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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.320 by root, Tue Jul 24 22:49:40 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	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		660
522	#############################################################################	661	#############################################################################
523		662
524	=head2 ATTACHABLE OBJECTS	663	=head2 ATTACHABLE OBJECTS
525		664
…		…
527	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")
528	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
529		668
530	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>
531	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
532	crossfire+).	671	Crossfire TRT).
533		672
534	=over 4	673	=over 4
535		674
536	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
537		676
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	791	our @CB_MAP = ();
653		792
654	my %attachment;	793	my %attachment;
655		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
656	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
658		803
659	use sort 'stable';	804	use sort 'stable';
660		805
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
695		840
696	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		845
701	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	847	my $pkg = shift @arg;
703		848
704	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
734	}	879	}
735		880
736	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
737	} else {	882	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	884	}
740		885
741	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
742	}	887	}
743		888
…		…
745	if (ref $_[0]) {	890	if (ref $_[0]) {
746	_object_attach @_;	891	_object_attach @_;
747	} else {	892	} else {
748	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
749	}	894	}
		895	_recalc_want;
750	};	896	};
751		897
752	# all those should be optimised	898	# all those should be optimised
753	sub cf::attachable::detach {	899	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
758	reattach ($obj);	904	reattach ($obj);
759	} else {	905	} else {
760	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
761	}	907	}
		908	_recalc_want;
762	};	909	};
763		910
764	sub cf::attachable::attached {	911	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
766		913
…		…
781	";	928	";
782	die if $@;	929	die if $@;
783	}	930	}
784		931
785	our $override;	932	our $override;
786	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?
787		934
788	sub override {	935	sub override {
789	$override = 1;	936	$override = 1;
790	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
791	}	938	}
792		939
793	sub do_invoke {	940	sub do_invoke {
794	my $event = shift;	941	my $event = shift;
795	my $callbacks = shift;	942	my $callbacks = shift;
796		943
797	@invoke_results = ();	944	@INVOKE_RESULTS = ();
798		945
799	local $override;	946	local $override;
800		947
801	for (@$callbacks) {	948	for (@$callbacks) {
802	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
819		966
820	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
821		968
822	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
823	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
824	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		972
826	=back	973	=back
827		974
828	=cut	975	=cut
829		976
830	#############################################################################	977	#############################################################################
831	# 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	}
832		990
833	sub reattach {	991	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		996
837	my $registry = $obj->registry;	997	my $registry = $obj->registry;
838		998
839	@$registry = ();	999	@$registry = ();
840		1000
…		…
887	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
888		1048
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	1053	close $fh;
894		1054
895	if (@$objs) {	1055	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	1061	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
903	}	1063	}
904	} else {	1064	} else {
905	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
937	or return;	1097	or return;
938	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1099	}
940		1100
941	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
943	return ($data, $av);	1103	return ($data, $av);
944	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
945		1111
946	#############################################################################	1112	#############################################################################
947	# command handling &c	1113	# command handling &c
948		1114
949	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1129	}
964		1130
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1132
967	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.
968		1138
969	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
970	called.	1140	called.
971		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
972	=cut	1153	=cut
973		1154
974	sub register_extcmd {	1155	sub register_extcmd {
975	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
976		1157
977	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
978	}	1165	}
979		1166
980	cf::player->attach (	1167	cf::player->attach (
981	on_command => sub {	1168	on_command => sub {
982	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1178	cf::override;
992	},	1179	},
993	on_extcmd => sub {	1180	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
995		1182
996	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1184
998	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
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
1001	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
1002	}	1195	if $reply;
1003	}	1196	}
1004	} else {	1197	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1199	}
1007		1200
1008	cf::override;	1201	cf::override;
1009	},	1202	},
1010	);	1203	);
1011		1204
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
1040	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1210	next unless -r $path;
1042	eval {	1211
1043	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;
1044	1	1269	}
1045	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
1046	}	1275	};
1047	}	1276	}
1048		1277
1049	#############################################################################	1278	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1279
1052	*cf::mapsupport::on_clean = sub {	1280	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1281
1065	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
1066		1283
1067	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
1068		1285
…		…
1081	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1082		1299
1083	=cut	1300	=cut
1084		1301
1085	sub playerdir($) {	1302	sub playerdir($) {
1086	cf::localdir	1303	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1305	}
1092		1306
1093	sub path($) {	1307	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1309
1096	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
1097	}	1311	}
1098		1312
1099	sub find_active($) {	1313	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
1104		1318
1105	sub exists($) {	1319	sub exists($) {
1106	my ($login) = @_;	1320	my ($login) = @_;
1107		1321
1108	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
1110	}	1324	}
1111		1325
1112	sub find($) {	1326	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1328	my $login = $_[0];
1115		1329
1116	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
1117		1331
1118	$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
1119	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
1120	or return;	1341	or return;
1121	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
1122	}	1343	}
1123	}	1344	}
…		…
1160		1381
1161	=cut	1382	=cut
1162		1383
1163	sub quit_character {	1384	sub quit_character {
1164	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1165		1388
1166	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1168		1391
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1179	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1180	}	1423	}
1181		1424
1182	=item cf::player::list_logins	1425	=item cf::player::list_logins
1183		1426
1184	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1186		1429
1187	=cut	1430	=cut
1188		1431
1189	sub list_logins {	1432	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1434	or return [];
1192		1435
1193	my @logins;	1436	my @logins;
1194		1437
1195	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1204	\@logins	1447	\@logins
1205	}	1448	}
1206		1449
1207	=item $player->maps	1450	=item $player->maps
1208		1451
1209	Returns an arrayref of cf::path's of all maps that are private for this	1452	Returns an arrayref of map paths that are private for this
1210	player. May block.	1453	player. May block.
