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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.329 by root, Fri Aug 10 05:38:16 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[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
264	}	381	}
265		382
266	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
267		384
268	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		390
274	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
275		392
276	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
277		394
278	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
281		399
282	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
285	fast or be very important.	403	fast or be very important.
…		…
288		406
289	sub sync_job(&) {	407	sub sync_job(&) {
290	my ($job) = @_;	408	my ($job) = @_;
291		409
292	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
293	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
295		415
296	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
308		428
309	while ($busy) {	429	while ($busy) {
310	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
311	}	431	}
312		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
313	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
314	} else {	441	} else {
315	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
316		443
317	$job->()	444	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
337		464
338	$coro	465	$coro
339	}	466	}
340		467
341	sub write_runtime {	468	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		469
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
345	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
346		474
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		476
351	aio_fsync $fh	477	sub _store_scalar {
352	and return;	478	open my $fh, ">", \my $buf
353		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
354	close $fh	481	close $fh;
355	or return;
356		482
357	aio_rename "$runtime~", $runtime	483	$buf
358	and return;	484	}
359		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
360	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	655	}
362		656
363	=back	657	=back
364		658
365	=cut	659	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		660
523	#############################################################################	661	#############################################################################
524		662
525	=head2 ATTACHABLE OBJECTS	663	=head2 ATTACHABLE OBJECTS
526		664
…		…
528	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
530		668
531	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	671	Crossfire TRT).
534		672
535	=over 4	673	=over 4
536		674
537	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
538		676
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	791	our @CB_MAP = ();
654		792
655	my %attachment;	793	my %attachment;
656		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
657	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
659		803
660	use sort 'stable';	804	use sort 'stable';
661		805
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
696		840
697	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		845
702	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	847	my $pkg = shift @arg;
704		848
705	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
735	}	879	}
736		880
737	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
738	} else {	882	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	884	}
741		885
742	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
743	}	887	}
744		888
…		…
746	if (ref $_[0]) {	890	if (ref $_[0]) {
747	_object_attach @_;	891	_object_attach @_;
748	} else {	892	} else {
749	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
750	}	894	}
		895	_recalc_want;
751	};	896	};
752		897
753	# all those should be optimised	898	# all those should be optimised
754	sub cf::attachable::detach {	899	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
759	reattach ($obj);	904	reattach ($obj);
760	} else {	905	} else {
761	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
762	}	907	}
		908	_recalc_want;
763	};	909	};
764		910
765	sub cf::attachable::attached {	911	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
767		913
…		…
782	";	928	";
783	die if $@;	929	die if $@;
784	}	930	}
785		931
786	our $override;	932	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		934
789	sub override {	935	sub override {
790	$override = 1;	936	$override = 1;
791	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
792	}	938	}
793		939
794	sub do_invoke {	940	sub do_invoke {
795	my $event = shift;	941	my $event = shift;
796	my $callbacks = shift;	942	my $callbacks = shift;
797		943
798	@invoke_results = ();	944	@INVOKE_RESULTS = ();
799		945
800	local $override;	946	local $override;
801		947
802	for (@$callbacks) {	948	for (@$callbacks) {
803	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
820		966
821	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
822		968
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		972
827	=back	973	=back
828		974
829	=cut	975	=cut
830		976
831	#############################################################################	977	#############################################################################
832	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
833		990
834	sub reattach {	991	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		996
838	my $registry = $obj->registry;	997	my $registry = $obj->registry;
839		998
840	@$registry = ();	999	@$registry = ();
841		1000
…		…
888	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
889		1048
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	1053	close $fh;
895		1054
896	if (@$objs) {	1055	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1061	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
904	}	1063	}
905	} else {	1064	} else {
906	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
938	or return;	1097	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1099	}
941		1100
942	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1103	return ($data, $av);
945	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
946		1111
947	#############################################################################	1112	#############################################################################
948	# command handling &c	1113	# command handling &c
949		1114
950	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1129	}
965		1130
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1132
968	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
969		1138
970	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
971	called.	1140	called.
972		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
973	=cut	1153	=cut
974		1154
975	sub register_extcmd {	1155	sub register_extcmd {
976	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
977		1157
978	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
979	}	1165	}
980		1166
981	cf::player->attach (	1167	cf::player->attach (
982	on_command => sub {	1168	on_command => sub {
983	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1178	cf::override;
993	},	1179	},
994	on_extcmd => sub {	1180	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
996		1182
997	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1184
999	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
1002	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
1003	}	1195	if $reply;
1004	}	1196	}
1005	} else {	1197	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1199	}
1008		1200
1009	cf::override;	1201	cf::override;
1010	},	1202	},
1011	);	1203	);
1012		1204
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
1041	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1210	next unless -r $path;
1043	eval {	1211
1044	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
1045	1	1269	}
1046	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
1047	}	1275	};
1048	}	1276	}
1049		1277
1050	#############################################################################	1278	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1279
1053	*cf::mapsupport::on_clean = sub {	1280	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1281
1066	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
1067		1283
1068	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
1069		1285
…		…
1082	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1083		1299
1084	=cut	1300	=cut
1085		1301
1086	sub playerdir($) {	1302	sub playerdir($) {
1087	cf::localdir	1303	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1305	}
1093		1306
1094	sub path($) {	1307	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1309
1097	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
1098	}	1311	}
1099		1312
1100	sub find_active($) {	1313	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
1105		1318
1106	sub exists($) {	1319	sub exists($) {
1107	my ($login) = @_;	1320	my ($login) = @_;
1108		1321
1109	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
1111	}	1324	}
1112		1325
1113	sub find($) {	1326	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1328	my $login = $_[0];
1116		1329
1117	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
1118		1331
1119	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
1120	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
1121	or return;	1341	or return;
1122	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
1123	}	1343	}
1124	}	1344	}
…		…
1152	$cf::PLAYER{$login} = $self;	1372	$cf::PLAYER{$login} = $self;
1153		1373
1154	$self	1374	$self
1155	}	1375	}
1156		1376
		1377	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1378
		1379	=cut
		1380
		1381	sub send_msg {
		1382	my $ns = shift->ns
		1383	or return;
		1384	$ns->send_msg (@_);
		1385	}
		1386
1157	=item $pl->quit_character	1387	=item $pl->quit_character
1158		1388
1159	Nukes the player without looking back. If logged in, the connection will	1389	Nukes the player without looking back. If logged in, the connection will
1160	be destroyed. May block for a long time.	1390	be destroyed. May block for a long time.
1161		1391
1162	=cut	1392	=cut
1163		1393
1164	sub quit_character {	1394	sub quit_character {
1165	my ($pl) = @_;	1395	my ($pl) = @_;
		1396
		1397	my $name = $pl->ob->name;
1166		1398
1167	$pl->{deny_save} = 1;	1399	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1400	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1401
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1407	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1408	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1409	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1410	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1411	$pl->destroy;
		1412
		1413	my $prefix = qr<^~\Q$name\E/>;
		1414
		1415	# nuke player maps
		1416	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1417
1180	IO::AIO::aio_rmtree $temp;	1418	IO::AIO::aio_rmtree $temp;
		1419	}
		1420
		1421	=item $pl->kick
		1422
		1423	Kicks a player out of the game. This destroys the connection.
		1424
		1425	=cut
		1426
		1427	sub kick {
		1428	my ($pl, $kicker) = @_;
		1429
		1430	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1431	$pl->killer ("kicked");
		1432	$pl->ns->destroy;
1181	}	1433	}
1182		1434
1183	=item cf::player::list_logins	1435	=item cf::player::list_logins
1184		1436
1185	Returns am arrayref of all valid playernames in the system, can take a	1437	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1438	while and may block, so not sync_job-capable, ever.
