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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	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 = ();
		53
		54	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
39		59
		60	our $RELOAD; # number of reloads so far
40	our @EVENT;	61	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		62
43	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(!)
44	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	79	our $NEXT_TICK;
46	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;
47		85
48	our %CFG;	86	our %CFG;
49		87
50	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	89	our $RUNTIME;
52		90
53	our %PLAYER; # all users	91	our %PLAYER; # all users
54	our %MAP; # all maps	92	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		94
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
61		101
62	binmode STDOUT;	102	binmode STDOUT;
63	binmode STDERR;	103	binmode STDERR;
64		104
65	# read virtual server time, if available	105	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
70	}	110	}
71		111
72	mkdir cf::localdir;	112	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		114
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
81		118
82	#############################################################################	119	#############################################################################
83		120
84	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
85		122
…		…
92	=item $cf::RUNTIME	129	=item $cf::RUNTIME
93		130
94	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
95	every server tick.	132	every server tick.
96		133
97	=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
98		137
99	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		142
102	=item $cf::NOW	143	=item $cf::NOW
103		144
104	The time of the last (current) server tick.	145	The time of the last (current) server tick.
105		146
106	=item $cf::TICK	147	=item $cf::TICK
107		148
108	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.
109		160
110	=item %cf::CFG	161	=item %cf::CFG
111		162
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	164	from wherever your confdir points to.
114		165
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		167
117	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
118	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
119	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.
120	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.
121		177
122	=back	178	=back
123		179
124	=cut	180	=cut
125		181
126	BEGIN {	182	BEGIN {
127	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	184	my $msg = join "", @_;
129	utf8::encode $msg;
130		185
131	$msg .= "\n"	186	$msg .= "\n"
132	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
133		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
134	LOG llevError, $msg;	192	LOG llevError, $msg;
135	};	193	};
136	}	194	}
137		195
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		203
145	# 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
146	# within the Safe compartment.	205	# within the Safe compartment.
147	for my $pkg (qw(	206	for my $pkg (qw(
148	cf::global cf::attachable	207	cf::global cf::attachable
…		…
157		216
158	$Event::DIED = sub {	217	$Event::DIED = sub {
159	warn "error in event callback: @_";	218	warn "error in event callback: @_";
160	};	219	};
161		220
162	my %ext_pkg;	221	#############################################################################
163	my @exts;
164	my @hook;
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	$guard
265	}	325	}
266		326
267	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
274		334
275	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
276		336
277	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
278		338
279	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
282		343
283	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
286	fast or be very important.	347	fast or be very important.
…		…
289		350
290	sub sync_job(&) {	351	sub sync_job(&) {
291	my ($job) = @_;	352	my ($job) = @_;
292		353
293	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
294	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
296		359
297	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
309		372
310	while ($busy) {	373	while ($busy) {
311	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
312	}	375	}
313		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
314	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
315	} else {	385	} else {
316	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
317		387
318	$job->()	388	$job->()
319	}	389	}
320	}	390	}
321		391
322	=item $coro = cf::async_ext { BLOCK }	392	=item $coro = cf::async_ext { BLOCK }
323		393
324	Like async, but this coro is automcatially being canceled when the	394	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	395	extension calling this is being unloaded.
326		396
327	=cut	397	=cut
328		398
329	sub async_ext(&) {	399	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
338		408
339	$coro	409	$coro
340	}	410	}
341		411
342	sub write_runtime {	412	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		413
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
346	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
347		418
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	419	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		420
352	aio_fsync $fh	421	sub _store_scalar {
353	and return;	422	open my $fh, ">", \my $buf
354		423	or die "fork_call: cannot open fh-to-buf in child : $!";
		424	Storable::store_fd $_[0], $fh;
355	close $fh	425	close $fh;
356	or return;
357		426
358	aio_rename "$runtime~", $runtime	427	$buf
359	and return;	428	}
360		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
361	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	599	}
363		600
364	=back	601	=back
365		602
366	=cut	603	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		604
490	#############################################################################	605	#############################################################################
491		606
492	=head2 ATTACHABLE OBJECTS	607	=head2 ATTACHABLE OBJECTS
493		608
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
497		612
498	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	615	Crossfire TRT).
501		616
502	=over 4	617	=over 4
503		618
504	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
505		620
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	734	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	735	our @CB_MAP = ();
621		736
622	my %attachment;	737	my %attachment;
623		738
		739	sub cf::attachable::thawer_merge {
		740	# simply override everything except _meta
		741	local $_[0]{_meta};
		742	%{$_[0]} = %{$_[1]};
		743	}
		744
624	sub _attach_cb($$$$) {	745	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	746	my ($registry, $event, $prio, $cb) = @_;
626		747
627	use sort 'stable';	748	use sort 'stable';
628		749
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
663		784
664	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		789
669	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	791	my $pkg = shift @arg;
671		792
672	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
702	}	823	}
703		824
704	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
705	} else {	826	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	828	}
708		829
709	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
710	}	831	}
711		832
…		…
713	if (ref $_[0]) {	834	if (ref $_[0]) {
714	_object_attach @_;	835	_object_attach @_;
715	} else {	836	} else {
716	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
717	}	838	}
		839	_recalc_want;
718	};	840	};
719		841
720	# all those should be optimised	842	# all those should be optimised
721	sub cf::attachable::detach {	843	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
726	reattach ($obj);	848	reattach ($obj);
727	} else {	849	} else {
728	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
729	}	851	}
		852	_recalc_want;
730	};	853	};
731		854
732	sub cf::attachable::attached {	855	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
734		857
…		…
749	";	872	";
750	die if $@;	873	die if $@;
751	}	874	}
752		875
753	our $override;	876	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		878
756	sub override {	879	sub override {
757	$override = 1;	880	$override = 1;
758	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
759	}	882	}
760		883
761	sub do_invoke {	884	sub do_invoke {
762	my $event = shift;	885	my $event = shift;
763	my $callbacks = shift;	886	my $callbacks = shift;
764		887
765	@invoke_results = ();	888	@INVOKE_RESULTS = ();
766		889
767	local $override;	890	local $override;
768		891
769	for (@$callbacks) {	892	for (@$callbacks) {
770	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
787		910
788	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
789		912
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		916
794	=back	917	=back
795		918
796	=cut	919	=cut
797		920
…		…
799	# object support	922	# object support
800		923
801	sub reattach {	924	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	925	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	926	my ($obj) = @_;
		927
		928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		929
805	my $registry = $obj->registry;	930	my $registry = $obj->registry;
806		931
807	@$registry = ();	932	@$registry = ();
808		933
…		…
855	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
856		981
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	986	close $fh;
862		987
863	if (@$objs) {	988	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	994	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
871	}	996	}
872	} else {	997	} else {
873	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
905	or return;	1030	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1032	}
908		1033
909	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1036	return ($data, $av);
912	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
913		1044
914	#############################################################################	1045	#############################################################################
915	# command handling &c	1046	# command handling &c
916		1047
917	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1062	}
932		1063
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1065
935	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
936		1071
937	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
938	called.	1073	called.
