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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.389 by root, Sat Oct 20 04:39:57 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"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	651	}
377		652
378	=back	653	=back
379		654
380	=cut	655	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
389		664
390	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>
391	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
392	crossfire+).	667	Crossfire TRT).
393		668
394	=over 4	669	=over 4
395		670
396	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
397		672
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
561		836
562	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		841
567	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	843	my $pkg = shift @arg;
569		844
570	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
600	}	875	}
601		876
602	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
603	} else {	878	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	880	}
606		881
607	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
608	}	883	}
609		884
…		…
611	if (ref $_[0]) {	886	if (ref $_[0]) {
612	_object_attach @_;	887	_object_attach @_;
613	} else {	888	} else {
614	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
615	}	890	}
		891	_recalc_want;
616	};	892	};
617		893
618	# all those should be optimised	894	# all those should be optimised
619	sub cf::attachable::detach {	895	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
624	reattach ($obj);	900	reattach ($obj);
625	} else {	901	} else {
626	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
627	}	903	}
		904	_recalc_want;
628	};	905	};
629		906
630	sub cf::attachable::attached {	907	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
632		909
…		…
647	";	924	";
648	die if $@;	925	die if $@;
649	}	926	}
650		927
651	our $override;	928	our $override;
652	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?
653		930
654	sub override {	931	sub override {
655	$override = 1;	932	$override = 1;
656	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
657	}	934	}
658		935
659	sub do_invoke {	936	sub do_invoke {
660	my $event = shift;	937	my $event = shift;
661	my $callbacks = shift;	938	my $callbacks = shift;
662		939
663	@invoke_results = ();	940	@INVOKE_RESULTS = ();
664		941
665	local $override;	942	local $override;
666		943
667	for (@$callbacks) {	944	for (@$callbacks) {
668	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
685		962
686	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
687		964
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		968
692	=back	969	=back
693		970
694	=cut	971	=cut
695		972
696	#############################################################################	973	#############################################################################
697	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
698		1017
699	sub reattach {	1018	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1020	my ($obj) = @_;
702		1021
…		…
749	sub object_freezer_save {	1068	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
751		1070
752	sync_job {	1071	sync_job {
753	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
756		1076
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1081	close $fh;
762		1082
763	if (@$objs) {	1083	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1089	close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
771	}	1091	}
…		…
779	}	1099	}
780	} else {	1100	} else {
781	aio_unlink $filename;	1101	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
783	}	1103	}
784	}	1104	};
785	}	1105	}
786		1106
787	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
789		1109
…		…
801	or return;	1121	or return;
802		1122
803	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
805	or return;	1125	or return;
		1126
806	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
807	}	1129	}
808		1130
		1131	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
811	return ($data, $av);	1135	($data, $av)
812	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
813		1143
814	#############################################################################	1144	#############################################################################
815	# command handling &c	1145	# command handling &c
816		1146
817	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1161	}
832		1162
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1164
835	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.
836		1170
837	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
838	called.	1172	called.
839		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
840	=cut	1185	=cut
841		1186
842	sub register_extcmd {	1187	sub register_extcmd {
843	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
844		1189
845	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
846	}	1197	}
847		1198
848	cf::player->attach (	1199	cf::player->attach (
849	on_command => sub {	1200	on_command => sub {
850	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1210	cf::override;
860	},	1211	},
861	on_extcmd => sub {	1212	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
863		1214
864	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1216
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
872	} else {	1232	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1234	}
875		1235
876	cf::override;	1236	cf::override;
877	},	1237	},
878	);	1238	);
879		1239
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
915	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1245	next unless -r $path;
917	eval {	1246
918	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;
919	1	1304	}
920	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
921	}	1310	};
922	}	1311	}
923		1312
924	#############################################################################	1313	#############################################################################
925		1314
		1315	=back
		1316
926	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
927		1318
928	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
929		1320
930	=cut	1321	=cut
…		…
935		1326
936	=head3 cf::player	1327	=head3 cf::player
937		1328
938	=over 4	1329	=over 4
939		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
940	=item cf::player::find $login	1345	=item cf::player::find $login
941		1346
942	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
943		1348
944	=cut	1349	=cut
945		1350
946	sub playerdir($) {	1351	sub playerdir($) {
947	cf::localdir	1352	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1354	}
953		1355
954	sub path($) {	1356	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1358
957	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
