time::HiRes;
29	use Compress::LZF;	33	use Compress::LZF;
30		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
33	$Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		42
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
39		45
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
42	our %COMMAND = ();	50	our %COMMAND = ();
43	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
44		52
45	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
49		58
50	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
51	our @EVENT;	60	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		61
54	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $TICK_WATCHER;	75	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	78	our $NEXT_TICK;
59	our $NOW;	79	our $NOW;
…		…
68	our $RUNTIME;	88	our $RUNTIME;
69		89
70	our %PLAYER; # all users	90	our %PLAYER; # all users
71	our %MAP; # all maps	91	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		93
79	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
82	binmode STDOUT;	101	binmode STDOUT;
83	binmode STDERR;	102	binmode STDERR;
84		103
85	# read virtual server time, if available	104	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
90	}	109	}
91		110
92	mkdir cf::localdir;	111	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		113
99	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
100		115
101	sub cf::map::normalise;	116	sub cf::map::normalise;
102		117
…		…
113	=item $cf::RUNTIME	128	=item $cf::RUNTIME
114		129
115	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
116	every server tick.	131	every server tick.
117		132
118	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		136
120	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
122		141
123	=item $cf::NOW	142	=item $cf::NOW
124		143
125	The time of the last (current) server tick.	144	The time of the last (current) server tick.
126		145
127	=item $cf::TICK	146	=item $cf::TICK
128		147
129	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
130		159
131	=item %cf::CFG	160	=item %cf::CFG
132		161
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	163	from wherever your confdir points to.
135		164
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		166
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.
142		170
143	=back	171	=back
144		172
145	=cut	173	=cut
146		174
147	BEGIN {	175	BEGIN {
148	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	177	my $msg = join "", @_;
150	utf8::encode $msg;
151		178
152	$msg .= "\n"	179	$msg .= "\n"
153	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
154		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
155	LOG llevError, $msg;	185	LOG llevError, $msg;
156	};	186	};
157	}	187	}
158		188
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		196
166	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	198	# within the Safe compartment.
168	for my $pkg (qw(	199	for my $pkg (qw(
169	cf::global cf::attachable	200	cf::global cf::attachable
…		…
177	}	208	}
178		209
179	$Event::DIED = sub {	210	$Event::DIED = sub {
180	warn "error in event callback: @_";	211	warn "error in event callback: @_";
181	};	212	};
		213
		214	#############################################################################
182		215
183	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
184		217
185	=over 4	218	=over 4
186		219
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	239	$d
207	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
208	}	241	}
209		242
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
213		244
214	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
215		246
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
224		248
225	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
226		250
227	=cut	251	=cut
228		252
229	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
231	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
232	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
233		257
234	=item cf::lock_wait $string	258	=item cf::lock_wait $string
235		259
236	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
237		261
…		…
243	returned.	267	returned.
244		268
245	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
247		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
248	=cut	276	=cut
249		277
250	our %LOCK;	278	our %LOCK;
251		279
252	sub lock_wait($) {	280	sub lock_wait($) {
…		…
269		297
270	Coro::guard {	298	Coro::guard {
271	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
273	}	301	}
		302	}
		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
274	}	308	}
275		309
276	sub freeze_mainloop {	310	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
278		312
…		…
293		327
294	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
295		329
296	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
297		331
298	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
301		336
302	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
305	fast or be very important.	340	fast or be very important.
…		…
308		343
309	sub sync_job(&) {	344	sub sync_job(&) {
310	my ($job) = @_;	345	my ($job) = @_;
311		346
312	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
313	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
315		352
316	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
328		365
329	while ($busy) {	366	while ($busy) {
330	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
331	}	368	}
332		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
333	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
334	} else {	378	} else {
335	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
336		380
337	$job->()	381	$job->()
…		…
356	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
357		401
358	$coro	402	$coro
359	}	403	}
360		404
361	sub write_runtime {	405	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		406
364	my $runtime = cf::localdir . "/runtime";	407	Executes the given code block with the given arguments in a seperate
		408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
365		411
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	412	=cut
367	or return;
368		413
369	my $value = $cf::RUNTIME + 90 + 10;	414	sub _store_scalar {
370	# 10 is the runtime save interval, for a monotonic clock	415	open my $fh, ">", \my $buf
371	# 60 allows for the watchdog to kill the server.	416	or die "fork_call: cannot open fh-to-buf in child : $!";
372		417	Storable::store_fd $_[0], $fh;
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
374	and return;
375
376	# always fsync - this file is important
377	aio_fsync $fh
378	and return;
379
380	close $fh	418	close $fh;
381	or return;
382		419
383	aio_rename "$runtime~", $runtime	420	$buf
384	and return;	421	}
385		422
		423	sub fork_call(&@) {
		424	my ($cb, @args) = @_;
		425
		426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		427	# or die "socketpair: $!";
		428	pipe my $fh1, my $fh2
		429	or die "pipe: $!";
		430
		431	if (my $pid = fork) {
		432	close $fh2;
		433
		434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		435	warn "pst<$res>" unless $res =~ /^pst/;
		436	$res = Coro::Storable::thaw $res;
		437
		438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		439
		440	Carp::confess $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
386	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		498	my $key = "$_[0]/$_[1]";
		499
		500	cf::sync_job {
		501	BDB::db_get $DB, undef, $key, my $data;
		502
		503	$! ? ()
		504	: $data
		505	}
		506	}
		507
		508	sub db_put($$$) {
		509	BDB::dbreq_pri 4;
		510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		511	}
		512
		513	=item cf::cache $id => [$paths...], $processversion => $process
		514
		515	Generic caching function that returns the value of the resource $id,
		516	caching and regenerating as required.
