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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.311 by root, Fri Jul 20 16:11:10 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	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		604
495	#############################################################################	605	#############################################################################
496		606
497	=head2 ATTACHABLE OBJECTS	607	=head2 ATTACHABLE OBJECTS
498		608
…		…
500	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")
501	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
502		612
503	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>
504	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
505	crossfire+).	615	Crossfire TRT).
506		616
507	=over 4	617	=over 4
508		618
509	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
510		620
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	734	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	735	our @CB_MAP = ();
626		736
627	my %attachment;	737	my %attachment;
628		738
		739	sub cf::attachable::thawer_merge {
		740	# simply override everything except _meta
		741	local $_[0]{_meta};
		742	%{$_[0]} = %{$_[1]};
		743	}
		744
629	sub _attach_cb($$$$) {	745	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	746	my ($registry, $event, $prio, $cb) = @_;
631		747
632	use sort 'stable';	748	use sort 'stable';
633		749
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
668		784
669	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		789
674	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	791	my $pkg = shift @arg;
676		792
677	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
707	}	823	}
708		824
709	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
710	} else {	826	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	828	}
713		829
714	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
715	}	831	}
716		832
…		…
718	if (ref $_[0]) {	834	if (ref $_[0]) {
719	_object_attach @_;	835	_object_attach @_;
720	} else {	836	} else {
721	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
722	}	838	}
		839	_recalc_want;
723	};	840	};
724		841
725	# all those should be optimised	842	# all those should be optimised
726	sub cf::attachable::detach {	843	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
731	reattach ($obj);	848	reattach ($obj);
732	} else {	849	} else {
733	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
734	}	851	}
		852	_recalc_want;
735	};	853	};
736		854
737	sub cf::attachable::attached {	855	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
739		857
…		…
754	";	872	";
755	die if $@;	873	die if $@;
756	}	874	}
757		875
758	our $override;	876	our $override;
759	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?
760		878
761	sub override {	879	sub override {
762	$override = 1;	880	$override = 1;
763	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
764	}	882	}
765		883
766	sub do_invoke {	884	sub do_invoke {
767	my $event = shift;	885	my $event = shift;
768	my $callbacks = shift;	886	my $callbacks = shift;
769		887
770	@invoke_results = ();	888	@INVOKE_RESULTS = ();
771		889
772	local $override;	890	local $override;
773		891
774	for (@$callbacks) {	892	for (@$callbacks) {
775	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
792		910
793	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
794		912
795	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
796	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
797	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		916
799	=back	917	=back
800		918
801	=cut	919	=cut
802		920
…		…
804	# object support	922	# object support
805		923
806	sub reattach {	924	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	925	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	926	my ($obj) = @_;
		927
		928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		929
810	my $registry = $obj->registry;	930	my $registry = $obj->registry;
811		931
812	@$registry = ();	932	@$registry = ();
813		933
…		…
860	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
861		981
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	986	close $fh;
867		987
868	if (@$objs) {	988	if (@$objs) {
869	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) {
870	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	994	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
876	}	996	}
877	} else {	997	} else {
878	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
910	or return;	1030	or return;
911	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
912	}	1032	}
913		1033
914	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
916	return ($data, $av);	1036	return ($data, $av);
917	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
918		1044
919	#############################################################################	1045	#############################################################################
920	# command handling &c	1046	# command handling &c
921		1047
922	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1062	}
937		1063
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1065
940	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.
941		1071
942	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
943	called.	1073	called.
944		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
945	=cut	1086	=cut
946		1087
947	sub register_extcmd {	1088	sub register_extcmd {
948	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
949		1090
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
954	}	1098	}
955		1099
956	cf::player->attach (	1100	cf::player->attach (
957	on_command => sub {	1101	on_command => sub {
958	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
967	cf::override;	1111	cf::override;
968	},	1112	},
969	on_extcmd => sub {	1113	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
971		1115
972	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1117
974	if (ref $msg) {	1118	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	1122	}
979	}	1123	}
980	} else {	1124	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		1127
984	cf::override;	1128	cf::override;
985	},	1129	},
986	);	1130	);
987		1131
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {
995	my ($path) = @_;
996
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;
999	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}
1063
1064	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
1065	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1137	next unless -r $path;
1067	eval {	1138
1068	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;
1069	1	1196	}
1070	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
1071	}	1202	};
1072	}	1203	}
1073		1204
1074	#############################################################################	1205	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1206
1077	*cf::mapsupport::on_clean = sub {	1207	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1208
1090	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
1091		1210
1092	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
1093		1212
…		…
1106	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
1107		1226
1108	=cut	1227	=cut
1109		1228
1110	sub playerdir($) {	1229	sub playerdir($) {
1111	cf::localdir	1230	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1232	}
1117		1233
1118	sub path($) {	1234	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1236
1121	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
1122	}	1238	}
1123		1239
1124	sub find_active($) {	1240	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
1129		1245
1130	sub exists($) {	1246	sub exists($) {
1131	my ($login) = @_;	1247	my ($login) = @_;
1132		1248
1133	$cf::PLAYER{$login}	1249	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1250	or cf::sync_job { !aio_stat path $login }
1135	}	1251	}
1136		1252
1137	sub find($) {	1253	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1254	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1255	my $login = $_[0];
1140		1256
1141	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
1142		1258
1143	$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
1144	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
1145	or return;	1268	or return;
1146	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
1147	}	1270	}
1148	}	1271	}
…		…
1185		1308
1186	=cut	1309	=cut
1187		1310
1188	sub quit_character {	1311	sub quit_character {
1189	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1190		1315
1191	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1192	$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
1193		1318
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1203	$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
1204	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;
1205	}	1350	}
1206		1351
1207	=item cf::player::list_logins	1352	=item cf::player::list_logins
1208		1353
1209	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
1210	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1211		1356
1212	=cut	1357	=cut
1213		1358
1214	sub list_logins {	1359	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1361	or return [];
1217		1362
1218	my @logins;	1363	my @logins;
1219		1364
1220	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1229	\@logins	1374	\@logins
1230	}	1375	}
1231		1376
1232	=item $player->maps	1377	=item $player->maps
1233		1378
1234	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
1235	player. May block.	1380	player. May block.