1187		1439
1188	=cut	1440	=cut
1189		1441
1190	sub list_logins {	1442	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1443	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1444	or return [];
1193		1445
1194	my @logins;	1446	my @logins;
1195		1447
1196	for my $login (@$dirs) {	1448	for my $login (@$dirs) {
…		…
1205	\@logins	1457	\@logins
1206	}	1458	}
1207		1459
1208	=item $player->maps	1460	=item $player->maps
1209		1461
1210	Returns an arrayref of cf::path's of all maps that are private for this	1462	Returns an arrayref of map paths that are private for this
1211	player. May block.	1463	player. May block.
1212		1464
1213	=cut	1465	=cut
1214		1466
1215	sub maps($) {	1467	sub maps($) {
1216	my ($pl) = @_;	1468	my ($pl) = @_;
		1469
		1470	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1471
1218	my $files = aio_readdir playerdir $pl	1472	my $files = aio_readdir playerdir $pl
1219	or return;	1473	or return;
1220		1474
1221	my @paths;	1475	my @paths;
…		…
1223	for (@$files) {	1477	for (@$files) {
1224	utf8::decode $_;	1478	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1479	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1480	next unless /^$PATH_SEP/o;
1227		1481
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1482	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1483	}
1230		1484
1231	\@paths	1485	\@paths
1232	}	1486	}
1233		1487
		1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1489
		1490	Expand crossfire pod fragments into protocol xml.
		1491
		1492	=cut
		1493
		1494	sub expand_cfpod {
		1495	((my $self), (local $_)) = @_;
		1496
		1497	# escape & and <
		1498	s/&/&amp;/g;
		1499	s/(?<![BIUGH])</&lt;/g;
		1500
		1501	# this is buggy, it needs to properly take care of nested <'s
		1502
		1503	1 while
		1504	# replace B<>, I<>, U<> etc.
		1505	s/B<([^\>]*)>/<b>$1<\/b>/
		1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1508	# replace G<male|female> tags
		1509	|| s{G<([^>|]*)\|([^>]*)>}{
		1510	$self->gender ? $2 : $1
		1511	}ge
		1512	# replace H<hint text>
		1513	|| s{H<([^\>]*)>}
		1514	{
		1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1517	"")
		1518	[$self->{hintmode}]
		1519	}ge;
		1520
		1521	# create single paragraphs (very hackish)
		1522	s/(?<=\S)\n(?=\w)/ /g;
		1523
		1524	# compress some whitespace
		1525	s/\s+\n/\n/g; # ws line-ends
		1526	s/\n\n+/\n/g; # double lines
		1527	s/^\n+//; # beginning lines
		1528	s/\n+$//; # ending lines
		1529
		1530	$_
		1531	}
		1532
		1533	sub hintmode {
		1534	$_[0]{hintmode} = $_[1] if @_ > 1;
		1535	$_[0]{hintmode}
		1536	}
		1537
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1538	=item $player->ext_reply ($msgid, @msg)
1235		1539
1236	Sends an ext reply to the player.	1540	Sends an ext reply to the player.
1237		1541
1238	=cut	1542	=cut
1239		1543
1240	sub ext_reply($$$%) {	1544	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1545	my ($self, $id, @msg) = @_;
1242		1546
1243	$msg{msgid} = $id;	1547	if ($self->ns->extcmd == 2) {
1244		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1245	$self->send ("ext " . cf::to_json \%msg);	1549	} elsif ($self->ns->extcmd == 1) {
		1550	#TODO: version 1, remove
		1551	unshift @msg, msgtype => "reply", msgid => $id;
		1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1553	}
1246	}	1554	}
1247		1555
1248	package cf;	1556	=item $player->ext_msg ($type, @msg)
		1557
		1558	Sends an ext event to the client.
		1559
		1560	=cut
		1561
		1562	sub ext_msg($$@) {
		1563	my ($self, $type, @msg) = @_;
		1564
		1565	$self->ns->ext_msg ($type, @msg);
		1566	}
		1567
		1568	=head3 cf::region
		1569
		1570	=over 4
		1571
		1572	=cut
		1573
		1574	package cf::region;
		1575
		1576	=item cf::region::find_by_path $path
		1577
		1578	Tries to decuce the likely region for a map knowing only its path.
		1579
		1580	=cut
		1581
		1582	sub find_by_path($) {
		1583	my ($path) = @_;
		1584
		1585	my ($match, $specificity);
		1586
		1587	for my $region (list) {
		1588	if ($region->{match} && $path =~ $region->{match}) {
		1589	($match, $specificity) = ($region, $region->specificity)
		1590	if $region->specificity > $specificity;
		1591	}
		1592	}
		1593
		1594	$match
		1595	}
1249		1596
1250	=back	1597	=back
1251
1252		1598
1253	=head3 cf::map	1599	=head3 cf::map
1254		1600
1255	=over 4	1601	=over 4
1256		1602
…		…
1259	package cf::map;	1605	package cf::map;
1260		1606
1261	use Fcntl;	1607	use Fcntl;
1262	use Coro::AIO;	1608	use Coro::AIO;
1263		1609
		1610	use overload
		1611	'""' => \&as_string,
		1612	fallback => 1;
		1613
1264	our $MAX_RESET = 3600;	1614	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1615	our $DEFAULT_RESET = 3000;
1266		1616
1267	sub generate_random_map {	1617	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1618	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1619	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1620	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1624	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1625	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1630	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1631	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1632	)
1285	}	1633	}
1286		1634
		1635	=item cf::map->register ($regex, $prio)
		1636
		1637	Register a handler for the map path matching the given regex at the
		1638	givne priority (higher is better, built-in handlers have priority 0, the
		1639	default).
		1640
		1641	=cut
		1642
		1643	sub register {
		1644	my (undef, $regex, $prio) = @_;
		1645	my $pkg = caller;
		1646
		1647	no strict;
		1648	push @{"$pkg\::ISA"}, __PACKAGE__;
		1649
		1650	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1651	}
		1652
		1653	# also paths starting with '/'
		1654	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1655
		1656	sub thawer_merge {
		1657	my ($self, $merge) = @_;
		1658
		1659	# we have to keep some variables in memory intact
		1660	local $self->{path};
		1661	local $self->{load_path};
		1662
		1663	$self->SUPER::thawer_merge ($merge);
		1664	}
		1665
		1666	sub normalise {
		1667	my ($path, $base) = @_;
		1668
		1669	$path = "$path"; # make sure its a string
		1670
		1671	$path =~ s/\.map$//;
		1672
		1673	# map plan:
		1674	#
		1675	# /! non-realised random map exit (special hack!)
