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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.384 by root, Fri Oct 12 18:17:16 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
48	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
49	our @EVENT;	62	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		63
52	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(!)
53	our $TICK_WATCHER;	77	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	80	our $NEXT_TICK;
57	our $NOW;	81	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		83
60	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	88	our $DB_ENV;
62		89
63	our %CFG;	90	our %CFG;
64		91
65	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	93	our $RUNTIME;
67		94
68	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		98
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		105
80	binmode STDOUT;	106	binmode STDOUT;
81	binmode STDERR;	107	binmode STDERR;
82		108
83	# read virtual server time, if available	109	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
88	}	114	}
89		115
90	mkdir cf::localdir;	116	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		118
97	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
98		120
99	sub cf::map::normalise;	121	sub cf::map::normalise;
100		122
…		…
111	=item $cf::RUNTIME	133	=item $cf::RUNTIME
112		134
113	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
114	every server tick.	136	every server tick.
115		137
116	=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
117		141
118	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		146
121	=item $cf::NOW	147	=item $cf::NOW
122		148
123	The time of the last (current) server tick.	149	The time of the last (current) server tick.
124		150
125	=item $cf::TICK	151	=item $cf::TICK
126		152
127	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.
128		164
129	=item %cf::CFG	165	=item %cf::CFG
130		166
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	168	from wherever your confdir points to.
133		169
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		171
136	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
137	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
138	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.
139	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.
140		181
141	=back	182	=back
142		183
143	=cut	184	=cut
144		185
145	BEGIN {	186	BEGIN {
146	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	188	my $msg = join "", @_;
148	utf8::encode $msg;
149		189
150	$msg .= "\n"	190	$msg .= "\n"
151	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152		194
153	LOG llevError, $msg;	195	LOG llevError, $msg;
154	};	196	};
155	}	197	}
156		198
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		206
164	# 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
165	# within the Safe compartment.	208	# within the Safe compartment.
166	for my $pkg (qw(	209	for my $pkg (qw(
167	cf::global cf::attachable	210	cf::global cf::attachable
…		…
175	}	218	}
176		219
177	$Event::DIED = sub {	220	$Event::DIED = sub {
178	warn "error in event callback: @_";	221	warn "error in event callback: @_";
179	};	222	};
		223
		224	#############################################################################
180		225
181	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
182		227
183	=over 4	228	=over 4
184		229
…		…
203	$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;
204	$d	249	$d
205	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
206	}	251	}
207		252
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
211		254
212	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
213		256
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
224		260
225	=cut	261	=cut
226		262
227	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
229	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
231		267
232	=item cf::lock_wait $string	268	=item cf::lock_wait $string
233		269
234	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
235		271
…		…
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
241	returned.	277	returned.
242		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
243	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
244	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
245		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
246	=cut	289	=cut
247		290
248	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
249		293
250	sub lock_wait($) {	294	sub lock_wait($) {
251	my ($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#
252		301
253	# wait for lock, if any	302	# wait for lock, if any
254	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	305	Coro::schedule;
…		…
262		311
263	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
264	lock_wait $key;	313	lock_wait $key;
265		314
266	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
267		317
268	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
271	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
272	}	329	}
273		330
274	sub freeze_mainloop {	331	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
276		333
…		…
279	};	336	};
280	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
281	$guard	338	$guard
282	}	339	}
283		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
284	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
285		400
286	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
287	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
288	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.
…		…
291		406
292	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
293		408
294	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
295		410
296	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)
297	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
298	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.
299		415
300	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
301	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
302	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
303	fast or be very important.	419	fast or be very important.
…		…
306		422
307	sub sync_job(&) {	423	sub sync_job(&) {
308	my ($job) = @_;	424	my ($job) = @_;
309		425
310	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
311	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
313		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
314	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	435	# (but this is cancel-safe)
316	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
317		437
318	my $busy = 1;	438	my $busy = 1;
319	my @res;	439	my @res;
320		440
321	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	443	@res = eval { $job->() };
323	warn $@ if $@;	444	warn $@ if $@;
324	undef $busy;	445	undef $busy;
325	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
326		447
327	while ($busy) {	448	while ($busy) {
328	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
329	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
330		458
331	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
332	} else {	460	} else {
333	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
334		462
…		…
354	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
355		483
356	$coro	484	$coro
357	}	485	}
358		486
359	sub write_runtime {	487	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		488
362	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
363		493
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
365	or return;
366		495
367	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		498
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
372	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
373		502
374	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	504	reset_signals;
376	and return;	505	&$cb
		506	}, @args;
377		507
378	close $fh	508	wantarray ? @res : $res[-1]
379	or return;	509	}
380		510
381	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
382	and return;
383		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
384	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	647	}
386		648
387	=back	649	=back
388		650
389	=cut	651	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
398		660
399	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	663	Crossfire TRT).