1211		1454
1212	=cut	1455	=cut
1213		1456
1214	sub maps($) {	1457	sub maps($) {
1215	my ($pl) = @_;	1458	my ($pl) = @_;
		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1461
1217	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1218	or return;	1463	or return;
1219		1464
1220	my @paths;	1465	my @paths;
…		…
1222	for (@$files) {	1467	for (@$files) {
1223	utf8::decode $_;	1468	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1226		1471
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1472	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1473	}
1229		1474
1230	\@paths	1475	\@paths
1231	}	1476	}
1232		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1234		1529
1235	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1236		1531
1237	=cut	1532	=cut
1238		1533
1239	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1241		1536
1242	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1243		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1244	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1245	}	1544	}
1246		1545
1247	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1248		1586
1249	=back	1587	=back
1250
1251		1588
1252	=head3 cf::map	1589	=head3 cf::map
1253		1590
1254	=over 4	1591	=over 4
1255		1592
…		…
1258	package cf::map;	1595	package cf::map;
1259		1596
1260	use Fcntl;	1597	use Fcntl;
1261	use Coro::AIO;	1598	use Coro::AIO;
1262		1599
		1600	use overload
		1601	'""' => \&as_string,
		1602	fallback => 1;
		1603
1263	our $MAX_RESET = 3600;	1604	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1605	our $DEFAULT_RESET = 3000;
1265		1606
1266	sub generate_random_map {	1607	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1608	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1609	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1610	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1614	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1615	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1619	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1621	(cf::region::find $rmp->{region}), $rmp->{custom}
		1622	)
		1623	}
		1624
		1625	=item cf::map->register ($regex, $prio)
		1626
		1627	Register a handler for the map path matching the given regex at the
		1628	givne priority (higher is better, built-in handlers have priority 0, the
		1629	default).
		1630
		1631	=cut
		1632
		1633	sub register {
		1634	my (undef, $regex, $prio) = @_;
		1635	my $pkg = caller;
		1636
		1637	no strict;
		1638	push @{"$pkg\::ISA"}, __PACKAGE__;
		1639
		1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1641	}
		1642
		1643	# also paths starting with '/'
		1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1645
		1646	sub thawer_merge {
		1647	my ($self, $merge) = @_;
		1648
		1649	# we have to keep some variables in memory intact
		1650	local $self->{path};
		1651	local $self->{load_path};
		1652
		1653	$self->SUPER::thawer_merge ($merge);
		1654	}
		1655
		1656	sub normalise {
		1657	my ($path, $base) = @_;
		1658
		1659	$path = "$path"; # make sure its a string
		1660
		1661	$path =~ s/\.map$//;
		1662
		1663	# map plan:
		1664	#
		1665	# /! non-realised random map exit (special hack!)
		1666	# {... are special paths that are not being touched
		1667	# ?xxx/... are special absolute paths
		1668	# ?random/... random maps
		1669	# /... normal maps
		1670	# ~user/... per-player map of a specific user
		1671
		1672	$path =~ s/$PATH_SEP/\//go;
		1673
		1674	# treat it as relative path if it starts with
		1675	# something that looks reasonable
		1676	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1677	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1678
		1679	$base =~ s{[^/]+/?$}{};
		1680	$path = "$base/$path";
		1681	}
		1682
		1683	for ($path) {
		1684	redo if s{//}{/};
		1685	redo if s{/\.?/}{/};
		1686	redo if s{/[^/]+/\.\./}{/};
		1687	}
		1688
		1689	$path
		1690	}
		1691
		1692	sub new_from_path {
		1693	my (undef, $path, $base) = @_;
		1694
		1695	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1696
		1697	$path = normalise $path, $base;
		1698
		1699	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1700	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1701	my $self = bless cf::map::new, $pkg;
		1702	$self->{path} = $path; $self->path ($path);
		1703	$self->init; # pass $1 etc.
		1704	return $self;
		1705	}
		1706	}
		1707
		1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1709	()
		1710	}
		1711
		1712	sub init {
		1713	my ($self) = @_;
		1714
		1715	$self
		1716	}
		1717
		1718	sub as_string {
		1719	my ($self) = @_;
		1720
		1721	"$self->{path}"
		1722	}
		1723
		1724	# the displayed name, this is a one way mapping
		1725	sub visible_name {
		1726	&as_string
		1727	}
		1728
		1729	# the original (read-only) location
		1730	sub load_path {
		1731	my ($self) = @_;
		1732
		1733	"$MAPDIR/$self->{path}.map"
		1734	}
		1735
		1736	# the temporary/swap location
		1737	sub save_path {
		1738	my ($self) = @_;
		1739
		1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1741	"$TMPDIR/$path.map"
		1742	}
		1743
		1744	# the unique path, undef == no special unique path
		1745	sub uniq_path {
		1746	my ($self) = @_;
		1747
		1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1749	"$UNIQUEDIR/$path"
1283	}	1750	}
1284		1751
1285	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1286	# all maps in C++...	1753	# all maps in C++...
