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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	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(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		94
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
63	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 $tick_start; # for load detecting purposes
64		101
65	binmode STDOUT;	102	binmode STDOUT;
66	binmode STDERR;	103	binmode STDERR;
67		104
68	# read virtual server time, if available	105	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
73	}	110	}
74		111
75	mkdir cf::localdir;	112	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		114
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
84		118
85	#############################################################################	119	#############################################################################
86		120
87	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
88		122
…		…
95	=item $cf::RUNTIME	129	=item $cf::RUNTIME
96		130
97	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
98	every server tick.	132	every server tick.
99		133
100	=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
101		137
102	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		142
105	=item $cf::NOW	143	=item $cf::NOW
106		144
107	The time of the last (current) server tick.	145	The time of the last (current) server tick.
108		146
109	=item $cf::TICK	147	=item $cf::TICK
110		148
111	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.
112		160
113	=item %cf::CFG	161	=item %cf::CFG
114		162
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	164	from wherever your confdir points to.
117		165
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		167
120	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
121	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
122	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.
123	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.
124		177
125	=back	178	=back
126		179
127	=cut	180	=cut
128		181
129	BEGIN {	182	BEGIN {
130	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	184	my $msg = join "", @_;
132	utf8::encode $msg;
133		185
134	$msg .= "\n"	186	$msg .= "\n"
135	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
136		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
137	LOG llevError, $msg;	192	LOG llevError, $msg;
138	};	193	};
139	}	194	}
140		195
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		203
148	# 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
149	# within the Safe compartment.	205	# within the Safe compartment.
150	for my $pkg (qw(	206	for my $pkg (qw(
151	cf::global cf::attachable	207	cf::global cf::attachable
…		…
159	}	215	}
160		216
161	$Event::DIED = sub {	217	$Event::DIED = sub {
162	warn "error in event callback: @_";	218	warn "error in event callback: @_";
163	};	219	};
		220
		221	#############################################################################
164		222
165	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
166		224
167	=over 4	225	=over 4
168		226
…		…
187	$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;
188	$d	246	$d
189	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
190	}	248	}
191		249
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
195		251
196	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
197		253
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
206		255
207	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
208		257
209	=cut	258	=cut
210		259
211	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
213	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
215		264
216	=item cf::lock_wait $string	265	=item cf::lock_wait $string
217		266
218	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
219		268
…		…
225	returned.	274	returned.
226		275
227	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
228	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
229		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
230	=cut	283	=cut
231		284
232	our %LOCK;	285	our %LOCK;
233		286
234	sub lock_wait($) {	287	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
255	}	308	}
256	}	309	}
257		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
258	sub freeze_mainloop {	317	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
260		319
261	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
262	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
263	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
264	}	375	}
265		376
266	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
267		378
268	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		384
274	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
275		386
276	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
277		388
278	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
281		393
282	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
285	fast or be very important.	397	fast or be very important.
…		…
288		400
289	sub sync_job(&) {	401	sub sync_job(&) {
290	my ($job) = @_;	402	my ($job) = @_;
291		403
292	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
293	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
295		409
296	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
308		422
309	while ($busy) {	423	while ($busy) {
310	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
311	}	425	}
312		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
313	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
314	} else {	435	} else {
315	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
316		437
317	$job->()	438	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
337		458
338	$coro	459	$coro
339	}	460	}
340		461
341	sub write_runtime {	462	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		463
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	464	Executes the given code block with the given arguments in a seperate
345	or return;	465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
346		468
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	469	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		470
351	aio_fsync $fh	471	sub _store_scalar {
352	and return;	472	open my $fh, ">", \my $buf
353		473	or die "fork_call: cannot open fh-to-buf in child : $!";
		474	Storable::store_fd $_[0], $fh;
354	close $fh	475	close $fh;
355	or return;
356		476
357	aio_rename "$runtime~", $runtime	477	$buf
358	and return;	478	}
359		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
360	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
		638	}
		639
		640	=item cf::datalog type => key => value, ...
		641
		642	Log a datalog packet of the given type with the given key-value pairs.
		643
		644	=cut
		645
		646	sub datalog($@) {
		647	my ($type, %kv) = @_;
		648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	649	}
362		650
363	=back	651	=back
364		652
365	=cut	653	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		654
523	#############################################################################	655	#############################################################################
524		656
525	=head2 ATTACHABLE OBJECTS	657	=head2 ATTACHABLE OBJECTS
526		658
…		…
528	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
530		662
531	In the following description, CLASS can be any of C<global>, C<object>	663	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	665	Crossfire TRT).