		1676	# {... are special paths that are not being touched
		1677	# ?xxx/... are special absolute paths
		1678	# ?random/... random maps
		1679	# /... normal maps
		1680	# ~user/... per-player map of a specific user
		1681
		1682	$path =~ s/$PATH_SEP/\//go;
		1683
		1684	# treat it as relative path if it starts with
		1685	# something that looks reasonable
		1686	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1687	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1688
		1689	$base =~ s{[^/]+/?$}{};
		1690	$path = "$base/$path";
		1691	}
		1692
		1693	for ($path) {
		1694	redo if s{//}{/};
		1695	redo if s{/\.?/}{/};
		1696	redo if s{/[^/]+/\.\./}{/};
		1697	}
		1698
		1699	$path
		1700	}
		1701
		1702	sub new_from_path {
		1703	my (undef, $path, $base) = @_;
		1704
		1705	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1706
		1707	$path = normalise $path, $base;
		1708
		1709	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1710	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1711	my $self = bless cf::map::new, $pkg;
		1712	$self->{path} = $path; $self->path ($path);
		1713	$self->init; # pass $1 etc.
		1714	return $self;
		1715	}
		1716	}
		1717
		1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1719	()
		1720	}
		1721
		1722	sub init {
		1723	my ($self) = @_;
		1724
		1725	$self
		1726	}
		1727
		1728	sub as_string {
		1729	my ($self) = @_;
		1730
		1731	"$self->{path}"
		1732	}
		1733
		1734	# the displayed name, this is a one way mapping
		1735	sub visible_name {
		1736	&as_string
		1737	}
		1738
		1739	# the original (read-only) location
		1740	sub load_path {
		1741	my ($self) = @_;
		1742
		1743	"$MAPDIR/$self->{path}.map"
		1744	}
		1745
		1746	# the temporary/swap location
		1747	sub save_path {
		1748	my ($self) = @_;
		1749
		1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1751	"$TMPDIR/$path.map"
		1752	}
		1753
		1754	# the unique path, undef == no special unique path
		1755	sub uniq_path {
		1756	my ($self) = @_;
		1757
		1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1759	"$UNIQUEDIR/$path"
		1760	}
		1761
1287	# and all this just because we cannot iterate over	1762	# and all this just because we cannot iterate over
1288	# all maps in C++...	1763	# all maps in C++...
1289	sub change_all_map_light {	1764	sub change_all_map_light {
1290	my ($change) = @_;	1765	my ($change) = @_;
1291		1766
1292	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
1294	}	1769	}
1295		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
		1777	}
		1778
		1779	sub unlink_save {
		1780	my ($self) = @_;
		1781
		1782	utf8::encode (my $save = $self->save_path);
		1783	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1784	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1785	}
		1786
1296	sub load_map_header($) {	1787	sub load_header_from($) {
1297	my ($path) = @_;	1788	my ($self, $path) = @_;
1298		1789
1299	utf8::encode $path;	1790	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1791	#aio_open $path, O_RDONLY, 0
		1792	# or return;
		1793
		1794	$self->_load_header ($path)
1301	or return;	1795	or return;
1302		1796
1303	my $map = cf::map::new	1797	$self->{load_path} = $path;
		1798
		1799	1
		1800	}
		1801
		1802	sub load_header_orig {
		1803	my ($self) = @_;
		1804
		1805	$self->load_header_from ($self->load_path)
		1806	}
		1807
		1808	sub load_header_temp {
		1809	my ($self) = @_;
		1810
		1811	$self->load_header_from ($self->save_path)
		1812	}
		1813
		1814	sub prepare_temp {
		1815	my ($self) = @_;
		1816
		1817	$self->last_access ((delete $self->{last_access})
		1818	|| $cf::RUNTIME); #d#
		1819	# safety
		1820	$self->{instantiate_time} = $cf::RUNTIME
		1821	if $self->{instantiate_time} > $cf::RUNTIME;
		1822	}
		1823
		1824	sub prepare_orig {
		1825	my ($self) = @_;
		1826
		1827	$self->{load_original} = 1;
		1828	$self->{instantiate_time} = $cf::RUNTIME;
		1829	$self->last_access ($cf::RUNTIME);
		1830	$self->instantiate;
		1831	}
		1832
		1833	sub load_header {
		1834	my ($self) = @_;
		1835
		1836	if ($self->load_header_temp) {
		1837	$self->prepare_temp;
		1838	} else {
		1839	$self->load_header_orig
1304	or return;	1840	or return;
		1841	$self->prepare_orig;
		1842	}
1305		1843
1306	# for better error messages only, will be overwritten later	1844	$self->{deny_reset} = 1
1307	$map->path ($path);	1845	if $self->no_reset;
1308		1846
1309	$map->load_header ($path)	1847	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1848	unless $self->default_region;
1311		1849
1312	$map->{load_path} = $path;	1850	1
1313
1314	$map
1315	}	1851	}
1316		1852
1317	sub find;	1853	sub find;
1318	sub find {	1854	sub find {
1319	my ($path, $origin) = @_;	1855	my ($path, $origin) = @_;
1320		1856
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1857	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1858
1326	cf::lock_wait "map_find:$key";	1859	cf::lock_wait "map_find:$path";
1327		1860
1328	$cf::MAP{$key} || do {	1861	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1862	my $guard = cf::lock_acquire "map_find:$path";
1330		1863	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1864	or return;
1345		1865
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1358		1867
1359	Coro::cede;	1868	$map->load_header
		1869	or return;
1360		1870
1361	if ($map->should_reset) {	1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1872	# doing this can freeze the server in a sync job, obviously
		1873	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1874	$map->reset;
1363	undef $guard;	1875	undef $guard;
1364	$map = find $path	1876	return find $path;
1365	or return;
1366	}	1877	}
1367		1878
1368	$cf::MAP{$key} = $map	1879	$cf::MAP{$path} = $map
1369	}	1880	}
1370	}	1881	}
		1882
		1883	sub pre_load { }
		1884	sub post_load { }
1371		1885
1372	sub load {	1886	sub load {
1373	my ($self) = @_;	1887	my ($self) = @_;
1374		1888
		1889	local $self->{deny_reset} = 1; # loading can take a long time
		1890
1375	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1894	my $guard = cf::lock_acquire "map_load:$path";
1377		1895
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1897
1380	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1381		1899
1382	$self->alloc;	1900	$self->alloc;
		1901
		1902	$self->pre_load;
		1903	Coro::cede;
		1904
1383	$self->load_objects ($self->{load_path}, 1)	1905	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1906	or return;
1385		1907
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1909	if delete $self->{load_original};
1388		1910
1389	if (my $uniq = $path->uniq_path) {	1911	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1912	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1913	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1914	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1915	$self->_load_objects ($uniq, 0);
1394	}	1916	}
1395	}	1917	}
1396		1918
1397	Coro::cede;	1919	Coro::cede;
1398
1399	# now do the right thing for maps	1920	# now do the right thing for maps
1400	$self->link_multipart_objects;	1921	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1922	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1923	unless $self->difficulty;
		1924	Coro::cede;
		1925
		1926	unless ($self->{deny_activate}) {
		1927	$self->decay_objects;
		1928	$self->fix_auto_apply;
		1929	$self->update_buttons;
		1930	Coro::cede;
		1931	$self->set_darkness_map;
		1932	Coro::cede;
1412	$self->activate;	1933	$self->activate;
1413	}	1934	}
1414		1935
1415	Coro::cede;	1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
1416		1938
