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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
42		59
		60	our $RELOAD; # number of reloads so far
43	our @EVENT;	61	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		62
46	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(!)
47	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	79	our $NEXT_TICK;
49	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;
50		85
51	our %CFG;	86	our %CFG;
52		87
53	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	89	our $RUNTIME;
55		90
56	our %PLAYER; # all users	91	our %PLAYER; # all users
57	our %MAP; # all maps	92	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		94
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $tick_start; # for load detecting purposes
63		101
64	binmode STDOUT;	102	binmode STDOUT;
65	binmode STDERR;	103	binmode STDERR;
66		104
67	# read virtual server time, if available	105	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
72	}	110	}
73		111
74	mkdir cf::localdir;	112	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		114
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
83		118
84	#############################################################################	119	#############################################################################
85		120
86	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
87		122
…		…
94	=item $cf::RUNTIME	129	=item $cf::RUNTIME
95		130
96	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
97	every server tick.	132	every server tick.
98		133
99	=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
100		137
101	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		142
104	=item $cf::NOW	143	=item $cf::NOW
105		144
106	The time of the last (current) server tick.	145	The time of the last (current) server tick.
107		146
108	=item $cf::TICK	147	=item $cf::TICK
109		148
110	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.
111		160
112	=item %cf::CFG	161	=item %cf::CFG
113		162
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	164	from wherever your confdir points to.
116		165
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		167
119	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
120	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
121	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.
122	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.
123		177
124	=back	178	=back
125		179
126	=cut	180	=cut
127		181
128	BEGIN {	182	BEGIN {
129	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	184	my $msg = join "", @_;
131	utf8::encode $msg;
132		185
133	$msg .= "\n"	186	$msg .= "\n"
134	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
135		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
136	LOG llevError, $msg;	192	LOG llevError, $msg;
137	};	193	};
138	}	194	}
139		195
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@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';
145	@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)
146		203
147	# 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
148	# within the Safe compartment.	205	# within the Safe compartment.
149	for my $pkg (qw(	206	for my $pkg (qw(
150	cf::global cf::attachable	207	cf::global cf::attachable
…		…
158	}	215	}
159		216
160	$Event::DIED = sub {	217	$Event::DIED = sub {
161	warn "error in event callback: @_";	218	warn "error in event callback: @_";
162	};	219	};
		220
		221	#############################################################################
163		222
164	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
165		224
166	=over 4	225	=over 4
167		226
…		…
186	$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;
187	$d	246	$d
188	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
189	}	248	}
190		249
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
194		251
195	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
196		253
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
205		255
206	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
207		257
208	=cut	258	=cut
209		259
210	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
212	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
214		264
215	=item cf::lock_wait $string	265	=item cf::lock_wait $string
216		266
217	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
218		268
…		…
224	returned.	274	returned.
225		275
226	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
227	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
228		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
229	=cut	283	=cut
230		284
231	our %LOCK;	285	our %LOCK;
232		286
233	sub lock_wait($) {	287	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
254	}	308	}
255	}	309	}
256		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
257	sub freeze_mainloop {	317	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
259		319
260	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
261	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
262	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
263	}	375	}
264		376
265	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
266		378
267	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		384
273	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
274		386
275	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
276		388
277	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
280		393
281	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
284	fast or be very important.	397	fast or be very important.
…		…
287		400
288	sub sync_job(&) {	401	sub sync_job(&) {
289	my ($job) = @_;	402	my ($job) = @_;
290		403
291	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
292	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
294		409
295	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
307		422
308	while ($busy) {	423	while ($busy) {
309	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
310	}	425	}
311		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
312	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
313	} else {	435	} else {
314	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
315		437
316	$job->()	438	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
336		458
337	$coro	459	$coro
338	}	460	}
339		461
340	sub write_runtime {	462	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		463
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	464	Executes the given code block with the given arguments in a seperate
344	or return;	465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
345		468
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	469	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		470
350	aio_fsync $fh	471	sub _store_scalar {
351	and return;	472	open my $fh, ">", \my $buf
352		473	or die "fork_call: cannot open fh-to-buf in child : $!";
		474	Storable::store_fd $_[0], $fh;
353	close $fh	475	close $fh;
354	or return;
355		476
356	aio_rename "$runtime~", $runtime	477	$buf
357	and return;	478	}
358		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
359	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
		638	}
		639
		640	=item cf::datalog type => key => value, ...
		641
		642	Log a datalog packet of the given type with the given key-value pairs.
		643
		644	=cut
		645
		646	sub datalog($@) {
		647	my ($type, %kv) = @_;
		648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	649	}
361		650
362	=back	651	=back
363		652
364	=cut	653	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		654
493	#############################################################################	655	#############################################################################
494		656
495	=head2 ATTACHABLE OBJECTS	657	=head2 ATTACHABLE OBJECTS
496		658
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
500		662
501	In the following description, CLASS can be any of C<global>, C<object>	663	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	665	Crossfire TRT).
