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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.308 by root, Mon Jul 16 14:09:40 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 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
87		116
88	sub cf::map::normalise;	117	sub cf::map::normalise;
89		118
…		…
100	=item $cf::RUNTIME	129	=item $cf::RUNTIME
101		130
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	132	every server tick.
104		133
105	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		137
107	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
109		142
110	=item $cf::NOW	143	=item $cf::NOW
111		144
112	The time of the last (current) server tick.	145	The time of the last (current) server tick.
113		146
114	=item $cf::TICK	147	=item $cf::TICK
115		148
116	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
117		160
118	=item %cf::CFG	161	=item %cf::CFG
119		162
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	164	from wherever your confdir points to.
122		165
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		167
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.
129		171
130	=back	172	=back
131		173
132	=cut	174	=cut
133		175
134	BEGIN {	176	BEGIN {
135	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	178	my $msg = join "", @_;
137	utf8::encode $msg;
138		179
139	$msg .= "\n"	180	$msg .= "\n"
140	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
141		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
142	LOG llevError, $msg;	186	LOG llevError, $msg;
143	};	187	};
144	}	188	}
145		189
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		197
153	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	199	# within the Safe compartment.
155	for my $pkg (qw(	200	for my $pkg (qw(
156	cf::global cf::attachable	201	cf::global cf::attachable
…		…
164	}	209	}
165		210
166	$Event::DIED = sub {	211	$Event::DIED = sub {
167	warn "error in event callback: @_";	212	warn "error in event callback: @_";
168	};	213	};
		214
		215	#############################################################################
169		216
170	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
171		218
172	=over 4	219	=over 4
173		220
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	240	$d
194	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
195	}	242	}
196		243
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
200		245
201	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
202		247
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
211		249
212	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
213		251
214	=cut	252	=cut
215		253
216	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
218	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
220		258
221	=item cf::lock_wait $string	259	=item cf::lock_wait $string
222		260
223	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
224		262
…		…
230	returned.	268	returned.
231		269
232	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
234		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
235	=cut	277	=cut
236		278
237	our %LOCK;	279	our %LOCK;
238		280
239	sub lock_wait($) {	281	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
260	}	302	}
261	}	303	}
262		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
263	sub freeze_mainloop {	311	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
265		313
266	my $guard = Coro::guard {	314	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	316	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
272	$guard	318	$guard
273	}	319	}
274		320
275	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
282		328
283	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
284		330
285	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
286		332
287	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
290		337
291	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
294	fast or be very important.	341	fast or be very important.
…		…
297		344
298	sub sync_job(&) {	345	sub sync_job(&) {
299	my ($job) = @_;	346	my ($job) = @_;
300		347
301	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
302	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
304		353
305	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
317		366
318	while ($busy) {	367	while ($busy) {
319	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
320	}	369	}
321		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
322	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
323	} else {	379	} else {
324	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
325		381
326	$job->()	382	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
346		402
347	$coro	403	$coro
348	}	404	}
349		405
350	sub write_runtime {	406	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		407
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
354	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
355		412
356	my $value = $cf::RUNTIME + 90 + 10;	413	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		414
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	415	sub _store_scalar {
361	and return;	416	open my $fh, ">", \my $buf
362		417	or die "fork_call: cannot open fh-to-buf in child : $!";
363	aio_fsync $fh	418	Storable::store_fd $_[0], $fh;
364	and return;
365
366	close $fh	419	close $fh;
367	or return;
368		420
369	aio_rename "$runtime~", $runtime	421	$buf
370	and return;	422	}
371		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
372	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	593	}
374		594
375	=back	595	=back
376		596
377	=cut	597	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
386		606
387	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	609	Crossfire TRT).
390		610
391	=over 4	611	=over 4
392		612
393	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
394		614
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
558		778
559	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		783
564	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	785	my $pkg = shift @arg;
566		786
567	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
597	}	817	}
598		818
599	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
600	} else {	820	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	822	}
603		823
604	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
605	}	825	}
606		826
…		…
608	if (ref $_[0]) {	828	if (ref $_[0]) {
609	_object_attach @_;	829	_object_attach @_;
610	} else {	830	} else {
611	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
612	}	832	}
		833	_recalc_want;
613	};	834	};
614		835
615	# all those should be optimised	836	# all those should be optimised
616	sub cf::attachable::detach {	837	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
621	reattach ($obj);	842	reattach ($obj);
622	} else {	843	} else {
623	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
624	}	845	}
		846	_recalc_want;
625	};	847	};
626		848
627	sub cf::attachable::attached {	849	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
629		851
…		…
752	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
753		975
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	980	close $fh;
759		981
760	if (@$objs) {	982	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	988	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
768	}	990	}
769	} else {	991	} else {
770	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
802	or return;	1024	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1026	}
805		1027
806	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
808	return ($data, $av);	1030	return ($data, $av);
809	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
810		1038
811	#############################################################################	1039	#############################################################################
812	# command handling &c	1040	# command handling &c
813		1041
814	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1056	}
829		1057
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1059
832	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
833		1065
834	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
835	called.	1067	called.
