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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.319 by root, Tue Jul 24 15:56:45 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 3.3 ();	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;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		94
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		101
68	binmode STDOUT;	102	binmode STDOUT;
69	binmode STDERR;	103	binmode STDERR;
70		104
71	# read virtual server time, if available	105	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
76	}	110	}
77		111
78	mkdir cf::localdir;	112	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		114
84	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
85		118
86	#############################################################################	119	#############################################################################
87		120
88	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
89		122
…		…
96	=item $cf::RUNTIME	129	=item $cf::RUNTIME
97		130
98	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
99	every server tick.	132	every server tick.
100		133
101	=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
102		137
103	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		142
106	=item $cf::NOW	143	=item $cf::NOW
107		144
108	The time of the last (current) server tick.	145	The time of the last (current) server tick.
109		146
110	=item $cf::TICK	147	=item $cf::TICK
111		148
112	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.
113		160
114	=item %cf::CFG	161	=item %cf::CFG
115		162
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	164	from wherever your confdir points to.
118		165
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		167
121	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
122	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
123	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.
124	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.
125		177
126	=back	178	=back
127		179
128	=cut	180	=cut
129		181
130	BEGIN {	182	BEGIN {
131	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	184	my $msg = join "", @_;
133	utf8::encode $msg;
134		185
135	$msg .= "\n"	186	$msg .= "\n"
136	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
137		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
138	LOG llevError, $msg;	192	LOG llevError, $msg;
139	};	193	};
140	}	194	}
141		195
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		203
149	# 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
150	# within the Safe compartment.	205	# within the Safe compartment.
151	for my $pkg (qw(	206	for my $pkg (qw(
152	cf::global cf::attachable	207	cf::global cf::attachable
…		…
160	}	215	}
161		216
162	$Event::DIED = sub {	217	$Event::DIED = sub {
163	warn "error in event callback: @_";	218	warn "error in event callback: @_";
164	};	219	};
		220
		221	#############################################################################
165		222
166	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
167		224
168	=over 4	225	=over 4
169		226
…		…
188	$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;
189	$d	246	$d
190	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
191	}	248	}
192		249
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
196		251
197	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
198		253
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
207		255
208	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
209		257
210	=cut	258	=cut
211		259
212	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
214	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
216		264
217	=item cf::lock_wait $string	265	=item cf::lock_wait $string
218		266
219	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
220		268
…		…
226	returned.	274	returned.
227		275
228	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
229	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
230		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
231	=cut	283	=cut
232		284
233	our %LOCK;	285	our %LOCK;
234		286
235	sub lock_wait($) {	287	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
256	}	308	}
257	}	309	}
258		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
259	sub freeze_mainloop {	317	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
261		319
262	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
263	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
264	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
265	}	381	}
266		382
267	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
268		384
269	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		390
275	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
276		392
277	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
278		394
279	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
282		399
283	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
286	fast or be very important.	403	fast or be very important.
…		…
289		406
290	sub sync_job(&) {	407	sub sync_job(&) {
291	my ($job) = @_;	408	my ($job) = @_;
292		409
293	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
294	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
296		415
297	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
309		428
310	while ($busy) {	429	while ($busy) {
311	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
312	}	431	}
313		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
314	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
315	} else {	441	} else {
316	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
317		443
318	$job->()	444	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
338		464
339	$coro	465	$coro
340	}	466	}
341		467
342	sub write_runtime {	468	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		469
345	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
346		474
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
348	or return;
349		476
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	477	sub _store_scalar {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	open my $fh, ">", \my $buf
352	and return;	479	or die "fork_call: cannot open fh-to-buf in child : $!";
353		480	Storable::store_fd $_[0], $fh;
354	aio_fsync $fh
355	and return;
356
357	close $fh	481	close $fh;
358	or return;
359		482
360	aio_rename "$runtime~", $runtime	483	$buf
361	and return;	484	}
362		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
363	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	655	}
365		656
366	=back	657	=back
367		658
368	=cut	659	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
377		668
378	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	671	Crossfire TRT).
381		672
382	=over 4	673	=over 4
383		674
384	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
385		676
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	791	our @CB_MAP = ();
501		792
502	my %attachment;	793	my %attachment;
503		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
504	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
506		803
507	use sort 'stable';	804	use sort 'stable';
508		805
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
543		840
544	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		845
549	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	847	my $pkg = shift @arg;
551		848
552	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
582	}	879	}
583		880
584	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
585	} else {	882	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	884	}
588		885
589	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
590	}	887	}
591		888
…		…
593	if (ref $_[0]) {	890	if (ref $_[0]) {
594	_object_attach @_;	891	_object_attach @_;
595	} else {	892	} else {
596	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
597	}	894	}
		895	_recalc_want;
598	};	896	};
599		897
600	# all those should be optimised	898	# all those should be optimised
601	sub cf::attachable::detach {	899	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
606	reattach ($obj);	904	reattach ($obj);
607	} else {	905	} else {
608	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
609	}	907	}
		908	_recalc_want;
610	};	909	};
611		910
612	sub cf::attachable::attached {	911	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
614		913
…		…
629	";	928	";
630	die if $@;	929	die if $@;
631	}	930	}
632		931
633	our $override;	932	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		934
636	sub override {	935	sub override {
637	$override = 1;	936	$override = 1;
638	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
639	}	938	}
640		939
641	sub do_invoke {	940	sub do_invoke {
642	my $event = shift;	941	my $event = shift;
643	my $callbacks = shift;	942	my $callbacks = shift;
644		943
645	@invoke_results = ();	944	@INVOKE_RESULTS = ();
646		945
647	local $override;	946	local $override;
648		947
649	for (@$callbacks) {	948	for (@$callbacks) {
650	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
667		966
668	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
669		968
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		972
674	=back	973	=back
675		974
676	=cut	975	=cut
677		976
678	#############################################################################	977	#############################################################################
679	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
680		990
681	sub reattach {	991	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		996
685	my $registry = $obj->registry;	997	my $registry = $obj->registry;
686		998
687	@$registry = ();	999	@$registry = ();
688		1000
…		…
735	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
736		1048
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1053	close $fh;
742		1054
743	if (@$objs) {	1055	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1061	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
751	}	1063	}
752	} else {	1064	} else {
753	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
785	or return;	1097	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1099	}
788		1100
789	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1103	return ($data, $av);
792	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
793		1111
794	#############################################################################	1112	#############################################################################
795	# command handling &c	1113	# command handling &c
796		1114
797	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1129	}
812		1130
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1132
815	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
816		1138
817	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
818	called.	1140	called.