939		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
940	=cut	1086	=cut
941		1087
942	sub register_extcmd {	1088	sub register_extcmd {
943	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
944		1090
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
949	}	1098	}
950		1099
951	cf::player->attach (	1100	cf::player->attach (
952	on_command => sub {	1101	on_command => sub {
953	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1111	cf::override;
963	},	1112	},
964	on_extcmd => sub {	1113	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
966		1115
967	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1117
969	if (ref $msg) {	1118	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	1122	}
974	}	1123	}
975	} else {	1124	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		1127
979	cf::override;	1128	cf::override;
980	},	1129	},
981	);	1130	);
982		1131
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
1060	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1137	next unless -r $path;
1062	eval {	1138
1063	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
1064	1	1196	}
1065	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
1066	}	1202	};
1067	}	1203	}
1068		1204
1069	#############################################################################	1205	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1206
1072	*cf::mapsupport::on_clean = sub {	1207	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1208
1085	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
1086		1210
1087	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
1088		1212
…		…
1101	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
1102		1226
1103	=cut	1227	=cut
1104		1228
1105	sub playerdir($) {	1229	sub playerdir($) {
1106	cf::localdir	1230	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1232	}
1112		1233
1113	sub path($) {	1234	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1236
1116	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
1117	}	1238	}
1118		1239
1119	sub find_active($) {	1240	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
1124		1245
1125	sub exists($) {	1246	sub exists($) {
1126	my ($login) = @_;	1247	my ($login) = @_;
1127		1248
1128	$cf::PLAYER{$login}	1249	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1250	or cf::sync_job { !aio_stat path $login }
1130	}	1251	}
1131		1252
1132	sub find($) {	1253	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1254	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1255	my $login = $_[0];
1135		1256
1136	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
1137		1258
1138	$cf::PLAYER{$_[0]} || do {	1259	$cf::PLAYER{$_[0]} || do {
		1260	# rename old playerfiles to new ones
		1261	#TODO: remove when no longer required
		1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1265	aio_unlink +(playerdir $login) . "/$login.pl";
		1266
1139	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
1140	or return;	1268	or return;
1141	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
1142	}	1270	}
1143	}	1271	}
…		…
1180		1308
1181	=cut	1309	=cut
1182		1310
1183	sub quit_character {	1311	sub quit_character {
1184	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1185		1315
1186	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1317	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1318
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1328	$pl->destroy;
		1329
		1330	my $prefix = qr<^~\Q$name\E/>;
		1331
		1332	# nuke player maps
		1333	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1334
1199	IO::AIO::aio_rmtree $temp;	1335	IO::AIO::aio_rmtree $temp;
		1336	}
		1337
		1338	=item $pl->kick
		1339
		1340	Kicks a player out of the game. This destroys the connection.
		1341
		1342	=cut
		1343
		1344	sub kick {
		1345	my ($pl, $kicker) = @_;
		1346
		1347	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1348	$pl->killer ("kicked");
		1349	$pl->ns->destroy;
1200	}	1350	}
1201		1351
1202	=item cf::player::list_logins	1352	=item cf::player::list_logins
1203		1353
1204	Returns am arrayref of all valid playernames in the system, can take a	1354	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1206		1356
1207	=cut	1357	=cut
1208		1358
1209	sub list_logins {	1359	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1361	or return [];
1212		1362
1213	my @logins;	1363	my @logins;
1214		1364
1215	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1224	\@logins	1374	\@logins
1225	}	1375	}
1226		1376
1227	=item $player->maps	1377	=item $player->maps
1228		1378
1229	Returns an arrayref of cf::path's of all maps that are private for this	1379	Returns an arrayref of map paths that are private for this
1230	player. May block.	1380	player. May block.
1231		1381
1232	=cut	1382	=cut
1233		1383
1234	sub maps($) {	1384	sub maps($) {
1235	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1388
1237	my $files = aio_readdir playerdir $pl	1389	my $files = aio_readdir playerdir $pl
1238	or return;	1390	or return;
1239		1391
1240	my @paths;	1392	my @paths;
1241		1393
1242	for (@$files) {	1394	for (@$files) {
1243	utf8::decode $_;	1395	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1396	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1397	next unless /^$PATH_SEP/o;
1246		1398
1247	s/$PATH_SEP/\//g;	1399	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1400	}
1250		1401
1251	\@paths	1402	\@paths
1252	}	1403	}
1253		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1255		1456
1256	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1257		1458
1258	=cut	1459	=cut
1259		1460
1260	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1262		1463
1263	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1264		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1466	}
1267		1467
1268	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		1475	my ($self, $type, %msg) = @_;
		1476
		1477	$self->ns->ext_event ($type, %msg);
		1478	}
		1479
		1480	=head3 cf::region
		1481
		1482	=over 4
		1483
		1484	=cut
		1485
		1486	package cf::region;
