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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
		53
		54	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
39		59
		60	our $RELOAD; # number of reloads so far
40	our @EVENT;	61	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		62
43	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	79	our $NEXT_TICK;
46	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
47		85
48	our %CFG;	86	our %CFG;
49		87
50	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	89	our $RUNTIME;
52		90
53	our %PLAYER; # all users	91	our %PLAYER; # all users
54	our %MAP; # all maps	92	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		94
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
61		101
62	binmode STDOUT;	102	binmode STDOUT;
63	binmode STDERR;	103	binmode STDERR;
64		104
65	# read virtual server time, if available	105	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
70	}	110	}
71		111
72	mkdir cf::localdir;	112	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		114
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
81		118
82	#############################################################################	119	#############################################################################
83		120
84	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
85		122
…		…
92	=item $cf::RUNTIME	129	=item $cf::RUNTIME
93		130
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	132	every server tick.
96		133
97	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		137
99	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
101		142
102	=item $cf::NOW	143	=item $cf::NOW
103		144
104	The time of the last (current) server tick.	145	The time of the last (current) server tick.
105		146
106	=item $cf::TICK	147	=item $cf::TICK
107		148
108	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
109		160
110	=item %cf::CFG	161	=item %cf::CFG
111		162
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	164	from wherever your confdir points to.
114		165
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		167
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
121		177
122	=back	178	=back
123		179
124	=cut	180	=cut
125		181
126	BEGIN {	182	BEGIN {
127	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	184	my $msg = join "", @_;
129	utf8::encode $msg;
130		185
131	$msg .= "\n"	186	$msg .= "\n"
132	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
133		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
134	LOG llevError, $msg;	192	LOG llevError, $msg;
135	};	193	};
136	}	194	}
137		195
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		203
145	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	205	# within the Safe compartment.
147	for my $pkg (qw(	206	for my $pkg (qw(
148	cf::global cf::attachable	207	cf::global cf::attachable
…		…
157		216
158	$Event::DIED = sub {	217	$Event::DIED = sub {
159	warn "error in event callback: @_";	218	warn "error in event callback: @_";
160	};	219	};
161		220
162	my %ext_pkg;	221	#############################################################################
163	my @exts;
164	my @hook;
165		222
166	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
167		224
168	=over 4	225	=over 4
169		226
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	246	$d
190	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
191	}	248	}
192		249
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
196		251
197	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
198		253
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
207		255
208	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
209		257
210	=cut	258	=cut
211		259
212	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
214	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
216		264
217	=item cf::lock_wait $string	265	=item cf::lock_wait $string
218		266
219	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
220		268
…		…
226	returned.	274	returned.
227		275
228	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
230		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
231	=cut	283	=cut
232		284
233	our %LOCK;	285	our %LOCK;
234		286
235	sub lock_wait($) {	287	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
256	}	308	}
257	}	309	}
258		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
259	sub freeze_mainloop {	317	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
261		319
262	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
263	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
264	$guard	324	$guard
265	}	325	}
266		326
267	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
274		334
275	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
276		336
277	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
278		338
279	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
282		343
283	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
286	fast or be very important.	347	fast or be very important.
…		…
289		350
290	sub sync_job(&) {	351	sub sync_job(&) {
291	my ($job) = @_;	352	my ($job) = @_;
292		353
293	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
294	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
296		359
297	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
309		372
310	while ($busy) {	373	while ($busy) {
311	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
312	}	375	}
313		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
314	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
315	} else {	385	} else {
316	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
317		387
318	$job->()	388	$job->()
319	}	389	}
320	}	390	}
321		391
322	=item $coro = cf::async_ext { BLOCK }	392	=item $coro = cf::async_ext { BLOCK }
323		393
324	Like async, but this coro is automcatially being canceled when the	394	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	395	extension calling this is being unloaded.
326		396
327	=cut	397	=cut
328		398
329	sub async_ext(&) {	399	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
338		408
339	$coro	409	$coro
340	}	410	}
341		411
342	sub write_runtime {	412	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		413
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
346	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
347		418
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	419	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		420
352	aio_fsync $fh	421	sub _store_scalar {
353	and return;	422	open my $fh, ">", \my $buf
354		423	or die "fork_call: cannot open fh-to-buf in child : $!";
		424	Storable::store_fd $_[0], $fh;
355	close $fh	425	close $fh;
356	or return;
357		426
358	aio_rename "$runtime~", $runtime	427	$buf
359	and return;	428	}
360		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
361	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	599	}
363		600
364	=back	601	=back
365		602
366	=cut	603	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		604
490	#############################################################################	605	#############################################################################
491		606
492	=head2 ATTACHABLE OBJECTS	607	=head2 ATTACHABLE OBJECTS
493		608
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
497		612
498	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	615	Crossfire TRT).
501		616
502	=over 4	617	=over 4
503		618
504	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
505		620
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	734	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	735	our @CB_MAP = ();
621		736
622	my %attachment;	737	my %attachment;
623		738
		739	sub cf::attachable::thawer_merge {
		740	# simply override everything except _meta
		741	local $_[0]{_meta};
		742	%{$_[0]} = %{$_[1]};
		743	}
		744
624	sub _attach_cb($$$$) {	745	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	746	my ($registry, $event, $prio, $cb) = @_;
626		747
627	use sort 'stable';	748	use sort 'stable';
628		749
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
663		784
664	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		789
669	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	791	my $pkg = shift @arg;
671		792
672	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
702	}	823	}
703		824
704	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
705	} else {	826	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	828	}
708		829
709	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
710	}	831	}
711		832
…		…
713	if (ref $_[0]) {	834	if (ref $_[0]) {
714	_object_attach @_;	835	_object_attach @_;
715	} else {	836	} else {
716	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
717	}	838	}
		839	_recalc_want;
718	};	840	};
719		841
720	# all those should be optimised	842	# all those should be optimised
721	sub cf::attachable::detach {	843	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
726	reattach ($obj);	848	reattach ($obj);
727	} else {	849	} else {
728	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
729	}	851	}
		852	_recalc_want;
730	};	853	};
731		854
732	sub cf::attachable::attached {	855	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
734		857
…		…
749	";	872	";
750	die if $@;	873	die if $@;
751	}	874	}
752		875
753	our $override;	876	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		878
756	sub override {	879	sub override {
757	$override = 1;	880	$override = 1;
758	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
759	}	882	}
760		883
761	sub do_invoke {	884	sub do_invoke {
762	my $event = shift;	885	my $event = shift;
763	my $callbacks = shift;	886	my $callbacks = shift;
764		887
765	@invoke_results = ();	888	@INVOKE_RESULTS = ();
766		889
767	local $override;	890	local $override;
768		891
769	for (@$callbacks) {	892	for (@$callbacks) {
770	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
787		910
788	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
789		912
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		916
794	=back	917	=back
795		918
796	=cut	919	=cut
797		920
798	#############################################################################	921	#############################################################################
799	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
800		934
801	sub reattach {	935	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	937	my ($obj) = @_;
		938
		939	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		940
805	my $registry = $obj->registry;	941	my $registry = $obj->registry;
806		942
807	@$registry = ();	943	@$registry = ();
808		944
…		…
855	$filename, length $$rdata, scalar @$objs;	991	$filename, length $$rdata, scalar @$objs;
856		992
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	994	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	996	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	997	close $fh;
862		998
863	if (@$objs) {	999	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1001	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1002	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1003	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1004	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1005	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1006	aio_rename "$filename.pst~", "$filename.pst";
871	}	1007	}
872	} else {	1008	} else {
873	aio_unlink "$filename.pst";	1009	aio_unlink "$filename.pst";
…		…
905	or return;	1041	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1043	}
908		1044
909	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1047	return ($data, $av);
912	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
913		1055
914	#############################################################################	1056	#############################################################################
915	# command handling &c	1057	# command handling &c
916		1058
917	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1073	}
932		1074
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1076
935	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
936		1082
937	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
938	called.	1084	called.