958	}	1360	}
959		1361
960	sub find_active($) {	1362	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1377	my $login = $_[0];
976		1378
977	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
978		1380
979	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
983	}	1397	}
984	}	1398	}
985	}	1399	}
986		1400
…		…
996		1410
997	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
999		1413
1000	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1001	Coro::cede;	1415	cf::cede_to_tick;
1002	}	1416	}
1003		1417
1004	sub new($) {	1418	sub new($) {
1005	my ($login) = @_;	1419	my ($login) = @_;
1006		1420
…		…
1010	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1011		1425
1012	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1013		1427
1014	$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 (@_);
1015	}	1439	}
1016		1440
1017	=item $pl->quit_character	1441	=item $pl->quit_character
1018		1442
1019	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
…		…
1068	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1069		1493
1070	=cut	1494	=cut
1071		1495
1072	sub list_logins {	1496	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1498	or return [];
1075		1499
1076	my @logins;	1500	my @logins;
1077		1501
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1082		1511
1083	utf8::decode $login;	1512	utf8::decode $login;
1084	push @logins, $login;	1513	push @logins, $login;
1085	}	1514	}
1086		1515
…		…
1113	}	1542	}
1114		1543
1115	\@paths	1544	\@paths
1116	}	1545	}
1117		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
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1119		1599
1120	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1121		1601
1122	=cut	1602	=cut
1123		1603
1124	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1126		1606
1127	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1608	}
1131		1609
1132	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		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	$match
		1649	}
1133		1650
1134	=back	1651	=back
1135
1136		1652
1137	=head3 cf::map	1653	=head3 cf::map
1138		1654
1139	=over 4	1655	=over 4
1140		1656
…		…
1195	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1196		1712
1197	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1198	local $self->{path};	1714	local $self->{path};
1199	local $self->{load_path};	1715	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1716
1203	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1204	}	1718	}
1205		1719
1206	sub normalise {	1720	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1254	return $self;	1768	return $self;
1255	}	1769	}
1256	}	1770	}
1257		1771
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1773	()
1260	}	1774	}
1261		1775
1262	sub init {	1776	sub init {
1263	my ($self) = @_;	1777	my ($self) = @_;
…		…
1278		1792
1279	# the original (read-only) location	1793	# the original (read-only) location
1280	sub load_path {	1794	sub load_path {
1281	my ($self) = @_;	1795	my ($self) = @_;
1282		1796
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1284	}	1798	}
1285		1799
1286	# the temporary/swap location	1800	# the temporary/swap location
1287	sub save_path {	1801	sub save_path {
1288	my ($self) = @_;	1802	my ($self) = @_;
1289		1803
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1292	}	1806	}
1293		1807
1294	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1295	sub uniq_path {	1809	sub uniq_path {
1296	my ($self) = @_;	1810	my ($self) = @_;
1297		1811
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1300	}	1814	}
1301		1815
1302	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1303	# all maps in C++...	1817	# all maps in C++...
1304	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1306		1820
1307	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1309	}	1823	}
1310		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1311	sub unlink_save {	1833	sub unlink_save {
1312	my ($self) = @_;	1834	my ($self) = @_;
1313		1835
1314	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1840
1319	sub load_header_from($) {	1841	sub load_header_from($) {
1320	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1321		1843
1322	utf8::encode $path;	1844	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1853
1329	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1330		1855
1331	1	1856	1
1332	}	1857	}
…		…
1371	$self->load_header_orig	1896	$self->load_header_orig
1372	or return;	1897	or return;
1373	$self->prepare_orig;	1898	$self->prepare_orig;
1374	}	1899	}
1375		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 $self->default_region;
		1906
1376	1	1907	1
1377	}	1908	}
1378		1909
1379	sub find;	1910	sub find;
1380	sub find {	1911	sub find {
1381	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1382		1913
1383	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1384		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1386		1918
1387	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1388	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
1389	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1390	or return;	1924	or return;
1391		1925
1392	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1393		1927
1394	$map->load_header	1928	$map->load_header
1395	or return;	1929	or return;
1396		1930
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1400	$map->reset;	1936	$map->reset;
1401	undef $guard;
1402	return find $path;	1937	return find $path;
1403	}	1938	}
1404		1939
1405	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1406	}	1941	}
…		…
1413	my ($self) = @_;	1948	my ($self) = @_;
1414		1949
1415	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1416		1951
1417	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1419		1956
		1957	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1959
1422	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1423		1961
1424	$self->alloc;	1962	$self->alloc;
1425		1963
1426	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1427		1966
1428	$self->_load_objects ($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)
1429	or return;	1970	or return;
1430		1971
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1973	if delete $self->{load_original};
1433		1974
1434	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1976	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1979	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1439	}	1983	}
1440	}	1984	}
1441		1985
1442	Coro::cede;	1986	$f->resolve_delayed_derefs;
1443		1987
		1988	cf::cede_to_tick;
1444	# now do the right thing for maps	1989	# now do the right thing for maps
1445	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1992	unless $self->difficulty;
1455	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($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;
