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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 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;
53	our $USE_FSYNC; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
54		85
55	our %CFG;	86	our %CFG;
56		87
57	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	89	our $RUNTIME;
59		90
60	our %PLAYER; # all users	91	our %PLAYER; # all users
61	our %MAP; # all maps	92	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		94
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		101
71	binmode STDOUT;	102	binmode STDOUT;
72	binmode STDERR;	103	binmode STDERR;
73		104
74	# read virtual server time, if available	105	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
79	}	110	}
80		111
81	mkdir cf::localdir;	112	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		114
87	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
88		116
89	sub cf::map::normalise;	117	sub cf::map::normalise;
90		118
…		…
101	=item $cf::RUNTIME	129	=item $cf::RUNTIME
102		130
103	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
104	every server tick.	132	every server tick.
105		133
106	=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
107		137
108	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		142
111	=item $cf::NOW	143	=item $cf::NOW
112		144
113	The time of the last (current) server tick.	145	The time of the last (current) server tick.
114		146
115	=item $cf::TICK	147	=item $cf::TICK
116		148
117	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.
118		160
119	=item %cf::CFG	161	=item %cf::CFG
120		162
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	164	from wherever your confdir points to.
123		165
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		167
126	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
127	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
128	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.
129	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
130		177
131	=back	178	=back
132		179
133	=cut	180	=cut
134		181
135	BEGIN {	182	BEGIN {
136	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	184	my $msg = join "", @_;
138	utf8::encode $msg;
139		185
140	$msg .= "\n"	186	$msg .= "\n"
141	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
142		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
143	LOG llevError, $msg;	192	LOG llevError, $msg;
144	};	193	};
145	}	194	}
146		195
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		203
154	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	205	# within the Safe compartment.
156	for my $pkg (qw(	206	for my $pkg (qw(
157	cf::global cf::attachable	207	cf::global cf::attachable
…		…
165	}	215	}
166		216
167	$Event::DIED = sub {	217	$Event::DIED = sub {
168	warn "error in event callback: @_";	218	warn "error in event callback: @_";
169	};	219	};
		220
		221	#############################################################################
170		222
171	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
172		224
173	=over 4	225	=over 4
174		226
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	246	$d
195	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
196	}	248	}
197		249
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
201		251
202	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
203		253
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
212		255
213	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
214		257
215	=cut	258	=cut
216		259
217	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
219	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
221		264
222	=item cf::lock_wait $string	265	=item cf::lock_wait $string
223		266
224	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
225		268
…		…
231	returned.	274	returned.
232		275
233	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
235		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
236	=cut	283	=cut
237		284
238	our %LOCK;	285	our %LOCK;
239		286
240	sub lock_wait($) {	287	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
261	}	308	}
262	}	309	}
263		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
264	sub freeze_mainloop {	317	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
266		319
267	my $guard = Coro::guard {	320	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	322	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
273	$guard	324	$guard
274	}	325	}
275		326
276	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
283		334
284	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
285		336
286	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
287		338
288	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
291		343
292	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
295	fast or be very important.	347	fast or be very important.
…		…
298		350
299	sub sync_job(&) {	351	sub sync_job(&) {
300	my ($job) = @_;	352	my ($job) = @_;
301		353
302	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
303	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
305		359
306	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
318		372
319	while ($busy) {	373	while ($busy) {
320	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
321	}	375	}
322		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
323	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
324	} else {	385	} else {
325	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
326		387
327	$job->()	388	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
347		408
348	$coro	409	$coro
349	}	410	}
350		411
351	sub write_runtime {	412	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		413
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
355	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
356		418
357	my $value = $cf::RUNTIME + 90 + 10;	419	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		420
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	421	sub _store_scalar {
362	and return;	422	open my $fh, ">", \my $buf
363		423	or die "fork_call: cannot open fh-to-buf in child : $!";
364	# always fsync - this file is important	424	Storable::store_fd $_[0], $fh;
365	aio_fsync $fh
366	and return;
367
368	close $fh	425	close $fh;
369	or return;
370		426
371	aio_rename "$runtime~", $runtime	427	$buf
372	and return;	428	}
373		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
374	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	599	}
376		600
377	=back	601	=back
378		602
379	=cut	603	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
388		612
389	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	615	Crossfire TRT).