504		666
505	=over 4	667	=over 4
506		668
507	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
508		670
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	784	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	785	our @CB_MAP = ();
624		786
625	my %attachment;	787	my %attachment;
626		788
		789	sub cf::attachable::thawer_merge {
		790	# simply override everything except _meta
		791	local $_[0]{_meta};
		792	%{$_[0]} = %{$_[1]};
		793	}
		794
627	sub _attach_cb($$$$) {	795	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	796	my ($registry, $event, $prio, $cb) = @_;
629		797
630	use sort 'stable';	798	use sort 'stable';
631		799
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
666		834
667	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		839
672	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	841	my $pkg = shift @arg;
674		842
675	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
705	}	873	}
706		874
707	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
708	} else {	876	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	878	}
711		879
712	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
713	}	881	}
714		882
…		…
716	if (ref $_[0]) {	884	if (ref $_[0]) {
717	_object_attach @_;	885	_object_attach @_;
718	} else {	886	} else {
719	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
720	}	888	}
		889	_recalc_want;
721	};	890	};
722		891
723	# all those should be optimised	892	# all those should be optimised
724	sub cf::attachable::detach {	893	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
729	reattach ($obj);	898	reattach ($obj);
730	} else {	899	} else {
731	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
732	}	901	}
		902	_recalc_want;
733	};	903	};
734		904
735	sub cf::attachable::attached {	905	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
737		907
…		…
752	";	922	";
753	die if $@;	923	die if $@;
754	}	924	}
755		925
756	our $override;	926	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		928
759	sub override {	929	sub override {
760	$override = 1;	930	$override = 1;
761	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
762	}	932	}
763		933
764	sub do_invoke {	934	sub do_invoke {
765	my $event = shift;	935	my $event = shift;
766	my $callbacks = shift;	936	my $callbacks = shift;
767		937
768	@invoke_results = ();	938	@INVOKE_RESULTS = ();
769		939
770	local $override;	940	local $override;
771		941
772	for (@$callbacks) {	942	for (@$callbacks) {
773	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
790		960
791	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
792		962
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	964	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		966
797	=back	967	=back
798		968
799	=cut	969	=cut
800		970
801	#############################################################################	971	#############################################################################
802	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
803		984
804	sub reattach {	985	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	987	my ($obj) = @_;
		988
		989	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		990
808	my $registry = $obj->registry;	991	my $registry = $obj->registry;
809		992
810	@$registry = ();	993	@$registry = ();
811		994
…		…
858	$filename, length $$rdata, scalar @$objs;	1041	$filename, length $$rdata, scalar @$objs;
859		1042
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1044	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1046	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1047	close $fh;
865		1048
866	if (@$objs) {	1049	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1050	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1051	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1052	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1053	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1054	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1055	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1056	aio_rename "$filename.pst~", "$filename.pst";
874	}	1057	}
875	} else {	1058	} else {
876	aio_unlink "$filename.pst";	1059	aio_unlink "$filename.pst";
…		…
908	or return;	1091	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1093	}
911		1094
912	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1097	return ($data, $av);
915	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
916		1105
917	#############################################################################	1106	#############################################################################
918	# command handling &c	1107	# command handling &c
919		1108
920	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1123	}
935		1124
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1126
938	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
939		1132
940	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
941	called.	1134	called.
942		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
943	=cut	1147	=cut
944		1148
945	sub register_extcmd {	1149	sub register_extcmd {
946	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
947		1151
948	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
949	}	1159	}
950		1160
951	cf::player->attach (	1161	cf::player->attach (
952	on_command => sub {	1162	on_command => sub {
953	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1172	cf::override;
963	},	1173	},
964	on_extcmd => sub {	1174	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
966		1176
967	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1178
969	if (ref $msg) {	1179	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
978		1188
979	cf::override;	1189	cf::override;
980	},	1190	},
981	);	1191	);
982		1192
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
1011	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1198	next unless -r $path;
1013	eval {	1199
1014	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
1015	1	1257	}
1016	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
1017	}	1263	};
1018	}	1264	}
1019		1265
1020	#############################################################################	1266	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1267
1023	*cf::mapsupport::on_clean = sub {	1268	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1269
1036	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
1037		1271
1038	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
1039		1273
…		…
1052	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
1053		1287
1054	=cut	1288	=cut
1055		1289
1056	sub playerdir($) {	1290	sub playerdir($) {
1057	cf::localdir	1291	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1293	}
1063		1294
1064	sub path($) {	1295	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1297
1067	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
1068	}	1299	}
1069		1300
1070	sub find_active($) {	1301	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
1075		1306
1076	sub exists($) {	1307	sub exists($) {
1077	my ($login) = @_;	1308	my ($login) = @_;
1078		1309
1079	$cf::PLAYER{$login}	1310	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1311	or cf::sync_job { !aio_stat path $login }
1081	}	1312	}
1082		1313
1083	sub find($) {	1314	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1315	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1316	my $login = $_[0];
1086		1317
1087	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
1088		1319
1089	$cf::PLAYER{$_[0]} || do {	1320	$cf::PLAYER{$_[0]} || do {
		1321	# rename old playerfiles to new ones
		1322	#TODO: remove when no longer required
		1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1326	aio_unlink +(playerdir $login) . "/$login.pl";
		1327
1090	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
1091	or return;	1329	or return;
1092	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
1093	}	1331	}
1094	}	1332	}
…		…
1131		1369
1132	=cut	1370	=cut
1133		1371
1134	sub quit_character {	1372	sub quit_character {
1135	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1136		1376
1137	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1378	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1379
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1389	$pl->destroy;
		1390
		1391	my $prefix = qr<^~\Q$name\E/>;