1456	$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);
1457	}	2009	}
1458		2010
1459	$self->post_load;	2011	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2012	}
1463		2013
1464	sub customise_for {	2014	sub customise_for {
1465	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1466		2016
1467	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2018	if $self->per_player;
1469		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1470	$self	2023	$self
1471	}	2024	}
1472		2025
1473	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2027	sub load_neighbours {
1475	my ($map) = @_;	2028	my ($map) = @_;
1476		2029
1477	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1478		2031
1479	for (0 .. 3) {	2032	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1481	or next;	2034	or next;
1482	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1483	or next;	2036	or next;
1484	$neigh->load;	2037	$neigh->load;
1485		2038
		2039	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2042	}
1489		2043
1490	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1492	or next;	2047	or next;
1493	$neigh->load;	2048	$neigh->load;
1494	}	2049	}
1495	}	2050	}
1496		2051
…		…
1501	}	2056	}
1502		2057
1503	sub do_load_sync {	2058	sub do_load_sync {
1504	my ($map) = @_;	2059	my ($map) = @_;
1505		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1506	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1507	}	2065	}
1508		2066
1509	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1511		2069
1512	sub find_async {	2070	sub find_async {
1513	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1514		2072
1515	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1516		2074
1517	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2077	}
1520		2078
1521	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1522	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1523	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2086	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2087	$map->load if $v;
		2088	}
1528		2089
1529	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1530	}	2091	}
1531	}	2092	}
1532	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1533	};	2094	};
1534	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2098	}
1538		2099
1539	sub save {	2100	sub save {
1540	my ($self) = @_;	2101	my ($self) = @_;
1541		2102
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2104
1544	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1545		2106
1546	return unless $self->dirty;	2107	return unless $self->dirty;
1547		2108
…		…
1553	return if $self->{deny_save};	2114	return if $self->{deny_save};
1554		2115
1555	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1556		2117
1557	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1559	};	2121	};
1560		2122
1561	if ($uniq) {	2123	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2132	my ($self) = @_;
1571		2133
1572	# save first because save cedes	2134	# save first because save cedes
1573	$self->save;	2135	$self->save;
1574		2136
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2138
1577	return if $self->players;	2139	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2141	return if $self->{deny_save};
1580		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2147	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2148	}
1584		2149
1585	sub reset_at {	2150	sub reset_at {
1586	my ($self) = @_;	2151	my ($self) = @_;
1587		2152
1588	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1591		2155
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2158
…		…
1605	my ($self) = @_;	2169	my ($self) = @_;
1606		2170
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2172
1609	return if $self->players;	2173	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2174
1612	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1613		2176
1614	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1615		2178
1616	# need to save uniques path	2179	# need to save uniques path
1617	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2184	if $uniq;
1622	}	2185	}
1623		2186
1624	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1625		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2191	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2192
1630	$self->unlink_save;	2193	$self->unlink_save;
1631	$self->destroy;	2194	$self->destroy;
1632	}	2195	}
1633		2196
1634	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1635		2198
1636	sub nuke {	2199	sub nuke {
1637	my ($self) = @_;	2200	my ($self) = @_;
1638		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1639	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1640		2206
1641	$self->unlink_save;	2207	$self->unlink_save;
1642		2208
1643	bless $self, "cf::map";	2209	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2214
1649	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1650		2217
1651	$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	]
1652	}	2255	}
1653		2256
1654	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1655		2258
1656	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2260	instantiated unique items. May block.
1658		2261
1659	=cut	2262	=cut
1660		2263
1661	sub unique_maps() {	2264	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1663	or return;	2266	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2267	utf8::decode $_;
1669	next if /\.pst$/;	2268	/\.map$/
1670	next unless /^$PATH_SEP/o;	2269	? normalise $_
1671		2270	: ()
1672	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2272	]
1674
1675	\@paths
1676	}	2273	}
1677		2274
1678	package cf;	2275	package cf;
1679		2276
1680	=back	2277	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1699	}	2296	}
1700		2297
1701	sub inv_recursive {	2298	sub inv_recursive {
1702	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	}
1703	}	2328	}
1704		2329
1705	package cf;	2330	package cf;
1706		2331
1707	=back	2332	=back
…		…
1726		2351
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2353
1729	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1734	}	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 (@_);
1735	}	2379	}
1736		2380
1737	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1738		2382
1739	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1787		2431
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2433
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1792		2436
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2438	}
1795		2439
1796	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1798		2444
1799	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1800		2446
1801	unless ($map) {	2447	unless ($map) {
1802	# restore original map position	2448	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1819		2465