392		616
393	=over 4	617	=over 4
394		618
395	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
396		620
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
560		784
561	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		789
566	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	791	my $pkg = shift @arg;
568		792
569	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
599	}	823	}
600		824
601	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
602	} else {	826	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	828	}
605		829
606	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
607	}	831	}
608		832
…		…
610	if (ref $_[0]) {	834	if (ref $_[0]) {
611	_object_attach @_;	835	_object_attach @_;
612	} else {	836	} else {
613	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
614	}	838	}
		839	_recalc_want;
615	};	840	};
616		841
617	# all those should be optimised	842	# all those should be optimised
618	sub cf::attachable::detach {	843	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
623	reattach ($obj);	848	reattach ($obj);
624	} else {	849	} else {
625	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
626	}	851	}
		852	_recalc_want;
627	};	853	};
628		854
629	sub cf::attachable::attached {	855	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
631		857
…		…
646	";	872	";
647	die if $@;	873	die if $@;
648	}	874	}
649		875
650	our $override;	876	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		878
653	sub override {	879	sub override {
654	$override = 1;	880	$override = 1;
655	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
656	}	882	}
657		883
658	sub do_invoke {	884	sub do_invoke {
659	my $event = shift;	885	my $event = shift;
660	my $callbacks = shift;	886	my $callbacks = shift;
661		887
662	@invoke_results = ();	888	@INVOKE_RESULTS = ();
663		889
664	local $override;	890	local $override;
665		891
666	for (@$callbacks) {	892	for (@$callbacks) {
667	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
684		910
685	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
686		912
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		916
691	=back	917	=back
692		918
693	=cut	919	=cut
694		920
…		…
778	}	1004	}
779	} else {	1005	} else {
780	aio_unlink $filename;	1006	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1007	aio_unlink "$filename.pst";
782	}	1008	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1009	}
790	}	1010	}
791		1011
792	sub object_freezer_as_string {	1012	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1013	my ($rdata, $objs) = @_;
…		…
799		1019
800	sub object_thawer_load {	1020	sub object_thawer_load {
801	my ($filename) = @_;	1021	my ($filename) = @_;
802		1022
803	my ($data, $av);	1023	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1024
808	(aio_load $filename, $data) >= 0	1025	(aio_load $filename, $data) >= 0
809	or return;	1026	or return;
810		1027
811	unless (aio_stat "$filename.pst") {	1028	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1030	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1032	}
816		1033
817	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1036	return ($data, $av);
820	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
821		1044
822	#############################################################################	1045	#############################################################################
823	# command handling &c	1046	# command handling &c
824		1047
825	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1062	}
840		1063
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1065
843	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
844		1071
845	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
846	called.	1073	called.
847		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
848	=cut	1086	=cut
849		1087
850	sub register_extcmd {	1088	sub register_extcmd {
851	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
852		1090
853	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
854	}	1098	}
855		1099
856	cf::player->attach (	1100	cf::player->attach (
857	on_command => sub {	1101	on_command => sub {
858	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1111	cf::override;
868	},	1112	},
869	on_extcmd => sub {	1113	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
871		1115
872	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1117
874	if (ref $msg) {	1118	if (ref $msg) {
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
876	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
877	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
883		1127
884	cf::override;	1128	cf::override;
885	},	1129	},
886	);	1130	);
887		1131
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
923	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1137	next unless -r $path;
925	eval {	1138
926	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
927	1	1196	}
928	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
929	}	1202	};
930	}	1203	}
931		1204
932	#############################################################################	1205	#############################################################################
933		1206
		1207	=back
		1208
934	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
935		1210
936	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
937		1212
938	=cut	1213	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
951		1226
952	=cut	1227	=cut
953		1228
954	sub playerdir($) {	1229	sub playerdir($) {
955	cf::localdir	1230	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1232	}
961		1233
962	sub path($) {	1234	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1236
965	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
966	}	1238	}
967		1239
968	sub find_active($) {	1240	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1255	my $login = $_[0];
984		1256
985	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
986		1258
987	$cf::PLAYER{$_[0]} || do {	1259	$cf::PLAYER{$_[0]} || do {
		1260	# rename old playerfiles to new ones
		1261	#TODO: remove when no longer required
		1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1265	aio_unlink +(playerdir $login) . "/$login.pl";
		1266
988	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
989	or return;	1268	or return;
990	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
991	}	1270	}
992	}	1271	}
…		…
1029		1308
1030	=cut	1309	=cut
1031		1310
1032	sub quit_character {	1311	sub quit_character {
1033	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1034		1315
1035	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1317	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1318
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1328	$pl->destroy;
		1329
		1330	my $prefix = qr<^~\Q$name\E/>;