939		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
940	=cut	1097	=cut
941		1098
942	sub register_extcmd {	1099	sub register_extcmd {
943	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
944		1101
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
949	}	1109	}
950		1110
951	cf::player->attach (	1111	cf::player->attach (
952	on_command => sub {	1112	on_command => sub {
953	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1122	cf::override;
963	},	1123	},
964	on_extcmd => sub {	1124	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
966		1126
967	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1128
969	if (ref $msg) {	1129	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	1133	}
974	}	1134	}
975	} else {	1135	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		1138
979	cf::override;	1139	cf::override;
980	},	1140	},
981	);	1141	);
982		1142
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
1060	for my $ext (<$LIBDIR/*.ext>) {	1147	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1148	next unless -r $path;
1062	eval {	1149
1063	load_extension $ext;	1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
1064	1	1207	}
1065	} or warn "$ext not loaded: $@";	1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
1066	}	1213	};
1067	}	1214	}
1068		1215
1069	#############################################################################	1216	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1217
1072	*cf::mapsupport::on_clean = sub {	1218	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1219
1085	=head2 CORE EXTENSIONS	1220	=head2 CORE EXTENSIONS
1086		1221
1087	Functions and methods that extend core crossfire objects.	1222	Functions and methods that extend core crossfire objects.
1088		1223
…		…
1101	Returns the given player object, loading it if necessary (might block).	1236	Returns the given player object, loading it if necessary (might block).
1102		1237
1103	=cut	1238	=cut
1104		1239
1105	sub playerdir($) {	1240	sub playerdir($) {
1106	cf::localdir	1241	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1242	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1243	}
1112		1244
1113	sub path($) {	1245	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1246	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1247
1116	(playerdir $login) . "/$login.pl"	1248	(playerdir $login) . "/playerdata"
1117	}	1249	}
1118		1250
1119	sub find_active($) {	1251	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1252	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1253	and $cf::PLAYER{$_[0]}->active
…		…
1124		1256
1125	sub exists($) {	1257	sub exists($) {
1126	my ($login) = @_;	1258	my ($login) = @_;
1127		1259
1128	$cf::PLAYER{$login}	1260	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1261	or cf::sync_job { !aio_stat path $login }
1130	}	1262	}
1131		1263
1132	sub find($) {	1264	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1265	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1266	my $login = $_[0];
1135		1267
1136	my $guard = cf::lock_acquire "user_find:$login";	1268	my $guard = cf::lock_acquire "user_find:$login";
1137		1269
1138	$cf::PLAYER{$_[0]} || do {	1270	$cf::PLAYER{$_[0]} || do {
		1271	# rename old playerfiles to new ones
		1272	#TODO: remove when no longer required
		1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1276	aio_unlink +(playerdir $login) . "/$login.pl";
		1277
1139	my $pl = load_pl path $login	1278	my $pl = load_pl path $login
1140	or return;	1279	or return;
1141	$cf::PLAYER{$login} = $pl	1280	$cf::PLAYER{$login} = $pl
1142	}	1281	}
1143	}	1282	}
…		…
1180		1319
1181	=cut	1320	=cut
1182		1321
1183	sub quit_character {	1322	sub quit_character {
1184	my ($pl) = @_;	1323	my ($pl) = @_;
		1324
		1325	my $name = $pl->ob->name;
1185		1326
1186	$pl->{deny_save} = 1;	1327	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1328	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1329
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1335	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1336	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1337	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1338	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1339	$pl->destroy;
		1340
		1341	my $prefix = qr<^~\Q$name\E/>;
		1342
		1343	# nuke player maps
		1344	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1345
1199	IO::AIO::aio_rmtree $temp;	1346	IO::AIO::aio_rmtree $temp;
		1347	}
		1348
		1349	=item $pl->kick
		1350
		1351	Kicks a player out of the game. This destroys the connection.
		1352
		1353	=cut
		1354
		1355	sub kick {
		1356	my ($pl, $kicker) = @_;
		1357
		1358	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1359	$pl->killer ("kicked");
		1360	$pl->ns->destroy;
1200	}	1361	}
1201		1362
1202	=item cf::player::list_logins	1363	=item cf::player::list_logins
1203		1364
1204	Returns am arrayref of all valid playernames in the system, can take a	1365	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1366	while and may block, so not sync_job-capable, ever.
1206		1367
1207	=cut	1368	=cut
1208		1369
1209	sub list_logins {	1370	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1371	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1372	or return [];
1212		1373
1213	my @logins;	1374	my @logins;
1214		1375
1215	for my $login (@$dirs) {	1376	for my $login (@$dirs) {
…		…
1224	\@logins	1385	\@logins
1225	}	1386	}
1226		1387
1227	=item $player->maps	1388	=item $player->maps
1228		1389
1229	Returns an arrayref of cf::path's of all maps that are private for this	1390	Returns an arrayref of map paths that are private for this
1230	player. May block.	1391	player. May block.