534		666
535	=over 4	667	=over 4
536		668
537	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
538		670
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	784	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	785	our @CB_MAP = ();
654		786
655	my %attachment;	787	my %attachment;
656		788
		789	sub cf::attachable::thawer_merge {
		790	# simply override everything except _meta
		791	local $_[0]{_meta};
		792	%{$_[0]} = %{$_[1]};
		793	}
		794
657	sub _attach_cb($$$$) {	795	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	796	my ($registry, $event, $prio, $cb) = @_;
659		797
660	use sort 'stable';	798	use sort 'stable';
661		799
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
696		834
697	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		839
702	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	841	my $pkg = shift @arg;
704		842
705	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
735	}	873	}
736		874
737	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
738	} else {	876	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	878	}
741		879
742	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
743	}	881	}
744		882
…		…
746	if (ref $_[0]) {	884	if (ref $_[0]) {
747	_object_attach @_;	885	_object_attach @_;
748	} else {	886	} else {
749	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
750	}	888	}
		889	_recalc_want;
751	};	890	};
752		891
753	# all those should be optimised	892	# all those should be optimised
754	sub cf::attachable::detach {	893	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
759	reattach ($obj);	898	reattach ($obj);
760	} else {	899	} else {
761	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
762	}	901	}
		902	_recalc_want;
763	};	903	};
764		904
765	sub cf::attachable::attached {	905	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
767		907
…		…
782	";	922	";
783	die if $@;	923	die if $@;
784	}	924	}
785		925
786	our $override;	926	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		928
789	sub override {	929	sub override {
790	$override = 1;	930	$override = 1;
791	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
792	}	932	}
793		933
794	sub do_invoke {	934	sub do_invoke {
795	my $event = shift;	935	my $event = shift;
796	my $callbacks = shift;	936	my $callbacks = shift;
797		937
798	@invoke_results = ();	938	@INVOKE_RESULTS = ();
799		939
800	local $override;	940	local $override;
801		941
802	for (@$callbacks) {	942	for (@$callbacks) {
803	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
820		960
821	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
822		962
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	964	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		966
827	=back	967	=back
828		968
829	=cut	969	=cut
830		970
831	#############################################################################	971	#############################################################################
832	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
833		984
834	sub reattach {	985	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	987	my ($obj) = @_;
		988
		989	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		990
838	my $registry = $obj->registry;	991	my $registry = $obj->registry;
839		992
840	@$registry = ();	993	@$registry = ();
841		994
…		…
888	$filename, length $$rdata, scalar @$objs;	1041	$filename, length $$rdata, scalar @$objs;
889		1042
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1044	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	1046	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	1047	close $fh;
895		1048
896	if (@$objs) {	1049	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1050	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1051	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1052	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1053	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	1054	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1055	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1056	aio_rename "$filename.pst~", "$filename.pst";
904	}	1057	}
905	} else {	1058	} else {
906	aio_unlink "$filename.pst";	1059	aio_unlink "$filename.pst";
…		…
938	or return;	1091	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1093	}
941		1094
942	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1097	return ($data, $av);
945	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
946		1105
947	#############################################################################	1106	#############################################################################
948	# command handling &c	1107	# command handling &c
949		1108
950	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1123	}
965		1124
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1126
968	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
969		1132
970	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
971	called.	1134	called.
972		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
973	=cut	1147	=cut
974		1148
975	sub register_extcmd {	1149	sub register_extcmd {
976	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
977		1151
978	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
979	}	1159	}
980		1160
981	cf::player->attach (	1161	cf::player->attach (
982	on_command => sub {	1162	on_command => sub {
983	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1172	cf::override;
993	},	1173	},
994	on_extcmd => sub {	1174	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
996		1176
997	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1178
999	if (ref $msg) {	1179	if (ref $msg) {
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
1002	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1008		1188
1009	cf::override;	1189	cf::override;
1010	},	1190	},
1011	);	1191	);
1012		1192
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
1041	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1198	next unless -r $path;
1043	eval {	1199
1044	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
1045	1	1257	}
1046	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
1047	}	1263	};
1048	}	1264	}
1049		1265
1050	#############################################################################	1266	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1267
1053	*cf::mapsupport::on_clean = sub {	1268	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1269
1066	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
1067		1271
1068	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
1069		1273
…		…
1082	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
1083		1287
1084	=cut	1288	=cut
1085		1289
1086	sub playerdir($) {	1290	sub playerdir($) {
1087	cf::localdir	1291	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1293	}
1093		1294
1094	sub path($) {	1295	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1297
1097	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
1098	}	1299	}
1099		1300
1100	sub find_active($) {	1301	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
1105		1306
1106	sub exists($) {	1307	sub exists($) {
1107	my ($login) = @_;	1308	my ($login) = @_;
1108		1309
1109	$cf::PLAYER{$login}	1310	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1311	or cf::sync_job { !aio_stat path $login }
1111	}	1312	}
1112		1313
1113	sub find($) {	1314	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1315	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1316	my $login = $_[0];
1116		1317
1117	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
1118		1319
1119	$cf::PLAYER{$_[0]} || do {	1320	$cf::PLAYER{$_[0]} || do {
		1321	# rename old playerfiles to new ones
		1322	#TODO: remove when no longer required
		1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1326	aio_unlink +(playerdir $login) . "/$login.pl";
		1327
1120	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
1121	or return;	1329	or return;
1122	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
1123	}	1331	}
1124	}	1332	}
…		…
1161		1369
1162	=cut	1370	=cut
1163		1371
1164	sub quit_character {	1372	sub quit_character {
1165	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1166		1376
1167	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1378	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1379
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1389	$pl->destroy;
		1390
		1391	my $prefix = qr<^~\Q$name\E/>;
