ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 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;
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 = $cf::RUNTIME + 90 + 10;	414	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	415	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		416
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
374	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
375		421
376	# always fsync - this file is important	422	if (my $pid = fork) {
377	aio_fsync $fh
378	and return;
379
380	close $fh	423	close $fh2;
381	or return;
382		424
383	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
384	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
385		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
386	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		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 });
387	}	587	}
388		588
389	=back	589	=back
390		590
391	=cut	591	=cut
…		…
398	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")
399	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
400		600
401	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>
402	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
403	crossfire+).	603	Crossfire TRT).
404		604
405	=over 4	605	=over 4
406		606
407	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
408		608
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
572		772
573	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		777
578	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	779	my $pkg = shift @arg;
580		780
581	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
611	}	811	}
612		812
613	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
614	} else {	814	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	816	}
617		817
618	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
619	}	819	}
620		820
…		…
622	if (ref $_[0]) {	822	if (ref $_[0]) {
623	_object_attach @_;	823	_object_attach @_;
624	} else {	824	} else {
625	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
626	}	826	}
		827	_recalc_want;
627	};	828	};
628		829
629	# all those should be optimised	830	# all those should be optimised
630	sub cf::attachable::detach {	831	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
635	reattach ($obj);	836	reattach ($obj);
636	} else {	837	} else {
637	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
638	}	839	}
		840	_recalc_want;
639	};	841	};
640		842
641	sub cf::attachable::attached {	843	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
643		845
…		…
816	or return;	1018	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1020	}
819		1021
820	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1024	return ($data, $av);
823	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
824		1032
825	#############################################################################	1033	#############################################################################
826	# command handling &c	1034	# command handling &c
827		1035
828	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1050	}
843		1051
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1053
846	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.
847		1059
848	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
849	called.	1061	called.
850		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
851	=cut	1074	=cut
852		1075
853	sub register_extcmd {	1076	sub register_extcmd {
854	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
855		1078
856	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
857	}	1086	}
858		1087
859	cf::player->attach (	1088	cf::player->attach (
860	on_command => sub {	1089	on_command => sub {
861	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1099	cf::override;
871	},	1100	},
872	on_extcmd => sub {	1101	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
874		1103
875	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1105
877	if (ref $msg) {	1106	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1115
887	cf::override;	1116	cf::override;
888	},	1117	},
889	);	1118	);
890		1119
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 {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
926	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1125	next unless -r $path;
928	eval {	1126
929	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;
930	1	1184	}
931	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
932	}	1190	};
933	}	1191	}
934		1192
935	#############################################################################	1193	#############################################################################
936		1194
		1195	=back
		1196
937	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
938		1198
939	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
940		1200
941	=cut	1201	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
954		1214
955	=cut	1215	=cut
956		1216
957	sub playerdir($) {	1217	sub playerdir($) {
958	cf::localdir	1218	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1220	}
964		1221
965	sub path($) {	1222	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1224
968	(playerdir $login) . "/$login.pl"	1225	(playerdir $login) . "/playerdata"
969	}	1226	}
970		1227
971	sub find_active($) {	1228	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1229	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1230	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1243	my $login = $_[0];
987		1244
988	my $guard = cf::lock_acquire "user_find:$login";	1245	my $guard = cf::lock_acquire "user_find:$login";
989		1246
990	$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
991	my $pl = load_pl path $login	1255	my $pl = load_pl path $login
992	or return;	1256	or return;
993	$cf::PLAYER{$login} = $pl	1257	$cf::PLAYER{$login} = $pl
994	}	1258	}
995	}	1259	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1080		1344
1081	=cut	1345	=cut
1082		1346
1083	sub list_logins {	1347	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1349	or return [];
1086		1350
1087	my @logins;	1351	my @logins;
1088		1352
1089	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1124	}	1388	}
1125		1389
1126	\@paths	1390	\@paths
1127	}	1391	}
1128		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
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1130		1444
1131	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1132		1446
1133	=cut	1447	=cut
1134		1448
1135	sub ext_reply($$$%) {	1449	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1137		1451
1138	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1139		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1454	}
1142		1455
1143	package cf;	1456	=item $player->ext_event ($type, %msg)
