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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.329 by root, Fri Aug 10 05:38:16 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		1279
		1280	=back
		1281
906	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
907		1283
908	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
909		1285
910	=cut	1286	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
923		1299
924	=cut	1300	=cut
925		1301
926	sub playerdir($) {	1302	sub playerdir($) {
927	cf::localdir	1303	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1305	}
933		1306
934	sub path($) {	1307	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1309
937	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
938	}	1311	}
939		1312
940	sub find_active($) {	1313	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
945		1318
946	sub exists($) {	1319	sub exists($) {
947	my ($login) = @_;	1320	my ($login) = @_;
948		1321
949	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
951	}	1324	}
952		1325
953	sub find($) {	1326	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1328	my $login = $_[0];
956		1329
957	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
958		1331
959	$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
960	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
961	or return;	1341	or return;
962	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
963	}	1343	}
964	}	1344	}
…		…
992	$cf::PLAYER{$login} = $self;	1372	$cf::PLAYER{$login} = $self;
993		1373
994	$self	1374	$self
995	}	1375	}
996		1376
		1377	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1378
		1379	=cut
		1380
		1381	sub send_msg {
		1382	my $ns = shift->ns
		1383	or return;
		1384	$ns->send_msg (@_);
		1385	}
		1386
997	=item $pl->quit_character	1387	=item $pl->quit_character
998		1388
999	Nukes the player without looking back. If logged in, the connection will	1389	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1390	be destroyed. May block for a long time.
1001		1391
1002	=cut	1392	=cut
1003		1393
1004	sub quit_character {	1394	sub quit_character {
1005	my ($pl) = @_;	1395	my ($pl) = @_;
		1396
		1397	my $name = $pl->ob->name;
1006		1398
1007	$pl->{deny_save} = 1;	1399	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1400	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1401
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1407	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1408	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1409	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1410	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1411	$pl->destroy;
		1412
		1413	my $prefix = qr<^~\Q$name\E/>;
		1414
		1415	# nuke player maps
		1416	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1417
1020	IO::AIO::aio_rmtree $temp;	1418	IO::AIO::aio_rmtree $temp;
		1419	}
		1420
		1421	=item $pl->kick
		1422
		1423	Kicks a player out of the game. This destroys the connection.
		1424
		1425	=cut
		1426
		1427	sub kick {
		1428	my ($pl, $kicker) = @_;
		1429
		1430	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1431	$pl->killer ("kicked");
		1432	$pl->ns->destroy;
1021	}	1433	}
1022		1434
1023	=item cf::player::list_logins	1435	=item cf::player::list_logins
1024		1436
1025	Returns am arrayref of all valid playernames in the system, can take a	1437	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1438	while and may block, so not sync_job-capable, ever.
1027		1439
1028	=cut	1440	=cut
1029		1441
1030	sub list_logins {	1442	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1443	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1444	or return [];
1033		1445
1034	my @logins;	1446	my @logins;
1035		1447
1036	for my $login (@$dirs) {	1448	for my $login (@$dirs) {
…		…
1053	=cut	1465	=cut
1054		1466
1055	sub maps($) {	1467	sub maps($) {
1056	my ($pl) = @_;	1468	my ($pl) = @_;
1057		1469
		1470	$pl = ref $pl ? $pl->ob->name : $pl;
		1471
1058	my $files = aio_readdir playerdir $pl	1472	my $files = aio_readdir playerdir $pl
1059	or return;	1473	or return;
1060		1474
1061	my @paths;	1475	my @paths;
1062		1476
1063	for (@$files) {	1477	for (@$files) {
1064	utf8::decode $_;	1478	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1479	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1480	next unless /^$PATH_SEP/o;
1067		1481
1068	s/\.map$//;	1482	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1483	}
1071		1484
1072	\@paths	1485	\@paths
1073	}	1486	}
1074		1487
		1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1489
		1490	Expand crossfire pod fragments into protocol xml.
		1491
		1492	=cut
		1493
		1494	sub expand_cfpod {
		1495	((my $self), (local $_)) = @_;
		1496
		1497	# escape & and <
		1498	s/&/&amp;/g;
		1499	s/(?<![BIUGH])</&lt;/g;
		1500
		1501	# this is buggy, it needs to properly take care of nested <'s
		1502
		1503	1 while
		1504	# replace B<>, I<>, U<> etc.
		1505	s/B<([^\>]*)>/<b>$1<\/b>/
		1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1508	# replace G<male|female> tags
		1509	|| s{G<([^>|]*)\|([^>]*)>}{
		1510	$self->gender ? $2 : $1
		1511	}ge
		1512	# replace H<hint text>
		1513	|| s{H<([^\>]*)>}
		1514	{
		1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1517	"")
		1518	[$self->{hintmode}]
		1519	}ge;
		1520
		1521	# create single paragraphs (very hackish)
		1522	s/(?<=\S)\n(?=\w)/ /g;
		1523
		1524	# compress some whitespace
		1525	s/\s+\n/\n/g; # ws line-ends
		1526	s/\n\n+/\n/g; # double lines
		1527	s/^\n+//; # beginning lines
		1528	s/\n+$//; # ending lines
		1529
		1530	$_
		1531	}
		1532
		1533	sub hintmode {
		1534	$_[0]{hintmode} = $_[1] if @_ > 1;
		1535	$_[0]{hintmode}
		1536	}
		1537
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1538	=item $player->ext_reply ($msgid, @msg)
1076		1539
1077	Sends an ext reply to the player.	1540	Sends an ext reply to the player.
1078		1541
1079	=cut	1542	=cut
1080		1543
1081	sub ext_reply($$$%) {	1544	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1545	my ($self, $id, @msg) = @_;
1083		1546
1084	$msg{msgid} = $id;	1547	if ($self->ns->extcmd == 2) {
1085		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1086	$self->send ("ext " . cf::to_json \%msg);	1549	} elsif ($self->ns->extcmd == 1) {
		1550	#TODO: version 1, remove
		1551	unshift @msg, msgtype => "reply", msgid => $id;
		1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1553	}
1087	}	1554	}
1088		1555
1089	package cf;	1556	=item $player->ext_msg ($type, @msg)