		1487
		1488	=item cf::region::find_by_path $path
		1489
		1490	Tries to decuce the likely region for a map knowing only its path.
		1491
		1492	=cut
		1493
		1494	sub find_by_path($) {
		1495	my ($path) = @_;
		1496
		1497	my ($match, $specificity);
		1498
		1499	for my $region (list) {
		1500	if ($region->{match} && $path =~ $region->{match}) {
		1501	($match, $specificity) = ($region, $region->specificity)
		1502	if $region->specificity > $specificity;
		1503	}
		1504	}
		1505
		1506	$match
		1507	}
1269		1508
1270	=back	1509	=back
1271
1272		1510
1273	=head3 cf::map	1511	=head3 cf::map
1274		1512
1275	=over 4	1513	=over 4
1276		1514
…		…
1279	package cf::map;	1517	package cf::map;
1280		1518
1281	use Fcntl;	1519	use Fcntl;
1282	use Coro::AIO;	1520	use Coro::AIO;
1283		1521
		1522	use overload
		1523	'""' => \&as_string,
		1524	fallback => 1;
		1525
1284	our $MAX_RESET = 3600;	1526	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1527	our $DEFAULT_RESET = 3000;
1286		1528
1287	sub generate_random_map {	1529	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1530	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1531	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1532	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1536	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1537	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1543	(cf::region::find $rmp->{region}), $rmp->{custom}
		1544	)
		1545	}
		1546
		1547	=item cf::map->register ($regex, $prio)
		1548
		1549	Register a handler for the map path matching the given regex at the
		1550	givne priority (higher is better, built-in handlers have priority 0, the
		1551	default).
		1552
		1553	=cut
		1554
		1555	sub register {
		1556	my (undef, $regex, $prio) = @_;
		1557	my $pkg = caller;
		1558
		1559	no strict;
		1560	push @{"$pkg\::ISA"}, __PACKAGE__;
		1561
		1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1563	}
		1564
		1565	# also paths starting with '/'
		1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1567
		1568	sub thawer_merge {
		1569	my ($self, $merge) = @_;
		1570
		1571	# we have to keep some variables in memory intact
		1572	local $self->{path};
		1573	local $self->{load_path};
		1574
		1575	$self->SUPER::thawer_merge ($merge);
		1576	}
		1577
		1578	sub normalise {
		1579	my ($path, $base) = @_;
		1580
		1581	$path = "$path"; # make sure its a string
		1582
		1583	$path =~ s/\.map$//;
		1584
		1585	# map plan:
		1586	#
		1587	# /! non-realised random map exit (special hack!)
		1588	# {... are special paths that are not being touched
		1589	# ?xxx/... are special absolute paths
		1590	# ?random/... random maps
		1591	# /... normal maps
		1592	# ~user/... per-player map of a specific user
		1593
		1594	$path =~ s/$PATH_SEP/\//go;
		1595
		1596	# treat it as relative path if it starts with
		1597	# something that looks reasonable
		1598	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1599	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1600
		1601	$base =~ s{[^/]+/?$}{};
		1602	$path = "$base/$path";
		1603	}
		1604
		1605	for ($path) {
		1606	redo if s{//}{/};
		1607	redo if s{/\.?/}{/};
		1608	redo if s{/[^/]+/\.\./}{/};
		1609	}
		1610
		1611	$path
		1612	}
		1613
		1614	sub new_from_path {
		1615	my (undef, $path, $base) = @_;
		1616
		1617	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1618
		1619	$path = normalise $path, $base;
		1620
		1621	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1622	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1623	my $self = bless cf::map::new, $pkg;
		1624	$self->{path} = $path; $self->path ($path);
		1625	$self->init; # pass $1 etc.
		1626	return $self;
		1627	}
		1628	}
		1629
		1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1631	()
		1632	}
		1633
		1634	sub init {
		1635	my ($self) = @_;
		1636
		1637	$self
		1638	}
		1639
		1640	sub as_string {
		1641	my ($self) = @_;
		1642
		1643	"$self->{path}"
		1644	}
		1645
		1646	# the displayed name, this is a one way mapping
		1647	sub visible_name {
		1648	&as_string
		1649	}
		1650
		1651	# the original (read-only) location
		1652	sub load_path {
		1653	my ($self) = @_;
		1654
		1655	"$MAPDIR/$self->{path}.map"
		1656	}
		1657
		1658	# the temporary/swap location
		1659	sub save_path {
		1660	my ($self) = @_;
		1661
		1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1663	"$TMPDIR/$path.map"
		1664	}
		1665
		1666	# the unique path, undef == no special unique path
		1667	sub uniq_path {
		1668	my ($self) = @_;
		1669
		1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1671	"$UNIQUEDIR/$path"
1304	}	1672	}
1305		1673
1306	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1307	# all maps in C++...	1675	# all maps in C++...
