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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 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;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	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
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	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(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		83
67	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	88	our $DB_ENV;
69		89
70	our %CFG;	90	our %CFG;
71		91
72	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	93	our $RUNTIME;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		98
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $tick_start; # for load detecting purposes
		105
87	binmode STDOUT;	106	binmode STDOUT;
88	binmode STDERR;	107	binmode STDERR;
89		108
90	# read virtual server time, if available	109	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
95	}	114	}
96		115
97	mkdir cf::localdir;	116	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		118
104	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
105		120
106	sub cf::map::normalise;	121	sub cf::map::normalise;
107		122
…		…
118	=item $cf::RUNTIME	133	=item $cf::RUNTIME
119		134
120	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
121	every server tick.	136	every server tick.
122		137
123	=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
124		141
125	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		146
128	=item $cf::NOW	147	=item $cf::NOW
129		148
130	The time of the last (current) server tick.	149	The time of the last (current) server tick.
131		150
132	=item $cf::TICK	151	=item $cf::TICK
133		152
134	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.
135		164
136	=item %cf::CFG	165	=item %cf::CFG
137		166
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	168	from wherever your confdir points to.
140		169
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		171
143	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
144	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
145	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.
146	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.
147		181
148	=back	182	=back
149		183
150	=cut	184	=cut
151		185
152	BEGIN {	186	BEGIN {
153	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	188	my $msg = join "", @_;
155	utf8::encode $msg;
156		189
157	$msg .= "\n"	190	$msg .= "\n"
158	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
159		194
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
163		198
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		206
171	# 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
172	# within the Safe compartment.	208	# within the Safe compartment.
173	for my $pkg (qw(	209	for my $pkg (qw(
174	cf::global cf::attachable	210	cf::global cf::attachable
…		…
182	}	218	}
183		219
184	$Event::DIED = sub {	220	$Event::DIED = sub {
185	warn "error in event callback: @_";	221	warn "error in event callback: @_";
186	};	222	};
		223
		224	#############################################################################
187		225
188	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
189		227
190	=over 4	228	=over 4
191		229
…		…
210	$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;
211	$d	249	$d
212	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
213	}	251	}
214		252
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
218		254
219	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
220		256
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	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]) }
224		267
225	=item cf::lock_wait $string	268	=item cf::lock_wait $string
226		269
227	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
228		271
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
234	returned.	277	returned.
235		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
236	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
237	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
238		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
239	=cut	289	=cut
240		290
241	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
242		293
243	sub lock_wait($) {	294	sub lock_wait($) {
244	my ($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#
245		301
246	# wait for lock, if any	302	# wait for lock, if any
247	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	305	Coro::schedule;
…		…
255		311
256	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
257	lock_wait $key;	313	lock_wait $key;
258		314
259	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
260		317
261	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
264	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
265	}	329	}
266		330
267	sub freeze_mainloop {	331	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
269		333
…		…
272	};	336	};
273	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
274	$guard	338	$guard
275	}	339	}
276		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
277	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
278		400
279	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
280	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
281	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.
…		…
284		406
285	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
286		408
287	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
288		410
289	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)
290	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
291	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.
292		415
293	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
294	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
295	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
296	fast or be very important.	419	fast or be very important.
…		…
299		422
300	sub sync_job(&) {	423	sub sync_job(&) {
301	my ($job) = @_;	424	my ($job) = @_;
302		425
303	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
304	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
306		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
307	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	435	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
310		437
311	my $busy = 1;	438	my $busy = 1;
312	my @res;	439	my @res;
313		440
314	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	443	@res = eval { $job->() };
316	warn $@ if $@;	444	warn $@ if $@;
317	undef $busy;	445	undef $busy;
318	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
319		447
320	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
321	Coro::cede or Event::one_event;	452	Event::one_event;
322	}	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
323		462
324	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
325	} else {	464	} else {
326	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
327		466
…		…
347	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
348		487
349	$coro	488	$coro
350	}	489	}
351		490
352	sub write_runtime {	491	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		492
355	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.
356		497
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
358	or return;
359		499
360	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		502
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
365	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
366		506
367	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	508	reset_signals;
369	and return;	509	&$cb
		510	}, @args;
370		511
371	close $fh	512	wantarray ? @res : $res[-1]
372	or return;	513	}
373		514
374	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
375	and return;
376		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
377	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"
378	}	640	}
379		641
380	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
381		643
382	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
402		664
403	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>
404	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
405	crossfire+).	667	Crossfire TRT).
