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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
28		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		40
31	use Event; $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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		42
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
37		45
38	$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
39		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
40	our %COMMAND = ();	50	our %COMMAND = ();
41	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
42		52
43	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
47		58
48	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
49	our @EVENT;	60	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		61
52	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(!)
53	our $TICK_WATCHER;	75	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	78	our $NEXT_TICK;
57	our $NOW;	79	our $NOW;
…		…
66	our $RUNTIME;	88	our $RUNTIME;
67		89
68	our %PLAYER; # all users	90	our %PLAYER; # all users
69	our %MAP; # all maps	91	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		93
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		100
80	binmode STDOUT;	101	binmode STDOUT;
81	binmode STDERR;	102	binmode STDERR;
82		103
83	# read virtual server time, if available	104	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
88	}	109	}
89		110
90	mkdir cf::localdir;	111	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		113
97	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
98		115
99	sub cf::map::normalise;	116	sub cf::map::normalise;
100		117
…		…
111	=item $cf::RUNTIME	128	=item $cf::RUNTIME
112		129
113	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
114	every server tick.	131	every server tick.
115		132
116	=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
117		136
118	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		141
121	=item $cf::NOW	142	=item $cf::NOW
122		143
123	The time of the last (current) server tick.	144	The time of the last (current) server tick.
124		145
125	=item $cf::TICK	146	=item $cf::TICK
126		147
127	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.
128		159
129	=item %cf::CFG	160	=item %cf::CFG
130		161
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	163	from wherever your confdir points to.
133		164
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		166
136	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
137	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
138	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.
139	window of cpu time available, or simply to synchronise to the server tick.
140		170
141	=back	171	=back
142		172
143	=cut	173	=cut
144		174
145	BEGIN {	175	BEGIN {
146	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	177	my $msg = join "", @_;
148	utf8::encode $msg;
149		178
150	$msg .= "\n"	179	$msg .= "\n"
151	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
152		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
153	LOG llevError, $msg;	185	LOG llevError, $msg;
154	};	186	};
155	}	187	}
156		188
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		196
164	# 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
165	# within the Safe compartment.	198	# within the Safe compartment.
166	for my $pkg (qw(	199	for my $pkg (qw(
167	cf::global cf::attachable	200	cf::global cf::attachable
…		…
175	}	208	}
176		209
177	$Event::DIED = sub {	210	$Event::DIED = sub {
178	warn "error in event callback: @_";	211	warn "error in event callback: @_";
179	};	212	};
		213
		214	#############################################################################
180		215
181	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
182		217
183	=over 4	218	=over 4
184		219
…		…
203	$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;
204	$d	239	$d
205	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
206	}	241	}
207		242
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
211		244
212	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
213		246
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
222		248
223	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
224		250
225	=cut	251	=cut
226		252
227	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
229	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
231		257
232	=item cf::lock_wait $string	258	=item cf::lock_wait $string
233		259
234	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
235		261
…		…
241	returned.	267	returned.
242		268
243	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
244	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
245		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
246	=cut	276	=cut
247		277
248	our %LOCK;	278	our %LOCK;
249		279
250	sub lock_wait($) {	280	sub lock_wait($) {
…		…
267		297
268	Coro::guard {	298	Coro::guard {
269	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
271	}	301	}
		302	}
		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
272	}	308	}
273		309
274	sub freeze_mainloop {	310	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
276		312
…		…
291		327
292	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
293		329
294	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
295		331
296	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
299		336
300	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
303	fast or be very important.	340	fast or be very important.
…		…
306		343
307	sub sync_job(&) {	344	sub sync_job(&) {
308	my ($job) = @_;	345	my ($job) = @_;
309		346
310	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
311	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
313		352
314	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
326		365
327	while ($busy) {	366	while ($busy) {
328	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
329	}	368	}
330		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
331	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
332	} else {	378	} else {
333	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
334		380
335	$job->()	381	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
355		401
356	$coro	402	$coro
357	}	403	}
358		404
359	sub write_runtime {	405	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		406
362	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.
363		411
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	412	=cut
365	or return;
366		413
367	my $value = $cf::RUNTIME + 90 + 10;	414	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	415	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		416
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
372	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
373		421
374	# always fsync - this file is important	422	if (my $pid = fork) {
375	aio_fsync $fh
376	and return;
377
378	close $fh	423	close $fh2;
379	or return;
380		424
381	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
382	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
383		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
384	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		493	my $key = "$_[0]/$_[1]";
		494
		495	cf::sync_job {
		496	BDB::db_get $DB, undef, $key, my $data;
		497
		498	$! ? ()
		499	: $data
		500	}
		501	}
		502
		503	sub db_put($$$) {
		504	BDB::dbreq_pri 4;
		505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		506	}
		507
		508	=item cf::cache $id => [$paths...], $processversion => $process
		509
		510	Generic caching function that returns the value of the resource $id,
		511	caching and regenerating as required.