1308	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1310		1678
1311	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1313	}	1681	}
1314		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
		1691	sub unlink_save {
		1692	my ($self) = @_;
		1693
		1694	utf8::encode (my $save = $self->save_path);
		1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1696	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1697	}
		1698
1315	sub try_load_header($) {	1699	sub load_header_from($) {
1316	my ($path) = @_;	1700	my ($self, $path) = @_;
1317		1701
1318	utf8::encode $path;	1702	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1703	#aio_open $path, O_RDONLY, 0
		1704	# or return;
		1705
		1706	$self->_load_header ($path)
1320	or return;	1707	or return;
1321		1708
1322	my $map = cf::map::new	1709	$self->{load_path} = $path;
		1710
		1711	1
		1712	}
		1713
		1714	sub load_header_orig {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->load_path)
		1718	}
		1719
		1720	sub load_header_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->load_header_from ($self->save_path)
		1724	}
		1725
		1726	sub prepare_temp {
		1727	my ($self) = @_;
		1728
		1729	$self->last_access ((delete $self->{last_access})
		1730	|| $cf::RUNTIME); #d#
		1731	# safety
		1732	$self->{instantiate_time} = $cf::RUNTIME
		1733	if $self->{instantiate_time} > $cf::RUNTIME;
		1734	}
		1735
		1736	sub prepare_orig {
		1737	my ($self) = @_;
		1738
		1739	$self->{load_original} = 1;
		1740	$self->{instantiate_time} = $cf::RUNTIME;
		1741	$self->last_access ($cf::RUNTIME);
		1742	$self->instantiate;
		1743	}
		1744
		1745	sub load_header {
		1746	my ($self) = @_;
		1747
		1748	if ($self->load_header_temp) {
		1749	$self->prepare_temp;
		1750	} else {
		1751	$self->load_header_orig
1323	or return;	1752	or return;
		1753	$self->prepare_orig;
		1754	}
1324		1755
1325	# for better error messages only, will be overwritten	1756	$self->{deny_reset} = 1
1326	$map->path ($path);	1757	if $self->no_reset;
1327		1758
1328	$map->load_header ($path)	1759	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1760	unless $self->default_region;
1330		1761
1331	$map->{load_path} = $path;	1762	1
1332
1333	$map
1334	}	1763	}
1335		1764
1336	sub find;	1765	sub find;
1337	sub find {	1766	sub find {
1338	my ($path, $origin) = @_;	1767	my ($path, $origin) = @_;
1339		1768
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1769	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1770
1345	cf::lock_wait "map_find:$key";	1771	cf::lock_wait "map_find:$path";
1346		1772
1347	$cf::MAP{$key} || do {	1773	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1774	my $guard = cf::lock_acquire "map_find:$path";
1349		1775	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1776	or return;
1369		1777
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1382		1779
1383	Coro::cede;	1780	$map->load_header
		1781	or return;
1384		1782
1385	if ($map->should_reset) {	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1784	# doing this can freeze the server in a sync job, obviously
		1785	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1786	$map->reset;
1387	undef $guard;	1787	undef $guard;
1388	$map = find $path	1788	return find $path;
1389	or return;
1390	}	1789	}
1391		1790
1392	$cf::MAP{$key} = $map	1791	$cf::MAP{$path} = $map
1393	}	1792	}
1394	}	1793	}
		1794
		1795	sub pre_load { }
		1796	sub post_load { }
1395		1797
1396	sub load {	1798	sub load {
1397	my ($self) = @_;	1799	my ($self) = @_;
1398		1800
		1801	local $self->{deny_reset} = 1; # loading can take a long time
		1802
1399	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1806	my $guard = cf::lock_acquire "map_load:$path";
1401		1807
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1809
1404	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1405		1811
1406	$self->alloc;	1812	$self->alloc;
		1813
		1814	$self->pre_load;
		1815	Coro::cede;
		1816
1407	$self->load_objects ($self->{load_path}, 1)	1817	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1818	or return;
1409		1819
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1821	if delete $self->{load_original};
1412		1822
1413	if (my $uniq = $path->uniq_path) {	1823	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1824	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1825	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1826	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1827	$self->_load_objects ($uniq, 0);
1418	}	1828	}
1419	}	1829	}
1420		1830
1421	Coro::cede;	1831	Coro::cede;
1422
1423	# now do the right thing for maps	1832	# now do the right thing for maps
1424	$self->link_multipart_objects;	1833	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1835	unless $self->difficulty;
		1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1436	$self->activate;	1845	$self->activate;
1437	}	1846	}
1438		1847
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1848	$self->in_memory (cf::MAP_IN_MEMORY);
		1849	}
		1850
		1851	$self->post_load;
		1852	}
		1853
		1854	sub customise_for {
		1855	my ($self, $ob) = @_;
		1856
		1857	return find "~" . $ob->name . "/" . $self->{path}
		1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
		1862
		1863	$self
		1864	}
		1865
		1866	# find and load all maps in the 3x3 area around a map
		1867	sub load_diag {
		1868	my ($map) = @_;
		1869
		1870	my @diag; # diagonal neighbours
		1871
		1872	for (0 .. 3) {
		1873	my $neigh = $map->tile_path ($_)
		1874	or next;
		1875	$neigh = find $neigh, $map
		1876	or next;
		1877	$neigh->load;
		1878
		1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1881	}
		1882
		1883	for (@diag) {
		1884	my $neigh = find @$_
		1885	or next;
		1886	$neigh->load;
		1887	}
1442	}	1888	}
1443		1889
1444	sub find_sync {	1890	sub find_sync {
1445	my ($path, $origin) = @_;	1891	my ($path, $origin) = @_;
1446		1892
1447	cf::sync_job { cf::map::find $path, $origin }	1893	cf::sync_job { find $path, $origin }
1448	}	1894	}
1449		1895
1450	sub do_load_sync {	1896	sub do_load_sync {
1451	my ($map) = @_;	1897	my ($map) = @_;
1452		1898
1453	cf::sync_job { $map->load };	1899	cf::sync_job { $map->load };
1454	}	1900	}
1455		1901
		1902	our %MAP_PREFETCH;
		1903	our $MAP_PREFETCHER = undef;
		1904
		1905	sub find_async {
		1906	my ($path, $origin) = @_;
		1907
		1908	$path = normalise $path, $origin && $origin->{path};
		1909
		1910	if (my $map = $cf::MAP{$path}) {
		1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1912	}
		1913
		1914	undef $MAP_PREFETCH{$path};
		1915	$MAP_PREFETCHER ||= cf::async {
		1916	while (%MAP_PREFETCH) {
		1917	for my $path (keys %MAP_PREFETCH) {
		1918	if (my $map = find $path) {
		1919	$map->load;
		1920	}
		1921
		1922	delete $MAP_PREFETCH{$path};
		1923	}
		1924	}
		1925	undef $MAP_PREFETCHER;
		1926	};