		1392
		1393	# nuke player maps
		1394	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1395
1180	IO::AIO::aio_rmtree $temp;	1396	IO::AIO::aio_rmtree $temp;
		1397	}
		1398
		1399	=item $pl->kick
		1400
		1401	Kicks a player out of the game. This destroys the connection.
		1402
		1403	=cut
		1404
		1405	sub kick {
		1406	my ($pl, $kicker) = @_;
		1407
		1408	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1409	$pl->killer ("kicked");
		1410	$pl->ns->destroy;
1181	}	1411	}
1182		1412
1183	=item cf::player::list_logins	1413	=item cf::player::list_logins
1184		1414
1185	Returns am arrayref of all valid playernames in the system, can take a	1415	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1187		1417
1188	=cut	1418	=cut
1189		1419
1190	sub list_logins {	1420	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1422	or return [];
1193		1423
1194	my @logins;	1424	my @logins;
1195		1425
1196	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1205	\@logins	1435	\@logins
1206	}	1436	}
1207		1437
1208	=item $player->maps	1438	=item $player->maps
1209		1439
1210	Returns an arrayref of cf::path's of all maps that are private for this	1440	Returns an arrayref of map paths that are private for this
1211	player. May block.	1441	player. May block.
1212		1442
1213	=cut	1443	=cut
1214		1444
1215	sub maps($) {	1445	sub maps($) {
1216	my ($pl) = @_;	1446	my ($pl) = @_;
		1447
		1448	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1449
1218	my $files = aio_readdir playerdir $pl	1450	my $files = aio_readdir playerdir $pl
1219	or return;	1451	or return;
1220		1452
1221	my @paths;	1453	my @paths;
…		…
1223	for (@$files) {	1455	for (@$files) {
1224	utf8::decode $_;	1456	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1457	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1458	next unless /^$PATH_SEP/o;
1227		1459
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1460	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1461	}
1230		1462
1231	\@paths	1463	\@paths
1232	}	1464	}
1233		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1235		1517
1236	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1237		1519
1238	=cut	1520	=cut
1239		1521
1240	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1242		1524
1243	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1244		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1527	}
1247		1528
1248	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		1536	my ($self, $type, %msg) = @_;
		1537
		1538	$self->ns->ext_event ($type, %msg);
		1539	}
		1540
		1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1249		1569
1250	=back	1570	=back
1251
1252		1571
1253	=head3 cf::map	1572	=head3 cf::map
1254		1573
1255	=over 4	1574	=over 4
1256		1575
…		…
1259	package cf::map;	1578	package cf::map;
1260		1579
1261	use Fcntl;	1580	use Fcntl;
1262	use Coro::AIO;	1581	use Coro::AIO;
1263		1582
		1583	use overload
		1584	'""' => \&as_string,
		1585	fallback => 1;
		1586
1264	our $MAX_RESET = 3600;	1587	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1588	our $DEFAULT_RESET = 3000;
1266		1589
1267	sub generate_random_map {	1590	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1591	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1592	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1593	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1597	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1598	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1603	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1604	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1605	)
1285	}	1606	}
1286		1607
		1608	=item cf::map->register ($regex, $prio)
		1609
		1610	Register a handler for the map path matching the given regex at the
		1611	givne priority (higher is better, built-in handlers have priority 0, the
		1612	default).
		1613
		1614	=cut
		1615
		1616	sub register {
		1617	my (undef, $regex, $prio) = @_;
		1618	my $pkg = caller;
		1619
		1620	no strict;
		1621	push @{"$pkg\::ISA"}, __PACKAGE__;
		1622
		1623	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1624	}
		1625
		1626	# also paths starting with '/'
		1627	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1628
		1629	sub thawer_merge {
		1630	my ($self, $merge) = @_;
		1631
		1632	# we have to keep some variables in memory intact
		1633	local $self->{path};
		1634	local $self->{load_path};
		1635
		1636	$self->SUPER::thawer_merge ($merge);
		1637	}
		1638
		1639	sub normalise {
		1640	my ($path, $base) = @_;
		1641
		1642	$path = "$path"; # make sure its a string
		1643
		1644	$path =~ s/\.map$//;
		1645
		1646	# map plan:
		1647	#
		1648	# /! non-realised random map exit (special hack!)
		1649	# {... are special paths that are not being touched
		1650	# ?xxx/... are special absolute paths
		1651	# ?random/... random maps
		1652	# /... normal maps
		1653	# ~user/... per-player map of a specific user
		1654
		1655	$path =~ s/$PATH_SEP/\//go;
		1656
		1657	# treat it as relative path if it starts with
		1658	# something that looks reasonable
		1659	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1660	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1661
		1662	$base =~ s{[^/]+/?$}{};
		1663	$path = "$base/$path";
		1664	}
		1665
		1666	for ($path) {
		1667	redo if s{//}{/};
		1668	redo if s{/\.?/}{/};
		1669	redo if s{/[^/]+/\.\./}{/};
		1670	}
		1671
		1672	$path
		1673	}
		1674
		1675	sub new_from_path {
		1676	my (undef, $path, $base) = @_;
		1677
		1678	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1679
		1680	$path = normalise $path, $base;
		1681
		1682	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1683	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1684	my $self = bless cf::map::new, $pkg;
		1685	$self->{path} = $path; $self->path ($path);
		1686	$self->init; # pass $1 etc.