		512
		513	This function can block.
		514
		515	=cut
		516
		517	sub cache {
		518	my ($id, $src, $processversion, $process) = @_;
		519
		520	my $meta =
		521	join "\x00",
		522	$processversion,
		523	map {
		524	aio_stat $_
		525	and Carp::croak "$_: $!";
		526
		527	($_, (stat _)[7,9])
		528	} @$src;
		529
		530	my $dbmeta = db_get cache => "$id/meta";
		531	if ($dbmeta ne $meta) {
		532	# changed, we may need to process
		533
		534	my @data;
		535	my $md5;
		536
		537	for (0 .. $#$src) {
		538	0 <= aio_load $src->[$_], $data[$_]
		539	or Carp::croak "$src->[$_]: $!";
		540	}
		541
		542	# if processing is expensive, check
		543	# checksum first
		544	if (1) {
		545	$md5 =
		546	join "\x00",
		547	$processversion,
		548	map {
		549	Coro::cede;
		550	($src->[$_], Digest::MD5::md5_hex $data[$_])
		551	} 0.. $#$src;
		552
		553
		554	my $dbmd5 = db_get cache => "$id/md5";
		555	if ($dbmd5 eq $md5) {
		556	db_put cache => "$id/meta", $meta;
		557
		558	return db_get cache => "$id/data";
		559	}
		560	}
		561
		562	my $t1 = Time::HiRes::time;
		563	my $data = $process->(\@data);
		564	my $t2 = Time::HiRes::time;
		565
		566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		567
		568	db_put cache => "$id/data", $data;
		569	db_put cache => "$id/md5" , $md5;
		570	db_put cache => "$id/meta", $meta;
		571
		572	return $data;
		573	}
		574
		575	db_get cache => "$id/data"
		576	}
		577
		578	=item cf::datalog type => key => value, ...
		579
		580	Log a datalog packet of the given type with the given key-value pairs.
		581
		582	=cut
		583
		584	sub datalog($@) {
		585	my ($type, %kv) = @_;
		586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	587	}
386		588
387	=back	589	=back
388		590
389	=cut	591	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	598	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
398		600
399	In the following description, CLASS can be any of C<global>, C<object>	601	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	602	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	603	Crossfire TRT).
402		604
403	=over 4	605	=over 4
404		606
405	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
406		608
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
570		772
571	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		777
576	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	779	my $pkg = shift @arg;
578		780
579	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
609	}	811	}
610		812
611	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
612	} else {	814	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	816	}
615		817
616	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
617	}	819	}
618		820
…		…
620	if (ref $_[0]) {	822	if (ref $_[0]) {
621	_object_attach @_;	823	_object_attach @_;
622	} else {	824	} else {
623	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
624	}	826	}
		827	_recalc_want;
625	};	828	};
626		829
627	# all those should be optimised	830	# all those should be optimised
628	sub cf::attachable::detach {	831	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
633	reattach ($obj);	836	reattach ($obj);
634	} else {	837	} else {
635	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
636	}	839	}
		840	_recalc_want;
637	};	841	};
638		842
639	sub cf::attachable::attached {	843	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
641		845
…		…
814	or return;	1018	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1020	}
817		1021
818	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1024	return ($data, $av);
821	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
822		1032
823	#############################################################################	1033	#############################################################################
824	# command handling &c	1034	# command handling &c
825		1035
826	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1050	}
841		1051
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1053
844	Register a callbackf ro execution when the client sends an extcmd packet.	1054	Register a callback for execution when the client sends an (synchronous)
		1055	extcmd packet. Ext commands will be processed in the order they are
		1056	received by the server, like other user commands. The first argument is
		1057	the logged-in player. Ext commands can only be processed after a player
		1058	has logged in successfully.
845		1059
846	If the callback returns something, it is sent back as if reply was being	1060	If the callback returns something, it is sent back as if reply was being
847	called.	1061	called.
848		1062
		1063	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1064
		1065	Register a callback for execution when the client sends an (asynchronous)
		1066	exticmd packet. Exti commands are processed by the server as soon as they
		1067	are received, i.e. out of order w.r.t. other commands. The first argument
		1068	is a client socket. Exti commands can be received anytime, even before
		1069	log-in.
		1070
		1071	If the callback returns something, it is sent back as if reply was being
		1072	called.