819		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
820	=cut	1153	=cut
821		1154
822	sub register_extcmd {	1155	sub register_extcmd {
823	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
824		1157
825	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
826	}	1165	}
827		1166
828	cf::player->attach (	1167	cf::player->attach (
829	on_command => sub {	1168	on_command => sub {
830	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1178	cf::override;
840	},	1179	},
841	on_extcmd => sub {	1180	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
843		1182
844	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1184
846	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
849	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
850	}	1195	if $reply;
851	}	1196	}
852	} else {	1197	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1199	}
855		1200
856	cf::override;	1201	cf::override;
857	},	1202	},
858	);	1203	);
859		1204
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
895	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1210	next unless -r $path;
897	eval {	1211
898	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
899	1	1269	}
900	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
901	}	1275	};
902	}	1276	}
903		1277
904	#############################################################################	1278	#############################################################################
905	# load/save/clean perl data associated with a map
906		1279
907	*cf::mapsupport::on_clean = sub {	1280	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1281
920	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
921		1283
922	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
923		1285
…		…
936	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
937		1299
938	=cut	1300	=cut
939		1301
940	sub playerdir($) {	1302	sub playerdir($) {
941	cf::localdir	1303	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1305	}
947		1306
948	sub path($) {	1307	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1309
951	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
952	}	1311	}
953		1312
954	sub find_active($) {	1313	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
959		1318
960	sub exists($) {	1319	sub exists($) {
961	my ($login) = @_;	1320	my ($login) = @_;
962		1321
963	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
965	}	1324	}
966		1325
967	sub find($) {	1326	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1328	my $login = $_[0];
970		1329
971	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
972		1331
973	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
974	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
975	or return;	1341	or return;
976	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
977	}	1343	}
978	}	1344	}
…		…
1015		1381
1016	=cut	1382	=cut
1017		1383
1018	sub quit_character {	1384	sub quit_character {
1019	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1020		1388
1021	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1391
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1034	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1035	}	1423	}
1036		1424
1037	=item cf::player::list_logins	1425	=item cf::player::list_logins
1038		1426
1039	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1041		1429
1042	=cut	1430	=cut
1043		1431
1044	sub list_logins {	1432	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1434	or return [];
1047		1435
1048	my @logins;	1436	my @logins;
1049		1437
1050	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1067	=cut	1455	=cut
1068		1456
1069	sub maps($) {	1457	sub maps($) {
1070	my ($pl) = @_;	1458	my ($pl) = @_;
1071		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
		1461
1072	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1073	or return;	1463	or return;
1074		1464
1075	my @paths;	1465	my @paths;
1076		1466
1077	for (@$files) {	1467	for (@$files) {
1078	utf8::decode $_;	1468	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1081		1471
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1472	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1473	}
1084		1474
1085	\@paths	1475	\@paths
1086	}	1476	}
1087		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1089		1529
1090	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1091		1531
1092	=cut	1532	=cut
1093		1533
1094	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1096		1536
1097	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1098		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1099	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1100	}	1544	}
1101		1545
1102	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1103		1586
1104	=back	1587	=back
1105
1106		1588
1107	=head3 cf::map	1589	=head3 cf::map
1108		1590
1109	=over 4	1591	=over 4
1110		1592
…		…
1114		1596
1115	use Fcntl;	1597	use Fcntl;
1116	use Coro::AIO;	1598	use Coro::AIO;
1117		1599
1118	use overload	1600	use overload
1119	'""' => \&as_string;	1601	'""' => \&as_string,
		1602	fallback => 1;
1120		1603
1121	our $MAX_RESET = 3600;	1604	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1605	our $DEFAULT_RESET = 3000;
1123		1606
1124	sub generate_random_map {	1607	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1608	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1609	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1610	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1622	)
1141	}	1623	}
1142		1624
		1625	=item cf::map->register ($regex, $prio)
		1626
		1627	Register a handler for the map path matching the given regex at the
		1628	givne priority (higher is better, built-in handlers have priority 0, the
		1629	default).