1231		1392
1232	=cut	1393	=cut
1233		1394
1234	sub maps($) {	1395	sub maps($) {
1235	my ($pl) = @_;	1396	my ($pl) = @_;
		1397
		1398	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1399
1237	my $files = aio_readdir playerdir $pl	1400	my $files = aio_readdir playerdir $pl
1238	or return;	1401	or return;
1239		1402
1240	my @paths;	1403	my @paths;
1241		1404
1242	for (@$files) {	1405	for (@$files) {
1243	utf8::decode $_;	1406	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1407	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1408	next unless /^$PATH_SEP/o;
1246		1409
1247	s/$PATH_SEP/\//g;	1410	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1411	}
1250		1412
1251	\@paths	1413	\@paths
1252	}	1414	}
1253		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1466	=item $player->ext_reply ($msgid, %msg)
1255		1467
1256	Sends an ext reply to the player.	1468	Sends an ext reply to the player.
1257		1469
1258	=cut	1470	=cut
1259		1471
1260	sub ext_reply($$$%) {	1472	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1473	my ($self, $id, %msg) = @_;
1262		1474
1263	$msg{msgid} = $id;	1475	$msg{msgid} = $id;
1264		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1477	}
1267		1478
1268	package cf;	1479	=item $player->ext_event ($type, %msg)
		1480
		1481	Sends an ext event to the client.
		1482
		1483	=cut
		1484
		1485	sub ext_event($$%) {
		1486	my ($self, $type, %msg) = @_;
		1487
		1488	$self->ns->ext_event ($type, %msg);
		1489	}
		1490
		1491	=head3 cf::region
		1492
		1493	=over 4
		1494
		1495	=cut
		1496
		1497	package cf::region;
		1498
		1499	=item cf::region::find_by_path $path
		1500
		1501	Tries to decuce the likely region for a map knowing only its path.
		1502
		1503	=cut
		1504
		1505	sub find_by_path($) {
		1506	my ($path) = @_;
		1507
		1508	my ($match, $specificity);
		1509
		1510	for my $region (list) {
		1511	if ($region->{match} && $path =~ $region->{match}) {
		1512	($match, $specificity) = ($region, $region->specificity)
		1513	if $region->specificity > $specificity;
		1514	}
		1515	}
		1516
		1517	$match
		1518	}
1269		1519
1270	=back	1520	=back
1271
1272		1521
1273	=head3 cf::map	1522	=head3 cf::map
1274		1523
1275	=over 4	1524	=over 4
1276		1525
…		…
1279	package cf::map;	1528	package cf::map;
1280		1529
1281	use Fcntl;	1530	use Fcntl;
1282	use Coro::AIO;	1531	use Coro::AIO;
1283		1532
		1533	use overload
		1534	'""' => \&as_string,
		1535	fallback => 1;
		1536
1284	our $MAX_RESET = 3600;	1537	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1538	our $DEFAULT_RESET = 3000;
1286		1539
1287	sub generate_random_map {	1540	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1541	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1542	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1543	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1547	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1548	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1549	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1550	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1551	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1552	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1553	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1554	(cf::region::find $rmp->{region}), $rmp->{custom}
		1555	)
		1556	}
		1557
		1558	=item cf::map->register ($regex, $prio)
		1559
		1560	Register a handler for the map path matching the given regex at the
		1561	givne priority (higher is better, built-in handlers have priority 0, the
		1562	default).
		1563
		1564	=cut
		1565
		1566	sub register {
		1567	my (undef, $regex, $prio) = @_;
		1568	my $pkg = caller;
		1569
		1570	no strict;
		1571	push @{"$pkg\::ISA"}, __PACKAGE__;
		1572
		1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1574	}
		1575
		1576	# also paths starting with '/'
		1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1578
		1579	sub thawer_merge {
		1580	my ($self, $merge) = @_;
		1581
		1582	# we have to keep some variables in memory intact
		1583	local $self->{path};
		1584	local $self->{load_path};
		1585
		1586	$self->SUPER::thawer_merge ($merge);
		1587	}
		1588
		1589	sub normalise {
		1590	my ($path, $base) = @_;
		1591
		1592	$path = "$path"; # make sure its a string
		1593
		1594	$path =~ s/\.map$//;
		1595
		1596	# map plan:
		1597	#
		1598	# /! non-realised random map exit (special hack!)
		1599	# {... are special paths that are not being touched
		1600	# ?xxx/... are special absolute paths
		1601	# ?random/... random maps
		1602	# /... normal maps
		1603	# ~user/... per-player map of a specific user
		1604
		1605	$path =~ s/$PATH_SEP/\//go;
		1606
		1607	# treat it as relative path if it starts with
		1608	# something that looks reasonable
		1609	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1610	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1611
		1612	$base =~ s{[^/]+/?$}{};
		1613	$path = "$base/$path";
		1614	}
		1615
		1616	for ($path) {
		1617	redo if s{//}{/};
		1618	redo if s{/\.?/}{/};
		1619	redo if s{/[^/]+/\.\./}{/};
		1620	}
		1621
		1622	$path
		1623	}
		1624
		1625	sub new_from_path {
		1626	my (undef, $path, $base) = @_;
		1627
		1628	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1629
		1630	$path = normalise $path, $base;
		1631
		1632	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1633	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1634	my $self = bless cf::map::new, $pkg;
		1635	$self->{path} = $path; $self->path ($path);
		1636	$self->init; # pass $1 etc.
		1637	return $self;
		1638	}
		1639	}
		1640
		1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1642	()
		1643	}
		1644
		1645	sub init {
		1646	my ($self) = @_;
		1647
		1648	$self
		1649	}
		1650
		1651	sub as_string {
		1652	my ($self) = @_;
		1653
		1654	"$self->{path}"
		1655	}
		1656
		1657	# the displayed name, this is a one way mapping
		1658	sub visible_name {
		1659	&as_string
		1660	}
		1661
		1662	# the original (read-only) location
		1663	sub load_path {
		1664	my ($self) = @_;
		1665
		1666	"$MAPDIR/$self->{path}.map"
		1667	}
		1668
		1669	# the temporary/swap location
		1670	sub save_path {
		1671	my ($self) = @_;
		1672
		1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1674	"$TMPDIR/$path.map"
		1675	}
		1676
		1677	# the unique path, undef == no special unique path
		1678	sub uniq_path {
		1679	my ($self) = @_;
		1680
		1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1682	"$UNIQUEDIR/$path"
1304	}	1683	}
1305		1684
1306	# and all this just because we cannot iterate over	1685	# and all this just because we cannot iterate over
1307	# all maps in C++...	1686	# all maps in C++...