402		664
403	=over 4	665	=over 4
404		666
405	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
406		668
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
570		832
571	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		837
576	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	839	my $pkg = shift @arg;
578		840
579	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
609	}	871	}
610		872
611	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
612	} else {	874	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	876	}
615		877
616	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
617	}	879	}
618		880
…		…
620	if (ref $_[0]) {	882	if (ref $_[0]) {
621	_object_attach @_;	883	_object_attach @_;
622	} else {	884	} else {
623	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
624	}	886	}
		887	_recalc_want;
625	};	888	};
626		889
627	# all those should be optimised	890	# all those should be optimised
628	sub cf::attachable::detach {	891	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
633	reattach ($obj);	896	reattach ($obj);
634	} else {	897	} else {
635	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
636	}	899	}
		900	_recalc_want;
637	};	901	};
638		902
639	sub cf::attachable::attached {	903	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
641		905
…		…
656	";	920	";
657	die if $@;	921	die if $@;
658	}	922	}
659		923
660	our $override;	924	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		926
663	sub override {	927	sub override {
664	$override = 1;	928	$override = 1;
665	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
666	}	930	}
667		931
668	sub do_invoke {	932	sub do_invoke {
669	my $event = shift;	933	my $event = shift;
670	my $callbacks = shift;	934	my $callbacks = shift;
671		935
672	@invoke_results = ();	936	@INVOKE_RESULTS = ();
673		937
674	local $override;	938	local $override;
675		939
676	for (@$callbacks) {	940	for (@$callbacks) {
677	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
694		958
695	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
696		960
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		964
701	=back	965	=back
702		966
703	=cut	967	=cut
704		968
705	#############################################################################	969	#############################################################################
706	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
707		982
708	sub reattach {	983	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	985	my ($obj) = @_;
711		986
…		…
758	sub object_freezer_save {	1033	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
760		1035
761	sync_job {	1036	sync_job {
762	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
765		1041
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1046	close $fh;
771		1047
772	if (@$objs) {	1048	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1054	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
780	}	1056	}
…		…
788	}	1064	}
789	} else {	1065	} else {
790	aio_unlink $filename;	1066	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
792	}	1068	}
793	}	1069	};
794	}	1070	}
795		1071
796	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
798		1074
…		…
810	or return;	1086	or return;
811		1087
812	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
814	or return;	1090	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };
816	}
817		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
820	return ($data, $av);	1101	($data, $av)
821	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
822		1109
823	#############################################################################	1110	#############################################################################
824	# command handling &c	1111	# command handling &c
825		1112
826	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1127	}
841		1128
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1130
844	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
845		1136
846	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
847	called.	1138	called.