		1073
849	=cut	1074	=cut
850		1075
851	sub register_extcmd {	1076	sub register_extcmd {
852	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
853		1078
854	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
855	}	1086	}
856		1087
857	cf::player->attach (	1088	cf::player->attach (
858	on_command => sub {	1089	on_command => sub {
859	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1099	cf::override;
869	},	1100	},
870	on_extcmd => sub {	1101	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
872		1103
873	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1105
875	if (ref $msg) {	1106	if (ref $msg) {
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
877	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
878	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
884		1115
885	cf::override;	1116	cf::override;
886	},	1117	},
887	);	1118	);
888		1119
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
924	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1125	next unless -r $path;
926	eval {	1126
927	load_extension $ext;	1127	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1128	my $base = $1;
		1129	my $pkg = $1;
		1130	$pkg =~ s/[^[:word:]]/_/g;
		1131	$pkg = "ext::$pkg";
		1132
		1133	open my $fh, "<:utf8", $path
		1134	or die "$path: $!";
		1135
		1136	my $source = do { local $/; <$fh> };
		1137
		1138	my %ext = (
		1139	path => $path,
		1140	base => $base,
		1141	pkg => $pkg,
		1142	);
		1143
		1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1146
		1147	$ext{source} =
		1148	"package $pkg; use strict; use utf8;\n"
		1149	. "#line 1 \"$path\"\n{\n"
		1150	. $source
		1151	. "\n};\n1";
		1152
		1153	$todo{$base} = \%ext;
		1154	}
		1155
		1156	my %done;
		1157	while (%todo) {
		1158	my $progress;
		1159
		1160	while (my ($k, $v) = each %todo) {
		1161	for (split /,\s*/, $v->{meta}{depends}) {
		1162	goto skip
		1163	unless exists $done{$_};
		1164	}
		1165
		1166	warn "... loading '$k' into '$v->{pkg}'\n";
		1167
		1168	unless (eval $v->{source}) {
		1169	my $msg = $@ ? "$v->{path}: $@\n"
		1170	: "$v->{base}: extension inactive.\n";
		1171
		1172	if (exists $v->{meta}{mandatory}) {
		1173	warn $msg;
		1174	warn "mandatory extension failed to load, exiting.\n";
		1175	exit 1;
		1176	}
		1177
		1178	warn $msg;
		1179	}
		1180
		1181	$done{$k} = delete $todo{$k};
		1182	push @EXTS, $v->{pkg};
		1183	$progress = 1;
928	1	1184	}
929	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
930	}	1190	};
931	}	1191	}
932		1192
933	#############################################################################	1193	#############################################################################
934		1194
		1195	=back
		1196
935	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
936		1198
937	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
938		1200
939	=cut	1201	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
952		1214
953	=cut	1215	=cut
954		1216
955	sub playerdir($) {	1217	sub playerdir($) {
956	cf::localdir	1218	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1220	}
962		1221
963	sub path($) {	1222	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1224
966	(playerdir $login) . "/$login.pl"	1225	(playerdir $login) . "/playerdata"
967	}	1226	}
968		1227
969	sub find_active($) {	1228	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1229	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1230	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1243	my $login = $_[0];
985		1244
986	my $guard = cf::lock_acquire "user_find:$login";	1245	my $guard = cf::lock_acquire "user_find:$login";
987		1246
988	$cf::PLAYER{$_[0]} || do {	1247	$cf::PLAYER{$_[0]} || do {
		1248	# rename old playerfiles to new ones
		1249	#TODO: remove when no longer required
		1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1253	aio_unlink +(playerdir $login) . "/$login.pl";
		1254
989	my $pl = load_pl path $login	1255	my $pl = load_pl path $login
990	or return;	1256	or return;
991	$cf::PLAYER{$login} = $pl	1257	$cf::PLAYER{$login} = $pl
992	}	1258	}
993	}	1259	}
…		…
1077	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1078		1344
1079	=cut	1345	=cut
1080		1346
1081	sub list_logins {	1347	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1349	or return [];
1084		1350
1085	my @logins;	1351	my @logins;
1086		1352
1087	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1122	}	1388	}
1123		1389
1124	\@paths	1390	\@paths
1125	}	1391	}
1126		1392
		1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1394
		1395	Expand crossfire pod fragments into protocol xml.
		1396
		1397	=cut
		1398
		1399	sub expand_cfpod {
		1400	((my $self), (local $_)) = @_;
		1401
		1402	# escape & and <
		1403	s/&/&amp;/g;
		1404	s/(?<![BIUGH])</&lt;/g;
		1405
		1406	# this is buggy, it needs to properly take care of nested <'s
		1407
		1408	1 while
		1409	# replace B<>, I<>, U<> etc.
		1410	s/B<([^\>]*)>/<b>$1<\/b>/
		1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1413	# replace G<male|female> tags
		1414	|| s{G<([^>|]*)\|([^>]*)>}{
		1415	$self->gender ? $2 : $1
		1416	}ge
		1417	# replace H<hint text>
		1418	|| s{H<([^\>]*)>}
		1419	{
		1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1422	"")
		1423	[$self->{hintmode}]
		1424	}ge;
		1425
		1426	# create single paragraphs (very hackish)
		1427	s/(?<=\S)\n(?=\w)/ /g;
		1428
		1429	# compress some whitespace
		1430	s/\s+\n/\n/g; # ws line-ends
		1431	s/\n\n+/\n/g; # double lines
		1432	s/^\n+//; # beginning lines
		1433	s/\n+$//; # ending lines
		1434
		1435	$_
		1436	}
		1437
		1438	sub hintmode {
		1439	$_[0]{hintmode} = $_[1] if @_ > 1;
		1440	$_[0]{hintmode}
		1441	}
		1442
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1128		1444
1129	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1130		1446
1131	=cut	1447	=cut
1132		1448
1133	sub ext_reply($$$%) {	1449	sub ext_reply($$%) {
1134	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1135		1451
1136	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1137		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1454	}
1140		1455
1141	package cf;	1456	=item $player->ext_event ($type, %msg)
		1457
		1458	Sends an ext event to the client.
		1459
		1460	=cut
		1461
		1462	sub ext_event($$%) {
		1463	my ($self, $type, %msg) = @_;
		1464
		1465	$self->ns->ext_event ($type, %msg);
		1466	}
		1467
		1468	=head3 cf::region
		1469
		1470	=over 4
		1471
		1472	=cut
		1473
		1474	package cf::region;