1308	sub change_all_map_light {	1687	sub change_all_map_light {
…		…
1310		1689
1311	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
1313	}	1692	}
1314		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
		1700	}
		1701
		1702	sub unlink_save {
		1703	my ($self) = @_;
		1704
		1705	utf8::encode (my $save = $self->save_path);
		1706	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1707	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1708	}
		1709
1315	sub try_load_header($) {	1710	sub load_header_from($) {
1316	my ($path) = @_;	1711	my ($self, $path) = @_;
1317		1712
1318	utf8::encode $path;	1713	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1714	#aio_open $path, O_RDONLY, 0
		1715	# or return;
		1716
		1717	$self->_load_header ($path)
1320	or return;	1718	or return;
1321		1719
1322	my $map = cf::map::new	1720	$self->{load_path} = $path;
		1721
		1722	1
		1723	}
		1724
		1725	sub load_header_orig {
		1726	my ($self) = @_;
		1727
		1728	$self->load_header_from ($self->load_path)
		1729	}
		1730
		1731	sub load_header_temp {
		1732	my ($self) = @_;
		1733
		1734	$self->load_header_from ($self->save_path)
		1735	}
		1736
		1737	sub prepare_temp {
		1738	my ($self) = @_;
		1739
		1740	$self->last_access ((delete $self->{last_access})
		1741	|| $cf::RUNTIME); #d#
		1742	# safety
		1743	$self->{instantiate_time} = $cf::RUNTIME
		1744	if $self->{instantiate_time} > $cf::RUNTIME;
		1745	}
		1746
		1747	sub prepare_orig {
		1748	my ($self) = @_;
		1749
		1750	$self->{load_original} = 1;
		1751	$self->{instantiate_time} = $cf::RUNTIME;
		1752	$self->last_access ($cf::RUNTIME);
		1753	$self->instantiate;
		1754	}
		1755
		1756	sub load_header {
		1757	my ($self) = @_;
		1758
		1759	if ($self->load_header_temp) {
		1760	$self->prepare_temp;
		1761	} else {
		1762	$self->load_header_orig
1323	or return;	1763	or return;
		1764	$self->prepare_orig;
		1765	}
1324		1766
1325	# for better error messages only, will be overwritten	1767	$self->{deny_reset} = 1
1326	$map->path ($path);	1768	if $self->no_reset;
1327		1769
1328	$map->load_header ($path)	1770	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1771	unless $self->default_region;
1330		1772
1331	$map->{load_path} = $path;	1773	1
1332
1333	$map
1334	}	1774	}
1335		1775
1336	sub find;	1776	sub find;
1337	sub find {	1777	sub find {
1338	my ($path, $origin) = @_;	1778	my ($path, $origin) = @_;
1339		1779
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1780	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1781
1345	cf::lock_wait "map_find:$key";	1782	cf::lock_wait "map_find:$path";
1346		1783
1347	$cf::MAP{$key} || do {	1784	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1785	my $guard = cf::lock_acquire "map_find:$path";
1349		1786	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1787	or return;
1369		1788
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1789	$map->{last_save} = $cf::RUNTIME;
1382		1790
1383	Coro::cede;	1791	$map->load_header
		1792	or return;
1384		1793
1385	if ($map->should_reset) {	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1795	# doing this can freeze the server in a sync job, obviously
		1796	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1797	$map->reset;
1387	undef $guard;	1798	undef $guard;
1388	$map = find $path	1799	return find $path;
1389	or return;
1390	}	1800	}
1391		1801
1392	$cf::MAP{$key} = $map	1802	$cf::MAP{$path} = $map
1393	}	1803	}
1394	}	1804	}
		1805
		1806	sub pre_load { }
		1807	sub post_load { }
1395		1808
1396	sub load {	1809	sub load {
1397	my ($self) = @_;	1810	my ($self) = @_;
1398		1811
		1812	local $self->{deny_reset} = 1; # loading can take a long time
		1813
1399	my $path = $self->{path};	1814	my $path = $self->{path};
		1815
		1816	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1817	my $guard = cf::lock_acquire "map_load:$path";
1401		1818
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1819	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1820
1404	$self->in_memory (cf::MAP_LOADING);	1821	$self->in_memory (cf::MAP_LOADING);
1405		1822
1406	$self->alloc;	1823	$self->alloc;
		1824
		1825	$self->pre_load;
		1826	Coro::cede;
		1827
1407	$self->load_objects ($self->{load_path}, 1)	1828	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1829	or return;
1409		1830
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1832	if delete $self->{load_original};
1412		1833
1413	if (my $uniq = $path->uniq_path) {	1834	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1835	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1836	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1837	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1838	$self->_load_objects ($uniq, 0);
1418	}	1839	}
1419	}	1840	}
1420		1841
1421	Coro::cede;	1842	Coro::cede;
1422
1423	# now do the right thing for maps	1843	# now do the right thing for maps
1424	$self->link_multipart_objects;	1844	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1845	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1846	unless $self->difficulty;
		1847	Coro::cede;
		1848
		1849	unless ($self->{deny_activate}) {
		1850	$self->decay_objects;
		1851	$self->fix_auto_apply;
		1852	$self->update_buttons;
		1853	Coro::cede;
		1854	$self->set_darkness_map;
		1855	Coro::cede;
1436	$self->activate;	1856	$self->activate;
1437	}	1857	}
1438		1858
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1859	$self->in_memory (cf::MAP_IN_MEMORY);
		1860	}
		1861
		1862	$self->post_load;
		1863	}
		1864
		1865	sub customise_for {
		1866	my ($self, $ob) = @_;
		1867
		1868	return find "~" . $ob->name . "/" . $self->{path}
		1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
		1873
		1874	$self
1442	}	1875	}
1443		1876
1444	# find and load all maps in the 3x3 area around a map	1877	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1878	sub load_diag {
1446	my ($map) = @_;	1879	my ($map) = @_;
…		…
1476		1909
1477	cf::sync_job { $map->load };	1910	cf::sync_job { $map->load };
1478	}	1911	}
1479		1912
1480	our %MAP_PREFETCH;	1913	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1914	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1915
1496	sub find_async {	1916	sub find_async {
1497	my ($path, $origin) = @_;	1917	my ($path, $origin) = @_;
1498		1918
1499	$path = new cf::path $path, $origin && $origin->path;	1919	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1920
1502	if (my $map = $cf::MAP{$key}) {	1921	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1923	}
1505		1924
1506	$MAP_PREFETCH{$key} = $path;	1925	undef $MAP_PREFETCH{$path};
		1926	$MAP_PREFETCHER ||= cf::async {
		1927	while (%MAP_PREFETCH) {
		1928	for my $path (keys %MAP_PREFETCH) {
		1929	if (my $map = find $path) {
		1930	$map->load;
		1931	}
		1932
		1933	delete $MAP_PREFETCH{$path};
		1934	}
		1935	}
		1936	undef $MAP_PREFETCHER;
		1937	};
1507	$MAP_PREFETCHER->ready;	1938	$MAP_PREFETCHER->prio (6);
1508		1939
1509	()	1940	()
1510	}	1941	}
1511		1942
1512	sub save {	1943	sub save {
…		…
1516		1947
1517	$self->{last_save} = $cf::RUNTIME;	1948	$self->{last_save} = $cf::RUNTIME;
1518		1949
1519	return unless $self->dirty;	1950	return unless $self->dirty;
1520		1951
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1952	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1953	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1954