406		668
407	=over 4	669	=over 4
408		670
409	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
410		672
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
574		836
575	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		841
580	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	843	my $pkg = shift @arg;
582		844
583	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
613	}	875	}
614		876
615	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
616	} else {	878	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	880	}
619		881
620	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
621	}	883	}
622		884
…		…
624	if (ref $_[0]) {	886	if (ref $_[0]) {
625	_object_attach @_;	887	_object_attach @_;
626	} else {	888	} else {
627	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
628	}	890	}
		891	_recalc_want;
629	};	892	};
630		893
631	# all those should be optimised	894	# all those should be optimised
632	sub cf::attachable::detach {	895	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
637	reattach ($obj);	900	reattach ($obj);
638	} else {	901	} else {
639	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
640	}	903	}
		904	_recalc_want;
641	};	905	};
642		906
643	sub cf::attachable::attached {	907	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
645		909
…		…
660	";	924	";
661	die if $@;	925	die if $@;
662	}	926	}
663		927
664	our $override;	928	our $override;
665	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?
666		930
667	sub override {	931	sub override {
668	$override = 1;	932	$override = 1;
669	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
670	}	934	}
671		935
672	sub do_invoke {	936	sub do_invoke {
673	my $event = shift;	937	my $event = shift;
674	my $callbacks = shift;	938	my $callbacks = shift;
675		939
676	@invoke_results = ();	940	@INVOKE_RESULTS = ();
677		941
678	local $override;	942	local $override;
679		943
680	for (@$callbacks) {	944	for (@$callbacks) {
681	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
698		962
699	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
700		964
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		968
705	=back	969	=back
706		970
707	=cut	971	=cut
708		972
709	#############################################################################	973	#############################################################################
710	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
711		1017
712	sub reattach {	1018	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1020	my ($obj) = @_;
715		1021
…		…
762	sub object_freezer_save {	1068	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
764		1070
765	sync_job {	1071	sync_job {
766	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
769		1076
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1081	close $fh;
775		1082
776	if (@$objs) {	1083	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1089	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
784	}	1091	}
…		…
792	}	1099	}
793	} else {	1100	} else {
794	aio_unlink $filename;	1101	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
796	}	1103	}
797	}	1104	};
798	}	1105	}
799		1106
800	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
802		1109
…		…
814	or return;	1121	or return;
815		1122
816	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
818	or return;	1125	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };
820	}
821		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
824	return ($data, $av);	1136	($data, $av)
825	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
826		1144
827	#############################################################################	1145	#############################################################################
828	# command handling &c	1146	# command handling &c
829		1147
830	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1162	}
845		1163
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1165
848	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
849		1171
850	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
851	called.	1173	called.
852		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
853	=cut	1186	=cut
854		1187
855	sub register_extcmd {	1188	sub register_extcmd {
856	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
857		1190
858	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
859	}	1198	}
860		1199
861	cf::player->attach (	1200	cf::player->attach (
862	on_command => sub {	1201	on_command => sub {
863	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1211	cf::override;
873	},	1212	},
874	on_extcmd => sub {	1213	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
876		1215
877	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1217
879	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
885	} else {	1233	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1235	}
888		1236
889	cf::override;	1237	cf::override;
890	},	1238	},
891	);	1239	);
892		1240
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
928	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1246	next unless -r $path;
930	eval {	1247
931	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
932	1	1305	}
933	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
934	}	1311	};
935	}	1312	}
936		1313
937	#############################################################################	1314	#############################################################################
938		1315
		1316	=back
		1317
939	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