836		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
837	=cut	1080	=cut
838		1081
839	sub register_extcmd {	1082	sub register_extcmd {
840	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
841		1084
842	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
843	}	1092	}
844		1093
845	cf::player->attach (	1094	cf::player->attach (
846	on_command => sub {	1095	on_command => sub {
847	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1105	cf::override;
857	},	1106	},
858	on_extcmd => sub {	1107	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
860		1109
861	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1111
863	if (ref $msg) {	1112	if (ref $msg) {
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
865	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
866	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
872		1121
873	cf::override;	1122	cf::override;
874	},	1123	},
875	);	1124	);
876		1125
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
912	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1131	next unless -r $path;
914	eval {	1132
915	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
916	1	1190	}
917	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
918	}	1196	};
919	}	1197	}
920		1198
921	#############################################################################	1199	#############################################################################
922		1200
		1201	=back
		1202
923	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
924		1204
925	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
926		1206
927	=cut	1207	=cut
…		…
939	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
940		1220
941	=cut	1221	=cut
942		1222
943	sub playerdir($) {	1223	sub playerdir($) {
944	cf::localdir	1224	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1226	}
950		1227
951	sub path($) {	1228	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1230
954	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
955	}	1232	}
956		1233
957	sub find_active($) {	1234	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1249	my $login = $_[0];
973		1250
974	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
975		1252
976	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
977	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
978	or return;	1262	or return;
979	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
980	}	1264	}
981	}	1265	}
…		…
1018		1302
1019	=cut	1303	=cut
1020		1304
1021	sub quit_character {	1305	sub quit_character {
1022	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1023		1309
1024	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1312
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1037	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1038	}	1344	}
1039		1345
1040	=item cf::player::list_logins	1346	=item cf::player::list_logins
1041		1347
1042	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1044		1350
1045	=cut	1351	=cut
1046		1352
1047	sub list_logins {	1353	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1355	or return [];
1050		1356
1051	my @logins;	1357	my @logins;
1052		1358
1053	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1070	=cut	1376	=cut
1071		1377
1072	sub maps($) {	1378	sub maps($) {
1073	my ($pl) = @_;	1379	my ($pl) = @_;
1074		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
		1382
1075	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1076	or return;	1384	or return;
1077		1385
1078	my @paths;	1386	my @paths;
1079		1387
1080	for (@$files) {	1388	for (@$files) {
1081	utf8::decode $_;	1389	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1084		1392
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1393	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1394	}
1087		1395
1088	\@paths	1396	\@paths
1089	}	1397	}
1090		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1092		1450
1093	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1094		1452
1095	=cut	1453	=cut
1096		1454
1097	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1098	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1099		1457
1100	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1101		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1460	}
1104		1461
1105	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->{match} && $path =~ $region->{match}) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1106		1502
1107	=back	1503	=back
1108
1109		1504
1110	=head3 cf::map	1505	=head3 cf::map
1111		1506
1112	=over 4	1507	=over 4
1113		1508
…		…
1168	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1169		1564
1170	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1171	local $self->{path};	1566	local $self->{path};
1172	local $self->{load_path};	1567	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1568
1176	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1177	}	1570	}
1178		1571
1179	sub normalise {	1572	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1619	$self->init; # pass $1 etc.
1227	return $self;	1620	return $self;
1228	}	1621	}
1229	}	1622	}
1230		1623
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1624	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1625	()
1233	}	1626	}
1234		1627
1235	sub init {	1628	sub init {
1236	my ($self) = @_;	1629	my ($self) = @_;
…		…
1251		1644
1252	# the original (read-only) location	1645	# the original (read-only) location
1253	sub load_path {	1646	sub load_path {
1254	my ($self) = @_;	1647	my ($self) = @_;
1255		1648
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1257	}	1650	}
1258		1651
1259	# the temporary/swap location	1652	# the temporary/swap location
1260	sub save_path {	1653	sub save_path {
1261	my ($self) = @_;	1654	my ($self) = @_;
1262		1655
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1265	}	1658	}
1266		1659
1267	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1268	sub uniq_path {	1661	sub uniq_path {
1269	my ($self) = @_;	1662	my ($self) = @_;
1270		1663
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1273	}	1666	}
1274		1667
1275	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1276	# all maps in C++...	1669	# all maps in C++...