		1927	$MAP_PREFETCHER->prio (6);
		1928
		1929	()
		1930	}
		1931
1456	sub save {	1932	sub save {
1457	my ($self) = @_;	1933	my ($self) = @_;
1458		1934
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1936
1461	$self->{last_save} = $cf::RUNTIME;	1937	$self->{last_save} = $cf::RUNTIME;
1462		1938
1463	return unless $self->dirty;	1939	return unless $self->dirty;
1464		1940
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1941	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1942	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1943
1468	$self->{load_path} = $save;	1944	$self->{load_path} = $save;
1469		1945
1470	return if $self->{deny_save};	1946	return if $self->{deny_save};
1471		1947
…		…
1474	cf::async {	1950	cf::async {
1475	$_->contr->save for $self->players;	1951	$_->contr->save for $self->players;
1476	};	1952	};
1477		1953
1478	if ($uniq) {	1954	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1957	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1959	}
1484	}	1960	}
1485		1961
1486	sub swap_out {	1962	sub swap_out {
1487	my ($self) = @_;	1963	my ($self) = @_;
…		…
1501		1977
1502	sub reset_at {	1978	sub reset_at {
1503	my ($self) = @_;	1979	my ($self) = @_;
1504		1980
1505	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1508		1983
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1986
…		…
1516	my ($self) = @_;	1991	my ($self) = @_;
1517		1992
1518	$self->reset_at <= $cf::RUNTIME	1993	$self->reset_at <= $cf::RUNTIME
1519	}	1994	}
1520		1995
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1996	sub reset {
1543	my ($self) = @_;	1997	my ($self) = @_;
1544		1998
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2000
1547	return if $self->players;	2001	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2002
1550	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
		2004
		2005	$self->in_memory (cf::MAP_SWAPPED);
		2006
		2007	# need to save uniques path
		2008	unless ($self->{deny_save}) {
		2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2010
		2011	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2012	if $uniq;
		2013	}
1551		2014
1552	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
		2016
		2017	$self->clear;
1553		2018
1554	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1555		2020
1556	$self->unlink_save;	2021	$self->unlink_save;
1557	$self->destroy;	2022	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	2025	my $nuke_counter = "aaaa";
1561		2026
1562	sub nuke {	2027	sub nuke {
1563	my ($self) = @_;	2028	my ($self) = @_;
1564		2029
		2030	delete $cf::MAP{$self->path};
		2031
		2032	$self->unlink_save;
		2033
		2034	bless $self, "cf::map";
		2035	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2036	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2037	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2039
		2040	$cf::MAP{$self->path} = $self;
		2041
1568	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1569	}	2043	}
1570		2044
1571	sub customise_for {	2045	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2046
1574	if ($map->per_player) {	2047	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
1576	}	2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
1577		2062
1578	$map	2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
		2079	}
		2080
		2081	=item cf::map::unique_maps
		2082
		2083	Returns an arrayref of paths of all shared maps that have
		2084	instantiated unique items. May block.
		2085
		2086	=cut
		2087
		2088	sub unique_maps() {
		2089	[
		2090	map {
		2091	utf8::decode $_;
		2092	/\.map$/
		2093	? normalise $_
		2094	: ()
		2095	} @{ aio_readdir $UNIQUEDIR or [] }
		2096	]
1579	}	2097	}
1580		2098
1581	package cf;	2099	package cf;
1582		2100
1583	=back	2101	=back
…		…
1629		2147
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2149
1632	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1634	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1637	}	2169	}
1638	}	2170	}
1639		2171
1640	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1641		2173
…		…
1655		2187
1656	=item $player_object->enter_link	2188	=item $player_object->enter_link
1657		2189
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2190	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2191
1660	The player should be reaosnably safe there for short amounts of time. You	2192	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	2193	I<MUST> call C<leave_link> as soon as possible, though.
1662		2194
		2195	Will never block.
		2196
1663	=item $player_object->leave_link ($map, $x, $y)	2197	=item $player_object->leave_link ($map, $x, $y)
1664		2198
1665	Moves the player out of the specila link map onto the given map. If the	2199	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2200	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2201	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2202	fails, to the emergency map position.
1669		2203
1670	Might block.	2204	Might block.
1671		2205
1672	=cut	2206	=cut
		2207
		2208	sub link_map {
		2209	unless ($LINK_MAP) {
		2210	$LINK_MAP = cf::map::find "{link}"
		2211	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2212	$LINK_MAP->load;
		2213	}
		2214
		2215	$LINK_MAP
		2216	}
1673		2217
1674	sub cf::object::player::enter_link {	2218	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2219	my ($self) = @_;
1676		2220
1677	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1678		2222
1679	return if $self->map == $LINK_MAP;	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2224
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1683		2227
1684	$self->enter_map ($LINK_MAP, 20, 20);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	2229	}
1686		2230
1687	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1689		2235
1690	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1691		2237
1692	unless ($map) {	2238	unless ($map) {
1693	# restore original map position	2239	# restore original map position
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	2253	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2254	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2255	if $x <=0 && $y <= 0;
1710		2256
1711	$map->load;	2257	$map->load;
		2258	$map->load_diag;
1712		2259
1713	return unless $self->contr->active;	2260	return unless $self->contr->active;
1714	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1716	}	2265	}
1717		2266
1718	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1719	on_logout => sub {
1720	my ($pl) = @_;
1721		2268
1722	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1723	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1724	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1725	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1726	};	2273	be called at the end of this process.