1524	$self->{load_path} = $save;	1955	$self->{load_path} = $save;
1525		1956
1526	return if $self->{deny_save};	1957	return if $self->{deny_save};
1527		1958
…		…
1530	cf::async {	1961	cf::async {
1531	$_->contr->save for $self->players;	1962	$_->contr->save for $self->players;
1532	};	1963	};
1533		1964
1534	if ($uniq) {	1965	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1968	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1969	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1970	}
1540	}	1971	}
1541		1972
1542	sub swap_out {	1973	sub swap_out {
1543	my ($self) = @_;	1974	my ($self) = @_;
…		…
1557		1988
1558	sub reset_at {	1989	sub reset_at {
1559	my ($self) = @_;	1990	my ($self) = @_;
1560		1991
1561	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1564		1994
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1997
…		…
1572	my ($self) = @_;	2002	my ($self) = @_;
1573		2003
1574	$self->reset_at <= $cf::RUNTIME	2004	$self->reset_at <= $cf::RUNTIME
1575	}	2005	}
1576		2006
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2007	sub reset {
1599	my ($self) = @_;	2008	my ($self) = @_;
1600		2009
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2011
1603	return if $self->players;	2012	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2013
1606	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
		2015
		2016	$self->in_memory (cf::MAP_SWAPPED);
		2017
		2018	# need to save uniques path
		2019	unless ($self->{deny_save}) {
		2020	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2021
		2022	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2023	if $uniq;
		2024	}
1607		2025
1608	delete $cf::MAP{$self->path};	2026	delete $cf::MAP{$self->path};
		2027
		2028	$self->clear;
1609		2029
1610	$_->clear_links_to ($self) for values %cf::MAP;	2030	$_->clear_links_to ($self) for values %cf::MAP;
1611		2031
1612	$self->unlink_save;	2032	$self->unlink_save;
1613	$self->destroy;	2033	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	2036	my $nuke_counter = "aaaa";
1617		2037
1618	sub nuke {	2038	sub nuke {
1619	my ($self) = @_;	2039	my ($self) = @_;
1620		2040
		2041	delete $cf::MAP{$self->path};
		2042
		2043	$self->unlink_save;
		2044
		2045	bless $self, "cf::map";
		2046	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2047	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2048	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2050
		2051	$cf::MAP{$self->path} = $self;
		2052
1624	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
1625	}	2054	}
1626		2055
1627	sub customise_for {	2056	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2057
1630	if ($map->per_player) {	2058	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
1632	}	2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
		2072	}
1633		2073
1634	$map	2074	=item $maps = cf::map::random_maps
		2075
		2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
		2078
		2079	=cut
		2080
		2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
		2090	}
		2091
		2092	=item cf::map::unique_maps
		2093
		2094	Returns an arrayref of paths of all shared maps that have
		2095	instantiated unique items. May block.
		2096
		2097	=cut
		2098
		2099	sub unique_maps() {
		2100	[
		2101	map {
		2102	utf8::decode $_;
		2103	/\.map$/
		2104	? normalise $_
		2105	: ()
		2106	} @{ aio_readdir $UNIQUEDIR or [] }
		2107	]
1635	}	2108	}
1636		2109
1637	package cf;	2110	package cf;
1638		2111
1639	=back	2112	=back
…		…
1685		2158
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2160
1688	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1690	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1693	}	2180	}
1694	}	2181	}
1695		2182
1696	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1697		2184
…		…
1711		2198
1712	=item $player_object->enter_link	2199	=item $player_object->enter_link
1713		2200
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2201	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2202
1716	The player should be reaosnably safe there for short amounts of time. You	2203	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2204	I<MUST> call C<leave_link> as soon as possible, though.
1718		2205
		2206	Will never block.
		2207
1719	=item $player_object->leave_link ($map, $x, $y)	2208	=item $player_object->leave_link ($map, $x, $y)
1720		2209
1721	Moves the player out of the specila link map onto the given map. If the	2210	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2211	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2212	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2213	fails, to the emergency map position.
1725		2214
1726	Might block.	2215	Might block.
1727		2216
1728	=cut	2217	=cut
		2218
		2219	sub link_map {
		2220	unless ($LINK_MAP) {
		2221	$LINK_MAP = cf::map::find "{link}"
		2222	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2223	$LINK_MAP->load;
		2224	}
		2225
		2226	$LINK_MAP
		2227	}
1729		2228
1730	sub cf::object::player::enter_link {	2229	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2230	my ($self) = @_;
1732		2231
1733	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1734		2233
1735	return if $self->map == $LINK_MAP;	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2235
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1739		2238
1740	$self->enter_map ($LINK_MAP, 20, 20);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2240	}
1742		2241
1743	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1745		2246
1746	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1747		2248
1748	unless ($map) {	2249	unless ($map) {
1749	# restore original map position	2250	# restore original map position
…		…
1767	$map->load;	2268	$map->load;
1768	$map->load_diag;	2269	$map->load_diag;
1769		2270
1770	return unless $self->contr->active;	2271	return unless $self->contr->active;
1771	$self->activate_recursive;	2272	$self->activate_recursive;
		2273
		2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1773	}	2276	}
1774		2277
1775	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2279
1779	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1783	};	2284	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2285
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2286	=cut
		2287
		2288	our $GOTOGEN;
1810		2289
1811	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2292
1814	$path = new cf::path $path;	2293	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2295
1817	$self->enter_link;	2296	$self->enter_link;
1818		2297
1819	(async {	2298	(async {
		2299	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
1822		2304	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2305	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
1827		2308
		2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
		2315	}
		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1829	})->prio (1);	2323	})->prio (1);
1830	}	2324	}
1831		2325
1832	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1833		2327
…		…
1835		2329
1836	sub parse_random_map_params {	2330	sub parse_random_map_params {
1837	my ($spec) = @_;	2331	my ($spec) = @_;
1838		2332
1839	my $rmp = { # defaults	2333	my $rmp = { # defaults
1840	xsize => 10,	2334	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2335	ysize => (cf::rndm 15, 40),
		2336	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2337	#layout => string,
1842	};	2338	};
1843		2339