		517
		518	This function can block.
		519
		520	=cut
		521
		522	sub cache {
		523	my ($id, $src, $processversion, $process) = @_;
		524
		525	my $meta =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	aio_stat $_
		530	and Carp::croak "$_: $!";
		531
		532	($_, (stat _)[7,9])
		533	} @$src;
		534
		535	my $dbmeta = db_get cache => "$id/meta";
		536	if ($dbmeta ne $meta) {
		537	# changed, we may need to process
		538
		539	my @data;
		540	my $md5;
		541
		542	for (0 .. $#$src) {
		543	0 <= aio_load $src->[$_], $data[$_]
		544	or Carp::croak "$src->[$_]: $!";
		545	}
		546
		547	# if processing is expensive, check
		548	# checksum first
		549	if (1) {
		550	$md5 =
		551	join "\x00",
		552	$processversion,
		553	map {
		554	Coro::cede;
		555	($src->[$_], Digest::MD5::md5_hex $data[$_])
		556	} 0.. $#$src;
		557
		558
		559	my $dbmd5 = db_get cache => "$id/md5";
		560	if ($dbmd5 eq $md5) {
		561	db_put cache => "$id/meta", $meta;
		562
		563	return db_get cache => "$id/data";
		564	}
		565	}
		566
		567	my $t1 = Time::HiRes::time;
		568	my $data = $process->(\@data);
		569	my $t2 = Time::HiRes::time;
		570
		571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		572
		573	db_put cache => "$id/data", $data;
		574	db_put cache => "$id/md5" , $md5;
		575	db_put cache => "$id/meta", $meta;
		576
		577	return $data;
		578	}
		579
		580	db_get cache => "$id/data"
		581	}
		582
		583	=item cf::datalog type => key => value, ...
		584
		585	Log a datalog packet of the given type with the given key-value pairs.
		586
		587	=cut
		588
		589	sub datalog($@) {
		590	my ($type, %kv) = @_;
		591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	592	}
388		593
389	=back	594	=back
390		595
391	=cut	596	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	603	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
400		605
401	In the following description, CLASS can be any of C<global>, C<object>	606	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	607	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	608	Crossfire TRT).
404		609
405	=over 4	610	=over 4
406		611
407	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
408		613
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
572		777
573	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		782
578	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	784	my $pkg = shift @arg;
580		785
581	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
611	}	816	}
612		817
613	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
614	} else {	819	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	821	}
617		822
618	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
619	}	824	}
620		825
…		…
622	if (ref $_[0]) {	827	if (ref $_[0]) {
623	_object_attach @_;	828	_object_attach @_;
624	} else {	829	} else {
625	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
626	}	831	}
		832	_recalc_want;
627	};	833	};
628		834
629	# all those should be optimised	835	# all those should be optimised
630	sub cf::attachable::detach {	836	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
635	reattach ($obj);	841	reattach ($obj);
636	} else {	842	} else {
637	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
638	}	844	}
		845	_recalc_want;
639	};	846	};
640		847
641	sub cf::attachable::attached {	848	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
643		850
…		…
816	or return;	1023	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1025	}
819		1026
820	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1029	return ($data, $av);
823	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
824		1037
825	#############################################################################	1038	#############################################################################
826	# command handling &c	1039	# command handling &c
827		1040
828	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1055	}
843		1056
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1058
846	Register a callbackf ro execution when the client sends an extcmd packet.	1059	Register a callback for execution when the client sends an (synchronous)
		1060	extcmd packet. Ext commands will be processed in the order they are
		1061	received by the server, like other user commands. The first argument is
		1062	the logged-in player. Ext commands can only be processed after a player
		1063	has logged in successfully.
847		1064
848	If the callback returns something, it is sent back as if reply was being	1065	If the callback returns something, it is sent back as if reply was being
849	called.	1066	called.
850		1067
		1068	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1069
		1070	Register a callback for execution when the client sends an (asynchronous)
		1071	exticmd packet. Exti commands are processed by the server as soon as they
		1072	are received, i.e. out of order w.r.t. other commands. The first argument
		1073	is a client socket. Exti commands can be received anytime, even before
		1074	log-in.
		1075
		1076	If the callback returns something, it is sent back as if reply was being
		1077	called.
		1078
851	=cut	1079	=cut
852		1080
853	sub register_extcmd {	1081	sub register_extcmd {
854	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
855		1083
856	$EXTCMD{$name} = $cb;	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
857	}	1091	}
858		1092
859	cf::player->attach (	1093	cf::player->attach (
860	on_command => sub {	1094	on_command => sub {
861	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1104	cf::override;
871	},	1105	},
872	on_extcmd => sub {	1106	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
874		1108
875	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1110
877	if (ref $msg) {	1111	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1120
887	cf::override;	1121	cf::override;
888	},	1122	},
889	);	1123	);
890		1124
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
926	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1130	next unless -r $path;
928	eval {	1131
929	load_extension $ext;	1132	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1133	my $base = $1;
		1134	my $pkg = $1;
		1135	$pkg =~ s/[^[:word:]]/_/g;
		1136	$pkg = "ext::$pkg";
		1137
		1138	open my $fh, "<:utf8", $path
		1139	or die "$path: $!";
		1140
		1141	my $source = do { local $/; <$fh> };
		1142
		1143	my %ext = (
		1144	path => $path,
		1145	base => $base,
		1146	pkg => $pkg,
		1147	);
		1148
		1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1151
		1152	$ext{source} =
		1153	"package $pkg; use strict; use utf8;\n"
		1154	. "#line 1 \"$path\"\n{\n"
		1155	. $source
		1156	. "\n};\n1";
		1157
		1158	$todo{$base} = \%ext;
		1159	}
		1160
		1161	my %done;
		1162	while (%todo) {
		1163	my $progress;
		1164
		1165	while (my ($k, $v) = each %todo) {
		1166	for (split /,\s*/, $v->{meta}{depends}) {