		1687	return $self;
		1688	}
		1689	}
		1690
		1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1692	()
		1693	}
		1694
		1695	sub init {
		1696	my ($self) = @_;
		1697
		1698	$self
		1699	}
		1700
		1701	sub as_string {
		1702	my ($self) = @_;
		1703
		1704	"$self->{path}"
		1705	}
		1706
		1707	# the displayed name, this is a one way mapping
		1708	sub visible_name {
		1709	&as_string
		1710	}
		1711
		1712	# the original (read-only) location
		1713	sub load_path {
		1714	my ($self) = @_;
		1715
		1716	"$MAPDIR/$self->{path}.map"
		1717	}
		1718
		1719	# the temporary/swap location
		1720	sub save_path {
		1721	my ($self) = @_;
		1722
		1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1724	"$TMPDIR/$path.map"
		1725	}
		1726
		1727	# the unique path, undef == no special unique path
		1728	sub uniq_path {
		1729	my ($self) = @_;
		1730
		1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1732	"$UNIQUEDIR/$path"
		1733	}
		1734
1287	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1288	# all maps in C++...	1736	# all maps in C++...
1289	sub change_all_map_light {	1737	sub change_all_map_light {
1290	my ($change) = @_;	1738	my ($change) = @_;
1291		1739
1292	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1294	}	1742	}
1295		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
		1750	}
		1751
		1752	sub unlink_save {
		1753	my ($self) = @_;
		1754
		1755	utf8::encode (my $save = $self->save_path);
		1756	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1757	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1758	}
		1759
1296	sub load_map_header($) {	1760	sub load_header_from($) {
1297	my ($path) = @_;	1761	my ($self, $path) = @_;
1298		1762
1299	utf8::encode $path;	1763	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1764	#aio_open $path, O_RDONLY, 0
		1765	# or return;
		1766
		1767	$self->_load_header ($path)
1301	or return;	1768	or return;
1302		1769
1303	my $map = cf::map::new	1770	$self->{load_path} = $path;
		1771
		1772	1
		1773	}
		1774
		1775	sub load_header_orig {
		1776	my ($self) = @_;
		1777
		1778	$self->load_header_from ($self->load_path)
		1779	}
		1780
		1781	sub load_header_temp {
		1782	my ($self) = @_;
		1783
		1784	$self->load_header_from ($self->save_path)
		1785	}
		1786
		1787	sub prepare_temp {
		1788	my ($self) = @_;
		1789
		1790	$self->last_access ((delete $self->{last_access})
		1791	|| $cf::RUNTIME); #d#
		1792	# safety
		1793	$self->{instantiate_time} = $cf::RUNTIME
		1794	if $self->{instantiate_time} > $cf::RUNTIME;
		1795	}
		1796
		1797	sub prepare_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->{load_original} = 1;
		1801	$self->{instantiate_time} = $cf::RUNTIME;
		1802	$self->last_access ($cf::RUNTIME);
		1803	$self->instantiate;
		1804	}
		1805
		1806	sub load_header {
		1807	my ($self) = @_;
		1808
		1809	if ($self->load_header_temp) {
		1810	$self->prepare_temp;
		1811	} else {
		1812	$self->load_header_orig
1304	or return;	1813	or return;
		1814	$self->prepare_orig;
		1815	}
1305		1816
1306	# for better error messages only, will be overwritten later	1817	$self->{deny_reset} = 1
1307	$map->path ($path);	1818	if $self->no_reset;
1308		1819
1309	$map->load_header ($path)	1820	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1821	unless $self->default_region;
1311		1822
1312	$map->{load_path} = $path;	1823	1
1313
1314	$map
1315	}	1824	}
1316		1825
1317	sub find;	1826	sub find;
1318	sub find {	1827	sub find {
1319	my ($path, $origin) = @_;	1828	my ($path, $origin) = @_;
1320		1829
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1830	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1831
1326	cf::lock_wait "map_find:$key";	1832	cf::lock_wait "map_find:$path";
1327		1833
1328	$cf::MAP{$key} || do {	1834	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1835	my $guard = cf::lock_acquire "map_find:$path";
1330		1836	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1837	or return;
1345		1838
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1358		1840
1359	Coro::cede;	1841	$map->load_header
		1842	or return;
1360		1843
1361	if ($map->should_reset) {	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1845	# doing this can freeze the server in a sync job, obviously
		1846	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1847	$map->reset;
1363	undef $guard;	1848	undef $guard;
1364	$map = find $path	1849	return find $path;
1365	or return;
1366	}	1850	}
1367		1851
1368	$cf::MAP{$key} = $map	1852	$cf::MAP{$path} = $map
1369	}	1853	}
1370	}	1854	}
		1855
		1856	sub pre_load { }
		1857	sub post_load { }
1371		1858
1372	sub load {	1859	sub load {
1373	my ($self) = @_;	1860	my ($self) = @_;
1374		1861
		1862	local $self->{deny_reset} = 1; # loading can take a long time
		1863
1375	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1867	my $guard = cf::lock_acquire "map_load:$path";
1377		1868
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1870
1380	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1381		1872
1382	$self->alloc;	1873	$self->alloc;
		1874
		1875	$self->pre_load;
		1876	Coro::cede;
		1877
1383	$self->load_objects ($self->{load_path}, 1)	1878	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1879	or return;
1385		1880
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1882	if delete $self->{load_original};
1388		1883
1389	if (my $uniq = $path->uniq_path) {	1884	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1885	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1886	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1887	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1888	$self->_load_objects ($uniq, 0);
1394	}	1889	}
1395	}	1890	}
1396		1891
1397	Coro::cede;	1892	Coro::cede;
1398
1399	# now do the right thing for maps	1893	# now do the right thing for maps