1820	$map->load;	2466	$map->load;
1821	$map->load_diag;	2467	$map->load_neighbours;
1822		2468
1823	return unless $self->contr->active;	2469	return unless $self->contr->active;
1824	$self->activate_recursive;	2470	$self->activate_recursive;
1825		2471
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1828	}	2474	}
1829		2475
1830	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2477
1834	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1838	};	2482	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2483
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1865		2487
1866	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1867	my ($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;
1868		2493
1869	$self->enter_link;	2494	$self->enter_link;
1870		2495
1871	(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
1872	my $map = eval {	2518	my $map = eval {
1873	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2534	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1880	})->prio (1);	2542	})->prio (1);
1881	}	2543	}
1882		2544
1883	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1884		2546
…		…
1923		2585
1924	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1925		2587
1926	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1929		2591
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2594	undef $fh;
1933	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1942		2604
1943	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1944		2606
1945	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1946	#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
1947	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1948	}	2612	}
1949		2613
1950	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;
1951	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1953		2617
1954	$self->enter_link;	2618	$self->enter_link;
1955		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
1956	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1957	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2628	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1960		2630
1961	1;	2631	1;
1962	}) {	2632	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2637
1968	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2639	$self->leave_link;
1970	}	2640	}
1971	})->prio (1);	2641	})->prio (1);
…		…
1987		2657
1988	utf8::encode $text;	2658	utf8::encode $text;
1989	$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);
1990	}	2660	}
1991		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<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	);
		2697
		2698	sub cf::client::send_msg {
		2699	my ($self, $channel, $msg, $color, @extra) = @_;
		2700
		2701	$msg = $self->pl->expand_cfpod ($msg);
		2702
		2703	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2704
		2705	# check predefined channels, for the benefit of C
		2706	if ($CHANNEL{$channel}) {
		2707	$channel = $CHANNEL{$channel};
		2708
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711
		2712	$channel = $channel->{id};
		2713
		2714	} elsif (ref $channel) {
		2715	# send meta info to client, if not yet sent
		2716	unless (exists $self->{channel}{$channel->{id}}) {
		2717	$self->{channel}{$channel->{id}} = $channel;
		2718	$self->ext_msg (channel_info => $channel)
		2719	if $self->can_msg;
		2720	}
		2721
		2722	$channel = $channel->{id};
		2723	}
		2724
		2725	return unless @extra || length $msg;
		2726
		2727	if ($self->can_msg) {
		2728	# default colour, mask it out
		2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2730	if $color & cf::NDI_DEF;
		2731
		2732	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2734	} else {
		2735	if ($color >= 0) {
		2736	# replace some tags by gcfclient-compatible ones
		2737	for ($msg) {
		2738	1 while
		2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2744	}
		2745
		2746	$color &= cf::NDI_COLOR_MASK;
		2747
		2748	utf8::encode $msg;
		2749
		2750	if (0 && $msg =~ /\[/) {
		2751	# COMMAND/INFO
		2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2753	} else {
		2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2755	$self->send_packet ("drawinfo $color $msg")
		2756	}
		2757	}
		2758	}
		2759	}
		2760
		2761	=item $client->ext_msg ($type, @msg)
		2762
		2763	Sends an ext event to the client.
		2764
		2765	=cut
		2766
		2767	sub cf::client::ext_msg($$@) {
		2768	my ($self, $type, @msg) = @_;
		2769
		2770	if ($self->extcmd == 2) {
		2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2772	} elsif ($self->extcmd == 1) { # TODO: remove
		2773	push @msg, msgtype => "event_$type";
		2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2775	}
		2776	}
		2777
		2778	=item $client->ext_reply ($msgid, @msg)
		2779
		2780	Sends an ext reply to the client.
		2781
		2782	=cut
		2783
		2784	sub cf::client::ext_reply($$@) {
		2785	my ($self, $id, @msg) = @_;
		2786
		2787	if ($self->extcmd == 2) {
		2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2789	} elsif ($self->extcmd == 1) {
		2790	#TODO: version 1, remove
		2791	unshift @msg, msgtype => "reply", msgid => $id;
		2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2793	}
		2794	}
1992		2795
1993	=item $success = $client->query ($flags, "text", \&cb)	2796	=item $success = $client->query ($flags, "text", \&cb)
1994		2797
1995	Queues a query to the client, calling the given callback with	2798	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2799	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2800	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2801
1999	Queries can fail, so check the return code. Or don't, as queries will become	2802	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2803	become reliable at some point in the future.
2001		2804
2002	=cut	2805	=cut
2003		2806
2004	sub cf::client::query {	2807	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2808	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2816	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2817	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2818
2016	$self->send_packet ($self->{query_queue}[0][0])	2819	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2820	if @{ $self->{query_queue} } == 1;
		2821
		2822	1
2018	}	2823	}
2019		2824
2020	cf::client->attach (	2825	cf::client->attach (
		2826	on_connect => sub {
		2827	my ($ns) = @_;
		2828
		2829	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2830	},
2021	on_reply => sub {	2831	on_reply => sub {
2022	my ($ns, $msg) = @_;	2832	my ($ns, $msg) = @_;
2023		2833
2024	# this weird shuffling is so that direct followup queries	2834	# this weird shuffling is so that direct followup queries
2025	# get handled first	2835	# get handled first
…		…
2037	} else {	2847	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2848	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2849	}