		1392
		1393	# nuke player maps
		1394	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1395
1150	IO::AIO::aio_rmtree $temp;	1396	IO::AIO::aio_rmtree $temp;
		1397	}
		1398
		1399	=item $pl->kick
		1400
		1401	Kicks a player out of the game. This destroys the connection.
		1402
		1403	=cut
		1404
		1405	sub kick {
		1406	my ($pl, $kicker) = @_;
		1407
		1408	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1409	$pl->killer ("kicked");
		1410	$pl->ns->destroy;
1151	}	1411	}
1152		1412
1153	=item cf::player::list_logins	1413	=item cf::player::list_logins
1154		1414
1155	Returns am arrayref of all valid playernames in the system, can take a	1415	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1157		1417
1158	=cut	1418	=cut
1159		1419
1160	sub list_logins {	1420	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1422	or return [];
1163		1423
1164	my @logins;	1424	my @logins;
1165		1425
1166	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1175	\@logins	1435	\@logins
1176	}	1436	}
1177		1437
1178	=item $player->maps	1438	=item $player->maps
1179		1439
1180	Returns an arrayref of cf::path's of all maps that are private for this	1440	Returns an arrayref of map paths that are private for this
1181	player. May block.	1441	player. May block.
1182		1442
1183	=cut	1443	=cut
1184		1444
1185	sub maps($) {	1445	sub maps($) {
1186	my ($pl) = @_;	1446	my ($pl) = @_;
		1447
		1448	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1449
1188	my $files = aio_readdir playerdir $pl	1450	my $files = aio_readdir playerdir $pl
1189	or return;	1451	or return;
1190		1452
1191	my @paths;	1453	my @paths;
…		…
1193	for (@$files) {	1455	for (@$files) {
1194	utf8::decode $_;	1456	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1457	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1458	next unless /^$PATH_SEP/o;
1197		1459
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1460	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1461	}
1200		1462
1201	\@paths	1463	\@paths
1202	}	1464	}
1203		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1205		1517
1206	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1207		1519
1208	=cut	1520	=cut
1209		1521
1210	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1212		1524
1213	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1214		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1527	}
1217		1528
1218	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		1536	my ($self, $type, %msg) = @_;
		1537
		1538	$self->ns->ext_event ($type, %msg);
		1539	}
		1540
		1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1219		1569
1220	=back	1570	=back
1221
1222		1571
1223	=head3 cf::map	1572	=head3 cf::map
1224		1573
1225	=over 4	1574	=over 4
1226		1575
…		…
1229	package cf::map;	1578	package cf::map;
1230		1579
1231	use Fcntl;	1580	use Fcntl;
1232	use Coro::AIO;	1581	use Coro::AIO;
1233		1582
		1583	use overload
		1584	'""' => \&as_string,
		1585	fallback => 1;
		1586
1234	our $MAX_RESET = 3600;	1587	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1588	our $DEFAULT_RESET = 3000;
1236		1589
1237	sub generate_random_map {	1590	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1591	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1592	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1593	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1597	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1598	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1599	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1600	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1601	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1602	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1603	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1604	(cf::region::find $rmp->{region}), $rmp->{custom}
		1605	)
		1606	}
		1607
		1608	=item cf::map->register ($regex, $prio)
		1609
		1610	Register a handler for the map path matching the given regex at the
		1611	givne priority (higher is better, built-in handlers have priority 0, the
		1612	default).
		1613
		1614	=cut
		1615
		1616	sub register {
		1617	my (undef, $regex, $prio) = @_;
		1618	my $pkg = caller;
		1619
		1620	no strict;
		1621	push @{"$pkg\::ISA"}, __PACKAGE__;
		1622
		1623	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1624	}
		1625
		1626	# also paths starting with '/'
		1627	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1628
		1629	sub thawer_merge {
		1630	my ($self, $merge) = @_;
		1631
		1632	# we have to keep some variables in memory intact
		1633	local $self->{path};
		1634	local $self->{load_path};
		1635
		1636	$self->SUPER::thawer_merge ($merge);
		1637	}
		1638
		1639	sub normalise {
		1640	my ($path, $base) = @_;
		1641
		1642	$path = "$path"; # make sure its a string
		1643
		1644	$path =~ s/\.map$//;
		1645
		1646	# map plan:
		1647	#
		1648	# /! non-realised random map exit (special hack!)
		1649	# {... are special paths that are not being touched
		1650	# ?xxx/... are special absolute paths
		1651	# ?random/... random maps
		1652	# /... normal maps
		1653	# ~user/... per-player map of a specific user
		1654
		1655	$path =~ s/$PATH_SEP/\//go;
		1656
		1657	# treat it as relative path if it starts with
		1658	# something that looks reasonable
		1659	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1660	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1661
		1662	$base =~ s{[^/]+/?$}{};
		1663	$path = "$base/$path";
		1664	}
		1665
		1666	for ($path) {
		1667	redo if s{//}{/};
		1668	redo if s{/\.?/}{/};
		1669	redo if s{/[^/]+/\.\./}{/};
		1670	}
		1671
		1672	$path
		1673	}
		1674
		1675	sub new_from_path {
		1676	my (undef, $path, $base) = @_;
		1677
		1678	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1679
		1680	$path = normalise $path, $base;
		1681
		1682	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1683	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1684	my $self = bless cf::map::new, $pkg;
		1685	$self->{path} = $path; $self->path ($path);
		1686	$self->init; # pass $1 etc.