		1475
		1476	=item cf::region::find_by_path $path
		1477
		1478	Tries to decuce the likely region for a map knowing only its path.
		1479
		1480	=cut
		1481
		1482	sub find_by_path($) {
		1483	my ($path) = @_;
		1484
		1485	my ($match, $specificity);
		1486
		1487	for my $region (list) {
		1488	if ($region->match && $path =~ $region->match) {
		1489	($match, $specificity) = ($region, $region->specificity)
		1490	if $region->specificity > $specificity;
		1491	}
		1492	}
		1493
		1494	$match
		1495	}
1142		1496
1143	=back	1497	=back
1144
1145		1498
1146	=head3 cf::map	1499	=head3 cf::map
1147		1500
1148	=over 4	1501	=over 4
1149		1502
…		…
1204	my ($self, $merge) = @_;	1557	my ($self, $merge) = @_;
1205		1558
1206	# we have to keep some variables in memory intact	1559	# we have to keep some variables in memory intact
1207	local $self->{path};	1560	local $self->{path};
1208	local $self->{load_path};	1561	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1562
1212	$self->SUPER::thawer_merge ($merge);	1563	$self->SUPER::thawer_merge ($merge);
1213	}	1564	}
1214		1565
1215	sub normalise {	1566	sub normalise {
…		…
1287		1638
1288	# the original (read-only) location	1639	# the original (read-only) location
1289	sub load_path {	1640	sub load_path {
1290	my ($self) = @_;	1641	my ($self) = @_;
1291		1642
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1643	"$MAPDIR/$self->{path}.map"
1293	}	1644	}
1294		1645
1295	# the temporary/swap location	1646	# the temporary/swap location
1296	sub save_path {	1647	sub save_path {
1297	my ($self) = @_;	1648	my ($self) = @_;
1298		1649
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1651	"$TMPDIR/$path.map"
1301	}	1652	}
1302		1653
1303	# the unique path, undef == no special unique path	1654	# the unique path, undef == no special unique path
1304	sub uniq_path {	1655	sub uniq_path {
1305	my ($self) = @_;	1656	my ($self) = @_;
1306		1657
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1659	"$UNIQUEDIR/$path"
1309	}	1660	}
1310		1661
1311	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1312	# all maps in C++...	1663	# all maps in C++...
1313	sub change_all_map_light {	1664	sub change_all_map_light {
1314	my ($change) = @_;	1665	my ($change) = @_;
1315		1666
1316	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
		1669	}
		1670
		1671	sub decay_objects {
		1672	my ($self) = @_;
		1673
		1674	return if $self->{deny_reset};
		1675
		1676	$self->do_decay_objects;
1318	}	1677	}
1319		1678
1320	sub unlink_save {	1679	sub unlink_save {
1321	my ($self) = @_;	1680	my ($self) = @_;
1322		1681
…		…
1380	$self->load_header_orig	1739	$self->load_header_orig
1381	or return;	1740	or return;
1382	$self->prepare_orig;	1741	$self->prepare_orig;
1383	}	1742	}
1384		1743
		1744	$self->{deny_reset} = 1
		1745	if $self->no_reset;
		1746
		1747	$self->default_region (cf::region::find_by_path $self->{path})
		1748	unless $self->default_region;
		1749
1385	1	1750	1
1386	}	1751	}
1387		1752
1388	sub find;	1753	sub find;
1389	sub find {	1754	sub find {
…		…
1401	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1402		1767
1403	$map->load_header	1768	$map->load_header
1404	or return;	1769	or return;
1405		1770
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1772	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1773	#$cf::WAIT_FOR_TICK->wait;
1409	$map->reset;	1774	$map->reset;
1410	undef $guard;	1775	undef $guard;
1411	return find $path;	1776	return find $path;
…		…
1422	my ($self) = @_;	1787	my ($self) = @_;
1423		1788
1424	local $self->{deny_reset} = 1; # loading can take a long time	1789	local $self->{deny_reset} = 1; # loading can take a long time
1425		1790
1426	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1794	my $guard = cf::lock_acquire "map_load:$path";
1428		1795
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1430		1797
1431	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1432		1799
1433	$self->alloc;	1800	$self->alloc;
1434		1801
1435	$self->pre_load;	1802	$self->pre_load;
1436
1437	$self->_load_objects ($self->{load_path}, 1)
1438	or return;
1439
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};
1442
1443	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {
1446	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);
1448	}
1449	}
1450
1451	Coro::cede;
1452
1453	# now do the right thing for maps
1454	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;	1803	Coro::cede;
1461	$self->set_darkness_map;	1804
		1805	$self->_load_objects ($self->{load_path}, 1)
		1806	or return;
		1807
		1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1809	if delete $self->{load_original};
		1810
		1811	if (my $uniq = $self->uniq_path) {
		1812	utf8::encode $uniq;
		1813	if (aio_open $uniq, O_RDONLY, 0) {
		1814	$self->clear_unique_items;
		1815	$self->_load_objects ($uniq, 0);
		1816	}
		1817	}
		1818
		1819	Coro::cede;
		1820	# now do the right thing for maps
		1821	$self->link_multipart_objects;
1462	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1823	unless $self->difficulty;
1464	Coro::cede;	1824	Coro::cede;
		1825
		1826	unless ($self->{deny_activate}) {
		1827	$self->decay_objects;
		1828	$self->fix_auto_apply;
		1829	$self->update_buttons;
		1830	Coro::cede;
		1831	$self->set_darkness_map;
		1832	Coro::cede;
1465	$self->activate;	1833	$self->activate;
		1834	}
		1835
		1836	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1837	}
1467		1838
1468	$self->post_load;	1839	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1840	}
1472		1841
1473	sub customise_for {	1842	sub customise_for {
1474	my ($self, $ob) = @_;	1843	my ($self, $ob) = @_;
1475		1844
1476	return find "~" . $ob->name . "/" . $self->{path}	1845	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1846	if $self->per_player;
		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
1478		1850
1479	$self	1851	$self
1480	}	1852	}
1481		1853
1482	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
…		…
1593		1965
1594	sub reset_at {	1966	sub reset_at {
1595	my ($self) = @_;	1967	my ($self) = @_;
1596		1968
1597	# TODO: safety, remove and allow resettable per-player maps	1969	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	1970	return 1e99 if $self->{deny_reset};
1600		1971
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		1974
…		…
1614	my ($self) = @_;	1985	my ($self) = @_;
1615		1986
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		1988
1618	return if $self->players;	1989	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		1990
1621	warn "resetting map ", $self->path;#d#	1991	warn "resetting map ", $self->path;
1622		1992
1623	$self->in_memory (cf::MAP_SWAPPED);	1993	$self->in_memory (cf::MAP_SWAPPED);
1624		1994
1625	# need to save uniques path	1995	# need to save uniques path
1626	unless ($self->{deny_save}) {	1996	unless ($self->{deny_save}) {
…		…
1658	$cf::MAP{$self->path} = $self;	2028	$cf::MAP{$self->path} = $self;
1659		2029
1660	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1661	}	2031	}
1662		2032
		2033	=item $maps = cf::map::tmp_maps
		2034
		2035	Returns an arrayref with all map paths of currently instantiated and saved
		2036	maps. May block.