		1630
		1631	=cut
		1632
1143	sub register {	1633	sub register {
1144	my (undef, $regex) = @_;	1634	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1635	my $pkg = caller;
1146		1636
1147	no strict;	1637	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1638	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1639
1150	$EXT_MAP{$pkg} = qr<$regex>;	1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1641	}
1152		1642
1153	# also paths starting with '/'	1643	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1645
		1646	sub thawer_merge {
		1647	my ($self, $merge) = @_;
		1648
		1649	# we have to keep some variables in memory intact
		1650	local $self->{path};
		1651	local $self->{load_path};
		1652
		1653	$self->SUPER::thawer_merge ($merge);
		1654	}
1155		1655
1156	sub normalise {	1656	sub normalise {
1157	my ($path, $base) = @_;	1657	my ($path, $base) = @_;
		1658
		1659	$path = "$path"; # make sure its a string
		1660
		1661	$path =~ s/\.map$//;
1158		1662
1159	# map plan:	1663	# map plan:
1160	#	1664	#
1161	# /! non-realised random map exit (special hack!)	1665	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1666	# {... are special paths that are not being touched
…		…
1190		1694
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1695	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1696
1193	$path = normalise $path, $base;	1697	$path = normalise $path, $base;
1194		1698
1195	for my $pkg (keys %EXT_MAP) {	1699	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1700	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1701	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1702	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1200	return $self;	1704	return $self;
1201	}	1705	}
1202	}	1706	}
1203		1707
1204	Carp::carp "unable to resolve path '$path'.";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1709	()
1206	}	1710	}
1207		1711
1208	sub init {	1712	sub init {
1209	my ($self) = @_;	1713	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1724	# the displayed name, this is a one way mapping
1221	sub visible_name {	1725	sub visible_name {
1222	&as_string	1726	&as_string
1223	}	1727	}
1224		1728
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1729	# the original (read-only) location
1233	sub load_path {	1730	sub load_path {
1234	my ($self) = @_;	1731	my ($self) = @_;
1235		1732
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1237	}	1734	}
1238		1735
1239	# the temporary/swap location	1736	# the temporary/swap location
1240	sub save_path {	1737	sub save_path {
1241	my ($self) = @_;	1738	my ($self) = @_;
1242		1739
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1741	"$TMPDIR/$path.map"
1244	}	1742	}
1245		1743
1246	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1247	sub uniq_path {	1745	sub uniq_path {
1248	my ($self) = @_;	1746	my ($self) = @_;
1249		1747
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1749	"$UNIQUEDIR/$path"
1251	}	1750	}
1252		1751
1253	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1254	# all maps in C++...	1753	# all maps in C++...
1255	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1257		1756
1258	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1260	}	1759	}
1261		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1262	sub unlink_save {	1769	sub unlink_save {
1263	my ($self) = @_;	1770	my ($self) = @_;
1264		1771
1265	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1774	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1775	}
1269		1776
1270	sub load_header_from($) {	1777	sub load_header_from($) {
1271	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1272		1779
1273	utf8::encode $path;	1780	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
1275	or return;	1782	# or return;
1276		1783
1277	$self->_load_header ($path)	1784	$self->_load_header ($path)
1278	or return;	1785	or return;
1279		1786
1280	$self->{load_path} = $path;	1787	$self->{load_path} = $path;
1281		1788
1282	1	1789	1
1283	}	1790	}
1284		1791
1285	sub load_orig {	1792	sub load_header_orig {
1286	my ($self) = @_;	1793	my ($self) = @_;
1287		1794
1288	$self->load_header_from ($self->load_path)	1795	$self->load_header_from ($self->load_path)
1289	}	1796	}
1290		1797
1291	sub load_temp {	1798	sub load_header_temp {
1292	my ($self) = @_;	1799	my ($self) = @_;
1293		1800
1294	$self->load_header_from ($self->save_path)	1801	$self->load_header_from ($self->save_path)
		1802	}
		1803
		1804	sub prepare_temp {
		1805	my ($self) = @_;
		1806
		1807	$self->last_access ((delete $self->{last_access})
		1808	|| $cf::RUNTIME); #d#
		1809	# safety
		1810	$self->{instantiate_time} = $cf::RUNTIME
		1811	if $self->{instantiate_time} > $cf::RUNTIME;
		1812	}
		1813
		1814	sub prepare_orig {
		1815	my ($self) = @_;
		1816
		1817	$self->{load_original} = 1;
		1818	$self->{instantiate_time} = $cf::RUNTIME;
		1819	$self->last_access ($cf::RUNTIME);
		1820	$self->instantiate;
1295	}	1821	}
1296		1822
1297	sub load_header {	1823	sub load_header {
1298	my ($self) = @_;	1824	my ($self) = @_;
1299		1825
1300	if ($self->load_temp) {	1826	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1827	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1828	} else {
1307	$self->load_orig	1829	$self->load_header_orig
1308	or return;	1830	or return;
1309		1831	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1832	}
		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
1315		1839
1316	1	1840	1
1317	}	1841	}
1318		1842
1319	sub find;	1843	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1333		1857
1334	$map->load_header	1858	$map->load_header
1335	or return;	1859	or return;
1336		1860
1337	if ($map->should_reset) {	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1862	# doing this can freeze the server in a sync job, obviously
		1863	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1864	$map->reset;
1339	undef $guard;	1865	undef $guard;
1340	$map = find $path	1866	return find $path;
1341	or return;
1342	}	1867	}
1343		1868
1344	$cf::MAP{$path} = $map	1869	$cf::MAP{$path} = $map
1345	}	1870	}
1346	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1347		1875
1348	sub load {	1876	sub load {
1349	my ($self) = @_;	1877	my ($self) = @_;
1350		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1351	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1353		1885
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1887
1356	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1357		1889
1358	$self->alloc;	1890	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)
1360	or return;
1361		1891
