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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 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 3.5 ();	15	use Coro 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$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		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
87		120
88	sub cf::map::normalise;	121	sub cf::map::normalise;
89		122
…		…
100	=item $cf::RUNTIME	133	=item $cf::RUNTIME
101		134
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	136	every server tick.
104		137
105	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		141
107	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
109		146
110	=item $cf::NOW	147	=item $cf::NOW
111		148
112	The time of the last (current) server tick.	149	The time of the last (current) server tick.
113		150
114	=item $cf::TICK	151	=item $cf::TICK
115		152
116	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
117		164
118	=item %cf::CFG	165	=item %cf::CFG
119		166
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	168	from wherever your confdir points to.
122		169
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		171
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
129		181
130	=back	182	=back
131		183
132	=cut	184	=cut
133		185
134	BEGIN {	186	BEGIN {
135	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	188	my $msg = join "", @_;
137	utf8::encode $msg;
138		189
139	$msg .= "\n"	190	$msg .= "\n"
140	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		194
142	LOG llevError, $msg;	195	LOG llevError, $msg;
143	};	196	};
144	}	197	}
145		198
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		206
153	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	208	# within the Safe compartment.
155	for my $pkg (qw(	209	for my $pkg (qw(
156	cf::global cf::attachable	210	cf::global cf::attachable
…		…
164	}	218	}
165		219
166	$Event::DIED = sub {	220	$Event::DIED = sub {
167	warn "error in event callback: @_";	221	warn "error in event callback: @_";
168	};	222	};
		223
		224	#############################################################################
169		225
170	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
171		227
172	=over 4	228	=over 4
173		229
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	249	$d
194	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
195	}	251	}
196		252
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
200		254
201	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
202		256
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
211		258
212	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
213		260
214	=cut	261	=cut
215		262
216	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
218	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
261	}	323	}
262		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
266	my $guard = Coro::guard {	334	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	336	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
273	}	395	}
274		396
275	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
276		398
277	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		404
283	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
284		406
285	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
286		408
287	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
290		413
291	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
294	fast or be very important.	417	fast or be very important.
…		…
297		420
298	sub sync_job(&) {	421	sub sync_job(&) {
299	my ($job) = @_;	422	my ($job) = @_;
300		423
301	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
302	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
304		429
305	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
317		442
318	while ($busy) {	443	while ($busy) {
319	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
320	}	445	}
321		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
322	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
323	} else {	455	} else {
324	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
325		457
326	$job->()	458	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
346		478
347	$coro	479	$coro
348	}	480	}
349		481
350	sub write_runtime {	482	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		483
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	Executes the given code block with the given arguments in a seperate
354	or return;	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
355		488
356	my $value = $cf::RUNTIME + 90 + 10;	489	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		490
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	sub fork_call(&@) {
361	and return;	492	my ($cb, @args) = @_;
362		493
363	aio_fsync $fh	494	# we seemingly have to make a local copy of the whole thing,
364	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
365		497
366	close $fh	498	my @res = Coro::Util::fork_eval {
367	or return;	499	reset_signals;
		500	&$cb
		501	}, @args;
368		502
369	aio_rename "$runtime~", $runtime	503	wantarray ? @res : $res[-1]
370	and return;	504	}
371		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
372	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	642	}
374		643
375	=back	644	=back
376		645
377	=cut	646	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
386		655
387	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	658	Crossfire TRT).