1287	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1289		1756
1290	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1292	}	1759	}
1293		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
		1769	sub unlink_save {
		1770	my ($self) = @_;
		1771
		1772	utf8::encode (my $save = $self->save_path);
		1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1774	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1775	}
		1776
1294	sub load_map_header($) {	1777	sub load_header_from($) {
1295	my ($path) = @_;	1778	my ($self, $path) = @_;
1296		1779
1297	utf8::encode $path;	1780	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
		1782	# or return;
		1783
		1784	$self->_load_header ($path)
1299	or return;	1785	or return;
1300		1786
1301	my $map = cf::map::new	1787	$self->{load_path} = $path;
		1788
		1789	1
		1790	}
		1791
		1792	sub load_header_orig {
		1793	my ($self) = @_;
		1794
		1795	$self->load_header_from ($self->load_path)
		1796	}
		1797
		1798	sub load_header_temp {
		1799	my ($self) = @_;
		1800
		1801	$self->load_header_from ($self->save_path)
		1802	}
		1803
		1804	sub prepare_temp {
		1805	my ($self) = @_;
		1806
		1807	$self->last_access ((delete $self->{last_access})
		1808	|| $cf::RUNTIME); #d#
		1809	# safety
		1810	$self->{instantiate_time} = $cf::RUNTIME
		1811	if $self->{instantiate_time} > $cf::RUNTIME;
		1812	}
		1813
		1814	sub prepare_orig {
		1815	my ($self) = @_;
		1816
		1817	$self->{load_original} = 1;
		1818	$self->{instantiate_time} = $cf::RUNTIME;
		1819	$self->last_access ($cf::RUNTIME);
		1820	$self->instantiate;
		1821	}
		1822
		1823	sub load_header {
		1824	my ($self) = @_;
		1825
		1826	if ($self->load_header_temp) {
		1827	$self->prepare_temp;
		1828	} else {
		1829	$self->load_header_orig
1302	or return;	1830	or return;
		1831	$self->prepare_orig;
		1832	}
1303		1833
1304	# for better error messages only, will be overwritten later	1834	$self->{deny_reset} = 1
1305	$map->path ($path);	1835	if $self->no_reset;
1306		1836
1307	$map->load_header ($path)	1837	$self->default_region (cf::region::find_by_path $self->{path})
1308	or return;	1838	unless $self->default_region;
1309		1839
1310	$map->{load_path} = $path;	1840	1
1311
1312	$map
1313	}	1841	}
1314		1842
1315	sub find;	1843	sub find;
1316	sub find {	1844	sub find {
1317	my ($path, $origin) = @_;	1845	my ($path, $origin) = @_;
1318		1846
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1847	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1848
1324	cf::lock_wait "map_find:$key";	1849	cf::lock_wait "map_find:$path";
1325		1850
1326	$cf::MAP{$key} || do {	1851	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1852	my $guard = cf::lock_acquire "map_find:$path";
1328		1853	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1854	or return;
1343		1855
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1356		1857
1357	Coro::cede;	1858	$map->load_header
		1859	or return;
1358		1860
1359	if ($map->should_reset) {	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1862	# doing this can freeze the server in a sync job, obviously
		1863	#$cf::WAIT_FOR_TICK->wait;
1360	$map->reset;	1864	$map->reset;
1361	undef $guard;	1865	undef $guard;
1362	$map = find $path	1866	return find $path;
1363	or return;
1364	}	1867	}
1365		1868
1366	$cf::MAP{$key} = $map	1869	$cf::MAP{$path} = $map
1367	}	1870	}
1368	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1369		1875
1370	sub load {	1876	sub load {
1371	my ($self) = @_;	1877	my ($self) = @_;
1372		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1373	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1884	my $guard = cf::lock_acquire "map_load:$path";
1375		1885
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1887
1378	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1379		1889
1380	$self->alloc;	1890	$self->alloc;
		1891
		1892	$self->pre_load;
		1893	Coro::cede;
		1894
1381	$self->load_objects ($self->{load_path}, 1)	1895	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1896	or return;
1383		1897
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1899	if delete $self->{load_original};
1386		1900
1387	if (my $uniq = $path->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1902	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1903	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1904	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1905	$self->_load_objects ($uniq, 0);
1392	}	1906	}
1393	}	1907	}
1394		1908
1395	Coro::cede;	1909	Coro::cede;
1396
1397	# now do the right thing for maps	1910	# now do the right thing for maps
1398	$self->link_multipart_objects;	1911	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1913	unless $self->difficulty;
		1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1410	$self->activate;	1923	$self->activate;
1411	}	1924	}
1412		1925
1413	Coro::cede;
1414
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1926	$self->in_memory (cf::MAP_IN_MEMORY);
		1927	}
		1928
		1929	$self->post_load;
		1930	}
		1931
		1932	sub customise_for {
		1933	my ($self, $ob) = @_;
		1934
		1935	return find "~" . $ob->name . "/" . $self->{path}
		1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
		1940
		1941	$self
1416	}	1942	}
1417		1943
1418	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1945	sub load_diag {
1420	my ($map) = @_;	1946	my ($map) = @_;
…		…
1450		1976
1451	cf::sync_job { $map->load };	1977	cf::sync_job { $map->load };
1452	}	1978	}
1453		1979
1454	our %MAP_PREFETCH;	1980	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1981	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1982
1470	sub find_async {	1983	sub find_async {
1471	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1472		1985