940		1319
941	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
942		1321
943	=cut	1322	=cut
…		…
948		1327
949	=head3 cf::player	1328	=head3 cf::player
950		1329
951	=over 4	1330	=over 4
952		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
953	=item cf::player::find $login	1346	=item cf::player::find $login
954		1347
955	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
956		1349
957	=cut	1350	=cut
958		1351
959	sub playerdir($) {	1352	sub playerdir($) {
960	cf::localdir	1353	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1355	}
966		1356
967	sub path($) {	1357	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1388	aio_unlink +(playerdir $login) . "/$login.pl";
999		1389
1000	my $pl = load_pl path $login	1390	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
1003	}	1398	}
1004	}	1399	}
1005	}	1400	}
1006		1401
…		…
1016		1411
1017	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1019		1414
1020	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1021	Coro::cede;	1416	cf::cede_to_tick;
1022	}	1417	}
1023		1418
1024	sub new($) {	1419	sub new($) {
1025	my ($login) = @_;	1420	my ($login) = @_;
1026		1421
…		…
1030	$self->{deny_save} = 1;	1425	$self->{deny_save} = 1;
1031		1426
1032	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1033		1428
1034	$self	1429	$self
		1430	}
		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
1035	}	1440	}
1036		1441
1037	=item $pl->quit_character	1442	=item $pl->quit_character
1038		1443
1039	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1089		1494
1090	=cut	1495	=cut
1091		1496
1092	sub list_logins {	1497	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1499	or return [];
1095		1500
1096	my @logins;	1501	my @logins;
1097		1502
1098	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1102		1512
1103	utf8::decode $login;	1513	utf8::decode $login;
1104	push @logins, $login;	1514	push @logins, $login;
1105	}	1515	}
1106		1516
…		…
1133	}	1543	}
1134		1544
1135	\@paths	1545	\@paths
1136	}	1546	}
1137		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1138	=item $player->ext_reply ($msgid, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1139		1600
1140	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1141		1602
1142	=cut	1603	=cut
1143		1604
1144	sub ext_reply($$%) {	1605	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1146		1607
1147	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1609	}
1151		1610
1152	=item $player->ext_event ($type, %msg)	1611	=item $player->ext_msg ($type, @msg)
1153		1612
1154	Sends an ext event to the client.	1613	Sends an ext event to the client.
1155		1614
1156	=cut	1615	=cut
1157		1616
1158	sub ext_event($$%) {	1617	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1618	my ($self, $type, @msg) = @_;
1160		1619
1161	$self->ns->ext_event ($type, %msg);	1620	$self->ns->ext_msg ($type, @msg);
1162	}	1621	}
1163		1622
1164	=head3 cf::region	1623	=head3 cf::region
1165		1624
1166	=over 4	1625	=over 4
…		…
1169		1628
1170	package cf::region;	1629	package cf::region;
1171		1630
1172	=item cf::region::find_by_path $path	1631	=item cf::region::find_by_path $path
1173		1632
1174	Tries to decuce the probable region for a map knowing only its path.	1633	Tries to decuce the likely region for a map knowing only its path.
1175		1634
1176	=cut	1635	=cut
1177		1636
1178	sub find_by_path($) {	1637	sub find_by_path($) {
1179	my ($path) = @_;	1638	my ($path) = @_;
1180		1639
1181	my ($match, $specificity);	1640	my ($match, $specificity);
1182		1641
1183	for my $region (list) {	1642	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1643	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1644	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1645	if $region->specificity > $specificity;
1187	}	1646	}
1188	}	1647	}
1189		1648
…		…
1253	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1254		1713
1255	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1256	local $self->{path};	1715	local $self->{path};
1257	local $self->{load_path};	1716	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1717
1261	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1262	}	1719	}
1263		1720
1264	sub normalise {	1721	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1312	return $self;	1769	return $self;
1313	}	1770	}
1314	}	1771	}
1315		1772
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1774	()
1318	}	1775	}
1319		1776
1320	sub init {	1777	sub init {
1321	my ($self) = @_;	1778	my ($self) = @_;
…		…
1336		1793
1337	# the original (read-only) location	1794	# the original (read-only) location
1338	sub load_path {	1795	sub load_path {
1339	my ($self) = @_;	1796	my ($self) = @_;
1340		1797
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1798	"$MAPDIR/$self->{path}.map"
1342	}	1799	}
1343		1800
1344	# the temporary/swap location	1801	# the temporary/swap location
1345	sub save_path {	1802	sub save_path {
1346	my ($self) = @_;	1803	my ($self) = @_;
1347		1804
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1806	"$TMPDIR/$path.map"
1350	}	1807	}
1351		1808
1352	# the unique path, undef == no special unique path	1809	# the unique path, undef == no special unique path
1353	sub uniq_path {	1810	sub uniq_path {
1354	my ($self) = @_;	1811	my ($self) = @_;
1355		1812
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1814	"$UNIQUEDIR/$path"
1358	}	1815	}
1359		1816
1360	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1361	# all maps in C++...	1818	# all maps in C++...