390		659
391	=over 4	660	=over 4
392		661
393	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
394		663
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
558		827
559	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		832
564	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	834	my $pkg = shift @arg;
566		835
567	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
597	}	866	}
598		867
599	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
600	} else {	869	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	871	}
603		872
604	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
605	}	874	}
606		875
…		…
608	if (ref $_[0]) {	877	if (ref $_[0]) {
609	_object_attach @_;	878	_object_attach @_;
610	} else {	879	} else {
611	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
612	}	881	}
		882	_recalc_want;
613	};	883	};
614		884
615	# all those should be optimised	885	# all those should be optimised
616	sub cf::attachable::detach {	886	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
621	reattach ($obj);	891	reattach ($obj);
622	} else {	892	} else {
623	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
624	}	894	}
		895	_recalc_want;
625	};	896	};
626		897
627	sub cf::attachable::attached {	898	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
629		900
…		…
644	";	915	";
645	die if $@;	916	die if $@;
646	}	917	}
647		918
648	our $override;	919	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		921
651	sub override {	922	sub override {
652	$override = 1;	923	$override = 1;
653	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
654	}	925	}
655		926
656	sub do_invoke {	927	sub do_invoke {
657	my $event = shift;	928	my $event = shift;
658	my $callbacks = shift;	929	my $callbacks = shift;
659		930
660	@invoke_results = ();	931	@INVOKE_RESULTS = ();
661		932
662	local $override;	933	local $override;
663		934
664	for (@$callbacks) {	935	for (@$callbacks) {
665	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
682		953
683	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
684		955
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		959
689	=back	960	=back
690		961
691	=cut	962	=cut
692		963
693	#############################################################################	964	#############################################################################
694	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
695		977
696	sub reattach {	978	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	980	my ($obj) = @_;
699		981
…		…
746	sub object_freezer_save {	1028	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
748		1030
749	sync_job {	1031	sync_job {
750	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
753		1036
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1040	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1041	close $fh;
759		1042
760	if (@$objs) {	1043	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1044	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1045	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1046	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1047	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1048	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1049	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1050	aio_rename "$filename.pst~", "$filename.pst";
768	}	1051	}
769	} else {	1052	} else {
770	aio_unlink "$filename.pst";	1053	aio_unlink "$filename.pst";
…		…
776	}	1059	}
777	} else {	1060	} else {
778	aio_unlink $filename;	1061	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
780	}	1063	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1064	};
788	}	1065	}
789		1066
790	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
792		1069
…		…
797		1074
798	sub object_thawer_load {	1075	sub object_thawer_load {
799	my ($filename) = @_;	1076	my ($filename) = @_;
800		1077
801	my ($data, $av);	1078	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1079
806	(aio_load $filename, $data) >= 0	1080	(aio_load $filename, $data) >= 0
807	or return;	1081	or return;
808		1082
809	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
811	or return;	1085	or return;
		1086
812	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1088	}
814		1089
		1090	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
817	return ($data, $av);	1094	($data, $av)
818	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
819		1102
820	#############################################################################	1103	#############################################################################
821	# command handling &c	1104	# command handling &c
822		1105
823	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1120	}
838		1121
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1123
841	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
842		1129
843	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
844	called.	1131	called.
845		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
846	=cut	1144	=cut
847		1145
848	sub register_extcmd {	1146	sub register_extcmd {
849	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
850		1148
851	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
852	}	1156	}
853		1157
854	cf::player->attach (	1158	cf::player->attach (
855	on_command => sub {	1159	on_command => sub {
856	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1169	cf::override;
866	},	1170	},
867	on_extcmd => sub {	1171	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
869		1173
870	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1175
872	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
878	} else {	1191	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1193	}
881		1194
882	cf::override;	1195	cf::override;
883	},	1196	},
884	);	1197	);
885		1198
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
921	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1204	next unless -r $path;
923	eval {	1205
924	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
925	1	1263	}
926	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
927	}	1269	};
928	}	1270	}
929		1271
930	#############################################################################	1272	#############################################################################
931		1273
		1274	=back
		1275
932	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
933		1277
934	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
935		1279
936	=cut	1280	=cut
…		…
941		1285
942	=head3 cf::player	1286	=head3 cf::player
943		1287
944	=over 4	1288	=over 4
945		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
		1303
946	=item cf::player::find $login	1304	=item cf::player::find $login
947		1305
948	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
949		1307
950	=cut	1308	=cut
951		1309
952	sub playerdir($) {	1310	sub playerdir($) {
953	cf::localdir	1311	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1312	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1313	}
959		1314
960	sub path($) {	1315	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1316	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1317
963	(playerdir $login) . "/$login.pl"	1318	(playerdir $login) . "/playerdata"
964	}	1319	}
965		1320
966	sub find_active($) {	1321	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1322	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1323	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1336	my $login = $_[0];
982		1337
983	my $guard = cf::lock_acquire "user_find:$login";	1338	my $guard = cf::lock_acquire "user_find:$login";
984		1339
985	$cf::PLAYER{$_[0]} || do {	1340	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1341	# rename old playerfiles to new ones
		1342	#TODO: remove when no longer required
		1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1346	aio_unlink +(playerdir $login) . "/$login.pl";
		1347
		1348	my $f = new_from_file cf::object::thawer path $login
987	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
989	}	1356	}
990	}	1357	}
991	}	1358	}
992		1359
…		…
1002		1369
1003	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1005		1372
1006	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1007	Coro::cede;	1374	cf::cede_to_tick;
1008	}	1375	}
1009		1376
1010	sub new($) {	1377	sub new($) {
1011	my ($login) = @_;	1378	my ($login) = @_;
1012		1379
…		…
1018	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1019		1386
1020	$self	1387	$self
1021	}	1388	}
1022		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
		1398	}
		1399
1023	=item $pl->quit_character	1400	=item $pl->quit_character
1024		1401
1025	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1403	be destroyed. May block for a long time.