1473	$path = new cf::path $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1987
1476	if (my $map = $cf::MAP{$key}) {	1988	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1990	}
1479		1991
1480	$MAP_PREFETCH{$key} = $path;	1992	undef $MAP_PREFETCH{$path};
		1993	$MAP_PREFETCHER ||= cf::async {
		1994	while (%MAP_PREFETCH) {
		1995	for my $path (keys %MAP_PREFETCH) {
		1996	if (my $map = find $path) {
		1997	$map->load;
		1998	}
		1999
		2000	delete $MAP_PREFETCH{$path};
		2001	}
		2002	}
		2003	undef $MAP_PREFETCHER;
		2004	};
1481	$MAP_PREFETCHER->ready;	2005	$MAP_PREFETCHER->prio (6);
1482		2006
1483	()	2007	()
1484	}	2008	}
1485		2009
1486	sub save {	2010	sub save {
…		…
1490		2014
1491	$self->{last_save} = $cf::RUNTIME;	2015	$self->{last_save} = $cf::RUNTIME;
1492		2016
1493	return unless $self->dirty;	2017	return unless $self->dirty;
1494		2018
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2019	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2020	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2021
1498	$self->{load_path} = $save;	2022	$self->{load_path} = $save;
1499		2023
1500	return if $self->{deny_save};	2024	return if $self->{deny_save};
1501		2025
…		…
1504	cf::async {	2028	cf::async {
1505	$_->contr->save for $self->players;	2029	$_->contr->save for $self->players;
1506	};	2030	};
1507		2031
1508	if ($uniq) {	2032	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2035	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2037	}
1514	}	2038	}
1515		2039
1516	sub swap_out {	2040	sub swap_out {
1517	my ($self) = @_;	2041	my ($self) = @_;
…		…
1531		2055
1532	sub reset_at {	2056	sub reset_at {
1533	my ($self) = @_;	2057	my ($self) = @_;
1534		2058
1535	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1538		2061
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2064
…		…
1546	my ($self) = @_;	2069	my ($self) = @_;
1547		2070
1548	$self->reset_at <= $cf::RUNTIME	2071	$self->reset_at <= $cf::RUNTIME
1549	}	2072	}
1550		2073
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2074	sub reset {
1573	my ($self) = @_;	2075	my ($self) = @_;
1574		2076
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2078
1577	return if $self->players;	2079	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2080
1580	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
		2082
		2083	$self->in_memory (cf::MAP_SWAPPED);
		2084
		2085	# need to save uniques path
		2086	unless ($self->{deny_save}) {
		2087	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2088
		2089	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2090	if $uniq;
		2091	}
1581		2092
1582	delete $cf::MAP{$self->path};	2093	delete $cf::MAP{$self->path};
		2094
		2095	$self->clear;
1583		2096
1584	$_->clear_links_to ($self) for values %cf::MAP;	2097	$_->clear_links_to ($self) for values %cf::MAP;
1585		2098
1586	$self->unlink_save;	2099	$self->unlink_save;
1587	$self->destroy;	2100	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	2103	my $nuke_counter = "aaaa";
1591		2104
1592	sub nuke {	2105	sub nuke {
1593	my ($self) = @_;	2106	my ($self) = @_;
1594		2107
		2108	delete $cf::MAP{$self->path};
		2109
		2110	$self->unlink_save;
		2111
		2112	bless $self, "cf::map";
		2113	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2114	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2115	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2117
		2118	$cf::MAP{$self->path} = $self;
		2119
1598	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1599	}	2121	}
1600		2122
1601	sub customise_for {	2123	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2124
1604	if ($map->per_player) {	2125	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
1606	}	2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
1607		2140
1608	$map	2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
1609	}	2157	}
1610		2158
1611	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1612		2160
1613	Returns an arrayref of cf::path's of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2162	instantiated unique items. May block.
1615		2163
1616	=cut	2164	=cut
1617		2165
1618	sub unique_maps() {	2166	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1620	or return;	2168	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2169	utf8::decode $_;
1626	next if /\.pst$/;	2170	/\.map$/
1627	next unless /^$PATH_SEP/o;	2171	? normalise $_
1628		2172	: ()
1629	push @paths, new cf::path $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2174	]
1631
1632	\@paths
1633	}	2175	}
1634		2176
1635	package cf;	2177	package cf;
1636		2178
1637	=back	2179	=back
…		…
1683		2225
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2227
1686	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1688	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1691	}	2242	}
1692	}	2243	}
1693		2244
1694	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1695		2246
…		…
1709		2260
1710	=item $player_object->enter_link	2261	=item $player_object->enter_link
1711		2262
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2263	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2264
1714	The player should be reaosnably safe there for short amounts of time. You	2265	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	2266	I<MUST> call C<leave_link> as soon as possible, though.
1716		2267
		2268	Will never block.
		2269
1717	=item $player_object->leave_link ($map, $x, $y)	2270	=item $player_object->leave_link ($map, $x, $y)
1718		2271
1719	Moves the player out of the specila link map onto the given map. If the	2272	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2273	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2274	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2275	fails, to the emergency map position.