		1331
		1332	# nuke player maps
		1333	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1334
1048	IO::AIO::aio_rmtree $temp;	1335	IO::AIO::aio_rmtree $temp;
		1336	}
		1337
		1338	=item $pl->kick
		1339
		1340	Kicks a player out of the game. This destroys the connection.
		1341
		1342	=cut
		1343
		1344	sub kick {
		1345	my ($pl, $kicker) = @_;
		1346
		1347	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1348	$pl->killer ("kicked");
		1349	$pl->ns->destroy;
1049	}	1350	}
1050		1351
1051	=item cf::player::list_logins	1352	=item cf::player::list_logins
1052		1353
1053	Returns am arrayref of all valid playernames in the system, can take a	1354	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1055		1356
1056	=cut	1357	=cut
1057		1358
1058	sub list_logins {	1359	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1361	or return [];
1061		1362
1062	my @logins;	1363	my @logins;
1063		1364
1064	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1099	}	1400	}
1100		1401
1101	\@paths	1402	\@paths
1102	}	1403	}
1103		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1105		1456
1106	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1107		1458
1108	=cut	1459	=cut
1109		1460
1110	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1112		1463
1113	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1114		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1466	}
1117		1467
1118	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		1475	my ($self, $type, %msg) = @_;
		1476
		1477	$self->ns->ext_event ($type, %msg);
		1478	}
		1479
		1480	=head3 cf::region
		1481
		1482	=over 4
		1483
		1484	=cut
		1485
		1486	package cf::region;
		1487
		1488	=item cf::region::find_by_path $path
		1489
		1490	Tries to decuce the likely region for a map knowing only its path.
		1491
		1492	=cut
		1493
		1494	sub find_by_path($) {
		1495	my ($path) = @_;
		1496
		1497	my ($match, $specificity);
		1498
		1499	for my $region (list) {
		1500	if ($region->{match} && $path =~ $region->{match}) {
		1501	($match, $specificity) = ($region, $region->specificity)
		1502	if $region->specificity > $specificity;
		1503	}
		1504	}
		1505
		1506	$match
		1507	}
1119		1508
1120	=back	1509	=back
1121
1122		1510
1123	=head3 cf::map	1511	=head3 cf::map
1124		1512
1125	=over 4	1513	=over 4
1126		1514
…		…
1181	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1182		1570
1183	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1184	local $self->{path};	1572	local $self->{path};
1185	local $self->{load_path};	1573	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1574
1189	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1190	}	1576	}
1191		1577
1192	sub normalise {	1578	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1240	return $self;	1626	return $self;
1241	}	1627	}
1242	}	1628	}
1243		1629
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1631	()
1246	}	1632	}
1247		1633
1248	sub init {	1634	sub init {
1249	my ($self) = @_;	1635	my ($self) = @_;
…		…
1264		1650
1265	# the original (read-only) location	1651	# the original (read-only) location
1266	sub load_path {	1652	sub load_path {
1267	my ($self) = @_;	1653	my ($self) = @_;
1268		1654
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1270	}	1656	}
1271		1657
1272	# the temporary/swap location	1658	# the temporary/swap location
1273	sub save_path {	1659	sub save_path {
1274	my ($self) = @_;	1660	my ($self) = @_;
1275		1661
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1278	}	1664	}
1279		1665
1280	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1281	sub uniq_path {	1667	sub uniq_path {
1282	my ($self) = @_;	1668	my ($self) = @_;
1283		1669
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1286	}	1672	}
1287		1673
1288	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1289	# all maps in C++...	1675	# all maps in C++...