1027		1404
1028	=cut	1405	=cut
1029		1406
1030	sub quit_character {	1407	sub quit_character {
1031	my ($pl) = @_;	1408	my ($pl) = @_;
		1409
		1410	my $name = $pl->ob->name;
1032		1411
1033	$pl->{deny_save} = 1;	1412	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1413	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1414
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1415	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1420	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1421	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1422	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1423	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1424	$pl->destroy;
		1425
		1426	my $prefix = qr<^~\Q$name\E/>;
		1427
		1428	# nuke player maps
		1429	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1430
1046	IO::AIO::aio_rmtree $temp;	1431	IO::AIO::aio_rmtree $temp;
		1432	}
		1433
		1434	=item $pl->kick
		1435
		1436	Kicks a player out of the game. This destroys the connection.
		1437
		1438	=cut
		1439
		1440	sub kick {
		1441	my ($pl, $kicker) = @_;
		1442
		1443	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1444	$pl->killer ("kicked");
		1445	$pl->ns->destroy;
1047	}	1446	}
1048		1447
1049	=item cf::player::list_logins	1448	=item cf::player::list_logins
1050		1449
1051	Returns am arrayref of all valid playernames in the system, can take a	1450	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1451	while and may block, so not sync_job-capable, ever.
1053		1452
1054	=cut	1453	=cut
1055		1454
1056	sub list_logins {	1455	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1456	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1457	or return [];
1059		1458
1060	my @logins;	1459	my @logins;
1061		1460
1062	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1066		1470
1067	utf8::decode $login;	1471	utf8::decode $login;
1068	push @logins, $login;	1472	push @logins, $login;
1069	}	1473	}
1070		1474
…		…
1078		1482
1079	=cut	1483	=cut
1080		1484
1081	sub maps($) {	1485	sub maps($) {
1082	my ($pl) = @_;	1486	my ($pl) = @_;
		1487
		1488	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1489
1084	my $files = aio_readdir playerdir $pl	1490	my $files = aio_readdir playerdir $pl
1085	or return;	1491	or return;
1086		1492
1087	my @paths;	1493	my @paths;
…		…
1089	for (@$files) {	1495	for (@$files) {
1090	utf8::decode $_;	1496	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1497	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1498	next unless /^$PATH_SEP/o;
1093		1499
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1500	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1501	}
1096		1502
1097	\@paths	1503	\@paths
1098	}	1504	}
1099		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1101		1558
1102	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1103		1560
1104	=cut	1561	=cut
1105		1562
1106	sub ext_reply($$$%) {	1563	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1108		1565
1109	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1567	}
1113		1568
1114	package cf;	1569	=item $player->ext_msg ($type, @msg)
		1570
		1571	Sends an ext event to the client.
		1572
		1573	=cut
		1574
		1575	sub ext_msg($$@) {
		1576	my ($self, $type, @msg) = @_;
		1577
		1578	$self->ns->ext_msg ($type, @msg);
		1579	}
		1580
		1581	=head3 cf::region
		1582
		1583	=over 4
		1584
		1585	=cut
		1586
		1587	package cf::region;
		1588
		1589	=item cf::region::find_by_path $path
		1590
		1591	Tries to decuce the likely region for a map knowing only its path.
		1592
		1593	=cut
		1594
		1595	sub find_by_path($) {
		1596	my ($path) = @_;
		1597
		1598	my ($match, $specificity);
		1599
		1600	for my $region (list) {
		1601	if ($region->{match} && $path =~ $region->{match}) {
		1602	($match, $specificity) = ($region, $region->specificity)
		1603	if $region->specificity > $specificity;
		1604	}
		1605	}
		1606
		1607	$match
		1608	}
1115		1609
1116	=back	1610	=back
1117
1118		1611
1119	=head3 cf::map	1612	=head3 cf::map
1120		1613
1121	=over 4	1614	=over 4
1122		1615
…		…
1177	my ($self, $merge) = @_;	1670	my ($self, $merge) = @_;
1178		1671
1179	# we have to keep some variables in memory intact	1672	# we have to keep some variables in memory intact
1180	local $self->{path};	1673	local $self->{path};
1181	local $self->{load_path};	1674	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1675
1185	$self->SUPER::thawer_merge ($merge);	1676	$self->SUPER::thawer_merge ($merge);
1186	}	1677	}
1187		1678
1188	sub normalise {	1679	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1236	return $self;	1727	return $self;
1237	}	1728	}
1238	}	1729	}
1239		1730
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1732	()
1242	}	1733	}
1243		1734
1244	sub init {	1735	sub init {
1245	my ($self) = @_;	1736	my ($self) = @_;
…		…
1260		1751
1261	# the original (read-only) location	1752	# the original (read-only) location
1262	sub load_path {	1753	sub load_path {
1263	my ($self) = @_;	1754	my ($self) = @_;
1264		1755
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1756	"$MAPDIR/$self->{path}.map"
1266	}	1757	}
1267		1758
1268	# the temporary/swap location	1759	# the temporary/swap location
1269	sub save_path {	1760	sub save_path {
1270	my ($self) = @_;	1761	my ($self) = @_;
1271		1762
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1764	"$TMPDIR/$path.map"
1274	}	1765	}
1275		1766
1276	# the unique path, undef == no special unique path	1767	# the unique path, undef == no special unique path
1277	sub uniq_path {	1768	sub uniq_path {
1278	my ($self) = @_;	1769	my ($self) = @_;
1279		1770
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1772	"$UNIQUEDIR/$path"
1282	}	1773	}
1283		1774
1284	# and all this just because we cannot iterate over	1775	# and all this just because we cannot iterate over
1285	# all maps in C++...	1776	# all maps in C++...