1723		2276
1724	Might block.	2277	Might block.
1725		2278
1726	=cut	2279	=cut
		2280
		2281	sub link_map {
		2282	unless ($LINK_MAP) {
		2283	$LINK_MAP = cf::map::find "{link}"
		2284	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2285	$LINK_MAP->load;
		2286	}
		2287
		2288	$LINK_MAP
		2289	}
1727		2290
1728	sub cf::object::player::enter_link {	2291	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2292	my ($self) = @_;
1730		2293
1731	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1732		2295
1733	return if $self->map == $LINK_MAP;	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2297
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1737		2300
1738	$self->enter_map ($LINK_MAP, 20, 20);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2302	}
1740		2303
1741	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1743		2308
1744	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1745		2310
1746	unless ($map) {	2311	unless ($map) {
1747	# restore original map position	2312	# restore original map position
…		…
1765	$map->load;	2330	$map->load;
1766	$map->load_diag;	2331	$map->load_diag;
1767		2332
1768	return unless $self->contr->active;	2333	return unless $self->contr->active;
1769	$self->activate_recursive;	2334	$self->activate_recursive;
		2335
		2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1771	}	2338	}
1772		2339
1773	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2341
1777	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1781	};	2346	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2347
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1808		2351
1809	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2354
1812	$path = new cf::path $path;	2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2357
1814	$self->enter_link;	2358	$self->enter_link;
1815		2359
1816	(async {	2360	(async {
		2361	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
1819		2366	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2367	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
1824		2370
		2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
		2377	}
		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1826	})->prio (1);	2385	})->prio (1);
1827	}	2386	}
1828		2387
1829	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1830		2389
…		…
1832		2391
1833	sub parse_random_map_params {	2392	sub parse_random_map_params {
1834	my ($spec) = @_;	2393	my ($spec) = @_;
1835		2394
1836	my $rmp = { # defaults	2395	my $rmp = { # defaults
1837	xsize => 10,	2396	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2397	ysize => (cf::rndm 15, 40),
		2398	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2399	#layout => string,
1839	};	2400	};
1840		2401
1841	for (split /\n/, $spec) {	2402	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2403	my ($k, $v) = split /\s+/, $_, 2;
1843		2404
…		…
1847	$rmp	2408	$rmp
1848	}	2409	}
1849		2410
1850	sub prepare_random_map {	2411	sub prepare_random_map {
1851	my ($exit) = @_;	2412	my ($exit) = @_;
		2413
		2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2415
1853	# all this does is basically replace the /! path by	2416	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2417	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2418	# that depends on the exit object
1856		2419
1857	my $rmp = parse_random_map_params $exit->msg;	2420	my $rmp = parse_random_map_params $exit->msg;
1858		2421
1859	if ($exit->map) {	2422	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2423	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2424	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2425	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2426	$rmp->{origin_y} = $exit->y;
1864	}	2427	}
1865		2428
1866	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1867		2430
1868	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
		2433	my $meta = "$RANDOMDIR/$md5.meta";
1870		2434
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
		2437	undef $fh;
		2438	aio_rename "$meta~", $meta;
1873		2439
1874	$exit->slaying ("?random/$md5");	2440	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2441	$exit->msg (undef);
1876	}	2442	}
1877	}	2443	}
…		…
1879	sub cf::object::player::enter_exit {	2445	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2446	my ($self, $exit) = @_;
1881		2447
1882	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1883		2449
		2450	if ($exit->slaying eq "/!") {
		2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
		2454	cf::sync_job { prepare_random_map $exit };
		2455	}
		2456
		2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2458	my $hp = $exit->stats->hp;
		2459	my $sp = $exit->stats->sp;
		2460
1884	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1885		2466
1886	(async {	2467	(async {
1887	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2469	unless (eval {
1889	prepare_random_map $exit	2470	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2471
1895	1;	2472	1;
1896	}) {	2473	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2478
1902	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2480	$self->leave_link;
1904	}	2481	}
1905	})->prio (1);	2482	})->prio (1);
…		…
1918		2495
1919	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1921		2498
1922	utf8::encode $text;	2499	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2501	}
1925		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
		2569	push @msg, msgtype => "event_$type";
		2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
		2572	}
1926		2573
1927	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
1928		2575
1929	Queues a query to the client, calling the given callback with	2576	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2579
1933	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2581	become reliable at some point in the future.
1935		2582
1936	=cut	2583	=cut
1937		2584
1938	sub cf::client::query {	2585	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2594	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2596
1950	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
1952	}	2601	}
1953		2602
1954	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
1955	on_reply => sub {	2609	on_reply => sub {
1956	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
1957		2611
1958	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
1959	# get handled first	2613	# get handled first
1960	my $queue = delete $ns->{query_queue}	2614	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2615	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2616
1963	(shift @$queue)->[1]->($msg);	2617	(shift @$queue)->[1]->($msg);
		2618	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2619
1965	push @{ $ns->{query_queue} }, @$queue;	2620	push @{ $ns->{query_queue} }, @$queue;
1966		2621
1967	if (@{ $ns->{query_queue} } == @$queue) {	2622	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2623	if (@$queue) {
…		…
1970	} else {	2625	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2627	}
1973	}	2628	}
1974	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
1975	);	2653	);
1976		2654
1977	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
1978		2656
1979	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2026		2704
2027	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2028		2706
2029	=pod	2707	=pod
2030		2708
2031	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2032		2710
2033	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2034	cf::object::player player	2715	cf::object::player
2035	cf::player peaceful	2716	player
2036	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2037		2723
2038	=cut	2724	=cut
2039		2725
2040	for (	2726	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2042	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2045	) {	2732	) {
2046	no strict 'refs';	2733	no strict 'refs';
…		…
2117	=back	2804	=back
2118		2805
2119	=cut	2806	=cut
2120		2807
2121	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
2122		2810
2123	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
2124		2813
2125	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
2126	currently store anything that can be serialised using Storable, which
2127	excludes objects.