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2274
1732	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749
1750	=item $player_object->goto ($path, $x, $y)
1751
1752	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1753		2278
1754	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2281
1757	$path = new cf::path $path;	2282	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2284
1760	$self->enter_link;	2285	$self->enter_link;
1761		2286
1762	(async {	2287	(async {
		2288	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
1765		2293	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2294	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
1770		2297
		2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
		2304	}
		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1772	})->prio (1);	2312	})->prio (1);
1773	}	2313	}
1774		2314
1775	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1776		2316
…		…
1778		2318
1779	sub parse_random_map_params {	2319	sub parse_random_map_params {
1780	my ($spec) = @_;	2320	my ($spec) = @_;
1781		2321
1782	my $rmp = { # defaults	2322	my $rmp = { # defaults
1783	xsize => 10,	2323	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2324	ysize => (cf::rndm 15, 40),
		2325	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2326	#layout => string,
1785	};	2327	};
1786		2328
1787	for (split /\n/, $spec) {	2329	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2330	my ($k, $v) = split /\s+/, $_, 2;
1789		2331
…		…
1793	$rmp	2335	$rmp
1794	}	2336	}
1795		2337
1796	sub prepare_random_map {	2338	sub prepare_random_map {
1797	my ($exit) = @_;	2339	my ($exit) = @_;
		2340
		2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		2342
1799	# all this does is basically replace the /! path by	2343	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	2344	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	2345	# that depends on the exit object
1802		2346
1803	my $rmp = parse_random_map_params $exit->msg;	2347	my $rmp = parse_random_map_params $exit->msg;
1804		2348
1805	if ($exit->map) {	2349	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2350	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2351	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2352	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2353	$rmp->{origin_y} = $exit->y;
1810	}	2354	}
1811		2355
1812	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1813		2357
1814	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
		2360	my $meta = "$RANDOMDIR/$md5.meta";
1816		2361
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
		2364	undef $fh;
		2365	aio_rename "$meta~", $meta;
1819		2366
1820	$exit->slaying ("?random/$md5");	2367	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2368	$exit->msg (undef);
1822	}	2369	}
1823	}	2370	}
…		…
1825	sub cf::object::player::enter_exit {	2372	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2373	my ($self, $exit) = @_;
1827		2374
1828	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1829		2376
		2377	if ($exit->slaying eq "/!") {
		2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2379	# the problem is that $exit might not survive long enough
		2380	# so it needs to be done right now, right here
		2381	cf::sync_job { prepare_random_map $exit };
		2382	}
		2383
		2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2385	my $hp = $exit->stats->hp;
		2386	my $sp = $exit->stats->sp;
		2387
1830	$self->enter_link;	2388	$self->enter_link;
		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
1831		2393
1832	(async {	2394	(async {
1833	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2396	unless (eval {
1835	prepare_random_map $exit	2397	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		2398
1841	1;	2399	1;
1842	}) {	2400	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2402	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2403	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2405
1848	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2407	$self->leave_link;
1850	}	2408	}
1851	})->prio (1);	2409	})->prio (1);
…		…
1864		2422
1865	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1867		2425
1868	utf8::encode $text;	2426	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2428	}
1871		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
		2470	=item $client->ext_event ($type, %msg)
		2471
		2472	Sends an ext event to the client.
		2473
		2474	=cut
		2475
		2476	sub cf::client::ext_event($$%) {
		2477	my ($self, $type, %msg) = @_;
		2478
		2479	return unless $self->extcmd;
		2480
		2481	$msg{msgtype} = "event_$type";
		2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2483	}
1872		2484
1873	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1874		2486
1875	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		2490
1879	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	2492	become reliable at some point in the future.
1881		2493
1882	=cut	2494	=cut
1883		2495
1884	sub cf::client::query {	2496	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	2505	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		2507
1896	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
1898	}	2512	}
1899		2513
1900	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
1901	on_reply => sub {	2520	on_reply => sub {
1902	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
1903		2522
1904	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
1905	# get handled first	2524	# get handled first
1906	my $queue = delete $ns->{query_queue}	2525	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2526	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2527
1909	(shift @$queue)->[1]->($msg);	2528	(shift @$queue)->[1]->($msg);
		2529	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2530
1911	push @{ $ns->{query_queue} }, @$queue;	2531	push @{ $ns->{query_queue} }, @$queue;
1912		2532
1913	if (@{ $ns->{query_queue} } == @$queue) {	2533	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2534	if (@$queue) {
…		…
1916	} else {	2536	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	2538	}
1919	}	2539	}
1920	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
1921	);	2559	);
1922		2560
1923	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
1924		2562
1925	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
1972		2610
1973	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
1974		2612
1975	=pod	2613	=pod
1976		2614
1977	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
1978		2616
1979	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
1980	cf::object::player player	2621	cf::object::player
1981	cf::player peaceful	2622	player
1982	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
1983		2629
1984	=cut	2630	=cut
1985		2631
1986	for (	2632	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
1988	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
1990	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
1991	) {	2638	) {
1992	no strict 'refs';	2639	no strict 'refs';
…		…
2063	=back	2710	=back
2064		2711
2065	=cut	2712	=cut
2066		2713
2067	#############################################################################	2714	#############################################################################
		2715	# the server's init and main functions
2068		2716
2069	=head2 EXTENSION DATABASE SUPPORT	2717	sub load_facedata($) {
		2718	my ($path) = @_;
2070		2719
2071	Crossfire maintains a very simple database for extension use. It can	2720	warn "loading facedata from $path\n";
2072	currently store anything that can be serialised using Storable, which
2073	excludes objects.
2074		2721
2075	The parameter C<$family> should best start with the name of the extension	2722	my $facedata;
2076	using it, it should be unique.	2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
2077		2725
2078	=over 4	2726	$facedata = Coro::Storable::thaw $facedata;
2079		2727
2080	=item $hashref = cf::db_get $family	2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
2081		2730
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key
2087
2088	Returns a single value from the database
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}	2731	{
		2732	my $faces = $facedata->{faceinfo};
2118		2733
2119	my $pid;	2734	while (my ($face, $info) = each %$faces) {
		2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
		2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2120		2740
2121	sub db_save() {	2741	cf::cede_to_tick;
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});
2141
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {
2148	@_ >= 2
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152
2153	sub db_put($$;$) {
2154	if (@_ >= 3) {
2155	$DB->{$_[0]}{$_[1]} = $_[2];
2156	} else {
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2742	}
2167	);
2168	}
2169		2743
2170	#############################################################################	2744	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	2745	next unless $info->{smooth};