848		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
849	=cut	1151	=cut
850		1152
851	sub register_extcmd {	1153	sub register_extcmd {
852	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
853		1155
854	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
855	}	1163	}
856		1164
857	cf::player->attach (	1165	cf::player->attach (
858	on_command => sub {	1166	on_command => sub {
859	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1176	cf::override;
869	},	1177	},
870	on_extcmd => sub {	1178	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
872		1180
873	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1182
875	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
881	} else {	1198	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1200	}
884		1201
885	cf::override;	1202	cf::override;
886	},	1203	},
887	);	1204	);
888		1205
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
924	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1211	next unless -r $path;
926	eval {	1212
927	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
928	1	1270	}
929	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
930	}	1276	};
931	}	1277	}
932		1278
933	#############################################################################	1279	#############################################################################
934		1280
		1281	=back
		1282
935	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
936		1284
937	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
938		1286
939	=cut	1287	=cut
…		…
944		1292
945	=head3 cf::player	1293	=head3 cf::player
946		1294
947	=over 4	1295	=over 4
948		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
949	=item cf::player::find $login	1311	=item cf::player::find $login
950		1312
951	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
952		1314
953	=cut	1315	=cut
954		1316
955	sub playerdir($) {	1317	sub playerdir($) {
956	cf::localdir	1318	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1320	}
962		1321
963	sub path($) {	1322	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1324
966	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
967	}	1326	}
968		1327
969	sub find_active($) {	1328	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1343	my $login = $_[0];
985		1344
986	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
987		1346
988	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
990	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
992	}	1363	}
993	}	1364	}
994	}	1365	}
995		1366
…		…
1005		1376
1006	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1008		1379
1009	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1010	Coro::cede;	1381	cf::cede_to_tick;
1011	}	1382	}
1012		1383
1013	sub new($) {	1384	sub new($) {
1014	my ($login) = @_;	1385	my ($login) = @_;
1015		1386
…		…
1019	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1020		1391
1021	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1022		1393
1023	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1024	}	1405	}
1025		1406
1026	=item $pl->quit_character	1407	=item $pl->quit_character
1027		1408
1028	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1078		1459
1079	=cut	1460	=cut
1080		1461
1081	sub list_logins {	1462	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1464	or return [];
1084		1465
1085	my @logins;	1466	my @logins;
1086		1467
1087	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1091		1477
1092	utf8::decode $login;	1478	utf8::decode $login;
1093	push @logins, $login;	1479	push @logins, $login;
1094	}	1480	}
1095		1481
…		…
1122	}	1508	}
1123		1509
1124	\@paths	1510	\@paths
1125	}	1511	}
1126		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1128		1565
1129	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1130		1567
1131	=cut	1568	=cut
1132		1569
1133	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1135		1572
1136	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1574	}
1140		1575
1141	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1142		1616
1143	=back	1617	=back
1144
1145		1618
1146	=head3 cf::map	1619	=head3 cf::map
1147		1620
1148	=over 4	1621	=over 4
1149		1622
…		…
1204	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1205		1678
1206	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1207	local $self->{path};	1680	local $self->{path};
1208	local $self->{load_path};	1681	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1682
1212	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1213	}	1684	}
1214		1685
1215	sub normalise {	1686	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1263	return $self;	1734	return $self;
1264	}	1735	}
1265	}	1736	}
1266		1737
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1739	()
1269	}	1740	}
1270		1741
1271	sub init {	1742	sub init {
1272	my ($self) = @_;	1743	my ($self) = @_;
…		…
1287		1758
1288	# the original (read-only) location	1759	# the original (read-only) location
1289	sub load_path {	1760	sub load_path {
1290	my ($self) = @_;	1761	my ($self) = @_;
1291		1762
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1293	}	1764	}
1294		1765
1295	# the temporary/swap location	1766	# the temporary/swap location
1296	sub save_path {	1767	sub save_path {
1297	my ($self) = @_;	1768	my ($self) = @_;
1298		1769
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1301	}	1772	}
1302		1773
1303	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1304	sub uniq_path {	1775	sub uniq_path {
1305	my ($self) = @_;	1776	my ($self) = @_;
1306		1777
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1309	}	1780	}
1310		1781
1311	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1312	# all maps in C++...	1783	# all maps in C++...