2040	}	2850	}
2041	},	2851	},
		2852	on_exticmd => sub {
		2853	my ($ns, $buf) = @_;
		2854
		2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2856
		2857	if (ref $msg) {
		2858	my ($type, $reply, @payload) =
		2859	"ARRAY" eq ref $msg
		2860	? @$msg
		2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2862
		2863	my @reply;
		2864
		2865	if (my $cb = $EXTICMD{$type}) {
		2866	@reply = $cb->($ns, @payload);
		2867	}
		2868
		2869	$ns->ext_reply ($reply, @reply)
		2870	if $reply;
		2871
		2872	} else {
		2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2874	}
		2875
		2876	cf::override;
		2877	},
2042	);	2878	);
2043		2879
2044	=item $client->async (\&cb)	2880	=item $client->async (\&cb)
2045		2881
2046	Create a new coroutine, running the specified callback. The coroutine will	2882	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2923	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2924	our $safe_hole = new Safe::Hole;
2089		2925
2090	$SIG{FPE} = 'IGNORE';	2926	$SIG{FPE} = 'IGNORE';
2091		2927
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2928	$safe->permit_only (Opcode::opset qw(
		2929	:base_core :base_mem :base_orig :base_math
		2930	grepstart grepwhile mapstart mapwhile
		2931	sort time
		2932	));
2093		2933
2094	# here we export the classes and methods available to script code	2934	# here we export the classes and methods available to script code
2095		2935
2096	=pod	2936	=pod
2097		2937
2098	The following functions and methods are available within a safe environment:	2938	The following functions and methods are available within a safe environment:
2099		2939
2100	cf::object contr pay_amount pay_player map	2940	cf::object
		2941	contr pay_amount pay_player map x y force_find force_add destroy
		2942	insert remove name archname title slaying race decrease_ob_nr
		2943
2101	cf::object::player player	2944	cf::object::player
2102	cf::player peaceful	2945	player
2103	cf::map trigger	2946
		2947	cf::player
		2948	peaceful
		2949
		2950	cf::map
		2951	trigger
2104		2952
2105	=cut	2953	=cut
2106		2954
2107	for (	2955	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2957	insert remove inv name archname title slaying race
		2958	decrease_ob_nr destroy)],
2109	["cf::object::player" => qw(player)],	2959	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2960	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2961	["cf::map" => qw(trigger)],
2112	) {	2962	) {
2113	no strict 'refs';	2963	no strict 'refs';
…		…
2184	=back	3034	=back
2185		3035
2186	=cut	3036	=cut
2187		3037
2188	#############################################################################	3038	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3039	# the server's init and main functions
2262		3040
2263	sub load_faces {	3041	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3042	my ($path) = @_;
2265		3043
		3044	# HACK to clear player env face cache, we need some signal framework
		3045	# for this (global event?)
		3046	%ext::player_env::MUSIC_FACE_CACHE = ();
		3047
		3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3049
2266	warn "loading faces from $path\n";	3050	warn "loading facedata from $path\n";
2267		3051
2268	my $faces;	3052	my $facedata;
2269	0 < aio_load $path, $faces	3053	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3054	or die "$path: $!";
2271		3055
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3056	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3057
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3058	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3059	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3060
		3061	# patch in the exptable
		3062	$facedata->{resource}{"res/exp_table"} = {
		3063	type => FT_RSRC,
		3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3065	};
		3066	cf::cede_to_tick;
		3067
		3068	{
		3069	my $faces = $facedata->{faceinfo};
		3070
2280	while (my ($face, $info) = each %$faces) {	3071	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3073	cf::face::set_visibility $idx, $info->{visibility};
		3074	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
2287	while (my ($face, $info) = each %$faces) {	3081	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3082	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	3083	my $idx = cf::face::find $face
2290	or next;	3084	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3085	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3086	cf::face::set_smooth $idx, $smooth;
		3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3088	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3089	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3090	}
2296	Coro::cede;	3091
		3092	cf::cede_to_tick;
		3093	}
		3094	}
		3095
		3096	{
		3097	my $anims = $facedata->{animinfo};
		3098
		3099	while (my ($anim, $info) = each %$anims) {
		3100	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3101	cf::cede_to_tick;
		3102	}
		3103
		3104	cf::anim::invalidate_all; # d'oh
		3105	}
		3106
		3107	{
		3108	# TODO: for gcfclient pleasure, we should give resources
		3109	# that gcfclient doesn't grok a >10000 face index.
		3110	my $res = $facedata->{resource};
		3111
		3112	my $soundconf = delete $res->{"res/sound.conf"};
		3113
		3114	while (my ($name, $info) = each %$res) {
		3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3116	my $data;
		3117
		3118	if ($info->{type} & 1) {
		3119	# prepend meta info
		3120
		3121	my $meta = $enc->encode ({
		3122	name => $name,
		3123	%{ $info->{meta} || {} },
		3124	});
		3125
		3126	$data = pack "(w/a*)*", $meta, $info->{data};
		3127	} else {
		3128	$data = $info->{data};
		3129	}
		3130
		3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3132	cf::face::set_type $idx, $info->{type};
		3133
		3134	cf::cede_to_tick;
		3135	}
		3136
		3137	if ($soundconf) {
		3138	$soundconf = $enc->decode (delete $soundconf->{data});
		3139
		3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3141	my $sound = $soundconf->{compat}[$_]
		3142	or next;
		3143
		3144	my $face = cf::face::find "sound/$sound->[1]";
		3145	cf::sound::set $sound->[0] => $face;
		3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3147	}
		3148
		3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3150	my $face = cf::face::find "sound/$v";
		3151	cf::sound::set $k => $face;
		3152	}
		3153	}
2297	}	3154	}
2298		3155
2299	1	3156	1
2300	}	3157	}
2301		3158
		3159	register_exticmd fx_want => sub {
		3160	my ($ns, $want) = @_;
		3161
		3162	while (my ($k, $v) = each %$want) {
		3163	$ns->fx_want ($k, $v);
		3164	}
		3165	};
		3166
		3167	sub reload_regions {
		3168	# HACK to clear player env face cache, we need some signal framework
		3169	# for this (global event?)