		1687	return $self;
		1688	}
		1689	}
		1690
		1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1692	()
		1693	}
		1694
		1695	sub init {
		1696	my ($self) = @_;
		1697
		1698	$self
		1699	}
		1700
		1701	sub as_string {
		1702	my ($self) = @_;
		1703
		1704	"$self->{path}"
		1705	}
		1706
		1707	# the displayed name, this is a one way mapping
		1708	sub visible_name {
		1709	&as_string
		1710	}
		1711
		1712	# the original (read-only) location
		1713	sub load_path {
		1714	my ($self) = @_;
		1715
		1716	"$MAPDIR/$self->{path}.map"
		1717	}
		1718
		1719	# the temporary/swap location
		1720	sub save_path {
		1721	my ($self) = @_;
		1722
		1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1724	"$TMPDIR/$path.map"
		1725	}
		1726
		1727	# the unique path, undef == no special unique path
		1728	sub uniq_path {
		1729	my ($self) = @_;
		1730
		1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1732	"$UNIQUEDIR/$path"
1254	}	1733	}
1255		1734
1256	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1257	# all maps in C++...	1736	# all maps in C++...
1258	sub change_all_map_light {	1737	sub change_all_map_light {
…		…
1260		1739
1261	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1263	}	1742	}
1264		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
		1750	}
		1751
		1752	sub unlink_save {
		1753	my ($self) = @_;
		1754
		1755	utf8::encode (my $save = $self->save_path);
		1756	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1757	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1758	}
		1759
1265	sub try_load_header($) {	1760	sub load_header_from($) {
1266	my ($path) = @_;	1761	my ($self, $path) = @_;
1267		1762
1268	utf8::encode $path;	1763	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1764	#aio_open $path, O_RDONLY, 0
		1765	# or return;
		1766
		1767	$self->_load_header ($path)
1270	or return;	1768	or return;
1271		1769
1272	my $map = cf::map::new	1770	$self->{load_path} = $path;
		1771
		1772	1
		1773	}
		1774
		1775	sub load_header_orig {
		1776	my ($self) = @_;
		1777
		1778	$self->load_header_from ($self->load_path)
		1779	}
		1780
		1781	sub load_header_temp {
		1782	my ($self) = @_;
		1783
		1784	$self->load_header_from ($self->save_path)
		1785	}
		1786
		1787	sub prepare_temp {
		1788	my ($self) = @_;
		1789
		1790	$self->last_access ((delete $self->{last_access})
		1791	|| $cf::RUNTIME); #d#
		1792	# safety
		1793	$self->{instantiate_time} = $cf::RUNTIME
		1794	if $self->{instantiate_time} > $cf::RUNTIME;
		1795	}
		1796
		1797	sub prepare_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->{load_original} = 1;
		1801	$self->{instantiate_time} = $cf::RUNTIME;
		1802	$self->last_access ($cf::RUNTIME);
		1803	$self->instantiate;
		1804	}
		1805
		1806	sub load_header {
		1807	my ($self) = @_;
		1808
		1809	if ($self->load_header_temp) {
		1810	$self->prepare_temp;
		1811	} else {
		1812	$self->load_header_orig
1273	or return;	1813	or return;
		1814	$self->prepare_orig;
		1815	}
1274		1816
1275	# for better error messages only, will be overwritten	1817	$self->{deny_reset} = 1
1276	$map->path ($path);	1818	if $self->no_reset;
1277		1819
1278	$map->load_header ($path)	1820	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1821	unless $self->default_region;
1280		1822
1281	$map->{load_path} = $path;	1823	1
1282
1283	$map
1284	}	1824	}
1285		1825
1286	sub find;	1826	sub find;
1287	sub find {	1827	sub find {
1288	my ($path, $origin) = @_;	1828	my ($path, $origin) = @_;
1289		1829
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1830	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1831
1295	cf::lock_wait "map_find:$key";	1832	cf::lock_wait "map_find:$path";
1296		1833
1297	$cf::MAP{$key} || do {	1834	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1835	my $guard = cf::lock_acquire "map_find:$path";
1299		1836	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1837	or return;
1319		1838
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1332		1840
1333	Coro::cede;	1841	$map->load_header
		1842	or return;
1334		1843
1335	if ($map->should_reset) {	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1845	# doing this can freeze the server in a sync job, obviously
		1846	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1847	$map->reset;
1337	undef $guard;	1848	undef $guard;
1338	$map = find $path	1849	return find $path;
1339	or return;
1340	}	1850	}
1341		1851
1342	$cf::MAP{$key} = $map	1852	$cf::MAP{$path} = $map
1343	}	1853	}
1344	}	1854	}
		1855
		1856	sub pre_load { }
		1857	sub post_load { }
1345		1858
1346	sub load {	1859	sub load {
1347	my ($self) = @_;	1860	my ($self) = @_;
1348		1861
		1862	local $self->{deny_reset} = 1; # loading can take a long time
		1863
1349	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1867	my $guard = cf::lock_acquire "map_load:$path";
1351		1868
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1870
1354	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1355		1872
1356	$self->alloc;	1873	$self->alloc;
		1874
		1875	$self->pre_load;
		1876	Coro::cede;
		1877
1357	$self->load_objects ($self->{load_path}, 1)	1878	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1879	or return;
1359		1880
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1882	if delete $self->{load_original};
1362		1883
1363	if (my $uniq = $path->uniq_path) {	1884	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1885	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1886	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1887	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1888	$self->_load_objects ($uniq, 0);
1368	}	1889	}
1369	}	1890	}
1370		1891
1371	Coro::cede;	1892	Coro::cede;
1372
1373	# now do the right thing for maps	1893	# now do the right thing for maps
1374	$self->link_multipart_objects;	1894	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1896	unless $self->difficulty;