1400	$self->link_multipart_objects;	1894	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1896	unless $self->difficulty;
		1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1412	$self->activate;	1906	$self->activate;
1413	}	1907	}
1414		1908
1415	Coro::cede;
1416
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
		1913	}
		1914
		1915	sub customise_for {
		1916	my ($self, $ob) = @_;
		1917
		1918	return find "~" . $ob->name . "/" . $self->{path}
		1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
		1924	$self
1418	}	1925	}
1419		1926
1420	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1928	sub load_diag {
1422	my ($map) = @_;	1929	my ($map) = @_;
…		…
1452		1959
1453	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1454	}	1961	}
1455		1962
1456	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1964	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1965
1472	sub find_async {	1966	sub find_async {
1473	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1474		1968
1475	$path = new cf::path $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1970
1478	if (my $map = $cf::MAP{$key}) {	1971	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1973	}
1481		1974
1482	$MAP_PREFETCH{$key} = $path;	1975	undef $MAP_PREFETCH{$path};
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	for my $path (keys %MAP_PREFETCH) {
		1979	if (my $map = find $path) {
		1980	$map->load;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$path};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
		1987	};
1483	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1484		1989
1485	()	1990	()
1486	}	1991	}
1487		1992
1488	sub save {	1993	sub save {
…		…
1492		1997
1493	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1494		1999
1495	return unless $self->dirty;	2000	return unless $self->dirty;
1496		2001
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2004
1500	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1501		2006
1502	return if $self->{deny_save};	2007	return if $self->{deny_save};
1503		2008
…		…
1506	cf::async {	2011	cf::async {
1507	$_->contr->save for $self->players;	2012	$_->contr->save for $self->players;
1508	};	2013	};
1509		2014
1510	if ($uniq) {	2015	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2018	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2020	}
1516	}	2021	}
1517		2022
1518	sub swap_out {	2023	sub swap_out {
1519	my ($self) = @_;	2024	my ($self) = @_;
…		…
1533		2038
1534	sub reset_at {	2039	sub reset_at {
1535	my ($self) = @_;	2040	my ($self) = @_;
1536		2041
1537	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1540		2044
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2047
…		…
1548	my ($self) = @_;	2052	my ($self) = @_;
1549		2053
1550	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1551	}	2055	}
1552		2056
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2057	sub reset {
1575	my ($self) = @_;	2058	my ($self) = @_;
1576		2059
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2061
1579	return if $self->players;	2062	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2063
1582	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1583		2075
1584	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1585		2079
1586	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1587		2081
1588	$self->unlink_save;	2082	$self->unlink_save;
1589	$self->destroy;	2083	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1593		2087
1594	sub nuke {	2088	sub nuke {
1595	my ($self) = @_;	2089	my ($self) = @_;
1596		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1600	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1601	}	2104	}
1602		2105
1603	sub customise_for {	2106	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2107
1606	if ($map->per_player) {	2108	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
1608	}	2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
1609		2123
1610	$map	2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
1611	}	2140	}
1612		2141
1613	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1614		2143
1615	Returns an arrayref of cf::path's of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2145	instantiated unique items. May block.
1617		2146
1618	=cut	2147	=cut
1619		2148
1620	sub unique_maps() {	2149	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1622	or return;	2151	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2152	utf8::decode $_;
1628	next if /\.pst$/;	2153	/\.map$/
1629	next unless /^$PATH_SEP/o;	2154	? normalise $_
1630		2155	: ()
1631	push @paths, new cf::path $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2157	]
1633
1634	\@paths
1635	}	2158	}
1636		2159
1637	package cf;	2160	package cf;
1638		2161
1639	=back	2162	=back
…		…
1685		2208
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2210
1688	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1690	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1693	}	2230	}
1694	}	2231	}
1695		2232
1696	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1697		2234
…		…
1711		2248
1712	=item $player_object->enter_link	2249	=item $player_object->enter_link
1713		2250
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2251	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2252
1716	The player should be reaosnably safe there for short amounts of time. You	2253	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2254	I<MUST> call C<leave_link> as soon as possible, though.
1718		2255
		2256	Will never block.
		2257
1719	=item $player_object->leave_link ($map, $x, $y)	2258	=item $player_object->leave_link ($map, $x, $y)
1720		2259
1721	Moves the player out of the specila link map onto the given map. If the	2260	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2261	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2262	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2263	fails, to the emergency map position.