		1457
		1458	Sends an ext event to the client.
		1459
		1460	=cut
		1461
		1462	sub ext_event($$%) {
		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	$match
		1495	}
1144		1496
1145	=back	1497	=back
1146
1147		1498
1148	=head3 cf::map	1499	=head3 cf::map
1149		1500
1150	=over 4	1501	=over 4
1151		1502
…		…
1206	my ($self, $merge) = @_;	1557	my ($self, $merge) = @_;
1207		1558
1208	# we have to keep some variables in memory intact	1559	# we have to keep some variables in memory intact
1209	local $self->{path};	1560	local $self->{path};
1210	local $self->{load_path};	1561	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1562
1214	$self->SUPER::thawer_merge ($merge);	1563	$self->SUPER::thawer_merge ($merge);
1215	}	1564	}
1216		1565
1217	sub normalise {	1566	sub normalise {
…		…
1289		1638
1290	# the original (read-only) location	1639	# the original (read-only) location
1291	sub load_path {	1640	sub load_path {
1292	my ($self) = @_;	1641	my ($self) = @_;
1293		1642
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1643	"$MAPDIR/$self->{path}.map"
1295	}	1644	}
1296		1645
1297	# the temporary/swap location	1646	# the temporary/swap location
1298	sub save_path {	1647	sub save_path {
1299	my ($self) = @_;	1648	my ($self) = @_;
1300		1649
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1651	"$TMPDIR/$path.map"
1303	}	1652	}
1304		1653
1305	# the unique path, undef == no special unique path	1654	# the unique path, undef == no special unique path
1306	sub uniq_path {	1655	sub uniq_path {
1307	my ($self) = @_;	1656	my ($self) = @_;
1308		1657
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1659	"$UNIQUEDIR/$path"
1311	}	1660	}
1312		1661
1313	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1314	# all maps in C++...	1663	# all maps in C++...
1315	sub change_all_map_light {	1664	sub change_all_map_light {
1316	my ($change) = @_;	1665	my ($change) = @_;
1317		1666
1318	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1319	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	$self->do_decay_objects;
1320	}	1677	}
1321		1678
1322	sub unlink_save {	1679	sub unlink_save {
1323	my ($self) = @_;	1680	my ($self) = @_;
1324		1681
…		…
1382	$self->load_header_orig	1739	$self->load_header_orig
1383	or return;	1740	or return;
1384	$self->prepare_orig;	1741	$self->prepare_orig;
1385	}	1742	}
1386		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
1387	1	1750	1
1388	}	1751	}
1389		1752
1390	sub find;	1753	sub find;
1391	sub find {	1754	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1404		1767
1405	$map->load_header	1768	$map->load_header
1406	or return;	1769	or return;
1407		1770
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1772	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1773	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1774	$map->reset;
1412	undef $guard;	1775	undef $guard;
1413	return find $path;	1776	return find $path;
…		…
1424	my ($self) = @_;	1787	my ($self) = @_;
1425		1788
1426	local $self->{deny_reset} = 1; # loading can take a long time	1789	local $self->{deny_reset} = 1; # loading can take a long time
1427		1790
1428	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1794	my $guard = cf::lock_acquire "map_load:$path";
1430		1795
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1797
1433	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1434		1799
1435	$self->alloc;	1800	$self->alloc;
1436		1801
1437	$self->pre_load;	1802	$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;	1803	Coro::cede;
1463	$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;
1464	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1823	unless $self->difficulty;
1466	Coro::cede;	1824	Coro::cede;
		1825
		1826	unless ($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;
1467	$self->activate;	1833	$self->activate;
		1834	}
		1835
		1836	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1837	}
1469		1838
1470	$self->post_load;	1839	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1840	}
1474		1841
1475	sub customise_for {	1842	sub customise_for {
1476	my ($self, $ob) = @_;	1843	my ($self, $ob) = @_;
1477		1844
1478	return find "~" . $ob->name . "/" . $self->{path}	1845	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1846	if $self->per_player;
		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
1480		1850
1481	$self	1851	$self
1482	}	1852	}
1483		1853
1484	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
…		…
1595		1965
1596	sub reset_at {	1966	sub reset_at {
1597	my ($self) = @_;	1967	my ($self) = @_;
1598		1968
1599	# TODO: safety, remove and allow resettable per-player maps	1969	# 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};	1970	return 1e99 if $self->{deny_reset};
1602		1971
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		1974
…		…
1616	my ($self) = @_;	1985	my ($self) = @_;
1617		1986
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		1988
1620	return if $self->players;	1989	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		1990
1623	warn "resetting map ", $self->path;#d#	1991	warn "resetting map ", $self->path;
1624		1992