		2746	my $idx = cf::face::find $face
		2747	or next;
		2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
		2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2751	} else {
		2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2753	}
		2754
		2755	cf::cede_to_tick;
		2756	}
		2757	}
		2758
		2759	{
		2760	my $anims = $facedata->{animinfo};
		2761
		2762	while (my ($anim, $info) = each %$anims) {
		2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
		2798	}
		2799
		2800	1
		2801	}
		2802
		2803	sub reload_regions {
		2804	load_resource_file "$MAPDIR/regions"
		2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
		2811	}
		2812
		2813	sub reload_facedata {
		2814	load_facedata "$DATADIR/facedata"
		2815	or die "unable to load facedata\n";
		2816	}
		2817
		2818	sub reload_archetypes {
		2819	load_resource_file "$DATADIR/archetypes"
		2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
		2826	}
		2827
		2828	sub reload_treasures {
		2829	load_resource_file "$DATADIR/treasures"
		2830	or die "unable to load treasurelists\n";
		2831	}
		2832
		2833	sub reload_resources {
		2834	warn "reloading resource files...\n";
		2835
		2836	reload_regions;
		2837	reload_facedata;
		2838	#reload_archetypes;#d#
		2839	reload_archetypes;
		2840	reload_treasures;
		2841
		2842	warn "finished reloading resource files\n";
		2843	}
		2844
		2845	sub init {
		2846	reload_resources;
		2847	}
2172		2848
2173	sub cfg_load {	2849	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	2851	or return;
2176		2852
2177	local $/;	2853	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2179		2855
…		…
2193		2869
2194	sub main {	2870	sub main {
2195	# we must not ever block the main coroutine	2871	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2872	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2874	(async {
2198	async { Event::one_event };	2875	Event::one_event;
		2876	})->prio (Coro::PRIO_MAX);
2199	};	2877	};
2200		2878
2201	cfg_load;	2879	cfg_load;
2202	db_load;	2880	db_init;
2203	load_extensions;	2881	load_extensions;
		2882
		2883	$TICK_WATCHER->start;
2204	Event::loop;	2884	Event::loop;
2205	}	2885	}
2206		2886
2207	#############################################################################	2887	#############################################################################
2208	# initialisation and cleanup	2888	# initialisation and cleanup
2209		2889
2210	# install some emergency cleanup handlers	2890	# install some emergency cleanup handlers
2211	BEGIN {	2891	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2892	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2893	Event->signal (
		2894	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2895	data => WF_AUTOCANCEL,
2215	signal => $signal,	2896	signal => $signal,
		2897	prio => 0,
2216	cb => sub {	2898	cb => sub {
2217	cf::cleanup "SIG$signal";	2899	cf::cleanup "SIG$signal";
2218	},	2900	},
2219	);	2901	);
2220	}	2902	}
2221	}	2903	}
2222		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
		2941	}
		2942
2223	sub emergency_save() {	2943	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2225		2945
2226	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2227		2947
2228	cf::sync_job {	2948	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2949	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2950	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2951	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2952	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2953	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2954	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2955	$pl->valid or next;
2236	$pl->save;	2956	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2962	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2963	$map->valid or next;
2244	$map->save;	2964	$map->save;
2245	}	2965	}
2246	warn "end emergency map save\n";	2966	warn "end emergency map save\n";
		2967
		2968	warn "begin emergency database checkpoint\n";
		2969	BDB::db_env_txn_checkpoint $DB_ENV;
		2970	warn "end emergency database checkpoint\n";
2247	};	2971	};
2248		2972
2249	warn "leave emergency perl save\n";	2973	warn "leave emergency perl save\n";
2250	}	2974	}
2251		2975
		2976	sub post_cleanup {
		2977	my ($make_core) = @_;
		2978
		2979	warn Carp::longmess "post_cleanup backtrace"
		2980	if $make_core;
		2981	}
		2982
2252	sub reload() {	2983	sub do_reload_perl() {
2253	# can/must only be called in main	2984	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2986	warn "can only reload from main coroutine";
2256	return;	2987	return;
2257	}	2988	}
2258		2989
2259	warn "reloading...";	2990	warn "reloading...";
2260		2991
2261	my $guard = freeze_mainloop;	2992	warn "entering sync_job";
		2993
		2994	cf::sync_job {
		2995	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2996	cf::emergency_save;
		2997	cf::write_runtime; # external watchdog should not bark
2263		2998
2264	eval {	2999	warn "syncing database to disk";
		3000	BDB::db_env_txn_checkpoint $DB_ENV;
		3001
2265	# if anything goes wrong in here, we should simply crash as we already saved	3002	# if anything goes wrong in here, we should simply crash as we already saved
2266		3003
2267	# cancel all watchers	3004	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	3005	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	3006	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	3007	}
2271		3008
		3009	warn "flushing outstanding aio requests";
		3010	for (;;) {
		3011	BDB::flush;
		3012	IO::AIO::flush;
		3013	Coro::cede;
		3014	last unless IO::AIO::nreqs || BDB::nreqs;
		3015	warn "iterate...";
		3016	}
		3017
		3018	++$RELOAD;
		3019
2272	# cancel all extension coros	3020	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	3022	%EXT_CORO = ();
2275		3023
2276	# unload all extensions	3024	warn "removing commands";
2277	for (@exts) {	3025	%COMMAND = ();
		3026
		3027	warn "removing ext/exti commands";
		3028	%EXTCMD = ();
		3029	%EXTICMD = ();
		3030
		3031	warn "unloading/nuking all extensions";
		3032	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	3033	warn "... unloading $pkg";
2279	unload_extension $_;	3034
		3035	if (my $cb = $pkg->can ("unload")) {
		3036	eval {
		3037	$cb->($pkg);
		3038	1
		3039	} or warn "$pkg unloaded, but with errors: $@";
2280	}	3040	}
2281		3041
		3042	warn "... nuking $pkg";
		3043	Symbol::delete_package $pkg;
		3044	}
		3045
2282	# unload all modules loaded from $LIBDIR	3046	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	3047	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		3049
2286	warn "removing <$k>";	3050	warn "... unloading $k";
2287	delete $INC{$k};	3051	delete $INC{$k};
2288		3052
2289	$k =~ s/\.pm$//;	3053	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	3054	$k =~ s/\//::/g;
2291		3055
…		…
2294	}	3058	}
2295		3059
2296	Symbol::delete_package $k;	3060	Symbol::delete_package $k;
2297	}	3061	}
2298		3062
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	3063	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3066
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	3067	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2312		3070
2313	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3072	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2316		3074
2317	# reload cf.pm	3075	warn "unload completed, starting to reload now";
		3076
2318	warn "reloading cf.pm";	3077	warn "reloading cf.pm";
2319	require cf;	3078	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		3080
2322	# load config and database again	3081	warn "loading config and database again";
2323	cf::cfg_load;	3082	cf::cfg_load;
2324	cf::db_load;
2325		3083
2326	# load extensions
2327	warn "load extensions";	3084	warn "loading extensions";
2328	cf::load_extensions;	3085	cf::load_extensions;
2329		3086
2330	# reattach attachments to objects	3087	warn "reattaching attachments to objects/players";
2331	warn "reattach";	3088	_global_reattach; # objects, sockets
2332	_global_reattach;	3089	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
2334	};	3091	warn "reattaching attachments to players";
		3092	reattach $_ for values %PLAYER;
2335		3093
2336	if ($@) {	3094	warn "leaving sync_job";
		3095
		3096	1
		3097	} or do {
2337	warn $@;	3098	warn $@;
2338	warn "error while reloading, exiting.";	3099	warn "error while reloading, exiting.";
2339	exit 1;	3100	exit 1;
2340	}	3101	};
2341		3102
2342	warn "reloaded successfully";	3103	warn "reloaded";
2343	};	3104	};
2344		3105
2345	#############################################################################	3106	our $RELOAD_WATCHER; # used only during reload
2346		3107
2347	unless ($LINK_MAP) {	3108	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	3109	# doing reload synchronously and two reloads happen back-to-back,
		3110	# coro crashes during coro_state_free->destroy here.
