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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.330 by elmex, Fri Aug 10 10:35:07 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[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
263	}	381	}
264		382
265	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
266		384
267	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		390
273	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
274		392
275	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
276		394
277	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
280		399
281	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
284	fast or be very important.	403	fast or be very important.
…		…
287		406
288	sub sync_job(&) {	407	sub sync_job(&) {
289	my ($job) = @_;	408	my ($job) = @_;
290		409
291	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
292	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
294		415
295	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
307		428
308	while ($busy) {	429	while ($busy) {
309	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
310	}	431	}
311		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
312	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
313	} else {	441	} else {
314	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
315		443
316	$job->()	444	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
336		464
337	$coro	465	$coro
338	}	466	}
339		467
340	sub write_runtime {	468	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		469
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
344	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
345		474
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		476
350	aio_fsync $fh	477	sub _store_scalar {
351	and return;	478	open my $fh, ">", \my $buf
352		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
353	close $fh	481	close $fh;
354	or return;
355		482
356	aio_rename "$runtime~", $runtime	483	$buf
357	and return;	484	}
358		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
359	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	655	}
361		656
362	=back	657	=back
363		658
364	=cut	659	=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		660
493	#############################################################################	661	#############################################################################
494		662
495	=head2 ATTACHABLE OBJECTS	663	=head2 ATTACHABLE OBJECTS
496		664
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
500		668
501	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	671	Crossfire TRT).
504		672
505	=over 4	673	=over 4
506		674
507	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
508		676
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	791	our @CB_MAP = ();
624		792
625	my %attachment;	793	my %attachment;
626		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
627	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
629		803
630	use sort 'stable';	804	use sort 'stable';
631		805
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
666		840
667	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		845
672	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	847	my $pkg = shift @arg;
674		848
675	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
705	}	879	}
706		880
707	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
708	} else {	882	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	884	}
711		885
712	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
713	}	887	}
714		888
…		…
716	if (ref $_[0]) {	890	if (ref $_[0]) {
717	_object_attach @_;	891	_object_attach @_;
718	} else {	892	} else {
719	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
720	}	894	}
		895	_recalc_want;
721	};	896	};
722		897
723	# all those should be optimised	898	# all those should be optimised
724	sub cf::attachable::detach {	899	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
729	reattach ($obj);	904	reattach ($obj);
730	} else {	905	} else {
731	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
732	}	907	}
		908	_recalc_want;
733	};	909	};
734		910
735	sub cf::attachable::attached {	911	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
737		913
…		…
752	";	928	";
753	die if $@;	929	die if $@;
754	}	930	}
755		931
756	our $override;	932	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		934
759	sub override {	935	sub override {
760	$override = 1;	936	$override = 1;
761	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
762	}	938	}
763		939
764	sub do_invoke {	940	sub do_invoke {
765	my $event = shift;	941	my $event = shift;
766	my $callbacks = shift;	942	my $callbacks = shift;
767		943
768	@invoke_results = ();	944	@INVOKE_RESULTS = ();
769		945
770	local $override;	946	local $override;
771		947
772	for (@$callbacks) {	948	for (@$callbacks) {
773	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
790		966
791	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
792		968
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		972
797	=back	973	=back
798		974
799	=cut	975	=cut
800		976
801	#############################################################################	977	#############################################################################
802	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
803		990
804	sub reattach {	991	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		996
808	my $registry = $obj->registry;	997	my $registry = $obj->registry;
809		998
810	@$registry = ();	999	@$registry = ();
811		1000
…		…
858	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
859		1048
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1053	close $fh;
865		1054
866	if (@$objs) {	1055	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1061	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
874	}	1063	}
875	} else {	1064	} else {
876	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
908	or return;	1097	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1099	}
911		1100
912	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1103	return ($data, $av);
915	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
916		1111
917	#############################################################################	1112	#############################################################################
918	# command handling &c	1113	# command handling &c
919		1114
920	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1129	}
935		1130
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1132
938	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
939		1138
940	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
941	called.	1140	called.
942		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
943	=cut	1153	=cut
944		1154
945	sub register_extcmd {	1155	sub register_extcmd {
946	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
947		1157
948	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
949	}	1165	}
950		1166
951	cf::player->attach (	1167	cf::player->attach (
952	on_command => sub {	1168	on_command => sub {
953	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1178	cf::override;
963	},	1179	},
964	on_extcmd => sub {	1180	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
966		1182
967	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1184
969	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
972	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
973	}	1195	if $reply;
974	}	1196	}
975	} else {	1197	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1199	}
978		1200
979	cf::override;	1201	cf::override;
980	},	1202	},
981	);	1203	);
982		1204
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 {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
1011	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1210	next unless -r $path;
1013	eval {	1211
1014	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
1015	1	1269	}
1016	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
1017	}	1275	};
1018	}	1276	}
1019		1277
1020	#############################################################################	1278	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1279
1023	*cf::mapsupport::on_clean = sub {	1280	=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		1281
1036	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
1037		1283
1038	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
1039		1285
…		…
1052	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1053		1299
1054	=cut	1300	=cut
1055		1301
1056	sub playerdir($) {	1302	sub playerdir($) {
1057	cf::localdir	1303	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1305	}
1063		1306
1064	sub path($) {	1307	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1309
1067	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
1068	}	1311	}
1069		1312
1070	sub find_active($) {	1313	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
1075		1318
1076	sub exists($) {	1319	sub exists($) {
1077	my ($login) = @_;	1320	my ($login) = @_;
1078		1321
1079	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
1081	}	1324	}
1082		1325
1083	sub find($) {	1326	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1328	my $login = $_[0];
1086		1329
1087	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
1088		1331
1089	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
1090	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
1091	or return;	1341	or return;
1092	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
1093	}	1343	}
1094	}	1344	}
…		…
1122	$cf::PLAYER{$login} = $self;	1372	$cf::PLAYER{$login} = $self;
1123		1373
1124	$self	1374	$self
1125	}	1375	}
1126		1376
		1377	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1378
		1379	=cut
		1380
		1381	sub send_msg {
		1382	my $ns = shift->ns
		1383	or return;
		1384	$ns->send_msg (@_);
		1385	}
		1386
1127	=item $pl->quit_character	1387	=item $pl->quit_character
1128		1388
1129	Nukes the player without looking back. If logged in, the connection will	1389	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1390	be destroyed. May block for a long time.
1131		1391
1132	=cut	1392	=cut
1133		1393
1134	sub quit_character {	1394	sub quit_character {
1135	my ($pl) = @_;	1395	my ($pl) = @_;
		1396
		1397	my $name = $pl->ob->name;
1136		1398
1137	$pl->{deny_save} = 1;	1399	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1400	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1401
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1407	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1408	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1409	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1410	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1411	$pl->destroy;
		1412
		1413	my $prefix = qr<^~\Q$name\E/>;
		1414
		1415	# nuke player maps
		1416	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1417
1150	IO::AIO::aio_rmtree $temp;	1418	IO::AIO::aio_rmtree $temp;
		1419	}
		1420
		1421	=item $pl->kick
		1422
		1423	Kicks a player out of the game. This destroys the connection.
		1424
		1425	=cut
		1426
		1427	sub kick {
		1428	my ($pl, $kicker) = @_;
		1429
		1430	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1431	$pl->killer ("kicked");
		1432	$pl->ns->destroy;
1151	}	1433	}
1152		1434
1153	=item cf::player::list_logins	1435	=item cf::player::list_logins
1154		1436
1155	Returns am arrayref of all valid playernames in the system, can take a	1437	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1438	while and may block, so not sync_job-capable, ever.
