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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.388 by root, Thu Oct 18 02:56:13 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 Storable;	8	use Socket;
9	use Event;	9	use Event;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.1 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		42
36	$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
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	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(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		83
65	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	88	our $DB_ENV;
67		89
68	our %CFG;	90	our %CFG;
69		91
70	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	93	our $RUNTIME;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	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
119	every server tick.	136	every server tick.
120		137
121	=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
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	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.
133		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	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
142	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
143	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.
144	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.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		206
169	# 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
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$Event::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$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;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
220		258
221	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	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
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($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#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		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	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	The design of crossfire+ requires that the main coro ($Coro::main) is	411	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	412	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.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
290		415
291	If it must be done, put the blocking parts into C<sync_job>. This will run	416	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	417	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	418	server will be frozen during this time, so the block should either finish
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
319	Coro::cede or Event::one_event;	452	Event::one_event;
320	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
321		462
322	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
323	} else {	464	} else {
324	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
325		466
…		…
345	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
346		487
347	$coro	488	$coro
348	}	489	}
349		490
350	sub write_runtime {	491	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		492
353	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
354		497
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
356	or return;
357		499
358	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		502
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
363	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
364		506
365	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	508	reset_signals;
367	and return;	509	&$cb
		510	}, @args;
368		511
369	close $fh	512	wantarray ? @res : $res[-1]
370	or return;	513	}
371		514
372	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
373	and return;
374		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
375	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
376	}	640	}
377		641
378	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
379		643
380	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
400		664
401	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	667	Crossfire TRT).
404		668
405	=over 4	669	=over 4
406		670
407	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
408		672
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
572		836
573	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		841
578	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	843	my $pkg = shift @arg;
580		844
581	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
611	}	875	}
612		876
613	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
614	} else {	878	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	880	}
617		881
618	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
619	}	883	}
620		884
…		…
622	if (ref $_[0]) {	886	if (ref $_[0]) {
623	_object_attach @_;	887	_object_attach @_;
624	} else {	888	} else {
625	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
626	}	890	}
		891	_recalc_want;
627	};	892	};
628		893
629	# all those should be optimised	894	# all those should be optimised
630	sub cf::attachable::detach {	895	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
635	reattach ($obj);	900	reattach ($obj);
636	} else {	901	} else {
637	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
638	}	903	}
		904	_recalc_want;
639	};	905	};
640		906
641	sub cf::attachable::attached {	907	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
643		909
…		…
658	";	924	";
659	die if $@;	925	die if $@;
660	}	926	}
661		927
662	our $override;	928	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		930
665	sub override {	931	sub override {
666	$override = 1;	932	$override = 1;
667	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
668	}	934	}
669		935
670	sub do_invoke {	936	sub do_invoke {
671	my $event = shift;	937	my $event = shift;
672	my $callbacks = shift;	938	my $callbacks = shift;
673		939
674	@invoke_results = ();	940	@INVOKE_RESULTS = ();
675		941
676	local $override;	942	local $override;
677		943
678	for (@$callbacks) {	944	for (@$callbacks) {
679	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
696		962
697	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
698		964
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		968
703	=back	969	=back
704		970
705	=cut	971	=cut
706		972
707	#############################################################################	973	#############################################################################
708	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
709		1017
710	sub reattach {	1018	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1020	my ($obj) = @_;
713		1021
…		…
760	sub object_freezer_save {	1068	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
762		1070
763	sync_job {	1071	sync_job {
764	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
767		1076
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1081	close $fh;
773		1082
774	if (@$objs) {	1083	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1089	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
782	}	1091	}
…		…
790	}	1099	}
791	} else {	1100	} else {
792	aio_unlink $filename;	1101	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
794	}	1103	}
795	}	1104	};
796	}	1105	}
797		1106
798	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
800		1109
…		…
812	or return;	1121	or return;
813		1122
814	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
816	or return;	1125	or return;
		1126
817	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
818	}	1129	}
819		1130
		1131	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
822	return ($data, $av);	1135	($data, $av)
823	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
824		1143
825	#############################################################################	1144	#############################################################################
826	# command handling &c	1145	# command handling &c
827		1146
828	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1161	}
843		1162
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1164
846	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
847		1170
848	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
849	called.	1172	called.