1362	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1364		1821
1365	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1367	}	1824	}
1368		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1369	sub unlink_save {	1834	sub unlink_save {
1370	my ($self) = @_;	1835	my ($self) = @_;
1371		1836
1372	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1841
1377	sub load_header_from($) {	1842	sub load_header_from($) {
1378	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1379		1844
1380	utf8::encode $path;	1845	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1386		1854
1387	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1388		1856
1389	1	1857	1
1390	}	1858	}
…		…
1429	$self->load_header_orig	1897	$self->load_header_orig
1430	or return;	1898	or return;
1431	$self->prepare_orig;	1899	$self->prepare_orig;
1432	}	1900	}
1433		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
1434	$self->default_region (cf::region::find_by_path $self->{path})	1905	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1906	unless $self->default_region;
1436		1907
1437	1	1908	1
1438	}	1909	}
…		…
1441	sub find {	1912	sub find {
1442	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1443		1914
1444	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1445		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1447		1919
1448	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1450	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1451	or return;	1925	or return;
1452		1926
1453	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1454		1928
1455	$map->load_header	1929	$map->load_header
1456	or return;	1930	or return;
1457		1931
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1461	$map->reset;	1937	$map->reset;
1462	undef $guard;
1463	return find $path;	1938	return find $path;
1464	}	1939	}
1465		1940
1466	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1467	}	1942	}
…		…
1474	my ($self) = @_;	1949	my ($self) = @_;
1475		1950
1476	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1477		1952
1478	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1480		1957
		1958	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		1960
1483	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1484		1962
1485	$self->alloc;	1963	$self->alloc;
1486		1964
1487	$self->pre_load;	1965	$self->pre_load;
		1966	cf::cede_to_tick;
1488		1967
1489	$self->_load_objects ($self->{load_path}, 1)	1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1490	or return;	1971	or return;
1491		1972
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493	if delete $self->{load_original};	1974	if delete $self->{load_original};
1494		1975
1495	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	1977	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	1980	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1500	}	1984	}
1501	}	1985	}
1502		1986
1503	Coro::cede;	1987	$f->resolve_delayed_derefs;
1504		1988
		1989	cf::cede_to_tick;
1505	# now do the right thing for maps	1990	# now do the right thing for maps
1506	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	1993	unless $self->difficulty;
1516	Coro::cede;	1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1517	$self->activate;	2003	$self->activate;
		2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
		2009	$self->in_memory (cf::MAP_IN_MEMORY);
1518	}	2010	}
1519		2011
1520	$self->post_load;	2012	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	2013	}
1524		2014
1525	sub customise_for {	2015	sub customise_for {
1526	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1527		2017
1528	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2019	if $self->per_player;
1530		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1531	$self	2024	$self
1532	}	2025	}
1533		2026
1534	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {	2028	sub load_neighbours {
1536	my ($map) = @_;	2029	my ($map) = @_;
1537		2030
1538	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1539		2032
1540	for (0 .. 3) {	2033	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1542	or next;	2035	or next;
1543	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1544	or next;	2037	or next;
1545	$neigh->load;	2038	$neigh->load;
1546		2039
		2040	push @neigh,
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}	2043	}
1550		2044
1551	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1552	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1553	or next;	2048	or next;
1554	$neigh->load;	2049	$neigh->load;
1555	}	2050	}
1556	}	2051	}
1557		2052
…		…
1562	}	2057	}
1563		2058
1564	sub do_load_sync {	2059	sub do_load_sync {
1565	my ($map) = @_;	2060	my ($map) = @_;
1566		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1567	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1568	}	2066	}
1569		2067
1570	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1572		2070
1573	sub find_async {	2071	sub find_async {
1574	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1575		2073
1576	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1577		2075
1578	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1580	}	2078	}
1581		2079
1582	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1583	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1584	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2087	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2088	$map->load if $v;
		2089	}
1589		2090
1590	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1591	}	2092	}
1592	}	2093	}
1593	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1594	};	2095	};
1595	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1598	}	2099	}