		1167	goto skip
		1168	unless exists $done{$_};
		1169	}
		1170
		1171	warn "... loading '$k' into '$v->{pkg}'\n";
		1172
		1173	unless (eval $v->{source}) {
		1174	my $msg = $@ ? "$v->{path}: $@\n"
		1175	: "$v->{base}: extension inactive.\n";
		1176
		1177	if (exists $v->{meta}{mandatory}) {
		1178	warn $msg;
		1179	warn "mandatory extension failed to load, exiting.\n";
		1180	exit 1;
		1181	}
		1182
		1183	warn $msg;
		1184	}
		1185
		1186	$done{$k} = delete $todo{$k};
		1187	push @EXTS, $v->{pkg};
		1188	$progress = 1;
930	1	1189	}
931	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
932	}	1195	};
933	}	1196	}
934		1197
935	#############################################################################	1198	#############################################################################
936		1199
		1200	=back
		1201
937	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
938		1203
939	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
940		1205
941	=cut	1206	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
954		1219
955	=cut	1220	=cut
956		1221
957	sub playerdir($) {	1222	sub playerdir($) {
958	cf::localdir	1223	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1225	}
964		1226
965	sub path($) {	1227	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1229
968	(playerdir $login) . "/$login.pl"	1230	(playerdir $login) . "/playerdata"
969	}	1231	}
970		1232
971	sub find_active($) {	1233	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1234	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1235	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1248	my $login = $_[0];
987		1249
988	my $guard = cf::lock_acquire "user_find:$login";	1250	my $guard = cf::lock_acquire "user_find:$login";
989		1251
990	$cf::PLAYER{$_[0]} || do {	1252	$cf::PLAYER{$_[0]} || do {
		1253	# rename old playerfiles to new ones
		1254	#TODO: remove when no longer required
		1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1258	aio_unlink +(playerdir $login) . "/$login.pl";
		1259
991	my $pl = load_pl path $login	1260	my $pl = load_pl path $login
992	or return;	1261	or return;
993	$cf::PLAYER{$login} = $pl	1262	$cf::PLAYER{$login} = $pl
994	}	1263	}
995	}	1264	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1080		1349
1081	=cut	1350	=cut
1082		1351
1083	sub list_logins {	1352	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1354	or return [];
1086		1355
1087	my @logins;	1356	my @logins;
1088		1357
1089	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
…		…
1124	}	1393	}
1125		1394
1126	\@paths	1395	\@paths
1127	}	1396	}
1128		1397
		1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1399
		1400	Expand crossfire pod fragments into protocol xml.
		1401
		1402	=cut
		1403
		1404	sub expand_cfpod {
		1405	((my $self), (local $_)) = @_;
		1406
		1407	# escape & and <
		1408	s/&/&amp;/g;
		1409	s/(?<![BIUGH])</&lt;/g;
		1410
		1411	# this is buggy, it needs to properly take care of nested <'s
		1412
		1413	1 while
		1414	# replace B<>, I<>, U<> etc.
		1415	s/B<([^\>]*)>/<b>$1<\/b>/
		1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1418	# replace G<male|female> tags
		1419	|| s{G<([^>|]*)\|([^>]*)>}{
		1420	$self->gender ? $2 : $1
		1421	}ge
		1422	# replace H<hint text>
		1423	|| s{H<([^\>]*)>}
		1424	{
		1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1427	"")
		1428	[$self->{hintmode}]
		1429	}ge;
		1430
		1431	# create single paragraphs (very hackish)
		1432	s/(?<=\S)\n(?=\w)/ /g;
		1433
		1434	# compress some whitespace
		1435	s/\s+\n/\n/g; # ws line-ends
		1436	s/\n\n+/\n/g; # double lines
		1437	s/^\n+//; # beginning lines
		1438	s/\n+$//; # ending lines
		1439
		1440	$_
		1441	}
		1442
		1443	sub hintmode {
		1444	$_[0]{hintmode} = $_[1] if @_ > 1;
		1445	$_[0]{hintmode}
		1446	}
		1447
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1448	=item $player->ext_reply ($msgid, %msg)
1130		1449
1131	Sends an ext reply to the player.	1450	Sends an ext reply to the player.
1132		1451
1133	=cut	1452	=cut
1134		1453
1135	sub ext_reply($$$%) {	1454	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1455	my ($self, $id, %msg) = @_;
1137		1456
1138	$msg{msgid} = $id;	1457	$msg{msgid} = $id;
1139		1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1459	}
1142		1460
1143	package cf;	1461	=item $player->ext_event ($type, %msg)
		1462
		1463	Sends an ext event to the client.
		1464
		1465	=cut
		1466
		1467	sub ext_event($$%) {
		1468	my ($self, $type, %msg) = @_;
		1469
		1470	$self->ns->ext_event ($type, %msg);
		1471	}
		1472
		1473	=head3 cf::region
		1474
		1475	=over 4
		1476
		1477	=cut
		1478
		1479	package cf::region;
		1480
		1481	=item cf::region::find_by_path $path
		1482
		1483	Tries to decuce the likely region for a map knowing only its path.
		1484
		1485	=cut
		1486
		1487	sub find_by_path($) {
		1488	my ($path) = @_;
		1489
		1490	my ($match, $specificity);
		1491
		1492	for my $region (list) {
		1493	if ($region->match && $path =~ $region->match) {
		1494	($match, $specificity) = ($region, $region->specificity)
		1495	if $region->specificity > $specificity;
		1496	}
		1497	}
		1498
		1499	$match
		1500	}
1144		1501
1145	=back	1502	=back
1146
1147		1503
1148	=head3 cf::map	1504	=head3 cf::map
1149		1505
1150	=over 4	1506	=over 4
1151		1507
…		…
1206	my ($self, $merge) = @_;	1562	my ($self, $merge) = @_;
1207		1563
1208	# we have to keep some variables in memory intact	1564	# we have to keep some variables in memory intact
1209	local $self->{path};	1565	local $self->{path};
1210	local $self->{load_path};	1566	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1567
1214	$self->SUPER::thawer_merge ($merge);	1568	$self->SUPER::thawer_merge ($merge);
1215	}	1569	}
1216		1570
1217	sub normalise {	1571	sub normalise {
…		…
1289		1643
1290	# the original (read-only) location	1644	# the original (read-only) location
1291	sub load_path {	1645	sub load_path {
1292	my ($self) = @_;	1646	my ($self) = @_;
1293		1647
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1648	"$MAPDIR/$self->{path}.map"
1295	}	1649	}
1296		1650
1297	# the temporary/swap location	1651	# the temporary/swap location
1298	sub save_path {	1652	sub save_path {
1299	my ($self) = @_;	1653	my ($self) = @_;
1300		1654
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1656	"$TMPDIR/$path.map"
1303	}	1657	}
1304		1658
1305	# the unique path, undef == no special unique path	1659	# the unique path, undef == no special unique path
1306	sub uniq_path {	1660	sub uniq_path {
1307	my ($self) = @_;	1661	my ($self) = @_;
1308		1662
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1664	"$UNIQUEDIR/$path"
1311	}	1665	}
1312		1666
1313	# and all this just because we cannot iterate over	1667	# and all this just because we cannot iterate over
1314	# all maps in C++...	1668	# all maps in C++...