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1892	$self->pre_load;
1363	if delete $self->{load_original};
1364
1365	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);
1370	}
1371	}
1372
1373	Coro::cede;
1374
1375	# now do the right thing for maps
1376	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;	1893	Coro::cede;
1383	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1384	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1913	unless $self->difficulty;
1386	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1387	$self->activate;	1923	$self->activate;
1388	}	1924	}
1389		1925
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1926	$self->in_memory (cf::MAP_IN_MEMORY);
		1927	}
		1928
		1929	$self->post_load;
1391	}	1930	}
1392		1931
1393	sub customise_for {	1932	sub customise_for {
1394	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1395		1934
1396	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1398		1940
1399	$self	1941	$self
1400	}	1942	}
1401		1943
1402	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1434		1976
1435	cf::sync_job { $map->load };	1977	cf::sync_job { $map->load };
1436	}	1978	}
1437		1979
1438	our %MAP_PREFETCH;	1980	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1981	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		1982
1452	sub find_async {	1983	sub find_async {
1453	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1454		1985
1455	$path = normalise $path, $origin && $origin->{path};	1986	$path = normalise $path, $origin && $origin->{path};
1456		1987
1457	if (my $map = $cf::MAP{$path}) {	1988	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	1990	}
1460		1991
1461	$MAP_PREFETCH{$path} = 0;	1992	undef $MAP_PREFETCH{$path};
		1993	$MAP_PREFETCHER ||= cf::async {
		1994	while (%MAP_PREFETCH) {
		1995	for my $path (keys %MAP_PREFETCH) {
		1996	if (my $map = find $path) {
		1997	$map->load;
		1998	}
		1999
		2000	delete $MAP_PREFETCH{$path};
		2001	}
		2002	}
		2003	undef $MAP_PREFETCHER;
		2004	};
1462	$MAP_PREFETCHER->ready;	2005	$MAP_PREFETCHER->prio (6);
1463		2006
1464	()	2007	()
1465	}	2008	}
1466		2009
1467	sub save {	2010	sub save {
…		…
1512		2055
1513	sub reset_at {	2056	sub reset_at {
1514	my ($self) = @_;	2057	my ($self) = @_;
1515		2058
1516	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1519		2061
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2064
…		…
1527	my ($self) = @_;	2069	my ($self) = @_;
1528		2070
1529	$self->reset_at <= $cf::RUNTIME	2071	$self->reset_at <= $cf::RUNTIME
1530	}	2072	}
1531		2073
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2074	sub reset {
1547	my ($self) = @_;	2075	my ($self) = @_;
1548		2076
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2078
1551	return if $self->players;	2079	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2080
1554	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
		2082
		2083	$self->in_memory (cf::MAP_SWAPPED);
		2084
		2085	# need to save uniques path
		2086	unless ($self->{deny_save}) {
		2087	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2088
		2089	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2090	if $uniq;
		2091	}
1555		2092
1556	delete $cf::MAP{$self->path};	2093	delete $cf::MAP{$self->path};
		2094
		2095	$self->clear;
1557		2096
1558	$_->clear_links_to ($self) for values %cf::MAP;	2097	$_->clear_links_to ($self) for values %cf::MAP;
1559		2098
1560	$self->unlink_save;	2099	$self->unlink_save;
1561	$self->destroy;	2100	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	2103	my $nuke_counter = "aaaa";
1565		2104
1566	sub nuke {	2105	sub nuke {
1567	my ($self) = @_;	2106	my ($self) = @_;
1568		2107
		2108	delete $cf::MAP{$self->path};
		2109
		2110	$self->unlink_save;
		2111
		2112	bless $self, "cf::map";
		2113	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2114	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2115	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2117
		2118	$cf::MAP{$self->path} = $self;
		2119
1572	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
		2121	}
		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
1573	}	2157	}
1574		2158
1575	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1576		2160
1577	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2162	instantiated unique items. May block.
1579		2163
1580	=cut	2164	=cut
1581		2165
1582	sub unique_maps() {	2166	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1584	or return;	2168	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2169	utf8::decode $_;
1590	next if /\.pst$/;	2170	/\.map$/
1591	next unless /^$PATH_SEP/o;	2171	? normalise $_
1592		2172	: ()
1593	push @paths, $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2174	]
1595
1596	\@paths
1597	}	2175	}
1598		2176
1599	package cf;	2177	package cf;
1600		2178
1601	=back	2179	=back
…		…
1647		2225
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2227
1650	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1652	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1655	}	2242	}
1656	}	2243	}
1657		2244
1658	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1659		2246
…		…
1692	=cut	2279	=cut
1693		2280
1694	sub link_map {	2281	sub link_map {
1695	unless ($LINK_MAP) {	2282	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2283	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2284	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2285	$LINK_MAP->load;
1699	}	2286	}
1700		2287
1701	$LINK_MAP	2288	$LINK_MAP
1702	}	2289	}
…		…
1707	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1708		2295
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2297
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1713		2300
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2302	}
1716		2303
1717	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1719		2308
1720	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1721		2310
1722	unless ($map) {	2311	unless ($map) {
1723	# restore original map position	2312	# restore original map position
…		…
1741	$map->load;	2330	$map->load;
1742	$map->load_diag;	2331	$map->load_diag;
1743		2332
1744	return unless $self->contr->active;	2333	return unless $self->contr->active;
1745	$self->activate_recursive;	2334	$self->activate_recursive;
		2335
		2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1747	}	2338	}
1748		2339
1749	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2341
1753	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1757	};	2346	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2347