850		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
851	=cut	1185	=cut
852		1186
853	sub register_extcmd {	1187	sub register_extcmd {
854	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
855		1189
856	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
857	}	1197	}
858		1198
859	cf::player->attach (	1199	cf::player->attach (
860	on_command => sub {	1200	on_command => sub {
861	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1210	cf::override;
871	},	1211	},
872	on_extcmd => sub {	1212	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
874		1214
875	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1216
877	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
883	} else {	1232	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1234	}
886		1235
887	cf::override;	1236	cf::override;
888	},	1237	},
889	);	1238	);
890		1239
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
926	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1245	next unless -r $path;
928	eval {	1246
929	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
930	1	1304	}
931	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
932	}	1310	};
933	}	1311	}
934		1312
935	#############################################################################	1313	#############################################################################
936		1314
		1315	=back
		1316
937	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
938		1318
939	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
940		1320
941	=cut	1321	=cut
…		…
946		1326
947	=head3 cf::player	1327	=head3 cf::player
948		1328
949	=over 4	1329	=over 4
950		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
951	=item cf::player::find $login	1345	=item cf::player::find $login
952		1346
953	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
954		1348
955	=cut	1349	=cut
956		1350
957	sub playerdir($) {	1351	sub playerdir($) {
958	cf::localdir	1352	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1354	}
964		1355
965	sub path($) {	1356	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1358
968	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
969	}	1360	}
970		1361
971	sub find_active($) {	1362	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1377	my $login = $_[0];
987		1378
988	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
989		1380
990	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
992	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
994	}	1397	}
995	}	1398	}
996	}	1399	}
997		1400
…		…
1007		1410
1008	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1010		1413
1011	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1012	Coro::cede;	1415	cf::cede_to_tick;
1013	}	1416	}
1014		1417
1015	sub new($) {	1418	sub new($) {
1016	my ($login) = @_;	1419	my ($login) = @_;
1017		1420
…		…
1021	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1022		1425
1023	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1024		1427
1025	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1026	}	1439	}
1027		1440
1028	=item $pl->quit_character	1441	=item $pl->quit_character
1029		1442
1030	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1080		1493
1081	=cut	1494	=cut
1082		1495
1083	sub list_logins {	1496	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1498	or return [];
1086		1499
1087	my @logins;	1500	my @logins;
1088		1501
1089	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1093		1511
1094	utf8::decode $login;	1512	utf8::decode $login;
1095	push @logins, $login;	1513	push @logins, $login;
1096	}	1514	}
1097		1515
…		…
1124	}	1542	}
1125		1543
1126	\@paths	1544	\@paths
1127	}	1545	}
1128		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1129	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1130		1599
1131	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1132		1601
1133	=cut	1602	=cut
1134		1603
1135	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1137		1606
1138	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1608	}
1142		1609
1143	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1144		1611
1145	Sends an ext event to the client.	1612	Sends an ext event to the client.
1146		1613
1147	=cut	1614	=cut
1148		1615
1149	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1151		1618
1152	delete $msg{msgid};	1619	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1620	}
1158		1621
1159	package cf;	1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1160		1650
1161	=back	1651	=back
1162
1163		1652
1164	=head3 cf::map	1653	=head3 cf::map
1165		1654
1166	=over 4	1655	=over 4
1167		1656
…		…
1222	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1223		1712
1224	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1225	local $self->{path};	1714	local $self->{path};
1226	local $self->{load_path};	1715	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1716
1230	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1231	}	1718	}
1232		1719
1233	sub normalise {	1720	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1281	return $self;	1768	return $self;
1282	}	1769	}
1283	}	1770	}
1284		1771
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1773	()
1287	}	1774	}
1288		1775
1289	sub init {	1776	sub init {
1290	my ($self) = @_;	1777	my ($self) = @_;
…		…
1305		1792
1306	# the original (read-only) location	1793	# the original (read-only) location
1307	sub load_path {	1794	sub load_path {
1308	my ($self) = @_;	1795	my ($self) = @_;
1309		1796
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1311	}	1798	}
1312		1799
1313	# the temporary/swap location	1800	# the temporary/swap location
1314	sub save_path {	1801	sub save_path {
1315	my ($self) = @_;	1802	my ($self) = @_;
1316		1803
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1319	}	1806	}
1320		1807
1321	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1322	sub uniq_path {	1809	sub uniq_path {
1323	my ($self) = @_;	1810	my ($self) = @_;
1324		1811
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1327	}	1814	}
1328		1815
1329	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1330	# all maps in C++...	1817	# all maps in C++...