1157		1439
1158	=cut	1440	=cut
1159		1441
1160	sub list_logins {	1442	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1443	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1444	or return [];
1163		1445
1164	my @logins;	1446	my @logins;
1165		1447
1166	for my $login (@$dirs) {	1448	for my $login (@$dirs) {
…		…
1175	\@logins	1457	\@logins
1176	}	1458	}
1177		1459
1178	=item $player->maps	1460	=item $player->maps
1179		1461
1180	Returns an arrayref of cf::path's of all maps that are private for this	1462	Returns an arrayref of map paths that are private for this
1181	player. May block.	1463	player. May block.
1182		1464
1183	=cut	1465	=cut
1184		1466
1185	sub maps($) {	1467	sub maps($) {
1186	my ($pl) = @_;	1468	my ($pl) = @_;
		1469
		1470	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1471
1188	my $files = aio_readdir playerdir $pl	1472	my $files = aio_readdir playerdir $pl
1189	or return;	1473	or return;
1190		1474
1191	my @paths;	1475	my @paths;
…		…
1193	for (@$files) {	1477	for (@$files) {
1194	utf8::decode $_;	1478	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1479	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1480	next unless /^$PATH_SEP/o;
1197		1481
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1482	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1483	}
1200		1484
1201	\@paths	1485	\@paths
1202	}	1486	}
1203		1487
		1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1489
		1490	Expand crossfire pod fragments into protocol xml.
		1491
		1492	=cut
		1493
		1494	sub expand_cfpod {
		1495	((my $self), (local $_)) = @_;
		1496
		1497	# escape & and <
		1498	s/&/&amp;/g;
		1499	s/(?<![BIUGH])</&lt;/g;
		1500
		1501	# this is buggy, it needs to properly take care of nested <'s
		1502
		1503	1 while
		1504	# replace B<>, I<>, U<> etc.
		1505	s/B<([^\>]*)>/<b>$1<\/b>/
		1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1508	# replace G<male|female> tags
		1509	|| s{G<([^>|]*)\|([^>]*)>}{
		1510	$self->gender ? $2 : $1
		1511	}ge
		1512	# replace H<hint text>
		1513	|| s{H<([^\>]*)>}
		1514	{
		1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1517	"")
		1518	[$self->{hintmode}]
		1519	}ge;
		1520
		1521	# create single paragraphs (very hackish)
		1522	s/(?<=\S)\n(?=\w)/ /g;
		1523
		1524	# compress some whitespace
		1525	s/\s+\n/\n/g; # ws line-ends
		1526	s/\n\n+/\n/g; # double lines
		1527	s/^\n+//; # beginning lines
		1528	s/\n+$//; # ending lines
		1529
		1530	$_
		1531	}
		1532
		1533	sub hintmode {
		1534	$_[0]{hintmode} = $_[1] if @_ > 1;
		1535	$_[0]{hintmode}
		1536	}
		1537
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1538	=item $player->ext_reply ($msgid, @msg)
1205		1539
1206	Sends an ext reply to the player.	1540	Sends an ext reply to the player.
1207		1541
1208	=cut	1542	=cut
1209		1543
1210	sub ext_reply($$$%) {	1544	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1545	my ($self, $id, @msg) = @_;
1212		1546
1213	$msg{msgid} = $id;	1547	if ($self->ns->extcmd == 2) {
1214		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1215	$self->send ("ext " . cf::to_json \%msg);	1549	} elsif ($self->ns->extcmd == 1) {
		1550	#TODO: version 1, remove
		1551	unshift @msg, msgtype => "reply", msgid => $id;
		1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1553	}
1216	}	1554	}
1217		1555
1218	package cf;	1556	=item $player->ext_msg ($type, @msg)
		1557
		1558	Sends an ext event to the client.
		1559
		1560	=cut
		1561
		1562	sub ext_msg($$@) {
		1563	my ($self, $type, @msg) = @_;
		1564
		1565	$self->ns->ext_msg ($type, @msg);
		1566	}
		1567
		1568	=head3 cf::region
		1569
		1570	=over 4
		1571
		1572	=cut
		1573
		1574	package cf::region;
		1575
		1576	=item cf::region::find_by_path $path
		1577
		1578	Tries to decuce the likely region for a map knowing only its path.
		1579
		1580	=cut
		1581
		1582	sub find_by_path($) {
		1583	my ($path) = @_;
		1584
		1585	my ($match, $specificity);
		1586
		1587	for my $region (list) {
		1588	if ($region->{match} && $path =~ $region->{match}) {
		1589	($match, $specificity) = ($region, $region->specificity)
		1590	if $region->specificity > $specificity;
		1591	}
		1592	}
		1593
		1594	$match
		1595	}
1219		1596
1220	=back	1597	=back
1221
1222		1598
1223	=head3 cf::map	1599	=head3 cf::map
1224		1600
1225	=over 4	1601	=over 4
1226		1602
…		…
1229	package cf::map;	1605	package cf::map;
1230		1606
1231	use Fcntl;	1607	use Fcntl;
1232	use Coro::AIO;	1608	use Coro::AIO;
1233		1609
		1610	use overload
		1611	'""' => \&as_string,
		1612	fallback => 1;
		1613
1234	our $MAX_RESET = 3600;	1614	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1615	our $DEFAULT_RESET = 3000;
1236		1616
1237	sub generate_random_map {	1617	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1618	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1619	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1620	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1624	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1625	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1626	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1627	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1628	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1629	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1630	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1631	(cf::region::find $rmp->{region}), $rmp->{custom}
		1632	)
		1633	}
		1634
		1635	=item cf::map->register ($regex, $prio)
		1636
		1637	Register a handler for the map path matching the given regex at the
		1638	givne priority (higher is better, built-in handlers have priority 0, the
		1639	default).
		1640
		1641	=cut
		1642
		1643	sub register {
		1644	my (undef, $regex, $prio) = @_;
		1645	my $pkg = caller;
		1646
		1647	no strict;
		1648	push @{"$pkg\::ISA"}, __PACKAGE__;
		1649
		1650	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1651	}
		1652
		1653	# also paths starting with '/'
		1654	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1655
		1656	sub thawer_merge {
		1657	my ($self, $merge) = @_;
		1658
		1659	# we have to keep some variables in memory intact
		1660	local $self->{path};
		1661	local $self->{load_path};
		1662
		1663	$self->SUPER::thawer_merge ($merge);
		1664	}
		1665
		1666	sub normalise {
		1667	my ($path, $base) = @_;
		1668
		1669	$path = "$path"; # make sure its a string
		1670
		1671	$path =~ s/\.map$//;
		1672
		1673	# map plan:
		1674	#
		1675	# /! non-realised random map exit (special hack!)