2128		2815
2129	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
2130	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
2131		2819
2132	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
2133		2821
2134	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2135		2824
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key
2141
2142	Returns a single value from the database
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2172		2827
2173	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2174		2834
2175	sub db_save() {	2835	cf::cede_to_tick;
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});
2195
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {
2202	@_ >= 2
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206
2207	sub db_put($$;$) {
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2836	}
2221	);
2222	}
2223		2837
2224	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	if (my $soundconf = delete $res->{"res/sound.conf"}) {
		2871	$soundconf = $enc->decode (delete $soundconf->{data});
		2872	# todo
		2873	}
		2874
		2875	while (my ($name, $info) = each %$res) {
		2876	my $meta = $enc->encode ({
		2877	name => $name,
		2878	%{ $info->{meta} || {} },
		2879	});
		2880
		2881	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2882
		2883	if ($info->{type} & 1) {
		2884	# prepend meta info
		2885
		2886	my $data = pack "(w/a*)*", $meta, $info->{data};
		2887	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2888
		2889	cf::face::set_data $idx, 0, $data, $chk;
		2890	} else {
		2891	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2892	}
		2893
		2894	cf::face::set_type $idx, $info->{type};
		2895
		2896	cf::cede_to_tick;
		2897	}
		2898	}
		2899
		2900	1
		2901	}
		2902
		2903	register_exticmd fx_want => sub {
		2904	my ($ns, $want) = @_;
		2905
		2906	while (my ($k, $v) = each %$want) {
		2907	$ns->fx_want ($k, $v);
		2908	}
		2909	};
		2910
		2911	sub reload_regions {
		2912	load_resource_file "$MAPDIR/regions"
		2913	or die "unable to load regions file\n";
		2914
		2915	for (cf::region::list) {
		2916	$_->{match} = qr/$_->{match}/
		2917	if exists $_->{match};
		2918	}
		2919	}
		2920
		2921	sub reload_facedata {
		2922	load_facedata "$DATADIR/facedata"
		2923	or die "unable to load facedata\n";
		2924	}
		2925
		2926	sub reload_archetypes {
		2927	load_resource_file "$DATADIR/archetypes"
		2928	or die "unable to load archetypes\n";
		2929	#d# NEED to laod twice to resolve forward references
		2930	# this really needs to be done in an extra post-pass
		2931	# (which needs to be synchronous, so solve it differently)
		2932	load_resource_file "$DATADIR/archetypes"
		2933	or die "unable to load archetypes\n";
		2934	}
		2935
		2936	sub reload_treasures {
		2937	load_resource_file "$DATADIR/treasures"
		2938	or die "unable to load treasurelists\n";
		2939	}
		2940
		2941	sub reload_resources {
		2942	warn "reloading resource files...\n";
		2943
		2944	reload_regions;
		2945	reload_facedata;
		2946	#reload_archetypes;#d#
		2947	reload_archetypes;
		2948	reload_treasures;
		2949
		2950	warn "finished reloading resource files\n";
		2951	}
		2952
		2953	sub init {
		2954	reload_resources;
		2955	}
2226		2956
2227	sub cfg_load {	2957	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2958	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2959	or return;
2230		2960
2231	local $/;	2961	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2962	*CFG = YAML::Syck::Load <$fh>;
2233		2963
…		…
2247		2977
2248	sub main {	2978	sub main {
2249	# we must not ever block the main coroutine	2979	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2980	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2981	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2982	(async {
2252	async { Event::one_event };	2983	Event::one_event;
		2984	})->prio (Coro::PRIO_MAX);
2253	};	2985	};
2254		2986
2255	cfg_load;	2987	cfg_load;
2256	db_load;	2988	db_init;
2257	load_extensions;	2989	load_extensions;
		2990
		2991	$TICK_WATCHER->start;
2258	Event::loop;	2992	Event::loop;
2259	}	2993	}
2260		2994
2261	#############################################################################	2995	#############################################################################
2262	# initialisation and cleanup	2996	# initialisation and cleanup
2263		2997
2264	# install some emergency cleanup handlers	2998	# install some emergency cleanup handlers
2265	BEGIN {	2999	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	3000	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3001	Event->signal (
		3002	reentrant => 0,
2268	data => WF_AUTOCANCEL,	3003	data => WF_AUTOCANCEL,
2269	signal => $signal,	3004	signal => $signal,
		3005	prio => 0,
2270	cb => sub {	3006	cb => sub {
2271	cf::cleanup "SIG$signal";	3007	cf::cleanup "SIG$signal";
2272	},	3008	},
2273	);	3009	);
2274	}	3010	}
2275	}	3011	}
2276		3012
		3013	sub write_runtime {
		3014	my $runtime = "$LOCALDIR/runtime";
		3015
		3016	# first touch the runtime file to show we are still running:
		3017	# the fsync below can take a very very long time.
		3018
		3019	IO::AIO::aio_utime $runtime, undef, undef;
		3020
		3021	my $guard = cf::lock_acquire "write_runtime";
		3022
		3023	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3024	or return;
		3025
		3026	my $value = $cf::RUNTIME + 90 + 10;
		3027	# 10 is the runtime save interval, for a monotonic clock
		3028	# 60 allows for the watchdog to kill the server.
		3029
		3030	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3031	and return;
		3032
		3033	# always fsync - this file is important
		3034	aio_fsync $fh
		3035	and return;
		3036
		3037	# touch it again to show we are up-to-date
		3038	aio_utime $fh, undef, undef;
		3039
		3040	close $fh
		3041	or return;
		3042
		3043	aio_rename "$runtime~", $runtime
		3044	and return;
		3045
		3046	warn "runtime file written.\n";
		3047
		3048	1
		3049	}
		3050
2277	sub emergency_save() {	3051	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3052	my $freeze_guard = cf::freeze_mainloop;
2279		3053
2280	warn "enter emergency perl save\n";	3054	warn "enter emergency perl save\n";
2281		3055