		3170	%ext::player_env::MUSIC_FACE_CACHE = ();
		3171
		3172	load_resource_file "$MAPDIR/regions"
		3173	or die "unable to load regions file\n";
		3174
		3175	for (cf::region::list) {
		3176	$_->{match} = qr/$_->{match}/
		3177	if exists $_->{match};
		3178	}
		3179	}
		3180
		3181	sub reload_facedata {
		3182	load_facedata "$DATADIR/facedata"
		3183	or die "unable to load facedata\n";
		3184	}
		3185
		3186	sub reload_archetypes {
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	#d# NEED to laod twice to resolve forward references
		3190	# this really needs to be done in an extra post-pass
		3191	# (which needs to be synchronous, so solve it differently)
		3192	load_resource_file "$DATADIR/archetypes"
		3193	or die "unable to load archetypes\n";
		3194	}
		3195
		3196	sub reload_treasures {
		3197	load_resource_file "$DATADIR/treasures"
		3198	or die "unable to load treasurelists\n";
		3199	}
		3200
2302	sub reload_resources {	3201	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3202	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3203
		3204	reload_regions;
2305	load_faces	3205	reload_facedata;
2306	or die "unable to load faces\n";#d#	3206	#reload_archetypes;#d#
		3207	reload_archetypes;
		3208	reload_treasures;
		3209
		3210	warn "finished reloading resource files\n";
2307	}	3211	}
2308		3212
2309	sub init {	3213	sub init {
2310	reload_resources;	3214	reload_resources;
2311	}	3215	}
2312		3216
2313	sub cfg_load {	3217	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3218	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3219	or return;
2316		3220
2317	local $/;	3221	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3222	*CFG = YAML::Syck::Load <$fh>;
2319		3223
…		…
2334	sub main {	3238	sub main {
2335	# we must not ever block the main coroutine	3239	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3240	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3242	(async {
		3243	$Coro::current->{desc} = "IDLE BUG HANDLER";
2339	Event::one_event;	3244	Event::one_event;
2340	})->prio (Coro::PRIO_MAX);	3245	})->prio (Coro::PRIO_MAX);
2341	};	3246	};
2342		3247
2343	cfg_load;	3248	reload_config;
2344	db_init;	3249	db_init;
2345	load_extensions;	3250	load_extensions;
2346		3251
2347	$TICK_WATCHER->start;	3252	$TICK_WATCHER->start;
2348	Event::loop;	3253	Event::loop;
…		…
2364	},	3269	},
2365	);	3270	);
2366	}	3271	}
2367	}	3272	}
2368		3273
		3274	sub write_runtime {
		3275	my $runtime = "$LOCALDIR/runtime";
		3276
		3277	# first touch the runtime file to show we are still running:
		3278	# the fsync below can take a very very long time.
		3279
		3280	IO::AIO::aio_utime $runtime, undef, undef;
		3281
		3282	my $guard = cf::lock_acquire "write_runtime";
		3283
		3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3285	or return;
		3286
		3287	my $value = $cf::RUNTIME + 90 + 10;
		3288	# 10 is the runtime save interval, for a monotonic clock
		3289	# 60 allows for the watchdog to kill the server.
		3290
		3291	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3292	and return;
		3293
		3294	# always fsync - this file is important
		3295	aio_fsync $fh
		3296	and return;
		3297
		3298	# touch it again to show we are up-to-date
		3299	aio_utime $fh, undef, undef;
		3300
		3301	close $fh
		3302	or return;
		3303
		3304	aio_rename "$runtime~", $runtime
		3305	and return;
		3306
		3307	warn "runtime file written.\n";
		3308
		3309	1
		3310	}
		3311
2369	sub emergency_save() {	3312	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3313	my $freeze_guard = cf::freeze_mainloop;
2371		3314
2372	warn "enter emergency perl save\n";	3315	warn "enter emergency perl save\n";
2373		3316
…		…
2377	# and maps saved/destroyed asynchronously.	3320	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3321	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3322	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3323	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3324	$pl->valid or next;
		3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3326	$pl->save;
2383	}	3327	}
2384	warn "end emergency player save\n";	3328	warn "end emergency player save\n";
2385		3329
2386	warn "begin emergency map save\n";	3330	warn "begin emergency map save\n";
…		…
2404		3348
2405	warn Carp::longmess "post_cleanup backtrace"	3349	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3350	if $make_core;
2407	}	3351	}
2408		3352
2409	sub reload() {	3353	sub do_reload_perl() {
2410	# can/must only be called in main	3354	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3355	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3356	warn "can only reload from main coroutine";
2413	return;	3357	return;
2414	}	3358	}
…		…
2434		3378
2435	warn "flushing outstanding aio requests";	3379	warn "flushing outstanding aio requests";
2436	for (;;) {	3380	for (;;) {
