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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.323 by root, Sat Jul 28 12:02:58 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
42		59
		60	our $RELOAD; # number of reloads so far
43	our @EVENT;	61	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		62
46	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	79	our $NEXT_TICK;
49	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
50		85
51	our %CFG;	86	our %CFG;
52		87
53	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	89	our $RUNTIME;
55		90
56	our %PLAYER; # all users	91	our %PLAYER; # all users
57	our %MAP; # all maps	92	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		94
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
63		101
64	binmode STDOUT;	102	binmode STDOUT;
65	binmode STDERR;	103	binmode STDERR;
66		104
67	# read virtual server time, if available	105	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
72	}	110	}
73		111
74	mkdir cf::localdir;	112	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		114
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
83		118
84	#############################################################################	119	#############################################################################
85		120
86	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
87		122
…		…
94	=item $cf::RUNTIME	129	=item $cf::RUNTIME
95		130
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	132	every server tick.
98		133
99	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		137
101	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
103		142
104	=item $cf::NOW	143	=item $cf::NOW
105		144
106	The time of the last (current) server tick.	145	The time of the last (current) server tick.
107		146
108	=item $cf::TICK	147	=item $cf::TICK
109		148
110	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
111		160
112	=item %cf::CFG	161	=item %cf::CFG
113		162
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	164	from wherever your confdir points to.
116		165
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		167
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
123		177
124	=back	178	=back
125		179
126	=cut	180	=cut
127		181
128	BEGIN {	182	BEGIN {
129	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	184	my $msg = join "", @_;
131	utf8::encode $msg;
132		185
133	$msg .= "\n"	186	$msg .= "\n"
134	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
135		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
136	LOG llevError, $msg;	192	LOG llevError, $msg;
137	};	193	};
138	}	194	}
139		195
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		203
147	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	205	# within the Safe compartment.
149	for my $pkg (qw(	206	for my $pkg (qw(
150	cf::global cf::attachable	207	cf::global cf::attachable
…		…
158	}	215	}
159		216
160	$Event::DIED = sub {	217	$Event::DIED = sub {
161	warn "error in event callback: @_";	218	warn "error in event callback: @_";
162	};	219	};
		220
		221	#############################################################################
163		222
164	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
165		224
166	=over 4	225	=over 4
167		226
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	246	$d
188	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
189	}	248	}
190		249
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
194		251
195	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
196		253
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
205		255
206	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
207		257
208	=cut	258	=cut
209		259
210	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
212	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
214		264
215	=item cf::lock_wait $string	265	=item cf::lock_wait $string
216		266
217	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
218		268
…		…
224	returned.	274	returned.
225		275
226	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
228		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
229	=cut	283	=cut
230		284
231	our %LOCK;	285	our %LOCK;
232		286
233	sub lock_wait($) {	287	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
254	}	308	}
255	}	309	}
256		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
257	sub freeze_mainloop {	317	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
259		319
260	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
261	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
262	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
263	}	381	}
264		382
265	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
266		384
267	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		390
273	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
274		392
275	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
276		394
277	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
280		399
281	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
284	fast or be very important.	403	fast or be very important.
…		…
287		406
288	sub sync_job(&) {	407	sub sync_job(&) {
289	my ($job) = @_;	408	my ($job) = @_;
290		409
291	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
292	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
294		415
295	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
307		428
308	while ($busy) {	429	while ($busy) {
309	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
310	}	431	}
311		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
312	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
313	} else {	441	} else {
314	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
315		443
316	$job->()	444	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
336		464
337	$coro	465	$coro
338	}	466	}
339		467
340	sub write_runtime {	468	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		469
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
344	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
345		474
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		476
350	aio_fsync $fh	477	sub _store_scalar {
351	and return;	478	open my $fh, ">", \my $buf
352		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
353	close $fh	481	close $fh;
354	or return;
355		482
356	aio_rename "$runtime~", $runtime	483	$buf
357	and return;	484	}
358		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
359	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	655	}
361		656
362	=back	657	=back
363		658
364	=cut	659	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		660
493	#############################################################################	661	#############################################################################
494		662
495	=head2 ATTACHABLE OBJECTS	663	=head2 ATTACHABLE OBJECTS
496		664
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
500		668
501	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	671	Crossfire TRT).
504		672
505	=over 4	673	=over 4
506		674
507	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
508		676
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	791	our @CB_MAP = ();
624		792
625	my %attachment;	793	my %attachment;
626		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
627	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
629		803
630	use sort 'stable';	804	use sort 'stable';
631		805
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
666		840
667	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		845
672	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	847	my $pkg = shift @arg;
674		848
675	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
705	}	879	}
706		880
707	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
708	} else {	882	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	884	}
711		885
712	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
713	}	887	}
714		888
…		…
716	if (ref $_[0]) {	890	if (ref $_[0]) {
717	_object_attach @_;	891	_object_attach @_;
718	} else {	892	} else {
719	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
720	}	894	}
		895	_recalc_want;
721	};	896	};
722		897
723	# all those should be optimised	898	# all those should be optimised
724	sub cf::attachable::detach {	899	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
729	reattach ($obj);	904	reattach ($obj);
730	} else {	905	} else {
731	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
732	}	907	}
		908	_recalc_want;
733	};	909	};
734		910
735	sub cf::attachable::attached {	911	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
737		913
…		…
752	";	928	";
753	die if $@;	929	die if $@;
754	}	930	}
755		931
756	our $override;	932	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		934
759	sub override {	935	sub override {
760	$override = 1;	936	$override = 1;
761	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
762	}	938	}
763		939
764	sub do_invoke {	940	sub do_invoke {
765	my $event = shift;	941	my $event = shift;
766	my $callbacks = shift;	942	my $callbacks = shift;
767		943
768	@invoke_results = ();	944	@INVOKE_RESULTS = ();
769		945
770	local $override;	946	local $override;
771		947
772	for (@$callbacks) {	948	for (@$callbacks) {
773	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
790		966
791	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
792		968
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		972
797	=back	973	=back
798		974
799	=cut	975	=cut
800		976
801	#############################################################################	977	#############################################################################
802	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
803		990
804	sub reattach {	991	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		996
808	my $registry = $obj->registry;	997	my $registry = $obj->registry;
809		998
810	@$registry = ();	999	@$registry = ();
811		1000
…		…
858	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
859		1048
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1053	close $fh;
865		1054
866	if (@$objs) {	1055	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1061	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
874	}	1063	}
875	} else {	1064	} else {
876	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
908	or return;	1097	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1099	}
911		1100
912	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1103	return ($data, $av);
915	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
916		1111
917	#############################################################################	1112	#############################################################################
918	# command handling &c	1113	# command handling &c
919		1114
920	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1129	}
935		1130
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1132
938	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
939		1138
940	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
941	called.	1140	called.