1236		1381
1237	=cut	1382	=cut
1238		1383
1239	sub maps($) {	1384	sub maps($) {
1240	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1388
1242	my $files = aio_readdir playerdir $pl	1389	my $files = aio_readdir playerdir $pl
1243	or return;	1390	or return;
1244		1391
1245	my @paths;	1392	my @paths;
…		…
1247	for (@$files) {	1394	for (@$files) {
1248	utf8::decode $_;	1395	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1396	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1397	next unless /^$PATH_SEP/o;
1251		1398
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1399	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1400	}
1254		1401
1255	\@paths	1402	\@paths
1256	}	1403	}
1257		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
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1259		1456
1260	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1261		1458
1262	=cut	1459	=cut
1263		1460
1264	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1266		1463
1267	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1268		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1466	}
1271		1467
1272	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		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	}
1273		1508
1274	=back	1509	=back
1275
1276		1510
1277	=head3 cf::map	1511	=head3 cf::map
1278		1512
1279	=over 4	1513	=over 4
1280		1514
…		…
1283	package cf::map;	1517	package cf::map;
1284		1518
1285	use Fcntl;	1519	use Fcntl;
1286	use Coro::AIO;	1520	use Coro::AIO;
1287		1521
		1522	use overload
		1523	'""' => \&as_string,
		1524	fallback => 1;
		1525
1288	our $MAX_RESET = 3600;	1526	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1527	our $DEFAULT_RESET = 3000;
1290		1528
1291	sub generate_random_map {	1529	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1530	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1531	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1532	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1536	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1537	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$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},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(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"
1308	}	1672	}
1309		1673
1310	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1311	# all maps in C++...	1675	# all maps in C++...
1312	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1314		1678
1315	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1317	}	1681	}
1318		1682
		1683	sub decay_objects {
		1684	my ($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
1319	sub try_load_header($) {	1699	sub load_header_from($) {
1320	my ($path) = @_;	1700	my ($self, $path) = @_;
1321		1701
1322	utf8::encode $path;	1702	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1703	#aio_open $path, O_RDONLY, 0
		1704	# or return;
		1705
		1706	$self->_load_header ($path)
1324	or return;	1707	or return;
1325		1708
1326	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
1327	or return;	1752	or return;
		1753	$self->prepare_orig;
		1754	}
1328		1755
1329	# for better error messages only, will be overwritten	1756	$self->{deny_reset} = 1
1330	$map->path ($path);	1757	if $self->no_reset;
1331		1758
1332	$map->load_header ($path)	1759	$self->default_region (cf::region::find_by_path $self->{path})
1333	or return;	1760	unless $self->default_region;
1334		1761
1335	$map->{load_path} = $path;	1762	1
1336
1337	$map
1338	}	1763	}
1339		1764
1340	sub find;	1765	sub find;
1341	sub find {	1766	sub find {
1342	my ($path, $origin) = @_;	1767	my ($path, $origin) = @_;
1343		1768
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1769	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1770
1349	cf::lock_wait "map_find:$key";	1771	cf::lock_wait "map_find:$path";
1350		1772
1351	$cf::MAP{$key} || do {	1773	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1774	my $guard = cf::lock_acquire "map_find:$path";
1353		1775	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1776	or return;
1373		1777
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1386		1779
1387	Coro::cede;	1780	$map->load_header
		1781	or return;
1388		1782
1389	if ($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;
1390	$map->reset;	1786	$map->reset;
1391	undef $guard;	1787	undef $guard;
1392	$map = find $path	1788	return find $path;
1393	or return;
1394	}	1789	}
1395		1790
1396	$cf::MAP{$key} = $map	1791	$cf::MAP{$path} = $map
1397	}	1792	}
1398	}	1793	}
		1794
		1795	sub pre_load { }
		1796	sub post_load { }
1399		1797
1400	sub load {	1798	sub load {
1401	my ($self) = @_;	1799	my ($self) = @_;
1402		1800
		1801	local $self->{deny_reset} = 1; # loading can take a long time
		1802
1403	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1806	my $guard = cf::lock_acquire "map_load:$path";
1405		1807
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1809
1408	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1409		1811
1410	$self->alloc;	1812	$self->alloc;
		1813
		1814	$self->pre_load;
		1815	Coro::cede;
		1816
1411	$self->load_objects ($self->{load_path}, 1)	1817	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1818	or return;
1413		1819
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1821	if delete $self->{load_original};
1416		1822
1417	if (my $uniq = $path->uniq_path) {	1823	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1824	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1825	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1826	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1827	$self->_load_objects ($uniq, 0);
1422	}	1828	}
1423	}	1829	}
1424		1830
1425	Coro::cede;	1831	Coro::cede;
1426
1427	# now do the right thing for maps	1832	# now do the right thing for maps
1428	$self->link_multipart_objects;	1833	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1439	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;