1290	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1292		1678
1293	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1295	}	1681	}
1296		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
1297	sub unlink_save {	1691	sub unlink_save {
1298	my ($self) = @_;	1692	my ($self) = @_;
1299		1693
1300	utf8::encode (my $save = $self->save_path);	1694	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1696	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1697	}
1309		1698
1310	sub load_header_from($) {	1699	sub load_header_from($) {
1311	my ($self, $path) = @_;	1700	my ($self, $path) = @_;
1312		1701
…		…
1362	$self->load_header_orig	1751	$self->load_header_orig
1363	or return;	1752	or return;
1364	$self->prepare_orig;	1753	$self->prepare_orig;
1365	}	1754	}
1366		1755
		1756	$self->{deny_reset} = 1
		1757	if $self->no_reset;
		1758
		1759	$self->default_region (cf::region::find_by_path $self->{path})
		1760	unless $self->default_region;
		1761
1367	1	1762	1
1368	}	1763	}
1369		1764
1370	sub find;	1765	sub find;
1371	sub find {	1766	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1384		1779
1385	$map->load_header	1780	$map->load_header
1386	or return;	1781	or return;
1387		1782
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1786	$map->reset;
1392	undef $guard;	1787	undef $guard;
1393	return find $path;	1788	return find $path;
…		…
1404	my ($self) = @_;	1799	my ($self) = @_;
1405		1800
1406	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1407		1802
1408	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1410		1807
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1809
1413	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1414		1811
1415	$self->alloc;	1812	$self->alloc;
1416		1813
1417	$self->pre_load;	1814	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1815	Coro::cede;
1443	$self->set_darkness_map;	1816
		1817	$self->_load_objects ($self->{load_path}, 1)
		1818	or return;
		1819
		1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1821	if delete $self->{load_original};
		1822
		1823	if (my $uniq = $self->uniq_path) {
		1824	utf8::encode $uniq;
		1825	if (aio_open $uniq, O_RDONLY, 0) {
		1826	$self->clear_unique_items;
		1827	$self->_load_objects ($uniq, 0);
		1828	}
		1829	}
		1830
		1831	Coro::cede;
		1832	# now do the right thing for maps
		1833	$self->link_multipart_objects;
1444	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1835	unless $self->difficulty;
1446	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1447	$self->activate;	1845	$self->activate;
		1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1849	}
1449		1850
1450	$self->post_load;	1851	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1852	}
1454		1853
1455	sub customise_for {	1854	sub customise_for {
1456	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1457		1856
1458	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1460		1862
1461	$self	1863	$self
1462	}	1864	}
1463		1865
1464	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
…		…
1511		1913
1512	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1513	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1516	my $map = find $path	1918	if (my $map = find $path) {
1517	or next;
1518	$map->load;	1919	$map->load;
		1920	}
1519		1921
1520	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1521	}	1923	}
1522	}	1924	}
1523	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1575		1977
1576	sub reset_at {	1978	sub reset_at {
1577	my ($self) = @_;	1979	my ($self) = @_;
1578		1980
1579	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1582		1983
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		1986
…		…
1596	my ($self) = @_;	1997	my ($self) = @_;
1597		1998
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2000
1600	return if $self->players;	2001	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2002
1603	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
		2004
		2005	$self->in_memory (cf::MAP_SWAPPED);
		2006
		2007	# need to save uniques path
		2008	unless ($self->{deny_save}) {
		2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2010
		2011	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2012	if $uniq;
		2013	}
1604		2014
1605	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
1606		2016
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2017	$self->clear;
1609		2018
1610	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1611		2020
1612	$self->unlink_save;	2021	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1632		2041
1633	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1634	}	2043	}
1635		2044
		2045	=item $maps = cf::map::tmp_maps
		2046
		2047	Returns an arrayref with all map paths of currently instantiated and saved
		2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
		2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
		2062
		2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
		2079	}
		2080
1636	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1637		2082
1638	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2084	instantiated unique items. May block.