1844	for (split /\n/, $spec) {	2340	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2341	my ($k, $v) = split /\s+/, $_, 2;
1846		2342
…		…
1850	$rmp	2346	$rmp
1851	}	2347	}
1852		2348
1853	sub prepare_random_map {	2349	sub prepare_random_map {
1854	my ($exit) = @_;	2350	my ($exit) = @_;
		2351
		2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2353
1856	# all this does is basically replace the /! path by	2354	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2355	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2356	# that depends on the exit object
1859		2357
1860	my $rmp = parse_random_map_params $exit->msg;	2358	my $rmp = parse_random_map_params $exit->msg;
1861		2359
1862	if ($exit->map) {	2360	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2361	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2362	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2363	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2364	$rmp->{origin_y} = $exit->y;
1867	}	2365	}
1868		2366
1869	$rmp->{random_seed} ||= $exit->random_seed;	2367	$rmp->{random_seed} ||= $exit->random_seed;
1870		2368
1871	my $data = cf::to_json $rmp;	2369	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2370	my $md5 = Digest::MD5::md5_hex $data;
		2371	my $meta = "$RANDOMDIR/$md5.meta";
1873		2372
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2374	aio_write $fh, 0, (length $data), $data, 0;
		2375	undef $fh;
		2376	aio_rename "$meta~", $meta;
1876		2377
1877	$exit->slaying ("?random/$md5");	2378	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2379	$exit->msg (undef);
1879	}	2380	}
1880	}	2381	}
…		…
1882	sub cf::object::player::enter_exit {	2383	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2384	my ($self, $exit) = @_;
1884		2385
1885	return unless $self->type == cf::PLAYER;	2386	return unless $self->type == cf::PLAYER;
1886		2387
		2388	if ($exit->slaying eq "/!") {
		2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2390	# the problem is that $exit might not survive long enough
		2391	# so it needs to be done right now, right here
		2392	cf::sync_job { prepare_random_map $exit };
		2393	}
		2394
		2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2396	my $hp = $exit->stats->hp;
		2397	my $sp = $exit->stats->sp;
		2398
1887	$self->enter_link;	2399	$self->enter_link;
		2400
		2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
1888		2404
1889	(async {	2405	(async {
1890	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2407	unless (eval {
1892	prepare_random_map $exit	2408	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2409
1898	1;	2410	1;
1899	}) {	2411	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2412	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2413	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2414	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2415	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2416
1905	warn "ERROR in enter_exit: $@";	2417	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2418	$self->leave_link;
1907	}	2419	}
1908	})->prio (1);	2420	})->prio (1);
…		…
1921		2433
1922	sub cf::client::send_drawinfo {	2434	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2435	my ($self, $text, $flags) = @_;
1924		2436
1925	utf8::encode $text;	2437	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2439	}
1928		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	$color &= ~cf::NDI_UNIQUE; # just in case...
		2456
		2457	if (ref $channel) {
		2458	# send meta info to client, if not yet sent
		2459	unless (exists $self->{channel}{$channel->{id}}) {
		2460	$self->{channel}{$channel->{id}} = $channel;
		2461	$self->ext_event (channel_info => %$channel);
		2462	}
		2463
		2464	$channel = $channel->{id};
		2465	}
		2466
		2467	return unless @extra || length $msg;
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
		2493	=item $client->ext_event ($type, %msg)
		2494
		2495	Sends an ext event to the client.
		2496
		2497	=cut
		2498
		2499	sub cf::client::ext_event($$%) {
		2500	my ($self, $type, %msg) = @_;
		2501
		2502	return unless $self->extcmd;
		2503
		2504	$msg{msgtype} = "event_$type";
		2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2506	}
1929		2507
1930	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
1931		2509
1932	Queues a query to the client, calling the given callback with	2510	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2511	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2513
1936	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2515	become reliable at some point in the future.
1938		2516
1939	=cut	2517	=cut
1940		2518
1941	sub cf::client::query {	2519	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2528	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2530
1953	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
1955	}	2535	}
1956		2536
1957	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
1958	on_reply => sub {	2543	on_reply => sub {
1959	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
1960		2545
1961	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
1962	# get handled first	2547	# get handled first
1963	my $queue = delete $ns->{query_queue}	2548	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2549	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2550
1966	(shift @$queue)->[1]->($msg);	2551	(shift @$queue)->[1]->($msg);
		2552	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2553
1968	push @{ $ns->{query_queue} }, @$queue;	2554	push @{ $ns->{query_queue} }, @$queue;
1969		2555
1970	if (@{ $ns->{query_queue} } == @$queue) {	2556	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2557	if (@$queue) {
…		…
1973	} else {	2559	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2561	}
1976	}	2562	}
1977	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
1978	);	2582	);
1979		2583
1980	=item $client->async (\&cb)	2584	=item $client->async (\&cb)
1981		2585
1982	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
…		…
2029		2633
2030	# here we export the classes and methods available to script code	2634	# here we export the classes and methods available to script code
2031		2635
2032	=pod	2636	=pod
2033		2637
2034	The following fucntions and emthods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
2035		2639
2036	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
2037	cf::object::player player	2644	cf::object::player
2038	cf::player peaceful	2645	player
2039	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
2040		2652
2041	=cut	2653	=cut
2042		2654
2043	for (	2655	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
2045	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
2047	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
2048	) {	2661	) {
2049	no strict 'refs';	2662	no strict 'refs';
…		…
2120	=back	2733	=back
2121		2734
2122	=cut	2735	=cut
2123		2736
2124	#############################################################################	2737	#############################################################################
		2738	# the server's init and main functions
2125		2739
2126	=head2 EXTENSION DATABASE SUPPORT	2740	sub load_facedata($) {
		2741	my ($path) = @_;
2127		2742
2128	Crossfire maintains a very simple database for extension use. It can	2743	warn "loading facedata from $path\n";
2129	currently store anything that can be serialised using Storable, which
2130	excludes objects.