1277	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1279		1672
1280	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1282	}	1675	}
1283		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1284	sub unlink_save {	1685	sub unlink_save {
1285	my ($self) = @_;	1686	my ($self) = @_;
1286		1687
1287	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1692
1292	sub load_header_from($) {	1693	sub load_header_from($) {
1293	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1294		1695
1295	utf8::encode $path;	1696	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
1297	or return;	1698	# or return;
1298		1699
1299	$self->_load_header ($path)	1700	$self->_load_header ($path)
1300	or return;	1701	or return;
1301		1702
1302	$self->{load_path} = $path;	1703	$self->{load_path} = $path;
…		…
1344	$self->load_header_orig	1745	$self->load_header_orig
1345	or return;	1746	or return;
1346	$self->prepare_orig;	1747	$self->prepare_orig;
1347	}	1748	}
1348		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
		1755
1349	1	1756	1
1350	}	1757	}
1351		1758
1352	sub find;	1759	sub find;
1353	sub find {	1760	sub find {
…		…
1365	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1366		1773
1367	$map->load_header	1774	$map->load_header
1368	or return;	1775	or return;
1369		1776
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1373	$map->reset;	1780	$map->reset;
1374	undef $guard;	1781	undef $guard;
1375	return find $path;	1782	return find $path;
…		…
1386	my ($self) = @_;	1793	my ($self) = @_;
1387		1794
1388	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1389		1796
1390	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1392		1801
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1394		1803
1395	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1396		1805
1397	$self->alloc;	1806	$self->alloc;
1398		1807
1399	$self->pre_load;	1808	$self->pre_load;
1400
1401	$self->_load_objects ($self->{load_path}, 1)
1402	or return;
1403
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};
1406
1407	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {
1410	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);
1412	}
1413	}
1414
1415	Coro::cede;
1416
1417	# now do the right thing for maps
1418	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;	1809	Coro::cede;
1425	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1426	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1829	unless $self->difficulty;
1428	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1429	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1843	}
1431		1844
1432	$self->post_load;	1845	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1846	}
1436		1847
1437	sub customise_for {	1848	sub customise_for {
1438	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1439		1850
1440	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1442		1856
1443	$self	1857	$self
1444	}	1858	}
1445		1859
1446	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1493		1907
1494	undef $MAP_PREFETCH{$path};	1908	undef $MAP_PREFETCH{$path};
1495	$MAP_PREFETCHER ||= cf::async {	1909	$MAP_PREFETCHER ||= cf::async {
1496	while (%MAP_PREFETCH) {	1910	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	1911	for my $path (keys %MAP_PREFETCH) {
1498	my $map = find $path	1912	if (my $map = find $path) {
1499	or next;
1500	$map->load;	1913	$map->load;
		1914	}
1501		1915
1502	delete $MAP_PREFETCH{$path};	1916	delete $MAP_PREFETCH{$path};
1503	}	1917	}
1504	}	1918	}
1505	undef $MAP_PREFETCHER;	1919	undef $MAP_PREFETCHER;
…		…
1557		1971
1558	sub reset_at {	1972	sub reset_at {
1559	my ($self) = @_;	1973	my ($self) = @_;
1560		1974
1561	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1564		1977
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1980
…		…
1578	my ($self) = @_;	1991	my ($self) = @_;
1579		1992
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		1994
1582	return if $self->players;	1995	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		1996
1585	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1586		2008
1587	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1588		2010
1589	$self->in_memory (cf::MAP_SWAPPED);
1590	$self->clear;	2011	$self->clear;
1591		2012
1592	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1593		2014
1594	$self->unlink_save;	2015	$self->unlink_save;
…		…
1613	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1614		2035
1615	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1616	}	2037	}
1617		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1618	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1619		2076
1620	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2078	instantiated unique items. May block.
1622		2079
1623	=cut	2080	=cut
1624		2081
1625	sub unique_maps() {	2082	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1627	or return;	2084	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2085	utf8::decode $_;
1633	next if /\.pst$/;	2086	/\.map$/
1634	next unless /^$PATH_SEP/o;	2087	? normalise $_
1635		2088	: ()
1636	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2090	]
1638
1639	\@paths
1640	}	2091	}
1641		2092
1642	package cf;	2093	package cf;
1643		2094
1644	=back	2095	=back
…		…
1690		2141
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2143
1693	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1695	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1698	}	2163	}
1699	}	2164	}
1700		2165
1701	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1702		2167
…		…
1750	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1751		2216
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2218
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1756		2221
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2223	}
1759		2224
1760	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1762		2229
1763	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1764		2231
1765	unless ($map) {	2232	unless ($map) {
1766	# restore original map position	2233	# restore original map position
…		…
1784	$map->load;	2251	$map->load;
1785	$map->load_diag;	2252	$map->load_diag;
1786		2253
1787	return unless $self->contr->active;	2254	return unless $self->contr->active;