		2037
		2038	=cut
		2039
		2040	sub tmp_maps() {
		2041	[
		2042	map {
		2043	utf8::decode $_;
		2044	/\.map$/
		2045	? normalise $_
		2046	: ()
		2047	} @{ aio_readdir $TMPDIR or [] }
		2048	]
		2049	}
		2050
		2051	=item $maps = cf::map::random_maps
		2052
		2053	Returns an arrayref with all map paths of currently instantiated and saved
		2054	random maps. May block.
		2055
		2056	=cut
		2057
		2058	sub random_maps() {
		2059	[
		2060	map {
		2061	utf8::decode $_;
		2062	/\.map$/
		2063	? normalise "?random/$_"
		2064	: ()
		2065	} @{ aio_readdir $RANDOMDIR or [] }
		2066	]
		2067	}
		2068
1663	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1664		2070
1665	Returns an arrayref of paths of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2072	instantiated unique items. May block.
1667		2073
1668	=cut	2074	=cut
1669		2075
1670	sub unique_maps() {	2076	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1672	or return;	2078	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2079	utf8::decode $_;
1678	next if /\.pst$/;	2080	/\.map$/
1679	next unless /^$PATH_SEP/o;	2081	? normalise $_
1680		2082	: ()
1681	push @paths, cf::map::normalise $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2084	]
1683
1684	\@paths
1685	}	2085	}
1686		2086
1687	package cf;	2087	package cf;
1688		2088
1689	=back	2089	=back
…		…
1735		2135
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2137
1738	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1740	} else {	2141	} else {
		2142	my $pl = $self->contr;
		2143
		2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2145	my $diag = $pl->{npc_dialog};
		2146	$diag->{pl}->ext_reply (
		2147	$diag->{id},
		2148	msgtype => "reply",
		2149	msg => $diag->{pl}->expand_cfpod ($msg),
		2150	add_topics => []
		2151	);
		2152
		2153	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1743	}	2157	}
1744	}	2158	}
1745		2159
1746	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1747		2161
…		…
1795	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1796		2210
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2212
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1801		2215
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2217	}
1804		2218
1805	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1807		2223
1808	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1809		2225
1810	unless ($map) {	2226	unless ($map) {
1811	# restore original map position	2227	# restore original map position
…		…
1834		2250
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1837	}	2253	}
1838		2254
1839	cf::player->attach (
1840	on_logout => sub {
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1872		2256
		2257	Moves the player to the given map-path and coordinates by first freezing
		2258	her, loading and preparing them map, calling the provided $check callback
		2259	that has to return the map if sucecssful, and then unfreezes the player on
		2260	the new (success) or old (failed) map position.