1725		2264
1726	Might block.	2265	Might block.
1727		2266
1728	=cut	2267	=cut
		2268
		2269	sub link_map {
		2270	unless ($LINK_MAP) {
		2271	$LINK_MAP = cf::map::find "{link}"
		2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2273	$LINK_MAP->load;
		2274	}
		2275
		2276	$LINK_MAP
		2277	}
1729		2278
1730	sub cf::object::player::enter_link {	2279	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2280	my ($self) = @_;
1732		2281
1733	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1734		2283
1735	return if $self->map == $LINK_MAP;	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2285
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1739		2288
1740	$self->enter_map ($LINK_MAP, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2290	}
1742		2291
1743	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1745		2296
1746	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1747		2298
1748	unless ($map) {	2299	unless ($map) {
1749	# restore original map position	2300	# restore original map position
…		…
1767	$map->load;	2318	$map->load;
1768	$map->load_diag;	2319	$map->load_diag;
1769		2320
1770	return unless $self->contr->active;	2321	return unless $self->contr->active;
1771	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1773	}	2326	}
1774		2327
1775	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2329
1779	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1783	};	2334	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2335
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1810		2339
1811	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2342
1814	$path = new cf::path $path;	2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2345
1816	$self->enter_link;	2346	$self->enter_link;
1817		2347
1818	(async {	2348	(async {
		2349	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1821		2354	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1826		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1828	})->prio (1);	2373	})->prio (1);
1829	}	2374	}
1830		2375
1831	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1832		2377
…		…
1834		2379
1835	sub parse_random_map_params {	2380	sub parse_random_map_params {
1836	my ($spec) = @_;	2381	my ($spec) = @_;
1837		2382
1838	my $rmp = { # defaults	2383	my $rmp = { # defaults
1839	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1841	};	2388	};
1842		2389
1843	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1845		2392
…		…
1849	$rmp	2396	$rmp
1850	}	2397	}
1851		2398
1852	sub prepare_random_map {	2399	sub prepare_random_map {
1853	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2403
1855	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2406	# that depends on the exit object
1858		2407
1859	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1860		2409
1861	if ($exit->map) {	2410	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1866	}	2415	}
1867		2416
1868	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1869		2418
1870	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1872		2422
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1875		2427
1876	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2429	$exit->msg (undef);
1878	}	2430	}
1879	}	2431	}
…		…
1881	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1883		2435
1884	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1885		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1886	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1887		2454
1888	(async {	2455	(async {
1889	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2457	unless (eval {
1891	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2459
1897	1;	2460	1;
1898	}) {	2461	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2466
1904	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2468	$self->leave_link;
1906	}	2469	}
1907	})->prio (1);	2470	})->prio (1);
…		…
1920		2483
1921	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1923		2486
1924	utf8::encode $text;	2487	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2489	}
1927		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
		2543	=item $client->ext_event ($type, %msg)
		2544
		2545	Sends an ext event to the client.
		2546
		2547	=cut
		2548
		2549	sub cf::client::ext_event($$%) {
		2550	my ($self, $type, %msg) = @_;
		2551
		2552	return unless $self->extcmd;
		2553
		2554	$msg{msgtype} = "event_$type";
		2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2556	}
1928		2557
1929	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1930		2559
1931	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2561	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2563
1935	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2565	become reliable at some point in the future.
1937		2566
1938	=cut	2567	=cut
1939		2568
1940	sub cf::client::query {	2569	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2578	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2580
1952	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
1954	}	2585	}
1955		2586
1956	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
1957	on_reply => sub {	2593	on_reply => sub {
1958	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
1959		2595
1960	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
1961	# get handled first	2597	# get handled first
1962	my $queue = delete $ns->{query_queue}	2598	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2599	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2600
1965	(shift @$queue)->[1]->($msg);	2601	(shift @$queue)->[1]->($msg);
		2602	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2603
1967	push @{ $ns->{query_queue} }, @$queue;	2604	push @{ $ns->{query_queue} }, @$queue;
1968		2605
1969	if (@{ $ns->{query_queue} } == @$queue) {	2606	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2607	if (@$queue) {
…		…
1972	} else {	2609	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2611	}
1975	}	2612	}
1976	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
1977	);	2632	);
1978		2633
1979	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
1980		2635
1981	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2028		2683
2029	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
2030		2685
2031	=pod	2686	=pod
2032		2687
2033	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2034		2689
2035	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
2036	cf::object::player player	2694	cf::object::player
2037	cf::player peaceful	2695	player
2038	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2039		2702
2040	=cut	2703	=cut
2041		2704
2042	for (	2705	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2044	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2047	) {	2711	) {
2048	no strict 'refs';	2712	no strict 'refs';
…		…
2119	=back	2783	=back
2120		2784
2121	=cut	2785	=cut
2122		2786