1286	sub change_all_map_light {	1777	sub change_all_map_light {
…		…
1288		1779
1289	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1291	}	1782	}
1292		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1293	sub unlink_save {	1792	sub unlink_save {
1294	my ($self) = @_;	1793	my ($self) = @_;
1295		1794
1296	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1797	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1798	}
1305		1799
1306	sub load_header_from($) {	1800	sub load_header_from($) {
1307	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1308		1802
1309	utf8::encode $path;	1803	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1805	or return;
		1806
		1807	$self->_load_header ($f)
		1808	or return;
		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
1315		1812
1316	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1317		1814
1318	1	1815	1
1319	}	1816	}
…		…
1358	$self->load_header_orig	1855	$self->load_header_orig
1359	or return;	1856	or return;
1360	$self->prepare_orig;	1857	$self->prepare_orig;
1361	}	1858	}
1362		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
		1863	$self->default_region (cf::region::find_by_path $self->{path})
		1864	unless $self->default_region;
		1865
1363	1	1866	1
1364	}	1867	}
1365		1868
1366	sub find;	1869	sub find;
1367	sub find {	1870	sub find {
1368	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1369		1872
1370	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1371		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1373		1877
1374	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1376	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1377	or return;	1883	or return;
1378		1884
1379	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1380		1886
1381	$map->load_header	1887	$map->load_header
1382	or return;	1888	or return;
1383		1889
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1387	$map->reset;	1895	$map->reset;
1388	undef $guard;
1389	return find $path;	1896	return find $path;
1390	}	1897	}
1391		1898
1392	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1393	}	1900	}
…		…
1400	my ($self) = @_;	1907	my ($self) = @_;
1401		1908
1402	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1403		1910
1404	my $path = $self->{path};	1911	my $path = $self->{path};
		1912
		1913	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1406		1915
		1916	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		1918
1409	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1410		1920
1411	$self->alloc;	1921	$self->alloc;
1412		1922
1413	$self->pre_load;	1923	$self->pre_load;
		1924	cf::cede_to_tick;
1414		1925
1415	$self->_load_objects ($self->{load_path}, 1)	1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
		1928	$self->_load_objects ($f)
1416	or return;	1929	or return;
1417		1930
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	1932	if delete $self->{load_original};
1420		1933
1421	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	1935	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	1938	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1426	}	1942	}
1427	}	1943	}
1428		1944
1429	Coro::cede;	1945	$f->resolve_delayed_derefs;
1430		1946
		1947	cf::cede_to_tick;
1431	# now do the right thing for maps	1948	# now do the right thing for maps
1432	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1951	unless $self->difficulty;
1442	Coro::cede;	1952	cf::cede_to_tick;
		1953
		1954	unless ($self->{deny_activate}) {
		1955	$self->decay_objects;
		1956	$self->fix_auto_apply;
		1957	$self->update_buttons;
		1958	cf::cede_to_tick;
		1959	$self->set_darkness_map;
		1960	cf::cede_to_tick;
1443	$self->activate;	1961	$self->activate;
		1962	}
		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
		1966
		1967	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1968	}
1445		1969
1446	$self->post_load;	1970	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1971	}
1450		1972
1451	sub customise_for {	1973	sub customise_for {
1452	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1453		1975
1454	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1977	if $self->per_player;
1456		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1457	$self	1982	$self
1458	}	1983	}
1459		1984
1460	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	1986	sub load_neighbours {
1462	my ($map) = @_;	1987	my ($map) = @_;
1463		1988
1464	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1465		1990
1466	for (0 .. 3) {	1991	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1468	or next;	1993	or next;
1469	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1470	or next;	1995	or next;
1471	$neigh->load;	1996	$neigh->load;
1472		1997
		1998	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2001	}
1476		2002
1477	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1479	or next;	2006	or next;
1480	$neigh->load;	2007	$neigh->load;
1481	}	2008	}
1482	}	2009	}
1483		2010
…		…
1488	}	2015	}
1489		2016
1490	sub do_load_sync {	2017	sub do_load_sync {
1491	my ($map) = @_;	2018	my ($map) = @_;
1492		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1493	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1494	}	2024	}
1495		2025
1496	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1498		2028
1499	sub find_async {	2029	sub find_async {
1500	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1501		2031
1502	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1503		2033
1504	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1506	}	2036	}
1507		2037
1508	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1509	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1510	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2043	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2044	$map->load if $v;
		2045	}
1515		2046
1516	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1517	}	2048	}
1518	}	2049	}
1519	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1520	};	2051	};
1521	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2055	}
1525		2056
1526	sub save {	2057	sub save {
1527	my ($self) = @_;	2058	my ($self) = @_;
1528		2059
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2061
1531	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1532		2063
1533	return unless $self->dirty;	2064	return unless $self->dirty;
1534		2065
…		…
1557	my ($self) = @_;	2088	my ($self) = @_;
1558		2089
1559	# save first because save cedes	2090	# save first because save cedes
1560	$self->save;	2091	$self->save;
1561		2092
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2094
1564	return if $self->players;	2095	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};	2097	return if $self->{deny_save};
1567		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2103	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2104	}
1571		2105
1572	sub reset_at {	2106	sub reset_at {
1573	my ($self) = @_;	2107	my ($self) = @_;