		1557
		1558	Sends an ext event to the client.
		1559
		1560	=cut
		1561
		1562	sub ext_msg($$@) {
		1563	my ($self, $type, @msg) = @_;
		1564
		1565	$self->ns->ext_msg ($type, @msg);
		1566	}
		1567
		1568	=head3 cf::region
		1569
		1570	=over 4
		1571
		1572	=cut
		1573
		1574	package cf::region;
		1575
		1576	=item cf::region::find_by_path $path
		1577
		1578	Tries to decuce the likely region for a map knowing only its path.
		1579
		1580	=cut
		1581
		1582	sub find_by_path($) {
		1583	my ($path) = @_;
		1584
		1585	my ($match, $specificity);
		1586
		1587	for my $region (list) {
		1588	if ($region->{match} && $path =~ $region->{match}) {
		1589	($match, $specificity) = ($region, $region->specificity)
		1590	if $region->specificity > $specificity;
		1591	}
		1592	}
		1593
		1594	$match
		1595	}
1090		1596
1091	=back	1597	=back
1092
1093		1598
1094	=head3 cf::map	1599	=head3 cf::map
1095		1600
1096	=over 4	1601	=over 4
1097		1602
…		…
1101		1606
1102	use Fcntl;	1607	use Fcntl;
1103	use Coro::AIO;	1608	use Coro::AIO;
1104		1609
1105	use overload	1610	use overload
1106	'""' => \&as_string;	1611	'""' => \&as_string,
		1612	fallback => 1;
1107		1613
1108	our $MAX_RESET = 3600;	1614	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1615	our $DEFAULT_RESET = 3000;
1110		1616
1111	sub generate_random_map {	1617	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1618	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1619	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1620	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1630	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1631	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1632	)
1128	}	1633	}
1129		1634
		1635	=item cf::map->register ($regex, $prio)
		1636
		1637	Register a handler for the map path matching the given regex at the
		1638	givne priority (higher is better, built-in handlers have priority 0, the
		1639	default).
		1640
		1641	=cut
		1642
1130	sub register {	1643	sub register {
1131	my (undef, $regex) = @_;	1644	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1645	my $pkg = caller;
1133		1646
1134	no strict;	1647	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1648	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1649
1137	$EXT_MAP{$pkg} = qr<$regex>;	1650	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1651	}
1139		1652
1140	# also paths starting with '/'	1653	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1654	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1655
		1656	sub thawer_merge {
		1657	my ($self, $merge) = @_;
		1658
		1659	# we have to keep some variables in memory intact
		1660	local $self->{path};
		1661	local $self->{load_path};
		1662
		1663	$self->SUPER::thawer_merge ($merge);
		1664	}
1142		1665
1143	sub normalise {	1666	sub normalise {
1144	my ($path, $base) = @_;	1667	my ($path, $base) = @_;
		1668
		1669	$path = "$path"; # make sure its a string
		1670
		1671	$path =~ s/\.map$//;
1145		1672
1146	# map plan:	1673	# map plan:
1147	#	1674	#
1148	# /! non-realised random map exit (special hack!)	1675	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1676	# {... are special paths that are not being touched
…		…
1177		1704
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1705	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1706
1180	$path = normalise $path, $base;	1707	$path = normalise $path, $base;
1181		1708
1182	for my $pkg (keys %EXT_MAP) {	1709	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1710	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1711	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1712	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1713	$self->init; # pass $1 etc.
1187	return $self;	1714	return $self;
1188	}	1715	}
1189	}	1716	}
1190		1717
1191	Carp::carp "unable to resolve path '$path'.";	1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1719	()
1193	}	1720	}
1194		1721
1195	sub init {	1722	sub init {
1196	my ($self) = @_;	1723	my ($self) = @_;
…		…
1211		1738
1212	# the original (read-only) location	1739	# the original (read-only) location
1213	sub load_path {	1740	sub load_path {
1214	my ($self) = @_;	1741	my ($self) = @_;
1215		1742
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1743	"$MAPDIR/$self->{path}.map"
1217	}	1744	}
1218		1745
1219	# the temporary/swap location	1746	# the temporary/swap location
1220	sub save_path {	1747	sub save_path {
1221	my ($self) = @_;	1748	my ($self) = @_;
1222		1749
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1751	"$TMPDIR/$path.map"
1225	}	1752	}
1226		1753
1227	# the unique path, undef == no special unique path	1754	# the unique path, undef == no special unique path
1228	sub uniq_path {	1755	sub uniq_path {
1229	my ($self) = @_;	1756	my ($self) = @_;
1230		1757
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1759	"$UNIQUEDIR/$path"
1233	}	1760	}
1234		1761
1235	# and all this just because we cannot iterate over	1762	# and all this just because we cannot iterate over
1236	# all maps in C++...	1763	# all maps in C++...