942		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
943	=cut	1153	=cut
944		1154
945	sub register_extcmd {	1155	sub register_extcmd {
946	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
947		1157
948	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
949	}	1165	}
950		1166
951	cf::player->attach (	1167	cf::player->attach (
952	on_command => sub {	1168	on_command => sub {
953	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1178	cf::override;
963	},	1179	},
964	on_extcmd => sub {	1180	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
966		1182
967	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1184
969	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
972	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
973	}	1195	if $reply;
974	}	1196	}
975	} else {	1197	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1199	}
978		1200
979	cf::override;	1201	cf::override;
980	},	1202	},
981	);	1203	);
982		1204
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "... loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
1011	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1210	next unless -r $path;
1013	eval {	1211
1014	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
1015	1	1269	}
1016	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
1017	}	1275	};
1018	}	1276	}
1019		1277
1020	#############################################################################	1278	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1279
1023	*cf::mapsupport::on_clean = sub {	1280	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1281
1036	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
1037		1283
1038	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
1039		1285
…		…
1052	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1053		1299
1054	=cut	1300	=cut
1055		1301
1056	sub playerdir($) {	1302	sub playerdir($) {
1057	cf::localdir	1303	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1305	}
1063		1306
1064	sub path($) {	1307	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1309
1067	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
1068	}	1311	}
1069		1312
1070	sub find_active($) {	1313	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
1075		1318
1076	sub exists($) {	1319	sub exists($) {
1077	my ($login) = @_;	1320	my ($login) = @_;
1078		1321
1079	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
1081	}	1324	}
1082		1325
1083	sub find($) {	1326	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1328	my $login = $_[0];
1086		1329
1087	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
1088		1331
1089	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
1090	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
1091	or return;	1341	or return;
1092	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
1093	}	1343	}
1094	}	1344	}
…		…
1131		1381
1132	=cut	1382	=cut
1133		1383
1134	sub quit_character {	1384	sub quit_character {
1135	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1136		1388
1137	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1138	$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
1139		1391
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1149	$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
1150	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;
1151	}	1423	}
1152		1424
1153	=item cf::player::list_logins	1425	=item cf::player::list_logins
1154		1426
1155	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
1156	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1157		1429
1158	=cut	1430	=cut
1159		1431
1160	sub list_logins {	1432	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1434	or return [];
1163		1435
1164	my @logins;	1436	my @logins;
1165		1437
1166	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1175	\@logins	1447	\@logins
1176	}	1448	}
1177		1449
1178	=item $player->maps	1450	=item $player->maps
1179		1451
1180	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
1181	player. May block.	1453	player. May block.
1182		1454
1183	=cut	1455	=cut
1184		1456
1185	sub maps($) {	1457	sub maps($) {
1186	my ($pl) = @_;	1458	my ($pl) = @_;
		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1461
1188	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1189	or return;	1463	or return;
1190		1464
1191	my @paths;	1465	my @paths;
…		…
1193	for (@$files) {	1467	for (@$files) {
1194	utf8::decode $_;	1468	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1197		1471
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1472	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1473	}
1200		1474
1201	\@paths	1475	\@paths
1202	}	1476	}
1203		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
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1205		1529
1206	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1207		1531
1208	=cut	1532	=cut
1209		1533
1210	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1212		1536
1213	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1214		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1215	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1216	}	1544	}
1217		1545
1218	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		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	}
1219		1586
1220	=back	1587	=back
1221
1222		1588
1223	=head3 cf::map	1589	=head3 cf::map
1224		1590
1225	=over 4	1591	=over 4
1226		1592
…		…
1229	package cf::map;	1595	package cf::map;
1230		1596
1231	use Fcntl;	1597	use Fcntl;
1232	use Coro::AIO;	1598	use Coro::AIO;
1233		1599
		1600	use overload
		1601	'""' => \&as_string,
		1602	fallback => 1;
		1603
1234	our $MAX_RESET = 3600;	1604	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1605	our $DEFAULT_RESET = 3000;
1236		1606
1237	sub generate_random_map {	1607	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1608	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1609	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1610	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1614	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1615	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$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},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(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"
1254	}	1750	}
1255		1751
1256	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1257	# all maps in C++...	1753	# all maps in C++...