1331	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1333		1820
1334	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1336	}	1823	}
1337		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1338	sub unlink_save {	1833	sub unlink_save {
1339	my ($self) = @_;	1834	my ($self) = @_;
1340		1835
1341	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1345		1840
1346	sub load_header_from($) {	1841	sub load_header_from($) {
1347	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1348		1843
1349	utf8::encode $path;	1844	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1355		1853
1356	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1357		1855
1358	1	1856	1
1359	}	1857	}
…		…
1398	$self->load_header_orig	1896	$self->load_header_orig
1399	or return;	1897	or return;
1400	$self->prepare_orig;	1898	$self->prepare_orig;
1401	}	1899	}
1402		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
		1906
1403	1	1907	1
1404	}	1908	}
1405		1909
1406	sub find;	1910	sub find;
1407	sub find {	1911	sub find {
1408	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1409		1913
1410	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1411		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1413		1918
1414	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1416	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1417	or return;	1924	or return;
1418		1925
1419	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1420		1927
1421	$map->load_header	1928	$map->load_header
1422	or return;	1929	or return;
1423		1930
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1427	$map->reset;	1936	$map->reset;
1428	undef $guard;
1429	return find $path;	1937	return find $path;
1430	}	1938	}
1431		1939
1432	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1433	}	1941	}
…		…
1440	my ($self) = @_;	1948	my ($self) = @_;
1441		1949
1442	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1443		1951
1444	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1445	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1446		1956
		1957	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		1959
1449	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1450		1961
1451	$self->alloc;	1962	$self->alloc;
1452		1963
1453	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1454		1966
1455	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1456	or return;	1970	or return;
1457		1971
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459	if delete $self->{load_original};	1973	if delete $self->{load_original};
1460		1974
1461	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	1976	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	1979	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1466	}	1983	}
1467	}	1984	}
1468		1985
1469	Coro::cede;	1986	$f->resolve_delayed_derefs;
1470		1987
		1988	cf::cede_to_tick;
1471	# now do the right thing for maps	1989	# now do the right thing for maps
1472	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	1992	unless $self->difficulty;
1482	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1483	$self->activate;	2002	$self->activate;
		2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1484	}	2009	}
1485		2010
1486	$self->post_load;	2011	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2012	}
1490		2013
1491	sub customise_for {	2014	sub customise_for {
1492	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1493		2016
1494	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2018	if $self->per_player;
1496		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1497	$self	2023	$self
1498	}	2024	}
1499		2025
1500	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2027	sub load_neighbours {
1502	my ($map) = @_;	2028	my ($map) = @_;
1503		2029
1504	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1505		2031
1506	for (0 .. 3) {	2032	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1508	or next;	2034	or next;
1509	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1510	or next;	2036	or next;
1511	$neigh->load;	2037	$neigh->load;
1512		2038
		2039	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2042	}
1516		2043
1517	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1519	or next;	2047	or next;
1520	$neigh->load;	2048	$neigh->load;
1521	}	2049	}
1522	}	2050	}
1523		2051
…		…
1528	}	2056	}
1529		2057
1530	sub do_load_sync {	2058	sub do_load_sync {
1531	my ($map) = @_;	2059	my ($map) = @_;
1532		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1533	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1534	}	2065	}
1535		2066
1536	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1538		2069
1539	sub find_async {	2070	sub find_async {
1540	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1541		2072
1542	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1543		2074
1544	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1546	}	2077	}
1547		2078
1548	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1549	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1550	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2086	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2087	$map->load if $v;
		2088	}
1555		2089
1556	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1557	}	2091	}
1558	}	2092	}
1559	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1560	};	2094	};
1561	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2098	}
1565		2099
1566	sub save {	2100	sub save {
1567	my ($self) = @_;	2101	my ($self) = @_;
1568		2102
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2104
1571	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1572		2106
1573	return unless $self->dirty;	2107	return unless $self->dirty;
1574		2108
…		…
1580	return if $self->{deny_save};	2114	return if $self->{deny_save};
1581		2115
1582	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1583		2117
1584	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1586	};	2121	};
1587		2122
1588	if ($uniq) {	2123	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1597	my ($self) = @_;	2132	my ($self) = @_;
1598		2133
1599	# save first because save cedes	2134	# save first because save cedes
1600	$self->save;	2135	$self->save;
1601		2136
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2138
1604	return if $self->players;	2139	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};	2141	return if $self->{deny_save};