		1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1386	$self->activate;	1906	$self->activate;
1387	}	1907	}
1388		1908
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
		1913	}
		1914
		1915	sub customise_for {
		1916	my ($self, $ob) = @_;
		1917
		1918	return find "~" . $ob->name . "/" . $self->{path}
		1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
		1924	$self
1392	}	1925	}
1393		1926
1394	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1928	sub load_diag {
1396	my ($map) = @_;	1929	my ($map) = @_;
…		…
1426		1959
1427	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1428	}	1961	}
1429		1962
1430	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1964	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1965
1446	sub find_async {	1966	sub find_async {
1447	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1448		1968
1449	$path = new cf::path $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1970
1452	if (my $map = $cf::MAP{$key}) {	1971	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1973	}
1455		1974
1456	$MAP_PREFETCH{$key} = $path;	1975	undef $MAP_PREFETCH{$path};
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	for my $path (keys %MAP_PREFETCH) {
		1979	if (my $map = find $path) {
		1980	$map->load;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$path};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
		1987	};
1457	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1458		1989
1459	()	1990	()
1460	}	1991	}
1461		1992
1462	sub save {	1993	sub save {
…		…
1466		1997
1467	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1468		1999
1469	return unless $self->dirty;	2000	return unless $self->dirty;
1470		2001
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2004
1474	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1475		2006
1476	return if $self->{deny_save};	2007	return if $self->{deny_save};
1477		2008
…		…
1480	cf::async {	2011	cf::async {
1481	$_->contr->save for $self->players;	2012	$_->contr->save for $self->players;
1482	};	2013	};
1483		2014
1484	if ($uniq) {	2015	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2018	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2020	}
1490	}	2021	}
1491		2022
1492	sub swap_out {	2023	sub swap_out {
1493	my ($self) = @_;	2024	my ($self) = @_;
…		…
1507		2038
1508	sub reset_at {	2039	sub reset_at {
1509	my ($self) = @_;	2040	my ($self) = @_;
1510		2041
1511	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1514		2044
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2047
…		…
1522	my ($self) = @_;	2052	my ($self) = @_;
1523		2053
1524	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1525	}	2055	}
1526		2056
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2057	sub reset {
1549	my ($self) = @_;	2058	my ($self) = @_;
1550		2059
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2061
1553	return if $self->players;	2062	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2063
1556	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1557		2075
1558	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1559		2079
1560	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1561		2081
1562	$self->unlink_save;	2082	$self->unlink_save;
1563	$self->destroy;	2083	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1567		2087
1568	sub nuke {	2088	sub nuke {
1569	my ($self) = @_;	2089	my ($self) = @_;
1570		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1574	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1575	}	2104	}
1576		2105
1577	sub customise_for {	2106	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2107
1580	if ($map->per_player) {	2108	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
1582	}	2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
1583		2123
1584	$map	2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
1585	}	2140	}
1586		2141
1587	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1588		2143
1589	Returns an arrayref of cf::path's of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2145	instantiated unique items. May block.
1591		2146
1592	=cut	2147	=cut
1593		2148
1594	sub unique_maps() {	2149	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1596	or return;	2151	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2152	utf8::decode $_;
1602	next if /\.pst$/;	2153	/\.map$/
1603	next unless /^$PATH_SEP/o;	2154	? normalise $_
1604		2155	: ()
1605	push @paths, new cf::path $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2157	]
1607
1608	\@paths
1609	}	2158	}
1610		2159
1611	package cf;	2160	package cf;
1612		2161
1613	=back	2162	=back
…		…
1659		2208
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2210
1662	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1664	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1667	}	2230	}
1668	}	2231	}
1669		2232
1670	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1671		2234
…		…
1685		2248
1686	=item $player_object->enter_link	2249	=item $player_object->enter_link
1687		2250
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2251	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2252
1690	The player should be reaosnably safe there for short amounts of time. You	2253	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2254	I<MUST> call C<leave_link> as soon as possible, though.
1692		2255
		2256	Will never block.
		2257
1693	=item $player_object->leave_link ($map, $x, $y)	2258	=item $player_object->leave_link ($map, $x, $y)
1694		2259
1695	Moves the player out of the specila link map onto the given map. If the	2260	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2261	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2262	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2263	fails, to the emergency map position.