1574		2108
1575	# TODO: safety, remove and allow resettable per-player maps	2109	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2110	return 1e99 if $self->{deny_reset};
1578		2111
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2114
…		…
1592	my ($self) = @_;	2125	my ($self) = @_;
1593		2126
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2128
1596	return if $self->players;	2129	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2130
1599	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
		2132
		2133	$self->in_memory (cf::MAP_SWAPPED);
		2134
		2135	# need to save uniques path
		2136	unless ($self->{deny_save}) {
		2137	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2138
		2139	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2140	if $uniq;
		2141	}
1600		2142
1601	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1602		2144
1603	$self->in_memory (cf::MAP_SWAPPED);	2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2147	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2148
1608	$self->unlink_save;	2149	$self->unlink_save;
1609	$self->destroy;	2150	$self->destroy;
1610	}	2151	}
1611		2152
1612	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1613		2154
1614	sub nuke {	2155	sub nuke {
1615	my ($self) = @_;	2156	my ($self) = @_;
1616		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1617	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1618		2162
1619	$self->unlink_save;	2163	$self->unlink_save;
1620		2164
1621	bless $self, "cf::map";	2165	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2170
1627	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1628		2173
1629	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
		2175	}
		2176
		2177	=item $maps = cf::map::tmp_maps
		2178
		2179	Returns an arrayref with all map paths of currently instantiated and saved
		2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
		2194
		2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1630	}	2211	}
1631		2212
1632	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1633		2214
1634	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2216	instantiated unique items. May block.
1636		2217
1637	=cut	2218	=cut
1638		2219
1639	sub unique_maps() {	2220	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2221	[
1641	or return;	2222	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2223	utf8::decode $_;
1647	next if /\.pst$/;	2224	/\.map$/
1648	next unless /^$PATH_SEP/o;	2225	? normalise $_
1649		2226	: ()
1650	push @paths, cf::map::normalise $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2228	]
1652
1653	\@paths
1654	}	2229	}
1655		2230
1656	package cf;	2231	package cf;
1657		2232
1658	=back	2233	=back
…		…
1676	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1677	}	2252	}
1678		2253
1679	sub inv_recursive {	2254	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1681	}	2287	}
1682		2288
1683	package cf;	2289	package cf;
1684		2290
1685	=back	2291	=back
…		…
1704		2310
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2312
1707	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1709	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1712	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1713	}	2338	}
1714		2339
1715	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1716		2341
1717	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1765		2390
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2392
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1770		2395
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2397	}
1773		2398
1774	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1776		2403
1777	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1778		2405
1779	unless ($map) {	2406	unless ($map) {
1780	# restore original map position	2407	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1797		2424
1798	$map->load;	2425	$map->load;
1799	$map->load_diag;	2426	$map->load_neighbours;
1800		2427
1801	return unless $self->contr->active;	2428	return unless $self->contr->active;
1802	$self->activate_recursive;	2429	$self->activate_recursive;
		2430
		2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1804	}	2433	}
1805		2434
1806	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2436
1810	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1814	};	2441	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2442
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2443	=cut
		2444
		2445	our $GOTOGEN;
1841		2446
1842	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
		2449
		2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2452
1845	$self->enter_link;	2453	$self->enter_link;
1846		2454
1847	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
1848	my $map = eval {	2475	my $map = eval {
1849	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
		2480	$map = $check->($map) if $check && $map;
		2481	} else {
		2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
		2484
1851	$map	2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2491	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1856	})->prio (1);	2499	})->prio (1);
1857	}	2500	}
1858		2501
1859	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1860		2503
…		…
1899		2542
1900	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1901		2544
1902	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2547	my $meta = "$RANDOMDIR/$md5.meta";
1905		2548
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2551	undef $fh;
1909	aio_rename "$meta~", $meta;	2552	aio_rename "$meta~", $meta;
…		…
1918		2561
1919	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1920		2563
1921	if ($exit->slaying eq "/!") {	2564	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2566	# the problem is that $exit might not survive long enough
		2567	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	2568	cf::sync_job { prepare_random_map $exit };
1924	}	2569	}
1925		2570
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
1929		2574
1930	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1931		2580
1932	(async {	2581	(async {
1933	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2583	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
1936		2585
1937	1;	2586	1;
1938	}) {	2587	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2589	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2591	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2592
1944	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2594	$self->leave_link;
1946	}	2595	}
1947	})->prio (1);	2596	})->prio (1);
…		…
1960		2609
1961	sub cf::client::send_drawinfo {	2610	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2611	my ($self, $text, $flags) = @_;
1963		2612
1964	utf8::encode $text;	2613	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2615	}
1967		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
		2698	=item $client->ext_msg ($type, @msg)