1788	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1790	}	2259	}
1791		2260
1792	cf::player->attach (	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2262
1796	# abort map switching before logout	2263	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2264	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2265	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2266	the new (success) or old (failed) map position. In either case, $done will
1800	};	2267	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2268
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2269	=cut
		2270
		2271	our $GOTOGEN;
1827		2272
1828	sub cf::object::player::goto {	2273	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2274	my ($self, $path, $x, $y, $check, $done) = @_;
		2275
		2276	# do generation counting so two concurrent goto's will be executed in-order
		2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2278
1831	$self->enter_link;	2279	$self->enter_link;
1832		2280
1833	(async {	2281	(async {
1834	my $map = eval {	2282	my $map = eval {
1835	my $map = cf::map::find $path;	2283	my $map = cf::map::find $path;
		2284
		2285	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2286	$map = $map->customise_for ($self);
		2287	$map = $check->($map) if $check && $map;
		2288	} else {
		2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	}
		2291
1837	$map	2292	$map
		2293	};
		2294
		2295	if ($@) {
		2296	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2297	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2298	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2299
		2300	if ($gen == $self->{_goto_generation}) {
		2301	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
		2303	}
		2304
		2305	$done->() if $done;
1842	})->prio (1);	2306	})->prio (1);
1843	}	2307	}
1844		2308
1845	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1846		2310
…		…
1885		2349
1886	$rmp->{random_seed} ||= $exit->random_seed;	2350	$rmp->{random_seed} ||= $exit->random_seed;
1887		2351
1888	my $data = cf::to_json $rmp;	2352	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2353	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2354	my $meta = "$RANDOMDIR/$md5.meta";
1891		2355
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2357	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2358	undef $fh;
1895	aio_rename "$meta~", $meta;	2359	aio_rename "$meta~", $meta;
…		…
1904		2368
1905	return unless $self->type == cf::PLAYER;	2369	return unless $self->type == cf::PLAYER;
1906		2370
1907	if ($exit->slaying eq "/!") {	2371	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2373	# the problem is that $exit might not survive long enough
		2374	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2375	cf::sync_job { prepare_random_map $exit };
1910	}	2376	}
1911		2377
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2379	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2380	my $sp = $exit->stats->sp;
1915		2381
1916	$self->enter_link;	2382	$self->enter_link;
		2383
		2384	# if exit is damned, update players death & WoR home-position
		2385	$self->contr->savebed ($slaying, $hp, $sp)
		2386	if $exit->flag (FLAG_DAMNED);
1917		2387
1918	(async {	2388	(async {
1919	$self->deactivate_recursive; # just to be sure	2389	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2390	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2391	$self->goto ($slaying, $hp, $sp);
1922		2392
1923	1;	2393	1;
1924	}) {	2394	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2395	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2396	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2397	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2398	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2399
1930	warn "ERROR in enter_exit: $@";	2400	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2401	$self->leave_link;
1932	}	2402	}
1933	})->prio (1);	2403	})->prio (1);
…		…
1946		2416
1947	sub cf::client::send_drawinfo {	2417	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2418	my ($self, $text, $flags) = @_;
1949		2419
1950	utf8::encode $text;	2420	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2422	}
1953		2423
		2424	=item $client->send_msg ($color, $type, $msg, [extra...])
		2425
		2426	Send a drawinfo or msg packet to the client, formatting the msg for the
		2427	client if neccessary. C<$type> should be a string identifying the type of
		2428	the message, with C<log> being the default. If C<$color> is negative, suppress
		2429	the message unless the client supports the msg packet.
		2430
		2431	=cut
		2432
		2433	sub cf::client::send_msg {
		2434	my ($self, $color, $type, $msg, @extra) = @_;
		2435
		2436	$msg = $self->pl->expand_cfpod ($msg);
		2437
		2438	return unless @extra || length $msg;
		2439
		2440	if ($self->can_msg) {
		2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2442	} else {
		2443	# replace some tags by gcfclient-compatible ones
		2444	for ($msg) {
		2445	1 while
		2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2451	}
		2452
		2453	if ($color >= 0) {
		2454	if (0 && $msg =~ /\[/) {
		2455	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2456	} else {
		2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2458	$self->send_packet ("drawinfo $color $msg")
		2459	}
		2460	}
		2461	}
		2462	}
		2463
		2464	=item $client->ext_event ($type, %msg)
		2465
		2466	Sends an ext event to the client.
		2467
		2468	=cut
		2469
		2470	sub cf::client::ext_event($$%) {
		2471	my ($self, $type, %msg) = @_;
		2472
		2473	return unless $self->extcmd;
		2474
		2475	$msg{msgtype} = "event_$type";
		2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2477	}
1954		2478
1955	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
1956		2480
1957	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2482	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2483	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2484
1961	Queries can fail, so check the return code. Or don't, as queries will become	2485	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2486	become reliable at some point in the future.