1258	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1260		1756
1261	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1263	}	1759	}
1264		1760
		1761	sub decay_objects {
		1762	my ($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
1265	sub try_load_header($) {	1777	sub load_header_from($) {
1266	my ($path) = @_;	1778	my ($self, $path) = @_;
1267		1779
1268	utf8::encode $path;	1780	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
		1782	# or return;
		1783
		1784	$self->_load_header ($path)
1270	or return;	1785	or return;
1271		1786
1272	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
1273	or return;	1830	or return;
		1831	$self->prepare_orig;
		1832	}
1274		1833
1275	# for better error messages only, will be overwritten	1834	$self->{deny_reset} = 1
1276	$map->path ($path);	1835	if $self->no_reset;
1277		1836
1278	$map->load_header ($path)	1837	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1838	unless $self->default_region;
1280		1839
1281	$map->{load_path} = $path;	1840	1
1282
1283	$map
1284	}	1841	}
1285		1842
1286	sub find;	1843	sub find;
1287	sub find {	1844	sub find {
1288	my ($path, $origin) = @_;	1845	my ($path, $origin) = @_;
1289		1846
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1847	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1848
1295	cf::lock_wait "map_find:$key";	1849	cf::lock_wait "map_find:$path";
1296		1850
1297	$cf::MAP{$key} || do {	1851	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1852	my $guard = cf::lock_acquire "map_find:$path";
1299		1853	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1854	or return;
1319		1855
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1332		1857
1333	Coro::cede;	1858	$map->load_header
		1859	or return;
1334		1860
1335	if ($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;
1336	$map->reset;	1864	$map->reset;
1337	undef $guard;	1865	undef $guard;
1338	$map = find $path	1866	return find $path;
1339	or return;
1340	}	1867	}
1341		1868
1342	$cf::MAP{$key} = $map	1869	$cf::MAP{$path} = $map
1343	}	1870	}
1344	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1345		1875
1346	sub load {	1876	sub load {
1347	my ($self) = @_;	1877	my ($self) = @_;
1348		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1349	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1884	my $guard = cf::lock_acquire "map_load:$path";
1351		1885
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1887
1354	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1355		1889
1356	$self->alloc;	1890	$self->alloc;
		1891
		1892	$self->pre_load;
		1893	Coro::cede;
		1894
1357	$self->load_objects ($self->{load_path}, 1)	1895	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1896	or return;
1359		1897
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1899	if delete $self->{load_original};
1362		1900
1363	if (my $uniq = $path->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1902	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1903	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1904	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1905	$self->_load_objects ($uniq, 0);
1368	}	1906	}
1369	}	1907	}
1370		1908
1371	Coro::cede;	1909	Coro::cede;
1372
1373	# now do the right thing for maps	1910	# now do the right thing for maps
1374	$self->link_multipart_objects;	1911	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1385	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;
1386	$self->activate;	1923	$self->activate;
1387	}	1924	}
1388		1925
1389	Coro::cede;
1390
1391	$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	$self
1392	}	1942	}
1393		1943
1394	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1945	sub load_diag {
1396	my ($map) = @_;	1946	my ($map) = @_;
…		…
1426		1976
1427	cf::sync_job { $map->load };	1977	cf::sync_job { $map->load };
1428	}	1978	}
1429		1979
1430	our %MAP_PREFETCH;	1980	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1981	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1982
1446	sub find_async {	1983	sub find_async {
1447	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1448		1985
1449	$path = new cf::path $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1987
1452	if (my $map = $cf::MAP{$key}) {	1988	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1990	}
1455		1991
1456	$MAP_PREFETCH{$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	};
1457	$MAP_PREFETCHER->ready;	2005	$MAP_PREFETCHER->prio (6);
1458		2006
1459	()	2007	()
1460	}	2008	}
1461		2009
1462	sub save {	2010	sub save {
…		…
1466		2014
1467	$self->{last_save} = $cf::RUNTIME;	2015	$self->{last_save} = $cf::RUNTIME;
1468		2016
1469	return unless $self->dirty;	2017	return unless $self->dirty;
1470		2018
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2019	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2020	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2021
1474	$self->{load_path} = $save;	2022	$self->{load_path} = $save;
1475		2023
1476	return if $self->{deny_save};	2024	return if $self->{deny_save};
1477		2025
…		…
1480	cf::async {	2028	cf::async {
1481	$_->contr->save for $self->players;	2029	$_->contr->save for $self->players;
1482	};	2030	};
1483		2031
1484	if ($uniq) {	2032	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2035	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2037	}
1490	}	2038	}
1491		2039
1492	sub swap_out {	2040	sub swap_out {
1493	my ($self) = @_;	2041	my ($self) = @_;
…		…
1507		2055
1508	sub reset_at {	2056	sub reset_at {
1509	my ($self) = @_;	2057	my ($self) = @_;
1510		2058
1511	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1514		2061
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2064
…		…
1522	my ($self) = @_;	2069	my ($self) = @_;
1523		2070
1524	$self->reset_at <= $cf::RUNTIME	2071	$self->reset_at <= $cf::RUNTIME
1525	}	2072	}
1526		2073
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2074	sub reset {
1549	my ($self) = @_;	2075	my ($self) = @_;
1550		2076
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2078
1553	return if $self->players;	2079	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2080
1556	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	}
1557		2092
1558	delete $cf::MAP{$self->path};	2093	delete $cf::MAP{$self->path};
		2094
		2095	$self->clear;
1559		2096
1560	$_->clear_links_to ($self) for values %cf::MAP;	2097	$_->clear_links_to ($self) for values %cf::MAP;
1561		2098
1562	$self->unlink_save;	2099	$self->unlink_save;
1563	$self->destroy;	2100	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2103	my $nuke_counter = "aaaa";
1567		2104
1568	sub nuke {	2105	sub nuke {
1569	my ($self) = @_;	2106	my ($self) = @_;
1570		2107
		2108	delete $cf::MAP{$self->path};
		2109
		2110	$self->unlink_save;
		2111
		2112	bless $self, "cf::map";
		2113	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2114	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2115	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2117
		2118	$cf::MAP{$self->path} = $self;
		2119
1574	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1575	}	2121	}
1576		2122
1577	sub customise_for {	2123	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2124
1580	if ($map->per_player) {	2125	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
1582	}	2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
1583		2140
1584	$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	]
1585	}	2157	}
1586		2158
1587	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1588		2160
1589	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
1590	instantiated unique items. May block.	2162	instantiated unique items. May block.