1640		2085
1641	=cut	2086	=cut
1642		2087
1643	sub unique_maps() {	2088	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1645	or return;	2090	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2091	utf8::decode $_;
1651	next if /\.pst$/;	2092	/\.map$/
1652	next unless /^$PATH_SEP/o;	2093	? normalise $_
1653		2094	: ()
1654	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2096	]
1656
1657	\@paths
1658	}	2097	}
1659		2098
1660	package cf;	2099	package cf;
1661		2100
1662	=back	2101	=back
…		…
1708		2147
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2149
1711	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1713	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1716	}	2169	}
1717	}	2170	}
1718		2171
1719	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1720		2173
…		…
1768	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1769		2222
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2224
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1774		2227
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2229	}
1777		2230
1778	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1780		2235
1781	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1782		2237
1783	unless ($map) {	2238	unless ($map) {
1784	# restore original map position	2239	# restore original map position
…		…
1802	$map->load;	2257	$map->load;
1803	$map->load_diag;	2258	$map->load_diag;
1804		2259
1805	return unless $self->contr->active;	2260	return unless $self->contr->active;
1806	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1808	}	2265	}
1809		2266
1810	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2268
1814	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1818	};	2273	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2274
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1845		2278
1846	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
		2281
		2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2284
1849	$self->enter_link;	2285	$self->enter_link;
1850		2286
1851	(async {	2287	(async {
1852	my $map = eval {	2288	my $map = eval {
1853	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
		2293	$map = $check->($map) if $check && $map;
		2294	} else {
		2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
		2297
1855	$map	2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2304	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1860	})->prio (1);	2312	})->prio (1);
1861	}	2313	}
1862		2314
1863	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1864		2316
…		…
1903		2355
1904	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1905		2357
1906	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2360	my $meta = "$RANDOMDIR/$md5.meta";
1909		2361
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2364	undef $fh;
1913	aio_rename "$meta~", $meta;	2365	aio_rename "$meta~", $meta;
…		…
1922		2374
1923	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1924		2376
1925	if ($exit->slaying eq "/!") {	2377	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2379	# the problem is that $exit might not survive long enough
		2380	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2381	cf::sync_job { prepare_random_map $exit };
1928	}	2382	}
1929		2383
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
1933		2387
1934	$self->enter_link;	2388	$self->enter_link;
		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
1935		2393
1936	(async {	2394	(async {
1937	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2396	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
1940		2398
1941	1;	2399	1;
1942	}) {	2400	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2402	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2405
1948	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2407	$self->leave_link;
1950	}	2408	}
1951	})->prio (1);	2409	})->prio (1);
…		…
1964		2422
1965	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1967		2425
1968	utf8::encode $text;	2426	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2428	}
1971		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
		2470	=item $client->ext_event ($type, %msg)
		2471
		2472	Sends an ext event to the client.
		2473
		2474	=cut
		2475
		2476	sub cf::client::ext_event($$%) {
		2477	my ($self, $type, %msg) = @_;
		2478
		2479	return unless $self->extcmd;
		2480
		2481	$msg{msgtype} = "event_$type";
		2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2483	}
1972		2484
1973	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1974		2486
1975	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2490
1979	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2492	become reliable at some point in the future.