1237	sub change_all_map_light {	1764	sub change_all_map_light {
…		…
1239		1766
1240	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
1242	}	1769	}
1243		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
		1777	}
		1778
1244	sub unlink_save {	1779	sub unlink_save {
1245	my ($self) = @_;	1780	my ($self) = @_;
1246		1781
1247	utf8::encode (my $save = $self->save_path);	1782	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1783	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1784	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1785	}
1251		1786
1252	sub load_header_from($) {	1787	sub load_header_from($) {
1253	my ($self, $path) = @_;	1788	my ($self, $path) = @_;
1254		1789
1255	utf8::encode $path;	1790	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1791	#aio_open $path, O_RDONLY, 0
1257	or return;	1792	# or return;
1258		1793
1259	$self->_load_header ($path)	1794	$self->_load_header ($path)
1260	or return;	1795	or return;
1261		1796
1262	$self->{load_path} = $path;	1797	$self->{load_path} = $path;
1263		1798
1264	1	1799	1
1265	}	1800	}
1266		1801
1267	sub load_orig {	1802	sub load_header_orig {
1268	my ($self) = @_;	1803	my ($self) = @_;
1269		1804
1270	$self->load_header_from ($self->load_path)	1805	$self->load_header_from ($self->load_path)
1271	}	1806	}
1272		1807
1273	sub load_temp {	1808	sub load_header_temp {
1274	my ($self) = @_;	1809	my ($self) = @_;
1275		1810
1276	$self->load_header_from ($self->save_path)	1811	$self->load_header_from ($self->save_path)
		1812	}
		1813
		1814	sub prepare_temp {
		1815	my ($self) = @_;
		1816
		1817	$self->last_access ((delete $self->{last_access})
		1818	|| $cf::RUNTIME); #d#
		1819	# safety
		1820	$self->{instantiate_time} = $cf::RUNTIME
		1821	if $self->{instantiate_time} > $cf::RUNTIME;
		1822	}
		1823
		1824	sub prepare_orig {
		1825	my ($self) = @_;
		1826
		1827	$self->{load_original} = 1;
		1828	$self->{instantiate_time} = $cf::RUNTIME;
		1829	$self->last_access ($cf::RUNTIME);
		1830	$self->instantiate;
1277	}	1831	}
1278		1832
1279	sub load_header {	1833	sub load_header {
1280	my ($self) = @_;	1834	my ($self) = @_;
1281		1835
1282	if ($self->load_temp) {	1836	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1837	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1838	} else {
1289	$self->load_orig	1839	$self->load_header_orig
1290	or return;	1840	or return;
1291		1841	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1842	}
		1843
		1844	$self->{deny_reset} = 1
		1845	if $self->no_reset;
		1846
		1847	$self->default_region (cf::region::find_by_path $self->{path})
		1848	unless $self->default_region;
1297		1849
1298	1	1850	1
1299	}	1851	}
1300		1852
1301	sub find;	1853	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1315		1867
1316	$map->load_header	1868	$map->load_header
1317	or return;	1869	or return;
1318		1870
1319	if ($map->should_reset) {	1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1872	# doing this can freeze the server in a sync job, obviously
		1873	#$cf::WAIT_FOR_TICK->wait;
1320	$map->reset;	1874	$map->reset;
1321	undef $guard;	1875	undef $guard;
1322	$map = find $path	1876	return find $path;
1323	or return;
1324	}	1877	}
1325		1878
1326	$cf::MAP{$path} = $map	1879	$cf::MAP{$path} = $map
1327	}	1880	}
1328	}	1881	}
		1882
		1883	sub pre_load { }
		1884	sub post_load { }
1329		1885
1330	sub load {	1886	sub load {
1331	my ($self) = @_;	1887	my ($self) = @_;
1332		1888
		1889	local $self->{deny_reset} = 1; # loading can take a long time
		1890
1333	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1894	my $guard = cf::lock_acquire "map_load:$path";
1335		1895
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1897
1338	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1339		1899
1340	$self->alloc;	1900	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1901
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1902	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1903	Coro::cede;
1365	$self->set_darkness_map;	1904
		1905	$self->_load_objects ($self->{load_path}, 1)
		1906	or return;
		1907
		1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1909	if delete $self->{load_original};
		1910
		1911	if (my $uniq = $self->uniq_path) {
		1912	utf8::encode $uniq;
		1913	if (aio_open $uniq, O_RDONLY, 0) {
		1914	$self->clear_unique_items;
		1915	$self->_load_objects ($uniq, 0);
		1916	}
		1917	}
		1918
		1919	Coro::cede;
		1920	# now do the right thing for maps
		1921	$self->link_multipart_objects;
1366	$self->difficulty ($self->estimate_difficulty)	1922	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1923	unless $self->difficulty;
1368	Coro::cede;	1924	Coro::cede;
		1925
		1926	unless ($self->{deny_activate}) {
		1927	$self->decay_objects;
		1928	$self->fix_auto_apply;
		1929	$self->update_buttons;
		1930	Coro::cede;
		1931	$self->set_darkness_map;
		1932	Coro::cede;
1369	$self->activate;	1933	$self->activate;
1370	}	1934	}
1371		1935
		1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
		1938
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1939	$self->in_memory (cf::MAP_IN_MEMORY);
		1940	}
		1941
		1942	$self->post_load;
1373	}	1943	}
1374		1944
1375	sub customise_for {	1945	sub customise_for {
1376	my ($self, $ob) = @_;	1946	my ($self, $ob) = @_;
1377		1947
1378	return find "~" . $ob->name . "/" . $self->{path}	1948	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
1380		1953
1381	$self	1954	$self
1382	}	1955	}
1383		1956
1384	# find and load all maps in the 3x3 area around a map	1957	# find and load all maps in the 3x3 area around a map
…		…
1416		1989
1417	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1418	}	1991	}
1419		1992
1420	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1994	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1995
1434	sub find_async {	1996	sub find_async {
1435	my ($path, $origin) = @_;	1997	my ($path, $origin) = @_;
1436		1998
1437	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1438		2000
1439	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	2003	}
1442		2004
1443	$MAP_PREFETCH{$path} = 0;	2005	undef $MAP_PREFETCH{$path};
		2006	$MAP_PREFETCHER ||= cf::async {
		2007	while (%MAP_PREFETCH) {
		2008	for my $path (keys %MAP_PREFETCH) {
		2009	if (my $map = find $path) {
		2010	$map->load;
		2011	}
		2012
		2013	delete $MAP_PREFETCH{$path};
		2014	}
		2015	}
		2016	undef $MAP_PREFETCHER;
		2017	};
1444	$MAP_PREFETCHER->ready;	2018	$MAP_PREFETCHER->prio (6);
1445		2019
1446	()	2020	()
1447	}	2021	}
1448		2022
1449	sub save {	2023	sub save {
…		…
1494		2068
1495	sub reset_at {	2069	sub reset_at {
1496	my ($self) = @_;	2070	my ($self) = @_;
1497		2071
1498	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1501		2074
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2077
…		…
1509	my ($self) = @_;	2082	my ($self) = @_;
1510		2083
1511	$self->reset_at <= $cf::RUNTIME	2084	$self->reset_at <= $cf::RUNTIME
1512	}	2085	}
1513		2086
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2087	sub reset {
1529	my ($self) = @_;	2088	my ($self) = @_;
1530		2089
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2091
1533	return if $self->players;	2092	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2093
1536	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
		2095
		2096	$self->in_memory (cf::MAP_SWAPPED);
		2097
		2098	# need to save uniques path
		2099	unless ($self->{deny_save}) {
		2100	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2101
		2102	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2103	if $uniq;
		2104	}
1537		2105
1538	delete $cf::MAP{$self->path};	2106	delete $cf::MAP{$self->path};
1539		2107
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	2108	$self->clear;
1542		2109
1543	$_->clear_links_to ($self) for values %cf::MAP;	2110	$_->clear_links_to ($self) for values %cf::MAP;
1544		2111
1545	$self->unlink_save;	2112	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	2116	my $nuke_counter = "aaaa";
1550		2117
1551	sub nuke {	2118	sub nuke {
1552	my ($self) = @_;	2119	my ($self) = @_;
1553		2120
		2121	delete $cf::MAP{$self->path};
		2122
		2123	$self->unlink_save;
		2124
		2125	bless $self, "cf::map";
		2126	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2127	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2128	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2130
		2131	$cf::MAP{$self->path} = $self;
		2132
1557	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
		2134	}
		2135
		2136	=item $maps = cf::map::tmp_maps
		2137
		2138	Returns an arrayref with all map paths of currently instantiated and saved
		2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
		2144	[
		2145	map {
		2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
		2152	}
		2153
		2154	=item $maps = cf::map::random_maps
		2155
		2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
		2158
		2159	=cut
		2160
		2161	sub random_maps() {
		2162	[
		2163	map {
		2164	utf8::decode $_;
		2165	/\.map$/
		2166	? normalise "?random/$_"
		2167	: ()
		2168	} @{ aio_readdir $RANDOMDIR or [] }
		2169	]
1558	}	2170	}
1559		2171
1560	=item cf::map::unique_maps	2172	=item cf::map::unique_maps
1561		2173
1562	Returns an arrayref of paths of all shared maps that have	2174	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2175	instantiated unique items. May block.