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1784		2351
1785	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2357
1788	$self->enter_link;	2358	$self->enter_link;
1789		2359
1790	(async {	2360	(async {
		2361	my $map = eval {
1791	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
1793		2366	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2367	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
1798		2370
		2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
		2377	}
		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1800	})->prio (1);	2385	})->prio (1);
1801	}	2386	}
1802		2387
1803	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1804		2389
…		…
1806		2391
1807	sub parse_random_map_params {	2392	sub parse_random_map_params {
1808	my ($spec) = @_;	2393	my ($spec) = @_;
1809		2394
1810	my $rmp = { # defaults	2395	my $rmp = { # defaults
1811	xsize => 10,	2396	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2397	ysize => (cf::rndm 15, 40),
		2398	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2399	#layout => string,
1813	};	2400	};
1814		2401
1815	for (split /\n/, $spec) {	2402	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2403	my ($k, $v) = split /\s+/, $_, 2;
1817		2404
…		…
1821	$rmp	2408	$rmp
1822	}	2409	}
1823		2410
1824	sub prepare_random_map {	2411	sub prepare_random_map {
1825	my ($exit) = @_;	2412	my ($exit) = @_;
		2413
		2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2415
1827	# all this does is basically replace the /! path by	2416	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2417	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2418	# that depends on the exit object
1830		2419
1831	my $rmp = parse_random_map_params $exit->msg;	2420	my $rmp = parse_random_map_params $exit->msg;
1832		2421
1833	if ($exit->map) {	2422	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2423	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2424	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2425	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2426	$rmp->{origin_y} = $exit->y;
1838	}	2427	}
1839		2428
1840	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1841		2430
1842	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
		2433	my $meta = "$RANDOMDIR/$md5.meta";
1844		2434
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
		2437	undef $fh;
		2438	aio_rename "$meta~", $meta;
1847		2439
1848	$exit->slaying ("?random/$md5");	2440	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2441	$exit->msg (undef);
1850	}	2442	}
1851	}	2443	}
…		…
1853	sub cf::object::player::enter_exit {	2445	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2446	my ($self, $exit) = @_;
1855		2447
1856	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1857		2449
		2450	if ($exit->slaying eq "/!") {
		2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
		2454	cf::sync_job { prepare_random_map $exit };
		2455	}
		2456
		2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2458	my $hp = $exit->stats->hp;
		2459	my $sp = $exit->stats->sp;
		2460
1858	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1859		2466
1860	(async {	2467	(async {
1861	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2469	unless (eval {
1863	prepare_random_map $exit	2470	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2471
1869	1;	2472	1;
1870	}) {	2473	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2478
1876	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2480	$self->leave_link;
1878	}	2481	}
1879	})->prio (1);	2482	})->prio (1);
…		…
1892		2495
1893	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1895		2498
1896	utf8::encode $text;	2499	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2501	}
1899		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
		2569	push @msg, msgtype => "event_$type";
		2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
		2572	}
1900		2573
1901	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
1902		2575
1903	Queues a query to the client, calling the given callback with	2576	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2579
1907	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2581	become reliable at some point in the future.
1909		2582
1910	=cut	2583	=cut
1911		2584
1912	sub cf::client::query {	2585	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2594	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2596
1924	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
1926	}	2601	}
1927		2602
1928	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
1929	on_reply => sub {	2609	on_reply => sub {
1930	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
1931		2611
1932	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
1933	# get handled first	2613	# get handled first
1934	my $queue = delete $ns->{query_queue}	2614	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2615	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2616
1937	(shift @$queue)->[1]->($msg);	2617	(shift @$queue)->[1]->($msg);
		2618	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2619
1939	push @{ $ns->{query_queue} }, @$queue;	2620	push @{ $ns->{query_queue} }, @$queue;
1940		2621
1941	if (@{ $ns->{query_queue} } == @$queue) {	2622	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2623	if (@$queue) {
…		…
1944	} else {	2625	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2627	}
1947	}	2628	}
1948	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
1949	);	2653	);
1950		2654
1951	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
1952		2656
1953	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2000		2704
2001	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2002		2706
2003	=pod	2707	=pod
2004		2708
2005	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2006		2710
2007	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2008	cf::object::player player	2715	cf::object::player
2009	cf::player peaceful	2716	player
2010	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2011		2723
2012	=cut	2724	=cut
2013		2725
2014	for (	2726	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2016	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2019	) {	2732	) {
2020	no strict 'refs';	2733	no strict 'refs';
…		…
2091	=back	2804	=back
2092		2805
2093	=cut	2806	=cut
2094		2807
2095	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
2096		2810
2097	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
2098		2813
2099	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
2100	currently store anything that can be serialised using Storable, which
2101	excludes objects.