2282	cf::sync_job {	3056	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	3057	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3058	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3059	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3060	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	3061	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3062	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3063	$pl->valid or next;
2290	$pl->save;	3064	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	3070	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3071	$map->valid or next;
2298	$map->save;	3072	$map->save;
2299	}	3073	}
2300	warn "end emergency map save\n";	3074	warn "end emergency map save\n";
		3075
		3076	warn "begin emergency database checkpoint\n";
		3077	BDB::db_env_txn_checkpoint $DB_ENV;
		3078	warn "end emergency database checkpoint\n";
2301	};	3079	};
2302		3080
2303	warn "leave emergency perl save\n";	3081	warn "leave emergency perl save\n";
2304	}	3082	}
2305		3083
		3084	sub post_cleanup {
		3085	my ($make_core) = @_;
		3086
		3087	warn Carp::longmess "post_cleanup backtrace"
		3088	if $make_core;
		3089	}
		3090
2306	sub reload() {	3091	sub do_reload_perl() {
2307	# can/must only be called in main	3092	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3093	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3094	warn "can only reload from main coroutine";
2310	return;	3095	return;
2311	}	3096	}
2312		3097
2313	warn "reloading...";	3098	warn "reloading...";
2314		3099
2315	warn "freezing server";	3100	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3101
		3102	cf::sync_job {
		3103	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	3104	cf::emergency_save;
		3105	cf::write_runtime; # external watchdog should not bark
2318		3106
2319	warn "sync database to disk";	3107	warn "syncing database to disk";
2320	cf::db_sync;	3108	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3109
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3110	# if anything goes wrong in here, we should simply crash as we already saved
2325		3111
2326	warn "cancel all watchers";	3112	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	3113	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3114	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	3115	}
2330		3116
		3117	warn "flushing outstanding aio requests";
		3118	for (;;) {
		3119	BDB::flush;
		3120	IO::AIO::flush;
		3121	Coro::cede;
		3122	last unless IO::AIO::nreqs || BDB::nreqs;
		3123	warn "iterate...";
		3124	}
		3125
		3126	++$RELOAD;
		3127
2331	warn "cancel all extension coros";	3128	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3129	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3130	%EXT_CORO = ();
2334		3131
2335	warn "remove commands";	3132	warn "removing commands";
2336	%COMMAND = ();	3133	%COMMAND = ();
2337		3134
2338	warn "remove ext commands";	3135	warn "removing ext/exti commands";
2339	%EXTCMD = ();	3136	%EXTCMD = ();
		3137	%EXTICMD = ();
2340		3138
2341	warn "unload/nuke all extensions";	3139	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3140	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3141	warn "... unloading $pkg";
2344		3142
2345	if (my $cb = $pkg->can ("unload")) {	3143	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3144	eval {
…		…
2351		3149
2352	warn "... nuking $pkg";	3150	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	3151	Symbol::delete_package $pkg;
2354	}	3152	}
2355		3153
2356	warn "unload all perl modules loaded from $LIBDIR";	3154	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3155	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3156	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3157
2360	warn "removing <$k>";	3158	warn "... unloading $k";
2361	delete $INC{$k};	3159	delete $INC{$k};
2362		3160
2363	$k =~ s/\.pm$//;	3161	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3162	$k =~ s/\//::/g;
2365		3163
…		…
2368	}	3166	}
2369		3167
2370	Symbol::delete_package $k;	3168	Symbol::delete_package $k;
2371	}	3169	}
2372		3170
2373	warn "get rid of safe::, as good as possible";	3171	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3172	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3173	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3174
2377	warn "unload cf.pm \"a bit\"";	3175	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3176	delete $INC{"cf.pm"};
		3177	delete $INC{"cf/pod.pm"};
2379		3178
2380	# don't, removes xs symbols, too,	3179	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3180	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3181	#Symbol::delete_package __PACKAGE__;
2383		3182
		3183	warn "unload completed, starting to reload now";
		3184
2384	warn "reloading cf.pm";	3185	warn "reloading cf.pm";
2385	require cf;	3186	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3187	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3188
2388	warn "load config and database again";	3189	warn "loading config and database again";
2389	cf::cfg_load;	3190	cf::cfg_load;
2390	cf::db_load;
2391		3191
2392	warn "load extensions";	3192	warn "loading extensions";
2393	cf::load_extensions;	3193	cf::load_extensions;
2394		3194
2395	warn "reattach attachments to objects/players";	3195	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3196	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3197	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3198	reattach $_ for values %MAP;
2399	};	3199	warn "reattaching attachments to players";
		3200	reattach $_ for values %PLAYER;
2400		3201
2401	if ($@) {	3202	warn "leaving sync_job";
		3203
		3204	1
		3205	} or do {
2402	warn $@;	3206	warn $@;
2403	warn "error while reloading, exiting.";	3207	warn "error while reloading, exiting.";
2404	exit 1;	3208	exit 1;
2405	}	3209	};
2406		3210
2407	warn "reloaded";	3211	warn "reloaded";
2408	};	3212	};
2409		3213
2410	#############################################################################	3214	our $RELOAD_WATCHER; # used only during reload
2411		3215
2412	unless ($LINK_MAP) {	3216	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	3217	# doing reload synchronously and two reloads happen back-to-back,
		3218	# coro crashes during coro_state_free->destroy here.