1564		2176
1565	=cut	2177	=cut
1566		2178
1567	sub unique_maps() {	2179	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2180	[
1569	or return;	2181	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2182	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2183	/\.map$/
1579	push @paths, $_;	2184	? normalise $_
		2185	: ()
		2186	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2187	]
1581
1582	\@paths
1583	}	2188	}
1584		2189
1585	package cf;	2190	package cf;
1586		2191
1587	=back	2192	=back
…		…
1633		2238
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2240
1636	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1638	} else {	2244	} else {
		2245	my $pl = $self->contr;
		2246
		2247	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2248	my $dialog = $pl->{npc_dialog};
		2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2250
		2251	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1641	}	2255	}
		2256	}
		2257
		2258	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2259
		2260	=cut
		2261
		2262	sub cf::object::send_msg {
		2263	my $pl = shift->contr
		2264	or return;
		2265	$pl->send_msg (@_);
1642	}	2266	}
1643		2267
1644	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1645		2269
1646	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2302	=cut
1679		2303
1680	sub link_map {	2304	sub link_map {
1681	unless ($LINK_MAP) {	2305	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2306	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2307	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2308	$LINK_MAP->load;
1685	}	2309	}
1686		2310
1687	$LINK_MAP	2311	$LINK_MAP
1688	}	2312	}
…		…
1693	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1694		2318
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2320
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1699		2323
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2325	}
1702		2326
1703	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1705		2331
1706	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1707		2333
1708	unless ($map) {	2334	unless ($map) {
1709	# restore original map position	2335	# restore original map position
…		…
1727	$map->load;	2353	$map->load;
1728	$map->load_diag;	2354	$map->load_diag;
1729		2355
1730	return unless $self->contr->active;	2356	return unless $self->contr->active;
1731	$self->activate_recursive;	2357	$self->activate_recursive;
		2358
		2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1733	}	2361	}
1734		2362
1735	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2364
1739	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1743	};	2369	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2370
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2371	=cut
		2372
		2373	our $GOTOGEN;
1770		2374
1771	sub cf::object::player::goto {	2375	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2376	my ($self, $path, $x, $y, $check, $done) = @_;
		2377
		2378	# do generation counting so two concurrent goto's will be executed in-order
		2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2380
1774	$self->enter_link;	2381	$self->enter_link;
1775		2382
1776	(async {	2383	(async {
		2384	my $map = eval {
1777	my $map = cf::map::find $path;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
1779		2389	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2390	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2392	}
1784		2393
		2394	$map
		2395	};
		2396
		2397	if ($@) {
		2398	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2399	LOG llevError | logBacktrace, Carp::longmess $@;
		2400	}
		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1786	})->prio (1);	2408	})->prio (1);
1787	}	2409	}
1788		2410
1789	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1790		2412
…		…
1792		2414
1793	sub parse_random_map_params {	2415	sub parse_random_map_params {
1794	my ($spec) = @_;	2416	my ($spec) = @_;
1795		2417
1796	my $rmp = { # defaults	2418	my $rmp = { # defaults
1797	xsize => 10,	2419	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2420	ysize => (cf::rndm 15, 40),
		2421	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2422	#layout => string,
1799	};	2423	};
1800		2424
1801	for (split /\n/, $spec) {	2425	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2426	my ($k, $v) = split /\s+/, $_, 2;
1803		2427
…		…
1807	$rmp	2431	$rmp
1808	}	2432	}
1809		2433
1810	sub prepare_random_map {	2434	sub prepare_random_map {
1811	my ($exit) = @_;	2435	my ($exit) = @_;
		2436
		2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2438
1813	# all this does is basically replace the /! path by	2439	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2440	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2441	# that depends on the exit object
1816		2442
1817	my $rmp = parse_random_map_params $exit->msg;	2443	my $rmp = parse_random_map_params $exit->msg;
1818		2444
1819	if ($exit->map) {	2445	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2446	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2447	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2448	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2449	$rmp->{origin_y} = $exit->y;
1824	}	2450	}
1825		2451
1826	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1827		2453
1828	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
		2456	my $meta = "$RANDOMDIR/$md5.meta";
1830		2457
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2459	aio_write $fh, 0, (length $data), $data, 0;
		2460	undef $fh;
		2461	aio_rename "$meta~", $meta;
1833		2462
1834	$exit->slaying ("?random/$md5");	2463	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2464	$exit->msg (undef);
1836	}	2465	}
1837	}	2466	}
…		…
1839	sub cf::object::player::enter_exit {	2468	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2469	my ($self, $exit) = @_;
1841		2470
1842	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1843		2472
		2473	if ($exit->slaying eq "/!") {
		2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2475	# the problem is that $exit might not survive long enough
		2476	# so it needs to be done right now, right here
		2477	cf::sync_job { prepare_random_map $exit };
		2478	}
		2479
		2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2481	my $hp = $exit->stats->hp;
		2482	my $sp = $exit->stats->sp;
		2483
1844	$self->enter_link;	2484	$self->enter_link;
		2485
		2486	# if exit is damned, update players death & WoR home-position
		2487	$self->contr->savebed ($slaying, $hp, $sp)
		2488	if $exit->flag (FLAG_DAMNED);
1845		2489
1846	(async {	2490	(async {
1847	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2492	unless (eval {
1849	prepare_random_map $exit	2493	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2494
1855	1;	2495	1;
1856	}) {	2496	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2498	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2499	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2501
1862	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2503	$self->leave_link;
1864	}	2504	}
1865	})->prio (1);	2505	})->prio (1);
…		…
1878		2518
1879	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1881		2521
1882	utf8::encode $text;	2522	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2524	}
1885		2525
		2526	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2527
		2528	Send a drawinfo or msg packet to the client, formatting the msg for the
		2529	client if neccessary. C<$type> should be a string identifying the type of
		2530	the message, with C<log> being the default. If C<$color> is negative, suppress
		2531	the message unless the client supports the msg packet.