1315	sub change_all_map_light {	1669	sub change_all_map_light {
1316	my ($change) = @_;	1670	my ($change) = @_;
1317		1671
1318	$_->change_map_light ($change)	1672	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1673	for grep $_->outdoor, values %cf::MAP;
		1674	}
		1675
		1676	sub decay_objects {
		1677	my ($self) = @_;
		1678
		1679	return if $self->{deny_reset};
		1680
		1681	$self->do_decay_objects;
1320	}	1682	}
1321		1683
1322	sub unlink_save {	1684	sub unlink_save {
1323	my ($self) = @_;	1685	my ($self) = @_;
1324		1686
…		…
1382	$self->load_header_orig	1744	$self->load_header_orig
1383	or return;	1745	or return;
1384	$self->prepare_orig;	1746	$self->prepare_orig;
1385	}	1747	}
1386		1748
		1749	$self->{deny_reset} = 1
		1750	if $self->no_reset;
		1751
		1752	$self->default_region (cf::region::find_by_path $self->{path})
		1753	unless $self->default_region;
		1754
1387	1	1755	1
1388	}	1756	}
1389		1757
1390	sub find;	1758	sub find;
1391	sub find {	1759	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1771	$map->{last_save} = $cf::RUNTIME;
1404		1772
1405	$map->load_header	1773	$map->load_header
1406	or return;	1774	or return;
1407		1775
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1777	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1778	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1779	$map->reset;
1412	undef $guard;	1780	undef $guard;
1413	return find $path;	1781	return find $path;
…		…
1424	my ($self) = @_;	1792	my ($self) = @_;
1425		1793
1426	local $self->{deny_reset} = 1; # loading can take a long time	1794	local $self->{deny_reset} = 1; # loading can take a long time
1427		1795
1428	my $path = $self->{path};	1796	my $path = $self->{path};
		1797
		1798	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1799	my $guard = cf::lock_acquire "map_load:$path";
1430		1800
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1801	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1802
1433	$self->in_memory (cf::MAP_LOADING);	1803	$self->in_memory (cf::MAP_LOADING);
1434		1804
1435	$self->alloc;	1805	$self->alloc;
1436		1806
1437	$self->pre_load;	1807	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1808	Coro::cede;
1463	$self->set_darkness_map;	1809
		1810	$self->_load_objects ($self->{load_path}, 1)
		1811	or return;
		1812
		1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1814	if delete $self->{load_original};
		1815
		1816	if (my $uniq = $self->uniq_path) {
		1817	utf8::encode $uniq;
		1818	if (aio_open $uniq, O_RDONLY, 0) {
		1819	$self->clear_unique_items;
		1820	$self->_load_objects ($uniq, 0);
		1821	}
		1822	}
		1823
		1824	Coro::cede;
		1825	# now do the right thing for maps
		1826	$self->link_multipart_objects;
1464	$self->difficulty ($self->estimate_difficulty)	1827	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1828	unless $self->difficulty;
1466	Coro::cede;	1829	Coro::cede;
		1830
		1831	unless ($self->{deny_activate}) {
		1832	$self->decay_objects;
		1833	$self->fix_auto_apply;
		1834	$self->update_buttons;
		1835	Coro::cede;
		1836	$self->set_darkness_map;
		1837	Coro::cede;
1467	$self->activate;	1838	$self->activate;
		1839	}
		1840
		1841	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1842	}
1469		1843
1470	$self->post_load;	1844	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1845	}
1474		1846
1475	sub customise_for {	1847	sub customise_for {
1476	my ($self, $ob) = @_;	1848	my ($self, $ob) = @_;
1477		1849
1478	return find "~" . $ob->name . "/" . $self->{path}	1850	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1851	if $self->per_player;
		1852
		1853	# return find "?party/" . $ob->name . "/" . $self->{path}
		1854	# if $self->per_party;
1480		1855
1481	$self	1856	$self
1482	}	1857	}
1483		1858
1484	# find and load all maps in the 3x3 area around a map	1859	# find and load all maps in the 3x3 area around a map
…		…
1595		1970
1596	sub reset_at {	1971	sub reset_at {
1597	my ($self) = @_;	1972	my ($self) = @_;
1598		1973
1599	# TODO: safety, remove and allow resettable per-player maps	1974	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	1975	return 1e99 if $self->{deny_reset};
1602		1976
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1977	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1978	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		1979
…		…
1616	my ($self) = @_;	1990	my ($self) = @_;
1617		1991
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	1992	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		1993
1620	return if $self->players;	1994	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		1995
1623	warn "resetting map ", $self->path;#d#	1996	warn "resetting map ", $self->path;
1624		1997
1625	$self->in_memory (cf::MAP_SWAPPED);	1998	$self->in_memory (cf::MAP_SWAPPED);
1626		1999
1627	# need to save uniques path	2000	# need to save uniques path
1628	unless ($self->{deny_save}) {	2001	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	2033	$cf::MAP{$self->path} = $self;
1661		2034
1662	$self->reset; # polite request, might not happen	2035	$self->reset; # polite request, might not happen
1663	}	2036	}
1664		2037
		2038	=item $maps = cf::map::tmp_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	maps. May block.