1607		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2147	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2148	}
1611		2149
1612	sub reset_at {	2150	sub reset_at {
1613	my ($self) = @_;	2151	my ($self) = @_;
1614		2152
1615	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1618		2155
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2158
…		…
1632	my ($self) = @_;	2169	my ($self) = @_;
1633		2170
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2172
1636	return if $self->players;	2173	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2174
1639	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1640		2176
1641	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1642		2178
1643	# need to save uniques path	2179	# need to save uniques path
1644	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2184	if $uniq;
1649	}	2185	}
1650		2186
1651	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1652		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2191	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2192
1657	$self->unlink_save;	2193	$self->unlink_save;
1658	$self->destroy;	2194	$self->destroy;
1659	}	2195	}
1660		2196
1661	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1662		2198
1663	sub nuke {	2199	sub nuke {
1664	my ($self) = @_;	2200	my ($self) = @_;
1665		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1666	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1667		2206
1668	$self->unlink_save;	2207	$self->unlink_save;
1669		2208
1670	bless $self, "cf::map";	2209	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2214
1676	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1677		2217
1678	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1679	}	2255	}
1680		2256
1681	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1682		2258
1683	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2260	instantiated unique items. May block.
1685		2261
1686	=cut	2262	=cut
1687		2263
1688	sub unique_maps() {	2264	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1690	or return;	2266	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2267	utf8::decode $_;
1696	next if /\.pst$/;	2268	/\.map$/
1697	next unless /^$PATH_SEP/o;	2269	? normalise $_
1698		2270	: ()
1699	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2272	]
1701
1702	\@paths
1703	}	2273	}
1704		2274
1705	package cf;	2275	package cf;
1706		2276
1707	=back	2277	=back
…		…
1725	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1726	}	2296	}
1727		2297
1728	sub inv_recursive {	2298	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1730	}	2328	}
1731		2329
1732	package cf;	2330	package cf;
1733		2331
1734	=back	2332	=back
…		…
1753		2351
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2353
1756	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1758	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1761	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1762	}	2379	}
1763		2380
1764	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1765		2382
1766	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1813	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1814		2431
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2433
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1819		2436
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2438	}
1822		2439
1823	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1825		2444
1826	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1827		2446
1828	unless ($map) {	2447	unless ($map) {
1829	# restore original map position	2448	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1846		2465
1847	$map->load;	2466	$map->load;
1848	$map->load_diag;	2467	$map->load_neighbours;
1849		2468
1850	return unless $self->contr->active;	2469	return unless $self->contr->active;
1851	$self->activate_recursive;	2470	$self->activate_recursive;
1852		2471
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1855	}	2474	}
1856		2475
1857	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2477
1861	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1865	};	2482	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2483
1871	# try to abort aborted map switching on player login :)
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1892		2487
1893	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2493
1896	$self->enter_link;	2494	$self->enter_link;
1897		2495
1898	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1899	my $map = eval {	2518	my $map = eval {
1900	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1902	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2534	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1907	})->prio (1);	2542	})->prio (1);
1908	}	2543	}
1909		2544
1910	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1911		2546
…		…
1950		2585
1951	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1952		2587
1953	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1954	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1956		2591
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2594	undef $fh;
1960	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1969		2604
1970	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1971		2606
1972	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job	2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
1974	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1975	}	2612	}
1976		2613
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1980		2617
1981	$self->enter_link;	2618	$self->enter_link;
1982		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1983	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1984	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1985	unless (eval {	2628	unless (eval {
1986	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1987		2630
1988	1;	2631	1;
1989	}) {	2632	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2637
1995	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2639	$self->leave_link;
1997	}	2640	}
1998	})->prio (1);	2641	})->prio (1);
…		…
2014		2657
2015	utf8::encode $text;	2658	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2660	}
2018		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
		2755	=item $client->ext_msg ($type, @msg)