1625	$self->in_memory (cf::MAP_SWAPPED);	1993	$self->in_memory (cf::MAP_SWAPPED);
1626		1994
1627	# need to save uniques path	1995	# need to save uniques path
1628	unless ($self->{deny_save}) {	1996	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	2028	$cf::MAP{$self->path} = $self;
1661		2029
1662	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1663	}	2031	}
1664		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
1665	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1666		2070
1667	Returns an arrayref of paths of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2072	instantiated unique items. May block.
1669		2073
1670	=cut	2074	=cut
1671		2075
1672	sub unique_maps() {	2076	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1674	or return;	2078	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2079	utf8::decode $_;
1680	next if /\.pst$/;	2080	/\.map$/
1681	next unless /^$PATH_SEP/o;	2081	? normalise $_
1682		2082	: ()
1683	push @paths, cf::map::normalise $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2084	]
1685
1686	\@paths
1687	}	2085	}
1688		2086
1689	package cf;	2087	package cf;
1690		2088
1691	=back	2089	=back
…		…
1737		2135
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2137
1740	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1745	}	2157	}
1746	}	2158	}
1747		2159
1748	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1749		2161
…		…
1797	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1798		2210
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2212
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1803		2215
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2217	}
1806		2218
1807	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1809		2223
1810	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1811		2225
1812	unless ($map) {	2226	unless ($map) {
1813	# restore original map position	2227	# restore original map position
…		…
1836		2250
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1839	}	2253	}
1840		2254
1841	cf::player->attach (
1842	on_logout => sub {
1843	my ($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)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1874		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
1875	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1876		2265
1877	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1878	my ($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;
1879		2271
1880	$self->enter_link;	2272	$self->enter_link;
1881		2273
1882	(async {	2274	(async {
1883	my $map = eval {	2275	my $map = eval {
1884	my $map = cf::map::find $path;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2291	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1891	})->prio (1);	2297	})->prio (1);
1892	}	2298	}
1893		2299
1894	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1895		2301
…		…
1934		2340
1935	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1936		2342
1937	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2345	my $meta = "$RANDOMDIR/$md5.meta";
1940		2346
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2348	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2349	undef $fh;
1944	aio_rename "$meta~", $meta;	2350	aio_rename "$meta~", $meta;
…		…
1953		2359
1954	return unless $self->type == cf::PLAYER;	2360	return unless $self->type == cf::PLAYER;
1955		2361
1956	if ($exit->slaying eq "/!") {	2362	if ($exit->slaying eq "/!") {
1957	#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
1958	cf::sync_job { prepare_random_map $exit };	2366	cf::sync_job { prepare_random_map $exit };
1959	}	2367	}
1960		2368
1961	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;
1962	my $hp = $exit->stats->hp;	2370	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2371	my $sp = $exit->stats->sp;
1964		2372
1965	$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);
1966		2378
1967	(async {	2379	(async {
1968	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2381	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2382	$self->goto ($slaying, $hp, $sp);
1971		2383
1972	1;	2384	1;
1973	}) {	2385	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2386	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2388	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2389	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2390
1979	warn "ERROR in enter_exit: $@";	2391	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2392	$self->leave_link;
1981	}	2393	}
1982	})->prio (1);	2394	})->prio (1);
…		…
1998		2410
1999	utf8::encode $text;	2411	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2413	}
2002		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	}
2003		2467
2004	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
2005		2469
2006	Queues a query to the client, calling the given callback with	2470	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>,	2471	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>.	2472	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2473
2010	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
2011	reliable at some point in the future.	2475	become reliable at some point in the future.