		1676	# {... are special paths that are not being touched
		1677	# ?xxx/... are special absolute paths
		1678	# ?random/... random maps
		1679	# /... normal maps
		1680	# ~user/... per-player map of a specific user
		1681
		1682	$path =~ s/$PATH_SEP/\//go;
		1683
		1684	# treat it as relative path if it starts with
		1685	# something that looks reasonable
		1686	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1687	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1688
		1689	$base =~ s{[^/]+/?$}{};
		1690	$path = "$base/$path";
		1691	}
		1692
		1693	for ($path) {
		1694	redo if s{//}{/};
		1695	redo if s{/\.?/}{/};
		1696	redo if s{/[^/]+/\.\./}{/};
		1697	}
		1698
		1699	$path
		1700	}
		1701
		1702	sub new_from_path {
		1703	my (undef, $path, $base) = @_;
		1704
		1705	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1706
		1707	$path = normalise $path, $base;
		1708
		1709	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1710	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1711	my $self = bless cf::map::new, $pkg;
		1712	$self->{path} = $path; $self->path ($path);
		1713	$self->init; # pass $1 etc.
		1714	return $self;
		1715	}
		1716	}
		1717
		1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1719	()
		1720	}
		1721
		1722	sub init {
		1723	my ($self) = @_;
		1724
		1725	$self
		1726	}
		1727
		1728	sub as_string {
		1729	my ($self) = @_;
		1730
		1731	"$self->{path}"
		1732	}
		1733
		1734	# the displayed name, this is a one way mapping
		1735	sub visible_name {
		1736	&as_string
		1737	}
		1738
		1739	# the original (read-only) location
		1740	sub load_path {
		1741	my ($self) = @_;
		1742
		1743	"$MAPDIR/$self->{path}.map"
		1744	}
		1745
		1746	# the temporary/swap location
		1747	sub save_path {
		1748	my ($self) = @_;
		1749
		1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1751	"$TMPDIR/$path.map"
		1752	}
		1753
		1754	# the unique path, undef == no special unique path
		1755	sub uniq_path {
		1756	my ($self) = @_;
		1757
		1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1759	"$UNIQUEDIR/$path"
1254	}	1760	}
1255		1761
1256	# and all this just because we cannot iterate over	1762	# and all this just because we cannot iterate over
1257	# all maps in C++...	1763	# all maps in C++...
1258	sub change_all_map_light {	1764	sub change_all_map_light {
…		…
1260		1766
1261	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
1263	}	1769	}
1264		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
		1777	}
		1778
		1779	sub unlink_save {
		1780	my ($self) = @_;
		1781
		1782	utf8::encode (my $save = $self->save_path);
		1783	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1784	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1785	}
		1786
1265	sub try_load_header($) {	1787	sub load_header_from($) {
1266	my ($path) = @_;	1788	my ($self, $path) = @_;
1267		1789
1268	utf8::encode $path;	1790	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1791	#aio_open $path, O_RDONLY, 0
		1792	# or return;
		1793
		1794	$self->_load_header ($path)
1270	or return;	1795	or return;
1271		1796
1272	my $map = cf::map::new	1797	$self->{load_path} = $path;
		1798
		1799	1
		1800	}
		1801
		1802	sub load_header_orig {
		1803	my ($self) = @_;
		1804
		1805	$self->load_header_from ($self->load_path)
		1806	}
		1807
		1808	sub load_header_temp {
		1809	my ($self) = @_;
		1810
		1811	$self->load_header_from ($self->save_path)
		1812	}
		1813
		1814	sub prepare_temp {
		1815	my ($self) = @_;
		1816
		1817	$self->last_access ((delete $self->{last_access})
		1818	|| $cf::RUNTIME); #d#
		1819	# safety
		1820	$self->{instantiate_time} = $cf::RUNTIME
		1821	if $self->{instantiate_time} > $cf::RUNTIME;
		1822	}
		1823
		1824	sub prepare_orig {
		1825	my ($self) = @_;
		1826
		1827	$self->{load_original} = 1;
		1828	$self->{instantiate_time} = $cf::RUNTIME;
		1829	$self->last_access ($cf::RUNTIME);
		1830	$self->instantiate;
		1831	}
		1832
		1833	sub load_header {
		1834	my ($self) = @_;
		1835
		1836	if ($self->load_header_temp) {
		1837	$self->prepare_temp;
		1838	} else {
		1839	$self->load_header_orig
1273	or return;	1840	or return;
		1841	$self->prepare_orig;
		1842	}
1274		1843
1275	# for better error messages only, will be overwritten	1844	$self->{deny_reset} = 1
1276	$map->path ($path);	1845	if $self->no_reset;
1277		1846
1278	$map->load_header ($path)	1847	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1848	unless $self->default_region;
1280		1849
1281	$map->{load_path} = $path;	1850	1
1282
1283	$map
1284	}	1851	}
1285		1852
1286	sub find;	1853	sub find;
1287	sub find {	1854	sub find {
1288	my ($path, $origin) = @_;	1855	my ($path, $origin) = @_;
1289		1856
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1857	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1858
1295	cf::lock_wait "map_find:$key";	1859	cf::lock_wait "map_find:$path";
1296		1860
1297	$cf::MAP{$key} || do {	1861	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1862	my $guard = cf::lock_acquire "map_find:$path";
1299		1863	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;	1864	or return;
1319		1865
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;	1866	$map->{last_save} = $cf::RUNTIME;
1332		1867
1333	Coro::cede;	1868	$map->load_header
		1869	or return;
1334		1870
1335	if ($map->should_reset) {	1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1872	# doing this can freeze the server in a sync job, obviously
		1873	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1874	$map->reset;
1337	undef $guard;	1875	undef $guard;
1338	$map = find $path	1876	return find $path;
1339	or return;
1340	}	1877	}
1341		1878
1342	$cf::MAP{$key} = $map	1879	$cf::MAP{$path} = $map
1343	}	1880	}
1344	}	1881	}
		1882
		1883	sub pre_load { }
		1884	sub post_load { }
1345		1885
1346	sub load {	1886	sub load {
1347	my ($self) = @_;	1887	my ($self) = @_;
1348		1888
		1889	local $self->{deny_reset} = 1; # loading can take a long time
		1890
1349	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1894	my $guard = cf::lock_acquire "map_load:$path";
1351		1895
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1897
1354	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1355		1899
1356	$self->alloc;	1900	$self->alloc;
		1901
		1902	$self->pre_load;
		1903	Coro::cede;
		1904
1357	$self->load_objects ($self->{load_path}, 1)	1905	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1906	or return;
1359		1907
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1909	if delete $self->{load_original};
1362		1910
1363	if (my $uniq = $path->uniq_path) {	1911	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1912	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1913	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1914	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1915	$self->_load_objects ($uniq, 0);
1368	}	1916	}
1369	}	1917	}
1370		1918
1371	Coro::cede;	1919	Coro::cede;
1372
1373	# now do the right thing for maps	1920	# now do the right thing for maps
1374	$self->link_multipart_objects;	1921	$self->link_multipart_objects;
1375
1376	if ($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)	1922	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1923	unless $self->difficulty;
		1924	Coro::cede;
		1925
		1926	unless ($self->{deny_activate}) {
		1927	$self->decay_objects;
		1928	$self->fix_auto_apply;
		1929	$self->update_buttons;
		1930	Coro::cede;
		1931	$self->set_darkness_map;
		1932	Coro::cede;
1386	$self->activate;	1933	$self->activate;
1387	}	1934	}
1388		1935
1389	Coro::cede;	1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