1699		2264
1700	Might block.	2265	Might block.
1701		2266
1702	=cut	2267	=cut
		2268
		2269	sub link_map {
		2270	unless ($LINK_MAP) {
		2271	$LINK_MAP = cf::map::find "{link}"
		2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2273	$LINK_MAP->load;
		2274	}
		2275
		2276	$LINK_MAP
		2277	}
1703		2278
1704	sub cf::object::player::enter_link {	2279	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2280	my ($self) = @_;
1706		2281
1707	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1708		2283
1709	return if $self->map == $LINK_MAP;	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2285
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1713		2288
1714	$self->enter_map ($LINK_MAP, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2290	}
1716		2291
1717	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1719		2296
1720	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1721		2298
1722	unless ($map) {	2299	unless ($map) {
1723	# restore original map position	2300	# restore original map position
…		…
1741	$map->load;	2318	$map->load;
1742	$map->load_diag;	2319	$map->load_diag;
1743		2320
1744	return unless $self->contr->active;	2321	return unless $self->contr->active;
1745	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1747	}	2326	}
1748		2327
1749	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2329
1753	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1757	};	2334	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2335
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1784		2339
1785	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2342
1788	$path = new cf::path $path;	2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2345
1790	$self->enter_link;	2346	$self->enter_link;
1791		2347
1792	(async {	2348	(async {
		2349	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1795		2354	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1800		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1802	})->prio (1);	2373	})->prio (1);
1803	}	2374	}
1804		2375
1805	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1806		2377
…		…
1808		2379
1809	sub parse_random_map_params {	2380	sub parse_random_map_params {
1810	my ($spec) = @_;	2381	my ($spec) = @_;
1811		2382
1812	my $rmp = { # defaults	2383	my $rmp = { # defaults
1813	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1815	};	2388	};
1816		2389
1817	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1819		2392
…		…
1823	$rmp	2396	$rmp
1824	}	2397	}
1825		2398
1826	sub prepare_random_map {	2399	sub prepare_random_map {
1827	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2403
1829	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2406	# that depends on the exit object
1832		2407
1833	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1834		2409
1835	if ($exit->map) {	2410	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1840	}	2415	}
1841		2416
1842	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1843		2418
1844	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1846		2422
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1849		2427
1850	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2429	$exit->msg (undef);
1852	}	2430	}
1853	}	2431	}
…		…
1855	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1857		2435
1858	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1859		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1860	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1861		2454
1862	(async {	2455	(async {
1863	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2457	unless (eval {
1865	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2459
1871	1;	2460	1;
1872	}) {	2461	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2466
1878	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2468	$self->leave_link;
1880	}	2469	}
1881	})->prio (1);	2470	})->prio (1);
…		…
1894		2483
1895	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1897		2486
1898	utf8::encode $text;	2487	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2489	}
1901		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
		2543	=item $client->ext_event ($type, %msg)
		2544
		2545	Sends an ext event to the client.
		2546
		2547	=cut
		2548
		2549	sub cf::client::ext_event($$%) {
		2550	my ($self, $type, %msg) = @_;
		2551
		2552	return unless $self->extcmd;
		2553
		2554	$msg{msgtype} = "event_$type";
		2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2556	}
1902		2557
1903	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1904		2559
1905	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2561	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2563
1909	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2565	become reliable at some point in the future.
1911		2566
1912	=cut	2567	=cut
1913		2568
1914	sub cf::client::query {	2569	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2578	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2580
1926	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
1928	}	2585	}
1929		2586
1930	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
1931	on_reply => sub {	2593	on_reply => sub {
1932	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
1933		2595
1934	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
1935	# get handled first	2597	# get handled first
1936	my $queue = delete $ns->{query_queue}	2598	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2599	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2600
1939	(shift @$queue)->[1]->($msg);	2601	(shift @$queue)->[1]->($msg);
		2602	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2603
1941	push @{ $ns->{query_queue} }, @$queue;	2604	push @{ $ns->{query_queue} }, @$queue;
1942		2605
1943	if (@{ $ns->{query_queue} } == @$queue) {	2606	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2607	if (@$queue) {
…		…
1946	} else {	2609	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2611	}
1949	}	2612	}
1950	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
1951	);	2632	);
1952		2633
1953	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
1954		2635
1955	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2683
2003	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
2004		2685
2005	=pod	2686	=pod
2006		2687
2007	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2008		2689
2009	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
2010	cf::object::player player	2694	cf::object::player
2011	cf::player peaceful	2695	player
2012	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2013		2702
2014	=cut	2703	=cut
2015		2704
2016	for (	2705	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2018	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2021	) {	2711	) {
2022	no strict 'refs';	2712	no strict 'refs';