2012		2476
2013	=cut	2477	=cut
2014		2478
2015	sub cf::client::query {	2479	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2488	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2490
2027	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
2029	}	2495	}
2030		2496
2031	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	},
2032	on_reply => sub {	2503	on_reply => sub {
2033	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
2034		2505
2035	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
2036	# get handled first	2507	# get handled first
…		…
2048	} else {	2519	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2521	}
2051	}	2522	}
2052	},	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	},
2053	);	2542	);
2054		2543
2055	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
2056		2545
2057	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2104		2593
2105	# here we export the classes and methods available to script code	2594	# here we export the classes and methods available to script code
2106		2595
2107	=pod	2596	=pod
2108		2597
2109	The following fucntions and emthods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2110		2599
2111	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
2112	cf::object::player player	2604	cf::object::player
2113	cf::player peaceful	2605	player
2114	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2115		2612
2116	=cut	2613	=cut
2117		2614
2118	for (	2615	for (
2119	["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)],
2120	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2123	) {	2621	) {
2124	no strict 'refs';	2622	no strict 'refs';
…		…
2195	=back	2693	=back
2196		2694
2197	=cut	2695	=cut
2198		2696
2199	#############################################################################	2697	#############################################################################
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	2698	# the server's init and main functions
2273		2699
2274	sub load_faces {	2700	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2701	my ($path) = @_;
2276		2702
2277	warn "loading faces from $path\n";	2703	warn "loading facedata from $path\n";
2278		2704
2279	my $faces;	2705	my $facedata;
2280	0 < aio_load $path, $faces	2706	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2707	or die "$path: $!";
2282		2708
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2709	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2710
		2711	$facedata->{version} == 2
		2712	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2713
		2714	{
		2715	my $faces = $facedata->{faceinfo};
		2716
2287	while (my ($face, $info) = each %$faces) {	2717	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290	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};
2291	Coro::cede;	2722	Coro::cede;
2292	}	2723	}
2293		2724
2294	while (my ($face, $info) = each %$faces) {	2725	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	2726	next unless $info->{smooth};
2296	my $idx = cf::face::find $face	2727	my $idx = cf::face::find $face
2297	or next;	2728	or next;
2298	if (my $smooth = cf::face::find $info->{smooth}) {	2729	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2301	} else {	2731	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	2732	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	2733	}
2304	Coro::cede;	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
2305	}	2747	}
2306		2748
2307	1	2749	1
2308	}	2750	}
2309		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
2310	sub reload_resources {	2777	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2778	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	2779
		2780	reload_regions;
2313	load_faces	2781	reload_facedata;
2314	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";
2315	}	2787	}
2316		2788
2317	sub init {	2789	sub init {
2318	reload_resources;	2790	reload_resources;
2319	}	2791	}
2320		2792
2321	sub cfg_load {	2793	sub cfg_load {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	2795	or return;
2324		2796
2325	local $/;	2797	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2327		2799
…		…
2372	},	2844	},
2373	);	2845	);
2374	}	2846	}
2375	}	2847	}
2376		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
2377	sub emergency_save() {	2887	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2379		2889
2380	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2381		2891
…		…
2412		2922
2413	warn Carp::longmess "post_cleanup backtrace"	2923	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	2924	if $make_core;