2437	BDB::flush;	3381	BDB::flush;
2438	IO::AIO::flush;	3382	IO::AIO::flush;
2439	Coro::cede;	3383	Coro::cede_notself;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3384	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";	3385	warn "iterate...";
2442	}	3386	}
2443		3387
2444	++$RELOAD;	3388	++$RELOAD;
…		…
2448	%EXT_CORO = ();	3392	%EXT_CORO = ();
2449		3393
2450	warn "removing commands";	3394	warn "removing commands";
2451	%COMMAND = ();	3395	%COMMAND = ();
2452		3396
2453	warn "removing ext commands";	3397	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3398	%EXTCMD = ();
		3399	%EXTICMD = ();
2455		3400
2456	warn "unloading/nuking all extensions";	3401	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3402	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3403	warn "... unloading $pkg";
2459		3404
…		…
2489	Symbol::delete_package "safe::$_"	3434	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3436
2492	warn "unloading cf.pm \"a bit\"";	3437	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3438	delete $INC{"cf.pm"};
		3439	delete $INC{"cf/pod.pm"};
2494		3440
2495	# don't, removes xs symbols, too,	3441	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3442	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3443	#Symbol::delete_package __PACKAGE__;
2498		3444
…		…
2501	warn "reloading cf.pm";	3447	warn "reloading cf.pm";
2502	require cf;	3448	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3450
2505	warn "loading config and database again";	3451	warn "loading config and database again";
2506	cf::cfg_load;	3452	cf::reload_config;
2507		3453
2508	warn "loading extensions";	3454	warn "loading extensions";
2509	cf::load_extensions;	3455	cf::load_extensions;
2510		3456
2511	warn "reattaching attachments to objects/players";	3457	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3459	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3460	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3461	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3462	reattach $_ for values %PLAYER;
2517		3463
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3464	warn "leaving sync_job";
2522		3465
2523	1	3466	1
2524	} or do {	3467	} or do {
2525	warn $@;	3468	warn $@;
…		…
2530	warn "reloaded";	3473	warn "reloaded";
2531	};	3474	};
2532		3475
2533	our $RELOAD_WATCHER; # used only during reload	3476	our $RELOAD_WATCHER; # used only during reload
2534		3477
		3478	sub reload_perl() {
		3479	# doing reload synchronously and two reloads happen back-to-back,
		3480	# coro crashes during coro_state_free->destroy here.
		3481
		3482	$RELOAD_WATCHER ||= Event->timer (
		3483	reentrant => 0,
		3484	after => 0,
		3485	data => WF_AUTOCANCEL,
		3486	cb => sub {
		3487	do_reload_perl;
		3488	undef $RELOAD_WATCHER;
		3489	},
		3490	);
		3491	}
		3492
2535	register_command "reload" => sub {	3493	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3494	my ($who, $arg) = @_;
2537		3495
2538	if ($who->flag (FLAG_WIZ)) {	3496	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3497	$who->message ("reloading server.");
2540		3498	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3499	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3500	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3501	};
2553	}	3502	}
2554	};	3503	};
2555		3504
2556	unshift @INC, $LIBDIR;	3505	unshift @INC, $LIBDIR;
2557		3506
2558	my $bug_warning = 0;	3507	my $bug_warning = 0;
		3508
		3509	our @WAIT_FOR_TICK;
		3510	our @WAIT_FOR_TICK_BEGIN;
		3511
		3512	sub wait_for_tick {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK, $signal;
		3518	$signal->wait;
		3519	}
		3520
		3521	sub wait_for_tick_begin {
		3522	return unless $TICK_WATCHER->is_active;
		3523	return if $Coro::current == $Coro::main;
		3524
		3525	my $signal = new Coro::Signal;
		3526	push @WAIT_FOR_TICK_BEGIN, $signal;
		3527	$signal->wait;
		3528	}
2559		3529
2560	$TICK_WATCHER = Event->timer (	3530	$TICK_WATCHER = Event->timer (
2561	reentrant => 0,	3531	reentrant => 0,
2562	parked => 1,	3532	parked => 1,
2563	prio => 0,	3533	prio => 0,
…		…
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3539	unless ++$bug_warning > 10;
2570	return;	3540	return;
2571	}	3541	}
2572		3542
2573	$NOW = Event::time;	3543	$NOW = $tick_start = Event::time;
2574		3544
2575	cf::server_tick; # one server iteration	3545	cf::server_tick; # one server iteration
		3546
2576	$RUNTIME += $TICK;	3547	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3548	$NEXT_TICK += $TICK;
2578		3549
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3551	$NEXT_RUNTIME_WRITE = $NOW + 10;
2581	Coro::async_pool {	3552	Coro::async_pool {
		3553	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3554	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3555	or warn "ERROR: unable to write runtime file: $!";
2584	};	3556	};
2585	}	3557	}