1963		2487
1964	=cut	2488	=cut
1965		2489
1966	sub cf::client::query {	2490	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2499	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2501
1978	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
1980	}	2506	}
1981		2507
1982	cf::client->attach (	2508	cf::client->attach (
		2509	on_connect => sub {
		2510	my ($ns) = @_;
		2511
		2512	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2513	},
1983	on_reply => sub {	2514	on_reply => sub {
1984	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
1985		2516
1986	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
1987	# get handled first	2518	# get handled first
1988	my $queue = delete $ns->{query_queue}	2519	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2520	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2521
1991	(shift @$queue)->[1]->($msg);	2522	(shift @$queue)->[1]->($msg);
		2523	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2524
1993	push @{ $ns->{query_queue} }, @$queue;	2525	push @{ $ns->{query_queue} }, @$queue;
1994		2526
1995	if (@{ $ns->{query_queue} } == @$queue) {	2527	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2528	if (@$queue) {
…		…
1998	} else {	2530	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2532	}
2001	}	2533	}
2002	},	2534	},
		2535	on_exticmd => sub {
		2536	my ($ns, $buf) = @_;
		2537
		2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2539
		2540	if (ref $msg) {
		2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2542	if (my %reply = $cb->($ns, $msg)) {
		2543	$reply{msgid} = $msg->{msgid};
		2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2545	}
		2546	}
		2547	} else {
		2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2549	}
		2550
		2551	cf::override;
		2552	},
2003	);	2553	);
2004		2554
2005	=item $client->async (\&cb)	2555	=item $client->async (\&cb)
2006		2556
2007	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
…		…
2054		2604
2055	# here we export the classes and methods available to script code	2605	# here we export the classes and methods available to script code
2056		2606
2057	=pod	2607	=pod
2058		2608
2059	The following fucntions and emthods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
2060		2610
2061	cf::object contr pay_amount pay_player map	2611	cf::object
		2612	contr pay_amount pay_player map x y force_find force_add
		2613	insert remove
		2614
2062	cf::object::player player	2615	cf::object::player
2063	cf::player peaceful	2616	player
2064	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
2065		2623
2066	=cut	2624	=cut
2067		2625
2068	for (	2626	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2628	insert remove)],
2070	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
2073	) {	2632	) {
2074	no strict 'refs';	2633	no strict 'refs';
…		…
2145	=back	2704	=back
2146		2705
2147	=cut	2706	=cut
2148		2707
2149	#############################################################################	2708	#############################################################################
		2709	# the server's init and main functions
2150		2710
2151	=head2 EXTENSION DATABASE SUPPORT	2711	sub load_facedata($) {
		2712	my ($path) = @_;
2152		2713
2153	Crossfire maintains a very simple database for extension use. It can	2714	warn "loading facedata from $path\n";
2154	currently store anything that can be serialised using Storable, which
2155	excludes objects.
2156		2715
2157	The parameter C<$family> should best start with the name of the extension	2716	my $facedata;
2158	using it, it should be unique.	2717	0 < aio_load $path, $facedata
		2718	or die "$path: $!";
2159		2719
2160	=over 4	2720	$facedata = Coro::Storable::thaw $facedata;
2161		2721
2162	=item $hashref = cf::db_get $family	2722	$facedata->{version} == 2
		2723	or cf::cleanup "$path: version mismatch, cannot proceed.";
2163		2724
2164	Return a hashref for use by the extension C<$family>, which can be
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167
2168	=item $value = cf::db_get $family => $key
2169
2170	Returns a single value from the database
2171
2172	=item cf::db_put $family => $hashref
2173
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2725	{
		2726	my $faces = $facedata->{faceinfo};
2200		2727
2201	my $pid;	2728	while (my ($face, $info) = each %$faces) {
		2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2730	cf::face::set_visibility $idx, $info->{visibility};
		2731	cf::face::set_magicmap $idx, $info->{magicmap};
		2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2202		2734
2203	sub db_save() {	2735	cf::cede_to_tick;
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}
2212
2213	my $dirty;
2214
2215	sub db_sync() {
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	2736	}
2254	);
2255	}
2256		2737
2257	#############################################################################	2738	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	2739	next unless $info->{smooth};
		2740	my $idx = cf::face::find $face
		2741	or next;
		2742	if (my $smooth = cf::face::find $info->{smooth}) {
		2743	cf::face::set_smooth $idx, $smooth;
		2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2745	} else {
		2746	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2747	}
		2748
		2749	cf::cede_to_tick;
		2750	}
		2751	}
		2752
		2753	{
		2754	my $anims = $facedata->{animinfo};
		2755
		2756	while (my ($anim, $info) = each %$anims) {
		2757	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2758	cf::cede_to_tick;
		2759	}
		2760
		2761	cf::anim::invalidate_all; # d'oh
		2762	}
		2763
		2764	{
		2765	# TODO: for gcfclient pleasure, we should give resources
		2766	# that gcfclient doesn't grok a >10000 face index.