2349		3111
2350	$LINK_MAP->width (41);	3112	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	3113	reentrant => 0,
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,	3114	after => 0,
		3115	data => WF_AUTOCANCEL,
2360	cb => sub {	3116	cb => sub {
2361	$_[0]->w->cancel;	3117	do_reload_perl;
2362		3118	undef $RELOAD_WATCHER;
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});	3119	},
2381		3120	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3121	}
2387
2388	register "<global>", __PACKAGE__;
2389		3122
2390	register_command "reload" => sub {	3123	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2392		3125
2393	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3127	$who->message ("reloading server.");
		3128	async { reload_perl };
2397	}	3129	}
2398	};	3130	};
2399		3131
2400	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2401		3133
		3134	my $bug_warning = 0;
		3135
		3136	our @WAIT_FOR_TICK;
		3137	our @WAIT_FOR_TICK_BEGIN;
		3138
		3139	sub wait_for_tick {
		3140	return unless $TICK_WATCHER->is_active;
		3141	return if $Coro::current == $Coro::main;
		3142
		3143	my $signal = new Coro::Signal;
		3144	push @WAIT_FOR_TICK, $signal;
		3145	$signal->wait;
		3146	}
		3147
		3148	sub wait_for_tick_begin {
		3149	return unless $TICK_WATCHER->is_active;
		3150	return if $Coro::current == $Coro::main;
		3151
		3152	my $signal = new Coro::Signal;
		3153	push @WAIT_FOR_TICK_BEGIN, $signal;
		3154	$signal->wait;
		3155	}
		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2402	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	3160	reentrant => 0,
		3161	parked => 1,
2404	prio => 0,	3162	prio => 0,
2405	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	3164	data => WF_AUTOCANCEL,
2407	cb => sub {	3165	cb => sub {
		3166	if ($Coro::current != $Coro::main) {
		3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3168	unless ++$bug_warning > 10;
		3169	return;
		3170	}
		3171
		3172	$NOW = $tick_start = Event::time;
		3173
2408	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
		3198
2409	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2411		3201
2412	$WAIT_FOR_TICK->broadcast;	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3204	Coro::async_pool {
		3205	write_runtime
		3206	or warn "ERROR: unable to write runtime file: $!";
		3207	};
		3208	}
		3209
		3210	# my $AFTER = Event::time;
		3211	# warn $AFTER - $NOW;#d#
		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
2414		3221
2415	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2417		3224
2418	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
		3227
		3228	$LOAD = ($NOW - $tick_start) / $TICK;
		3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3230
		3231	_post_tick;
		3232
		3233
2420	},	3234	},
2421	);	3235	);
2422		3236
		3237	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	3238	BDB::max_poll_time $TICK * 0.1;
2424		3239	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	3240	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	3241	fd => BDB::poll_fileno,
2427	poll => 'r',	3242	poll => 'r',
2428	prio => 5,	3243	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	3244	data => WF_AUTOCANCEL,
2435	after => 0,	3245	cb => \&BDB::poll_cb,
2436	interval => 10,	3246	);
2437	cb => sub {	3247	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	3248
2439	write_runtime	3249	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	3250	my $status;
		3251	my $current = $Coro::current;
		3252	(
		3253	sub {
		3254	$status = $!;
		3255	$current->ready; undef $current;
		3256	},
		3257	sub {
		3258	Coro::schedule while defined $current;
		3259	$! = $status;
		3260	},
		3261	)
		3262	};
		3263
		3264	unless ($DB_ENV) {
		3265	$DB_ENV = BDB::db_env_create;
		3266
		3267	cf::sync_job {
		3268	eval {
		3269	BDB::db_env_open
		3270	$DB_ENV,
		3271	$BDBDIR,
		3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3274	0666;
		3275
		3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3277
		3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3279	$DB_ENV->set_lk_detect;
		3280	};
		3281
		3282	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	3283	};
2442	},	3284	}
2443	);	3285	}
		3286
		3287	{
		3288	IO::AIO::min_parallel 8;
		3289
		3290	undef $Coro::AIO::WATCHER;
		3291	IO::AIO::max_poll_time $TICK * 0.1;
		3292	$AIO_POLL_WATCHER = Event->io (
		3293	reentrant => 0,
		3294	data => WF_AUTOCANCEL,
		3295	fd => IO::AIO::poll_fileno,
		3296	poll => 'r',
		3297	prio => 6,
		3298	cb => \&IO::AIO::poll_cb,
		3299	);
		3300	}
		3301
		3302	my $_log_backtrace;
		3303
		3304	sub _log_backtrace {
		3305	my ($msg, @addr) = @_;
		3306
		3307	$msg =~ s/\n//;
		3308
		3309	# limit the # of concurrent backtraces
		3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
		3337	}
		3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
2444		3342
2445	END { cf::emergency_save }	3343	END { cf::emergency_save }
2446		3344
2447	1	3345	1
2448		3346

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