		2532
		2533	=cut
		2534
		2535	sub cf::client::send_msg {
		2536	my ($self, $channel, $msg, $color, @extra) = @_;
		2537
		2538	$msg = $self->pl->expand_cfpod ($msg);
		2539
		2540	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2541
		2542	if (ref $channel) {
		2543	# send meta info to client, if not yet sent
		2544	unless (exists $self->{channel}{$channel->{id}}) {
		2545	$self->{channel}{$channel->{id}} = $channel;
		2546	$self->ext_msg (channel_info => $channel);
		2547	}
		2548
		2549	$channel = $channel->{id};
		2550	}
		2551
		2552	return unless @extra || length $msg;
		2553
		2554	if ($self->can_msg) {
		2555	# default colour, mask it out
		2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2557	if $color & cf::NDI_DEF;
		2558
		2559	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2561	} else {
		2562	if ($color >= 0) {
		2563	# replace some tags by gcfclient-compatible ones
		2564	for ($msg) {
		2565	1 while
		2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2571	}
		2572
		2573	$color &= cf::NDI_COLOR_MASK;
		2574
		2575	utf8::encode $msg;
		2576
		2577	if (0 && $msg =~ /\[/) {
		2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	my $extcmd = $self->extcmd;
		2597
		2598	if ($extcmd == 2) {
		2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2600	} elsif ($extcmd == 1) { # TODO: remove
		2601	push @msg, msgtype => "event_$type";
		2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2603	}
		2604	}
1886		2605
1887	=item $success = $client->query ($flags, "text", \&cb)	2606	=item $success = $client->query ($flags, "text", \&cb)
1888		2607
1889	Queues a query to the client, calling the given callback with	2608	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2609	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2610	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2611
1893	Queries can fail, so check the return code. Or don't, as queries will become	2612	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2613	become reliable at some point in the future.
1895		2614
1896	=cut	2615	=cut
1897		2616
1898	sub cf::client::query {	2617	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2618	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2626	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2627	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2628
1910	$self->send_packet ($self->{query_queue}[0][0])	2629	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2630	if @{ $self->{query_queue} } == 1;
		2631
		2632	1
1912	}	2633	}
1913		2634
1914	cf::client->attach (	2635	cf::client->attach (
		2636	on_connect => sub {
		2637	my ($ns) = @_;
		2638
		2639	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2640	},
1915	on_reply => sub {	2641	on_reply => sub {
1916	my ($ns, $msg) = @_;	2642	my ($ns, $msg) = @_;
1917		2643
1918	# this weird shuffling is so that direct followup queries	2644	# this weird shuffling is so that direct followup queries
1919	# get handled first	2645	# get handled first
1920	my $queue = delete $ns->{query_queue}	2646	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2647	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2648
1923	(shift @$queue)->[1]->($msg);	2649	(shift @$queue)->[1]->($msg);
		2650	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2651
1925	push @{ $ns->{query_queue} }, @$queue;	2652	push @{ $ns->{query_queue} }, @$queue;
1926		2653
1927	if (@{ $ns->{query_queue} } == @$queue) {	2654	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2655	if (@$queue) {
…		…
1930	} else {	2657	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2658	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2659	}
1933	}	2660	}
1934	},	2661	},
		2662	on_exticmd => sub {
		2663	my ($ns, $buf) = @_;
		2664
		2665	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2666
		2667	if (ref $msg) {
		2668	my ($type, $reply, @payload) =
		2669	"ARRAY" eq ref $msg
		2670	? @$msg
		2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2672
		2673	if (my $cb = $EXTICMD{$type}) {
		2674	my @reply = $cb->($ns, @payload);
		2675
		2676	$ns->ext_reply ($reply, @reply)
		2677	if $reply;
		2678	}
		2679	} else {
		2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2681	}
		2682
		2683	cf::override;
		2684	},
1935	);	2685	);
1936		2686
1937	=item $client->async (\&cb)	2687	=item $client->async (\&cb)
1938		2688
1939	Create a new coroutine, running the specified callback. The coroutine will	2689	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2730	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2731	our $safe_hole = new Safe::Hole;
1982		2732
1983	$SIG{FPE} = 'IGNORE';	2733	$SIG{FPE} = 'IGNORE';
1984		2734
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2735	$safe->permit_only (Opcode::opset qw(
		2736	:base_core :base_mem :base_orig :base_math
		2737	grepstart grepwhile mapstart mapwhile
		2738	sort time
		2739	));
1986		2740
1987	# here we export the classes and methods available to script code	2741	# here we export the classes and methods available to script code
1988		2742
1989	=pod	2743	=pod
1990		2744
1991	The following fucntions and emthods are available within a safe environment:	2745	The following functions and methods are available within a safe environment:
1992		2746
1993	cf::object contr pay_amount pay_player map	2747	cf::object
		2748	contr pay_amount pay_player map x y force_find force_add
		2749	insert remove
		2750
1994	cf::object::player player	2751	cf::object::player
1995	cf::player peaceful	2752	player
1996	cf::map trigger	2753
		2754	cf::player
		2755	peaceful
		2756
		2757	cf::map
		2758	trigger
1997		2759
1998	=cut	2760	=cut
1999		2761
2000	for (	2762	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2764	insert remove inv)],
2002	["cf::object::player" => qw(player)],	2765	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2766	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2767	["cf::map" => qw(trigger)],
2005	) {	2768	) {
2006	no strict 'refs';	2769	no strict 'refs';
…		…
2077	=back	2840	=back
2078		2841
2079	=cut	2842	=cut
2080		2843
2081	#############################################################################	2844	#############################################################################
		2845	# the server's init and main functions
2082		2846
2083	=head2 EXTENSION DATABASE SUPPORT	2847	sub load_facedata($) {
		2848	my ($path) = @_;
2084		2849
2085	Crossfire maintains a very simple database for extension use. It can	2850	warn "loading facedata from $path\n";
2086	currently store anything that can be serialised using Storable, which
2087	excludes objects.