1390		1938
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1939	$self->in_memory (cf::MAP_IN_MEMORY);
		1940	}
		1941
		1942	$self->post_load;
		1943	}
		1944
		1945	sub customise_for {
		1946	my ($self, $ob) = @_;
		1947
		1948	return find "~" . $ob->name . "/" . $self->{path}
		1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
		1953
		1954	$self
1392	}	1955	}
1393		1956
1394	# find and load all maps in the 3x3 area around a map	1957	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1958	sub load_diag {
1396	my ($map) = @_;	1959	my ($map) = @_;
…		…
1426		1989
1427	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1428	}	1991	}
1429		1992
1430	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1994	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1995
1446	sub find_async {	1996	sub find_async {
1447	my ($path, $origin) = @_;	1997	my ($path, $origin) = @_;
1448		1998
1449	$path = new cf::path $path, $origin && $origin->path;	1999	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		2000
1452	if (my $map = $cf::MAP{$key}) {	2001	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	2003	}
1455		2004
1456	$MAP_PREFETCH{$key} = $path;	2005	undef $MAP_PREFETCH{$path};
		2006	$MAP_PREFETCHER ||= cf::async {
		2007	while (%MAP_PREFETCH) {
		2008	for my $path (keys %MAP_PREFETCH) {
		2009	if (my $map = find $path) {
		2010	$map->load;
		2011	}
		2012
		2013	delete $MAP_PREFETCH{$path};
		2014	}
		2015	}
		2016	undef $MAP_PREFETCHER;
		2017	};
1457	$MAP_PREFETCHER->ready;	2018	$MAP_PREFETCHER->prio (6);
1458		2019
1459	()	2020	()
1460	}	2021	}
1461		2022
1462	sub save {	2023	sub save {
…		…
1466		2027
1467	$self->{last_save} = $cf::RUNTIME;	2028	$self->{last_save} = $cf::RUNTIME;
1468		2029
1469	return unless $self->dirty;	2030	return unless $self->dirty;
1470		2031
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2032	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2033	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2034
1474	$self->{load_path} = $save;	2035	$self->{load_path} = $save;
1475		2036
1476	return if $self->{deny_save};	2037	return if $self->{deny_save};
1477		2038
…		…
1480	cf::async {	2041	cf::async {
1481	$_->contr->save for $self->players;	2042	$_->contr->save for $self->players;
1482	};	2043	};
1483		2044
1484	if ($uniq) {	2045	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2048	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2049	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2050	}
1490	}	2051	}
1491		2052
1492	sub swap_out {	2053	sub swap_out {
1493	my ($self) = @_;	2054	my ($self) = @_;
…		…
1507		2068
1508	sub reset_at {	2069	sub reset_at {
1509	my ($self) = @_;	2070	my ($self) = @_;
1510		2071
1511	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1514		2074
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2077
…		…
1522	my ($self) = @_;	2082	my ($self) = @_;
1523		2083
1524	$self->reset_at <= $cf::RUNTIME	2084	$self->reset_at <= $cf::RUNTIME
1525	}	2085	}
1526		2086
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	2087	sub reset {
1549	my ($self) = @_;	2088	my ($self) = @_;
1550		2089
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2091
1553	return if $self->players;	2092	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2093
1556	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
		2095
		2096	$self->in_memory (cf::MAP_SWAPPED);
		2097
		2098	# need to save uniques path
		2099	unless ($self->{deny_save}) {
		2100	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2101
		2102	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2103	if $uniq;
		2104	}
1557		2105
1558	delete $cf::MAP{$self->path};	2106	delete $cf::MAP{$self->path};
		2107
		2108	$self->clear;
1559		2109
1560	$_->clear_links_to ($self) for values %cf::MAP;	2110	$_->clear_links_to ($self) for values %cf::MAP;
1561		2111
1562	$self->unlink_save;	2112	$self->unlink_save;
1563	$self->destroy;	2113	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2116	my $nuke_counter = "aaaa";
1567		2117
1568	sub nuke {	2118	sub nuke {
1569	my ($self) = @_;	2119	my ($self) = @_;
1570		2120
		2121	delete $cf::MAP{$self->path};
		2122
		2123	$self->unlink_save;
		2124
		2125	bless $self, "cf::map";
		2126	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2127	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2128	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2130
		2131	$cf::MAP{$self->path} = $self;
		2132
1574	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1575	}	2134	}
1576		2135
1577	sub customise_for {	2136	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2137
1580	if ($map->per_player) {	2138	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
1582	}	2144	[
		2145	map {
		2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
		2152	}
1583		2153
1584	$map	2154	=item $maps = cf::map::random_maps
		2155
		2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
		2158
		2159	=cut
		2160
		2161	sub random_maps() {
		2162	[
		2163	map {
		2164	utf8::decode $_;
		2165	/\.map$/
		2166	? normalise "?random/$_"
		2167	: ()
		2168	} @{ aio_readdir $RANDOMDIR or [] }
		2169	]
1585	}	2170	}
1586		2171
1587	=item cf::map::unique_maps	2172	=item cf::map::unique_maps
1588		2173
1589	Returns an arrayref of cf::path's of all shared maps that have	2174	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2175	instantiated unique items. May block.
1591		2176
1592	=cut	2177	=cut
1593		2178
1594	sub unique_maps() {	2179	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2180	[
1596	or return;	2181	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2182	utf8::decode $_;
1602	next if /\.pst$/;	2183	/\.map$/
1603	next unless /^$PATH_SEP/o;	2184	? normalise $_
1604		2185	: ()
1605	push @paths, new cf::path $_;	2186	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2187	]
1607
1608	\@paths
1609	}	2188	}
1610		2189
1611	package cf;	2190	package cf;
1612		2191
1613	=back	2192	=back
…		…
1659		2238
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2240
1662	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1664	} else {	2244	} else {
		2245	my $pl = $self->contr;
		2246
		2247	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2248	my $dialog = $pl->{npc_dialog};
		2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2250
		2251	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1667	}	2255	}
		2256	}
		2257
		2258	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2259
		2260	=cut
		2261
		2262	sub cf::object::send_msg {
		2263	my $pl = shift->contr
		2264	or return;
		2265	$pl->send_msg (@_);
1668	}	2266	}
1669		2267
1670	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1671		2269
1672	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1685		2283
1686	=item $player_object->enter_link	2284	=item $player_object->enter_link
1687		2285
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2286	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2287
1690	The player should be reaosnably safe there for short amounts of time. You	2288	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.	2289	I<MUST> call C<leave_link> as soon as possible, though.
1692		2290
		2291	Will never block.
		2292
1693	=item $player_object->leave_link ($map, $x, $y)	2293	=item $player_object->leave_link ($map, $x, $y)
1694		2294
1695	Moves the player out of the specila link map onto the given map. If the	2295	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2296	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2297	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2298	fails, to the emergency map position.