1599		2100
1600	sub save {	2101	sub save {
1601	my ($self) = @_;	2102	my ($self) = @_;
1602		2103
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1604		2105
1605	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1606		2107
1607	return unless $self->dirty;	2108	return unless $self->dirty;
1608		2109
…		…
1614	return if $self->{deny_save};	2115	return if $self->{deny_save};
1615		2116
1616	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1617		2118
1618	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1620	};	2122	};
1621		2123
1622	if ($uniq) {	2124	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1631	my ($self) = @_;	2133	my ($self) = @_;
1632		2134
1633	# save first because save cedes	2135	# save first because save cedes
1634	$self->save;	2136	$self->save;
1635		2137
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2139
1638	return if $self->players;	2140	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1640	return if $self->{deny_save};	2142	return if $self->{deny_save};
1641		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1642	$self->clear;	2148	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2149	}
1645		2150
1646	sub reset_at {	2151	sub reset_at {
1647	my ($self) = @_;	2152	my ($self) = @_;
1648		2153
1649	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1652		2156
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2159
…		…
1666	my ($self) = @_;	2170	my ($self) = @_;
1667		2171
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2173
1670	return if $self->players;	2174	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2175
1673	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
1674		2177
1675	$self->in_memory (cf::MAP_SWAPPED);	2178	$self->in_memory (cf::MAP_SWAPPED);
1676		2179
1677	# need to save uniques path	2180	# need to save uniques path
1678	unless ($self->{deny_save}) {	2181	unless ($self->{deny_save}) {
…		…
1682	if $uniq;	2185	if $uniq;
1683	}	2186	}
1684		2187
1685	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1686		2189
		2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2192	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2193
1691	$self->unlink_save;	2194	$self->unlink_save;
1692	$self->destroy;	2195	$self->destroy;
1693	}	2196	}
1694		2197
1695	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1696		2199
1697	sub nuke {	2200	sub nuke {
1698	my ($self) = @_;	2201	my ($self) = @_;
1699		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1700	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1701		2207
1702	$self->unlink_save;	2208	$self->unlink_save;
1703		2209
1704	bless $self, "cf::map";	2210	bless $self, "cf::map";
1705	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2215
1710	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1711		2218
1712	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1713	}	2256	}
1714		2257
1715	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1716		2259
1717	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2261	instantiated unique items. May block.
1719		2262
1720	=cut	2263	=cut
1721		2264
1722	sub unique_maps() {	2265	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2266	[
1724	or return;	2267	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2268	utf8::decode $_;
1730	next if /\.pst$/;	2269	/\.map$/
1731	next unless /^$PATH_SEP/o;	2270	? normalise $_
1732		2271	: ()
1733	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2273	]
1735
1736	\@paths
1737	}	2274	}
1738		2275
1739	package cf;	2276	package cf;
1740		2277
1741	=back	2278	=back
…		…
1759	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1760	}	2297	}
1761		2298
1762	sub inv_recursive {	2299	sub inv_recursive {
1763	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1764	}	2329	}
1765		2330
1766	package cf;	2331	package cf;
1767		2332
1768	=back	2333	=back
…		…
1787		2352
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2354
1790	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1792	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1793	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1795	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1796	}	2380	}
1797		2381
1798	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1799		2383
1800	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1847	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1848		2432
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2434
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1853		2437
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1855	}	2439	}
1856		2440
1857	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1859		2445
1860	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1861		2447
1862	unless ($map) {	2448	unless ($map) {
1863	# restore original map position	2449	# restore original map position
…		…
1877	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1880		2466
1881	$map->load;	2467	$map->load;
1882	$map->load_diag;	2468	$map->load_neighbours;
1883		2469
1884	return unless $self->contr->active;	2470	return unless $self->contr->active;
1885	$self->activate_recursive;	2471	$self->activate_recursive;
1886		2472
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1889	}	2475	}
1890		2476
1891	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1892	on_logout => sub {
1893	my ($pl) = @_;
1894		2478
1895	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1896	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1897	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1898	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1899	};	2483	be called at the end of this process.