…		…
2093	=back	2783	=back
2094		2784
2095	=cut	2785	=cut
2096		2786
2097	#############################################################################	2787	#############################################################################
		2788	# the server's init and main functions
2098		2789
2099	=head2 EXTENSION DATABASE SUPPORT	2790	sub load_facedata($) {
		2791	my ($path) = @_;
2100		2792
2101	Crossfire maintains a very simple database for extension use. It can	2793	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2794
2105	The parameter C<$family> should best start with the name of the extension	2795	my $facedata;
2106	using it, it should be unique.	2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
2107		2798
2108	=over 4	2799	$facedata = Coro::Storable::thaw $facedata;
2109		2800
2110	=item $hashref = cf::db_get $family	2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2803
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key
2117
2118	Returns a single value from the database
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}	2804	{
		2805	my $faces = $facedata->{faceinfo};
2148		2806
2149	my $pid;	2807	while (my ($face, $info) = each %$faces) {
		2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
		2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2150		2813
2151	sub db_save() {	2814	cf::cede_to_tick;
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2815	}
2197	);
2198	}
2199		2816
2200	#############################################################################	2817	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2818	next unless $info->{smooth};
		2819	my $idx = cf::face::find $face
		2820	or next;
		2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
		2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2824	} else {
		2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2826	}
		2827
		2828	cf::cede_to_tick;
		2829	}
		2830	}
		2831
		2832	{
		2833	my $anims = $facedata->{animinfo};
		2834
		2835	while (my ($anim, $info) = each %$anims) {
		2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871	}
		2872
		2873	1
		2874	}
		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
		2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
		2906	sub reload_resources {
		2907	warn "reloading resource files...\n";
		2908
		2909	reload_regions;
		2910	reload_facedata;
		2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
		2916	}
		2917
		2918	sub init {
		2919	reload_resources;
		2920	}
2202		2921
2203	sub cfg_load {	2922	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2924	or return;
2206		2925
2207	local $/;	2926	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2209		2928
…		…
2223		2942
2224	sub main {	2943	sub main {
2225	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2946	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2947	(async {
2228	async { Event::one_event };	2948	Event::one_event;
		2949	})->prio (Coro::PRIO_MAX);
2229	};	2950	};
2230		2951
2231	cfg_load;	2952	cfg_load;
2232	db_load;	2953	db_init;
2233	load_extensions;	2954	load_extensions;
		2955
		2956	$TICK_WATCHER->start;
2234	Event::loop;	2957	Event::loop;
2235	}	2958	}
2236		2959
2237	#############################################################################	2960	#############################################################################
2238	# initialisation and cleanup	2961	# initialisation and cleanup
2239		2962
2240	# install some emergency cleanup handlers	2963	# install some emergency cleanup handlers
2241	BEGIN {	2964	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2965	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2966	Event->signal (
		2967	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2968	data => WF_AUTOCANCEL,
2245	signal => $signal,	2969	signal => $signal,
		2970	prio => 0,
2246	cb => sub {	2971	cb => sub {
2247	cf::cleanup "SIG$signal";	2972	cf::cleanup "SIG$signal";
2248	},	2973	},
2249	);	2974	);
2250	}	2975	}
2251	}	2976	}
2252		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
		3014	}
		3015
2253	sub emergency_save() {	3016	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2255		3018
2256	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2257		3020
2258	cf::sync_job {	3021	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3022	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3023	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3024	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3025	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3026	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3027	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3028	$pl->valid or next;
2266	$pl->save;	3029	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3035	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3036	$map->valid or next;
2274	$map->save;	3037	$map->save;
2275	}	3038	}
2276	warn "end emergency map save\n";	3039	warn "end emergency map save\n";
		3040
		3041	warn "begin emergency database checkpoint\n";
		3042	BDB::db_env_txn_checkpoint $DB_ENV;
		3043	warn "end emergency database checkpoint\n";
2277	};	3044	};
2278		3045
2279	warn "leave emergency perl save\n";	3046	warn "leave emergency perl save\n";
2280	}	3047	}
2281		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2282	sub reload() {	3056	sub do_reload_perl() {
2283	# can/must only be called in main	3057	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3059	warn "can only reload from main coroutine";
2286	return;	3060	return;
2287	}	3061	}
2288		3062
2289	warn "reloading...";	3063	warn "reloading...";
2290		3064
2291	warn "freezing server";	3065	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2294		3071
2295	warn "sync database to disk";	3072	warn "syncing database to disk";
2296	cf::db_sync;	3073	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3074
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3075	# if anything goes wrong in here, we should simply crash as we already saved
2301		3076
2302	warn "cancel all watchers";	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3080	}
2306		3081
		3082	warn "flushing outstanding aio requests";
		3083	for (;;) {
		3084	BDB::flush;
		3085	IO::AIO::flush;
		3086	Coro::cede;
		3087	last unless IO::AIO::nreqs || BDB::nreqs;
		3088	warn "iterate...";
		3089	}
		3090
		3091	++$RELOAD;
		3092
2307	warn "cancel all extension coros";	3093	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3095	%EXT_CORO = ();
2310		3096
2311	warn "remove commands";	3097	warn "removing commands";
2312	%COMMAND = ();	3098	%COMMAND = ();
2313		3099
2314	warn "remove ext commands";	3100	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2316		3103