1313	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1315		1786
1316	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1318	}	1789	}
1319		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1320	sub unlink_save {	1799	sub unlink_save {
1321	my ($self) = @_;	1800	my ($self) = @_;
1322		1801
1323	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1806
1328	sub load_header_from($) {	1807	sub load_header_from($) {
1329	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1330		1809
1331	utf8::encode $path;	1810	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1337		1819
1338	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1339		1821
1340	1	1822	1
1341	}	1823	}
…		…
1380	$self->load_header_orig	1862	$self->load_header_orig
1381	or return;	1863	or return;
1382	$self->prepare_orig;	1864	$self->prepare_orig;
1383	}	1865	}
1384		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1385	1	1873	1
1386	}	1874	}
1387		1875
1388	sub find;	1876	sub find;
1389	sub find {	1877	sub find {
1390	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1391		1879
1392	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1393		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1395		1884
1396	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1398	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1399	or return;	1890	or return;
1400		1891
1401	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1402		1893
1403	$map->load_header	1894	$map->load_header
1404	or return;	1895	or return;
1405		1896
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1409	$map->reset;	1902	$map->reset;
1410	undef $guard;
1411	return find $path;	1903	return find $path;
1412	}	1904	}
1413		1905
1414	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1415	}	1907	}
…		…
1422	my ($self) = @_;	1914	my ($self) = @_;
1423		1915
1424	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1425		1917
1426	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1428		1922
		1923	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1925
1431	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1432		1927
1433	$self->alloc;	1928	$self->alloc;
1434		1929
1435	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1436		1932
1437	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1438	or return;	1936	or return;
1439		1937
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	1939	if delete $self->{load_original};
1442		1940
1443	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	1942	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	1945	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1448	}	1949	}
1449	}	1950	}
1450		1951
1451	Coro::cede;	1952	$f->resolve_delayed_derefs;
1452		1953
		1954	cf::cede_to_tick;
1453	# now do the right thing for maps	1955	# now do the right thing for maps
1454	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1958	unless $self->difficulty;
1464	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1465	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1975	}
1467		1976
1468	$self->post_load;	1977	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1978	}
1472		1979
1473	sub customise_for {	1980	sub customise_for {
1474	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1475		1982
1476	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1984	if $self->per_player;
1478		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1479	$self	1989	$self
1480	}	1990	}
1481		1991
1482	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	1993	sub load_neighbours {
1484	my ($map) = @_;	1994	my ($map) = @_;
1485		1995
1486	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1487		1997
1488	for (0 .. 3) {	1998	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1490	or next;	2000	or next;
1491	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1492	or next;	2002	or next;
1493	$neigh->load;	2003	$neigh->load;
1494		2004
		2005	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2008	}
1498		2009
1499	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1501	or next;	2013	or next;
1502	$neigh->load;	2014	$neigh->load;
1503	}	2015	}
1504	}	2016	}
1505		2017
…		…
1510	}	2022	}
1511		2023
1512	sub do_load_sync {	2024	sub do_load_sync {
1513	my ($map) = @_;	2025	my ($map) = @_;
1514		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1515	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1516	}	2031	}
1517		2032
1518	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1520		2035
1521	sub find_async {	2036	sub find_async {
1522	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1523		2038
1524	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1525		2040
1526	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2043	}
1529		2044
1530	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1531	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1532	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2052	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2053	$map->load if $v;
		2054	}
1537		2055
1538	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1539	}	2057	}
1540	}	2058	}
1541	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1542	};	2060	};
1543	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2064	}
1547		2065
1548	sub save {	2066	sub save {
1549	my ($self) = @_;	2067	my ($self) = @_;
1550		2068
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2070
1553	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1554		2072
1555	return unless $self->dirty;	2073	return unless $self->dirty;
1556		2074
…		…
1562	return if $self->{deny_save};	2080	return if $self->{deny_save};
1563		2081
1564	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1565		2083
1566	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1568	};	2087	};
1569		2088
1570	if ($uniq) {	2089	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2098	my ($self) = @_;
1580		2099
1581	# save first because save cedes	2100	# save first because save cedes
1582	$self->save;	2101	$self->save;
1583		2102
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2104
1586	return if $self->players;	2105	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2107	return if $self->{deny_save};
1589		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2113	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2114	}
1593		2115
1594	sub reset_at {	2116	sub reset_at {
1595	my ($self) = @_;	2117	my ($self) = @_;
1596		2118
1597	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1600		2121
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2124
…		…
1614	my ($self) = @_;	2135	my ($self) = @_;
1615		2136
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2138
1618	return if $self->players;	2139	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2140
1621	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
1622		2142
1623	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1624		2144
1625	# need to save uniques path	2145	# need to save uniques path
1626	unless ($self->{deny_save}) {	2146	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2150	if $uniq;
1631	}	2151	}
1632		2152
1633	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1634		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2157	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2158
1639	$self->unlink_save;	2159	$self->unlink_save;
1640	$self->destroy;	2160	$self->destroy;
1641	}	2161	}
1642		2162
1643	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1644		2164
1645	sub nuke {	2165	sub nuke {
1646	my ($self) = @_;	2166	my ($self) = @_;
1647		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1648	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1649		2172
1650	$self->unlink_save;	2173	$self->unlink_save;
1651		2174
1652	bless $self, "cf::map";	2175	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2180
1658	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1659		2183
1660	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1661	}	2221	}
1662		2222
1663	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1664		2224
1665	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2226	instantiated unique items. May block.