1440	$self->activate;	1845	$self->activate;
1441	}	1846	}
1442		1847
1443	Coro::cede;
1444
1445	$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	$self
1446	}	1864	}
1447		1865
1448	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1867	sub load_diag {
1450	my ($map) = @_;	1868	my ($map) = @_;
…		…
1480		1898
1481	cf::sync_job { $map->load };	1899	cf::sync_job { $map->load };
1482	}	1900	}
1483		1901
1484	our %MAP_PREFETCH;	1902	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1903	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1904
1500	sub find_async {	1905	sub find_async {
1501	my ($path, $origin) = @_;	1906	my ($path, $origin) = @_;
1502		1907
1503	$path = new cf::path $path, $origin && $origin->path;	1908	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1909
1506	if (my $map = $cf::MAP{$key}) {	1910	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1912	}
1509		1913
1510	$MAP_PREFETCH{$key} = $path;	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	};
1511	$MAP_PREFETCHER->ready;	1927	$MAP_PREFETCHER->prio (6);
1512		1928
1513	()	1929	()
1514	}	1930	}
1515		1931
1516	sub save {	1932	sub save {
…		…
1520		1936
1521	$self->{last_save} = $cf::RUNTIME;	1937	$self->{last_save} = $cf::RUNTIME;
1522		1938
1523	return unless $self->dirty;	1939	return unless $self->dirty;
1524		1940
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1941	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1942	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1943
1528	$self->{load_path} = $save;	1944	$self->{load_path} = $save;
1529		1945
1530	return if $self->{deny_save};	1946	return if $self->{deny_save};
1531		1947
…		…
1534	cf::async {	1950	cf::async {
1535	$_->contr->save for $self->players;	1951	$_->contr->save for $self->players;
1536	};	1952	};
1537		1953
1538	if ($uniq) {	1954	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1957	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1959	}
1544	}	1960	}
1545		1961
1546	sub swap_out {	1962	sub swap_out {
1547	my ($self) = @_;	1963	my ($self) = @_;
…		…
1561		1977
1562	sub reset_at {	1978	sub reset_at {
1563	my ($self) = @_;	1979	my ($self) = @_;
1564		1980
1565	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1568		1983
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1986
…		…
1576	my ($self) = @_;	1991	my ($self) = @_;
1577		1992
1578	$self->reset_at <= $cf::RUNTIME	1993	$self->reset_at <= $cf::RUNTIME
1579	}	1994	}
1580		1995
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1996	sub reset {
1603	my ($self) = @_;	1997	my ($self) = @_;
1604		1998
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2000
1607	return if $self->players;	2001	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2002
1610	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	}
1611		2014
1612	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
		2016
		2017	$self->clear;
1613		2018
1614	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1615		2020
1616	$self->unlink_save;	2021	$self->unlink_save;
1617	$self->destroy;	2022	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	2025	my $nuke_counter = "aaaa";
1621		2026
1622	sub nuke {	2027	sub nuke {
1623	my ($self) = @_;	2028	my ($self) = @_;
1624		2029
		2030	delete $cf::MAP{$self->path};
		2031
		2032	$self->unlink_save;
		2033
		2034	bless $self, "cf::map";
		2035	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2036	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2037	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2039
		2040	$cf::MAP{$self->path} = $self;
		2041
1628	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1629	}	2043	}
1630		2044
1631	sub customise_for {	2045	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2046
1634	if ($map->per_player) {	2047	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
1636	}	2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
1637		2062
1638	$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	]
1639	}	2079	}
1640		2080
1641	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1642		2082
1643	Returns an arrayref of cf::path's of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2084	instantiated unique items. May block.
1645		2085
1646	=cut	2086	=cut
1647		2087
1648	sub unique_maps() {	2088	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1650	or return;	2090	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2091	utf8::decode $_;
1656	next if /\.pst$/;	2092	/\.map$/
1657	next unless /^$PATH_SEP/o;	2093	? normalise $_
1658		2094	: ()
1659	push @paths, new cf::path $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2096	]
1661
1662	\@paths
1663	}	2097	}
1664		2098
1665	package cf;	2099	package cf;
1666		2100
1667	=back	2101	=back
…		…
1713		2147
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2149
1716	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1718	} 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 {
1719	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1721	}	2169	}
1722	}	2170	}
1723		2171
1724	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1725		2173
…		…
1739		2187
1740	=item $player_object->enter_link	2188	=item $player_object->enter_link
1741		2189
1742	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}>).
1743		2191
1744	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
1745	I<MUST> call C<leave_link> as soon as possible, though.	2193	I<MUST> call C<leave_link> as soon as possible, though.
1746		2194
		2195	Will never block.
		2196
1747	=item $player_object->leave_link ($map, $x, $y)	2197	=item $player_object->leave_link ($map, $x, $y)
1748		2198
1749	Moves the player out of the specila link map onto the given map. If the	2199	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2200	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2201	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2202	fails, to the emergency map position.