1591		2163
1592	=cut	2164	=cut
1593		2165
1594	sub unique_maps() {	2166	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1596	or return;	2168	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2169	utf8::decode $_;
1602	next if /\.pst$/;	2170	/\.map$/
1603	next unless /^$PATH_SEP/o;	2171	? normalise $_
1604		2172	: ()
1605	push @paths, new cf::path $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2174	]
1607
1608	\@paths
1609	}	2175	}
1610		2176
1611	package cf;	2177	package cf;
1612		2178
1613	=back	2179	=back
…		…
1659		2225
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2227
1662	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1664	} 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 {
1665	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1667	}	2242	}
1668	}	2243	}
1669		2244
1670	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1671		2246
…		…
1685		2260
1686	=item $player_object->enter_link	2261	=item $player_object->enter_link
1687		2262
1688	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}>).
1689		2264
1690	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
1691	I<MUST> call C<leave_link> as soon as possible, though.	2266	I<MUST> call C<leave_link> as soon as possible, though.
1692		2267
		2268	Will never block.
		2269
1693	=item $player_object->leave_link ($map, $x, $y)	2270	=item $player_object->leave_link ($map, $x, $y)
1694		2271
1695	Moves the player out of the specila link map onto the given map. If the	2272	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2273	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2274	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2275	fails, to the emergency map position.
1699		2276
1700	Might block.	2277	Might block.
1701		2278
1702	=cut	2279	=cut
		2280
		2281	sub link_map {
		2282	unless ($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	$LINK_MAP
		2289	}
1703		2290
1704	sub cf::object::player::enter_link {	2291	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2292	my ($self) = @_;
1706		2293
1707	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1708		2295
1709	return if $self->map == $LINK_MAP;	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2297
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1713		2300
1714	$self->enter_map ($LINK_MAP, 20, 20);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2302	}
1716		2303
1717	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1719		2308
1720	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1721		2310
1722	unless ($map) {	2311	unless ($map) {
1723	# restore original map position	2312	# restore original map position
…		…
1741	$map->load;	2330	$map->load;
1742	$map->load_diag;	2331	$map->load_diag;
1743		2332
1744	return unless $self->contr->active;	2333	return unless $self->contr->active;
1745	$self->activate_recursive;	2334	$self->activate_recursive;
		2335
		2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1747	}	2338	}
1748		2339
1749	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2341
1753	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1757	};	2346	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2347
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1784		2351
1785	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2354
1788	$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;
1789		2357
1790	$self->enter_link;	2358	$self->enter_link;
1791		2359
1792	(async {	2360	(async {
		2361	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
1795		2366	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2367	} else {
1797	# if $map;
1798
1799	$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	}
1800		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};
1801	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1802	})->prio (1);	2385	})->prio (1);
1803	}	2386	}
1804		2387
1805	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1806		2389
…		…
1808		2391
1809	sub parse_random_map_params {	2392	sub parse_random_map_params {
1810	my ($spec) = @_;	2393	my ($spec) = @_;
1811		2394
1812	my $rmp = { # defaults	2395	my $rmp = { # defaults
1813	xsize => 10,	2396	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2397	ysize => (cf::rndm 15, 40),
		2398	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2399	#layout => string,
1815	};	2400	};
1816		2401
1817	for (split /\n/, $spec) {	2402	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2403	my ($k, $v) = split /\s+/, $_, 2;
1819		2404
…		…
1823	$rmp	2408	$rmp
1824	}	2409	}
1825		2410
1826	sub prepare_random_map {	2411	sub prepare_random_map {
1827	my ($exit) = @_;	2412	my ($exit) = @_;
		2413
		2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2415
1829	# all this does is basically replace the /! path by	2416	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2417	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2418	# that depends on the exit object
1832		2419
1833	my $rmp = parse_random_map_params $exit->msg;	2420	my $rmp = parse_random_map_params $exit->msg;
1834		2421
1835	if ($exit->map) {	2422	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2423	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2424	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2425	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2426	$rmp->{origin_y} = $exit->y;
1840	}	2427	}
1841		2428
1842	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1843		2430
1844	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
		2433	my $meta = "$RANDOMDIR/$md5.meta";
1846		2434
1847	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) {
1848	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;
1849		2439
1850	$exit->slaying ("?random/$md5");	2440	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2441	$exit->msg (undef);
1852	}	2442	}
1853	}	2443	}
…		…
1855	sub cf::object::player::enter_exit {	2445	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2446	my ($self, $exit) = @_;
1857		2447
1858	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1859		2449
		2450	if ($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
1860	$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);
1861		2466
1862	(async {	2467	(async {
1863	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2469	unless (eval {
1865	prepare_random_map $exit	2470	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2471
1871	1;	2472	1;
1872	}) {	2473	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "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. "
1875	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2478
1878	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2480	$self->leave_link;
1880	}	2481	}
1881	})->prio (1);	2482	})->prio (1);
…		…
1894		2495
1895	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1897		2498
1898	utf8::encode $text;	2499	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2501	}
1901		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_CLIENT_MASK; # 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	# default colour, mask it out
		2533	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2534	if $color & cf::NDI_DEF;
		2535
		2536	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2537	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2538	} else {
		2539	if ($color >= 0) {
		2540	# replace some tags by gcfclient-compatible ones
		2541	for ($msg) {
		2542	1 while
		2543	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2544	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2545	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2546	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2547	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2548	}
		2549
		2550	$color &= cf::NDI_COLOR_MASK;
		2551
		2552	if (0 && $msg =~ /\[/) {
		2553	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2554	} else {
		2555	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2556	$self->send_packet ("drawinfo $color $msg")
		2557	}
		2558	}
		2559	}
		2560	}
		2561
		2562	=item $client->ext_msg ($type, @msg)
		2563
		2564	Sends an ext event to the client.
		2565
		2566	=cut
		2567
		2568	sub cf::client::ext_msg($$@) {
		2569	my ($self, $type, @msg) = @_;
		2570
		2571	my $extcmd = $self->extcmd;
		2572
		2573	if ($extcmd == 2) {
		2574	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2575	} elsif ($extcmd == 1) { # TODO: remove
		2576	push @msg, msgtype => "event_$type";
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2578	}
		2579	}
1902		2580
1903	=item $success = $client->query ($flags, "text", \&cb)	2581	=item $success = $client->query ($flags, "text", \&cb)
1904		2582
1905	Queues a query to the client, calling the given callback with	2583	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2584	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2585	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2586
1909	Queries can fail, so check the return code. Or don't, as queries will become	2587	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2588	become reliable at some point in the future.