2088		2851
2089	The parameter C<$family> should best start with the name of the extension	2852	my $facedata;
2090	using it, it should be unique.	2853	0 < aio_load $path, $facedata
		2854	or die "$path: $!";
2091		2855
2092	=over 4	2856	$facedata = Coro::Storable::thaw $facedata;
2093		2857
2094	=item $hashref = cf::db_get $family	2858	$facedata->{version} == 2
		2859	or cf::cleanup "$path: version mismatch, cannot proceed.";
2095		2860
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key
2101
2102	Returns a single value from the database
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}	2861	{
		2862	my $faces = $facedata->{faceinfo};
2132		2863
2133	my $pid;	2864	while (my ($face, $info) = each %$faces) {
		2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
		2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2134		2870
2135	sub db_save() {	2871	cf::cede_to_tick;
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});
2155
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {
2162	@_ >= 2
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166
2167	sub db_put($$;$) {
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2872	}
2181	);
2182	}
2183		2873
2184	#############################################################################	2874	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
		2884
		2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904	my $enc = JSON::XS->new->utf8->canonical;
		2905
		2906	my $soundconf = delete $res->{"res/sound.conf"};
		2907
		2908	while (my ($name, $info) = each %$res) {
		2909	my $meta = $enc->encode ({
		2910	name => $name,
		2911	%{ $info->{meta} || {} },
		2912	});
		2913
		2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2915
		2916	if ($info->{type} & 1) {
		2917	# prepend meta info
		2918
		2919	my $data = pack "(w/a*)*", $meta, $info->{data};
		2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2921
		2922	cf::face::set_data $idx, 0, $data, $chk;
		2923	} else {
		2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2925	}
		2926
		2927	cf::face::set_type $idx, $info->{type};
		2928
		2929	cf::cede_to_tick;
		2930	}
		2931
		2932	if ($soundconf) {
		2933	$soundconf = $enc->decode (delete $soundconf->{data});
		2934
		2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2936	my $sound = $soundconf->{compat}[$_]
		2937	or next;
		2938
		2939	my $face = cf::face::find "sound/$sound->[1]";
		2940	cf::sound::set $sound->[0] => $face;
		2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2942	}
		2943
		2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2945	my $face = cf::face::find "sound/$v";
		2946	cf::sound::set $k => $face;
		2947	}
		2948	}
		2949	}
		2950
		2951	1
		2952	}
		2953
		2954	register_exticmd fx_want => sub {
		2955	my ($ns, $want) = @_;
		2956
		2957	while (my ($k, $v) = each %$want) {
		2958	$ns->fx_want ($k, $v);
		2959	}
		2960	};
		2961
		2962	sub reload_regions {
		2963	load_resource_file "$MAPDIR/regions"
		2964	or die "unable to load regions file\n";
		2965
		2966	for (cf::region::list) {
		2967	$_->{match} = qr/$_->{match}/
		2968	if exists $_->{match};
		2969	}
		2970	}
		2971
		2972	sub reload_facedata {
		2973	load_facedata "$DATADIR/facedata"
		2974	or die "unable to load facedata\n";
		2975	}
		2976
		2977	sub reload_archetypes {
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	#d# NEED to laod twice to resolve forward references
		2981	# this really needs to be done in an extra post-pass
		2982	# (which needs to be synchronous, so solve it differently)
		2983	load_resource_file "$DATADIR/archetypes"
		2984	or die "unable to load archetypes\n";
		2985	}
		2986
		2987	sub reload_treasures {
		2988	load_resource_file "$DATADIR/treasures"
		2989	or die "unable to load treasurelists\n";
		2990	}
		2991
		2992	sub reload_resources {
		2993	warn "reloading resource files...\n";
		2994
		2995	reload_regions;
		2996	reload_facedata;
		2997	#reload_archetypes;#d#
		2998	reload_archetypes;
		2999	reload_treasures;
		3000
		3001	warn "finished reloading resource files\n";
		3002	}
		3003
		3004	sub init {
		3005	reload_resources;
		3006	}
2186		3007
2187	sub cfg_load {	3008	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3009	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3010	or return;
2190		3011
2191	local $/;	3012	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3013	*CFG = YAML::Syck::Load <$fh>;
2193		3014
…		…
2207		3028
2208	sub main {	3029	sub main {
2209	# we must not ever block the main coroutine	3030	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3031	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3032	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3033	(async {
2212	async { Event::one_event };	3034	Event::one_event;
		3035	})->prio (Coro::PRIO_MAX);
2213	};	3036	};
2214		3037
2215	cfg_load;	3038	cfg_load;
2216	db_load;	3039	db_init;
2217	load_extensions;	3040	load_extensions;
		3041
		3042	$TICK_WATCHER->start;
2218	Event::loop;	3043	Event::loop;
2219	}	3044	}
2220		3045
2221	#############################################################################	3046	#############################################################################
2222	# initialisation and cleanup	3047	# initialisation and cleanup
2223		3048
2224	# install some emergency cleanup handlers	3049	# install some emergency cleanup handlers
2225	BEGIN {	3050	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3051	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3052	Event->signal (
		3053	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3054	data => WF_AUTOCANCEL,
2229	signal => $signal,	3055	signal => $signal,
		3056	prio => 0,
2230	cb => sub {	3057	cb => sub {
2231	cf::cleanup "SIG$signal";	3058	cf::cleanup "SIG$signal";
2232	},	3059	},
2233	);	3060	);
2234	}	3061	}
		3062	}
		3063
		3064	sub write_runtime {
		3065	my $runtime = "$LOCALDIR/runtime";
		3066
		3067	# first touch the runtime file to show we are still running:
		3068	# the fsync below can take a very very long time.