1753		2203
1754	Might block.	2204	Might block.
1755		2205
1756	=cut	2206	=cut
		2207
		2208	sub link_map {
		2209	unless ($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	$LINK_MAP
		2216	}
1757		2217
1758	sub cf::object::player::enter_link {	2218	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2219	my ($self) = @_;
1760		2220
1761	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1762		2222
1763	return if $self->map == $LINK_MAP;	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2224
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1767		2227
1768	$self->enter_map ($LINK_MAP, 20, 20);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2229	}
1770		2230
1771	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1773		2235
1774	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1775		2237
1776	unless ($map) {	2238	unless ($map) {
1777	# restore original map position	2239	# restore original map position
…		…
1795	$map->load;	2257	$map->load;
1796	$map->load_diag;	2258	$map->load_diag;
1797		2259
1798	return unless $self->contr->active;	2260	return unless $self->contr->active;
1799	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1801	}	2265	}
1802		2266
1803	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2268
1807	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1811	};	2273	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2274
1817	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1838		2278
1839	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2281
1842	$path = new cf::path $path;	2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2284
1844	$self->enter_link;	2285	$self->enter_link;
1845		2286
1846	(async {	2287	(async {
		2288	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
1849		2293	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2294	} else {
1851	# if $map;
1852
1853	$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	}
1854		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};
1855	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1856	})->prio (1);	2312	})->prio (1);
1857	}	2313	}
1858		2314
1859	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1860		2316
…		…
1862		2318
1863	sub parse_random_map_params {	2319	sub parse_random_map_params {
1864	my ($spec) = @_;	2320	my ($spec) = @_;
1865		2321
1866	my $rmp = { # defaults	2322	my $rmp = { # defaults
1867	xsize => 10,	2323	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2324	ysize => (cf::rndm 15, 40),
		2325	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2326	#layout => string,
1869	};	2327	};
1870		2328
1871	for (split /\n/, $spec) {	2329	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2330	my ($k, $v) = split /\s+/, $_, 2;
1873		2331
…		…
1877	$rmp	2335	$rmp
1878	}	2336	}
1879		2337
1880	sub prepare_random_map {	2338	sub prepare_random_map {
1881	my ($exit) = @_;	2339	my ($exit) = @_;
		2340
		2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2342
1883	# all this does is basically replace the /! path by	2343	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2344	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2345	# that depends on the exit object
1886		2346
1887	my $rmp = parse_random_map_params $exit->msg;	2347	my $rmp = parse_random_map_params $exit->msg;
1888		2348
1889	if ($exit->map) {	2349	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2350	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2351	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2352	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2353	$rmp->{origin_y} = $exit->y;
1894	}	2354	}
1895		2355
1896	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1897		2357
1898	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
		2360	my $meta = "$RANDOMDIR/$md5.meta";
1900		2361
1901	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) {
1902	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;
1903		2366
1904	$exit->slaying ("?random/$md5");	2367	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2368	$exit->msg (undef);
1906	}	2369	}
1907	}	2370	}
…		…
1909	sub cf::object::player::enter_exit {	2372	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2373	my ($self, $exit) = @_;
1911		2374
1912	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1913		2376
		2377	if ($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
1914	$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);
1915		2393
1916	(async {	2394	(async {
1917	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2396	unless (eval {
1919	prepare_random_map $exit	2397	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2398
1925	1;	2399	1;
1926	}) {	2400	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "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. "
1929	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2405
1932	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2407	$self->leave_link;
1934	}	2408	}
1935	})->prio (1);	2409	})->prio (1);
…		…
1948		2422
1949	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1951		2425
1952	utf8::encode $text;	2426	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2428	}
1955		2429
		2430	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$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, $channel, $msg, $color, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	$color &= ~cf::NDI_UNIQUE; # just in case...
		2447
		2448	if (ref $channel) {
		2449	# send meta info to client, if not yet sent
		2450	unless (exists $self->{channel}{$channel->{id}}) {
		2451	$self->{channel}{$channel->{id}} = $channel;
		2452	$self->ext_event (channel_info => %$channel);
		2453	}
		2454
		2455	$channel = $channel->{id};
		2456	}
		2457
		2458	if ($self->can_msg) {
		2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2460	} else {
		2461	# replace some tags by gcfclient-compatible ones
		2462	for ($msg) {
		2463	1 while
		2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2469	}
		2470
		2471	if ($color >= 0) {
		2472	if (0 && $msg =~ /\[/) {
		2473	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2474	} else {
		2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2476	$self->send_packet ("drawinfo $color $msg")
		2477	}
		2478	}
		2479	}
		2480	}
		2481
		2482	=item $client->ext_event ($type, %msg)
		2483
		2484	Sends an ext event to the client.
		2485
		2486	=cut
		2487
		2488	sub cf::client::ext_event($$%) {
		2489	my ($self, $type, %msg) = @_;
		2490
		2491	return unless $self->extcmd;
		2492
		2493	$msg{msgtype} = "event_$type";
		2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2495	}
1956		2496
1957	=item $success = $client->query ($flags, "text", \&cb)	2497	=item $success = $client->query ($flags, "text", \&cb)
1958		2498
1959	Queues a query to the client, calling the given callback with	2499	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2500	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2501	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		2502
1963	Queries can fail, so check the return code. Or don't, as queries will become	2503	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	2504	become reliable at some point in the future.