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1939	$self->in_memory (cf::MAP_IN_MEMORY);
		1940	}
		1941
		1942	$self->post_load;
		1943	}
		1944
		1945	sub customise_for {
		1946	my ($self, $ob) = @_;
		1947
		1948	return find "~" . $ob->name . "/" . $self->{path}
		1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
		1953
		1954	$self
1418	}	1955	}
1419		1956
1420	# find and load all maps in the 3x3 area around a map	1957	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1958	sub load_diag {
1422	my ($map) = @_;	1959	my ($map) = @_;
…		…
1452		1989
1453	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1454	}	1991	}
1455		1992
1456	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1994	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1995
1472	sub find_async {	1996	sub find_async {
1473	my ($path, $origin) = @_;	1997	my ($path, $origin) = @_;
1474		1998
1475	$path = new cf::path $path, $origin && $origin->path;	1999	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		2000
1478	if (my $map = $cf::MAP{$key}) {	2001	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	2003	}
1481		2004
1482	$MAP_PREFETCH{$key} = $path;	2005	undef $MAP_PREFETCH{$path};
		2006	$MAP_PREFETCHER ||= cf::async {
		2007	while (%MAP_PREFETCH) {
		2008	for my $path (keys %MAP_PREFETCH) {
		2009	if (my $map = find $path) {
		2010	$map->load;
		2011	}
		2012
		2013	delete $MAP_PREFETCH{$path};
		2014	}
		2015	}
		2016	undef $MAP_PREFETCHER;
		2017	};
1483	$MAP_PREFETCHER->ready;	2018	$MAP_PREFETCHER->prio (6);
1484		2019
1485	()	2020	()
1486	}	2021	}
1487		2022
1488	sub save {	2023	sub save {
…		…
1492		2027
1493	$self->{last_save} = $cf::RUNTIME;	2028	$self->{last_save} = $cf::RUNTIME;
1494		2029
1495	return unless $self->dirty;	2030	return unless $self->dirty;
1496		2031
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2032	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2033	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2034
1500	$self->{load_path} = $save;	2035	$self->{load_path} = $save;
1501		2036
1502	return if $self->{deny_save};	2037	return if $self->{deny_save};
1503		2038
…		…
1506	cf::async {	2041	cf::async {
1507	$_->contr->save for $self->players;	2042	$_->contr->save for $self->players;
1508	};	2043	};
1509		2044
1510	if ($uniq) {	2045	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2048	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2049	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2050	}
1516	}	2051	}
1517		2052
1518	sub swap_out {	2053	sub swap_out {
1519	my ($self) = @_;	2054	my ($self) = @_;
…		…
1533		2068
1534	sub reset_at {	2069	sub reset_at {
1535	my ($self) = @_;	2070	my ($self) = @_;
1536		2071
1537	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1540		2074
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2077
…		…
1548	my ($self) = @_;	2082	my ($self) = @_;
1549		2083
1550	$self->reset_at <= $cf::RUNTIME	2084	$self->reset_at <= $cf::RUNTIME
1551	}	2085	}
1552		2086
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2087	sub reset {
1575	my ($self) = @_;	2088	my ($self) = @_;
1576		2089
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2091
1579	return if $self->players;	2092	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2093
1582	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
		2095
		2096	$self->in_memory (cf::MAP_SWAPPED);
		2097
		2098	# need to save uniques path
		2099	unless ($self->{deny_save}) {
		2100	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2101
		2102	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2103	if $uniq;
		2104	}
1583		2105
1584	delete $cf::MAP{$self->path};	2106	delete $cf::MAP{$self->path};
		2107
		2108	$self->clear;
1585		2109
1586	$_->clear_links_to ($self) for values %cf::MAP;	2110	$_->clear_links_to ($self) for values %cf::MAP;
1587		2111
1588	$self->unlink_save;	2112	$self->unlink_save;
1589	$self->destroy;	2113	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	2116	my $nuke_counter = "aaaa";
1593		2117
1594	sub nuke {	2118	sub nuke {
1595	my ($self) = @_;	2119	my ($self) = @_;
1596		2120
		2121	delete $cf::MAP{$self->path};
		2122
		2123	$self->unlink_save;
		2124
		2125	bless $self, "cf::map";
		2126	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2127	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2128	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2130
		2131	$cf::MAP{$self->path} = $self;
		2132
1600	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1601	}	2134	}
1602		2135
1603	sub customise_for {	2136	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2137
1606	if ($map->per_player) {	2138	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
1608	}	2144	[
		2145	map {
		2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
		2152	}
1609		2153
1610	$map	2154	=item $maps = cf::map::random_maps
		2155
		2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
		2158
		2159	=cut
		2160
		2161	sub random_maps() {
		2162	[
		2163	map {
		2164	utf8::decode $_;
		2165	/\.map$/
		2166	? normalise "?random/$_"
		2167	: ()
		2168	} @{ aio_readdir $RANDOMDIR or [] }
		2169	]
1611	}	2170	}
1612		2171
1613	=item cf::map::unique_maps	2172	=item cf::map::unique_maps
1614		2173
1615	Returns an arrayref of cf::path's of all shared maps that have	2174	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2175	instantiated unique items. May block.
1617		2176
1618	=cut	2177	=cut
1619		2178
1620	sub unique_maps() {	2179	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2180	[
1622	or return;	2181	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2182	utf8::decode $_;
1628	next if /\.pst$/;	2183	/\.map$/
1629	next unless /^$PATH_SEP/o;	2184	? normalise $_
1630		2185	: ()
1631	push @paths, new cf::path $_;	2186	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2187	]
1633
1634	\@paths
1635	}	2188	}
1636		2189
1637	package cf;	2190	package cf;
1638		2191
1639	=back	2192	=back
…		…
1685		2238
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2240
1688	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1690	} else {	2244	} else {
		2245	my $pl = $self->contr;
		2246
		2247	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2248	my $dialog = $pl->{npc_dialog};
		2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2250
		2251	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1693	}	2255	}
		2256	}
		2257
		2258	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2259
		2260	=cut
		2261
		2262	sub cf::object::send_msg {
		2263	my $pl = shift->contr
		2264	or return;
		2265	$pl->send_msg (@_);
1694	}	2266	}
1695		2267
1696	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1697		2269
1698	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1711		2283
1712	=item $player_object->enter_link	2284	=item $player_object->enter_link
1713		2285
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2286	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2287
1716	The player should be reaosnably safe there for short amounts of time. You	2288	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2289	I<MUST> call C<leave_link> as soon as possible, though.
1718		2290
		2291	Will never block.
		2292
1719	=item $player_object->leave_link ($map, $x, $y)	2293	=item $player_object->leave_link ($map, $x, $y)
1720		2294
1721	Moves the player out of the specila link map onto the given map. If the	2295	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2296	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2297	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2298	fails, to the emergency map position.