		2699
		2700	Sends an ext event to the client.
		2701
		2702	=cut
		2703
		2704	sub cf::client::ext_msg($$@) {
		2705	my ($self, $type, @msg) = @_;
		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
		2710	push @msg, msgtype => "event_$type";
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
		2731	}
1968		2732
1969	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
1970		2734
1971	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2738
1975	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2740	become reliable at some point in the future.
1977		2741
1978	=cut	2742	=cut
1979		2743
1980	sub cf::client::query {	2744	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2753	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2755
1992	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
1994	}	2760	}
1995		2761
1996	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
1997	on_reply => sub {	2768	on_reply => sub {
1998	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
1999		2770
2000	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2001	# get handled first	2772	# get handled first
2002	my $queue = delete $ns->{query_queue}	2773	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2774	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2775
2005	(shift @$queue)->[1]->($msg);	2776	(shift @$queue)->[1]->($msg);
		2777	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2778
2007	push @{ $ns->{query_queue} }, @$queue;	2779	push @{ $ns->{query_queue} }, @$queue;
2008		2780
2009	if (@{ $ns->{query_queue} } == @$queue) {	2781	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2782	if (@$queue) {
…		…
2012	} else {	2784	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2786	}
2015	}	2787	}
2016	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2017	);	2815	);
2018		2816
2019	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2020		2818
2021	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2064		2862
2065	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2066		2864
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2068		2870
2069	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2070		2872
2071	=pod	2873	=pod
2072		2874
2073	The following fucntions and emthods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2074		2876
2075	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2076	cf::object::player player	2881	cf::object::player
2077	cf::player peaceful	2882	player
2078	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2079		2889
2080	=cut	2890	=cut
2081		2891
2082	for (	2892	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2084	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2087	) {	2899	) {
2088	no strict 'refs';	2900	no strict 'refs';
…		…
2159	=back	2971	=back
2160		2972
2161	=cut	2973	=cut
2162		2974
2163	#############################################################################	2975	#############################################################################
		2976	# the server's init and main functions
2164		2977
2165	=head2 EXTENSION DATABASE SUPPORT	2978	sub load_facedata($) {
		2979	my ($path) = @_;
2166		2980
2167	Crossfire maintains a very simple database for extension use. It can	2981	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	2982	# for this (global event?)