1965		2505
1966	=cut	2506	=cut
1967		2507
1968	sub cf::client::query {	2508	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	2509	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	2517	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2518	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		2519
1980	$self->send_packet ($self->{query_queue}[0][0])	2520	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	2521	if @{ $self->{query_queue} } == 1;
		2522
		2523	1
1982	}	2524	}
1983		2525
1984	cf::client->attach (	2526	cf::client->attach (
		2527	on_connect => sub {
		2528	my ($ns) = @_;
		2529
		2530	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2531	},
1985	on_reply => sub {	2532	on_reply => sub {
1986	my ($ns, $msg) = @_;	2533	my ($ns, $msg) = @_;
1987		2534
1988	# this weird shuffling is so that direct followup queries	2535	# this weird shuffling is so that direct followup queries
1989	# get handled first	2536	# get handled first
1990	my $queue = delete $ns->{query_queue}	2537	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2538	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2539
1993	(shift @$queue)->[1]->($msg);	2540	(shift @$queue)->[1]->($msg);
		2541	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2542
1995	push @{ $ns->{query_queue} }, @$queue;	2543	push @{ $ns->{query_queue} }, @$queue;
1996		2544
1997	if (@{ $ns->{query_queue} } == @$queue) {	2545	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2546	if (@$queue) {
…		…
2000	} else {	2548	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2549	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	2550	}
2003	}	2551	}
2004	},	2552	},
		2553	on_exticmd => sub {
		2554	my ($ns, $buf) = @_;
		2555
		2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2557
		2558	if (ref $msg) {
		2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2560	if (my %reply = $cb->($ns, $msg)) {
		2561	$reply{msgid} = $msg->{msgid};
		2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2563	}
		2564	}
		2565	} else {
		2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2567	}
		2568
		2569	cf::override;
		2570	},
2005	);	2571	);
2006		2572
2007	=item $client->async (\&cb)	2573	=item $client->async (\&cb)
2008		2574
2009	Create a new coroutine, running the specified callback. The coroutine will	2575	Create a new coroutine, running the specified callback. The coroutine will
…		…
2056		2622
2057	# here we export the classes and methods available to script code	2623	# here we export the classes and methods available to script code
2058		2624
2059	=pod	2625	=pod
2060		2626
2061	The following fucntions and emthods are available within a safe environment:	2627	The following functions and methods are available within a safe environment:
2062		2628
2063	cf::object contr pay_amount pay_player map	2629	cf::object
		2630	contr pay_amount pay_player map x y force_find force_add
		2631	insert remove
		2632
2064	cf::object::player player	2633	cf::object::player
2065	cf::player peaceful	2634	player
2066	cf::map trigger	2635
		2636	cf::player
		2637	peaceful
		2638
		2639	cf::map
		2640	trigger
2067		2641
2068	=cut	2642	=cut
2069		2643
2070	for (	2644	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2646	insert remove)],
2072	["cf::object::player" => qw(player)],	2647	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	2648	["cf::player" => qw(peaceful)],
2074	["cf::map" => qw(trigger)],	2649	["cf::map" => qw(trigger)],
2075	) {	2650	) {
2076	no strict 'refs';	2651	no strict 'refs';
…		…
2147	=back	2722	=back
2148		2723
2149	=cut	2724	=cut
2150		2725
2151	#############################################################################	2726	#############################################################################
		2727	# the server's init and main functions
2152		2728
2153	=head2 EXTENSION DATABASE SUPPORT	2729	sub load_facedata($) {
		2730	my ($path) = @_;
2154		2731
2155	Crossfire maintains a very simple database for extension use. It can	2732	warn "loading facedata from $path\n";
2156	currently store anything that can be serialised using Storable, which
2157	excludes objects.
2158		2733
2159	The parameter C<$family> should best start with the name of the extension	2734	my $facedata;
2160	using it, it should be unique.	2735	0 < aio_load $path, $facedata
		2736	or die "$path: $!";
2161		2737
2162	=over 4	2738	$facedata = Coro::Storable::thaw $facedata;
2163		2739
2164	=item $hashref = cf::db_get $family	2740	$facedata->{version} == 2
		2741	or cf::cleanup "$path: version mismatch, cannot proceed.";
2165		2742
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key
2171
2172	Returns a single value from the database
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}	2743	{
		2744	my $faces = $facedata->{faceinfo};
2202		2745
2203	my $pid;	2746	while (my ($face, $info) = each %$faces) {
		2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2748	cf::face::set_visibility $idx, $info->{visibility};
		2749	cf::face::set_magicmap $idx, $info->{magicmap};
		2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2204		2752
2205	sub db_save() {	2753	cf::cede_to_tick;
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2754	}
2251	);
2252	}
2253		2755
2254	#############################################################################	2756	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	2757	next unless $info->{smooth};
		2758	my $idx = cf::face::find $face
		2759	or next;
		2760	if (my $smooth = cf::face::find $info->{smooth}) {
		2761	cf::face::set_smooth $idx, $smooth;
		2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2763	} else {
		2764	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2765	}
		2766
		2767	cf::cede_to_tick;
		2768	}
		2769	}
		2770
		2771	{
		2772	my $anims = $facedata->{animinfo};
		2773
		2774	while (my ($anim, $info) = each %$anims) {
		2775	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2776	cf::cede_to_tick;
		2777	}
		2778
		2779	cf::anim::invalidate_all; # d'oh
		2780	}
		2781
		2782	{
		2783	# TODO: for gcfclient pleasure, we should give resources
		2784	# that gcfclient doesn't grok a >10000 face index.