1981		2493
1982	=cut	2494	=cut
1983		2495
1984	sub cf::client::query {	2496	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2505	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2507
1996	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
1998	}	2512	}
1999		2513
2000	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
2001	on_reply => sub {	2520	on_reply => sub {
2002	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
2003		2522
2004	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
2005	# get handled first	2524	# get handled first
…		…
2017	} else {	2536	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2538	}
2020	}	2539	}
2021	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
2022	);	2559	);
2023		2560
2024	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
2025		2562
2026	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		2610
2074	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
2075		2612
2076	=pod	2613	=pod
2077		2614
2078	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
2079		2616
2080	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
2081	cf::object::player player	2621	cf::object::player
2082	cf::player peaceful	2622	player
2083	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
2084		2629
2085	=cut	2630	=cut
2086		2631
2087	for (	2632	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
2089	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2092	) {	2638	) {
2093	no strict 'refs';	2639	no strict 'refs';
…		…
2164	=back	2710	=back
2165		2711
2166	=cut	2712	=cut
2167		2713
2168	#############################################################################	2714	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2715	# the server's init and main functions
2278		2716
2279	sub load_resources {	2717	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2718	my ($path) = @_;
		2719
		2720	warn "loading facedata from $path\n";
		2721
		2722	my $facedata;
		2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
		2725
		2726	$facedata = Coro::Storable::thaw $facedata;
		2727
		2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2730
		2731	{
		2732	my $faces = $facedata->{faceinfo};
		2733
		2734	while (my ($face, $info) = each %$faces) {
		2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
		2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2740
		2741	cf::cede_to_tick;
		2742	}
		2743
		2744	while (my ($face, $info) = each %$faces) {
		2745	next unless $info->{smooth};
		2746	my $idx = cf::face::find $face
		2747	or next;
		2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
		2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2751	} else {
		2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2753	}
		2754
		2755	cf::cede_to_tick;
		2756	}
		2757	}
		2758
		2759	{
		2760	my $anims = $facedata->{animinfo};
		2761
		2762	while (my ($anim, $info) = each %$anims) {
		2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
		2798	}
		2799
		2800	1
		2801	}
		2802
		2803	sub reload_regions {
		2804	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
		2811	}
		2812
		2813	sub reload_facedata {
		2814	load_facedata "$DATADIR/facedata"
		2815	or die "unable to load facedata\n";
		2816	}
		2817
		2818	sub reload_archetypes {
		2819	load_resource_file "$DATADIR/archetypes"
		2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
		2826	}
		2827
		2828	sub reload_treasures {
		2829	load_resource_file "$DATADIR/treasures"
		2830	or die "unable to load treasurelists\n";
		2831	}
		2832
		2833	sub reload_resources {
		2834	warn "reloading resource files...\n";
		2835
		2836	reload_regions;
		2837	reload_facedata;
		2838	#reload_archetypes;#d#
		2839	reload_archetypes;
		2840	reload_treasures;
		2841
		2842	warn "finished reloading resource files\n";
		2843	}
		2844
		2845	sub init {
		2846	reload_resources;
2282	}	2847	}
2283		2848
2284	sub cfg_load {	2849	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2851	or return;
2287		2852
2288	local $/;	2853	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2290		2855
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2863	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2864	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2865	};
2301	warn $@ if $@;	2866	warn $@ if $@;
2302	}	2867	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2868	}
2308		2869
2309	sub main {	2870	sub main {
2310	# we must not ever block the main coroutine	2871	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2872	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2875	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2876	})->prio (Coro::PRIO_MAX);
2316	};	2877	};
2317		2878
2318	cfg_load;	2879	cfg_load;
2319	db_load;	2880	db_init;
2320	load_extensions;	2881	load_extensions;
2321		2882