		2261
1873	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1874		2265
1875	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2267	my ($self, $path, $x, $y, $check) = @_;
		2268
		2269	# do generation counting so two concurrent goto's will be executed in-order
		2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2271
1878	$self->enter_link;	2272	$self->enter_link;
1879		2273
1880	(async {	2274	(async {
1881	my $map = eval {	2275	my $map = eval {
1882	my $map = cf::map::find $path;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2279	$map = $map->customise_for ($self);
		2280	$map = $check->($map) if $check && $map;
		2281	} else {
		2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2283	}
		2284
1884	$map	2285	$map
		2286	};
		2287
		2288	if ($@) {
		2289	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2291	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1889	})->prio (1);	2297	})->prio (1);
1890	}	2298	}
1891		2299
1892	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1893		2301
…		…
1932		2340
1933	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1934		2342
1935	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2345	my $meta = "$RANDOMDIR/$md5.meta";
1938		2346
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2348	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2349	undef $fh;
1942	aio_rename "$meta~", $meta;	2350	aio_rename "$meta~", $meta;
…		…
1951		2359
1952	return unless $self->type == cf::PLAYER;	2360	return unless $self->type == cf::PLAYER;
1953		2361
1954	if ($exit->slaying eq "/!") {	2362	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2364	# the problem is that $exit might not survive long enough
		2365	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2366	cf::sync_job { prepare_random_map $exit };
1957	}	2367	}
1958		2368
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2370	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2371	my $sp = $exit->stats->sp;
1962		2372
1963	$self->enter_link;	2373	$self->enter_link;
		2374
		2375	# if exit is damned, update players death & WoR home-position
		2376	$self->contr->savebed ($slaying, $hp, $sp)
		2377	if $exit->flag (FLAG_DAMNED);
1964		2378
1965	(async {	2379	(async {
1966	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2381	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2382	$self->goto ($slaying, $hp, $sp);
1969		2383
1970	1;	2384	1;
1971	}) {	2385	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2386	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2387	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2388	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2389	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2390
1977	warn "ERROR in enter_exit: $@";	2391	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2392	$self->leave_link;
1979	}	2393	}
1980	})->prio (1);	2394	})->prio (1);
…		…
1993		2407
1994	sub cf::client::send_drawinfo {	2408	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2409	my ($self, $text, $flags) = @_;
1996		2410
1997	utf8::encode $text;	2411	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2413	}
2000		2414
		2415	=item $client->send_msg ($color, $type, $msg, [extra...])
		2416
		2417	Send a drawinfo or msg packet to the client, formatting the msg for the
		2418	client if neccessary. C<$type> should be a string identifying the type of
		2419	the message, with C<log> being the default. If C<$color> is negative, suppress
		2420	the message unless the client supports the msg packet.
		2421
		2422	=cut
		2423
		2424	sub cf::client::send_msg {
		2425	my ($self, $color, $type, $msg, @extra) = @_;
		2426
		2427	$msg = $self->pl->expand_cfpod ($msg);
		2428
		2429	return unless @extra || length $msg;
		2430
		2431	if ($self->can_msg) {
		2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2433	} else {
		2434	# replace some tags by gcfclient-compatible ones
		2435	for ($msg) {
		2436	1 while
		2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2442	}
		2443
		2444	if ($color >= 0) {
		2445	if (0 && $msg =~ /\[/) {
		2446	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2447	} else {
		2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2449	$self->send_packet ("drawinfo $color $msg")
		2450	}
		2451	}
		2452	}
		2453	}
		2454
		2455	=item $client->ext_event ($type, %msg)
		2456
		2457	Sends an ext event to the client.
		2458
		2459	=cut
		2460
		2461	sub cf::client::ext_event($$%) {
		2462	my ($self, $type, %msg) = @_;
		2463
		2464	$msg{msgtype} = "event_$type";
		2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2466	}
2001		2467
2002	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
2003		2469
2004	Queues a query to the client, calling the given callback with	2470	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2471	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2472	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2473
2008	Queries can fail, so check the return code. Or don't, as queries will become	2474	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2475	become reliable at some point in the future.
2010		2476
2011	=cut	2477	=cut
2012		2478
2013	sub cf::client::query {	2479	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2488	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2490
2025	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
2027	}	2495	}
2028		2496
2029	cf::client->attach (	2497	cf::client->attach (
		2498	on_connect => sub {
		2499	my ($ns) = @_;
		2500
		2501	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2502	},
2030	on_reply => sub {	2503	on_reply => sub {
2031	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
2032		2505
2033	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
2034	# get handled first	2507	# get handled first
…		…
2046	} else {	2519	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2521	}
2049	}	2522	}
2050	},	2523	},
		2524	on_exticmd => sub {
		2525	my ($ns, $buf) = @_;
		2526
		2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2528
		2529	if (ref $msg) {
		2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2531	if (my %reply = $cb->($ns, $msg)) {
		2532	$reply{msgid} = $msg->{msgid};
		2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2534	}
		2535	}
		2536	} else {
		2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2538	}
		2539
		2540	cf::override;
		2541	},
2051	);	2542	);
2052		2543
2053	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
2054		2545
2055	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2102		2593
2103	# here we export the classes and methods available to script code	2594	# here we export the classes and methods available to script code
2104		2595
2105	=pod	2596	=pod
2106		2597
2107	The following fucntions and emthods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2108		2599
2109	cf::object contr pay_amount pay_player map	2600	cf::object