1900	}
1901	},
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2484
1905	# try to abort aborted map switching on player login :)
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922
1923	=item $player_object->goto ($path, $x, $y)
1924
1925	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1926		2488
1927	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		2494
1930	$self->enter_link;	2495	$self->enter_link;
1931		2496
1932	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1933	my $map = eval {	2519	my $map = eval {
1934	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
		2524	$map = $check->($map) if $check && $map;
		2525	} else {
		2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
		2528
1936	$map	2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
1937	} or	2535	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1941	})->prio (1);	2543	})->prio (1);
1942	}	2544	}
1943		2545
1944	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1945		2547
…		…
1984		2586
1985	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1986		2588
1987	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1988	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2591	my $meta = "$RANDOMDIR/$md5.meta";
1990		2592
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2595	undef $fh;
1994	aio_rename "$meta~", $meta;	2596	aio_rename "$meta~", $meta;
…		…
2014	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
2016		2618
2017	$self->enter_link;	2619	$self->enter_link;
2018		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
2019	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
2020	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
2021	unless (eval {	2629	unless (eval {
2022	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
2023		2631
2024	1;	2632	1;
…		…
2050		2658
2051	utf8::encode $text;	2659	utf8::encode $text;
2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2053	}	2661	}
2054		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
2055	=item $client->ext_event ($type, %msg)	2756	=item $client->ext_msg ($type, @msg)
2056		2757
2057	Sends an exti event to the client.	2758	Sends an ext event to the client.
2058		2759
2059	=cut	2760	=cut
2060		2761
2061	sub cf::client::ext_event($$%) {	2762	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	2763	my ($self, $type, @msg) = @_;
2063		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	2768	push @msg, msgtype => "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
2066	}	2789	}
2067		2790
2068	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
2069		2792
2070	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2072	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2073		2796
2074	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
2075	reliable at some point in the future.	2798	become reliable at some point in the future.
2076		2799
2077	=cut	2800	=cut
2078		2801
2079	sub cf::client::query {	2802	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	2811	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		2813
2091	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2093	}	2818	}
2094		2819
2095	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2096	on_reply => sub {	2826	on_reply => sub {
2097	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2098		2828
2099	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2100	# get handled first	2830	# get handled first
…		…
2112	} else {	2842	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	2844	}
2115	}	2845	}
2116	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2117	);	2873	);
2118		2874
2119	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2120		2876
2121	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2162	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2164		2920
2165	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2166		2922
2167	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2168		2928
2169	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2170		2930
2171	=pod	2931	=pod
2172		2932
2173	The following functions and methods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2174		2934
2175	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2176	cf::object::player player	2939	cf::object::player
2177	cf::player peaceful	2940	player
2178	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2179		2947
2180	=cut	2948	=cut
2181		2949
2182	for (	2950	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2184	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2186	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2187	) {	2957	) {
2188	no strict 'refs';	2958	no strict 'refs';
…		…
2259	=back	3029	=back
2260		3030
2261	=cut	3031	=cut
2262		3032
2263	#############################################################################	3033	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334
2335	#############################################################################
2336	# the server's init and main functions	3034	# the server's init and main functions
2337		3035
2338	sub load_facedata {	3036	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2340		3044
2341	warn "loading facedata from $path\n";	3045	warn "loading facedata from $path\n";
2342		3046
2343	my $facedata;	3047	my $facedata;
2344	0 < aio_load $path, $facedata	3048	0 < aio_load $path, $facedata
…		…
2347	$facedata = Coro::Storable::thaw $facedata;	3051	$facedata = Coro::Storable::thaw $facedata;
2348		3052