		2756
		2757	Sends an ext event to the client.
		2758
		2759	=cut
		2760
		2761	sub cf::client::ext_msg($$@) {
		2762	my ($self, $type, @msg) = @_;
		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
		2767	push @msg, msgtype => "event_$type";
		2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
		2788	}
2019		2789
2020	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
2021		2791
2022	Queues a query to the client, calling the given callback with	2792	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2795
2026	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2797	become reliable at some point in the future.
2028		2798
2029	=cut	2799	=cut
2030		2800
2031	sub cf::client::query {	2801	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2810	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2812
2043	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
2045	}	2817	}
2046		2818
2047	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
2048	on_reply => sub {	2825	on_reply => sub {
2049	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
2050		2827
2051	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
2052	# get handled first	2829	# get handled first
…		…
2064	} else {	2841	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	2843	}
2067	}	2844	}
2068	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
2069	);	2872	);
2070		2873
2071	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
2072		2875
2073	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
2116		2919
2117	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
2118		2921
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
2120		2927
2121	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
2122		2929
2123	=pod	2930	=pod
2124		2931
2125	The following functions and methods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
2126		2933
2127	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
2128	cf::object::player player	2938	cf::object::player
2129	cf::player peaceful	2939	player
2130	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
2131		2946
2132	=cut	2947	=cut
2133		2948
2134	for (	2949	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2136	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2139	) {	2956	) {
2140	no strict 'refs';	2957	no strict 'refs';
…		…
2211	=back	3028	=back
2212		3029
2213	=cut	3030	=cut
2214		3031
2215	#############################################################################	3032	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	3033	# the server's init and main functions
2289		3034
2290	sub load_facedata {	3035	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3036	my ($path) = @_;
		3037
		3038	# HACK to clear player env face cache, we need some signal framework
		3039	# for this (global event?)
		3040	%ext::player_env::MUSIC_FACE_CACHE = ();
		3041
		3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		3043
2293	warn "loading facedata from $path\n";	3044	warn "loading facedata from $path\n";
2294		3045
2295	my $faces;	3046	my $facedata;
2296	0 < aio_load $path, $faces	3047	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3048	or die "$path: $!";
2298		3049
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3050	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3051
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3052	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3054
		3055	# patch in the exptable
		3056	$facedata->{resource}{"res/exp_table"} = {
		3057	type => FT_RSRC,
		3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3059	};
		3060	cf::cede_to_tick;
		3061
		3062	{
		3063	my $faces = $facedata->{faceinfo};
		3064
2307	while (my ($face, $info) = each %$faces) {	3065	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3067	cf::face::set_visibility $idx, $info->{visibility};
		3068	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3071
		3072	cf::cede_to_tick;
		3073	}
		3074
2315	while (my ($face, $info) = each %$faces) {	3075	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3076	next unless $info->{smooth};
2317	my $idx = cf::face::find $face	3077	my $idx = cf::face::find $face
2318	or next;	3078	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3079	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3080	cf::face::set_smooth $idx, $smooth;
		3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3082	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3084	}
2324	Coro::cede;	3085
		3086	cf::cede_to_tick;
		3087	}
		3088	}
		3089
		3090	{
		3091	my $anims = $facedata->{animinfo};
		3092
		3093	while (my ($anim, $info) = each %$anims) {
		3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3095	cf::cede_to_tick;
		3096	}
		3097
		3098	cf::anim::invalidate_all; # d'oh
		3099	}
		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
2325	}	3148	}
2326		3149
2327	1	3150	1
2328	}	3151	}
2329		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
		3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
		3166	load_resource_file "$MAPDIR/regions"
		3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
		3173	}
		3174
		3175	sub reload_facedata {
		3176	load_facedata "$DATADIR/facedata"
		3177	or die "unable to load facedata\n";
		3178	}
		3179
		3180	sub reload_archetypes {