		2601	contr pay_amount pay_player map x y force_find force_add
		2602	insert remove
		2603
2110	cf::object::player player	2604	cf::object::player
2111	cf::player peaceful	2605	player
2112	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2113		2612
2114	=cut	2613	=cut
2115		2614
2116	for (	2615	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2617	insert remove)],
2118	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2121	) {	2621	) {
2122	no strict 'refs';	2622	no strict 'refs';
…		…
2193	=back	2693	=back
2194		2694
2195	=cut	2695	=cut
2196		2696
2197	#############################################################################	2697	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2698	# the server's init and main functions
2271		2699
2272	sub load_faces {	2700	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2701	my ($path) = @_;
2274		2702
2275	warn "loading faces from $path\n";	2703	warn "loading facedata from $path\n";
2276		2704
2277	my $faces;	2705	my $facedata;
2278	0 < aio_load $path, $faces	2706	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2707	or die "$path: $!";
2280		2708
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2709	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2710
		2711	$facedata->{version} == 2
		2712	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2713
		2714	{
		2715	my $faces = $facedata->{faceinfo};
		2716
2285	while (my ($face, $info) = each %$faces) {	2717	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2289	Coro::cede;	2722	Coro::cede;
		2723	}
		2724
		2725	while (my ($face, $info) = each %$faces) {
		2726	next unless $info->{smooth};
		2727	my $idx = cf::face::find $face
		2728	or next;
		2729	if (my $smooth = cf::face::find $info->{smooth}) {
		2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2731	} else {
		2732	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2733	}
		2734	Coro::cede;
		2735	}
		2736	}
		2737
		2738	{
		2739	my $anims = $facedata->{animinfo};
		2740
		2741	while (my ($anim, $info) = each %$anims) {
		2742	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2743	Coro::cede;
		2744	}
		2745
		2746	cf::anim::invalidate_all; # d'oh
2290	}	2747	}
2291		2748
2292	1	2749	1
2293	}	2750	}
2294		2751
		2752	sub reload_regions {
		2753	load_resource_file "$MAPDIR/regions"
		2754	or die "unable to load regions file\n";
		2755	}
		2756
		2757	sub reload_facedata {
		2758	load_facedata "$DATADIR/facedata"
		2759	or die "unable to load facedata\n";
		2760	}
		2761
		2762	sub reload_archetypes {
		2763	load_resource_file "$DATADIR/archetypes"
		2764	or die "unable to load archetypes\n";
		2765	#d# NEED to laod twice to resolve forward references
		2766	# this really needs to be done in an extra post-pass
		2767	# (which needs to be synchronous, so solve it differently)
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	}
		2771
		2772	sub reload_treasures {
		2773	load_resource_file "$DATADIR/treasures"
		2774	or die "unable to load treasurelists\n";
		2775	}
		2776
2295	sub reload_resources {	2777	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2778	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	2779
		2780	reload_regions;
2298	load_faces	2781	reload_facedata;
2299	or die "unable to load faces\n";#d#	2782	#reload_archetypes;#d#
		2783	reload_archetypes;
		2784	reload_treasures;
		2785
		2786	warn "finished reloading resource files\n";
2300	}	2787	}
2301		2788
2302	sub init {	2789	sub init {
2303	reload_resources;	2790	reload_resources;
2304	}	2791	}
2305		2792
2306	sub cfg_load {	2793	sub cfg_load {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	2795	or return;
2309		2796
2310	local $/;	2797	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2312		2799
…		…
2357	},	2844	},
2358	);	2845	);
2359	}	2846	}
2360	}	2847	}
2361		2848
		2849	sub write_runtime {
		2850	my $runtime = "$LOCALDIR/runtime";
		2851
		2852	# first touch the runtime file to show we are still running:
		2853	# the fsync below can take a very very long time.
		2854
		2855	IO::AIO::aio_utime $runtime, undef, undef;
		2856
		2857	my $guard = cf::lock_acquire "write_runtime";
		2858
		2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2860	or return;
		2861
		2862	my $value = $cf::RUNTIME + 90 + 10;
		2863	# 10 is the runtime save interval, for a monotonic clock
		2864	# 60 allows for the watchdog to kill the server.
		2865
		2866	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2867	and return;
		2868
		2869	# always fsync - this file is important
		2870	aio_fsync $fh
		2871	and return;
		2872
		2873	# touch it again to show we are up-to-date
		2874	aio_utime $fh, undef, undef;
		2875
		2876	close $fh
		2877	or return;
		2878
		2879	aio_rename "$runtime~", $runtime
		2880	and return;
		2881
		2882	warn "runtime file written.\n";
		2883
		2884	1
		2885	}
		2886
2362	sub emergency_save() {	2887	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2364		2889
2365	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2366		2891
…		…
2397		2922
2398	warn Carp::longmess "post_cleanup backtrace"	2923	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	2924	if $make_core;
2400	}	2925	}
2401		2926
2402	sub reload() {	2927	sub do_reload_perl() {
2403	# can/must only be called in main	2928	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	2930	warn "can only reload from main coroutine";
2406	return;	2931	return;
2407	}	2932	}
…		…
2441	%EXT_CORO = ();	2966	%EXT_CORO = ();
2442		2967
2443	warn "removing commands";	2968	warn "removing commands";
2444	%COMMAND = ();	2969	%COMMAND = ();
2445		2970
2446	warn "removing ext commands";	2971	warn "removing ext/exti commands";
2447	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2448		2974
2449	warn "unloading/nuking all extensions";	2975	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2452		2978
…		…
2482	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3010
2485	warn "unloading cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2487		3014
2488	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3016	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2491		3018
…		…
2506	warn "reattaching attachments to maps";	3033	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3035	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3036	reattach $_ for values %PLAYER;
2510		3037
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3038	warn "leaving sync_job";
2515		3039
2516	1	3040	1
2517	} or do {	3041	} or do {
2518	warn $@;	3042	warn $@;
…		…
2523	warn "reloaded";	3047	warn "reloaded";
2524	};	3048	};
2525		3049
2526	our $RELOAD_WATCHER; # used only during reload	3050	our $RELOAD_WATCHER; # used only during reload
2527		3051
		3052	sub reload_perl() {
		3053	# doing reload synchronously and two reloads happen back-to-back,
		3054	# coro crashes during coro_state_free->destroy here.