		2042
		2043	=cut
		2044
		2045	sub tmp_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise $_
		2051	: ()
		2052	} @{ aio_readdir $TMPDIR or [] }
		2053	]
		2054	}
		2055
		2056	=item $maps = cf::map::random_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	random maps. May block.
		2060
		2061	=cut
		2062
		2063	sub random_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise "?random/$_"
		2069	: ()
		2070	} @{ aio_readdir $RANDOMDIR or [] }
		2071	]
		2072	}
		2073
1665	=item cf::map::unique_maps	2074	=item cf::map::unique_maps
1666		2075
1667	Returns an arrayref of paths of all shared maps that have	2076	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2077	instantiated unique items. May block.
1669		2078
1670	=cut	2079	=cut
1671		2080
1672	sub unique_maps() {	2081	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2082	[
1674	or return;	2083	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2084	utf8::decode $_;
1680	next if /\.pst$/;	2085	/\.map$/
1681	next unless /^$PATH_SEP/o;	2086	? normalise $_
1682		2087	: ()
1683	push @paths, cf::map::normalise $_;	2088	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2089	]
1685
1686	\@paths
1687	}	2090	}
1688		2091
1689	package cf;	2092	package cf;
1690		2093
1691	=back	2094	=back
…		…
1737		2140
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2141	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2142
1740	if ($self->{record_replies}) {	2143	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2144	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2145
1742	} else {	2146	} else {
		2147	my $pl = $self->contr;
		2148
		2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2150	my $diag = $pl->{npc_dialog};
		2151	$diag->{pl}->ext_reply (
		2152	$diag->{id},
		2153	msgtype => "reply",
		2154	msg => $diag->{pl}->expand_cfpod ($msg),
		2155	add_topics => []
		2156	);
		2157
		2158	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2159	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2160	$self->message ($msg, $flags);
		2161	}
1745	}	2162	}
1746	}	2163	}
1747		2164
1748	=item $player_object->may ("access")	2165	=item $player_object->may ("access")
1749		2166
…		…
1797	$self->deactivate_recursive;	2214	$self->deactivate_recursive;
1798		2215
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2216	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2217
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2219	if $self->map && $self->map->{path} ne "{link}";
1803		2220
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2222	}
1806		2223
1807	sub cf::object::player::leave_link {	2224	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2225	my ($self, $map, $x, $y) = @_;
		2226
		2227	return unless $self->contr->active;
1809		2228
1810	my $link_pos = delete $self->{_link_pos};	2229	my $link_pos = delete $self->{_link_pos};
1811		2230
1812	unless ($map) {	2231	unless ($map) {
1813	# restore original map position	2232	# restore original map position
…		…
1836		2255
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2257	$self->enter_map ($map, $x, $y);
1839	}	2258	}
1840		2259
1841	cf::player->attach (
1842	on_logout => sub {
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)	2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1874		2261
		2262	Moves the player to the given map-path and coordinates by first freezing
		2263	her, loading and preparing them map, calling the provided $check callback
		2264	that has to return the map if sucecssful, and then unfreezes the player on
		2265	the new (success) or old (failed) map position.
		2266
1875	=cut	2267	=cut
		2268
		2269	our $GOTOGEN;
1876		2270
1877	sub cf::object::player::goto {	2271	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2272	my ($self, $path, $x, $y, $check) = @_;
		2273
		2274	# do generation counting so two concurrent goto's will be executed in-order
		2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2276
1880	$self->enter_link;	2277	$self->enter_link;
1881		2278
1882	(async {	2279	(async {
1883	my $map = eval {	2280	my $map = eval {
1884	my $map = cf::map::find $path;	2281	my $map = cf::map::find $path;
		2282
		2283	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2284	$map = $map->customise_for ($self);
		2285	$map = $check->($map) if $check && $map;
		2286	} else {
		2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2288	}
		2289
1886	$map	2290	$map
		2291	};
		2292
		2293	if ($@) {
		2294	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2295	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2296	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2297
		2298	if ($gen == $self->{_goto_generation}) {
		2299	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2300	$self->leave_link ($map, $x, $y);
		2301	}
1891	})->prio (1);	2302	})->prio (1);
1892	}	2303	}
1893		2304
1894	=item $player_object->enter_exit ($exit_object)	2305	=item $player_object->enter_exit ($exit_object)
1895		2306
…		…
1934		2345
1935	$rmp->{random_seed} ||= $exit->random_seed;	2346	$rmp->{random_seed} ||= $exit->random_seed;
1936		2347
1937	my $data = cf::to_json $rmp;	2348	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2349	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2350	my $meta = "$RANDOMDIR/$md5.meta";
1940		2351
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2353	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2354	undef $fh;
1944	aio_rename "$meta~", $meta;	2355	aio_rename "$meta~", $meta;
…		…
1953		2364
1954	return unless $self->type == cf::PLAYER;	2365	return unless $self->type == cf::PLAYER;
1955		2366
1956	if ($exit->slaying eq "/!") {	2367	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2369	# the problem is that $exit might not survive long enough
		2370	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2371	cf::sync_job { prepare_random_map $exit };
1959	}	2372	}
1960		2373
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2375	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2376	my $sp = $exit->stats->sp;
1964		2377
1965	$self->enter_link;	2378	$self->enter_link;
		2379
		2380	# if exit is damned, update players death & WoR home-position
		2381	$self->contr->savebed ($slaying, $hp, $sp)
		2382	if $exit->flag (FLAG_DAMNED);
1966		2383
1967	(async {	2384	(async {
1968	$self->deactivate_recursive; # just to be sure	2385	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2386	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2387	$self->goto ($slaying, $hp, $sp);
1971		2388
1972	1;	2389	1;
1973	}) {	2390	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2391	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2392	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2393	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2394	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2395
1979	warn "ERROR in enter_exit: $@";	2396	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2397	$self->leave_link;
1981	}	2398	}
1982	})->prio (1);	2399	})->prio (1);
…		…
1998		2415
1999	utf8::encode $text;	2416	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2418	}
2002		2419
		2420	=item $client->send_msg ($color, $type, $msg, [extra...])