2169	excludes objects.	2983	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		2984
2171	The parameter C<$family> should best start with the name of the extension	2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		2986
2174	=over 4	2987	warn "loading facedata from $path\n";
2175		2988
2176	=item $hashref = cf::db_get $family	2989	my $facedata;
		2990	0 < aio_load $path, $facedata
		2991	or die "$path: $!";
2177		2992
2178	Return a hashref for use by the extension C<$family>, which can be	2993	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		2994
2182	=item $value = cf::db_get $family => $key	2995	$facedata->{version} == 2
		2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		2997
2184	Returns a single value from the database	2998	# patch in the exptable
2185		2999	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3000	type => FT_RSRC,
2187		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3002	};
		3003	cf::cede_to_tick;
2214		3004
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3005	{
		3006	my $faces = $facedata->{faceinfo};
2226		3007
2227	my $dirty;	3008	while (my ($face, $info) = each %$faces) {
		3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
		3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2228		3014
2229	sub db_sync() {	3015	cf::cede_to_tick;
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3016	}
2268	);
2269	}
2270		3017
2271	#############################################################################	3018	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3019	next unless $info->{smooth};
		3020	my $idx = cf::face::find $face
		3021	or next;
		3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
		3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3025	} else {
		3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3027	}
2273		3028
2274	sub cfg_load {	3029	cf::cede_to_tick;
		3030	}
		3031	}
		3032
		3033	{
		3034	my $anims = $facedata->{animinfo};
		3035
		3036	while (my ($anim, $info) = each %$anims) {
		3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	cf::anim::invalidate_all; # d'oh
		3042	}
		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
		3093	1
		3094	}
		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
		3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
		3138	sub reload_resources {
		3139	warn "reloading resource files...\n";
		3140
		3141	reload_regions;
		3142	reload_facedata;
		3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
		3148	}
		3149
		3150	sub init {
		3151	reload_resources;
		3152	}
		3153
		3154	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3156	or return;
2277		3157
2278	local $/;	3158	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2280		3160
…		…
2299	(async {	3179	(async {
2300	Event::one_event;	3180	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2302	};	3182	};
2303		3183
2304	cfg_load;	3184	reload_config;
2305	db_load;	3185	db_init;
2306	load_extensions;	3186	load_extensions;
2307		3187
2308	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2309	Event::loop;	3189	Event::loop;
2310	}	3190	}
…		…
2325	},	3205	},
2326	);	3206	);
2327	}	3207	}
2328	}	3208	}
2329		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2330	sub emergency_save() {	3248	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2332		3250
2333	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2334		3252
…		…
2349	my $map = $cf::MAP{$path} or next;	3267	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3268	$map->valid or next;
2351	$map->save;	3269	$map->save;
2352	}	3270	}
2353	warn "end emergency map save\n";	3271	warn "end emergency map save\n";
		3272
		3273	warn "begin emergency database checkpoint\n";
		3274	BDB::db_env_txn_checkpoint $DB_ENV;
		3275	warn "end emergency database checkpoint\n";
2354	};	3276	};
2355		3277
2356	warn "leave emergency perl save\n";	3278	warn "leave emergency perl save\n";
2357	}	3279	}
2358		3280
		3281	sub post_cleanup {
		3282	my ($make_core) = @_;
		3283
		3284	warn Carp::longmess "post_cleanup backtrace"
		3285	if $make_core;
		3286	}
		3287
2359	sub reload() {	3288	sub do_reload_perl() {
2360	# can/must only be called in main	3289	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3291	warn "can only reload from main coroutine";
2363	return;	3292	return;
2364	}	3293	}
2365		3294
2366	warn "reloading...";	3295	warn "reloading...";
2367		3296
2368	warn "cancelling server ticker";	3297	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3298
		3299	cf::sync_job {
		3300	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3301	cf::emergency_save;
		3302	cf::write_runtime; # external watchdog should not bark
2372		3303
2373	eval {	3304	warn "syncing database to disk";
		3305	BDB::db_env_txn_checkpoint $DB_ENV;
		3306
2374	# if anything goes wrong in here, we should simply crash as we already saved	3307	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		3308
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3309	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3310	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3311	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3312	}
2383		3313
2384	warn "flushing outstanding aio requests";	3314	warn "flushing outstanding aio requests";
2385	for (;;) {	3315	for (;;) {
		3316	BDB::flush;
2386	IO::AIO::flush;	3317	IO::AIO::flush;
2387	Coro::cede;	3318	Coro::cede;
2388	last unless IO::AIO::nreqs;	3319	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3320	warn "iterate...";
2390	}	3321	}
		3322
		3323	++$RELOAD;
2391		3324
2392	warn "cancelling all extension coros";	3325	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3326	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3327	%EXT_CORO = ();
2395		3328
2396	warn "removing commands";	3329	warn "removing commands";
2397	%COMMAND = ();	3330	%COMMAND = ();
2398		3331
2399	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2401		3335
2402	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2405		3339
…		…
2435	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3371
2438	warn "unloading cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2440		3375
2441	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3377	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2444		3379