1699		2299
1700	Might block.	2300	Might block.
1701		2301
1702	=cut	2302	=cut
		2303
		2304	sub link_map {
		2305	unless ($LINK_MAP) {
		2306	$LINK_MAP = cf::map::find "{link}"
		2307	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2308	$LINK_MAP->load;
		2309	}
		2310
		2311	$LINK_MAP
		2312	}
1703		2313
1704	sub cf::object::player::enter_link {	2314	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2315	my ($self) = @_;
1706		2316
1707	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1708		2318
1709	return if $self->map == $LINK_MAP;	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2320
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1713		2323
1714	$self->enter_map ($LINK_MAP, 20, 20);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2325	}
1716		2326
1717	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1719		2331
1720	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1721		2333
1722	unless ($map) {	2334	unless ($map) {
1723	# restore original map position	2335	# restore original map position
…		…
1741	$map->load;	2353	$map->load;
1742	$map->load_diag;	2354	$map->load_diag;
1743		2355
1744	return unless $self->contr->active;	2356	return unless $self->contr->active;
1745	$self->activate_recursive;	2357	$self->activate_recursive;
		2358
		2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1747	}	2361	}
1748		2362
1749	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2364
1753	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1757	};	2369	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2370
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	2371	=cut
		2372
		2373	our $GOTOGEN;
1784		2374
1785	sub cf::object::player::goto {	2375	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2376	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2377
1788	$path = new cf::path $path;	2378	# do generation counting so two concurrent goto's will be executed in-order
		2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2380
1790	$self->enter_link;	2381	$self->enter_link;
1791		2382
1792	(async {	2383	(async {
		2384	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
1795		2389	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2390	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2392	}
1800		2393
		2394	$map
		2395	};
		2396
		2397	if ($@) {
		2398	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2399	LOG llevError | logBacktrace, Carp::longmess $@;
		2400	}
		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1802	})->prio (1);	2408	})->prio (1);
1803	}	2409	}
1804		2410
1805	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1806		2412
…		…
1808		2414
1809	sub parse_random_map_params {	2415	sub parse_random_map_params {
1810	my ($spec) = @_;	2416	my ($spec) = @_;
1811		2417
1812	my $rmp = { # defaults	2418	my $rmp = { # defaults
1813	xsize => 10,	2419	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2420	ysize => (cf::rndm 15, 40),
		2421	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2422	#layout => string,
1815	};	2423	};
1816		2424
1817	for (split /\n/, $spec) {	2425	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2426	my ($k, $v) = split /\s+/, $_, 2;
1819		2427
…		…
1823	$rmp	2431	$rmp
1824	}	2432	}
1825		2433
1826	sub prepare_random_map {	2434	sub prepare_random_map {
1827	my ($exit) = @_;	2435	my ($exit) = @_;
		2436
		2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2438
1829	# all this does is basically replace the /! path by	2439	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2440	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2441	# that depends on the exit object
1832		2442
1833	my $rmp = parse_random_map_params $exit->msg;	2443	my $rmp = parse_random_map_params $exit->msg;
1834		2444
1835	if ($exit->map) {	2445	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2446	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2447	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2448	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2449	$rmp->{origin_y} = $exit->y;
1840	}	2450	}
1841		2451
1842	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1843		2453
1844	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
		2456	my $meta = "$RANDOMDIR/$md5.meta";
1846		2457
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2459	aio_write $fh, 0, (length $data), $data, 0;
		2460	undef $fh;
		2461	aio_rename "$meta~", $meta;
1849		2462
1850	$exit->slaying ("?random/$md5");	2463	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2464	$exit->msg (undef);
1852	}	2465	}
1853	}	2466	}
…		…
1855	sub cf::object::player::enter_exit {	2468	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2469	my ($self, $exit) = @_;
1857		2470
1858	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1859		2472
		2473	if ($exit->slaying eq "/!") {
		2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2475	# the problem is that $exit might not survive long enough
		2476	# so it needs to be done right now, right here
		2477	cf::sync_job { prepare_random_map $exit };
		2478	}
		2479
		2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2481	my $hp = $exit->stats->hp;
		2482	my $sp = $exit->stats->sp;
		2483
1860	$self->enter_link;	2484	$self->enter_link;
		2485
		2486	# if exit is damned, update players death & WoR home-position
		2487	$self->contr->savebed ($slaying, $hp, $sp)
		2488	if $exit->flag (FLAG_DAMNED);
1861		2489
1862	(async {	2490	(async {
1863	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2492	unless (eval {
1865	prepare_random_map $exit	2493	$self->goto ($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		2494
1871	1;	2495	1;
1872	}) {	2496	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2498	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2499	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2501
1878	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2503	$self->leave_link;
1880	}	2504	}
1881	})->prio (1);	2505	})->prio (1);
…		…
1894		2518
1895	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1897		2521
1898	utf8::encode $text;	2522	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2524	}
1901		2525
		2526	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2527
		2528	Send a drawinfo or msg packet to the client, formatting the msg for the
		2529	client if neccessary. C<$type> should be a string identifying the type of
		2530	the message, with C<log> being the default. If C<$color> is negative, suppress
		2531	the message unless the client supports the msg packet.
		2532
		2533	=cut
		2534
		2535	sub cf::client::send_msg {
		2536	my ($self, $channel, $msg, $color, @extra) = @_;
		2537
		2538	$msg = $self->pl->expand_cfpod ($msg);
		2539
		2540	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2541
		2542	if (ref $channel) {
		2543	# send meta info to client, if not yet sent
		2544	unless (exists $self->{channel}{$channel->{id}}) {
		2545	$self->{channel}{$channel->{id}} = $channel;
		2546	$self->ext_msg (channel_info => $channel);
		2547	}
		2548
		2549	$channel = $channel->{id};
		2550	}
		2551
		2552	return unless @extra || length $msg;
		2553
		2554	if ($self->can_msg) {
		2555	# default colour, mask it out
		2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2557	if $color & cf::NDI_DEF;
		2558
		2559	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2561	} else {
		2562	if ($color >= 0) {
		2563	# replace some tags by gcfclient-compatible ones
		2564	for ($msg) {
		2565	1 while
		2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2571	}
		2572
		2573	$color &= cf::NDI_COLOR_MASK;
		2574
		2575	utf8::encode $msg;
		2576
		2577	if (0 && $msg =~ /\[/) {
		2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	my $extcmd = $self->extcmd;
		2597
		2598	if ($extcmd == 2) {
		2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2600	} elsif ($extcmd == 1) { # TODO: remove
		2601	push @msg, msgtype => "event_$type";
		2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2603	}
		2604	}
1902		2605
1903	=item $success = $client->query ($flags, "text", \&cb)	2606	=item $success = $client->query ($flags, "text", \&cb)
1904		2607
1905	Queues a query to the client, calling the given callback with	2608	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>,	2609	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>.	2610	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2611
1909	Queries can fail, so check the return code. Or don't, as queries will become	2612	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2613	become reliable at some point in the future.