		2785	my $res = $facedata->{resource};
		2786	my $enc = JSON::XS->new->utf8->canonical;
		2787
		2788	while (my ($name, $info) = each %$res) {
		2789	my $meta = $enc->encode ({
		2790	name => $name,
		2791	type => $info->{type},
		2792	copyright => $info->{copyright}, #TODO#
		2793	});
		2794
		2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2796
		2797	if ($name =~ /\.jpg$/) {
		2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2800	} else {
		2801	my $data = pack "(w/a*)*", $meta, $info->{data};
		2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2803
		2804	cf::face::set_type $idx, 1;
		2805	cf::face::set_data $idx, 0, $data, $chk;
		2806	}
		2807
		2808	cf::cede_to_tick;
		2809	}
		2810	}
		2811
		2812	1
		2813	}
		2814
		2815	sub reload_regions {
		2816	load_resource_file "$MAPDIR/regions"
		2817	or die "unable to load regions file\n";
		2818
		2819	for (cf::region::list) {
		2820	$_->{match} = qr/$_->{match}/
		2821	if exists $_->{match};
		2822	}
		2823	}
		2824
		2825	sub reload_facedata {
		2826	load_facedata "$DATADIR/facedata"
		2827	or die "unable to load facedata\n";
		2828	}
		2829
		2830	sub reload_archetypes {
		2831	load_resource_file "$DATADIR/archetypes"
		2832	or die "unable to load archetypes\n";
		2833	#d# NEED to laod twice to resolve forward references
		2834	# this really needs to be done in an extra post-pass
		2835	# (which needs to be synchronous, so solve it differently)
		2836	load_resource_file "$DATADIR/archetypes"
		2837	or die "unable to load archetypes\n";
		2838	}
		2839
		2840	sub reload_treasures {
		2841	load_resource_file "$DATADIR/treasures"
		2842	or die "unable to load treasurelists\n";
		2843	}
		2844
		2845	sub reload_resources {
		2846	warn "reloading resource files...\n";
		2847
		2848	reload_regions;
		2849	reload_facedata;
		2850	#reload_archetypes;#d#
		2851	reload_archetypes;
		2852	reload_treasures;
		2853
		2854	warn "finished reloading resource files\n";
		2855	}
		2856
		2857	sub init {
		2858	reload_resources;
		2859	}
2256		2860
2257	sub cfg_load {	2861	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2862	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2863	or return;
2260		2864
2261	local $/;	2865	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2866	*CFG = YAML::Syck::Load <$fh>;
2263		2867
…		…
2277		2881
2278	sub main {	2882	sub main {
2279	# we must not ever block the main coroutine	2883	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2884	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2885	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2886	(async {
2282	async { Event::one_event };	2887	Event::one_event;
		2888	})->prio (Coro::PRIO_MAX);
2283	};	2889	};
2284		2890
2285	cfg_load;	2891	cfg_load;
2286	db_load;	2892	db_init;
2287	load_extensions;	2893	load_extensions;
		2894
		2895	$TICK_WATCHER->start;
2288	Event::loop;	2896	Event::loop;
2289	}	2897	}
2290		2898
2291	#############################################################################	2899	#############################################################################
2292	# initialisation and cleanup	2900	# initialisation and cleanup
2293		2901
2294	# install some emergency cleanup handlers	2902	# install some emergency cleanup handlers
2295	BEGIN {	2903	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2904	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2905	Event->signal (
		2906	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2907	data => WF_AUTOCANCEL,
2299	signal => $signal,	2908	signal => $signal,
		2909	prio => 0,
2300	cb => sub {	2910	cb => sub {
2301	cf::cleanup "SIG$signal";	2911	cf::cleanup "SIG$signal";
2302	},	2912	},
2303	);	2913	);
2304	}	2914	}
2305	}	2915	}
2306		2916
		2917	sub write_runtime {
		2918	my $runtime = "$LOCALDIR/runtime";
		2919
		2920	# first touch the runtime file to show we are still running:
		2921	# the fsync below can take a very very long time.
		2922
		2923	IO::AIO::aio_utime $runtime, undef, undef;
		2924
		2925	my $guard = cf::lock_acquire "write_runtime";
		2926
		2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2928	or return;
		2929
		2930	my $value = $cf::RUNTIME + 90 + 10;
		2931	# 10 is the runtime save interval, for a monotonic clock
		2932	# 60 allows for the watchdog to kill the server.
		2933
		2934	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2935	and return;
		2936
		2937	# always fsync - this file is important
		2938	aio_fsync $fh
		2939	and return;
		2940
		2941	# touch it again to show we are up-to-date
		2942	aio_utime $fh, undef, undef;
		2943
		2944	close $fh
		2945	or return;
		2946
		2947	aio_rename "$runtime~", $runtime
		2948	and return;
		2949
		2950	warn "runtime file written.\n";
		2951
		2952	1
		2953	}
		2954
2307	sub emergency_save() {	2955	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	2956	my $freeze_guard = cf::freeze_mainloop;
2309		2957
2310	warn "enter emergency perl save\n";	2958	warn "enter emergency perl save\n";
2311		2959
2312	cf::sync_job {	2960	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2961	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2962	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2963	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2964	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2965	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2966	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2967	$pl->valid or next;
2320	$pl->save;	2968	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2974	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2975	$map->valid or next;
2328	$map->save;	2976	$map->save;
2329	}	2977	}
2330	warn "end emergency map save\n";	2978	warn "end emergency map save\n";
		2979
		2980	warn "begin emergency database checkpoint\n";
		2981	BDB::db_env_txn_checkpoint $DB_ENV;
		2982	warn "end emergency database checkpoint\n";
2331	};	2983	};