2322	$TICK_WATCHER->start;	2883	$TICK_WATCHER->start;
2323	Event::loop;	2884	Event::loop;
2324	}	2885	}
…		…
2339	},	2900	},
2340	);	2901	);
2341	}	2902	}
2342	}	2903	}
2343		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
		2941	}
		2942
2344	sub emergency_save() {	2943	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2346		2945
2347	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2348		2947
…		…
2363	my $map = $cf::MAP{$path} or next;	2962	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2963	$map->valid or next;
2365	$map->save;	2964	$map->save;
2366	}	2965	}
2367	warn "end emergency map save\n";	2966	warn "end emergency map save\n";
		2967
		2968	warn "begin emergency database checkpoint\n";
		2969	BDB::db_env_txn_checkpoint $DB_ENV;
		2970	warn "end emergency database checkpoint\n";
2368	};	2971	};
2369		2972
2370	warn "leave emergency perl save\n";	2973	warn "leave emergency perl save\n";
2371	}	2974	}
2372		2975
		2976	sub post_cleanup {
		2977	my ($make_core) = @_;
		2978
		2979	warn Carp::longmess "post_cleanup backtrace"
		2980	if $make_core;
		2981	}
		2982
2373	sub reload() {	2983	sub do_reload_perl() {
2374	# can/must only be called in main	2984	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	2986	warn "can only reload from main coroutine";
2377	return;	2987	return;
2378	}	2988	}
2379		2989
2380	warn "reloading...";	2990	warn "reloading...";
2381		2991
2382	warn "cancelling server ticker";	2992	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2993
		2994	cf::sync_job {
		2995	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2996	cf::emergency_save;
		2997	cf::write_runtime; # external watchdog should not bark
2386		2998
2387	eval {	2999	warn "syncing database to disk";
		3000	BDB::db_env_txn_checkpoint $DB_ENV;
		3001
2388	# if anything goes wrong in here, we should simply crash as we already saved	3002	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3003
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3004	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3005	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3006	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3007	}
2397		3008
2398	warn "flushing outstanding aio requests";	3009	warn "flushing outstanding aio requests";
2399	for (;;) {	3010	for (;;) {
		3011	BDB::flush;
2400	IO::AIO::flush;	3012	IO::AIO::flush;
2401	Coro::cede;	3013	Coro::cede;
2402	last unless IO::AIO::nreqs;	3014	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3015	warn "iterate...";
2404	}	3016	}
		3017
		3018	++$RELOAD;
2405		3019
2406	warn "cancelling all extension coros";	3020	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3022	%EXT_CORO = ();
2409		3023
2410	warn "removing commands";	3024	warn "removing commands";
2411	%COMMAND = ();	3025	%COMMAND = ();
2412		3026
2413	warn "removing ext commands";	3027	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2415		3030
2416	warn "unloading/nuking all extensions";	3031	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3033	warn "... unloading $pkg";
2419		3034
…		…
2449	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3066
2452	warn "unloading cf.pm \"a bit\"";	3067	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2454		3070
2455	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3072	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2458		3074
…		…
2462	require cf;	3078	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3080
2465	warn "loading config and database again";	3081	warn "loading config and database again";
2466	cf::cfg_load;	3082	cf::cfg_load;
2467	cf::db_load;
2468		3083
2469	warn "loading extensions";	3084	warn "loading extensions";
2470	cf::load_extensions;	3085	cf::load_extensions;
2471		3086
2472	warn "reattaching attachments to objects/players";	3087	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3088	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3089	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
		3091	warn "reattaching attachments to players";
		3092	reattach $_ for values %PLAYER;
2476		3093
2477	warn "loading reloadable resources";	3094	warn "leaving sync_job";
2478	load_resources;
2479		3095
2480	warn "restarting server ticker";	3096	1
2481		3097	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3098	warn $@;
2487	warn "error while reloading, exiting.";	3099	warn "error while reloading, exiting.";
2488	exit 1;	3100	exit 1;
2489	}	3101	};
2490		3102
2491	warn "reloaded";	3103	warn "reloaded";
2492	};	3104	};
2493		3105
2494	our $RELOAD_WATCHER; # used only during reload	3106	our $RELOAD_WATCHER; # used only during reload
2495		3107
		3108	sub reload_perl() {
		3109	# doing reload synchronously and two reloads happen back-to-back,
		3110	# coro crashes during coro_state_free->destroy here.