1911		2589
1912	=cut	2590	=cut
1913		2591
1914	sub cf::client::query {	2592	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2593	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2601	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2602	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2603
1926	$self->send_packet ($self->{query_queue}[0][0])	2604	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2605	if @{ $self->{query_queue} } == 1;
		2606
		2607	1
1928	}	2608	}
1929		2609
1930	cf::client->attach (	2610	cf::client->attach (
		2611	on_connect => sub {
		2612	my ($ns) = @_;
		2613
		2614	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2615	},
1931	on_reply => sub {	2616	on_reply => sub {
1932	my ($ns, $msg) = @_;	2617	my ($ns, $msg) = @_;
1933		2618
1934	# this weird shuffling is so that direct followup queries	2619	# this weird shuffling is so that direct followup queries
1935	# get handled first	2620	# get handled first
1936	my $queue = delete $ns->{query_queue}	2621	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2622	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2623
1939	(shift @$queue)->[1]->($msg);	2624	(shift @$queue)->[1]->($msg);
		2625	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2626
1941	push @{ $ns->{query_queue} }, @$queue;	2627	push @{ $ns->{query_queue} }, @$queue;
1942		2628
1943	if (@{ $ns->{query_queue} } == @$queue) {	2629	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2630	if (@$queue) {
…		…
1946	} else {	2632	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2633	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2634	}
1949	}	2635	}
1950	},	2636	},
		2637	on_exticmd => sub {
		2638	my ($ns, $buf) = @_;
		2639
		2640	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2641
		2642	if (ref $msg) {
		2643	my ($type, $reply, @payload) =
		2644	"ARRAY" eq ref $msg
		2645	? @$msg
		2646	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2647
		2648	if (my $cb = $EXTICMD{$type}) {
		2649	my @reply = $cb->($ns, @payload);
		2650
		2651	$ns->ext_reply ($reply, @reply)
		2652	if $reply;
		2653	}
		2654	} else {
		2655	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2656	}
		2657
		2658	cf::override;
		2659	},
1951	);	2660	);
1952		2661
1953	=item $client->async (\&cb)	2662	=item $client->async (\&cb)
1954		2663
1955	Create a new coroutine, running the specified callback. The coroutine will	2664	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2711
2003	# here we export the classes and methods available to script code	2712	# here we export the classes and methods available to script code
2004		2713
2005	=pod	2714	=pod
2006		2715
2007	The following fucntions and emthods are available within a safe environment:	2716	The following functions and methods are available within a safe environment:
2008		2717
2009	cf::object contr pay_amount pay_player map	2718	cf::object
		2719	contr pay_amount pay_player map x y force_find force_add
		2720	insert remove
		2721
2010	cf::object::player player	2722	cf::object::player
2011	cf::player peaceful	2723	player
2012	cf::map trigger	2724
		2725	cf::player
		2726	peaceful
		2727
		2728	cf::map
		2729	trigger
2013		2730
2014	=cut	2731	=cut
2015		2732
2016	for (	2733	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2734	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2735	insert remove)],
2018	["cf::object::player" => qw(player)],	2736	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2737	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2738	["cf::map" => qw(trigger)],
2021	) {	2739	) {
2022	no strict 'refs';	2740	no strict 'refs';
…		…
2093	=back	2811	=back
2094		2812
2095	=cut	2813	=cut
2096		2814
2097	#############################################################################	2815	#############################################################################
		2816	# the server's init and main functions
2098		2817
2099	=head2 EXTENSION DATABASE SUPPORT	2818	sub load_facedata($) {
		2819	my ($path) = @_;
2100		2820
2101	Crossfire maintains a very simple database for extension use. It can	2821	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2822
2105	The parameter C<$family> should best start with the name of the extension	2823	my $facedata;
2106	using it, it should be unique.	2824	0 < aio_load $path, $facedata
		2825	or die "$path: $!";
2107		2826
2108	=over 4	2827	$facedata = Coro::Storable::thaw $facedata;
2109		2828
2110	=item $hashref = cf::db_get $family	2829	$facedata->{version} == 2
		2830	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2831
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key
2117
2118	Returns a single value from the database
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}	2832	{
		2833	my $faces = $facedata->{faceinfo};
2148		2834
2149	my $pid;	2835	while (my ($face, $info) = each %$faces) {
		2836	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2837	cf::face::set_visibility $idx, $info->{visibility};
		2838	cf::face::set_magicmap $idx, $info->{magicmap};
		2839	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2840	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2150		2841
2151	sub db_save() {	2842	cf::cede_to_tick;
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2843	}
2197	);
2198	}
2199		2844
2200	#############################################################################	2845	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2846	next unless $info->{smooth};
		2847	my $idx = cf::face::find $face
		2848	or next;
		2849	if (my $smooth = cf::face::find $info->{smooth}) {
		2850	cf::face::set_smooth $idx, $smooth;
		2851	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2852	} else {
		2853	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2854	}
		2855
		2856	cf::cede_to_tick;
		2857	}
		2858	}
		2859
		2860	{
		2861	my $anims = $facedata->{animinfo};
		2862
		2863	while (my ($anim, $info) = each %$anims) {
		2864	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2865	cf::cede_to_tick;
		2866	}
		2867
		2868	cf::anim::invalidate_all; # d'oh
		2869	}
		2870
		2871	{
		2872	# TODO: for gcfclient pleasure, we should give resources
		2873	# that gcfclient doesn't grok a >10000 face index.