2123	#############################################################################	2787	#############################################################################
		2788	# the server's init and main functions
2124		2789
2125	=head2 EXTENSION DATABASE SUPPORT	2790	sub load_facedata($) {
		2791	my ($path) = @_;
2126		2792
2127	Crossfire maintains a very simple database for extension use. It can	2793	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2794
2131	The parameter C<$family> should best start with the name of the extension	2795	my $facedata;
2132	using it, it should be unique.	2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
2133		2798
2134	=over 4	2799	$facedata = Coro::Storable::thaw $facedata;
2135		2800
2136	=item $hashref = cf::db_get $family	2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2803
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key
2143
2144	Returns a single value from the database
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}	2804	{
		2805	my $faces = $facedata->{faceinfo};
2174		2806
2175	my $pid;	2807	while (my ($face, $info) = each %$faces) {
		2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
		2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2176		2813
2177	sub db_save() {	2814	cf::cede_to_tick;
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});
2197
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {
2204	@_ >= 2
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208
2209	sub db_put($$;$) {
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2815	}
2223	);
2224	}
2225		2816
2226	#############################################################################	2817	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2818	next unless $info->{smooth};
		2819	my $idx = cf::face::find $face
		2820	or next;
		2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
		2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2824	} else {
		2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2826	}
		2827
		2828	cf::cede_to_tick;
		2829	}
		2830	}
		2831
		2832	{
		2833	my $anims = $facedata->{animinfo};
		2834
		2835	while (my ($anim, $info) = each %$anims) {
		2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871	}
		2872
		2873	1
		2874	}
		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
		2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
		2906	sub reload_resources {
		2907	warn "reloading resource files...\n";
		2908
		2909	reload_regions;
		2910	reload_facedata;
		2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
		2916	}
		2917
		2918	sub init {
		2919	reload_resources;
		2920	}
2228		2921
2229	sub cfg_load {	2922	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2924	or return;
2232		2925
2233	local $/;	2926	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2235		2928
…		…
2249		2942
2250	sub main {	2943	sub main {
2251	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2946	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2947	(async {
2254	async { Event::one_event };	2948	Event::one_event;
		2949	})->prio (Coro::PRIO_MAX);
2255	};	2950	};
2256		2951
2257	cfg_load;	2952	cfg_load;
2258	db_load;	2953	db_init;
2259	load_extensions;	2954	load_extensions;
		2955
		2956	$TICK_WATCHER->start;
2260	Event::loop;	2957	Event::loop;
2261	}	2958	}
2262		2959
2263	#############################################################################	2960	#############################################################################
2264	# initialisation and cleanup	2961	# initialisation and cleanup
2265		2962
2266	# install some emergency cleanup handlers	2963	# install some emergency cleanup handlers
2267	BEGIN {	2964	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2965	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2966	Event->signal (
		2967	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2968	data => WF_AUTOCANCEL,
2271	signal => $signal,	2969	signal => $signal,
		2970	prio => 0,
2272	cb => sub {	2971	cb => sub {
2273	cf::cleanup "SIG$signal";	2972	cf::cleanup "SIG$signal";
2274	},	2973	},
2275	);	2974	);
2276	}	2975	}
2277	}	2976	}
2278		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
		3014	}
		3015
2279	sub emergency_save() {	3016	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2281		3018
2282	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2283		3020
2284	cf::sync_job {	3021	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3022	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3023	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3024	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3025	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3026	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3027	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3028	$pl->valid or next;
2292	$pl->save;	3029	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	3035	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3036	$map->valid or next;
2300	$map->save;	3037	$map->save;
2301	}	3038	}
2302	warn "end emergency map save\n";	3039	warn "end emergency map save\n";
		3040
		3041	warn "begin emergency database checkpoint\n";
		3042	BDB::db_env_txn_checkpoint $DB_ENV;
		3043	warn "end emergency database checkpoint\n";
2303	};	3044	};
2304		3045
2305	warn "leave emergency perl save\n";	3046	warn "leave emergency perl save\n";
2306	}	3047	}
2307		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2308	sub reload() {	3056	sub do_reload_perl() {
2309	# can/must only be called in main	3057	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3059	warn "can only reload from main coroutine";
2312	return;	3060	return;
2313	}	3061	}
2314		3062
2315	warn "reloading...";	3063	warn "reloading...";
2316		3064
2317	warn "freezing server";	3065	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2320		3071
2321	warn "sync database to disk";	3072	warn "syncing database to disk";
2322	cf::db_sync;	3073	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3074
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3075	# if anything goes wrong in here, we should simply crash as we already saved
2327		3076
2328	warn "cancel all watchers";	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	3080	}
2332		3081
		3082	warn "flushing outstanding aio requests";
		3083	for (;;) {
		3084	BDB::flush;
		3085	IO::AIO::flush;
		3086	Coro::cede;
		3087	last unless IO::AIO::nreqs || BDB::nreqs;
		3088	warn "iterate...";
		3089	}
		3090
		3091	++$RELOAD;
		3092
2333	warn "cancel all extension coros";	3093	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3095	%EXT_CORO = ();
2336		3096
2337	warn "remove commands";	3097	warn "removing commands";
2338	%COMMAND = ();	3098	%COMMAND = ();
2339		3099
2340	warn "remove ext commands";	3100	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2342		3103
2343	warn "unload/nuke all extensions";	3104	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2346		3107