2317	warn "unload/nuke all extensions";	3104	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3106	warn "... unloading $pkg";
2320		3107
2321	if (my $cb = $pkg->can ("unload")) {	3108	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3109	eval {
2323	$cb->($pkg);	3110	$cb->($pkg);
2324	1	3111	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3112	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3113	}
2327		3114
		3115	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3116	Symbol::delete_package $pkg;
2329	}	3117	}
2330		3118
2331	warn "unload all perl modules loaded from $LIBDIR";	3119	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3120	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3122
2335	warn "removing <$k>";	3123	warn "... unloading $k";
2336	delete $INC{$k};	3124	delete $INC{$k};
2337		3125
2338	$k =~ s/\.pm$//;	3126	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3127	$k =~ s/\//::/g;
2340		3128
…		…
2343	}	3131	}
2344		3132
2345	Symbol::delete_package $k;	3133	Symbol::delete_package $k;
2346	}	3134	}
2347		3135
2348	warn "get rid of safe::, as good as possible";	3136	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3139
2352	warn "unload cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2354		3143
2355	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3145	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2358		3147
		3148	warn "unload completed, starting to reload now";
		3149
2359	warn "reloading cf.pm";	3150	warn "reloading cf.pm";
2360	require cf;	3151	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3153
2363	warn "load config and database again";	3154	warn "loading config and database again";
2364	cf::cfg_load;	3155	cf::cfg_load;
2365	cf::db_load;
2366		3156
2367	warn "load extensions";	3157	warn "loading extensions";
2368	cf::load_extensions;	3158	cf::load_extensions;
2369		3159
2370	warn "reattach attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3161	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3162	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2374	};	3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2375		3166
2376	if ($@) {	3167	warn "leaving sync_job";
		3168
		3169	1
		3170	} or do {
2377	warn $@;	3171	warn $@;
2378	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2379	exit 1;	3173	exit 1;
2380	}	3174	};
2381		3175
2382	warn "reloaded";	3176	warn "reloaded";
2383	};	3177	};
2384		3178
2385	#############################################################################	3179	our $RELOAD_WATCHER; # used only during reload
2386		3180
2387	unless ($LINK_MAP) {	3181	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
2389		3184
2390	$LINK_MAP->width (41);	3185	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3186	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3187	after => 0,
		3188	data => WF_AUTOCANCEL,
2400	cb => sub {	3189	cb => sub {
2401	$_[0]->w->cancel;	3190	do_reload_perl;
2402		3191	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3192	},
2421		3193	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3194	}
2427		3195
2428	register_command "reload" => sub {	3196	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2430		3198
2431	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3200	$who->message ("reloading server.");
		3201	async { reload_perl };
2435	}	3202	}
2436	};	3203	};
2437		3204
2438	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2439		3206
		3207	my $bug_warning = 0;
		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3233	reentrant => 0,
		3234	parked => 1,
2442	prio => 0,	3235	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3237	data => WF_AUTOCANCEL,
2445	cb => sub {	3238	cb => sub {
		3239	if ($Coro::current != $Coro::main) {
		3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3241	unless ++$bug_warning > 10;
		3242	return;
		3243	}
		3244
		3245	$NOW = $tick_start = Event::time;
		3246
2446	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2447	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2449		3274
2450	$WAIT_FOR_TICK->broadcast;	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3277	Coro::async_pool {
		3278	write_runtime
		3279	or warn "ERROR: unable to write runtime file: $!";
		3280	};
		3281	}
		3282
		3283	# my $AFTER = Event::time;
		3284	# warn $AFTER - $NOW;#d#
		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
2452		3294
2453	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3297
2456	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2458	},	3307	},
2459	);	3308	);
2460		3309
		3310	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3311	BDB::max_poll_time $TICK * 0.1;
2462		3312	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3313	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3314	fd => BDB::poll_fileno,
2465	poll => 'r',	3315	poll => 'r',
2466	prio => 5,	3316	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3317	data => WF_AUTOCANCEL,
2473	after => 0,	3318	cb => \&BDB::poll_cb,
2474	interval => 10,	3319	);
2475	cb => sub {	3320	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3321
2477	write_runtime	3322	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3323	my $status;
		3324	my $current = $Coro::current;
		3325	(
		3326	sub {
		3327	$status = $!;
		3328	$current->ready; undef $current;
		3329	},
		3330	sub {
		3331	Coro::schedule while defined $current;
		3332	$! = $status;
		3333	},
		3334	)
		3335	};
		3336
		3337	unless ($DB_ENV) {
		3338	$DB_ENV = BDB::db_env_create;
		3339
		3340	cf::sync_job {
		3341	eval {
		3342	BDB::db_env_open
		3343	$DB_ENV,
		3344	$BDBDIR,
		3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3347	0666;
		3348
		3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3350
		3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3352	$DB_ENV->set_lk_detect;
		3353	};
		3354
		3355	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3356	};
2480	},	3357	}
2481	);	3358	}
		3359
		3360	{
		3361	IO::AIO::min_parallel 8;
		3362
		3363	undef $Coro::AIO::WATCHER;
		3364	IO::AIO::max_poll_time $TICK * 0.1;
		3365	$AIO_POLL_WATCHER = Event->io (
		3366	reentrant => 0,
		3367	data => WF_AUTOCANCEL,
		3368	fd => IO::AIO::poll_fileno,
		3369	poll => 'r',
		3370	prio => 6,
		3371	cb => \&IO::AIO::poll_cb,
		3372	);
		3373	}
		3374
		3375	my $_log_backtrace;
		3376
		3377	sub _log_backtrace {
		3378	my ($msg, @addr) = @_;
		3379
		3380	$msg =~ s/\n//;
		3381
		3382	# limit the # of concurrent backtraces
		3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
		3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
		3410	}
		3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
2482		3415
2483	END { cf::emergency_save }	3416	END { cf::emergency_save }
2484		3417
2485	1	3418	1
2486		3419

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