		2874	my $res = $facedata->{resource};
		2875	my $enc = JSON::XS->new->utf8->canonical;
		2876
		2877	my $soundconf = delete $res->{"res/sound.conf"};
		2878
		2879	while (my ($name, $info) = each %$res) {
		2880	my $meta = $enc->encode ({
		2881	name => $name,
		2882	%{ $info->{meta} || {} },
		2883	});
		2884
		2885	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2886
		2887	if ($info->{type} & 1) {
		2888	# prepend meta info
		2889
		2890	my $data = pack "(w/a*)*", $meta, $info->{data};
		2891	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2892
		2893	cf::face::set_data $idx, 0, $data, $chk;
		2894	} else {
		2895	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2896	}
		2897
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911
		2912	cf::sound::set $sound->[0] => $face;
		2913	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2914	}
		2915
		2916	#TODO
		2917	}
		2918	}
		2919
		2920	1
		2921	}
		2922
		2923	register_exticmd fx_want => sub {
		2924	my ($ns, $want) = @_;
		2925
		2926	while (my ($k, $v) = each %$want) {
		2927	$ns->fx_want ($k, $v);
		2928	}
		2929	};
		2930
		2931	sub reload_regions {
		2932	load_resource_file "$MAPDIR/regions"
		2933	or die "unable to load regions file\n";
		2934
		2935	for (cf::region::list) {
		2936	$_->{match} = qr/$_->{match}/
		2937	if exists $_->{match};
		2938	}
		2939	}
		2940
		2941	sub reload_facedata {
		2942	load_facedata "$DATADIR/facedata"
		2943	or die "unable to load facedata\n";
		2944	}
		2945
		2946	sub reload_archetypes {
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
		2949	#d# NEED to laod twice to resolve forward references
		2950	# this really needs to be done in an extra post-pass
		2951	# (which needs to be synchronous, so solve it differently)
		2952	load_resource_file "$DATADIR/archetypes"
		2953	or die "unable to load archetypes\n";
		2954	}
		2955
		2956	sub reload_treasures {
		2957	load_resource_file "$DATADIR/treasures"
		2958	or die "unable to load treasurelists\n";
		2959	}
		2960
		2961	sub reload_resources {
		2962	warn "reloading resource files...\n";
		2963
		2964	reload_regions;
		2965	reload_facedata;
		2966	#reload_archetypes;#d#
		2967	reload_archetypes;
		2968	reload_treasures;
		2969
		2970	warn "finished reloading resource files\n";
		2971	}
		2972
		2973	sub init {
		2974	reload_resources;
		2975	}
2202		2976
2203	sub cfg_load {	2977	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2978	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2979	or return;
2206		2980
2207	local $/;	2981	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2982	*CFG = YAML::Syck::Load <$fh>;
2209		2983
…		…
2223		2997
2224	sub main {	2998	sub main {
2225	# we must not ever block the main coroutine	2999	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3000	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3001	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3002	(async {
2228	async { Event::one_event };	3003	Event::one_event;
		3004	})->prio (Coro::PRIO_MAX);
2229	};	3005	};
2230		3006
2231	cfg_load;	3007	cfg_load;
2232	db_load;	3008	db_init;
2233	load_extensions;	3009	load_extensions;
		3010
		3011	$TICK_WATCHER->start;
2234	Event::loop;	3012	Event::loop;
2235	}	3013	}
2236		3014
2237	#############################################################################	3015	#############################################################################
2238	# initialisation and cleanup	3016	# initialisation and cleanup
2239		3017
2240	# install some emergency cleanup handlers	3018	# install some emergency cleanup handlers
2241	BEGIN {	3019	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3020	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3021	Event->signal (
		3022	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3023	data => WF_AUTOCANCEL,
2245	signal => $signal,	3024	signal => $signal,
		3025	prio => 0,
2246	cb => sub {	3026	cb => sub {
2247	cf::cleanup "SIG$signal";	3027	cf::cleanup "SIG$signal";
2248	},	3028	},
2249	);	3029	);
2250	}	3030	}
2251	}	3031	}
2252		3032
		3033	sub write_runtime {
		3034	my $runtime = "$LOCALDIR/runtime";
		3035
		3036	# first touch the runtime file to show we are still running:
		3037	# the fsync below can take a very very long time.
		3038
		3039	IO::AIO::aio_utime $runtime, undef, undef;
		3040
		3041	my $guard = cf::lock_acquire "write_runtime";
		3042
		3043	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3044	or return;
		3045
		3046	my $value = $cf::RUNTIME + 90 + 10;
		3047	# 10 is the runtime save interval, for a monotonic clock
		3048	# 60 allows for the watchdog to kill the server.