		2767	my $res = $facedata->{resource};
		2768	my $enc = JSON::XS->new->utf8->canonical;
		2769
		2770	while (my ($name, $info) = each %$res) {
		2771	my $meta = $enc->encode ({
		2772	name => $name,
		2773	type => $info->{type},
		2774	copyright => $info->{copyright}, #TODO#
		2775	});
		2776
		2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2778
		2779	if ($name =~ /\.jpg$/) {
		2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2782	} else {
		2783	my $data = pack "(w/a*)*", $meta, $info->{data};
		2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2785
		2786	cf::face::set_type $idx, 1;
		2787	cf::face::set_data $idx, 0, $data, $chk;
		2788	}
		2789
		2790	cf::cede_to_tick;
		2791	}
		2792	}
		2793
		2794	1
		2795	}
		2796
		2797	sub reload_regions {
		2798	load_resource_file "$MAPDIR/regions"
		2799	or die "unable to load regions file\n";
		2800
		2801	for (cf::region::list) {
		2802	$_->{match} = qr/$_->{match}/
		2803	if exists $_->{match};
		2804	}
		2805	}
		2806
		2807	sub reload_facedata {
		2808	load_facedata "$DATADIR/facedata"
		2809	or die "unable to load facedata\n";
		2810	}
		2811
		2812	sub reload_archetypes {
		2813	load_resource_file "$DATADIR/archetypes"
		2814	or die "unable to load archetypes\n";
		2815	#d# NEED to laod twice to resolve forward references
		2816	# this really needs to be done in an extra post-pass
		2817	# (which needs to be synchronous, so solve it differently)
		2818	load_resource_file "$DATADIR/archetypes"
		2819	or die "unable to load archetypes\n";
		2820	}
		2821
		2822	sub reload_treasures {
		2823	load_resource_file "$DATADIR/treasures"
		2824	or die "unable to load treasurelists\n";
		2825	}
		2826
		2827	sub reload_resources {
		2828	warn "reloading resource files...\n";
		2829
		2830	reload_regions;
		2831	reload_facedata;
		2832	#reload_archetypes;#d#
		2833	reload_archetypes;
		2834	reload_treasures;
		2835
		2836	warn "finished reloading resource files\n";
		2837	}
		2838
		2839	sub init {
		2840	reload_resources;
		2841	}
2259		2842
2260	sub cfg_load {	2843	sub cfg_load {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	2844	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	2845	or return;
2263		2846
2264	local $/;	2847	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	2848	*CFG = YAML::Syck::Load <$fh>;
2266		2849
…		…
2286	Event::one_event;	2869	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	2870	})->prio (Coro::PRIO_MAX);
2288	};	2871	};
2289		2872
2290	cfg_load;	2873	cfg_load;
2291	db_load;	2874	db_init;
2292	load_extensions;	2875	load_extensions;
2293		2876
2294	$TICK_WATCHER->start;	2877	$TICK_WATCHER->start;
2295	Event::loop;	2878	Event::loop;
2296	}	2879	}
…		…
2311	},	2894	},
2312	);	2895	);
2313	}	2896	}
2314	}	2897	}
2315		2898
		2899	sub write_runtime {
		2900	my $runtime = "$LOCALDIR/runtime";
		2901
		2902	# first touch the runtime file to show we are still running:
		2903	# the fsync below can take a very very long time.
		2904
		2905	IO::AIO::aio_utime $runtime, undef, undef;
		2906
		2907	my $guard = cf::lock_acquire "write_runtime";
		2908
		2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2910	or return;
		2911
		2912	my $value = $cf::RUNTIME + 90 + 10;
		2913	# 10 is the runtime save interval, for a monotonic clock
		2914	# 60 allows for the watchdog to kill the server.
		2915
		2916	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2917	and return;
		2918
		2919	# always fsync - this file is important
		2920	aio_fsync $fh
		2921	and return;
		2922
		2923	# touch it again to show we are up-to-date
		2924	aio_utime $fh, undef, undef;
		2925
		2926	close $fh
		2927	or return;
		2928
		2929	aio_rename "$runtime~", $runtime
		2930	and return;
		2931
		2932	warn "runtime file written.\n";
		2933
		2934	1
		2935	}
		2936
2316	sub emergency_save() {	2937	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	2938	my $freeze_guard = cf::freeze_mainloop;
2318		2939
2319	warn "enter emergency perl save\n";	2940	warn "enter emergency perl save\n";
2320		2941
…		…
2335	my $map = $cf::MAP{$path} or next;	2956	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	2957	$map->valid or next;
2337	$map->save;	2958	$map->save;
2338	}	2959	}
2339	warn "end emergency map save\n";	2960	warn "end emergency map save\n";
		2961
		2962	warn "begin emergency database checkpoint\n";
		2963	BDB::db_env_txn_checkpoint $DB_ENV;
		2964	warn "end emergency database checkpoint\n";
2340	};	2965	};
2341		2966
2342	warn "leave emergency perl save\n";	2967	warn "leave emergency perl save\n";
2343	}	2968	}
2344		2969
		2970	sub post_cleanup {
		2971	my ($make_core) = @_;
		2972
		2973	warn Carp::longmess "post_cleanup backtrace"
		2974	if $make_core;
		2975	}
		2976
2345	sub reload() {	2977	sub do_reload_perl() {
2346	# can/must only be called in main	2978	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	2979	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	2980	warn "can only reload from main coroutine";
2349	return;	2981	return;
2350	}	2982	}
2351		2983
2352	warn "reloading...";	2984	warn "reloading...";
2353		2985