1911		2614
1912	=cut	2615	=cut
1913		2616
1914	sub cf::client::query {	2617	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2618	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2626	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2627	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2628
1926	$self->send_packet ($self->{query_queue}[0][0])	2629	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2630	if @{ $self->{query_queue} } == 1;
		2631
		2632	1
1928	}	2633	}
1929		2634
1930	cf::client->attach (	2635	cf::client->attach (
		2636	on_connect => sub {
		2637	my ($ns) = @_;
		2638
		2639	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2640	},
1931	on_reply => sub {	2641	on_reply => sub {
1932	my ($ns, $msg) = @_;	2642	my ($ns, $msg) = @_;
1933		2643
1934	# this weird shuffling is so that direct followup queries	2644	# this weird shuffling is so that direct followup queries
1935	# get handled first	2645	# get handled first
1936	my $queue = delete $ns->{query_queue}	2646	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2647	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2648
1939	(shift @$queue)->[1]->($msg);	2649	(shift @$queue)->[1]->($msg);
		2650	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2651
1941	push @{ $ns->{query_queue} }, @$queue;	2652	push @{ $ns->{query_queue} }, @$queue;
1942		2653
1943	if (@{ $ns->{query_queue} } == @$queue) {	2654	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2655	if (@$queue) {
…		…
1946	} else {	2657	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2658	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2659	}
1949	}	2660	}
1950	},	2661	},
		2662	on_exticmd => sub {
		2663	my ($ns, $buf) = @_;
		2664
		2665	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2666
		2667	if (ref $msg) {
		2668	my ($type, $reply, @payload) =
		2669	"ARRAY" eq ref $msg
		2670	? @$msg
		2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2672
		2673	if (my $cb = $EXTICMD{$type}) {
		2674	my @reply = $cb->($ns, @payload);
		2675
		2676	$ns->ext_reply ($reply, @reply)
		2677	if $reply;
		2678	}
		2679	} else {
		2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2681	}
		2682
		2683	cf::override;
		2684	},
1951	);	2685	);
1952		2686
1953	=item $client->async (\&cb)	2687	=item $client->async (\&cb)
1954		2688
1955	Create a new coroutine, running the specified callback. The coroutine will	2689	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2730	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2731	our $safe_hole = new Safe::Hole;
1998		2732
1999	$SIG{FPE} = 'IGNORE';	2733	$SIG{FPE} = 'IGNORE';
2000		2734
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2735	$safe->permit_only (Opcode::opset qw(
		2736	:base_core :base_mem :base_orig :base_math
		2737	grepstart grepwhile mapstart mapwhile
		2738	sort time
		2739	));
2002		2740
2003	# here we export the classes and methods available to script code	2741	# here we export the classes and methods available to script code
2004		2742
2005	=pod	2743	=pod
2006		2744
2007	The following fucntions and emthods are available within a safe environment:	2745	The following functions and methods are available within a safe environment:
2008		2746
2009	cf::object contr pay_amount pay_player map	2747	cf::object
		2748	contr pay_amount pay_player map x y force_find force_add
		2749	insert remove name archname title slaying race
		2750
2010	cf::object::player player	2751	cf::object::player
2011	cf::player peaceful	2752	player
2012	cf::map trigger	2753
		2754	cf::player
		2755	peaceful
		2756
		2757	cf::map
		2758	trigger
2013		2759
2014	=cut	2760	=cut
2015		2761
2016	for (	2762	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2764	insert remove inv name archname title slaying race)],
2018	["cf::object::player" => qw(player)],	2765	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2766	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2767	["cf::map" => qw(trigger)],
2021	) {	2768	) {
2022	no strict 'refs';	2769	no strict 'refs';
…		…
2093	=back	2840	=back
2094		2841
2095	=cut	2842	=cut
2096		2843
2097	#############################################################################	2844	#############################################################################
		2845	# the server's init and main functions
2098		2846
2099	=head2 EXTENSION DATABASE SUPPORT	2847	sub load_facedata($) {
		2848	my ($path) = @_;
2100		2849
2101	Crossfire maintains a very simple database for extension use. It can	2850	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2851
2105	The parameter C<$family> should best start with the name of the extension	2852	my $facedata;
2106	using it, it should be unique.	2853	0 < aio_load $path, $facedata
		2854	or die "$path: $!";
2107		2855
2108	=over 4	2856	$facedata = Coro::Storable::thaw $facedata;
2109		2857
2110	=item $hashref = cf::db_get $family	2858	$facedata->{version} == 2
		2859	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2860
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	}	2861	{
		2862	my $faces = $facedata->{faceinfo};
2148		2863
2149	my $pid;	2864	while (my ($face, $info) = each %$faces) {
		2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
		2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2150		2870
2151	sub db_save() {	2871	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]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2872	}
2197	);
2198	}
2199		2873
2200	#############################################################################	2874	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
		2884
		2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904	my $enc = JSON::XS->new->utf8->canonical;
		2905
		2906	my $soundconf = delete $res->{"res/sound.conf"};
		2907
		2908	while (my ($name, $info) = each %$res) {
		2909	my $meta = $enc->encode ({
		2910	name => $name,
		2911	%{ $info->{meta} || {} },
		2912	});
		2913
		2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2915
		2916	if ($info->{type} & 1) {
		2917	# prepend meta info
		2918
		2919	my $data = pack "(w/a*)*", $meta, $info->{data};
		2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2921
		2922	cf::face::set_data $idx, 0, $data, $chk;
		2923	} else {
		2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2925	}
		2926
		2927	cf::face::set_type $idx, $info->{type};
		2928
		2929	cf::cede_to_tick;
		2930	}
		2931
		2932	if ($soundconf) {
		2933	$soundconf = $enc->decode (delete $soundconf->{data});
		2934
		2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2936	my $sound = $soundconf->{compat}[$_]
		2937	or next;
		2938
		2939	my $face = cf::face::find "sound/$sound->[1]";
		2940	cf::sound::set $sound->[0] => $face;
		2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2942	}
		2943
		2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2945	my $face = cf::face::find "sound/$v";
		2946	cf::sound::set $k => $face;
		2947	}
		2948	}
		2949	}
		2950
		2951	1
		2952	}
		2953
		2954	register_exticmd fx_want => sub {
		2955	my ($ns, $want) = @_;
		2956
		2957	while (my ($k, $v) = each %$want) {
		2958	$ns->fx_want ($k, $v);
		2959	}
		2960	};
		2961
		2962	sub reload_regions {
		2963	load_resource_file "$MAPDIR/regions"
		2964	or die "unable to load regions file\n";
		2965
		2966	for (cf::region::list) {
		2967	$_->{match} = qr/$_->{match}/
		2968	if exists $_->{match};
		2969	}
		2970	}
		2971
		2972	sub reload_facedata {
		2973	load_facedata "$DATADIR/facedata"
		2974	or die "unable to load facedata\n";
		2975	}
		2976
		2977	sub reload_archetypes {
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	#d# NEED to laod twice to resolve forward references
		2981	# this really needs to be done in an extra post-pass
		2982	# (which needs to be synchronous, so solve it differently)
		2983	load_resource_file "$DATADIR/archetypes"
		2984	or die "unable to load archetypes\n";
		2985	}
		2986
		2987	sub reload_treasures {
		2988	load_resource_file "$DATADIR/treasures"
		2989	or die "unable to load treasurelists\n";
		2990	}
		2991
		2992	sub reload_resources {
		2993	warn "reloading resource files...\n";
		2994
		2995	reload_regions;
		2996	reload_facedata;
		2997	#reload_archetypes;#d#
		2998	reload_archetypes;
		2999	reload_treasures;
		3000
		3001	warn "finished reloading resource files\n";
		3002	}
		3003
		3004	sub init {
		3005	reload_resources;
		3006	}
2202		3007
2203	sub cfg_load {	3008	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3009	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3010	or return;
2206		3011
2207	local $/;	3012	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3013	*CFG = YAML::Syck::Load <$fh>;
2209		3014
…		…
2223		3028
2224	sub main {	3029	sub main {
2225	# we must not ever block the main coroutine	3030	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3031	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3032	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3033	(async {
2228	async { Event::one_event };	3034	Event::one_event;
		3035	})->prio (Coro::PRIO_MAX);
2229	};	3036	};
2230		3037
2231	cfg_load;	3038	cfg_load;
2232	db_load;	3039	db_init;
2233	load_extensions;	3040	load_extensions;
		3041
		3042	$TICK_WATCHER->start;
2234	Event::loop;	3043	Event::loop;
2235	}	3044	}
2236		3045
2237	#############################################################################	3046	#############################################################################
2238	# initialisation and cleanup	3047	# initialisation and cleanup
2239		3048
2240	# install some emergency cleanup handlers	3049	# install some emergency cleanup handlers
2241	BEGIN {	3050	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3051	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3052	Event->signal (
		3053	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3054	data => WF_AUTOCANCEL,
2245	signal => $signal,	3055	signal => $signal,
		3056	prio => 0,
2246	cb => sub {	3057	cb => sub {
2247	cf::cleanup "SIG$signal";	3058	cf::cleanup "SIG$signal";
2248	},	3059	},
2249	);	3060	);
2250	}	3061	}
2251	}	3062	}
2252		3063
		3064	sub write_runtime {
		3065	my $runtime = "$LOCALDIR/runtime";
		3066
		3067	# first touch the runtime file to show we are still running:
		3068	# the fsync below can take a very very long time.