		3181	load_resource_file "$DATADIR/archetypes"
		3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
		3186	load_resource_file "$DATADIR/archetypes"
		3187	or die "unable to load archetypes\n";
		3188	}
		3189
		3190	sub reload_treasures {
		3191	load_resource_file "$DATADIR/treasures"
		3192	or die "unable to load treasurelists\n";
		3193	}
		3194
2330	sub reload_resources {	3195	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3196	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3197
		3198	reload_regions;
2333	load_facedata	3199	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3200	#reload_archetypes;#d#
		3201	reload_archetypes;
		3202	reload_treasures;
		3203
		3204	warn "finished reloading resource files\n";
2335	}	3205	}
2336		3206
2337	sub init {	3207	sub init {
2338	reload_resources;	3208	reload_resources;
2339	}	3209	}
2340		3210
2341	sub cfg_load {	3211	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3213	or return;
2344		3214
2345	local $/;	3215	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
2347		3217
…		…
2362	sub main {	3232	sub main {
2363	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2367	Event::one_event;	3238	Event::one_event;
2368	})->prio (Coro::PRIO_MAX);	3239	})->prio (Coro::PRIO_MAX);
2369	};	3240	};
2370		3241
2371	cfg_load;	3242	reload_config;
2372	db_init;	3243	db_init;
2373	load_extensions;	3244	load_extensions;
2374		3245
2375	$TICK_WATCHER->start;	3246	$TICK_WATCHER->start;
2376	Event::loop;	3247	Event::loop;
…		…
2392	},	3263	},
2393	);	3264	);
2394	}	3265	}
2395	}	3266	}
2396		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
		3304	}
		3305
2397	sub emergency_save() {	3306	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2399		3308
2400	warn "enter emergency perl save\n";	3309	warn "enter emergency perl save\n";
2401		3310
…		…
2405	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2407	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3320	$pl->save;
2411	}	3321	}
2412	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2413		3323
2414	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2432		3342
2433	warn Carp::longmess "post_cleanup backtrace"	3343	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3344	if $make_core;
2435	}	3345	}
2436		3346
2437	sub reload() {	3347	sub do_reload_perl() {
2438	# can/must only be called in main	3348	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3349	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3350	warn "can only reload from main coroutine";
2441	return;	3351	return;
2442	}	3352	}
…		…
2462		3372
2463	warn "flushing outstanding aio requests";	3373	warn "flushing outstanding aio requests";
2464	for (;;) {	3374	for (;;) {
2465	BDB::flush;	3375	BDB::flush;
2466	IO::AIO::flush;	3376	IO::AIO::flush;
2467	Coro::cede;	3377	Coro::cede_notself;
2468	last unless IO::AIO::nreqs || BDB::nreqs;	3378	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";	3379	warn "iterate...";
2470	}	3380	}
2471		3381
2472	++$RELOAD;	3382	++$RELOAD;
…		…
2476	%EXT_CORO = ();	3386	%EXT_CORO = ();
2477		3387
2478	warn "removing commands";	3388	warn "removing commands";
2479	%COMMAND = ();	3389	%COMMAND = ();
2480		3390
2481	warn "removing ext commands";	3391	warn "removing ext/exti commands";
2482	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2483		3394
2484	warn "unloading/nuking all extensions";	3395	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2487		3398
…		…
2517	Symbol::delete_package "safe::$_"	3428	Symbol::delete_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3429	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3430
2520	warn "unloading cf.pm \"a bit\"";	3431	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3432	delete $INC{"cf.pm"};
		3433	delete $INC{"cf/pod.pm"};
2522		3434
2523	# don't, removes xs symbols, too,	3435	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3436	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3437	#Symbol::delete_package __PACKAGE__;
2526		3438
…		…
2529	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2530	require cf;	3442	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3444
2533	warn "loading config and database again";	3445	warn "loading config and database again";
2534	cf::cfg_load;	3446	cf::reload_config;
2535		3447
2536	warn "loading extensions";	3448	warn "loading extensions";
2537	cf::load_extensions;	3449	cf::load_extensions;
2538		3450
2539	warn "reattaching attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
…		…
2541	warn "reattaching attachments to maps";	3453	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3454	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3455	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3456	reattach $_ for values %PLAYER;
2545		3457
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	3458	warn "leaving sync_job";
2550		3459
2551	1	3460	1
2552	} or do {	3461	} or do {
2553	warn $@;	3462	warn $@;
…		…
2558	warn "reloaded";	3467	warn "reloaded";
2559	};	3468	};
2560		3469
2561	our $RELOAD_WATCHER; # used only during reload	3470	our $RELOAD_WATCHER; # used only during reload
2562		3471
		3472	sub reload_perl() {
		3473	# doing reload synchronously and two reloads happen back-to-back,
		3474	# coro crashes during coro_state_free->destroy here.