2102		2815
2103	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
2104	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
2105		2819
2106	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
2107		2821
2108	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2109		2824
2110	Return a hashref for use by the extension C<$family>, which can be
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113
2114	=item $value = cf::db_get $family => $key
2115
2116	Returns a single value from the database
2117
2118	=item cf::db_put $family => $hashref
2119
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2146		2827
2147	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2148		2834
2149	sub db_save() {	2835	cf::cede_to_tick;
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});
2169
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}
2174
2175	sub db_get($;$) {
2176	@_ >= 2
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180
2181	sub db_put($$;$) {
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	2836	}
2195	);
2196	}
2197		2837
2198	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	while (my ($name, $info) = each %$res) {
		2871	my $meta = $enc->encode ({
		2872	name => $name,
		2873	copyright => $info->{copyright}, #TODO#
		2874	});
		2875
		2876	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2877
		2878	if ($info->{type} & 1) {
		2879	# prepend meta info
		2880
		2881	my $data = pack "(w/a*)*", $meta, $info->{data};
		2882	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2883
		2884	cf::face::set_data $idx, 0, $data, $chk;
		2885	} else {
		2886	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2887	}
		2888
		2889	cf::face::set_type $idx, $info->{type};
		2890
		2891	cf::cede_to_tick;
		2892	}
		2893	}
		2894
		2895	1
		2896	}
		2897
		2898	register_exticmd fx_want => sub {
		2899	my ($ns, $want) = @_;
		2900
		2901	while (my ($k, $v) = each %$want) {
		2902	$ns->fx_want ($k, $v);
		2903	}
		2904	};
		2905
		2906	sub reload_regions {
		2907	load_resource_file "$MAPDIR/regions"
		2908	or die "unable to load regions file\n";
		2909
		2910	for (cf::region::list) {
		2911	$_->{match} = qr/$_->{match}/
		2912	if exists $_->{match};
		2913	}
		2914	}
		2915
		2916	sub reload_facedata {
		2917	load_facedata "$DATADIR/facedata"
		2918	or die "unable to load facedata\n";
		2919	}
		2920
		2921	sub reload_archetypes {
		2922	load_resource_file "$DATADIR/archetypes"
		2923	or die "unable to load archetypes\n";
		2924	#d# NEED to laod twice to resolve forward references
		2925	# this really needs to be done in an extra post-pass
		2926	# (which needs to be synchronous, so solve it differently)
		2927	load_resource_file "$DATADIR/archetypes"
		2928	or die "unable to load archetypes\n";
		2929	}
		2930
		2931	sub reload_treasures {
		2932	load_resource_file "$DATADIR/treasures"
		2933	or die "unable to load treasurelists\n";
		2934	}
		2935
		2936	sub reload_resources {
		2937	warn "reloading resource files...\n";
		2938
		2939	reload_regions;
		2940	reload_facedata;
		2941	#reload_archetypes;#d#
		2942	reload_archetypes;
		2943	reload_treasures;
		2944
		2945	warn "finished reloading resource files\n";
		2946	}
		2947
		2948	sub init {
		2949	reload_resources;
		2950	}
2200		2951
2201	sub cfg_load {	2952	sub cfg_load {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	2953	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	2954	or return;
2204		2955
2205	local $/;	2956	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	2957	*CFG = YAML::Syck::Load <$fh>;
2207		2958
…		…
2221		2972
2222	sub main {	2973	sub main {
2223	# we must not ever block the main coroutine	2974	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	2975	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2976	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2977	(async {
2226	async { Event::one_event };	2978	Event::one_event;
		2979	})->prio (Coro::PRIO_MAX);
2227	};	2980	};
2228		2981
2229	cfg_load;	2982	cfg_load;
2230	db_load;	2983	db_init;
2231	load_extensions;	2984	load_extensions;
		2985
		2986	$TICK_WATCHER->start;
2232	Event::loop;	2987	Event::loop;
2233	}	2988	}
2234		2989
2235	#############################################################################	2990	#############################################################################
2236	# initialisation and cleanup	2991	# initialisation and cleanup
2237		2992
2238	# install some emergency cleanup handlers	2993	# install some emergency cleanup handlers
2239	BEGIN {	2994	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	2995	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	2996	Event->signal (
		2997	reentrant => 0,
2242	data => WF_AUTOCANCEL,	2998	data => WF_AUTOCANCEL,
2243	signal => $signal,	2999	signal => $signal,
		3000	prio => 0,
2244	cb => sub {	3001	cb => sub {
2245	cf::cleanup "SIG$signal";	3002	cf::cleanup "SIG$signal";
2246	},	3003	},
2247	);	3004	);
2248	}	3005	}
2249	}	3006	}
2250		3007
		3008	sub write_runtime {
		3009	my $runtime = "$LOCALDIR/runtime";
		3010
		3011	# first touch the runtime file to show we are still running:
		3012	# the fsync below can take a very very long time.
		3013
		3014	IO::AIO::aio_utime $runtime, undef, undef;
		3015
		3016	my $guard = cf::lock_acquire "write_runtime";
		3017
		3018	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3019	or return;
		3020
		3021	my $value = $cf::RUNTIME + 90 + 10;
		3022	# 10 is the runtime save interval, for a monotonic clock
		3023	# 60 allows for the watchdog to kill the server.
		3024
		3025	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3026	and return;
		3027
		3028	# always fsync - this file is important
		3029	aio_fsync $fh
		3030	and return;
		3031
		3032	# touch it again to show we are up-to-date
		3033	aio_utime $fh, undef, undef;
		3034
		3035	close $fh
		3036	or return;
		3037
		3038	aio_rename "$runtime~", $runtime
		3039	and return;
		3040
		3041	warn "runtime file written.\n";
		3042
		3043	1
		3044	}
		3045
2251	sub emergency_save() {	3046	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3047	my $freeze_guard = cf::freeze_mainloop;
2253		3048