		3069
		3070	IO::AIO::aio_utime $runtime, undef, undef;
		3071
		3072	my $guard = cf::lock_acquire "write_runtime";
		3073
		3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3075	or return;
		3076
		3077	my $value = $cf::RUNTIME + 90 + 10;
		3078	# 10 is the runtime save interval, for a monotonic clock
		3079	# 60 allows for the watchdog to kill the server.
		3080
		3081	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3082	and return;
		3083
		3084	# always fsync - this file is important
		3085	aio_fsync $fh
		3086	and return;
		3087
		3088	# touch it again to show we are up-to-date
		3089	aio_utime $fh, undef, undef;
		3090
		3091	close $fh
		3092	or return;
		3093
		3094	aio_rename "$runtime~", $runtime
		3095	and return;
		3096
		3097	warn "runtime file written.\n";
		3098
		3099	1
		3100	}
		3101
2253	sub emergency_save() {	3102	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3103	my $freeze_guard = cf::freeze_mainloop;
2255		3104
2256	warn "enter emergency perl save\n";	3105	warn "enter emergency perl save\n";
2257		3106
2258	cf::sync_job {	3107	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3108	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3109	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3110	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3111	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3112	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3113	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3114	$pl->valid or next;
2266	$pl->save;	3115	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3121	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3122	$map->valid or next;
2274	$map->save;	3123	$map->save;
2275	}	3124	}
2276	warn "end emergency map save\n";	3125	warn "end emergency map save\n";
		3126
		3127	warn "begin emergency database checkpoint\n";
		3128	BDB::db_env_txn_checkpoint $DB_ENV;
		3129	warn "end emergency database checkpoint\n";
2277	};	3130	};
2278		3131
2279	warn "leave emergency perl save\n";	3132	warn "leave emergency perl save\n";
2280	}	3133	}
2281		3134
		3135	sub post_cleanup {
		3136	my ($make_core) = @_;
		3137
		3138	warn Carp::longmess "post_cleanup backtrace"
		3139	if $make_core;
		3140	}
		3141
2282	sub reload() {	3142	sub do_reload_perl() {
2283	# can/must only be called in main	3143	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3144	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3145	warn "can only reload from main coroutine";
2286	return;	3146	return;
2287	}	3147	}
2288		3148
2289	warn "reloading...";	3149	warn "reloading...";
2290		3150
2291	warn "freezing server";	3151	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3152
		3153	cf::sync_job {
		3154	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3155	cf::emergency_save;
		3156	cf::write_runtime; # external watchdog should not bark
2294		3157
2295	warn "sync database to disk";	3158	warn "syncing database to disk";
2296	cf::db_sync;	3159	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3160
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3161	# if anything goes wrong in here, we should simply crash as we already saved
2301		3162
2302	warn "cancel all watchers";	3163	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3164	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3165	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3166	}
2306		3167
		3168	warn "flushing outstanding aio requests";
		3169	for (;;) {
		3170	BDB::flush;
		3171	IO::AIO::flush;
		3172	Coro::cede;
		3173	last unless IO::AIO::nreqs || BDB::nreqs;
		3174	warn "iterate...";
		3175	}
		3176
		3177	++$RELOAD;
		3178
2307	warn "cancel all extension coros";	3179	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3180	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3181	%EXT_CORO = ();
2310		3182
2311	warn "remove commands";	3183	warn "removing commands";
2312	%COMMAND = ();	3184	%COMMAND = ();
2313		3185
2314	warn "remove ext commands";	3186	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3187	%EXTCMD = ();
		3188	%EXTICMD = ();
2316		3189
2317	warn "unload/nuke all extensions";	3190	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3191	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	3192	warn "... unloading $pkg";
2320		3193
2321	if (my $cb = $pkg->can ("unload")) {	3194	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3195	eval {
…		…
2327		3200
2328	warn "... nuking $pkg";	3201	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	3202	Symbol::delete_package $pkg;
2330	}	3203	}
2331		3204
2332	warn "unload all perl modules loaded from $LIBDIR";	3205	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	3206	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3207	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		3208
2336	warn "removing <$k>";	3209	warn "... unloading $k";
2337	delete $INC{$k};	3210	delete $INC{$k};
2338		3211
2339	$k =~ s/\.pm$//;	3212	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	3213	$k =~ s/\//::/g;
2341		3214
…		…
2344	}	3217	}
2345		3218
2346	Symbol::delete_package $k;	3219	Symbol::delete_package $k;
2347	}	3220	}
2348		3221
2349	warn "get rid of safe::, as good as possible";	3222	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3223	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3225
2353	warn "unload cf.pm \"a bit\"";	3226	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3227	delete $INC{"cf.pm"};
		3228	delete $INC{"cf/pod.pm"};
2355		3229
2356	# don't, removes xs symbols, too,	3230	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3231	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3232	#Symbol::delete_package __PACKAGE__;
2359		3233
		3234	warn "unload completed, starting to reload now";
		3235
2360	warn "reloading cf.pm";	3236	warn "reloading cf.pm";
2361	require cf;	3237	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		3239
2364	warn "load config and database again";	3240	warn "loading config and database again";
2365	cf::cfg_load;	3241	cf::cfg_load;
2366	cf::db_load;
2367		3242
2368	warn "load extensions";	3243	warn "loading extensions";
2369	cf::load_extensions;	3244	cf::load_extensions;
2370		3245
2371	warn "reattach attachments to objects/players";	3246	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3247	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3248	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3249	reattach $_ for values %MAP;
2375	};	3250	warn "reattaching attachments to players";
		3251	reattach $_ for values %PLAYER;
2376		3252
2377	if ($@) {	3253	warn "leaving sync_job";
		3254
		3255	1
		3256	} or do {
2378	warn $@;	3257	warn $@;
2379	warn "error while reloading, exiting.";	3258	warn "error while reloading, exiting.";
2380	exit 1;	3259	exit 1;
2381	}	3260	};
2382		3261
2383	warn "reloaded";	3262	warn "reloaded";
2384	};	3263	};
2385		3264
2386	#############################################################################	3265	our $RELOAD_WATCHER; # used only during reload
2387		3266
2388	unless ($LINK_MAP) {	3267	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3268	# doing reload synchronously and two reloads happen back-to-back,
		3269	# coro crashes during coro_state_free->destroy here.