		3111
		3112	$RELOAD_WATCHER ||= Event->timer (
		3113	reentrant => 0,
		3114	after => 0,
		3115	data => WF_AUTOCANCEL,
		3116	cb => sub {
		3117	do_reload_perl;
		3118	undef $RELOAD_WATCHER;
		3119	},
		3120	);
		3121	}
		3122
2496	register_command "reload" => sub {	3123	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2498		3125
2499	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3127	$who->message ("reloading server.");
2501		3128	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3129	}
2515	};	3130	};
2516		3131
2517	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2518		3133
2519	my $bug_warning = 0;	3134	my $bug_warning = 0;
2520		3135
		3136	our @WAIT_FOR_TICK;
		3137	our @WAIT_FOR_TICK_BEGIN;
		3138
		3139	sub wait_for_tick {
		3140	return unless $TICK_WATCHER->is_active;
		3141	return if $Coro::current == $Coro::main;
		3142
		3143	my $signal = new Coro::Signal;
		3144	push @WAIT_FOR_TICK, $signal;
		3145	$signal->wait;
		3146	}
		3147
		3148	sub wait_for_tick_begin {
		3149	return unless $TICK_WATCHER->is_active;
		3150	return if $Coro::current == $Coro::main;
		3151
		3152	my $signal = new Coro::Signal;
		3153	push @WAIT_FOR_TICK_BEGIN, $signal;
		3154	$signal->wait;
		3155	}
		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3160	reentrant => 0,
2523	parked => 1,	3161	parked => 1,
2524	prio => 0,	3162	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3168	unless ++$bug_warning > 10;
2531	return;	3169	return;
2532	}	3170	}
2533		3171
2534	$NOW = Event::time;	3172	$NOW = $tick_start = Event::time;
2535		3173
2536	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
		3198
2537	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2539		3201
2540	$WAIT_FOR_TICK->broadcast;	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3204	Coro::async_pool {
2543	Event::sweep;	3205	write_runtime
2544	Coro::cede_notself;	3206	or warn "ERROR: unable to write runtime file: $!";
		3207	};
2545		3208	}
		3209
2546	# my $AFTER = Event::time;	3210	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3211	# warn $AFTER - $NOW;#d#
2548		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
		3221
2549	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3224
2552	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
		3227
		3228	$LOAD = ($NOW - $tick_start) / $TICK;
		3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3230
		3231	_post_tick;
		3232
		3233
2554	},	3234	},
2555	);	3235	);
2556		3236
		3237	{
		3238	BDB::max_poll_time $TICK * 0.1;
		3239	$BDB_POLL_WATCHER = Event->io (
		3240	reentrant => 0,
		3241	fd => BDB::poll_fileno,
		3242	poll => 'r',
		3243	prio => 0,
		3244	data => WF_AUTOCANCEL,
		3245	cb => \&BDB::poll_cb,
		3246	);
		3247	BDB::min_parallel 8;
		3248
		3249	BDB::set_sync_prepare {
		3250	my $status;
		3251	my $current = $Coro::current;
		3252	(
		3253	sub {
		3254	$status = $!;
		3255	$current->ready; undef $current;
		3256	},
		3257	sub {
		3258	Coro::schedule while defined $current;
		3259	$! = $status;
		3260	},
		3261	)
		3262	};
		3263
		3264	unless ($DB_ENV) {
		3265	$DB_ENV = BDB::db_env_create;
		3266
		3267	cf::sync_job {
		3268	eval {
		3269	BDB::db_env_open
		3270	$DB_ENV,
		3271	$BDBDIR,
		3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3274	0666;
		3275
		3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3277
		3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3279	$DB_ENV->set_lk_detect;
		3280	};
		3281
		3282	cf::cleanup "db_env_open(db): $@" if $@;
		3283	};
		3284	}
		3285	}
		3286
		3287	{
		3288	IO::AIO::min_parallel 8;
		3289
		3290	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3291	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3292	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3293	reentrant => 0,
		3294	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3295	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3296	poll => 'r',
2564	prio => 6,	3297	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3298	cb => \&IO::AIO::poll_cb,
2567	);	3299	);
		3300	}
2568		3301
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3302	my $_log_backtrace;
2570	reentrant => 0,	3303
2571	data => WF_AUTOCANCEL,	3304	sub _log_backtrace {
2572	after => 1,	3305	my ($msg, @addr) = @_;
2573	interval => 10,	3306
2574	prio => 6, # keep it lowest so it acts like a watchdog	3307	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3308
2576	write_runtime	3309	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3337	}
2579	);	3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
2580		3342
2581	END { cf::emergency_save }	3343	END { cf::emergency_save }
2582		3344
2583	1	3345	1
2584		3346

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