2254	warn "enter emergency perl save\n";	3049	warn "enter emergency perl save\n";
2255		3050
2256	cf::sync_job {	3051	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3052	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3053	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3054	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3055	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3056	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3057	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3058	$pl->valid or next;
2264	$pl->save;	3059	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3065	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3066	$map->valid or next;
2272	$map->save;	3067	$map->save;
2273	}	3068	}
2274	warn "end emergency map save\n";	3069	warn "end emergency map save\n";
		3070
		3071	warn "begin emergency database checkpoint\n";
		3072	BDB::db_env_txn_checkpoint $DB_ENV;
		3073	warn "end emergency database checkpoint\n";
2275	};	3074	};
2276		3075
2277	warn "leave emergency perl save\n";	3076	warn "leave emergency perl save\n";
2278	}	3077	}
2279		3078
		3079	sub post_cleanup {
		3080	my ($make_core) = @_;
		3081
		3082	warn Carp::longmess "post_cleanup backtrace"
		3083	if $make_core;
		3084	}
		3085
2280	sub reload() {	3086	sub do_reload_perl() {
2281	# can/must only be called in main	3087	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3088	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3089	warn "can only reload from main coroutine";
2284	return;	3090	return;
2285	}	3091	}
2286		3092
2287	warn "reloading...";	3093	warn "reloading...";
2288		3094
2289	warn "freezing server";	3095	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3096
		3097	cf::sync_job {
		3098	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3099	cf::emergency_save;
		3100	cf::write_runtime; # external watchdog should not bark
2292		3101
2293	warn "sync database to disk";	3102	warn "syncing database to disk";
2294	cf::db_sync;	3103	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3104
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3105	# if anything goes wrong in here, we should simply crash as we already saved
2299		3106
2300	warn "cancel all watchers";	3107	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3108	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3109	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3110	}
2304		3111
		3112	warn "flushing outstanding aio requests";
		3113	for (;;) {
		3114	BDB::flush;
		3115	IO::AIO::flush;
		3116	Coro::cede;
		3117	last unless IO::AIO::nreqs || BDB::nreqs;
		3118	warn "iterate...";
		3119	}
		3120
		3121	++$RELOAD;
		3122
2305	warn "cancel all extension coros";	3123	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3124	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3125	%EXT_CORO = ();
2308		3126
2309	warn "remove commands";	3127	warn "removing commands";
2310	%COMMAND = ();	3128	%COMMAND = ();
2311		3129
2312	warn "remove ext commands";	3130	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3131	%EXTCMD = ();
		3132	%EXTICMD = ();
2314		3133
2315	warn "unload/nuke all extensions";	3134	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3135	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3136	warn "... unloading $pkg";
2318		3137
2319	if (my $cb = $pkg->can ("unload")) {	3138	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3139	eval {
…		…
2325		3144
2326	warn "... nuking $pkg";	3145	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3146	Symbol::delete_package $pkg;
2328	}	3147	}
2329		3148
2330	warn "unload all perl modules loaded from $LIBDIR";	3149	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3150	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3151	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3152
2334	warn "removing <$k>";	3153	warn "... unloading $k";
2335	delete $INC{$k};	3154	delete $INC{$k};
2336		3155
2337	$k =~ s/\.pm$//;	3156	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3157	$k =~ s/\//::/g;
2339		3158
…		…
2342	}	3161	}
2343		3162
2344	Symbol::delete_package $k;	3163	Symbol::delete_package $k;
2345	}	3164	}
2346		3165
2347	warn "get rid of safe::, as good as possible";	3166	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3167	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3168	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3169
2351	warn "unload cf.pm \"a bit\"";	3170	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3171	delete $INC{"cf.pm"};
		3172	delete $INC{"cf/pod.pm"};
2353		3173
2354	# don't, removes xs symbols, too,	3174	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3175	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3176	#Symbol::delete_package __PACKAGE__;
2357		3177
		3178	warn "unload completed, starting to reload now";
		3179
2358	warn "reloading cf.pm";	3180	warn "reloading cf.pm";
2359	require cf;	3181	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3182	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3183
2362	warn "load config and database again";	3184	warn "loading config and database again";
2363	cf::cfg_load;	3185	cf::cfg_load;
2364	cf::db_load;
2365		3186
2366	warn "load extensions";	3187	warn "loading extensions";
2367	cf::load_extensions;	3188	cf::load_extensions;
2368		3189
2369	warn "reattach attachments to objects/players";	3190	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3191	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3192	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3193	reattach $_ for values %MAP;
2373	};	3194	warn "reattaching attachments to players";
		3195	reattach $_ for values %PLAYER;
2374		3196
2375	if ($@) {	3197	warn "leaving sync_job";
		3198
		3199	1
		3200	} or do {
2376	warn $@;	3201	warn $@;
2377	warn "error while reloading, exiting.";	3202	warn "error while reloading, exiting.";
2378	exit 1;	3203	exit 1;
2379	}	3204	};
2380		3205
2381	warn "reloaded";	3206	warn "reloaded";
2382	};	3207	};
2383		3208
		3209	our $RELOAD_WATCHER; # used only during reload
		3210
		3211	sub reload_perl() {
		3212	# doing reload synchronously and two reloads happen back-to-back,
		3213	# coro crashes during coro_state_free->destroy here.