2390		3270
2391	$LINK_MAP->width (41);	3271	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	3272	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	3273	after => 0,
		3274	data => WF_AUTOCANCEL,
2401	cb => sub {	3275	cb => sub {
2402	$_[0]->w->cancel;	3276	do_reload_perl;
2403		3277	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	3278	},
2422		3279	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3280	}
2428		3281
2429	register_command "reload" => sub {	3282	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3283	my ($who, $arg) = @_;
2431		3284
2432	if ($who->flag (FLAG_WIZ)) {	3285	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3286	$who->message ("reloading server.");
		3287	async { reload_perl };
2436	}	3288	}
2437	};	3289	};
2438		3290
2439	unshift @INC, $LIBDIR;	3291	unshift @INC, $LIBDIR;
2440		3292
		3293	my $bug_warning = 0;
		3294
		3295	our @WAIT_FOR_TICK;
		3296	our @WAIT_FOR_TICK_BEGIN;
		3297
		3298	sub wait_for_tick {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	sub wait_for_tick_begin {
		3308	return unless $TICK_WATCHER->is_active;
		3309	return if $Coro::current == $Coro::main;
		3310
		3311	my $signal = new Coro::Signal;
		3312	push @WAIT_FOR_TICK_BEGIN, $signal;
		3313	$signal->wait;
		3314	}
		3315
		3316	my $min = 1e6;#d#
		3317	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3318	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3319	reentrant => 0,
		3320	parked => 1,
2443	prio => 0,	3321	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3322	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3323	data => WF_AUTOCANCEL,
2446	cb => sub {	3324	cb => sub {
		3325	if ($Coro::current != $Coro::main) {
		3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3327	unless ++$bug_warning > 10;
		3328	return;
		3329	}
		3330
		3331	$NOW = $tick_start = Event::time;
		3332
2447	cf::server_tick; # one server iteration	3333	cf::server_tick; # one server iteration
		3334
		3335	0 && sync_job {#d#
		3336	for(1..10) {
		3337	my $t = Event::time;
		3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3339	or die;
		3340
		3341	$map->width (50);
		3342	$map->height (50);
		3343	$map->alloc;
		3344	$map->_load_objects ("/tmp/x.map", 1);
		3345	my $t = Event::time - $t;
		3346
		3347	#next unless $t < 0.0013;#d#
		3348	if ($t < $min) {
		3349	$min = $t;
		3350	}
		3351	$avg = $avg * 0.99 + $t * 0.01;
		3352	}
		3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3354	exit 0;
		3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3356	};
		3357
2448	$RUNTIME += $TICK;	3358	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3359	$NEXT_TICK += $TICK;
2450		3360
2451	$WAIT_FOR_TICK->broadcast;	3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3363	Coro::async_pool {
		3364	write_runtime
		3365	or warn "ERROR: unable to write runtime file: $!";
		3366	};
		3367	}
		3368
		3369	# my $AFTER = Event::time;
		3370	# warn $AFTER - $NOW;#d#
		3371
		3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3373	$sig->send;
		3374	}
		3375	while (my $sig = shift @WAIT_FOR_TICK) {
		3376	$sig->send;
		3377	}
		3378
		3379	$NOW = Event::time;
2453		3380
2454	# if we are delayed by four ticks or more, skip them all	3381	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3383
2457	$TICK_WATCHER->at ($NEXT_TICK);	3384	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3385	$TICK_WATCHER->start;
		3386
		3387	$LOAD = ($NOW - $tick_start) / $TICK;
		3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3389
		3390	_post_tick;
		3391
		3392
2459	},	3393	},
2460	);	3394	);
2461		3395
		3396	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	3397	BDB::max_poll_time $TICK * 0.1;
2463		3398	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3399	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3400	fd => BDB::poll_fileno,
2466	poll => 'r',	3401	poll => 'r',
2467	prio => 5,	3402	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3403	data => WF_AUTOCANCEL,
2474	after => 0,	3404	cb => \&BDB::poll_cb,
2475	interval => 10,	3405	);
2476	cb => sub {	3406	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3407
2478	write_runtime	3408	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3409	my $status;
		3410	my $current = $Coro::current;
		3411	(
		3412	sub {
		3413	$status = $!;
		3414	$current->ready; undef $current;
		3415	},
		3416	sub {
		3417	Coro::schedule while defined $current;
		3418	$! = $status;
		3419	},
		3420	)
		3421	};
		3422
		3423	unless ($DB_ENV) {
		3424	$DB_ENV = BDB::db_env_create;
		3425
		3426	cf::sync_job {
		3427	eval {
		3428	BDB::db_env_open
		3429	$DB_ENV,
		3430	$BDBDIR,
		3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3433	0666;
		3434
		3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3436
		3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3438	$DB_ENV->set_lk_detect;
		3439	};
		3440
		3441	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3442	};
2481	},	3443	}
2482	);	3444	}
		3445
		3446	{
		3447	IO::AIO::min_parallel 8;
		3448
		3449	undef $Coro::AIO::WATCHER;
		3450	IO::AIO::max_poll_time $TICK * 0.1;
		3451	$AIO_POLL_WATCHER = Event->io (
		3452	reentrant => 0,
		3453	data => WF_AUTOCANCEL,
		3454	fd => IO::AIO::poll_fileno,
		3455	poll => 'r',
		3456	prio => 6,
		3457	cb => \&IO::AIO::poll_cb,
		3458	);
		3459	}
		3460
		3461	my $_log_backtrace;
		3462
		3463	sub _log_backtrace {
		3464	my ($msg, @addr) = @_;
		3465
		3466	$msg =~ s/\n//;
		3467
		3468	# limit the # of concurrent backtraces
		3469	if ($_log_backtrace < 2) {
		3470	++$_log_backtrace;
		3471	async {
		3472	my @bt = fork_call {
		3473	@addr = map { sprintf "%x", $_ } @addr;
		3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3476	or die "addr2line: $!";
		3477
		3478	my @funcs;
		3479	my @res = <$fh>;
		3480	chomp for @res;
		3481	while (@res) {
		3482	my ($func, $line) = splice @res, 0, 2, ();
		3483	push @funcs, "[$func] $line";
		3484	}
		3485
		3486	@funcs
		3487	};
		3488
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] $_\n" for @bt;
		3491	--$_log_backtrace;
		3492	};
		3493	} else {
		3494	LOG llevInfo, "[ABT] $msg\n";
		3495	LOG llevInfo, "[ABT] [suppressed]\n";
		3496	}
		3497	}
		3498
		3499	# load additional modules
		3500	use cf::pod;
2483		3501
2484	END { cf::emergency_save }	3502	END { cf::emergency_save }
2485		3503
2486	1	3504	1
2487		3505

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