1725		2299
1726	Might block.	2300	Might block.
1727		2301
1728	=cut	2302	=cut
		2303
		2304	sub link_map {
		2305	unless ($LINK_MAP) {
		2306	$LINK_MAP = cf::map::find "{link}"
		2307	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2308	$LINK_MAP->load;
		2309	}
		2310
		2311	$LINK_MAP
		2312	}
1729		2313
1730	sub cf::object::player::enter_link {	2314	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2315	my ($self) = @_;
1732		2316
1733	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1734		2318
1735	return if $self->map == $LINK_MAP;	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2320
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1739		2323
1740	$self->enter_map ($LINK_MAP, 20, 20);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2325	}
1742		2326
1743	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1745		2331
1746	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1747		2333
1748	unless ($map) {	2334	unless ($map) {
1749	# restore original map position	2335	# restore original map position
…		…
1767	$map->load;	2353	$map->load;
1768	$map->load_diag;	2354	$map->load_diag;
1769		2355
1770	return unless $self->contr->active;	2356	return unless $self->contr->active;
1771	$self->activate_recursive;	2357	$self->activate_recursive;
		2358
		2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1773	}	2361	}
1774		2362
1775	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2364
1779	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1783	};	2369	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2370
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2371	=cut
		2372
		2373	our $GOTOGEN;
1810		2374
1811	sub cf::object::player::goto {	2375	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2376	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2377
1814	$path = new cf::path $path;	2378	# do generation counting so two concurrent goto's will be executed in-order
		2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2380
1816	$self->enter_link;	2381	$self->enter_link;
1817		2382
1818	(async {	2383	(async {
		2384	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
1821		2389	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2390	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2392	}
1826		2393
		2394	$map
		2395	};
		2396
		2397	if ($@) {
		2398	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2399	LOG llevError | logBacktrace, Carp::longmess $@;
		2400	}
		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1828	})->prio (1);	2408	})->prio (1);
1829	}	2409	}
1830		2410
1831	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1832		2412
…		…
1834		2414
1835	sub parse_random_map_params {	2415	sub parse_random_map_params {
1836	my ($spec) = @_;	2416	my ($spec) = @_;
1837		2417
1838	my $rmp = { # defaults	2418	my $rmp = { # defaults
1839	xsize => 10,	2419	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2420	ysize => (cf::rndm 15, 40),
		2421	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2422	#layout => string,
1841	};	2423	};
1842		2424
1843	for (split /\n/, $spec) {	2425	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2426	my ($k, $v) = split /\s+/, $_, 2;
1845		2427
…		…
1849	$rmp	2431	$rmp
1850	}	2432	}
1851		2433
1852	sub prepare_random_map {	2434	sub prepare_random_map {
1853	my ($exit) = @_;	2435	my ($exit) = @_;
		2436
		2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2438
1855	# all this does is basically replace the /! path by	2439	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2440	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2441	# that depends on the exit object
1858		2442
1859	my $rmp = parse_random_map_params $exit->msg;	2443	my $rmp = parse_random_map_params $exit->msg;
1860		2444
1861	if ($exit->map) {	2445	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2446	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2447	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2448	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2449	$rmp->{origin_y} = $exit->y;
1866	}	2450	}
1867		2451
1868	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1869		2453
1870	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
		2456	my $meta = "$RANDOMDIR/$md5.meta";
1872		2457
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2459	aio_write $fh, 0, (length $data), $data, 0;
		2460	undef $fh;
		2461	aio_rename "$meta~", $meta;
1875		2462
1876	$exit->slaying ("?random/$md5");	2463	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2464	$exit->msg (undef);
1878	}	2465	}
1879	}	2466	}
…		…
1881	sub cf::object::player::enter_exit {	2468	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2469	my ($self, $exit) = @_;
1883		2470
1884	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1885		2472
		2473	if ($exit->slaying eq "/!") {
		2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2475	# the problem is that $exit might not survive long enough
		2476	# so it needs to be done right now, right here
		2477	cf::sync_job { prepare_random_map $exit };
		2478	}
		2479
		2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2481	my $hp = $exit->stats->hp;
		2482	my $sp = $exit->stats->sp;
		2483
1886	$self->enter_link;	2484	$self->enter_link;
		2485
		2486	# if exit is damned, update players death & WoR home-position
		2487	$self->contr->savebed ($slaying, $hp, $sp)
		2488	if $exit->flag (FLAG_DAMNED);
1887		2489
1888	(async {	2490	(async {
1889	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2492	unless (eval {
1891	prepare_random_map $exit	2493	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2494
1897	1;	2495	1;
1898	}) {	2496	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2498	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2499	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2501
1904	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2503	$self->leave_link;
1906	}	2504	}
1907	})->prio (1);	2505	})->prio (1);
…		…
1920		2518
1921	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1923		2521
1924	utf8::encode $text;	2522	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2524	}
1927		2525
		2526	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2527
		2528	Send a drawinfo or msg packet to the client, formatting the msg for the
		2529	client if neccessary. C<$type> should be a string identifying the type of
		2530	the message, with C<log> being the default. If C<$color> is negative, suppress
		2531	the message unless the client supports the msg packet.
		2532
		2533	=cut
		2534
		2535	sub cf::client::send_msg {
		2536	my ($self, $channel, $msg, $color, @extra) = @_;
		2537
		2538	$msg = $self->pl->expand_cfpod ($msg);
		2539
		2540	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2541
		2542	if (ref $channel) {
		2543	# send meta info to client, if not yet sent
		2544	unless (exists $self->{channel}{$channel->{id}}) {
		2545	$self->{channel}{$channel->{id}} = $channel;
		2546	$self->ext_msg (channel_info => $channel);
		2547	}
		2548
		2549	$channel = $channel->{id};
		2550	}
		2551
		2552	return unless @extra || length $msg;
		2553
		2554	if ($self->can_msg) {
		2555	# default colour, mask it out
		2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2557	if $color & cf::NDI_DEF;
		2558
		2559	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2561	} else {
		2562	if ($color >= 0) {
		2563	# replace some tags by gcfclient-compatible ones
		2564	for ($msg) {
		2565	1 while
		2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2571	}
		2572
		2573	$color &= cf::NDI_COLOR_MASK;
		2574
		2575	utf8::encode $msg;
		2576
		2577	if (0 && $msg =~ /\[/) {
		2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	my $extcmd = $self->extcmd;
		2597
		2598	if ($extcmd == 2) {
		2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2600	} elsif ($extcmd == 1) { # TODO: remove
		2601	push @msg, msgtype => "event_$type";
		2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2603	}
		2604	}
1928		2605
1929	=item $success = $client->query ($flags, "text", \&cb)	2606	=item $success = $client->query ($flags, "text", \&cb)
1930		2607
1931	Queues a query to the client, calling the given callback with	2608	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2609	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2610	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2611
1935	Queries can fail, so check the return code. Or don't, as queries will become	2612	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2613	become reliable at some point in the future.