2354	warn "cancelling server ticker";	2986	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		2987
		2988	cf::sync_job {
		2989	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	2990	cf::emergency_save;
		2991	cf::write_runtime; # external watchdog should not bark
2358		2992
2359	eval {	2993	warn "syncing database to disk";
		2994	BDB::db_env_txn_checkpoint $DB_ENV;
		2995
2360	# if anything goes wrong in here, we should simply crash as we already saved	2996	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		2997
2365	warn "cancelling all WF_AUTOCANCEL watchers";	2998	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	2999	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3000	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3001	}
2369		3002
2370	warn "flushing outstanding aio requests";	3003	warn "flushing outstanding aio requests";
2371	for (;;) {	3004	for (;;) {
		3005	BDB::flush;
2372	IO::AIO::flush;	3006	IO::AIO::flush;
2373	Coro::cede;	3007	Coro::cede;
2374	last unless IO::AIO::nreqs;	3008	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3009	warn "iterate...";
2376	}	3010	}
		3011
		3012	++$RELOAD;
2377		3013
2378	warn "cancelling all extension coros";	3014	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3015	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3016	%EXT_CORO = ();
2381		3017
2382	warn "removing commands";	3018	warn "removing commands";
2383	%COMMAND = ();	3019	%COMMAND = ();
2384		3020
2385	warn "removing ext commands";	3021	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3022	%EXTCMD = ();
		3023	%EXTICMD = ();
2387		3024
2388	warn "unloading/nuking all extensions";	3025	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3026	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3027	warn "... unloading $pkg";
2391		3028
…		…
2421	Symbol::delete_package "safe::$_"	3058	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3060
2424	warn "unloading cf.pm \"a bit\"";	3061	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3062	delete $INC{"cf.pm"};
		3063	delete $INC{"cf/pod.pm"};
2426		3064
2427	# don't, removes xs symbols, too,	3065	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3066	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3067	#Symbol::delete_package __PACKAGE__;
2430		3068
…		…
2434	require cf;	3072	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3074
2437	warn "loading config and database again";	3075	warn "loading config and database again";
2438	cf::cfg_load;	3076	cf::cfg_load;
2439	cf::db_load;
2440		3077
2441	warn "loading extensions";	3078	warn "loading extensions";
2442	cf::load_extensions;	3079	cf::load_extensions;
2443		3080
2444	warn "reattaching attachments to objects/players";	3081	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3082	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3083	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3084	reattach $_ for values %MAP;
		3085	warn "reattaching attachments to players";
		3086	reattach $_ for values %PLAYER;
2448		3087
2449	warn "restarting server ticker";	3088	warn "leaving sync_job";
2450		3089
2451	$TICK_WATCHER->start;	3090	1
2452	};	3091	} or do {
2453
2454	if ($@) {
2455	warn $@;	3092	warn $@;
2456	warn "error while reloading, exiting.";	3093	warn "error while reloading, exiting.";
2457	exit 1;	3094	exit 1;
2458	}	3095	};
2459		3096
2460	warn "reloaded";	3097	warn "reloaded";
2461	};	3098	};
2462		3099
2463	our $RELOAD_WATCHER; # used only during reload	3100	our $RELOAD_WATCHER; # used only during reload
2464		3101
		3102	sub reload_perl() {
		3103	# doing reload synchronously and two reloads happen back-to-back,
		3104	# coro crashes during coro_state_free->destroy here.
		3105
		3106	$RELOAD_WATCHER ||= Event->timer (
		3107	reentrant => 0,
		3108	after => 0,
		3109	data => WF_AUTOCANCEL,
		3110	cb => sub {
		3111	do_reload_perl;
		3112	undef $RELOAD_WATCHER;
		3113	},
		3114	);
		3115	}
		3116
2465	register_command "reload" => sub {	3117	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3118	my ($who, $arg) = @_;
2467		3119
2468	if ($who->flag (FLAG_WIZ)) {	3120	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3121	$who->message ("reloading server.");
2470		3122	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3123	}
2484	};	3124	};
2485		3125
2486	unshift @INC, $LIBDIR;	3126	unshift @INC, $LIBDIR;
2487		3127
2488	my $bug_warning = 0;	3128	my $bug_warning = 0;
2489		3129
		3130	our @WAIT_FOR_TICK;
		3131	our @WAIT_FOR_TICK_BEGIN;
		3132
		3133	sub wait_for_tick {
		3134	return unless $TICK_WATCHER->is_active;
		3135	return if $Coro::current == $Coro::main;
		3136
		3137	my $signal = new Coro::Signal;
		3138	push @WAIT_FOR_TICK, $signal;
		3139	$signal->wait;
		3140	}
		3141
		3142	sub wait_for_tick_begin {
		3143	return unless $TICK_WATCHER->is_active;
		3144	return if $Coro::current == $Coro::main;
		3145
		3146	my $signal = new Coro::Signal;
		3147	push @WAIT_FOR_TICK_BEGIN, $signal;
		3148	$signal->wait;
		3149	}
		3150
		3151	my $min = 1e6;#d#
		3152	my $avg = 10;
2490	$TICK_WATCHER = Event->timer (	3153	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3154	reentrant => 0,