2349	$facedata->{version} == 2	3053	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
2352	{	3063	{
2353	my $faces = $facedata->{faceinfo};	3064	my $faces = $facedata->{faceinfo};
2354		3065
2355	while (my ($face, $info) = each %$faces) {	3066	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2360	Coro::cede;	3072
		3073	cf::cede_to_tick;
2361	}	3074	}
2362		3075
2363	while (my ($face, $info) = each %$faces) {	3076	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3077	next unless $info->{smooth};
2365	my $idx = cf::face::find $face	3078	my $idx = cf::face::find $face
2366	or next;	3079	or next;
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3083	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3085	}
2372	Coro::cede;	3086
		3087	cf::cede_to_tick;
2373	}	3088	}
2374	}	3089	}
2375		3090
2376	{	3091	{
2377	my $anims = $facedata->{animinfo};	3092	my $anims = $facedata->{animinfo};
2378		3093
2379	while (my ($anim, $info) = each %$anims) {	3094	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3096	cf::cede_to_tick;
2382	}	3097	}
2383		3098
2384	cf::anim::invalidate_all; # d'oh	3099	cf::anim::invalidate_all; # d'oh
2385	}	3100	}
2386		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
2387	1	3151	1
2388	}	3152	}
2389		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
		3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
		3181	sub reload_archetypes {
		3182	load_resource_file "$DATADIR/archetypes"
		3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	}
		3190
		3191	sub reload_treasures {
		3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
		3194	}
		3195
2390	sub reload_resources {	3196	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3197	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3198
		3199	reload_regions;
2393	load_facedata	3200	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3201	#reload_archetypes;#d#
		3202	reload_archetypes;
		3203	reload_treasures;
		3204
		3205	warn "finished reloading resource files\n";
2395	}	3206	}
2396		3207
2397	sub init {	3208	sub init {
2398	reload_resources;	3209	reload_resources;
2399	}	3210	}
2400		3211
2401	sub cfg_load {	3212	sub reload_config {
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	3214	or return;
2404		3215
2405	local $/;	3216	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2407		3218
…		…
2422	sub main {	3233	sub main {
2423	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2427	Event::one_event;	3239	Event::one_event;
2428	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2429	};	3241	};
2430		3242
2431	cfg_load;	3243	reload_config;
2432	db_init;	3244	db_init;
2433	load_extensions;	3245	load_extensions;
2434		3246
2435	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2436	Event::loop;	3248	Event::loop;
…		…
2452	},	3264	},
2453	);	3265	);
2454	}	3266	}
2455	}	3267	}
2456		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2457	sub emergency_save() {	3307	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2459		3309
2460	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2461		3311
…		…
2465	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2467	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3321	$pl->save;
2471	}	3322	}
2472	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2473		3324
2474	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2492		3343
2493	warn Carp::longmess "post_cleanup backtrace"	3344	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3345	if $make_core;
2495	}	3346	}
2496		3347
2497	sub reload() {	3348	sub do_reload_perl() {
2498	# can/must only be called in main	3349	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	3351	warn "can only reload from main coroutine";
2501	return;	3352	return;
2502	}	3353	}
…		…
2522		3373
2523	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2524	for (;;) {	3375	for (;;) {
2525	BDB::flush;	3376	BDB::flush;
2526	IO::AIO::flush;	3377	IO::AIO::flush;
2527	Coro::cede;	3378	Coro::cede_notself;
2528	last unless IO::AIO::nreqs || BDB::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";	3380	warn "iterate...";
2530	}	3381	}
2531		3382
2532	++$RELOAD;	3383	++$RELOAD;
…		…
2536	%EXT_CORO = ();	3387	%EXT_CORO = ();
2537		3388
2538	warn "removing commands";	3389	warn "removing commands";
2539	%COMMAND = ();	3390	%COMMAND = ();
2540		3391
2541	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2542	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2543		3395
2544	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2547		3399
…		…
2577	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		3431
2580	warn "unloading cf.pm \"a bit\"";	3432	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2582		3435
2583	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2584	# and global variables created in xs	3437	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2586		3439
…		…
2589	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2590	require cf;	3443	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2592		3445
2593	warn "loading config and database again";	3446	warn "loading config and database again";
2594	cf::cfg_load;	3447	cf::reload_config;
2595		3448
2596	warn "loading extensions";	3449	warn "loading extensions";
2597	cf::load_extensions;	3450	cf::load_extensions;
2598		3451
2599	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
…		…
2601	warn "reattaching attachments to maps";	3454	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	3456	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	3457	reattach $_ for values %PLAYER;