2586		3558
2587	$WAIT_FOR_TICK->broadcast;	3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3560	$sig->send;
		3561	}
		3562	while (my $sig = shift @WAIT_FOR_TICK) {
		3563	$sig->send;
		3564	}
2589		3565
2590	# my $AFTER = Event::time;	3566	$NOW = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592		3567
2593	# if we are delayed by four ticks or more, skip them all	3568	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2595		3570
2596	$TICK_WATCHER->at ($NEXT_TICK);	3571	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;	3572	$TICK_WATCHER->start;
		3573
		3574	$LOAD = ($NOW - $tick_start) / $TICK;
		3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3576
		3577	_post_tick;
2598	},	3578	},
2599	);	3579	);
2600		3580
2601	{	3581	{
		3582	BDB::min_parallel 8;
2602	BDB::max_poll_time $TICK * 0.1;	3583	BDB::max_poll_time $TICK * 0.1;
2603	$BDB_POLL_WATCHER = Event->io (	3584	$BDB_POLL_WATCHER = Event->io (
2604	reentrant => 0,	3585	reentrant => 0,
2605	fd => BDB::poll_fileno,	3586	fd => BDB::poll_fileno,
2606	poll => 'r',	3587	poll => 'r',
2607	prio => 0,	3588	prio => 0,
2608	data => WF_AUTOCANCEL,	3589	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,	3590	cb => \&BDB::poll_cb,
2610	);	3591	);
2611	BDB::min_parallel 8;
2612		3592
2613	BDB::set_sync_prepare {	3593	BDB::set_sync_prepare {
2614	my $status;	3594	my $status;
2615	my $current = $Coro::current;	3595	my $current = $Coro::current;
2616	(	3596	(
…		…
2625	)	3605	)
2626	};	3606	};
2627		3607
2628	unless ($DB_ENV) {	3608	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3609	$DB_ENV = BDB::db_env_create;
		3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3611	| BDB::LOG_AUTOREMOVE, 1);
		3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3614
2631	cf::sync_job {	3615	cf::sync_job {
2632	eval {	3616	eval {
2633	BDB::db_env_open	3617	BDB::db_env_open
2634	$DB_ENV,	3618	$DB_ENV,
2635	$BDB_ENV_DIR,	3619	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3620	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3621	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3622	0666;
2639		3623
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3624	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3625	};
2645		3626
2646	cf::cleanup "db_env_open(db): $@" if $@;	3627	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3628	};
2648	}	3629	}
		3630
		3631	$BDB_DEADLOCK_WATCHER = Event->timer (
		3632	after => 3,
		3633	interval => 1,
		3634	hard => 1,
		3635	prio => 0,
		3636	data => WF_AUTOCANCEL,
		3637	cb => sub {
		3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3639	},
		3640	);
		3641	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3642	after => 11,
		3643	interval => 60,
		3644	hard => 1,
		3645	prio => 0,
		3646	data => WF_AUTOCANCEL,
		3647	cb => sub {
		3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3649	},
		3650	);
		3651	$BDB_TRICKLE_WATCHER = Event->timer (
		3652	after => 5,
		3653	interval => 10,
		3654	hard => 1,
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => sub {
		3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3659	},
		3660	);
2649	}	3661	}
2650		3662
2651	{	3663	{
2652	IO::AIO::min_parallel 8;	3664	IO::AIO::min_parallel 8;
2653		3665
…		…
2656	$AIO_POLL_WATCHER = Event->io (	3668	$AIO_POLL_WATCHER = Event->io (
2657	reentrant => 0,	3669	reentrant => 0,
2658	data => WF_AUTOCANCEL,	3670	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,	3671	fd => IO::AIO::poll_fileno,
2660	poll => 'r',	3672	poll => 'r',
2661	prio => 6,	3673	prio => 0,
2662	cb => \&IO::AIO::poll_cb,	3674	cb => \&IO::AIO::poll_cb,
2663	);	3675	);
2664	}	3676	}
2665		3677
		3678	my $_log_backtrace;
		3679
		3680	sub _log_backtrace {
		3681	my ($msg, @addr) = @_;
		3682
		3683	$msg =~ s/\n//;
		3684
		3685	# limit the # of concurrent backtraces
		3686	if ($_log_backtrace < 2) {
		3687	++$_log_backtrace;
		3688	async {
		3689	$Coro::current->{desc} = "abt $msg";
		3690
		3691	my @bt = fork_call {
		3692	@addr = map { sprintf "%x", $_ } @addr;
		3693	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3694	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3695	or die "addr2line: $!";
		3696
		3697	my @funcs;
		3698	my @res = <$fh>;
		3699	chomp for @res;
		3700	while (@res) {
		3701	my ($func, $line) = splice @res, 0, 2, ();
		3702	push @funcs, "[$func] $line";
		3703	}
		3704
		3705	@funcs
		3706	};
		3707
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] $_\n" for @bt;
		3710	--$_log_backtrace;
		3711	};
		3712	} else {
		3713	LOG llevInfo, "[ABT] $msg\n";
		3714	LOG llevInfo, "[ABT] [suppressed]\n";
		3715	}
		3716	}
		3717
		3718	# load additional modules
		3719	use cf::pod;
		3720
2666	END { cf::emergency_save }	3721	END { cf::emergency_save }
2667		3722
2668	1	3723	1
2669		3724

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