2347	if (my $cb = $pkg->can ("unload")) {	3108	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3109	eval {
…		…
2353		3114
2354	warn "... nuking $pkg";	3115	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3116	Symbol::delete_package $pkg;
2356	}	3117	}
2357		3118
2358	warn "unload all perl modules loaded from $LIBDIR";	3119	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3120	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3122
2362	warn "removing <$k>";	3123	warn "... unloading $k";
2363	delete $INC{$k};	3124	delete $INC{$k};
2364		3125
2365	$k =~ s/\.pm$//;	3126	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3127	$k =~ s/\//::/g;
2367		3128
…		…
2370	}	3131	}
2371		3132
2372	Symbol::delete_package $k;	3133	Symbol::delete_package $k;
2373	}	3134	}
2374		3135
2375	warn "get rid of safe::, as good as possible";	3136	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3139
2379	warn "unload cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2381		3143
2382	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3145	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2385		3147
		3148	warn "unload completed, starting to reload now";
		3149
2386	warn "reloading cf.pm";	3150	warn "reloading cf.pm";
2387	require cf;	3151	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3153
2390	warn "load config and database again";	3154	warn "loading config and database again";
2391	cf::cfg_load;	3155	cf::cfg_load;
2392	cf::db_load;
2393		3156
2394	warn "load extensions";	3157	warn "loading extensions";
2395	cf::load_extensions;	3158	cf::load_extensions;
2396		3159
2397	warn "reattach attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3161	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3162	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2401	};	3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2402		3166
2403	if ($@) {	3167	warn "leaving sync_job";
		3168
		3169	1
		3170	} or do {
2404	warn $@;	3171	warn $@;
2405	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2406	exit 1;	3173	exit 1;
2407	}	3174	};
2408		3175
2409	warn "reloaded";	3176	warn "reloaded";
2410	};	3177	};
2411		3178
2412	#############################################################################	3179	our $RELOAD_WATCHER; # used only during reload
2413		3180
2414	unless ($LINK_MAP) {	3181	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
2416		3184
2417	$LINK_MAP->width (41);	3185	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3186	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3187	after => 0,
		3188	data => WF_AUTOCANCEL,
2427	cb => sub {	3189	cb => sub {
2428	$_[0]->w->cancel;	3190	do_reload_perl;
2429		3191	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3192	},
2448		3193	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3194	}
2454		3195
2455	register_command "reload" => sub {	3196	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2457		3198
2458	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3200	$who->message ("reloading server.");
		3201	async { reload_perl };
2462	}	3202	}
2463	};	3203	};
2464		3204
2465	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2466		3206
		3207	my $bug_warning = 0;
		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3233	reentrant => 0,
		3234	parked => 1,
2469	prio => 0,	3235	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3237	data => WF_AUTOCANCEL,
2472	cb => sub {	3238	cb => sub {
		3239	if ($Coro::current != $Coro::main) {
		3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3241	unless ++$bug_warning > 10;
		3242	return;
		3243	}
		3244
		3245	$NOW = $tick_start = Event::time;
		3246
2473	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2474	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2475	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2476		3274
2477	$WAIT_FOR_TICK->broadcast;	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2478	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3277	Coro::async_pool {
		3278	write_runtime
		3279	or warn "ERROR: unable to write runtime file: $!";
		3280	};
		3281	}
		3282
		3283	# my $AFTER = Event::time;
		3284	# warn $AFTER - $NOW;#d#
		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
2479		3294
2480	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2481	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2482		3297
2483	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2484	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2485	},	3307	},
2486	);	3308	);
2487		3309
		3310	{
2488	IO::AIO::max_poll_time $TICK * 0.2;	3311	BDB::max_poll_time $TICK * 0.1;
2489		3312	$BDB_POLL_WATCHER = Event->io (
2490	Event->io (	3313	reentrant => 0,
2491	fd => IO::AIO::poll_fileno,	3314	fd => BDB::poll_fileno,
2492	poll => 'r',	3315	poll => 'r',
2493	prio => 5,	3316	prio => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => \&IO::AIO::poll_cb,
2496	);
2497
2498	Event->timer (
2499	data => WF_AUTOCANCEL,	3317	data => WF_AUTOCANCEL,
2500	after => 0,	3318	cb => \&BDB::poll_cb,
2501	interval => 10,	3319	);
2502	cb => sub {	3320	BDB::min_parallel 8;
2503	(Coro::unblock_sub {	3321
2504	write_runtime	3322	BDB::set_sync_prepare {
2505	or warn "ERROR: unable to write runtime file: $!";	3323	my $status;
		3324	my $current = $Coro::current;
		3325	(
		3326	sub {
		3327	$status = $!;
		3328	$current->ready; undef $current;
		3329	},
		3330	sub {
		3331	Coro::schedule while defined $current;
		3332	$! = $status;
		3333	},
		3334	)
		3335	};
		3336
		3337	unless ($DB_ENV) {
		3338	$DB_ENV = BDB::db_env_create;
		3339
		3340	cf::sync_job {
		3341	eval {
		3342	BDB::db_env_open
		3343	$DB_ENV,
		3344	$BDBDIR,
		3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3347	0666;
		3348
		3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3350
		3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3352	$DB_ENV->set_lk_detect;
		3353	};
		3354
		3355	cf::cleanup "db_env_open(db): $@" if $@;
2506	})->();	3356	};
2507	},	3357	}
2508	);	3358	}
		3359
		3360	{
		3361	IO::AIO::min_parallel 8;
		3362
		3363	undef $Coro::AIO::WATCHER;
		3364	IO::AIO::max_poll_time $TICK * 0.1;
		3365	$AIO_POLL_WATCHER = Event->io (
		3366	reentrant => 0,
		3367	data => WF_AUTOCANCEL,
		3368	fd => IO::AIO::poll_fileno,
		3369	poll => 'r',
		3370	prio => 6,
		3371	cb => \&IO::AIO::poll_cb,
		3372	);
		3373	}
		3374
		3375	my $_log_backtrace;
		3376
		3377	sub _log_backtrace {
		3378	my ($msg, @addr) = @_;
		3379
		3380	$msg =~ s/\n//;
		3381
		3382	# limit the # of concurrent backtraces
		3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
		3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
		3410	}
		3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
2509		3415
2510	END { cf::emergency_save }	3416	END { cf::emergency_save }
2511		3417
2512	1	3418	1
2513		3419

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