2605		3458
2606	warn "loading reloadable resources";
2607	reload_resources;
2608
2609	warn "leaving sync_job";	3459	warn "leaving sync_job";
2610		3460
2611	1	3461	1
2612	} or do {	3462	} or do {
2613	warn $@;	3463	warn $@;
…		…
2618	warn "reloaded";	3468	warn "reloaded";
2619	};	3469	};
2620		3470
2621	our $RELOAD_WATCHER; # used only during reload	3471	our $RELOAD_WATCHER; # used only during reload
2622		3472
		3473	sub reload_perl() {
		3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
		3476
		3477	$RELOAD_WATCHER ||= Event->timer (
		3478	reentrant => 0,
		3479	after => 0,
		3480	data => WF_AUTOCANCEL,
		3481	cb => sub {
		3482	do_reload_perl;
		3483	undef $RELOAD_WATCHER;
		3484	},
		3485	);
		3486	}
		3487
2623	register_command "reload" => sub {	3488	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2625		3490
2626	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
2628		3493	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	3494	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	3495	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	3496	};
2641	}	3497	}
2642	};	3498	};
2643		3499
2644	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2645		3501
2646	my $bug_warning = 0;	3502	my $bug_warning = 0;
		3503
		3504	our @WAIT_FOR_TICK;
		3505	our @WAIT_FOR_TICK_BEGIN;
		3506
		3507	sub wait_for_tick {
		3508	return unless $TICK_WATCHER->is_active;
		3509	return if $Coro::current == $Coro::main;
		3510
		3511	my $signal = new Coro::Signal;
		3512	push @WAIT_FOR_TICK, $signal;
		3513	$signal->wait;
		3514	}
		3515
		3516	sub wait_for_tick_begin {
		3517	return unless $TICK_WATCHER->is_active;
		3518	return if $Coro::current == $Coro::main;
		3519
		3520	my $signal = new Coro::Signal;
		3521	push @WAIT_FOR_TICK_BEGIN, $signal;
		3522	$signal->wait;
		3523	}
2647		3524
2648	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2649	reentrant => 0,	3526	reentrant => 0,
2650	parked => 1,	3527	parked => 1,
2651	prio => 0,	3528	prio => 0,
…		…
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	3534	unless ++$bug_warning > 10;
2658	return;	3535	return;
2659	}	3536	}
2660		3537
2661	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2662		3539
2663	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
		3541
2664	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2666		3544
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2669	Coro::async_pool {	3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	3549	write_runtime
2671	or warn "ERROR: unable to write runtime file: $!";	3550	or warn "ERROR: unable to write runtime file: $!";
2672	};	3551	};
2673	}	3552	}
2674		3553
2675	$WAIT_FOR_TICK->broadcast;	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
2677		3560
2678	# my $AFTER = Event::time;	3561	$NOW = Event::time;
2679	# warn $AFTER - $NOW;#d#
2680		3562
2681	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2683		3565
2684	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
		3568
		3569	$LOAD = ($NOW - $tick_start) / $TICK;
		3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3571
		3572	_post_tick;
2686	},	3573	},
2687	);	3574	);
2688		3575
2689	{	3576	{
		3577	BDB::min_parallel 8;
2690	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2691	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2692	reentrant => 0,	3580	reentrant => 0,
2693	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2694	poll => 'r',	3582	poll => 'r',
2695	prio => 0,	3583	prio => 0,
2696	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2698	);	3586	);
2699	BDB::min_parallel 8;
2700		3587
2701	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2702	my $status;	3589	my $status;
2703	my $current = $Coro::current;	3590	my $current = $Coro::current;
2704	(	3591	(
…		…
2713	)	3600	)
2714	};	3601	};
2715		3602
2716	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2717	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2718		3609
2719	cf::sync_job {	3610	cf::sync_job {
2720	eval {	3611	eval {
2721	BDB::db_env_open	3612	BDB::db_env_open
2722	$DB_ENV,	3613	$DB_ENV,
2723	$BDB_ENV_DIR,	3614	$BDBDIR,
2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	3617	0666;
2727		3618
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	3620	};
2733		3621
2734	cf::cleanup "db_env_open(db): $@" if $@;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	3623	};
2736	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2737	}	3656	}
2738		3657
2739	{	3658	{
2740	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
2741		3660
…		…
2744	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2745	reentrant => 0,	3664	reentrant => 0,
2746	data => WF_AUTOCANCEL,	3665	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2748	poll => 'r',	3667	poll => 'r',
2749	prio => 6,	3668	prio => 0,
2750	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2751	);	3670	);
2752	}	3671	}
2753		3672
		3673	my $_log_backtrace;
		3674
		3675	sub _log_backtrace {
		3676	my ($msg, @addr) = @_;
		3677
		3678	$msg =~ s/\n//;
		3679
		3680	# limit the # of concurrent backtraces
		3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
		3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
		3710	}
		3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
		3715
2754	END { cf::emergency_save }	3716	END { cf::emergency_save }
2755		3717
2756	1	3718	1
2757		3719

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