2415	}	2925	}
2416		2926
2417	sub reload() {	2927	sub do_reload_perl() {
2418	# can/must only be called in main	2928	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	2930	warn "can only reload from main coroutine";
2421	return;	2931	return;
2422	}	2932	}
…		…
2456	%EXT_CORO = ();	2966	%EXT_CORO = ();
2457		2967
2458	warn "removing commands";	2968	warn "removing commands";
2459	%COMMAND = ();	2969	%COMMAND = ();
2460		2970
2461	warn "removing ext commands";	2971	warn "removing ext/exti commands";
2462	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2463		2974
2464	warn "unloading/nuking all extensions";	2975	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2467		2978
…		…
2497	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2498	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);
2499		3010
2500	warn "unloading cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2502		3014
2503	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3016	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2506		3018
…		…
2521	warn "reattaching attachments to maps";	3033	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3035	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3036	reattach $_ for values %PLAYER;
2525		3037
2526	warn "loading reloadable resources";
2527	reload_resources;
2528
2529	warn "leaving sync_job";	3038	warn "leaving sync_job";
2530		3039
2531	1	3040	1
2532	} or do {	3041	} or do {
2533	warn $@;	3042	warn $@;
…		…
2538	warn "reloaded";	3047	warn "reloaded";
2539	};	3048	};
2540		3049
2541	our $RELOAD_WATCHER; # used only during reload	3050	our $RELOAD_WATCHER; # used only during reload
2542		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
2543	register_command "reload" => sub {	3067	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2545		3069
2546	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3071	$who->message ("reloading server.");
2548		3072	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	}	3073	}
2562	};	3074	};
2563		3075
2564	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2565		3077
2566	my $bug_warning = 0;	3078	my $bug_warning = 0;
2567		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;
2568	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2569	reentrant => 0,	3104	reentrant => 0,
2570	parked => 1,	3105	parked => 1,
2571	prio => 0,	3106	prio => 0,
2572	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
…		…
2576	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"
2577	unless ++$bug_warning > 10;	3112	unless ++$bug_warning > 10;
2578	return;	3113	return;
2579	}	3114	}
2580		3115
2581	$NOW = Event::time;	3116	$NOW = $tick_start = Event::time;
2582		3117
2583	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
2584	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2586		3145
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2590	write_runtime	3149	write_runtime
2591	or warn "ERROR: unable to write runtime file: $!";	3150	or warn "ERROR: unable to write runtime file: $!";
2592	};	3151	};
2593	}	3152	}
2594		3153
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;	3154	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#	3155	# warn $AFTER - $NOW;#d#
2600		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
2601	# 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
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2603		3168
2604	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2605	$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
2606	},	3178	},
2607	);	3179	);
2608		3180
2609	{	3181	{
2610	BDB::max_poll_time $TICK * 0.1;	3182	BDB::max_poll_time $TICK * 0.1;
…		…
2638		3210
2639	cf::sync_job {	3211	cf::sync_job {
2640	eval {	3212	eval {
2641	BDB::db_env_open	3213	BDB::db_env_open
2642	$DB_ENV,	3214	$DB_ENV,
2643	$BDB_ENV_DIR,	3215	$BDBDIR,
2644	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
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3218	0666;
2647		3219
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649		3221
2650	$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);
2651	$DB_ENV->set_lk_detect;	3223	$DB_ENV->set_lk_detect;
2652	};	3224	};
2653		3225
…		…
2669	prio => 6,	3241	prio => 6,
2670	cb => \&IO::AIO::poll_cb,	3242	cb => \&IO::AIO::poll_cb,
2671	);	3243	);
2672	}	3244	}
2673		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
2674	END { cf::emergency_save }	3287	END { cf::emergency_save }
2675		3288
2676	1	3289	1
2677		3290

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines