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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 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	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		654
522	#############################################################################	655	#############################################################################
523		656
524	=head2 ATTACHABLE OBJECTS	657	=head2 ATTACHABLE OBJECTS
525		658
…		…
527	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")
528	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
529		662
530	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>
531	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
532	crossfire+).	665	Crossfire TRT).
533		666
534	=over 4	667	=over 4
535		668
536	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
537		670
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	784	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	785	our @CB_MAP = ();
653		786
654	my %attachment;	787	my %attachment;
655		788
		789	sub cf::attachable::thawer_merge {
		790	# simply override everything except _meta
		791	local $_[0]{_meta};
		792	%{$_[0]} = %{$_[1]};
		793	}
		794
656	sub _attach_cb($$$$) {	795	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	796	my ($registry, $event, $prio, $cb) = @_;
658		797
659	use sort 'stable';	798	use sort 'stable';
660		799
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
695		834
696	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		839
701	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	841	my $pkg = shift @arg;
703		842
704	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
734	}	873	}
735		874
736	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
737	} else {	876	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	878	}
740		879
741	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
742	}	881	}
743		882
…		…
745	if (ref $_[0]) {	884	if (ref $_[0]) {
746	_object_attach @_;	885	_object_attach @_;
747	} else {	886	} else {
748	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
749	}	888	}
		889	_recalc_want;
750	};	890	};
751		891
752	# all those should be optimised	892	# all those should be optimised
753	sub cf::attachable::detach {	893	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
758	reattach ($obj);	898	reattach ($obj);
759	} else {	899	} else {
760	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
761	}	901	}
		902	_recalc_want;
762	};	903	};
763		904
764	sub cf::attachable::attached {	905	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
766		907
…		…
781	";	922	";
782	die if $@;	923	die if $@;
783	}	924	}
784		925
785	our $override;	926	our $override;
786	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?
787		928
788	sub override {	929	sub override {
789	$override = 1;	930	$override = 1;
790	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
791	}	932	}
792		933
793	sub do_invoke {	934	sub do_invoke {
794	my $event = shift;	935	my $event = shift;
795	my $callbacks = shift;	936	my $callbacks = shift;
796		937
797	@invoke_results = ();	938	@INVOKE_RESULTS = ();
798		939
799	local $override;	940	local $override;
800		941
801	for (@$callbacks) {	942	for (@$callbacks) {
802	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
819		960
820	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
821		962
822	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
823	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
824	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		966
826	=back	967	=back
827		968
828	=cut	969	=cut
829		970
830	#############################################################################	971	#############################################################################
831	# 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	}
832		984
833	sub reattach {	985	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	987	my ($obj) = @_;
		988
		989	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		990
837	my $registry = $obj->registry;	991	my $registry = $obj->registry;
838		992
839	@$registry = ();	993	@$registry = ();
840		994
…		…
887	$filename, length $$rdata, scalar @$objs;	1041	$filename, length $$rdata, scalar @$objs;
888		1042
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1044	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	1046	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	1047	close $fh;
894		1048
895	if (@$objs) {	1049	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	1051	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1052	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1053	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	1054	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	1055	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1056	aio_rename "$filename.pst~", "$filename.pst";
903	}	1057	}
904	} else {	1058	} else {
905	aio_unlink "$filename.pst";	1059	aio_unlink "$filename.pst";
…		…
937	or return;	1091	or return;
938	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1093	}
940		1094
941	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
943	return ($data, $av);	1097	return ($data, $av);
944	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
945		1105
946	#############################################################################	1106	#############################################################################
947	# command handling &c	1107	# command handling &c
948		1108
949	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1123	}
964		1124
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1126
967	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.
968		1132
969	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
970	called.	1134	called.
971		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
972	=cut	1147	=cut
973		1148
974	sub register_extcmd {	1149	sub register_extcmd {
975	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
976		1151
977	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
978	}	1159	}
979		1160
980	cf::player->attach (	1161	cf::player->attach (
981	on_command => sub {	1162	on_command => sub {
982	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1172	cf::override;
992	},	1173	},
993	on_extcmd => sub {	1174	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
995		1176
996	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1178
998	if (ref $msg) {	1179	if (ref $msg) {
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
1001	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1007		1188
1008	cf::override;	1189	cf::override;
1009	},	1190	},
1010	);	1191	);
1011		1192
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
1040	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1198	next unless -r $path;
1042	eval {	1199
1043	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;
1044	1	1257	}
1045	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
1046	}	1263	};
1047	}	1264	}
1048		1265
1049	#############################################################################	1266	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1267
1052	*cf::mapsupport::on_clean = sub {	1268	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1269
1065	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
1066		1271
1067	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
1068		1273
…		…
1081	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
1082		1287
1083	=cut	1288	=cut
1084		1289
1085	sub playerdir($) {	1290	sub playerdir($) {
1086	cf::localdir	1291	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1293	}
1092		1294
1093	sub path($) {	1295	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1297
1096	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
1097	}	1299	}
1098		1300
1099	sub find_active($) {	1301	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
1104		1306
1105	sub exists($) {	1307	sub exists($) {
1106	my ($login) = @_;	1308	my ($login) = @_;
1107		1309
1108	$cf::PLAYER{$login}	1310	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1311	or cf::sync_job { !aio_stat path $login }
1110	}	1312	}
1111		1313
1112	sub find($) {	1314	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1315	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1316	my $login = $_[0];
1115		1317
1116	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
1117		1319
1118	$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
1119	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
1120	or return;	1329	or return;
1121	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
1122	}	1331	}
1123	}	1332	}
…		…
1160		1369
1161	=cut	1370	=cut
1162		1371
1163	sub quit_character {	1372	sub quit_character {
1164	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1165		1376
1166	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1167	$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
1168		1379
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1411	}
1181		1412
1182	=item cf::player::list_logins	1413	=item cf::player::list_logins
1183		1414
1184	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
1185	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1186		1417
1187	=cut	1418	=cut
1188		1419
1189	sub list_logins {	1420	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1422	or return [];
1192		1423
1193	my @logins;	1424	my @logins;
1194		1425
1195	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1204	\@logins	1435	\@logins
1205	}	1436	}
1206		1437
1207	=item $player->maps	1438	=item $player->maps
1208		1439
1209	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
1210	player. May block.	1441	player. May block.
1211		1442
1212	=cut	1443	=cut
1213		1444
1214	sub maps($) {	1445	sub maps($) {
1215	my ($pl) = @_;	1446	my ($pl) = @_;
		1447
		1448	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1449
1217	my $files = aio_readdir playerdir $pl	1450	my $files = aio_readdir playerdir $pl
1218	or return;	1451	or return;
1219		1452
1220	my @paths;	1453	my @paths;
…		…
1222	for (@$files) {	1455	for (@$files) {
1223	utf8::decode $_;	1456	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1457	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1458	next unless /^$PATH_SEP/o;
1226		1459
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1460	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1461	}
1229		1462
1230	\@paths	1463	\@paths
1231	}	1464	}
1232		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
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1234		1517
1235	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1236		1519
1237	=cut	1520	=cut
1238		1521
1239	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1241		1524
1242	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1243		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1527	}
1246		1528
1247	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		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	}
1248		1569
1249	=back	1570	=back
1250
1251		1571
1252	=head3 cf::map	1572	=head3 cf::map
1253		1573
1254	=over 4	1574	=over 4
1255		1575
…		…
1258	package cf::map;	1578	package cf::map;
1259		1579
1260	use Fcntl;	1580	use Fcntl;
1261	use Coro::AIO;	1581	use Coro::AIO;
1262		1582
		1583	use overload
		1584	'""' => \&as_string,
		1585	fallback => 1;
		1586
1263	our $MAX_RESET = 3600;	1587	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1588	our $DEFAULT_RESET = 3000;
1265		1589
1266	sub generate_random_map {	1590	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1591	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1592	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1593	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1597	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1598	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1599	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1600	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1601	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1602	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1603	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1604	(cf::region::find $rmp->{region}), $rmp->{custom}
		1605	)
		1606	}
		1607
		1608	=item cf::map->register ($regex, $prio)
		1609
		1610	Register a handler for the map path matching the given regex at the
		1611	givne priority (higher is better, built-in handlers have priority 0, the
		1612	default).
		1613
		1614	=cut
		1615
		1616	sub register {
		1617	my (undef, $regex, $prio) = @_;
		1618	my $pkg = caller;
		1619
		1620	no strict;
		1621	push @{"$pkg\::ISA"}, __PACKAGE__;
		1622
		1623	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1624	}
		1625
		1626	# also paths starting with '/'
		1627	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1628
		1629	sub thawer_merge {
		1630	my ($self, $merge) = @_;
		1631
		1632	# we have to keep some variables in memory intact
		1633	local $self->{path};
		1634	local $self->{load_path};
		1635
		1636	$self->SUPER::thawer_merge ($merge);
		1637	}
		1638
		1639	sub normalise {
		1640	my ($path, $base) = @_;
		1641
		1642	$path = "$path"; # make sure its a string
		1643
		1644	$path =~ s/\.map$//;
		1645
		1646	# map plan:
		1647	#
		1648	# /! non-realised random map exit (special hack!)
		1649	# {... are special paths that are not being touched
		1650	# ?xxx/... are special absolute paths
		1651	# ?random/... random maps
		1652	# /... normal maps
		1653	# ~user/... per-player map of a specific user
		1654
		1655	$path =~ s/$PATH_SEP/\//go;
		1656
		1657	# treat it as relative path if it starts with
		1658	# something that looks reasonable
		1659	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1660	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1661
		1662	$base =~ s{[^/]+/?$}{};
		1663	$path = "$base/$path";
		1664	}
		1665
		1666	for ($path) {
		1667	redo if s{//}{/};
		1668	redo if s{/\.?/}{/};
		1669	redo if s{/[^/]+/\.\./}{/};
		1670	}
		1671
		1672	$path
		1673	}
		1674
		1675	sub new_from_path {
		1676	my (undef, $path, $base) = @_;
		1677
		1678	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1679
		1680	$path = normalise $path, $base;
		1681
		1682	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1683	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1684	my $self = bless cf::map::new, $pkg;
		1685	$self->{path} = $path; $self->path ($path);
		1686	$self->init; # pass $1 etc.
		1687	return $self;
		1688	}
		1689	}
		1690
		1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1692	()
		1693	}
		1694
		1695	sub init {
		1696	my ($self) = @_;
		1697
		1698	$self
		1699	}
		1700
		1701	sub as_string {
		1702	my ($self) = @_;
		1703
		1704	"$self->{path}"
		1705	}
		1706
		1707	# the displayed name, this is a one way mapping
		1708	sub visible_name {
		1709	&as_string
		1710	}
		1711
		1712	# the original (read-only) location
		1713	sub load_path {
		1714	my ($self) = @_;
		1715
		1716	"$MAPDIR/$self->{path}.map"
		1717	}
		1718
		1719	# the temporary/swap location
		1720	sub save_path {
		1721	my ($self) = @_;
		1722
		1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1724	"$TMPDIR/$path.map"
		1725	}
		1726
		1727	# the unique path, undef == no special unique path
		1728	sub uniq_path {
		1729	my ($self) = @_;
		1730
		1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1732	"$UNIQUEDIR/$path"
1283	}	1733	}
1284		1734
1285	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1286	# all maps in C++...	1736	# all maps in C++...
1287	sub change_all_map_light {	1737	sub change_all_map_light {
…		…
1289		1739
1290	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1292	}	1742	}
1293		1743
		1744	sub decay_objects {
		1745	my ($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
1294	sub load_map_header($) {	1760	sub load_header_from($) {
1295	my ($path) = @_;	1761	my ($self, $path) = @_;
1296		1762
1297	utf8::encode $path;	1763	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1764	#aio_open $path, O_RDONLY, 0
		1765	# or return;
		1766
		1767	$self->_load_header ($path)
1299	or return;	1768	or return;
1300		1769
1301	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
1302	or return;	1813	or return;
		1814	$self->prepare_orig;
		1815	}
1303		1816
1304	# for better error messages only, will be overwritten later	1817	$self->{deny_reset} = 1
1305	$map->path ($path);	1818	if $self->no_reset;
1306		1819
1307	$map->load_header ($path)	1820	$self->default_region (cf::region::find_by_path $self->{path})
1308	or return;	1821	unless $self->default_region;
1309		1822
1310	$map->{load_path} = $path;	1823	1
1311
1312	$map
1313	}	1824	}
1314		1825
1315	sub find;	1826	sub find;
1316	sub find {	1827	sub find {
1317	my ($path, $origin) = @_;	1828	my ($path, $origin) = @_;
1318		1829
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1830	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1831
1324	cf::lock_wait "map_find:$key";	1832	cf::lock_wait "map_find:$path";
1325		1833
1326	$cf::MAP{$key} || do {	1834	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1835	my $guard = cf::lock_acquire "map_find:$path";
1328		1836	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1837	or return;
1343		1838
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1356		1840
1357	Coro::cede;	1841	$map->load_header
		1842	or return;
1358		1843
1359	if ($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;
1360	$map->reset;	1847	$map->reset;
1361	undef $guard;	1848	undef $guard;
1362	$map = find $path	1849	return find $path;
1363	or return;
1364	}	1850	}
1365		1851
1366	$cf::MAP{$key} = $map	1852	$cf::MAP{$path} = $map
1367	}	1853	}
1368	}	1854	}
		1855
		1856	sub pre_load { }
		1857	sub post_load { }
1369		1858
1370	sub load {	1859	sub load {
1371	my ($self) = @_;	1860	my ($self) = @_;
1372		1861
		1862	local $self->{deny_reset} = 1; # loading can take a long time
		1863
1373	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1867	my $guard = cf::lock_acquire "map_load:$path";
1375		1868
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1870
1378	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1379		1872
1380	$self->alloc;	1873	$self->alloc;
		1874
		1875	$self->pre_load;
		1876	Coro::cede;
		1877
1381	$self->load_objects ($self->{load_path}, 1)	1878	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1879	or return;
1383		1880
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1882	if delete $self->{load_original};
1386		1883
1387	if (my $uniq = $path->uniq_path) {	1884	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1885	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1886	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1887	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1888	$self->_load_objects ($uniq, 0);
1392	}	1889	}
1393	}	1890	}
1394		1891
1395	Coro::cede;	1892	Coro::cede;
1396
1397	# now do the right thing for maps	1893	# now do the right thing for maps
1398	$self->link_multipart_objects;	1894	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1409	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;
1410	$self->activate;	1906	$self->activate;
1411	}	1907	}
1412		1908
1413	Coro::cede;
1414
1415	$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	$self
1416	}	1925	}
1417		1926
1418	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1928	sub load_diag {
1420	my ($map) = @_;	1929	my ($map) = @_;
…		…
1450		1959
1451	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1452	}	1961	}
1453		1962
1454	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1964	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1965
1470	sub find_async {	1966	sub find_async {
1471	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1472		1968
1473	$path = new cf::path $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1970
1476	if (my $map = $cf::MAP{$key}) {	1971	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1973	}
1479		1974
1480	$MAP_PREFETCH{$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	};
1481	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1482		1989
1483	()	1990	()
1484	}	1991	}
1485		1992
1486	sub save {	1993	sub save {
…		…
1490		1997
1491	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1492		1999
1493	return unless $self->dirty;	2000	return unless $self->dirty;
1494		2001
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2004
1498	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1499		2006
1500	return if $self->{deny_save};	2007	return if $self->{deny_save};
1501		2008
…		…
1504	cf::async {	2011	cf::async {
1505	$_->contr->save for $self->players;	2012	$_->contr->save for $self->players;
1506	};	2013	};
1507		2014
1508	if ($uniq) {	2015	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2018	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2020	}
1514	}	2021	}
1515		2022
1516	sub swap_out {	2023	sub swap_out {
1517	my ($self) = @_;	2024	my ($self) = @_;
…		…
1531		2038
1532	sub reset_at {	2039	sub reset_at {
1533	my ($self) = @_;	2040	my ($self) = @_;
1534		2041
1535	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1538		2044
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2047
…		…
1546	my ($self) = @_;	2052	my ($self) = @_;
1547		2053
1548	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1549	}	2055	}
1550		2056
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2057	sub reset {
1573	my ($self) = @_;	2058	my ($self) = @_;
1574		2059
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2061
1577	return if $self->players;	2062	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2063
1580	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	}
1581		2075
1582	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1583		2079
1584	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1585		2081
1586	$self->unlink_save;	2082	$self->unlink_save;
1587	$self->destroy;	2083	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1591		2087
1592	sub nuke {	2088	sub nuke {
1593	my ($self) = @_;	2089	my ($self) = @_;
1594		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1598	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1599	}	2104	}
1600		2105
1601	sub customise_for {	2106	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2107
1604	if ($map->per_player) {	2108	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
1606	}	2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
1607		2123
1608	$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	]
1609	}	2140	}
1610		2141
1611	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1612		2143
1613	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
1614	instantiated unique items. May block.	2145	instantiated unique items. May block.
1615		2146
1616	=cut	2147	=cut
1617		2148
1618	sub unique_maps() {	2149	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1620	or return;	2151	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2152	utf8::decode $_;
1626	next if /\.pst$/;	2153	/\.map$/
1627	next unless /^$PATH_SEP/o;	2154	? normalise $_
1628		2155	: ()
1629	push @paths, new cf::path $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2157	]
1631
1632	\@paths
1633	}	2158	}
1634		2159
1635	package cf;	2160	package cf;
1636		2161
1637	=back	2162	=back
…		…
1683		2208
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2210
1686	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1688	} 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 {
1689	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1691	}	2230	}
1692	}	2231	}
1693		2232
1694	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1695		2234
…		…
1709		2248
1710	=item $player_object->enter_link	2249	=item $player_object->enter_link
1711		2250
1712	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}>).
1713		2252
1714	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
1715	I<MUST> call C<leave_link> as soon as possible, though.	2254	I<MUST> call C<leave_link> as soon as possible, though.
1716		2255
		2256	Will never block.
		2257
1717	=item $player_object->leave_link ($map, $x, $y)	2258	=item $player_object->leave_link ($map, $x, $y)
1718		2259
1719	Moves the player out of the specila link map onto the given map. If the	2260	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2261	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2262	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2263	fails, to the emergency map position.
1723		2264
1724	Might block.	2265	Might block.
1725		2266
1726	=cut	2267	=cut
		2268
		2269	sub link_map {
		2270	unless ($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	$LINK_MAP
		2277	}
1727		2278
1728	sub cf::object::player::enter_link {	2279	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2280	my ($self) = @_;
1730		2281
1731	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1732		2283
1733	return if $self->map == $LINK_MAP;	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2285
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1737		2288
1738	$self->enter_map ($LINK_MAP, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2290	}
1740		2291
1741	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1743		2296
1744	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1745		2298
1746	unless ($map) {	2299	unless ($map) {
1747	# restore original map position	2300	# restore original map position
…		…
1765	$map->load;	2318	$map->load;
1766	$map->load_diag;	2319	$map->load_diag;
1767		2320
1768	return unless $self->contr->active;	2321	return unless $self->contr->active;
1769	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1771	}	2326	}
1772		2327
1773	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2329
1777	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1781	};	2334	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2335
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1808		2339
1809	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2342
1812	$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;
1813		2345
1814	$self->enter_link;	2346	$self->enter_link;
1815		2347
1816	(async {	2348	(async {
		2349	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1819		2354	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1821	# if $map;
1822
1823	$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	}
1824		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};
1825	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1826	})->prio (1);	2373	})->prio (1);
1827	}	2374	}
1828		2375
1829	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1830		2377
…		…
1832		2379
1833	sub parse_random_map_params {	2380	sub parse_random_map_params {
1834	my ($spec) = @_;	2381	my ($spec) = @_;
1835		2382
1836	my $rmp = { # defaults	2383	my $rmp = { # defaults
1837	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1839	};	2388	};
1840		2389
1841	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1843		2392
…		…
1847	$rmp	2396	$rmp
1848	}	2397	}
1849		2398
1850	sub prepare_random_map {	2399	sub prepare_random_map {
1851	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2403
1853	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2406	# that depends on the exit object
1856		2407
1857	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1858		2409
1859	if ($exit->map) {	2410	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1864	}	2415	}
1865		2416
1866	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1867		2418
1868	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1870		2422
1871	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) {
1872	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;
1873		2427
1874	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2429	$exit->msg (undef);
1876	}	2430	}
1877	}	2431	}
…		…
1879	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1881		2435
1882	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1883		2437
		2438	if ($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
1884	$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);
1885		2454
1886	(async {	2455	(async {
1887	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2457	unless (eval {
1889	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2459
1895	1;	2460	1;
1896	}) {	2461	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "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. "
1899	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2466
1902	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2468	$self->leave_link;
1904	}	2469	}
1905	})->prio (1);	2470	})->prio (1);
…		…
1918		2483
1919	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1921		2486
1922	utf8::encode $text;	2487	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2489	}
1925		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	}
1926		2557
1927	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1928		2559
1929	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
1930	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>,
1931	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>.
1932		2563
1933	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
1934	reliable at some point in the future.	2565	become reliable at some point in the future.
1935		2566
1936	=cut	2567	=cut
1937		2568
1938	sub cf::client::query {	2569	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2578	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2580
1950	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
1952	}	2585	}
1953		2586
1954	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	},
1955	on_reply => sub {	2593	on_reply => sub {
1956	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
1957		2595
1958	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
1959	# get handled first	2597	# get handled first
1960	my $queue = delete $ns->{query_queue}	2598	my $queue = delete $ns->{query_queue}
1961	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
1962		2600
1963	(shift @$queue)->[1]->($msg);	2601	(shift @$queue)->[1]->($msg);
		2602	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2603
1965	push @{ $ns->{query_queue} }, @$queue;	2604	push @{ $ns->{query_queue} }, @$queue;
1966		2605
1967	if (@{ $ns->{query_queue} } == @$queue) {	2606	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2607	if (@$queue) {
…		…
1970	} else {	2609	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2611	}
1973	}	2612	}
1974	},	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	},
1975	);	2632	);
1976		2633
1977	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
1978		2635
1979	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2026		2683
2027	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
2028		2685
2029	=pod	2686	=pod
2030		2687
2031	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2032		2689
2033	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
2034	cf::object::player player	2694	cf::object::player
2035	cf::player peaceful	2695	player
2036	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2037		2702
2038	=cut	2703	=cut
2039		2704
2040	for (	2705	for (
2041	["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)],
2042	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2045	) {	2711	) {
2046	no strict 'refs';	2712	no strict 'refs';
…		…
2117	=back	2783	=back
2118		2784
2119	=cut	2785	=cut
2120		2786
2121	#############################################################################	2787	#############################################################################
		2788	# the server's init and main functions
2122		2789
2123	=head2 EXTENSION DATABASE SUPPORT	2790	sub load_facedata($) {
		2791	my ($path) = @_;
2124		2792
2125	Crossfire maintains a very simple database for extension use. It can	2793	warn "loading facedata from $path\n";
2126	currently store anything that can be serialised using Storable, which
2127	excludes objects.
2128		2794
2129	The parameter C<$family> should best start with the name of the extension	2795	my $facedata;
2130	using it, it should be unique.	2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
2131		2798
2132	=over 4	2799	$facedata = Coro::Storable::thaw $facedata;
2133		2800
2134	=item $hashref = cf::db_get $family	2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
2135		2803
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key
2141
2142	Returns a single value from the database
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}	2804	{
		2805	my $faces = $facedata->{faceinfo};
2172		2806
2173	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};
2174		2813
2175	sub db_save() {	2814	cf::cede_to_tick;
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});
2195
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {
2202	@_ >= 2
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206
2207	sub db_put($$;$) {
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2815	}
2221	);
2222	}
2223		2816
2224	#############################################################################	2817	while (my ($face, $info) = each %$faces) {
2225	# 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	}
2226		2921
2227	sub cfg_load {	2922	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2924	or return;
2230		2925
2231	local $/;	2926	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2233		2928
…		…
2247		2942
2248	sub main {	2943	sub main {
2249	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
2251	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 {
2252	async { Event::one_event };	2948	Event::one_event;
		2949	})->prio (Coro::PRIO_MAX);
2253	};	2950	};
2254		2951
2255	cfg_load;	2952	cfg_load;
2256	db_load;	2953	db_init;
2257	load_extensions;	2954	load_extensions;
		2955
		2956	$TICK_WATCHER->start;
2258	Event::loop;	2957	Event::loop;
2259	}	2958	}
2260		2959
2261	#############################################################################	2960	#############################################################################
2262	# initialisation and cleanup	2961	# initialisation and cleanup
2263		2962
2264	# install some emergency cleanup handlers	2963	# install some emergency cleanup handlers
2265	BEGIN {	2964	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2965	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2966	Event->signal (
		2967	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2968	data => WF_AUTOCANCEL,
2269	signal => $signal,	2969	signal => $signal,
		2970	prio => 0,
2270	cb => sub {	2971	cb => sub {
2271	cf::cleanup "SIG$signal";	2972	cf::cleanup "SIG$signal";
2272	},	2973	},
2273	);	2974	);
2274	}	2975	}
2275	}	2976	}
2276		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
2277	sub emergency_save() {	3016	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2279		3018
2280	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2281		3020
2282	cf::sync_job {	3021	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	3022	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3023	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3024	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3025	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	3026	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3027	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3028	$pl->valid or next;
2290	$pl->save;	3029	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	3035	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3036	$map->valid or next;
2298	$map->save;	3037	$map->save;
2299	}	3038	}
2300	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 $DB_ENV;
		3043	warn "end emergency database checkpoint\n";
2301	};	3044	};
2302		3045
2303	warn "leave emergency perl save\n";	3046	warn "leave emergency perl save\n";
2304	}	3047	}
2305		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2306	sub reload() {	3056	sub do_reload_perl() {
2307	# can/must only be called in main	3057	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3059	warn "can only reload from main coroutine";
2310	return;	3060	return;
2311	}	3061	}
2312		3062
2313	warn "reloading...";	3063	warn "reloading...";
2314		3064
2315	warn "freezing server";	3065	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2318		3071
2319	warn "sync database to disk";	3072	warn "syncing database to disk";
2320	cf::db_sync;	3073	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3074
2323	eval {
2324	# 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
2325		3076
2326	warn "cancel all watchers";	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	3080	}
2330		3081
		3082	warn "flushing outstanding aio requests";
		3083	for (;;) {
		3084	BDB::flush;
		3085	IO::AIO::flush;
		3086	Coro::cede;
		3087	last unless IO::AIO::nreqs || BDB::nreqs;
		3088	warn "iterate...";
		3089	}
		3090
		3091	++$RELOAD;
		3092
2331	warn "cancel all extension coros";	3093	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3095	%EXT_CORO = ();
2334		3096
2335	warn "remove commands";	3097	warn "removing commands";
2336	%COMMAND = ();	3098	%COMMAND = ();
2337		3099
2338	warn "remove ext commands";	3100	warn "removing ext/exti commands";
2339	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2340		3103
2341	warn "unload/nuke all extensions";	3104	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2344		3107
2345	if (my $cb = $pkg->can ("unload")) {	3108	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3109	eval {
…		…
2351		3114
2352	warn "... nuking $pkg";	3115	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	3116	Symbol::delete_package $pkg;
2354	}	3117	}
2355		3118
2356	warn "unload all perl modules loaded from $LIBDIR";	3119	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3120	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3122
2360	warn "removing <$k>";	3123	warn "... unloading $k";
2361	delete $INC{$k};	3124	delete $INC{$k};
2362		3125
2363	$k =~ s/\.pm$//;	3126	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3127	$k =~ s/\//::/g;
2365		3128
…		…
2368	}	3131	}
2369		3132
2370	Symbol::delete_package $k;	3133	Symbol::delete_package $k;
2371	}	3134	}
2372		3135
2373	warn "get rid of safe::, as good as possible";	3136	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2375	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);
2376		3139
2377	warn "unload cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2379		3143
2380	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3145	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2383		3147
		3148	warn "unload completed, starting to reload now";
		3149
2384	warn "reloading cf.pm";	3150	warn "reloading cf.pm";
2385	require cf;	3151	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3153
2388	warn "load config and database again";	3154	warn "loading config and database again";
2389	cf::cfg_load;	3155	cf::cfg_load;
2390	cf::db_load;
2391		3156
2392	warn "load extensions";	3157	warn "loading extensions";
2393	cf::load_extensions;	3158	cf::load_extensions;
2394		3159
2395	warn "reattach attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3161	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3162	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2399	};	3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2400		3166
2401	if ($@) {	3167	warn "leaving sync_job";
		3168
		3169	1
		3170	} or do {
2402	warn $@;	3171	warn $@;
2403	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2404	exit 1;	3173	exit 1;
2405	}	3174	};
2406		3175
2407	warn "reloaded";	3176	warn "reloaded";
2408	};	3177	};
2409		3178
2410	#############################################################################	3179	our $RELOAD_WATCHER; # used only during reload
2411		3180
2412	unless ($LINK_MAP) {	3181	sub reload_perl() {
2413	$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.
2414		3184
2415	$LINK_MAP->width (41);	3185	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3186	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3187	after => 0,
		3188	data => WF_AUTOCANCEL,
2425	cb => sub {	3189	cb => sub {
2426	$_[0]->w->cancel;	3190	do_reload_perl;
2427		3191	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3192	},
2446		3193	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3194	}
2452		3195
2453	register_command "reload" => sub {	3196	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2455		3198
2456	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3200	$who->message ("reloading server.");
		3201	async { reload_perl };
2460	}	3202	}
2461	};	3203	};
2462		3204
2463	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2464		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;
2465	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3233	reentrant => 0,
		3234	parked => 1,
2467	prio => 0,	3235	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3237	data => WF_AUTOCANCEL,
2470	cb => sub {	3238	cb => sub {
		3239	if ($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
2471	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
2472	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2474		3274
2475	$WAIT_FOR_TICK->broadcast;	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$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;
2477		3294
2478	# 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
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3297
2481	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2482	$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
2483	},	3307	},
2484	);	3308	);
2485		3309
		3310	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	3311	BDB::max_poll_time $TICK * 0.1;
2487		3312	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3313	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3314	fd => BDB::poll_fileno,
2490	poll => 'r',	3315	poll => 'r',
2491	prio => 5,	3316	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3317	data => WF_AUTOCANCEL,
2498	after => 0,	3318	cb => \&BDB::poll_cb,
2499	interval => 10,	3319	);
2500	cb => sub {	3320	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3321
2502	write_runtime	3322	BDB::set_sync_prepare {
2503	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 $@;
2504	})->();	3356	};
2505	},	3357	}
2506	);	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;
2507		3415
2508	END { cf::emergency_save }	3416	END { cf::emergency_save }
2509		3417
2510	1	3418	1
2511		3419

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