2332		2984
2333	warn "leave emergency perl save\n";	2985	warn "leave emergency perl save\n";
2334	}	2986	}
2335		2987
		2988	sub post_cleanup {
		2989	my ($make_core) = @_;
		2990
		2991	warn Carp::longmess "post_cleanup backtrace"
		2992	if $make_core;
		2993	}
		2994
2336	sub reload() {	2995	sub do_reload_perl() {
2337	# can/must only be called in main	2996	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2997	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2998	warn "can only reload from main coroutine";
2340	return;	2999	return;
2341	}	3000	}
2342		3001
2343	warn "reloading...";	3002	warn "reloading...";
2344		3003
2345	my $guard = freeze_mainloop;	3004	warn "entering sync_job";
		3005
		3006	cf::sync_job {
		3007	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	3008	cf::emergency_save;
		3009	cf::write_runtime; # external watchdog should not bark
2347		3010
2348	eval {	3011	warn "syncing database to disk";
		3012	BDB::db_env_txn_checkpoint $DB_ENV;
		3013
2349	# if anything goes wrong in here, we should simply crash as we already saved	3014	# if anything goes wrong in here, we should simply crash as we already saved
2350		3015
2351	# cancel all watchers	3016	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	3017	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3018	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	3019	}
2355		3020
		3021	warn "flushing outstanding aio requests";
		3022	for (;;) {
		3023	BDB::flush;
		3024	IO::AIO::flush;
		3025	Coro::cede;
		3026	last unless IO::AIO::nreqs || BDB::nreqs;
		3027	warn "iterate...";
		3028	}
		3029
		3030	++$RELOAD;
		3031
2356	# cancel all extension coros	3032	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	3033	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	3034	%EXT_CORO = ();
2359		3035
2360	# unload all extensions	3036	warn "removing commands";
2361	for (@exts) {	3037	%COMMAND = ();
		3038
		3039	warn "removing ext/exti commands";
		3040	%EXTCMD = ();
		3041	%EXTICMD = ();
		3042
		3043	warn "unloading/nuking all extensions";
		3044	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	3045	warn "... unloading $pkg";
2363	unload_extension $_;	3046
		3047	if (my $cb = $pkg->can ("unload")) {
		3048	eval {
		3049	$cb->($pkg);
		3050	1
		3051	} or warn "$pkg unloaded, but with errors: $@";
2364	}	3052	}
2365		3053
		3054	warn "... nuking $pkg";
		3055	Symbol::delete_package $pkg;
		3056	}
		3057
2366	# unload all modules loaded from $LIBDIR	3058	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	3059	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		3061
2370	warn "removing <$k>";	3062	warn "... unloading $k";
2371	delete $INC{$k};	3063	delete $INC{$k};
2372		3064
2373	$k =~ s/\.pm$//;	3065	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	3066	$k =~ s/\//::/g;
2375		3067
…		…
2378	}	3070	}
2379		3071
2380	Symbol::delete_package $k;	3072	Symbol::delete_package $k;
2381	}	3073	}
2382		3074
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	3075	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3076	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3077	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3078
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	3079	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	3080	delete $INC{"cf.pm"};
		3081	delete $INC{"cf/pod.pm"};
2396		3082
2397	# don't, removes xs symbols, too,	3083	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3084	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3085	#Symbol::delete_package __PACKAGE__;
2400		3086
2401	# reload cf.pm	3087	warn "unload completed, starting to reload now";
		3088
2402	warn "reloading cf.pm";	3089	warn "reloading cf.pm";
2403	require cf;	3090	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		3092
2406	# load config and database again	3093	warn "loading config and database again";
2407	cf::cfg_load;	3094	cf::cfg_load;
2408	cf::db_load;
2409		3095
2410	# load extensions
2411	warn "load extensions";	3096	warn "loading extensions";
2412	cf::load_extensions;	3097	cf::load_extensions;
2413		3098
2414	# reattach attachments to objects	3099	warn "reattaching attachments to objects/players";
2415	warn "reattach";	3100	_global_reattach; # objects, sockets
2416	_global_reattach;	3101	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3102	reattach $_ for values %MAP;
2418	};	3103	warn "reattaching attachments to players";
		3104	reattach $_ for values %PLAYER;
2419		3105
2420	if ($@) {	3106	warn "leaving sync_job";
		3107
		3108	1
		3109	} or do {
2421	warn $@;	3110	warn $@;
2422	warn "error while reloading, exiting.";	3111	warn "error while reloading, exiting.";
2423	exit 1;	3112	exit 1;
2424	}	3113	};
2425		3114
2426	warn "reloaded successfully";	3115	warn "reloaded";
2427	};	3116	};
2428		3117
2429	#############################################################################	3118	our $RELOAD_WATCHER; # used only during reload
2430		3119
2431	unless ($LINK_MAP) {	3120	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	3121	# doing reload synchronously and two reloads happen back-to-back,
		3122	# coro crashes during coro_state_free->destroy here.
2433		3123
2434	$LINK_MAP->width (41);	3124	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	3125	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	3126	after => 0,
		3127	data => WF_AUTOCANCEL,
2444	cb => sub {	3128	cb => sub {
2445	$_[0]->w->cancel;	3129	do_reload_perl;
2446		3130	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	3131	},
2465		3132	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3133	}
2471
2472	register "<global>", __PACKAGE__;
2473		3134
2474	register_command "reload" => sub {	3135	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3136	my ($who, $arg) = @_;
2476		3137
2477	if ($who->flag (FLAG_WIZ)) {	3138	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3139	$who->message ("reloading server.");