1937		2614
1938	=cut	2615	=cut
1939		2616
1940	sub cf::client::query {	2617	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2618	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2626	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2627	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2628
1952	$self->send_packet ($self->{query_queue}[0][0])	2629	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2630	if @{ $self->{query_queue} } == 1;
		2631
		2632	1
1954	}	2633	}
1955		2634
1956	cf::client->attach (	2635	cf::client->attach (
		2636	on_connect => sub {
		2637	my ($ns) = @_;
		2638
		2639	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2640	},
1957	on_reply => sub {	2641	on_reply => sub {
1958	my ($ns, $msg) = @_;	2642	my ($ns, $msg) = @_;
1959		2643
1960	# this weird shuffling is so that direct followup queries	2644	# this weird shuffling is so that direct followup queries
1961	# get handled first	2645	# get handled first
1962	my $queue = delete $ns->{query_queue}	2646	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2647	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2648
1965	(shift @$queue)->[1]->($msg);	2649	(shift @$queue)->[1]->($msg);
		2650	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2651
1967	push @{ $ns->{query_queue} }, @$queue;	2652	push @{ $ns->{query_queue} }, @$queue;
1968		2653
1969	if (@{ $ns->{query_queue} } == @$queue) {	2654	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2655	if (@$queue) {
…		…
1972	} else {	2657	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2658	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2659	}
1975	}	2660	}
1976	},	2661	},
		2662	on_exticmd => sub {
		2663	my ($ns, $buf) = @_;
		2664
		2665	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2666
		2667	if (ref $msg) {
		2668	my ($type, $reply, @payload) =
		2669	"ARRAY" eq ref $msg
		2670	? @$msg
		2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2672
		2673	if (my $cb = $EXTICMD{$type}) {
		2674	my @reply = $cb->($ns, @payload);
		2675
		2676	$ns->ext_reply ($reply, @reply)
		2677	if $reply;
		2678	}
		2679	} else {
		2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2681	}
		2682
		2683	cf::override;
		2684	},
1977	);	2685	);
1978		2686
1979	=item $client->async (\&cb)	2687	=item $client->async (\&cb)
1980		2688
1981	Create a new coroutine, running the specified callback. The coroutine will	2689	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	2730	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	2731	our $safe_hole = new Safe::Hole;
2024		2732
2025	$SIG{FPE} = 'IGNORE';	2733	$SIG{FPE} = 'IGNORE';
2026		2734
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2735	$safe->permit_only (Opcode::opset qw(
		2736	:base_core :base_mem :base_orig :base_math
		2737	grepstart grepwhile mapstart mapwhile
		2738	sort time
		2739	));
2028		2740
2029	# here we export the classes and methods available to script code	2741	# here we export the classes and methods available to script code
2030		2742
2031	=pod	2743	=pod
2032		2744
2033	The following fucntions and emthods are available within a safe environment:	2745	The following functions and methods are available within a safe environment:
2034		2746
2035	cf::object contr pay_amount pay_player map	2747	cf::object
		2748	contr pay_amount pay_player map x y force_find force_add
		2749	insert remove
		2750
2036	cf::object::player player	2751	cf::object::player
2037	cf::player peaceful	2752	player
2038	cf::map trigger	2753
		2754	cf::player
		2755	peaceful
		2756
		2757	cf::map
		2758	trigger
2039		2759
2040	=cut	2760	=cut
2041		2761
2042	for (	2762	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2764	insert remove inv)],
2044	["cf::object::player" => qw(player)],	2765	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2766	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2767	["cf::map" => qw(trigger)],
2047	) {	2768	) {
2048	no strict 'refs';	2769	no strict 'refs';
…		…
2119	=back	2840	=back
2120		2841
2121	=cut	2842	=cut
2122		2843
2123	#############################################################################	2844	#############################################################################
		2845	# the server's init and main functions
2124		2846
2125	=head2 EXTENSION DATABASE SUPPORT	2847	sub load_facedata($) {
		2848	my ($path) = @_;
2126		2849
2127	Crossfire maintains a very simple database for extension use. It can	2850	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2851
2131	The parameter C<$family> should best start with the name of the extension	2852	my $facedata;
2132	using it, it should be unique.	2853	0 < aio_load $path, $facedata
		2854	or die "$path: $!";
2133		2855
2134	=over 4	2856	$facedata = Coro::Storable::thaw $facedata;
2135		2857
2136	=item $hashref = cf::db_get $family	2858	$facedata->{version} == 2
		2859	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2860
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key
2143
2144	Returns a single value from the database
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}	2861	{
		2862	my $faces = $facedata->{faceinfo};
2174		2863
2175	my $pid;	2864	while (my ($face, $info) = each %$faces) {
		2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
		2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2176		2870
2177	sub db_save() {	2871	cf::cede_to_tick;
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});
2197
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {
2204	@_ >= 2
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208
2209	sub db_put($$;$) {
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2872	}
2223	);
2224	}
2225		2873
2226	#############################################################################	2874	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
		2884
		2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904	my $enc = JSON::XS->new->utf8->canonical;
		2905
		2906	my $soundconf = delete $res->{"res/sound.conf"};
		2907
		2908	while (my ($name, $info) = each %$res) {
		2909	my $meta = $enc->encode ({
		2910	name => $name,
		2911	%{ $info->{meta} || {} },
		2912	});
		2913
		2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2915
		2916	if ($info->{type} & 1) {
		2917	# prepend meta info
		2918
		2919	my $data = pack "(w/a*)*", $meta, $info->{data};
		2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2921
		2922	cf::face::set_data $idx, 0, $data, $chk;
		2923	} else {
		2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2925	}
		2926
		2927	cf::face::set_type $idx, $info->{type};
		2928
		2929	cf::cede_to_tick;
		2930	}
		2931
		2932	if ($soundconf) {
		2933	$soundconf = $enc->decode (delete $soundconf->{data});
		2934
		2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2936	my $sound = $soundconf->{compat}[$_]
		2937	or next;
		2938
		2939	my $face = cf::face::find "sound/$sound->[1]";
		2940	cf::sound::set $sound->[0] => $face;
		2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2942	}
		2943
		2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2945	my $face = cf::face::find "sound/$v";
		2946	cf::sound::set $k => $face;
		2947	}
		2948	}
		2949	}
		2950
		2951	1
		2952	}
		2953
		2954	register_exticmd fx_want => sub {
		2955	my ($ns, $want) = @_;
		2956
		2957	while (my ($k, $v) = each %$want) {
		2958	$ns->fx_want ($k, $v);
		2959	}
		2960	};
		2961
		2962	sub reload_regions {
		2963	load_resource_file "$MAPDIR/regions"
		2964	or die "unable to load regions file\n";
		2965
		2966	for (cf::region::list) {
		2967	$_->{match} = qr/$_->{match}/
		2968	if exists $_->{match};
		2969	}
		2970	}
		2971
		2972	sub reload_facedata {
		2973	load_facedata "$DATADIR/facedata"
		2974	or die "unable to load facedata\n";
		2975	}
		2976
		2977	sub reload_archetypes {
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	#d# NEED to laod twice to resolve forward references
		2981	# this really needs to be done in an extra post-pass
		2982	# (which needs to be synchronous, so solve it differently)
		2983	load_resource_file "$DATADIR/archetypes"
		2984	or die "unable to load archetypes\n";
		2985	}
		2986
		2987	sub reload_treasures {
		2988	load_resource_file "$DATADIR/treasures"
		2989	or die "unable to load treasurelists\n";
		2990	}
		2991
		2992	sub reload_resources {
		2993	warn "reloading resource files...\n";
		2994
		2995	reload_regions;
		2996	reload_facedata;
		2997	#reload_archetypes;#d#
		2998	reload_archetypes;
		2999	reload_treasures;
		3000
		3001	warn "finished reloading resource files\n";
		3002	}
		3003
		3004	sub init {
		3005	reload_resources;
		3006	}
2228		3007
2229	sub cfg_load {	3008	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3009	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3010	or return;
2232		3011
2233	local $/;	3012	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3013	*CFG = YAML::Syck::Load <$fh>;
2235		3014
…		…
2249		3028
2250	sub main {	3029	sub main {
2251	# we must not ever block the main coroutine	3030	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3031	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3032	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3033	(async {
2254	async { Event::one_event };	3034	Event::one_event;
		3035	})->prio (Coro::PRIO_MAX);
2255	};	3036	};
2256		3037
2257	cfg_load;	3038	cfg_load;
2258	db_load;	3039	db_init;
2259	load_extensions;	3040	load_extensions;
		3041
		3042	$TICK_WATCHER->start;
2260	Event::loop;	3043	Event::loop;
2261	}	3044	}
2262		3045
2263	#############################################################################	3046	#############################################################################
2264	# initialisation and cleanup	3047	# initialisation and cleanup
2265		3048
2266	# install some emergency cleanup handlers	3049	# install some emergency cleanup handlers
2267	BEGIN {	3050	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	3051	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3052	Event->signal (
		3053	reentrant => 0,
2270	data => WF_AUTOCANCEL,	3054	data => WF_AUTOCANCEL,
2271	signal => $signal,	3055	signal => $signal,
		3056	prio => 0,
2272	cb => sub {	3057	cb => sub {
2273	cf::cleanup "SIG$signal";	3058	cf::cleanup "SIG$signal";
2274	},	3059	},
2275	);	3060	);
2276	}	3061	}
2277	}	3062	}
2278		3063
		3064	sub write_runtime {
		3065	my $runtime = "$LOCALDIR/runtime";
		3066
		3067	# first touch the runtime file to show we are still running:
		3068	# the fsync below can take a very very long time.