		2421
		2422	Send a drawinfo or msg packet to the client, formatting the msg for the
		2423	client if neccessary. C<$type> should be a string identifying the type of
		2424	the message, with C<log> being the default. If C<$color> is negative, suppress
		2425	the message unless the client supports the msg packet.
		2426
		2427	=cut
		2428
		2429	sub cf::client::send_msg {
		2430	my ($self, $color, $type, $msg, @extra) = @_;
		2431
		2432	$msg = $self->pl->expand_cfpod ($msg);
		2433
		2434	return unless @extra || length $msg;
		2435
		2436	if ($self->can_msg) {
		2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2438	} else {
		2439	# replace some tags by gcfclient-compatible ones
		2440	for ($msg) {
		2441	1 while
		2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2447	}
		2448
		2449	if ($color >= 0) {
		2450	if (0 && $msg =~ /\[/) {
		2451	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2452	} else {
		2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2454	$self->send_packet ("drawinfo $color $msg")
		2455	}
		2456	}
		2457	}
		2458	}
		2459
		2460	=item $client->ext_event ($type, %msg)
		2461
		2462	Sends an ext event to the client.
		2463
		2464	=cut
		2465
		2466	sub cf::client::ext_event($$%) {
		2467	my ($self, $type, %msg) = @_;
		2468
		2469	$msg{msgtype} = "event_$type";
		2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2471	}
2003		2472
2004	=item $success = $client->query ($flags, "text", \&cb)	2473	=item $success = $client->query ($flags, "text", \&cb)
2005		2474
2006	Queues a query to the client, calling the given callback with	2475	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2476	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2477	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2478
2010	Queries can fail, so check the return code. Or don't, as queries will become	2479	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2480	become reliable at some point in the future.
2012		2481
2013	=cut	2482	=cut
2014		2483
2015	sub cf::client::query {	2484	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2485	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2493	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2494	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2495
2027	$self->send_packet ($self->{query_queue}[0][0])	2496	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2497	if @{ $self->{query_queue} } == 1;
		2498
		2499	1
2029	}	2500	}
2030		2501
2031	cf::client->attach (	2502	cf::client->attach (
		2503	on_connect => sub {
		2504	my ($ns) = @_;
		2505
		2506	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2507	},
2032	on_reply => sub {	2508	on_reply => sub {
2033	my ($ns, $msg) = @_;	2509	my ($ns, $msg) = @_;
2034		2510
2035	# this weird shuffling is so that direct followup queries	2511	# this weird shuffling is so that direct followup queries
2036	# get handled first	2512	# get handled first
…		…
2048	} else {	2524	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2525	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2526	}
2051	}	2527	}
2052	},	2528	},
		2529	on_exticmd => sub {
		2530	my ($ns, $buf) = @_;
		2531
		2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2533
		2534	if (ref $msg) {
		2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2536	if (my %reply = $cb->($ns, $msg)) {
		2537	$reply{msgid} = $msg->{msgid};
		2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2539	}
		2540	}
		2541	} else {
		2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2543	}
		2544
		2545	cf::override;
		2546	},
2053	);	2547	);
2054		2548
2055	=item $client->async (\&cb)	2549	=item $client->async (\&cb)
2056		2550
2057	Create a new coroutine, running the specified callback. The coroutine will	2551	Create a new coroutine, running the specified callback. The coroutine will
…		…
2104		2598
2105	# here we export the classes and methods available to script code	2599	# here we export the classes and methods available to script code
2106		2600
2107	=pod	2601	=pod
2108		2602
2109	The following fucntions and emthods are available within a safe environment:	2603	The following functions and methods are available within a safe environment:
2110		2604
2111	cf::object contr pay_amount pay_player map	2605	cf::object
		2606	contr pay_amount pay_player map x y force_find force_add
		2607	insert remove
		2608
2112	cf::object::player player	2609	cf::object::player
2113	cf::player peaceful	2610	player
2114	cf::map trigger	2611
		2612	cf::player
		2613	peaceful
		2614
		2615	cf::map
		2616	trigger
2115		2617
2116	=cut	2618	=cut
2117		2619
2118	for (	2620	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2622	insert remove)],
2120	["cf::object::player" => qw(player)],	2623	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2624	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2625	["cf::map" => qw(trigger)],
2123	) {	2626	) {
2124	no strict 'refs';	2627	no strict 'refs';
…		…
2195	=back	2698	=back
2196		2699
2197	=cut	2700	=cut
2198		2701
2199	#############################################################################	2702	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2703	# the server's init and main functions
2273		2704
2274	sub load_faces {	2705	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2706	my ($path) = @_;
2276		2707
2277	warn "loading faces from $path\n";	2708	warn "loading facedata from $path\n";
2278		2709
2279	my $faces;	2710	my $facedata;
2280	0 < aio_load $path, $faces	2711	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2712	or die "$path: $!";
2282		2713
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2714	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2715
		2716	$facedata->{version} == 2
		2717	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2718
		2719	{
		2720	my $faces = $facedata->{faceinfo};
		2721
2287	while (my ($face, $info) = each %$faces) {	2722	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2291	Coro::cede;	2727	Coro::cede;
2292	}	2728	}
2293		2729