2131		2744
2132	The parameter C<$family> should best start with the name of the extension	2745	my $facedata;
2133	using it, it should be unique.	2746	0 < aio_load $path, $facedata
		2747	or die "$path: $!";
2134		2748
2135	=over 4	2749	$facedata = Coro::Storable::thaw $facedata;
2136		2750
2137	=item $hashref = cf::db_get $family	2751	$facedata->{version} == 2
		2752	or cf::cleanup "$path: version mismatch, cannot proceed.";
2138		2753
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key
2144
2145	Returns a single value from the database
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}	2754	{
		2755	my $faces = $facedata->{faceinfo};
2175		2756
2176	my $pid;	2757	while (my ($face, $info) = each %$faces) {
		2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
		2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2177		2763
2178	sub db_save() {	2764	cf::cede_to_tick;
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});
2198
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {
2205	@_ >= 2
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209
2210	sub db_put($$;$) {
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2765	}
2224	);
2225	}
2226		2766
2227	#############################################################################	2767	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	2768	next unless $info->{smooth};
		2769	my $idx = cf::face::find $face
		2770	or next;
		2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
		2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2774	} else {
		2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2776	}
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	{
		2783	my $anims = $facedata->{animinfo};
		2784
		2785	while (my ($anim, $info) = each %$anims) {
		2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2787	cf::cede_to_tick;
		2788	}
		2789
		2790	cf::anim::invalidate_all; # d'oh
		2791	}
		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
		2821	}
		2822
		2823	1
		2824	}
		2825
		2826	sub reload_regions {
		2827	load_resource_file "$MAPDIR/regions"
		2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
		2834	}
		2835
		2836	sub reload_facedata {
		2837	load_facedata "$DATADIR/facedata"
		2838	or die "unable to load facedata\n";
		2839	}
		2840
		2841	sub reload_archetypes {
		2842	load_resource_file "$DATADIR/archetypes"
		2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
		2849	}
		2850
		2851	sub reload_treasures {
		2852	load_resource_file "$DATADIR/treasures"
		2853	or die "unable to load treasurelists\n";
		2854	}
		2855
		2856	sub reload_resources {
		2857	warn "reloading resource files...\n";
		2858
		2859	reload_regions;
		2860	reload_facedata;
		2861	#reload_archetypes;#d#
		2862	reload_archetypes;
		2863	reload_treasures;
		2864
		2865	warn "finished reloading resource files\n";
		2866	}
		2867
		2868	sub init {
		2869	reload_resources;
		2870	}
2229		2871
2230	sub cfg_load {	2872	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2873	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	2874	or return;
2233		2875
2234	local $/;	2876	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	2877	*CFG = YAML::Syck::Load <$fh>;
2236		2878
…		…
2250		2892
2251	sub main {	2893	sub main {
2252	# we must not ever block the main coroutine	2894	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2895	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2897	(async {
2255	async { Event::one_event };	2898	Event::one_event;
		2899	})->prio (Coro::PRIO_MAX);
2256	};	2900	};
2257		2901
2258	cfg_load;	2902	cfg_load;
2259	db_load;	2903	db_init;
2260	load_extensions;	2904	load_extensions;
		2905
		2906	$TICK_WATCHER->start;
2261	Event::loop;	2907	Event::loop;
2262	}	2908	}
2263		2909
2264	#############################################################################	2910	#############################################################################
2265	# initialisation and cleanup	2911	# initialisation and cleanup
2266		2912
2267	# install some emergency cleanup handlers	2913	# install some emergency cleanup handlers
2268	BEGIN {	2914	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2915	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2916	Event->signal (
		2917	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2918	data => WF_AUTOCANCEL,
2272	signal => $signal,	2919	signal => $signal,
		2920	prio => 0,
2273	cb => sub {	2921	cb => sub {
2274	cf::cleanup "SIG$signal";	2922	cf::cleanup "SIG$signal";
2275	},	2923	},
2276	);	2924	);
2277	}	2925	}
2278	}	2926	}
2279		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
		2964	}
		2965
2280	sub emergency_save() {	2966	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	2967	my $freeze_guard = cf::freeze_mainloop;
2282		2968
2283	warn "enter emergency perl save\n";	2969	warn "enter emergency perl save\n";
2284		2970
2285	cf::sync_job {	2971	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2972	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2973	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2974	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2975	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2976	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2977	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2978	$pl->valid or next;
2293	$pl->save;	2979	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2985	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2986	$map->valid or next;
2301	$map->save;	2987	$map->save;
2302	}	2988	}
2303	warn "end emergency map save\n";	2989	warn "end emergency map save\n";
		2990
		2991	warn "begin emergency database checkpoint\n";
		2992	BDB::db_env_txn_checkpoint $DB_ENV;
		2993	warn "end emergency database checkpoint\n";
2304	};	2994	};
2305		2995
2306	warn "leave emergency perl save\n";	2996	warn "leave emergency perl save\n";
2307	}	2997	}
2308		2998
		2999	sub post_cleanup {
		3000	my ($make_core) = @_;
		3001
		3002	warn Carp::longmess "post_cleanup backtrace"
		3003	if $make_core;
		3004	}
		3005
2309	sub reload() {	3006	sub do_reload_perl() {
2310	# can/must only be called in main	3007	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3008	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3009	warn "can only reload from main coroutine";
2313	return;	3010	return;
2314	}	3011	}
2315		3012
2316	warn "reloading...";	3013	warn "reloading...";
2317		3014
2318	my $guard = freeze_mainloop;	3015	warn "entering sync_job";
		3016
		3017	cf::sync_job {
		3018	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3019	cf::emergency_save;
		3020	cf::write_runtime; # external watchdog should not bark
2320		3021
2321	eval {	3022	warn "syncing database to disk";
		3023	BDB::db_env_txn_checkpoint $DB_ENV;
		3024
2322	# if anything goes wrong in here, we should simply crash as we already saved	3025	# if anything goes wrong in here, we should simply crash as we already saved
2323		3026
2324	# cancel all watchers	3027	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	3028	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3029	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	3030	}
2328		3031
		3032	warn "flushing outstanding aio requests";
		3033	for (;;) {
		3034	BDB::flush;
		3035	IO::AIO::flush;
		3036	Coro::cede;
		3037	last unless IO::AIO::nreqs || BDB::nreqs;
		3038	warn "iterate...";
		3039	}
		3040
		3041	++$RELOAD;
		3042
2329	# cancel all extension coros	3043	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	3044	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	3045	%EXT_CORO = ();
2332		3046
2333	# unload all extensions	3047	warn "removing commands";
2334	for (@exts) {	3048	%COMMAND = ();
		3049
		3050	warn "removing ext/exti commands";
		3051	%EXTCMD = ();
		3052	%EXTICMD = ();
		3053
		3054	warn "unloading/nuking all extensions";
		3055	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	3056	warn "... unloading $pkg";
2336	unload_extension $_;	3057
		3058	if (my $cb = $pkg->can ("unload")) {
		3059	eval {
		3060	$cb->($pkg);
		3061	1
		3062	} or warn "$pkg unloaded, but with errors: $@";
2337	}	3063	}
2338		3064
		3065	warn "... nuking $pkg";
		3066	Symbol::delete_package $pkg;
		3067	}
		3068
2339	# unload all modules loaded from $LIBDIR	3069	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	3070	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		3072
2343	warn "removing <$k>";	3073	warn "... unloading $k";
2344	delete $INC{$k};	3074	delete $INC{$k};
2345		3075
2346	$k =~ s/\.pm$//;	3076	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3077	$k =~ s/\//::/g;
2348		3078
…		…
2351	}	3081	}
2352		3082
2353	Symbol::delete_package $k;	3083	Symbol::delete_package $k;
2354	}	3084	}
2355		3085
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3086	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3087	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3089
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	3090	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	3091	delete $INC{"cf.pm"};
		3092	delete $INC{"cf/pod.pm"};
2369		3093
2370	# don't, removes xs symbols, too,	3094	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3095	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3096	#Symbol::delete_package __PACKAGE__;
2373		3097
2374	# reload cf.pm	3098	warn "unload completed, starting to reload now";
		3099
2375	warn "reloading cf.pm";	3100	warn "reloading cf.pm";
2376	require cf;	3101	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		3103
2379	# load config and database again	3104	warn "loading config and database again";
2380	cf::cfg_load;	3105	cf::cfg_load;
2381	cf::db_load;
2382		3106
2383	# load extensions
2384	warn "load extensions";	3107	warn "loading extensions";
2385	cf::load_extensions;	3108	cf::load_extensions;
2386		3109
2387	# reattach attachments to objects	3110	warn "reattaching attachments to objects/players";
2388	warn "reattach";	3111	_global_reattach; # objects, sockets
2389	_global_reattach;	3112	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3113	reattach $_ for values %MAP;
2391	};	3114	warn "reattaching attachments to players";
		3115	reattach $_ for values %PLAYER;
2392		3116
2393	if ($@) {	3117	warn "leaving sync_job";
		3118
		3119	1
		3120	} or do {
2394	warn $@;	3121	warn $@;
2395	warn "error while reloading, exiting.";	3122	warn "error while reloading, exiting.";
2396	exit 1;	3123	exit 1;
2397	}	3124	};
2398		3125
2399	warn "reloaded successfully";	3126	warn "reloaded";
2400	};	3127	};
2401		3128
2402	#############################################################################	3129	our $RELOAD_WATCHER; # used only during reload
2403		3130
2404	unless ($LINK_MAP) {	3131	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	3132	# doing reload synchronously and two reloads happen back-to-back,
		3133	# coro crashes during coro_state_free->destroy here.