		3140	async { reload_perl };
2481	}	3141	}
2482	};	3142	};
2483		3143
2484	unshift @INC, $LIBDIR;	3144	unshift @INC, $LIBDIR;
2485		3145
		3146	my $bug_warning = 0;
		3147
		3148	our @WAIT_FOR_TICK;
		3149	our @WAIT_FOR_TICK_BEGIN;
		3150
		3151	sub wait_for_tick {
		3152	return unless $TICK_WATCHER->is_active;
		3153	return if $Coro::current == $Coro::main;
		3154
		3155	my $signal = new Coro::Signal;
		3156	push @WAIT_FOR_TICK, $signal;
		3157	$signal->wait;
		3158	}
		3159
		3160	sub wait_for_tick_begin {
		3161	return unless $TICK_WATCHER->is_active;
		3162	return if $Coro::current == $Coro::main;
		3163
		3164	my $signal = new Coro::Signal;
		3165	push @WAIT_FOR_TICK_BEGIN, $signal;
		3166	$signal->wait;
		3167	}
		3168
		3169	my $min = 1e6;#d#
		3170	my $avg = 10;
2486	$TICK_WATCHER = Event->timer (	3171	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	3172	reentrant => 0,
		3173	parked => 1,
2488	prio => 0,	3174	prio => 0,
2489	at => $NEXT_TICK || $TICK,	3175	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	3176	data => WF_AUTOCANCEL,
2491	cb => sub {	3177	cb => sub {
		3178	if ($Coro::current != $Coro::main) {
		3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3180	unless ++$bug_warning > 10;
		3181	return;
		3182	}
		3183
		3184	$NOW = $tick_start = Event::time;
		3185
2492	cf::server_tick; # one server iteration	3186	cf::server_tick; # one server iteration
		3187
		3188	0 && sync_job {#d#
		3189	for(1..10) {
		3190	my $t = Event::time;
		3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3192	or die;
		3193
		3194	$map->width (50);
		3195	$map->height (50);
		3196	$map->alloc;
		3197	$map->_load_objects ("/tmp/x.map", 1);
		3198	my $t = Event::time - $t;
		3199
		3200	#next unless $t < 0.0013;#d#
		3201	if ($t < $min) {
		3202	$min = $t;
		3203	}
		3204	$avg = $avg * 0.99 + $t * 0.01;
		3205	}
		3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3207	exit 0;
		3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3209	};
		3210
2493	$RUNTIME += $TICK;	3211	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	3212	$NEXT_TICK += $TICK;
2495		3213
2496	$WAIT_FOR_TICK->broadcast;	3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3216	Coro::async_pool {
		3217	write_runtime
		3218	or warn "ERROR: unable to write runtime file: $!";
		3219	};
		3220	}
		3221
		3222	# my $AFTER = Event::time;
		3223	# warn $AFTER - $NOW;#d#
		3224
		3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3226	$sig->send;
		3227	}
		3228	while (my $sig = shift @WAIT_FOR_TICK) {
		3229	$sig->send;
		3230	}
		3231
		3232	$NOW = Event::time;
2498		3233
2499	# if we are delayed by four ticks or more, skip them all	3234	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501		3236
2502	$TICK_WATCHER->at ($NEXT_TICK);	3237	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	3238	$TICK_WATCHER->start;
		3239
		3240	$LOAD = ($NOW - $tick_start) / $TICK;
		3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3242
		3243	_post_tick;
		3244
		3245
2504	},	3246	},
2505	);	3247	);
2506		3248
		3249	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	3250	BDB::max_poll_time $TICK * 0.1;
2508		3251	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	3252	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	3253	fd => BDB::poll_fileno,
2511	poll => 'r',	3254	poll => 'r',
2512	prio => 5,	3255	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	3256	data => WF_AUTOCANCEL,
2519	after => 0,	3257	cb => \&BDB::poll_cb,
2520	interval => 10,	3258	);
2521	cb => sub {	3259	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	3260
2523	write_runtime	3261	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	3262	my $status;
		3263	my $current = $Coro::current;
		3264	(
		3265	sub {
		3266	$status = $!;
		3267	$current->ready; undef $current;
		3268	},
		3269	sub {
		3270	Coro::schedule while defined $current;
		3271	$! = $status;
		3272	},
		3273	)
		3274	};
		3275
		3276	unless ($DB_ENV) {
		3277	$DB_ENV = BDB::db_env_create;
		3278
		3279	cf::sync_job {
		3280	eval {
		3281	BDB::db_env_open
		3282	$DB_ENV,
		3283	$BDBDIR,
		3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3286	0666;
		3287
		3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3289
		3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3291	$DB_ENV->set_lk_detect;
		3292	};
		3293
		3294	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	3295	};
2526	},	3296	}
2527	);	3297	}
		3298
		3299	{
		3300	IO::AIO::min_parallel 8;
		3301
		3302	undef $Coro::AIO::WATCHER;
		3303	IO::AIO::max_poll_time $TICK * 0.1;
		3304	$AIO_POLL_WATCHER = Event->io (
		3305	reentrant => 0,
		3306	data => WF_AUTOCANCEL,
		3307	fd => IO::AIO::poll_fileno,
		3308	poll => 'r',
		3309	prio => 6,
		3310	cb => \&IO::AIO::poll_cb,
		3311	);
		3312	}
		3313
		3314	my $_log_backtrace;
		3315
		3316	sub _log_backtrace {
		3317	my ($msg, @addr) = @_;
		3318
		3319	$msg =~ s/\n//;
		3320
		3321	# limit the # of concurrent backtraces
		3322	if ($_log_backtrace < 2) {
		3323	++$_log_backtrace;
		3324	async {
		3325	my @bt = fork_call {
		3326	@addr = map { sprintf "%x", $_ } @addr;
		3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3329	or die "addr2line: $!";
		3330
		3331	my @funcs;
		3332	my @res = <$fh>;
		3333	chomp for @res;
		3334	while (@res) {
		3335	my ($func, $line) = splice @res, 0, 2, ();
		3336	push @funcs, "[$func] $line";
		3337	}
		3338
		3339	@funcs
		3340	};
		3341
		3342	LOG llevInfo, "[ABT] $msg\n";
		3343	LOG llevInfo, "[ABT] $_\n" for @bt;
		3344	--$_log_backtrace;
		3345	};
		3346	} else {
		3347	LOG llevInfo, "[ABT] $msg\n";
		3348	LOG llevInfo, "[ABT] [suppressed]\n";
		3349	}
		3350	}
		3351
		3352	# load additional modules
		3353	use cf::pod;
2528		3354
2529	END { cf::emergency_save }	3355	END { cf::emergency_save }
2530		3356
2531	1	3357	1
2532		3358

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