2294	while (my ($face, $info) = each %$faces) {	2730	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	2731	next unless $info->{smooth};
2296	my $idx = cf::face::find $face	2732	my $idx = cf::face::find $face
2297	or next;	2733	or next;
2298	if (my $smooth = cf::face::find $info->{smooth}) {	2734	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2301	} else {	2736	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	2737	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	2738	}
2304	Coro::cede;	2739	Coro::cede;
		2740	}
		2741	}
		2742
		2743	{
		2744	my $anims = $facedata->{animinfo};
		2745
		2746	while (my ($anim, $info) = each %$anims) {
		2747	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2748	Coro::cede;
		2749	}
		2750
		2751	cf::anim::invalidate_all; # d'oh
2305	}	2752	}
2306		2753
2307	1	2754	1
2308	}	2755	}
2309		2756
		2757	sub reload_regions {
		2758	load_resource_file "$MAPDIR/regions"
		2759	or die "unable to load regions file\n";
		2760	}
		2761
		2762	sub reload_facedata {
		2763	load_facedata "$DATADIR/facedata"
		2764	or die "unable to load facedata\n";
		2765	}
		2766
		2767	sub reload_archetypes {
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	#d# NEED to laod twice to resolve forward references
		2771	# this really needs to be done in an extra post-pass
		2772	# (which needs to be synchronous, so solve it differently)
		2773	load_resource_file "$DATADIR/archetypes"
		2774	or die "unable to load archetypes\n";
		2775	}
		2776
		2777	sub reload_treasures {
		2778	load_resource_file "$DATADIR/treasures"
		2779	or die "unable to load treasurelists\n";
		2780	}
		2781
2310	sub reload_resources {	2782	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2783	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	2784
		2785	reload_regions;
2313	load_faces	2786	reload_facedata;
2314	or die "unable to load faces\n";#d#	2787	#reload_archetypes;#d#
		2788	reload_archetypes;
		2789	reload_treasures;
		2790
		2791	warn "finished reloading resource files\n";
2315	}	2792	}
2316		2793
2317	sub init {	2794	sub init {
2318	reload_resources;	2795	reload_resources;
2319	}	2796	}
2320		2797
2321	sub cfg_load {	2798	sub cfg_load {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	2799	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	2800	or return;
2324		2801
2325	local $/;	2802	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	2803	*CFG = YAML::Syck::Load <$fh>;
2327		2804
…		…
2372	},	2849	},
2373	);	2850	);
2374	}	2851	}
2375	}	2852	}
2376		2853
		2854	sub write_runtime {
		2855	my $runtime = "$LOCALDIR/runtime";
		2856
		2857	# first touch the runtime file to show we are still running:
		2858	# the fsync below can take a very very long time.
		2859
		2860	IO::AIO::aio_utime $runtime, undef, undef;
		2861
		2862	my $guard = cf::lock_acquire "write_runtime";
		2863
		2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2865	or return;
		2866
		2867	my $value = $cf::RUNTIME + 90 + 10;
		2868	# 10 is the runtime save interval, for a monotonic clock
		2869	# 60 allows for the watchdog to kill the server.
		2870
		2871	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2872	and return;
		2873
		2874	# always fsync - this file is important
		2875	aio_fsync $fh
		2876	and return;
		2877
		2878	# touch it again to show we are up-to-date
		2879	aio_utime $fh, undef, undef;
		2880
		2881	close $fh
		2882	or return;
		2883
		2884	aio_rename "$runtime~", $runtime
		2885	and return;
		2886
		2887	warn "runtime file written.\n";
		2888
		2889	1
		2890	}
		2891
2377	sub emergency_save() {	2892	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	2893	my $freeze_guard = cf::freeze_mainloop;
2379		2894
2380	warn "enter emergency perl save\n";	2895	warn "enter emergency perl save\n";
2381		2896
…		…
2412		2927
2413	warn Carp::longmess "post_cleanup backtrace"	2928	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	2929	if $make_core;
2415	}	2930	}
2416		2931
2417	sub reload() {	2932	sub do_reload_perl() {
2418	# can/must only be called in main	2933	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	2934	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	2935	warn "can only reload from main coroutine";
2421	return;	2936	return;
2422	}	2937	}
…		…
2456	%EXT_CORO = ();	2971	%EXT_CORO = ();
2457		2972
2458	warn "removing commands";	2973	warn "removing commands";
2459	%COMMAND = ();	2974	%COMMAND = ();
2460		2975
2461	warn "removing ext commands";	2976	warn "removing ext/exti commands";
2462	%EXTCMD = ();	2977	%EXTCMD = ();
		2978	%EXTICMD = ();
2463		2979
2464	warn "unloading/nuking all extensions";	2980	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	2981	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	2982	warn "... unloading $pkg";
2467		2983
…		…
2497	Symbol::delete_package "safe::$_"	3013	Symbol::delete_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3015
2500	warn "unloading cf.pm \"a bit\"";	3016	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3017	delete $INC{"cf.pm"};
		3018	delete $INC{"cf/pod.pm"};
2502		3019
2503	# don't, removes xs symbols, too,	3020	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3021	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3022	#Symbol::delete_package __PACKAGE__;
2506		3023
…		…
2521	warn "reattaching attachments to maps";	3038	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3039	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3040	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3041	reattach $_ for values %PLAYER;
2525		3042
2526	warn "loading reloadable resources";
2527	reload_resources;
2528
2529	warn "leaving sync_job";	3043	warn "leaving sync_job";
2530		3044
2531	1	3045	1
2532	} or do {	3046	} or do {
2533	warn $@;	3047	warn $@;
…		…
2538	warn "reloaded";	3052	warn "reloaded";
2539	};	3053	};
2540		3054
2541	our $RELOAD_WATCHER; # used only during reload	3055	our $RELOAD_WATCHER; # used only during reload
2542		3056
		3057	sub reload_perl() {
		3058	# doing reload synchronously and two reloads happen back-to-back,
		3059	# coro crashes during coro_state_free->destroy here.