		3214
		3215	$RELOAD_WATCHER ||= Event->timer (
		3216	reentrant => 0,
		3217	after => 0,
		3218	data => WF_AUTOCANCEL,
		3219	cb => sub {
		3220	do_reload_perl;
		3221	undef $RELOAD_WATCHER;
		3222	},
		3223	);
		3224	}
		3225
2384	register_command "reload" => sub {	3226	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3227	my ($who, $arg) = @_;
2386		3228
2387	if ($who->flag (FLAG_WIZ)) {	3229	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3230	$who->message ("reloading server.");
		3231	async { reload_perl };
2391	}	3232	}
2392	};	3233	};
2393		3234
2394	unshift @INC, $LIBDIR;	3235	unshift @INC, $LIBDIR;
2395		3236
		3237	my $bug_warning = 0;
		3238
		3239	our @WAIT_FOR_TICK;
		3240	our @WAIT_FOR_TICK_BEGIN;
		3241
		3242	sub wait_for_tick {
		3243	return unless $TICK_WATCHER->is_active;
		3244	return if $Coro::current == $Coro::main;
		3245
		3246	my $signal = new Coro::Signal;
		3247	push @WAIT_FOR_TICK, $signal;
		3248	$signal->wait;
		3249	}
		3250
		3251	sub wait_for_tick_begin {
		3252	return unless $TICK_WATCHER->is_active;
		3253	return if $Coro::current == $Coro::main;
		3254
		3255	my $signal = new Coro::Signal;
		3256	push @WAIT_FOR_TICK_BEGIN, $signal;
		3257	$signal->wait;
		3258	}
		3259
		3260	my $min = 1e6;#d#
		3261	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3262	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3263	reentrant => 0,
		3264	parked => 1,
2398	prio => 0,	3265	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3266	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3267	data => WF_AUTOCANCEL,
2401	cb => sub {	3268	cb => sub {
		3269	if ($Coro::current != $Coro::main) {
		3270	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3271	unless ++$bug_warning > 10;
		3272	return;
		3273	}
		3274
2402	$NOW = Event::time;	3275	$NOW = $tick_start = Event::time;
2403		3276
2404	cf::server_tick; # one server iteration	3277	cf::server_tick; # one server iteration
		3278
		3279	0 && sync_job {#d#
		3280	for(1..10) {
		3281	my $t = Event::time;
		3282	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3283	or die;
		3284
		3285	$map->width (50);
		3286	$map->height (50);
		3287	$map->alloc;
		3288	$map->_load_objects ("/tmp/x.map", 1);
		3289	my $t = Event::time - $t;
		3290
		3291	#next unless $t < 0.0013;#d#
		3292	if ($t < $min) {
		3293	$min = $t;
		3294	}
		3295	$avg = $avg * 0.99 + $t * 0.01;
		3296	}
		3297	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3298	exit 0;
		3299	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3300	};
		3301
2405	$RUNTIME += $TICK;	3302	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3303	$NEXT_TICK += $TICK;
2407		3304
2408	$WAIT_FOR_TICK->broadcast;	3305	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3306	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3307	Coro::async_pool {
		3308	write_runtime
		3309	or warn "ERROR: unable to write runtime file: $!";
		3310	};
		3311	}
		3312
		3313	# my $AFTER = Event::time;
		3314	# warn $AFTER - $NOW;#d#
		3315
		3316	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3317	$sig->send;
		3318	}
		3319	while (my $sig = shift @WAIT_FOR_TICK) {
		3320	$sig->send;
		3321	}
		3322
		3323	$NOW = Event::time;
2410		3324
2411	# if we are delayed by four ticks or more, skip them all	3325	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3326	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3327
2414	$TICK_WATCHER->at ($NEXT_TICK);	3328	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3329	$TICK_WATCHER->start;
		3330
		3331	$LOAD = ($NOW - $tick_start) / $TICK;
		3332	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3333
		3334	_post_tick;
		3335
		3336
2416	},	3337	},
2417	);	3338	);
2418		3339
		3340	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3341	BDB::max_poll_time $TICK * 0.1;
2420		3342	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3343	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3344	fd => BDB::poll_fileno,
2423	poll => 'r',	3345	poll => 'r',
2424	prio => 5,	3346	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3347	data => WF_AUTOCANCEL,
2431	after => 0,	3348	cb => \&BDB::poll_cb,
2432	interval => 10,	3349	);
2433	cb => sub {	3350	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3351
2435	write_runtime	3352	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3353	my $status;
		3354	my $current = $Coro::current;
		3355	(
		3356	sub {
		3357	$status = $!;
		3358	$current->ready; undef $current;
		3359	},
		3360	sub {
		3361	Coro::schedule while defined $current;
		3362	$! = $status;
		3363	},
		3364	)
		3365	};
		3366
		3367	unless ($DB_ENV) {
		3368	$DB_ENV = BDB::db_env_create;
		3369
		3370	cf::sync_job {
		3371	eval {
		3372	BDB::db_env_open
		3373	$DB_ENV,
		3374	$BDBDIR,
		3375	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3376	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3377	0666;
		3378
		3379	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3380
		3381	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3382	$DB_ENV->set_lk_detect;
		3383	};
		3384
		3385	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3386	};
2438	},	3387	}
2439	);	3388	}
		3389
		3390	{
		3391	IO::AIO::min_parallel 8;
		3392
		3393	undef $Coro::AIO::WATCHER;
		3394	IO::AIO::max_poll_time $TICK * 0.1;
		3395	$AIO_POLL_WATCHER = Event->io (
		3396	reentrant => 0,
		3397	data => WF_AUTOCANCEL,
		3398	fd => IO::AIO::poll_fileno,
		3399	poll => 'r',
		3400	prio => 6,
		3401	cb => \&IO::AIO::poll_cb,
		3402	);
		3403	}
		3404
		3405	my $_log_backtrace;
		3406
		3407	sub _log_backtrace {
		3408	my ($msg, @addr) = @_;
		3409
		3410	$msg =~ s/\n//;
		3411
		3412	# limit the # of concurrent backtraces
		3413	if ($_log_backtrace < 2) {
		3414	++$_log_backtrace;
		3415	async {
		3416	my @bt = fork_call {
		3417	@addr = map { sprintf "%x", $_ } @addr;
		3418	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3419	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3420	or die "addr2line: $!";
		3421
		3422	my @funcs;
		3423	my @res = <$fh>;
		3424	chomp for @res;
		3425	while (@res) {
		3426	my ($func, $line) = splice @res, 0, 2, ();
		3427	push @funcs, "[$func] $line";
		3428	}
		3429
		3430	@funcs
		3431	};
		3432
		3433	LOG llevInfo, "[ABT] $msg\n";
		3434	LOG llevInfo, "[ABT] $_\n" for @bt;
		3435	--$_log_backtrace;
		3436	};
		3437	} else {
		3438	LOG llevInfo, "[ABT] $msg\n";
		3439	LOG llevInfo, "[ABT] [suppressed]\n";
		3440	}
		3441	}
		3442
		3443	# load additional modules
		3444	use cf::pod;
2440		3445
2441	END { cf::emergency_save }	3446	END { cf::emergency_save }
2442		3447
2443	1	3448	1
2444		3449

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