2406		3134
2407	$LINK_MAP->width (41);	3135	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	3136	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	3137	after => 0,
		3138	data => WF_AUTOCANCEL,
2417	cb => sub {	3139	cb => sub {
2418	$_[0]->w->cancel;	3140	do_reload_perl;
2419		3141	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	3142	},
2438		3143	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3144	}
2444
2445	register "<global>", __PACKAGE__;
2446		3145
2447	register_command "reload" => sub {	3146	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3147	my ($who, $arg) = @_;
2449		3148
2450	if ($who->flag (FLAG_WIZ)) {	3149	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3150	$who->message ("reloading server.");
		3151	async { reload_perl };
2454	}	3152	}
2455	};	3153	};
2456		3154
2457	unshift @INC, $LIBDIR;	3155	unshift @INC, $LIBDIR;
2458		3156
		3157	my $bug_warning = 0;
		3158
		3159	our @WAIT_FOR_TICK;
		3160	our @WAIT_FOR_TICK_BEGIN;
		3161
		3162	sub wait_for_tick {
		3163	return unless $TICK_WATCHER->is_active;
		3164	return if $Coro::current == $Coro::main;
		3165
		3166	my $signal = new Coro::Signal;
		3167	push @WAIT_FOR_TICK, $signal;
		3168	$signal->wait;
		3169	}
		3170
		3171	sub wait_for_tick_begin {
		3172	return unless $TICK_WATCHER->is_active;
		3173	return if $Coro::current == $Coro::main;
		3174
		3175	my $signal = new Coro::Signal;
		3176	push @WAIT_FOR_TICK_BEGIN, $signal;
		3177	$signal->wait;
		3178	}
		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2459	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	3183	reentrant => 0,
		3184	parked => 1,
2461	prio => 0,	3185	prio => 0,
2462	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	3187	data => WF_AUTOCANCEL,
2464	cb => sub {	3188	cb => sub {
		3189	if ($Coro::current != $Coro::main) {
		3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3191	unless ++$bug_warning > 10;
		3192	return;
		3193	}
		3194
		3195	$NOW = $tick_start = Event::time;
		3196
2465	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
		3221
2466	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2468		3224
2469	$WAIT_FOR_TICK->broadcast;	3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3227	Coro::async_pool {
		3228	write_runtime
		3229	or warn "ERROR: unable to write runtime file: $!";
		3230	};
		3231	}
		3232
		3233	# my $AFTER = Event::time;
		3234	# warn $AFTER - $NOW;#d#
		3235
		3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3237	$sig->send;
		3238	}
		3239	while (my $sig = shift @WAIT_FOR_TICK) {
		3240	$sig->send;
		3241	}
		3242
		3243	$NOW = Event::time;
2471		3244
2472	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		3247
2475	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
		3250
		3251	$LOAD = ($NOW - $tick_start) / $TICK;
		3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3253
		3254	_post_tick;
		3255
		3256
2477	},	3257	},
2478	);	3258	);
2479		3259
		3260	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	3261	BDB::max_poll_time $TICK * 0.1;
2481		3262	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	3263	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	3264	fd => BDB::poll_fileno,
2484	poll => 'r',	3265	poll => 'r',
2485	prio => 5,	3266	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3267	data => WF_AUTOCANCEL,
2492	after => 0,	3268	cb => \&BDB::poll_cb,
2493	interval => 10,	3269	);
2494	cb => sub {	3270	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	3271
2496	write_runtime	3272	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	3273	my $status;
		3274	my $current = $Coro::current;
		3275	(
		3276	sub {
		3277	$status = $!;
		3278	$current->ready; undef $current;
		3279	},
		3280	sub {
		3281	Coro::schedule while defined $current;
		3282	$! = $status;
		3283	},
		3284	)
		3285	};
		3286
		3287	unless ($DB_ENV) {
		3288	$DB_ENV = BDB::db_env_create;
		3289
		3290	cf::sync_job {
		3291	eval {
		3292	BDB::db_env_open
		3293	$DB_ENV,
		3294	$BDBDIR,
		3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3297	0666;
		3298
		3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3300
		3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3302	$DB_ENV->set_lk_detect;
		3303	};
		3304
		3305	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	3306	};
2499	},	3307	}
2500	);	3308	}
		3309
		3310	{
		3311	IO::AIO::min_parallel 8;
		3312
		3313	undef $Coro::AIO::WATCHER;
		3314	IO::AIO::max_poll_time $TICK * 0.1;
		3315	$AIO_POLL_WATCHER = Event->io (
		3316	reentrant => 0,
		3317	data => WF_AUTOCANCEL,
		3318	fd => IO::AIO::poll_fileno,
		3319	poll => 'r',
		3320	prio => 6,
		3321	cb => \&IO::AIO::poll_cb,
		3322	);
		3323	}
		3324
		3325	my $_log_backtrace;
		3326
		3327	sub _log_backtrace {
		3328	my ($msg, @addr) = @_;
		3329
		3330	$msg =~ s/\n//;
		3331
		3332	# limit the # of concurrent backtraces
		3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
		3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
		3360	}
		3361	}
		3362
		3363	# load additional modules
		3364	use cf::pod;
2501		3365
2502	END { cf::emergency_save }	3366	END { cf::emergency_save }
2503		3367
2504	1	3368	1
2505		3369

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