		3069
		3070	IO::AIO::aio_utime $runtime, undef, undef;
		3071
		3072	my $guard = cf::lock_acquire "write_runtime";
		3073
		3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3075	or return;
		3076
		3077	my $value = $cf::RUNTIME + 90 + 10;
		3078	# 10 is the runtime save interval, for a monotonic clock
		3079	# 60 allows for the watchdog to kill the server.
		3080
		3081	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3082	and return;
		3083
		3084	# always fsync - this file is important
		3085	aio_fsync $fh
		3086	and return;
		3087
		3088	# touch it again to show we are up-to-date
		3089	aio_utime $fh, undef, undef;
		3090
		3091	close $fh
		3092	or return;
		3093
		3094	aio_rename "$runtime~", $runtime
		3095	and return;
		3096
		3097	warn "runtime file written.\n";
		3098
		3099	1
		3100	}
		3101
2279	sub emergency_save() {	3102	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3103	my $freeze_guard = cf::freeze_mainloop;
2281		3104
2282	warn "enter emergency perl save\n";	3105	warn "enter emergency perl save\n";
2283		3106
2284	cf::sync_job {	3107	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3108	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3109	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3110	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3111	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3112	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3113	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3114	$pl->valid or next;
2292	$pl->save;	3115	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	3121	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3122	$map->valid or next;
2300	$map->save;	3123	$map->save;
2301	}	3124	}
2302	warn "end emergency map save\n";	3125	warn "end emergency map save\n";
		3126
		3127	warn "begin emergency database checkpoint\n";
		3128	BDB::db_env_txn_checkpoint $DB_ENV;
		3129	warn "end emergency database checkpoint\n";
2303	};	3130	};
2304		3131
2305	warn "leave emergency perl save\n";	3132	warn "leave emergency perl save\n";
2306	}	3133	}
2307		3134
		3135	sub post_cleanup {
		3136	my ($make_core) = @_;
		3137
		3138	warn Carp::longmess "post_cleanup backtrace"
		3139	if $make_core;
		3140	}
		3141
2308	sub reload() {	3142	sub do_reload_perl() {
2309	# can/must only be called in main	3143	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3144	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3145	warn "can only reload from main coroutine";
2312	return;	3146	return;
2313	}	3147	}
2314		3148
2315	warn "reloading...";	3149	warn "reloading...";
2316		3150
2317	warn "freezing server";	3151	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3152
		3153	cf::sync_job {
		3154	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3155	cf::emergency_save;
		3156	cf::write_runtime; # external watchdog should not bark
2320		3157
2321	warn "sync database to disk";	3158	warn "syncing database to disk";
2322	cf::db_sync;	3159	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3160
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3161	# if anything goes wrong in here, we should simply crash as we already saved
2327		3162
2328	warn "cancel all watchers";	3163	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	3164	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3165	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	3166	}
2332		3167
		3168	warn "flushing outstanding aio requests";
		3169	for (;;) {
		3170	BDB::flush;
		3171	IO::AIO::flush;
		3172	Coro::cede;
		3173	last unless IO::AIO::nreqs || BDB::nreqs;
		3174	warn "iterate...";
		3175	}
		3176
		3177	++$RELOAD;
		3178
2333	warn "cancel all extension coros";	3179	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3180	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3181	%EXT_CORO = ();
2336		3182
2337	warn "remove commands";	3183	warn "removing commands";
2338	%COMMAND = ();	3184	%COMMAND = ();
2339		3185
2340	warn "remove ext commands";	3186	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3187	%EXTCMD = ();
		3188	%EXTICMD = ();
2342		3189
2343	warn "unload/nuke all extensions";	3190	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3191	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3192	warn "... unloading $pkg";
2346		3193
2347	if (my $cb = $pkg->can ("unload")) {	3194	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3195	eval {
…		…
2353		3200
2354	warn "... nuking $pkg";	3201	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3202	Symbol::delete_package $pkg;
2356	}	3203	}
2357		3204
2358	warn "unload all perl modules loaded from $LIBDIR";	3205	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3206	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3207	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3208
2362	warn "removing <$k>";	3209	warn "... unloading $k";
2363	delete $INC{$k};	3210	delete $INC{$k};
2364		3211
2365	$k =~ s/\.pm$//;	3212	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3213	$k =~ s/\//::/g;
2367		3214
…		…
2370	}	3217	}
2371		3218
2372	Symbol::delete_package $k;	3219	Symbol::delete_package $k;
2373	}	3220	}
2374		3221
2375	warn "get rid of safe::, as good as possible";	3222	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3223	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3225
2379	warn "unload cf.pm \"a bit\"";	3226	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3227	delete $INC{"cf.pm"};
		3228	delete $INC{"cf/pod.pm"};
2381		3229
2382	# don't, removes xs symbols, too,	3230	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3231	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3232	#Symbol::delete_package __PACKAGE__;
2385		3233
		3234	warn "unload completed, starting to reload now";
		3235
2386	warn "reloading cf.pm";	3236	warn "reloading cf.pm";
2387	require cf;	3237	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3239
2390	warn "load config and database again";	3240	warn "loading config and database again";
2391	cf::cfg_load;	3241	cf::cfg_load;
2392	cf::db_load;
2393		3242
2394	warn "load extensions";	3243	warn "loading extensions";
2395	cf::load_extensions;	3244	cf::load_extensions;
2396		3245
2397	warn "reattach attachments to objects/players";	3246	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3247	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3248	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3249	reattach $_ for values %MAP;
2401	};	3250	warn "reattaching attachments to players";
		3251	reattach $_ for values %PLAYER;
2402		3252
2403	if ($@) {	3253	warn "leaving sync_job";
		3254
		3255	1
		3256	} or do {
2404	warn $@;	3257	warn $@;
2405	warn "error while reloading, exiting.";	3258	warn "error while reloading, exiting.";
2406	exit 1;	3259	exit 1;
2407	}	3260	};
2408		3261
2409	warn "reloaded";	3262	warn "reloaded";
2410	};	3263	};
2411		3264
2412	#############################################################################	3265	our $RELOAD_WATCHER; # used only during reload
2413		3266
2414	unless ($LINK_MAP) {	3267	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3268	# doing reload synchronously and two reloads happen back-to-back,
		3269	# coro crashes during coro_state_free->destroy here.