		3060
		3061	$RELOAD_WATCHER ||= Event->timer (
		3062	reentrant => 0,
		3063	after => 0,
		3064	data => WF_AUTOCANCEL,
		3065	cb => sub {
		3066	do_reload_perl;
		3067	undef $RELOAD_WATCHER;
		3068	},
		3069	);
		3070	}
		3071
2543	register_command "reload" => sub {	3072	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3073	my ($who, $arg) = @_;
2545		3074
2546	if ($who->flag (FLAG_WIZ)) {	3075	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3076	$who->message ("reloading server.");
2548		3077	async { reload_perl };
2549	# doing reload synchronously and two reloads happen back-to-back,
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);
2561	}	3078	}
2562	};	3079	};
2563		3080
2564	unshift @INC, $LIBDIR;	3081	unshift @INC, $LIBDIR;
2565		3082
2566	my $bug_warning = 0;	3083	my $bug_warning = 0;
2567		3084
		3085	our @WAIT_FOR_TICK;
		3086	our @WAIT_FOR_TICK_BEGIN;
		3087
		3088	sub wait_for_tick {
		3089	return unless $TICK_WATCHER->is_active;
		3090	return if $Coro::current == $Coro::main;
		3091
		3092	my $signal = new Coro::Signal;
		3093	push @WAIT_FOR_TICK, $signal;
		3094	$signal->wait;
		3095	}
		3096
		3097	sub wait_for_tick_begin {
		3098	return unless $TICK_WATCHER->is_active;
		3099	return if $Coro::current == $Coro::main;
		3100
		3101	my $signal = new Coro::Signal;
		3102	push @WAIT_FOR_TICK_BEGIN, $signal;
		3103	$signal->wait;
		3104	}
		3105
		3106	my $min = 1e6;#d#
		3107	my $avg = 10;
2568	$TICK_WATCHER = Event->timer (	3108	$TICK_WATCHER = Event->timer (
2569	reentrant => 0,	3109	reentrant => 0,
2570	parked => 1,	3110	parked => 1,
2571	prio => 0,	3111	prio => 0,
2572	at => $NEXT_TICK || $TICK,	3112	at => $NEXT_TICK || $TICK,
…		…
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3117	unless ++$bug_warning > 10;
2578	return;	3118	return;
2579	}	3119	}
2580		3120
2581	$NOW = Event::time;	3121	$NOW = $tick_start = Event::time;
2582		3122
2583	cf::server_tick; # one server iteration	3123	cf::server_tick; # one server iteration
		3124
		3125	0 && sync_job {#d#
		3126	for(1..10) {
		3127	my $t = Event::time;
		3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3129	or die;
		3130
		3131	$map->width (50);
		3132	$map->height (50);
		3133	$map->alloc;
		3134	$map->_load_objects ("/tmp/x.map", 1);
		3135	my $t = Event::time - $t;
		3136
		3137	#next unless $t < 0.0013;#d#
		3138	if ($t < $min) {
		3139	$min = $t;
		3140	}
		3141	$avg = $avg * 0.99 + $t * 0.01;
		3142	}
		3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3144	exit 0;
		3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3146	};
		3147
2584	$RUNTIME += $TICK;	3148	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;	3149	$NEXT_TICK += $TICK;
2586		3150
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2590	write_runtime	3154	write_runtime
2591	or warn "ERROR: unable to write runtime file: $!";	3155	or warn "ERROR: unable to write runtime file: $!";
2592	};	3156	};
2593	}	3157	}
2594		3158
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;	3159	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#	3160	# warn $AFTER - $NOW;#d#
2600		3161
		3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3163	$sig->send;
		3164	}
		3165	while (my $sig = shift @WAIT_FOR_TICK) {
		3166	$sig->send;
		3167	}
		3168
		3169	$NOW = Event::time;
		3170
2601	# if we are delayed by four ticks or more, skip them all	3171	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2603		3173
2604	$TICK_WATCHER->at ($NEXT_TICK);	3174	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;	3175	$TICK_WATCHER->start;
		3176
		3177	$LOAD = ($NOW - $tick_start) / $TICK;
		3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3179
		3180	_post_tick;
		3181
		3182
2606	},	3183	},
2607	);	3184	);
2608		3185
2609	{	3186	{
2610	BDB::max_poll_time $TICK * 0.1;	3187	BDB::max_poll_time $TICK * 0.1;
…		…
2638		3215
2639	cf::sync_job {	3216	cf::sync_job {
2640	eval {	3217	eval {
2641	BDB::db_env_open	3218	BDB::db_env_open
2642	$DB_ENV,	3219	$DB_ENV,
2643	$BDB_ENV_DIR,	3220	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3223	0666;
2647		3224
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649		3226
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;	3228	$DB_ENV->set_lk_detect;
2652	};	3229	};
2653		3230
…		…
2669	prio => 6,	3246	prio => 6,
2670	cb => \&IO::AIO::poll_cb,	3247	cb => \&IO::AIO::poll_cb,
2671	);	3248	);
2672	}	3249	}
2673		3250
		3251	my $_log_backtrace;
		3252
		3253	sub _log_backtrace {
		3254	my ($msg, @addr) = @_;
		3255
		3256	$msg =~ s/\n//;
		3257
		3258	# limit the # of concurrent backtraces
		3259	if ($_log_backtrace < 2) {
		3260	++$_log_backtrace;
		3261	async {
		3262	my @bt = fork_call {
		3263	@addr = map { sprintf "%x", $_ } @addr;
		3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3266	or die "addr2line: $!";
		3267
		3268	my @funcs;
		3269	my @res = <$fh>;
		3270	chomp for @res;
		3271	while (@res) {
		3272	my ($func, $line) = splice @res, 0, 2, ();
		3273	push @funcs, "[$func] $line";
		3274	}
		3275
		3276	@funcs
		3277	};
		3278
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] $_\n" for @bt;
		3281	--$_log_backtrace;
		3282	};
		3283	} else {
		3284	LOG llevInfo, "[ABT] $msg\n";
		3285	LOG llevInfo, "[ABT] [suppressed]\n";
		3286	}
		3287	}
		3288
		3289	# load additional modules
		3290	use cf::pod;
		3291
2674	END { cf::emergency_save }	3292	END { cf::emergency_save }
2675		3293
2676	1	3294	1
2677		3295

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