		3049
		3050	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3051	and return;
		3052
		3053	# always fsync - this file is important
		3054	aio_fsync $fh
		3055	and return;
		3056
		3057	# touch it again to show we are up-to-date
		3058	aio_utime $fh, undef, undef;
		3059
		3060	close $fh
		3061	or return;
		3062
		3063	aio_rename "$runtime~", $runtime
		3064	and return;
		3065
		3066	warn "runtime file written.\n";
		3067
		3068	1
		3069	}
		3070
2253	sub emergency_save() {	3071	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3072	my $freeze_guard = cf::freeze_mainloop;
2255		3073
2256	warn "enter emergency perl save\n";	3074	warn "enter emergency perl save\n";
2257		3075
2258	cf::sync_job {	3076	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3077	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3078	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3079	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3080	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3081	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3082	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3083	$pl->valid or next;
2266	$pl->save;	3084	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3090	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3091	$map->valid or next;
2274	$map->save;	3092	$map->save;
2275	}	3093	}
2276	warn "end emergency map save\n";	3094	warn "end emergency map save\n";
		3095
		3096	warn "begin emergency database checkpoint\n";
		3097	BDB::db_env_txn_checkpoint $DB_ENV;
		3098	warn "end emergency database checkpoint\n";
2277	};	3099	};
2278		3100
2279	warn "leave emergency perl save\n";	3101	warn "leave emergency perl save\n";
2280	}	3102	}
2281		3103
		3104	sub post_cleanup {
		3105	my ($make_core) = @_;
		3106
		3107	warn Carp::longmess "post_cleanup backtrace"
		3108	if $make_core;
		3109	}
		3110
2282	sub reload() {	3111	sub do_reload_perl() {
2283	# can/must only be called in main	3112	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3113	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3114	warn "can only reload from main coroutine";
2286	return;	3115	return;
2287	}	3116	}
2288		3117
2289	warn "reloading...";	3118	warn "reloading...";
2290		3119
2291	warn "freezing server";	3120	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3121
		3122	cf::sync_job {
		3123	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3124	cf::emergency_save;
		3125	cf::write_runtime; # external watchdog should not bark
2294		3126
2295	warn "sync database to disk";	3127	warn "syncing database to disk";
2296	cf::db_sync;	3128	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3129
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3130	# if anything goes wrong in here, we should simply crash as we already saved
2301		3131
2302	warn "cancel all watchers";	3132	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3133	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3134	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3135	}
2306		3136
		3137	warn "flushing outstanding aio requests";
		3138	for (;;) {
		3139	BDB::flush;
		3140	IO::AIO::flush;
		3141	Coro::cede;
		3142	last unless IO::AIO::nreqs || BDB::nreqs;
		3143	warn "iterate...";
		3144	}
		3145
		3146	++$RELOAD;
		3147
2307	warn "cancel all extension coros";	3148	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3149	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3150	%EXT_CORO = ();
2310		3151
2311	warn "remove commands";	3152	warn "removing commands";
2312	%COMMAND = ();	3153	%COMMAND = ();
2313		3154
2314	warn "remove ext commands";	3155	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3156	%EXTCMD = ();
		3157	%EXTICMD = ();
2316		3158
2317	warn "unload/nuke all extensions";	3159	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3160	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	3161	warn "... unloading $pkg";
2320		3162
2321	if (my $cb = $pkg->can ("unload")) {	3163	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3164	eval {
…		…
2327		3169
2328	warn "... nuking $pkg";	3170	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	3171	Symbol::delete_package $pkg;
2330	}	3172	}
2331		3173
2332	warn "unload all perl modules loaded from $LIBDIR";	3174	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	3175	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		3177
2336	warn "removing <$k>";	3178	warn "... unloading $k";
2337	delete $INC{$k};	3179	delete $INC{$k};
2338		3180
2339	$k =~ s/\.pm$//;	3181	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	3182	$k =~ s/\//::/g;
2341		3183
…		…
2344	}	3186	}
2345		3187
2346	Symbol::delete_package $k;	3188	Symbol::delete_package $k;
2347	}	3189	}
2348		3190
2349	warn "get rid of safe::, as good as possible";	3191	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3192	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3194
2353	warn "unload cf.pm \"a bit\"";	3195	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3196	delete $INC{"cf.pm"};
		3197	delete $INC{"cf/pod.pm"};
2355		3198
2356	# don't, removes xs symbols, too,	3199	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3200	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3201	#Symbol::delete_package __PACKAGE__;
2359		3202
		3203	warn "unload completed, starting to reload now";
		3204
2360	warn "reloading cf.pm";	3205	warn "reloading cf.pm";
2361	require cf;	3206	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3207	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		3208
2364	warn "load config and database again";	3209	warn "loading config and database again";
2365	cf::cfg_load;	3210	cf::cfg_load;
2366	cf::db_load;
2367		3211
2368	warn "load extensions";	3212	warn "loading extensions";
2369	cf::load_extensions;	3213	cf::load_extensions;
2370		3214
2371	warn "reattach attachments to objects/players";	3215	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3216	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3217	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3218	reattach $_ for values %MAP;
2375	};	3219	warn "reattaching attachments to players";
		3220	reattach $_ for values %PLAYER;
2376		3221
2377	if ($@) {	3222	warn "leaving sync_job";
		3223
		3224	1
		3225	} or do {
2378	warn $@;	3226	warn $@;
2379	warn "error while reloading, exiting.";	3227	warn "error while reloading, exiting.";
2380	exit 1;	3228	exit 1;
2381	}	3229	};
2382		3230
2383	warn "reloaded";	3231	warn "reloaded";
2384	};	3232	};
2385		3233
2386	#############################################################################	3234	our $RELOAD_WATCHER; # used only during reload
2387		3235
2388	unless ($LINK_MAP) {	3236	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3237	# doing reload synchronously and two reloads happen back-to-back,
		3238	# coro crashes during coro_state_free->destroy here.