2416		3270
2417	$LINK_MAP->width (41);	3271	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3272	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3273	after => 0,
		3274	data => WF_AUTOCANCEL,
2427	cb => sub {	3275	cb => sub {
2428	$_[0]->w->cancel;	3276	do_reload_perl;
2429		3277	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3278	},
2448		3279	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3280	}
2454		3281
2455	register_command "reload" => sub {	3282	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3283	my ($who, $arg) = @_;
2457		3284
2458	if ($who->flag (FLAG_WIZ)) {	3285	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3286	$who->message ("reloading server.");
		3287	async { reload_perl };
2462	}	3288	}
2463	};	3289	};
2464		3290
2465	unshift @INC, $LIBDIR;	3291	unshift @INC, $LIBDIR;
2466		3292
		3293	my $bug_warning = 0;
		3294
		3295	our @WAIT_FOR_TICK;
		3296	our @WAIT_FOR_TICK_BEGIN;
		3297
		3298	sub wait_for_tick {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	sub wait_for_tick_begin {
		3308	return unless $TICK_WATCHER->is_active;
		3309	return if $Coro::current == $Coro::main;
		3310
		3311	my $signal = new Coro::Signal;
		3312	push @WAIT_FOR_TICK_BEGIN, $signal;
		3313	$signal->wait;
		3314	}
		3315
		3316	my $min = 1e6;#d#
		3317	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3318	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3319	reentrant => 0,
		3320	parked => 1,
2469	prio => 0,	3321	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3322	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3323	data => WF_AUTOCANCEL,
2472	cb => sub {	3324	cb => sub {
		3325	if ($Coro::current != $Coro::main) {
		3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3327	unless ++$bug_warning > 10;
		3328	return;
		3329	}
		3330
2473	$NOW = Event::time;	3331	$NOW = $tick_start = Event::time;
2474		3332
2475	cf::server_tick; # one server iteration	3333	cf::server_tick; # one server iteration
		3334
		3335	0 && sync_job {#d#
		3336	for(1..10) {
		3337	my $t = Event::time;
		3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3339	or die;
		3340
		3341	$map->width (50);
		3342	$map->height (50);
		3343	$map->alloc;
		3344	$map->_load_objects ("/tmp/x.map", 1);
		3345	my $t = Event::time - $t;
		3346
		3347	#next unless $t < 0.0013;#d#
		3348	if ($t < $min) {
		3349	$min = $t;
		3350	}
		3351	$avg = $avg * 0.99 + $t * 0.01;
		3352	}
		3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3354	exit 0;
		3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3356	};
		3357
2476	$RUNTIME += $TICK;	3358	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3359	$NEXT_TICK += $TICK;
2478		3360
2479	$WAIT_FOR_TICK->broadcast;	3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3363	Coro::async_pool {
		3364	write_runtime
		3365	or warn "ERROR: unable to write runtime file: $!";
		3366	};
		3367	}
		3368
		3369	# my $AFTER = Event::time;
		3370	# warn $AFTER - $NOW;#d#
		3371
		3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3373	$sig->send;
		3374	}
		3375	while (my $sig = shift @WAIT_FOR_TICK) {
		3376	$sig->send;
		3377	}
		3378
		3379	$NOW = Event::time;
2481		3380
2482	# if we are delayed by four ticks or more, skip them all	3381	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3383
2485	$TICK_WATCHER->at ($NEXT_TICK);	3384	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3385	$TICK_WATCHER->start;
		3386
		3387	$LOAD = ($NOW - $tick_start) / $TICK;
		3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3389
		3390	_post_tick;
		3391
		3392
2487	},	3393	},
2488	);	3394	);
2489		3395
		3396	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3397	BDB::max_poll_time $TICK * 0.1;
2491		3398	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3399	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3400	fd => BDB::poll_fileno,
2494	poll => 'r',	3401	poll => 'r',
2495	prio => 5,	3402	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3403	data => WF_AUTOCANCEL,
2502	after => 0,	3404	cb => \&BDB::poll_cb,
2503	interval => 10,	3405	);
2504	cb => sub {	3406	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3407
2506	write_runtime	3408	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3409	my $status;
		3410	my $current = $Coro::current;
		3411	(
		3412	sub {
		3413	$status = $!;
		3414	$current->ready; undef $current;
		3415	},
		3416	sub {
		3417	Coro::schedule while defined $current;
		3418	$! = $status;
		3419	},
		3420	)
		3421	};
		3422
		3423	unless ($DB_ENV) {
		3424	$DB_ENV = BDB::db_env_create;
		3425
		3426	cf::sync_job {
		3427	eval {
		3428	BDB::db_env_open
		3429	$DB_ENV,
		3430	$BDBDIR,
		3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3433	0666;
		3434
		3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3436
		3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3438	$DB_ENV->set_lk_detect;
		3439	};
		3440
		3441	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3442	};
2509	},	3443	}
2510	);	3444	}
		3445
		3446	{
		3447	IO::AIO::min_parallel 8;
		3448
		3449	undef $Coro::AIO::WATCHER;
		3450	IO::AIO::max_poll_time $TICK * 0.1;
		3451	$AIO_POLL_WATCHER = Event->io (
		3452	reentrant => 0,
		3453	data => WF_AUTOCANCEL,
		3454	fd => IO::AIO::poll_fileno,
		3455	poll => 'r',
		3456	prio => 6,
		3457	cb => \&IO::AIO::poll_cb,
		3458	);
		3459	}
		3460
		3461	my $_log_backtrace;
		3462
		3463	sub _log_backtrace {
		3464	my ($msg, @addr) = @_;
		3465
		3466	$msg =~ s/\n//;
		3467
		3468	# limit the # of concurrent backtraces
		3469	if ($_log_backtrace < 2) {
		3470	++$_log_backtrace;
		3471	async {
		3472	my @bt = fork_call {
		3473	@addr = map { sprintf "%x", $_ } @addr;
		3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3476	or die "addr2line: $!";
		3477
		3478	my @funcs;
		3479	my @res = <$fh>;
		3480	chomp for @res;
		3481	while (@res) {
		3482	my ($func, $line) = splice @res, 0, 2, ();
		3483	push @funcs, "[$func] $line";
		3484	}
		3485
		3486	@funcs
		3487	};
		3488
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] $_\n" for @bt;
		3491	--$_log_backtrace;
		3492	};
		3493	} else {
		3494	LOG llevInfo, "[ABT] $msg\n";
		3495	LOG llevInfo, "[ABT] [suppressed]\n";
		3496	}
		3497	}
		3498
		3499	# load additional modules
		3500	use cf::pod;
2511		3501
2512	END { cf::emergency_save }	3502	END { cf::emergency_save }
2513		3503
2514	1	3504	1
2515		3505

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