2492	parked => 1,	3155	parked => 1,
2493	prio => 0,	3156	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3157	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3162	unless ++$bug_warning > 10;
2500	return;	3163	return;
2501	}	3164	}
2502		3165
2503	$NOW = Event::time;	3166	$NOW = $tick_start = Event::time;
2504		3167
2505	cf::server_tick; # one server iteration	3168	cf::server_tick; # one server iteration
		3169
		3170	0 && sync_job {#d#
		3171	for(1..10) {
		3172	my $t = Event::time;
		3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3174	or die;
		3175
		3176	$map->width (50);
		3177	$map->height (50);
		3178	$map->alloc;
		3179	$map->_load_objects ("/tmp/x.map", 1);
		3180	my $t = Event::time - $t;
		3181
		3182	#next unless $t < 0.0013;#d#
		3183	if ($t < $min) {
		3184	$min = $t;
		3185	}
		3186	$avg = $avg * 0.99 + $t * 0.01;
		3187	}
		3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3189	exit 0;
		3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3191	};
		3192
2506	$RUNTIME += $TICK;	3193	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3194	$NEXT_TICK += $TICK;
2508		3195
2509	$WAIT_FOR_TICK->broadcast;	3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3198	Coro::async_pool {
2512	Event::sweep;	3199	write_runtime
2513	Coro::cede_notself;	3200	or warn "ERROR: unable to write runtime file: $!";
		3201	};
2514		3202	}
		3203
2515	# my $AFTER = Event::time;	3204	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3205	# warn $AFTER - $NOW;#d#
2517		3206
		3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3208	$sig->send;
		3209	}
		3210	while (my $sig = shift @WAIT_FOR_TICK) {
		3211	$sig->send;
		3212	}
		3213
		3214	$NOW = Event::time;
		3215
2518	# if we are delayed by four ticks or more, skip them all	3216	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3218
2521	$TICK_WATCHER->at ($NEXT_TICK);	3219	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3220	$TICK_WATCHER->start;
		3221
		3222	$LOAD = ($NOW - $tick_start) / $TICK;
		3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3224
		3225	_post_tick;
		3226
		3227
2523	},	3228	},
2524	);	3229	);
2525		3230
		3231	{
		3232	BDB::max_poll_time $TICK * 0.1;
		3233	$BDB_POLL_WATCHER = Event->io (
		3234	reentrant => 0,
		3235	fd => BDB::poll_fileno,
		3236	poll => 'r',
		3237	prio => 0,
		3238	data => WF_AUTOCANCEL,
		3239	cb => \&BDB::poll_cb,
		3240	);
		3241	BDB::min_parallel 8;
		3242
		3243	BDB::set_sync_prepare {
		3244	my $status;
		3245	my $current = $Coro::current;
		3246	(
		3247	sub {
		3248	$status = $!;
		3249	$current->ready; undef $current;
		3250	},
		3251	sub {
		3252	Coro::schedule while defined $current;
		3253	$! = $status;
		3254	},
		3255	)
		3256	};
		3257
		3258	unless ($DB_ENV) {
		3259	$DB_ENV = BDB::db_env_create;
		3260
		3261	cf::sync_job {
		3262	eval {
		3263	BDB::db_env_open
		3264	$DB_ENV,
		3265	$BDBDIR,
		3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3268	0666;
		3269
		3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3271
		3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3273	$DB_ENV->set_lk_detect;
		3274	};
		3275
		3276	cf::cleanup "db_env_open(db): $@" if $@;
		3277	};
		3278	}
		3279	}
		3280
		3281	{
		3282	IO::AIO::min_parallel 8;
		3283
		3284	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3285	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3286	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3287	reentrant => 0,
		3288	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3289	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3290	poll => 'r',
2533	prio => 6,	3291	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3292	cb => \&IO::AIO::poll_cb,
2536	);	3293	);
		3294	}
2537		3295
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3296	my $_log_backtrace;
2539	reentrant => 0,	3297
2540	data => WF_AUTOCANCEL,	3298	sub _log_backtrace {
2541	after => 1,	3299	my ($msg, @addr) = @_;
2542	interval => 10,	3300
2543	prio => 6, # keep it lowest so it acts like a watchdog	3301	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3302
2545	write_runtime	3303	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3304	if ($_log_backtrace < 2) {
		3305	++$_log_backtrace;
		3306	async {
		3307	my @bt = fork_call {
		3308	@addr = map { sprintf "%x", $_ } @addr;
		3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3311	or die "addr2line: $!";
		3312
		3313	my @funcs;
		3314	my @res = <$fh>;
		3315	chomp for @res;
		3316	while (@res) {
		3317	my ($func, $line) = splice @res, 0, 2, ();
		3318	push @funcs, "[$func] $line";
		3319	}
		3320
		3321	@funcs
		3322	};
		3323
		3324	LOG llevInfo, "[ABT] $msg\n";
		3325	LOG llevInfo, "[ABT] $_\n" for @bt;
		3326	--$_log_backtrace;
		3327	};
		3328	} else {
		3329	LOG llevInfo, "[ABT] $msg\n";
		3330	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3331	}
2548	);	3332	}
		3333
		3334	# load additional modules
		3335	use cf::pod;
2549		3336
2550	END { cf::emergency_save }	3337	END { cf::emergency_save }
2551		3338
2552	1	3339	1
2553		3340

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