		3475
		3476	$RELOAD_WATCHER ||= Event->timer (
		3477	reentrant => 0,
		3478	after => 0,
		3479	data => WF_AUTOCANCEL,
		3480	cb => sub {
		3481	do_reload_perl;
		3482	undef $RELOAD_WATCHER;
		3483	},
		3484	);
		3485	}
		3486
2563	register_command "reload" => sub {	3487	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2565		3489
2566	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3491	$who->message ("reloading server.");
2568		3492	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3493	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3494	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3495	};
2581	}	3496	}
2582	};	3497	};
2583		3498
2584	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
2585		3500
2586	my $bug_warning = 0;	3501	my $bug_warning = 0;
		3502
		3503	our @WAIT_FOR_TICK;
		3504	our @WAIT_FOR_TICK_BEGIN;
		3505
		3506	sub wait_for_tick {
		3507	return unless $TICK_WATCHER->is_active;
		3508	return if $Coro::current == $Coro::main;
		3509
		3510	my $signal = new Coro::Signal;
		3511	push @WAIT_FOR_TICK, $signal;
		3512	$signal->wait;
		3513	}
		3514
		3515	sub wait_for_tick_begin {
		3516	return unless $TICK_WATCHER->is_active;
		3517	return if $Coro::current == $Coro::main;
		3518
		3519	my $signal = new Coro::Signal;
		3520	push @WAIT_FOR_TICK_BEGIN, $signal;
		3521	$signal->wait;
		3522	}
2587		3523
2588	$TICK_WATCHER = Event->timer (	3524	$TICK_WATCHER = Event->timer (
2589	reentrant => 0,	3525	reentrant => 0,
2590	parked => 1,	3526	parked => 1,
2591	prio => 0,	3527	prio => 0,
…		…
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3533	unless ++$bug_warning > 10;
2598	return;	3534	return;
2599	}	3535	}
2600		3536
2601	$NOW = Event::time;	3537	$NOW = $tick_start = Event::time;
2602		3538
2603	cf::server_tick; # one server iteration	3539	cf::server_tick; # one server iteration
		3540
2604	$RUNTIME += $TICK;	3541	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2606		3543
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
2609	Coro::async_pool {	3546	Coro::async_pool {
		3547	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	3548	write_runtime
2611	or warn "ERROR: unable to write runtime file: $!";	3549	or warn "ERROR: unable to write runtime file: $!";
2612	};	3550	};
2613	}	3551	}
2614		3552
2615	$WAIT_FOR_TICK->broadcast;	3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3554	$sig->send;
		3555	}
		3556	while (my $sig = shift @WAIT_FOR_TICK) {
		3557	$sig->send;
		3558	}
2617		3559
2618	# my $AFTER = Event::time;	3560	$NOW = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620		3561
2621	# if we are delayed by four ticks or more, skip them all	3562	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2623		3564
2624	$TICK_WATCHER->at ($NEXT_TICK);	3565	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;	3566	$TICK_WATCHER->start;
		3567
		3568	$LOAD = ($NOW - $tick_start) / $TICK;
		3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3570
		3571	_post_tick;
2626	},	3572	},
2627	);	3573	);
2628		3574
2629	{	3575	{
		3576	BDB::min_parallel 8;
2630	BDB::max_poll_time $TICK * 0.1;	3577	BDB::max_poll_time $TICK * 0.1;