		3069
		3070	IO::AIO::aio_utime $runtime, undef, undef;
		3071
		3072	my $guard = cf::lock_acquire "write_runtime";
		3073
		3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3075	or return;
		3076
		3077	my $value = $cf::RUNTIME + 90 + 10;
		3078	# 10 is the runtime save interval, for a monotonic clock
		3079	# 60 allows for the watchdog to kill the server.
		3080
		3081	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3082	and return;
		3083
		3084	# always fsync - this file is important
		3085	aio_fsync $fh
		3086	and return;
		3087
		3088	# touch it again to show we are up-to-date
		3089	aio_utime $fh, undef, undef;
		3090
		3091	close $fh
		3092	or return;
		3093
		3094	aio_rename "$runtime~", $runtime
		3095	and return;
		3096
		3097	warn "runtime file written.\n";
		3098
		3099	1
2235	}	3100	}
2236		3101
2237	sub emergency_save() {	3102	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3103	my $freeze_guard = cf::freeze_mainloop;
2239		3104
…		…
2256	my $map = $cf::MAP{$path} or next;	3121	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3122	$map->valid or next;
2258	$map->save;	3123	$map->save;
2259	}	3124	}
2260	warn "end emergency map save\n";	3125	warn "end emergency map save\n";
		3126
		3127	warn "begin emergency database checkpoint\n";
		3128	BDB::db_env_txn_checkpoint $DB_ENV;
		3129	warn "end emergency database checkpoint\n";
2261	};	3130	};
2262		3131
2263	warn "leave emergency perl save\n";	3132	warn "leave emergency perl save\n";
2264	}	3133	}
2265		3134
		3135	sub post_cleanup {
		3136	my ($make_core) = @_;
		3137
		3138	warn Carp::longmess "post_cleanup backtrace"
		3139	if $make_core;
		3140	}
		3141
2266	sub reload() {	3142	sub do_reload_perl() {
2267	# can/must only be called in main	3143	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3144	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3145	warn "can only reload from main coroutine";
2270	return;	3146	return;
2271	}	3147	}
2272		3148
2273	warn "reloading...";	3149	warn "reloading...";
2274		3150
2275	warn "freezing server";	3151	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3152
		3153	cf::sync_job {
		3154	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3155	cf::emergency_save;
		3156	cf::write_runtime; # external watchdog should not bark
2278		3157
2279	warn "sync database to disk";	3158	warn "syncing database to disk";
2280	cf::db_sync;	3159	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3160
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3161	# if anything goes wrong in here, we should simply crash as we already saved
2285		3162
2286	warn "cancel all watchers";	3163	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3164	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3165	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3166	}
2290		3167
		3168	warn "flushing outstanding aio requests";
		3169	for (;;) {
		3170	BDB::flush;
		3171	IO::AIO::flush;
		3172	Coro::cede;
		3173	last unless IO::AIO::nreqs || BDB::nreqs;
		3174	warn "iterate...";
		3175	}
		3176
		3177	++$RELOAD;
		3178
2291	warn "cancel all extension coros";	3179	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3180	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3181	%EXT_CORO = ();
2294		3182
2295	warn "remove commands";	3183	warn "removing commands";
2296	%COMMAND = ();	3184	%COMMAND = ();
2297		3185
2298	warn "remove ext commands";	3186	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3187	%EXTCMD = ();
		3188	%EXTICMD = ();
2300		3189
2301	warn "unload/nuke all extensions";	3190	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3191	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3192	warn "... unloading $pkg";
2304		3193
2305	if (my $cb = $pkg->can ("unload")) {	3194	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3195	eval {
…		…
2311		3200
2312	warn "... nuking $pkg";	3201	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3202	Symbol::delete_package $pkg;
2314	}	3203	}
2315		3204
2316	warn "unload all perl modules loaded from $LIBDIR";	3205	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3206	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3207	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3208
2320	warn "removing <$k>";	3209	warn "... unloading $k";
2321	delete $INC{$k};	3210	delete $INC{$k};
2322		3211
2323	$k =~ s/\.pm$//;	3212	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3213	$k =~ s/\//::/g;
2325		3214
…		…
2328	}	3217	}
2329		3218
2330	Symbol::delete_package $k;	3219	Symbol::delete_package $k;
2331	}	3220	}
2332		3221
2333	warn "get rid of safe::, as good as possible";	3222	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3223	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3225
2337	warn "unload cf.pm \"a bit\"";	3226	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3227	delete $INC{"cf.pm"};
		3228	delete $INC{"cf/pod.pm"};
2339		3229
2340	# don't, removes xs symbols, too,	3230	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3231	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3232	#Symbol::delete_package __PACKAGE__;
2343		3233
		3234	warn "unload completed, starting to reload now";
		3235
2344	warn "reloading cf.pm";	3236	warn "reloading cf.pm";
2345	require cf;	3237	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3239
2348	warn "load config and database again";	3240	warn "loading config and database again";
2349	cf::cfg_load;	3241	cf::cfg_load;
2350	cf::db_load;
2351		3242
2352	warn "load extensions";	3243	warn "loading extensions";
2353	cf::load_extensions;	3244	cf::load_extensions;
2354		3245
2355	warn "reattach attachments to objects/players";	3246	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3247	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3248	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3249	reattach $_ for values %MAP;
2359	};	3250	warn "reattaching attachments to players";
		3251	reattach $_ for values %PLAYER;
2360		3252
2361	if ($@) {	3253	warn "leaving sync_job";
		3254
		3255	1
		3256	} or do {
2362	warn $@;	3257	warn $@;
2363	warn "error while reloading, exiting.";	3258	warn "error while reloading, exiting.";
2364	exit 1;	3259	exit 1;
2365	}	3260	};
2366		3261
2367	warn "reloaded";	3262	warn "reloaded";
2368	};	3263	};
2369		3264
		3265	our $RELOAD_WATCHER; # used only during reload
		3266
		3267	sub reload_perl() {
		3268	# doing reload synchronously and two reloads happen back-to-back,
		3269	# coro crashes during coro_state_free->destroy here.