2414		3219
2415	$LINK_MAP->width (41);	3220	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3221	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3222	after => 0,
		3223	data => WF_AUTOCANCEL,
2425	cb => sub {	3224	cb => sub {
2426	$_[0]->w->cancel;	3225	do_reload_perl;
2427		3226	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3227	},
2446		3228	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3229	}
2452		3230
2453	register_command "reload" => sub {	3231	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3232	my ($who, $arg) = @_;
2455		3233
2456	if ($who->flag (FLAG_WIZ)) {	3234	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3235	$who->message ("reloading server.");
		3236	async { reload_perl };
2460	}	3237	}
2461	};	3238	};
2462		3239
2463	unshift @INC, $LIBDIR;	3240	unshift @INC, $LIBDIR;
2464		3241
		3242	my $bug_warning = 0;
		3243
		3244	our @WAIT_FOR_TICK;
		3245	our @WAIT_FOR_TICK_BEGIN;
		3246
		3247	sub wait_for_tick {
		3248	return unless $TICK_WATCHER->is_active;
		3249	return if $Coro::current == $Coro::main;
		3250
		3251	my $signal = new Coro::Signal;
		3252	push @WAIT_FOR_TICK, $signal;
		3253	$signal->wait;
		3254	}
		3255
		3256	sub wait_for_tick_begin {
		3257	return unless $TICK_WATCHER->is_active;
		3258	return if $Coro::current == $Coro::main;
		3259
		3260	my $signal = new Coro::Signal;
		3261	push @WAIT_FOR_TICK_BEGIN, $signal;
		3262	$signal->wait;
		3263	}
		3264
		3265	my $min = 1e6;#d#
		3266	my $avg = 10;
2465	$TICK_WATCHER = Event->timer (	3267	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3268	reentrant => 0,
		3269	parked => 1,
2467	prio => 0,	3270	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3271	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3272	data => WF_AUTOCANCEL,
2470	cb => sub {	3273	cb => sub {
		3274	if ($Coro::current != $Coro::main) {
		3275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3276	unless ++$bug_warning > 10;
		3277	return;
		3278	}
		3279
		3280	$NOW = $tick_start = Event::time;
		3281
2471	cf::server_tick; # one server iteration	3282	cf::server_tick; # one server iteration
		3283
		3284	0 && sync_job {#d#
		3285	for(1..10) {
		3286	my $t = Event::time;
		3287	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3288	or die;
		3289
		3290	$map->width (50);
		3291	$map->height (50);
		3292	$map->alloc;
		3293	$map->_load_objects ("/tmp/x.map", 1);
		3294	my $t = Event::time - $t;
		3295
		3296	#next unless $t < 0.0013;#d#
		3297	if ($t < $min) {
		3298	$min = $t;
		3299	}
		3300	$avg = $avg * 0.99 + $t * 0.01;
		3301	}
		3302	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3303	exit 0;
		3304	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3305	};
		3306
2472	$RUNTIME += $TICK;	3307	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3308	$NEXT_TICK += $TICK;
2474		3309
2475	$WAIT_FOR_TICK->broadcast;	3310	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3311	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3312	Coro::async_pool {
		3313	write_runtime
		3314	or warn "ERROR: unable to write runtime file: $!";
		3315	};
		3316	}
		3317
		3318	# my $AFTER = Event::time;
		3319	# warn $AFTER - $NOW;#d#
		3320
		3321	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3322	$sig->send;
		3323	}
		3324	while (my $sig = shift @WAIT_FOR_TICK) {
		3325	$sig->send;
		3326	}
		3327
		3328	$NOW = Event::time;
2477		3329
2478	# if we are delayed by four ticks or more, skip them all	3330	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3331	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3332
2481	$TICK_WATCHER->at ($NEXT_TICK);	3333	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	3334	$TICK_WATCHER->start;
		3335
		3336	$LOAD = ($NOW - $tick_start) / $TICK;
		3337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3338
		3339	_post_tick;
		3340
		3341
2483	},	3342	},
2484	);	3343	);
2485		3344
		3345	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	3346	BDB::max_poll_time $TICK * 0.1;
2487		3347	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3348	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3349	fd => BDB::poll_fileno,
2490	poll => 'r',	3350	poll => 'r',
2491	prio => 5,	3351	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3352	data => WF_AUTOCANCEL,
2498	after => 0,	3353	cb => \&BDB::poll_cb,
2499	interval => 10,	3354	);
2500	cb => sub {	3355	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3356
2502	write_runtime	3357	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	3358	my $status;
		3359	my $current = $Coro::current;
		3360	(
		3361	sub {
		3362	$status = $!;
		3363	$current->ready; undef $current;
		3364	},
		3365	sub {
		3366	Coro::schedule while defined $current;
		3367	$! = $status;
		3368	},
		3369	)
		3370	};
		3371
		3372	unless ($DB_ENV) {
		3373	$DB_ENV = BDB::db_env_create;
		3374
		3375	cf::sync_job {
		3376	eval {
		3377	BDB::db_env_open
		3378	$DB_ENV,
		3379	$BDBDIR,
		3380	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3381	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3382	0666;
		3383
		3384	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3385
		3386	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3387	$DB_ENV->set_lk_detect;
		3388	};
		3389
		3390	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	3391	};
2505	},	3392	}
2506	);	3393	}
		3394
		3395	{
		3396	IO::AIO::min_parallel 8;
		3397
		3398	undef $Coro::AIO::WATCHER;
		3399	IO::AIO::max_poll_time $TICK * 0.1;
		3400	$AIO_POLL_WATCHER = Event->io (
		3401	reentrant => 0,
		3402	data => WF_AUTOCANCEL,
		3403	fd => IO::AIO::poll_fileno,
		3404	poll => 'r',
		3405	prio => 6,
		3406	cb => \&IO::AIO::poll_cb,
		3407	);
		3408	}
		3409
		3410	my $_log_backtrace;
		3411
		3412	sub _log_backtrace {
		3413	my ($msg, @addr) = @_;
		3414
		3415	$msg =~ s/\n//;
		3416
		3417	# limit the # of concurrent backtraces
		3418	if ($_log_backtrace < 2) {
		3419	++$_log_backtrace;
		3420	async {
		3421	my @bt = fork_call {
		3422	@addr = map { sprintf "%x", $_ } @addr;
		3423	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3424	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3425	or die "addr2line: $!";
		3426
		3427	my @funcs;
		3428	my @res = <$fh>;
		3429	chomp for @res;
		3430	while (@res) {
		3431	my ($func, $line) = splice @res, 0, 2, ();
		3432	push @funcs, "[$func] $line";
		3433	}
		3434
		3435	@funcs
		3436	};
		3437
		3438	LOG llevInfo, "[ABT] $msg\n";
		3439	LOG llevInfo, "[ABT] $_\n" for @bt;
		3440	--$_log_backtrace;
		3441	};
		3442	} else {
		3443	LOG llevInfo, "[ABT] $msg\n";
		3444	LOG llevInfo, "[ABT] [suppressed]\n";
		3445	}
		3446	}
		3447
		3448	# load additional modules
		3449	use cf::pod;
2507		3450
2508	END { cf::emergency_save }	3451	END { cf::emergency_save }
2509		3452
2510	1	3453	1
2511		3454

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