		3055
		3056	$RELOAD_WATCHER ||= Event->timer (
		3057	reentrant => 0,
		3058	after => 0,
		3059	data => WF_AUTOCANCEL,
		3060	cb => sub {
		3061	do_reload_perl;
		3062	undef $RELOAD_WATCHER;
		3063	},
		3064	);
		3065	}
		3066
2528	register_command "reload" => sub {	3067	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2530		3069
2531	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3071	$who->message ("reloading server.");
2533		3072	async { reload_perl };
2534	# doing reload synchronously and two reloads happen back-to-back,
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);
2546	}	3073	}
2547	};	3074	};
2548		3075
2549	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2550		3077
2551	my $bug_warning = 0;	3078	my $bug_warning = 0;
2552		3079
		3080	our @WAIT_FOR_TICK;
		3081	our @WAIT_FOR_TICK_BEGIN;
		3082
		3083	sub wait_for_tick {
		3084	return unless $TICK_WATCHER->is_active;
		3085	return if $Coro::current == $Coro::main;
		3086
		3087	my $signal = new Coro::Signal;
		3088	push @WAIT_FOR_TICK, $signal;
		3089	$signal->wait;
		3090	}
		3091
		3092	sub wait_for_tick_begin {
		3093	return unless $TICK_WATCHER->is_active;
		3094	return if $Coro::current == $Coro::main;
		3095
		3096	my $signal = new Coro::Signal;
		3097	push @WAIT_FOR_TICK_BEGIN, $signal;
		3098	$signal->wait;
		3099	}
		3100
		3101	my $min = 1e6;#d#
		3102	my $avg = 10;
2553	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3104	reentrant => 0,
2555	parked => 1,	3105	parked => 1,
2556	prio => 0,	3106	prio => 0,
2557	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3112	unless ++$bug_warning > 10;
2563	return;	3113	return;
2564	}	3114	}
2565		3115
2566	$NOW = Event::time;	3116	$NOW = $tick_start = Event::time;
2567		3117
2568	cf::server_tick; # one server iteration	3118	cf::server_tick; # one server iteration
		3119
		3120	0 && sync_job {#d#
		3121	for(1..10) {
		3122	my $t = Event::time;
		3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3124	or die;
		3125
		3126	$map->width (50);
		3127	$map->height (50);
		3128	$map->alloc;
		3129	$map->_load_objects ("/tmp/x.map", 1);
		3130	my $t = Event::time - $t;
		3131
		3132	#next unless $t < 0.0013;#d#
		3133	if ($t < $min) {
		3134	$min = $t;
		3135	}
		3136	$avg = $avg * 0.99 + $t * 0.01;
		3137	}
		3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3139	exit 0;
		3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3141	};
		3142
2569	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2571		3145
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3149	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3150	or warn "ERROR: unable to write runtime file: $!";
2577	};	3151	};
2578	}	3152	}
2579		3153
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3154	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3155	# warn $AFTER - $NOW;#d#
2585		3156
		3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3158	$sig->send;
		3159	}
		3160	while (my $sig = shift @WAIT_FOR_TICK) {
		3161	$sig->send;
		3162	}
		3163
		3164	$NOW = Event::time;
		3165
2586	# if we are delayed by four ticks or more, skip them all	3166	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3168
2589	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3170	$TICK_WATCHER->start;
		3171
		3172	$LOAD = ($NOW - $tick_start) / $TICK;
		3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3174
		3175	_post_tick;
		3176
		3177
2591	},	3178	},
2592	);	3179	);
2593		3180
2594	{	3181	{
2595	BDB::max_poll_time $TICK * 0.1;	3182	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3210
2624	cf::sync_job {	3211	cf::sync_job {
2625	eval {	3212	eval {
2626	BDB::db_env_open	3213	BDB::db_env_open
2627	$DB_ENV,	3214	$DB_ENV,
2628	$BDB_ENV_DIR,	3215	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3218	0666;
2632		3219
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3221
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	3223	$DB_ENV->set_lk_detect;
2637	};	3224	};
2638		3225
…		…
2654	prio => 6,	3241	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3242	cb => \&IO::AIO::poll_cb,
2656	);	3243	);
2657	}	3244	}
2658		3245
		3246	my $_log_backtrace;
		3247
		3248	sub _log_backtrace {
		3249	my ($msg, @addr) = @_;
		3250
		3251	$msg =~ s/\n//;
		3252
		3253	# limit the # of concurrent backtraces
		3254	if ($_log_backtrace < 2) {
		3255	++$_log_backtrace;
		3256	async {
		3257	my @bt = fork_call {
		3258	@addr = map { sprintf "%x", $_ } @addr;
		3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3261	or die "addr2line: $!";
		3262
		3263	my @funcs;
		3264	my @res = <$fh>;
		3265	chomp for @res;
		3266	while (@res) {
		3267	my ($func, $line) = splice @res, 0, 2, ();
		3268	push @funcs, "[$func] $line";
		3269	}
		3270
		3271	@funcs
		3272	};
		3273
		3274	LOG llevInfo, "[ABT] $msg\n";
		3275	LOG llevInfo, "[ABT] $_\n" for @bt;
		3276	--$_log_backtrace;
		3277	};
		3278	} else {
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] [suppressed]\n";
		3281	}
		3282	}
		3283
		3284	# load additional modules
		3285	use cf::pod;
		3286
2659	END { cf::emergency_save }	3287	END { cf::emergency_save }
2660		3288
2661	1	3289	1
2662		3290

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