…		…
2447	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2448	require cf;	3383	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3385
2451	warn "loading config and database again";	3386	warn "loading config and database again";
2452	cf::cfg_load;	3387	cf::reload_config;
2453	cf::db_load;
2454		3388
2455	warn "loading extensions";	3389	warn "loading extensions";
2456	cf::load_extensions;	3390	cf::load_extensions;
2457		3391
2458	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3393	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3394	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
		3396	warn "reattaching attachments to players";
		3397	reattach $_ for values %PLAYER;
2462		3398
2463	warn "restarting server ticker";	3399	warn "leaving sync_job";
2464		3400
2465	$TICK_WATCHER->start;	3401	1
2466	};	3402	} or do {
2467
2468	if ($@) {
2469	warn $@;	3403	warn $@;
2470	warn "error while reloading, exiting.";	3404	warn "error while reloading, exiting.";
2471	exit 1;	3405	exit 1;
2472	}	3406	};
2473		3407
2474	warn "reloaded";	3408	warn "reloaded";
2475	};	3409	};
2476		3410
2477	our $RELOAD_WATCHER; # used only during reload	3411	our $RELOAD_WATCHER; # used only during reload
2478		3412
		3413	sub reload_perl() {
		3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
		3416
		3417	$RELOAD_WATCHER ||= Event->timer (
		3418	reentrant => 0,
		3419	after => 0,
		3420	data => WF_AUTOCANCEL,
		3421	cb => sub {
		3422	do_reload_perl;
		3423	undef $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2479	register_command "reload" => sub {	3428	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2481		3430
2482	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3432	$who->message ("reloading server.");
2484		3433	async { reload_perl };
2485	# doing reload synchronously and two reloads happen back-to-back,
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);
2497	}	3434	}
2498	};	3435	};
2499		3436
2500	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
2501		3438
2502	my $bug_warning = 0;	3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
2503		3461
2504	$TICK_WATCHER = Event->timer (	3462	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3463	reentrant => 0,
2506	parked => 1,	3464	parked => 1,
2507	prio => 0,	3465	prio => 0,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3471	unless ++$bug_warning > 10;
2514	return;	3472	return;
2515	}	3473	}
2516		3474
2517	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2518		3476
2519	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
		3478
2520	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2522		3481
2523	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3484	Coro::async_pool {
2526	Event::sweep;	3485	write_runtime
2527	Coro::cede_notself;	3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
2528		3488	}
2529	# my $AFTER = Event::time;	3489
2530	# warn $AFTER - $NOW;#d#	3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3491	$sig->send;
		3492	}
		3493	while (my $sig = shift @WAIT_FOR_TICK) {
		3494	$sig->send;
		3495	}
		3496
		3497	$NOW = Event::time;
2531		3498
2532	# if we are delayed by four ticks or more, skip them all	3499	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3501
2535	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
		3504
		3505	$LOAD = ($NOW - $tick_start) / $TICK;
		3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3507
		3508	_post_tick;
2537	},	3509	},
2538	);	3510	);
2539		3511
		3512	{
		3513	BDB::min_parallel 8;
		3514	BDB::max_poll_time $TICK * 0.1;
		3515	$BDB_POLL_WATCHER = Event->io (
		3516	reentrant => 0,
		3517	fd => BDB::poll_fileno,
		3518	poll => 'r',
		3519	prio => 0,
		3520	data => WF_AUTOCANCEL,
		3521	cb => \&BDB::poll_cb,
		3522	);
		3523
		3524	BDB::set_sync_prepare {
		3525	my $status;
		3526	my $current = $Coro::current;
		3527	(
		3528	sub {
		3529	$status = $!;
		3530	$current->ready; undef $current;
		3531	},
		3532	sub {
		3533	Coro::schedule while defined $current;
		3534	$! = $status;
		3535	},
		3536	)
		3537	};
		3538
		3539	unless ($DB_ENV) {
		3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556	};
		3557
		3558	cf::cleanup "db_env_open(db): $@" if $@;
		3559	};
		3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
		3563	after => 3,
		3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
		3592	}
		3593
		3594	{
		3595	IO::AIO::min_parallel 8;
		3596
		3597	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3598	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3599	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3600	reentrant => 0,
		3601	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3602	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3603	poll => 'r',
2547	prio => 6,	3604	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3605	cb => \&IO::AIO::poll_cb,
2550	);	3606	);
		3607	}
2551		3608
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3609	my $_log_backtrace;
2553	reentrant => 0,	3610
2554	data => WF_AUTOCANCEL,	3611	sub _log_backtrace {
2555	after => 1,	3612	my ($msg, @addr) = @_;
2556	interval => 10,	3613
2557	prio => 6, # keep it lowest so it acts like a watchdog	3614	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3615
2559	write_runtime	3616	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3617	if ($_log_backtrace < 2) {
		3618	++$_log_backtrace;
		3619	async {
		3620	my @bt = fork_call {
		3621	@addr = map { sprintf "%x", $_ } @addr;
		3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3624	or die "addr2line: $!";
		3625
		3626	my @funcs;
		3627	my @res = <$fh>;
		3628	chomp for @res;
		3629	while (@res) {
		3630	my ($func, $line) = splice @res, 0, 2, ();
		3631	push @funcs, "[$func] $line";
		3632	}
		3633
		3634	@funcs
		3635	};
		3636
		3637	LOG llevInfo, "[ABT] $msg\n";
		3638	LOG llevInfo, "[ABT] $_\n" for @bt;
		3639	--$_log_backtrace;
		3640	};
		3641	} else {
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3644	}
2562	);	3645	}
		3646
		3647	# load additional modules
		3648	use cf::pod;
2563		3649
2564	END { cf::emergency_save }	3650	END { cf::emergency_save }
2565		3651
2566	1	3652	1
2567		3653

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