2390		3239
2391	$LINK_MAP->width (41);	3240	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	3241	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	3242	after => 0,
		3243	data => WF_AUTOCANCEL,
2401	cb => sub {	3244	cb => sub {
2402	$_[0]->w->cancel;	3245	do_reload_perl;
2403		3246	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	3247	},
2422		3248	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3249	}
2428		3250
2429	register_command "reload" => sub {	3251	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3252	my ($who, $arg) = @_;
2431		3253
2432	if ($who->flag (FLAG_WIZ)) {	3254	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3255	$who->message ("reloading server.");
		3256	async { reload_perl };
2436	}	3257	}
2437	};	3258	};
2438		3259
2439	unshift @INC, $LIBDIR;	3260	unshift @INC, $LIBDIR;
2440		3261
		3262	my $bug_warning = 0;
		3263
		3264	our @WAIT_FOR_TICK;
		3265	our @WAIT_FOR_TICK_BEGIN;
		3266
		3267	sub wait_for_tick {
		3268	return unless $TICK_WATCHER->is_active;
		3269	return if $Coro::current == $Coro::main;
		3270
		3271	my $signal = new Coro::Signal;
		3272	push @WAIT_FOR_TICK, $signal;
		3273	$signal->wait;
		3274	}
		3275
		3276	sub wait_for_tick_begin {
		3277	return unless $TICK_WATCHER->is_active;
		3278	return if $Coro::current == $Coro::main;
		3279
		3280	my $signal = new Coro::Signal;
		3281	push @WAIT_FOR_TICK_BEGIN, $signal;
		3282	$signal->wait;
		3283	}
		3284
		3285	my $min = 1e6;#d#
		3286	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3287	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3288	reentrant => 0,
		3289	parked => 1,
2443	prio => 0,	3290	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3291	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3292	data => WF_AUTOCANCEL,
2446	cb => sub {	3293	cb => sub {
		3294	if ($Coro::current != $Coro::main) {
		3295	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3296	unless ++$bug_warning > 10;
		3297	return;
		3298	}
		3299
		3300	$NOW = $tick_start = Event::time;
		3301
2447	cf::server_tick; # one server iteration	3302	cf::server_tick; # one server iteration
		3303
		3304	0 && sync_job {#d#
		3305	for(1..10) {
		3306	my $t = Event::time;
		3307	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3308	or die;
		3309
		3310	$map->width (50);
		3311	$map->height (50);
		3312	$map->alloc;
		3313	$map->_load_objects ("/tmp/x.map", 1);
		3314	my $t = Event::time - $t;
		3315
		3316	#next unless $t < 0.0013;#d#
		3317	if ($t < $min) {
		3318	$min = $t;
		3319	}
		3320	$avg = $avg * 0.99 + $t * 0.01;
		3321	}
		3322	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3323	exit 0;
		3324	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3325	};
		3326
2448	$RUNTIME += $TICK;	3327	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3328	$NEXT_TICK += $TICK;
2450		3329
2451	$WAIT_FOR_TICK->broadcast;	3330	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3331	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3332	Coro::async_pool {
		3333	write_runtime
		3334	or warn "ERROR: unable to write runtime file: $!";
		3335	};
		3336	}
		3337
		3338	# my $AFTER = Event::time;
		3339	# warn $AFTER - $NOW;#d#
		3340
		3341	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3342	$sig->send;
		3343	}
		3344	while (my $sig = shift @WAIT_FOR_TICK) {
		3345	$sig->send;
		3346	}
		3347
		3348	$NOW = Event::time;
2453		3349
2454	# if we are delayed by four ticks or more, skip them all	3350	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3351	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3352
2457	$TICK_WATCHER->at ($NEXT_TICK);	3353	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355
		3356	$LOAD = ($NOW - $tick_start) / $TICK;
		3357	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3358
		3359	_post_tick;
		3360
		3361
2459	},	3362	},
2460	);	3363	);
2461		3364
		3365	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	3366	BDB::max_poll_time $TICK * 0.1;
2463		3367	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3368	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3369	fd => BDB::poll_fileno,
2466	poll => 'r',	3370	poll => 'r',
2467	prio => 5,	3371	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3372	data => WF_AUTOCANCEL,
2474	after => 0,	3373	cb => \&BDB::poll_cb,
2475	interval => 10,	3374	);
2476	cb => sub {	3375	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3376
2478	write_runtime	3377	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3378	my $status;
		3379	my $current = $Coro::current;
		3380	(
		3381	sub {
		3382	$status = $!;
		3383	$current->ready; undef $current;
		3384	},
		3385	sub {
		3386	Coro::schedule while defined $current;
		3387	$! = $status;
		3388	},
		3389	)
		3390	};
		3391
		3392	unless ($DB_ENV) {
		3393	$DB_ENV = BDB::db_env_create;
		3394
		3395	cf::sync_job {
		3396	eval {
		3397	BDB::db_env_open
		3398	$DB_ENV,
		3399	$BDBDIR,
		3400	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3401	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3402	0666;
		3403
		3404	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3405
		3406	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3407	$DB_ENV->set_lk_detect;
		3408	};
		3409
		3410	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3411	};
2481	},	3412	}
2482	);	3413	}
		3414
		3415	{
		3416	IO::AIO::min_parallel 8;
		3417
		3418	undef $Coro::AIO::WATCHER;
		3419	IO::AIO::max_poll_time $TICK * 0.1;
		3420	$AIO_POLL_WATCHER = Event->io (
		3421	reentrant => 0,
		3422	data => WF_AUTOCANCEL,
		3423	fd => IO::AIO::poll_fileno,
		3424	poll => 'r',
		3425	prio => 6,
		3426	cb => \&IO::AIO::poll_cb,
		3427	);
		3428	}
		3429
		3430	my $_log_backtrace;
		3431
		3432	sub _log_backtrace {
		3433	my ($msg, @addr) = @_;
		3434
		3435	$msg =~ s/\n//;
		3436
		3437	# limit the # of concurrent backtraces
		3438	if ($_log_backtrace < 2) {
		3439	++$_log_backtrace;
		3440	async {
		3441	my @bt = fork_call {
		3442	@addr = map { sprintf "%x", $_ } @addr;
		3443	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3444	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3445	or die "addr2line: $!";
		3446
		3447	my @funcs;
		3448	my @res = <$fh>;
		3449	chomp for @res;
		3450	while (@res) {
		3451	my ($func, $line) = splice @res, 0, 2, ();
		3452	push @funcs, "[$func] $line";
		3453	}
		3454
		3455	@funcs
		3456	};
		3457
		3458	LOG llevInfo, "[ABT] $msg\n";
		3459	LOG llevInfo, "[ABT] $_\n" for @bt;
		3460	--$_log_backtrace;
		3461	};
		3462	} else {
		3463	LOG llevInfo, "[ABT] $msg\n";
		3464	LOG llevInfo, "[ABT] [suppressed]\n";
		3465	}
		3466	}
		3467
		3468	# load additional modules
		3469	use cf::pod;
2483		3470
2484	END { cf::emergency_save }	3471	END { cf::emergency_save }
2485		3472
2486	1	3473	1
2487		3474

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