2631	$BDB_POLL_WATCHER = Event->io (	3578	$BDB_POLL_WATCHER = Event->io (
2632	reentrant => 0,	3579	reentrant => 0,
2633	fd => BDB::poll_fileno,	3580	fd => BDB::poll_fileno,
2634	poll => 'r',	3581	poll => 'r',
2635	prio => 0,	3582	prio => 0,
2636	data => WF_AUTOCANCEL,	3583	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,	3584	cb => \&BDB::poll_cb,
2638	);	3585	);
2639	BDB::min_parallel 8;
2640		3586
2641	BDB::set_sync_prepare {	3587	BDB::set_sync_prepare {
2642	my $status;	3588	my $status;
2643	my $current = $Coro::current;	3589	my $current = $Coro::current;
2644	(	3590	(
…		…
2653	)	3599	)
2654	};	3600	};
2655		3601
2656	unless ($DB_ENV) {	3602	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		3608
2659	cf::sync_job {	3609	cf::sync_job {
2660	eval {	3610	eval {
2661	BDB::db_env_open	3611	BDB::db_env_open
2662	$DB_ENV,	3612	$DB_ENV,
2663	$BDB_ENV_DIR,	3613	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3616	0666;
2667		3617
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3618	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	3619	};
2673		3620
2674	cf::cleanup "db_env_open(db): $@" if $@;	3621	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3622	};
2676	}	3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
		3626	after => 3,
		3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
		3631	cb => sub {
		3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3633	},
		3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
2677	}	3655	}
2678		3656
2679	{	3657	{
2680	IO::AIO::min_parallel 8;	3658	IO::AIO::min_parallel 8;
2681		3659
…		…
2684	$AIO_POLL_WATCHER = Event->io (	3662	$AIO_POLL_WATCHER = Event->io (
2685	reentrant => 0,	3663	reentrant => 0,
2686	data => WF_AUTOCANCEL,	3664	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,	3665	fd => IO::AIO::poll_fileno,
2688	poll => 'r',	3666	poll => 'r',
2689	prio => 6,	3667	prio => 0,
2690	cb => \&IO::AIO::poll_cb,	3668	cb => \&IO::AIO::poll_cb,
2691	);	3669	);
2692	}	3670	}
2693		3671
		3672	my $_log_backtrace;
		3673
		3674	sub _log_backtrace {
		3675	my ($msg, @addr) = @_;
		3676
		3677	$msg =~ s/\n//;
		3678
		3679	# limit the # of concurrent backtraces
		3680	if ($_log_backtrace < 2) {
		3681	++$_log_backtrace;
		3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
		3685	my @bt = fork_call {
		3686	@addr = map { sprintf "%x", $_ } @addr;
		3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3689	or die "addr2line: $!";
		3690
		3691	my @funcs;
		3692	my @res = <$fh>;
		3693	chomp for @res;
		3694	while (@res) {
		3695	my ($func, $line) = splice @res, 0, 2, ();
		3696	push @funcs, "[$func] $line";
		3697	}
		3698
		3699	@funcs
		3700	};
		3701
		3702	LOG llevInfo, "[ABT] $msg\n";
		3703	LOG llevInfo, "[ABT] $_\n" for @bt;
		3704	--$_log_backtrace;
		3705	};
		3706	} else {
		3707	LOG llevInfo, "[ABT] $msg\n";
		3708	LOG llevInfo, "[ABT] [suppressed]\n";
		3709	}
		3710	}
		3711
		3712	# load additional modules
		3713	use cf::pod;
		3714
2694	END { cf::emergency_save }	3715	END { cf::emergency_save }
2695		3716
2696	1	3717	1
2697		3718

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