		3270
		3271	$RELOAD_WATCHER ||= Event->timer (
		3272	reentrant => 0,
		3273	after => 0,
		3274	data => WF_AUTOCANCEL,
		3275	cb => sub {
		3276	do_reload_perl;
		3277	undef $RELOAD_WATCHER;
		3278	},
		3279	);
		3280	}
		3281
2370	register_command "reload" => sub {	3282	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3283	my ($who, $arg) = @_;
2372		3284
2373	if ($who->flag (FLAG_WIZ)) {	3285	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3286	$who->message ("reloading server.");
		3287	async { reload_perl };
2377	}	3288	}
2378	};	3289	};
2379		3290
2380	unshift @INC, $LIBDIR;	3291	unshift @INC, $LIBDIR;
2381		3292
		3293	my $bug_warning = 0;
		3294
		3295	our @WAIT_FOR_TICK;
		3296	our @WAIT_FOR_TICK_BEGIN;
		3297
		3298	sub wait_for_tick {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	sub wait_for_tick_begin {
		3308	return unless $TICK_WATCHER->is_active;
		3309	return if $Coro::current == $Coro::main;
		3310
		3311	my $signal = new Coro::Signal;
		3312	push @WAIT_FOR_TICK_BEGIN, $signal;
		3313	$signal->wait;
		3314	}
		3315
		3316	my $min = 1e6;#d#
		3317	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3318	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3319	reentrant => 0,
		3320	parked => 1,
2384	prio => 0,	3321	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3322	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3323	data => WF_AUTOCANCEL,
2387	cb => sub {	3324	cb => sub {
		3325	if ($Coro::current != $Coro::main) {
		3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3327	unless ++$bug_warning > 10;
		3328	return;
		3329	}
		3330
2388	$NOW = Event::time;	3331	$NOW = $tick_start = Event::time;
2389		3332
2390	cf::server_tick; # one server iteration	3333	cf::server_tick; # one server iteration
		3334
		3335	0 && sync_job {#d#
		3336	for(1..10) {
		3337	my $t = Event::time;
		3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3339	or die;
		3340
		3341	$map->width (50);
		3342	$map->height (50);
		3343	$map->alloc;
		3344	$map->_load_objects ("/tmp/x.map", 1);
		3345	my $t = Event::time - $t;
		3346
		3347	#next unless $t < 0.0013;#d#
		3348	if ($t < $min) {
		3349	$min = $t;
		3350	}
		3351	$avg = $avg * 0.99 + $t * 0.01;
		3352	}
		3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3354	exit 0;
		3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3356	};
		3357
2391	$RUNTIME += $TICK;	3358	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3359	$NEXT_TICK += $TICK;
2393		3360
2394	$WAIT_FOR_TICK->broadcast;	3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3363	Coro::async_pool {
		3364	write_runtime
		3365	or warn "ERROR: unable to write runtime file: $!";
		3366	};
		3367	}
		3368
		3369	# my $AFTER = Event::time;
		3370	# warn $AFTER - $NOW;#d#
		3371
		3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3373	$sig->send;
		3374	}
		3375	while (my $sig = shift @WAIT_FOR_TICK) {
		3376	$sig->send;
		3377	}
		3378
		3379	$NOW = Event::time;
2396		3380
2397	# if we are delayed by four ticks or more, skip them all	3381	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3383
2400	$TICK_WATCHER->at ($NEXT_TICK);	3384	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3385	$TICK_WATCHER->start;
		3386
		3387	$LOAD = ($NOW - $tick_start) / $TICK;
		3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3389
		3390	_post_tick;
		3391
		3392
2402	},	3393	},
2403	);	3394	);
2404		3395
		3396	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3397	BDB::max_poll_time $TICK * 0.1;
2406		3398	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3399	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3400	fd => BDB::poll_fileno,
2409	poll => 'r',	3401	poll => 'r',
2410	prio => 5,	3402	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3403	data => WF_AUTOCANCEL,
2417	after => 0,	3404	cb => \&BDB::poll_cb,
2418	interval => 10,	3405	);
2419	cb => sub {	3406	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3407
2421	write_runtime	3408	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3409	my $status;
		3410	my $current = $Coro::current;
		3411	(
		3412	sub {
		3413	$status = $!;
		3414	$current->ready; undef $current;
		3415	},
		3416	sub {
		3417	Coro::schedule while defined $current;
		3418	$! = $status;
		3419	},
		3420	)
		3421	};
		3422
		3423	unless ($DB_ENV) {
		3424	$DB_ENV = BDB::db_env_create;
		3425
		3426	cf::sync_job {
		3427	eval {
		3428	BDB::db_env_open
		3429	$DB_ENV,
		3430	$BDBDIR,
		3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3433	0666;
		3434
		3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3436
		3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3438	$DB_ENV->set_lk_detect;
		3439	};
		3440
		3441	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3442	};
2424	},	3443	}
2425	);	3444	}
		3445
		3446	{
		3447	IO::AIO::min_parallel 8;
		3448
		3449	undef $Coro::AIO::WATCHER;
		3450	IO::AIO::max_poll_time $TICK * 0.1;
		3451	$AIO_POLL_WATCHER = Event->io (
		3452	reentrant => 0,
		3453	data => WF_AUTOCANCEL,
		3454	fd => IO::AIO::poll_fileno,
		3455	poll => 'r',
		3456	prio => 6,
		3457	cb => \&IO::AIO::poll_cb,
		3458	);
		3459	}
		3460
		3461	my $_log_backtrace;
		3462
		3463	sub _log_backtrace {
		3464	my ($msg, @addr) = @_;
		3465
		3466	$msg =~ s/\n//;
		3467
		3468	# limit the # of concurrent backtraces
		3469	if ($_log_backtrace < 2) {
		3470	++$_log_backtrace;
		3471	async {
		3472	my @bt = fork_call {
		3473	@addr = map { sprintf "%x", $_ } @addr;
		3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3476	or die "addr2line: $!";
		3477
		3478	my @funcs;
		3479	my @res = <$fh>;
		3480	chomp for @res;
		3481	while (@res) {
		3482	my ($func, $line) = splice @res, 0, 2, ();
		3483	push @funcs, "[$func] $line";
		3484	}
		3485
		3486	@funcs
		3487	};
		3488
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] $_\n" for @bt;
		3491	--$_log_backtrace;
		3492	};
		3493	} else {
		3494	LOG llevInfo, "[ABT] $msg\n";
		3495	LOG llevInfo, "[ABT] [suppressed]\n";
		3496	}
		3497	}
		3498
		3499	# load additional modules
		3500	use cf::pod;
2426		3501
2427	END { cf::emergency_save }	3502	END { cf::emergency_save }
2428		3503
2429	1	3504	1
2430		3505

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