1667		2227
1668	=cut	2228	=cut
1669		2229
1670	sub unique_maps() {	2230	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1672	or return;	2232	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2233	utf8::decode $_;
1678	next if /\.pst$/;	2234	/\.map$/
1679	next unless /^$PATH_SEP/o;	2235	? normalise $_
1680		2236	: ()
1681	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2238	]
1683
1684	\@paths
1685	}	2239	}
1686		2240
1687	package cf;	2241	package cf;
1688		2242
1689	=back	2243	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1708	}	2262	}
1709		2263
1710	sub inv_recursive {	2264	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1712	}	2294	}
1713		2295
1714	package cf;	2296	package cf;
1715		2297
1716	=back	2298	=back
…		…
1735		2317
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2319
1738	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1740	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1743	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1744	}	2345	}
1745		2346
1746	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1747		2348
1748	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1796		2397
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2399
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1801		2402
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2404	}
1804		2405
1805	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1807		2410
1808	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1809		2412
1810	unless ($map) {	2413	unless ($map) {
1811	# restore original map position	2414	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1828		2431
1829	$map->load;	2432	$map->load;
1830	$map->load_diag;	2433	$map->load_neighbours;
1831		2434
1832	return unless $self->contr->active;	2435	return unless $self->contr->active;
1833	$self->activate_recursive;	2436	$self->activate_recursive;
1834		2437
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1837	}	2440	}
1838		2441
1839	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2443
1843	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1847	};	2448	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2449
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1874		2453
1875	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2459
1878	$self->enter_link;	2460	$self->enter_link;
1879		2461
1880	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1881	my $map = eval {	2484	my $map = eval {
1882	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1884	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2500	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1889	})->prio (1);	2508	})->prio (1);
1890	}	2509	}
1891		2510
1892	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1893		2512
…		…
1932		2551
1933	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1934		2553
1935	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2556	my $meta = "$RANDOMDIR/$md5.meta";
1938		2557
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2560	undef $fh;
1942	aio_rename "$meta~", $meta;	2561	aio_rename "$meta~", $meta;
…		…
1951		2570
1952	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1953		2572
1954	if ($exit->slaying eq "/!") {	2573	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2577	cf::sync_job { prepare_random_map $exit };
1957	}	2578	}
1958		2579
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
1962		2583
1963	$self->enter_link;	2584	$self->enter_link;
1964		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1965	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1966	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2594	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
1969		2596
1970	1;	2597	1;
1971	}) {	2598	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2603
1977	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2605	$self->leave_link;
1979	}	2606	}
1980	})->prio (1);	2607	})->prio (1);
…		…
1993		2620
1994	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1996		2623
1997	utf8::encode $text;	2624	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2626	}
2000		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
2001		2755
2002	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
2003		2757
2004	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2761
2008	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2763	become reliable at some point in the future.
2010		2764
2011	=cut	2765	=cut
2012		2766
2013	sub cf::client::query {	2767	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2776	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2778
2025	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2027	}	2783	}
2028		2784
2029	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2030	on_reply => sub {	2791	on_reply => sub {
2031	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2032		2793
2033	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2034	# get handled first	2795	# get handled first
…		…
2046	} else {	2807	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2809	}
2049	}	2810	}
2050	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2051	);	2838	);
2052		2839
2053	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2054		2841
2055	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2098		2885
2099	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2100		2887
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2102		2893
2103	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2104		2895
2105	=pod	2896	=pod
2106		2897
2107	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2108		2899
2109	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add destroy
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2110	cf::object::player player	2904	cf::object::player
2111	cf::player peaceful	2905	player
2112	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2113		2912
2114	=cut	2913	=cut
2115		2914
2116	for (	2915	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr destroy)],
2118	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2121	) {	2922	) {
2122	no strict 'refs';	2923	no strict 'refs';
…		…
2193	=back	2994	=back
2194		2995
2195	=cut	2996	=cut
2196		2997
2197	#############################################################################	2998	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2999	# the server's init and main functions
2271		3000
2272	sub load_faces {	3001	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3002	my ($path) = @_;
2274		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3009
2275	warn "loading faces from $path\n";	3010	warn "loading facedata from $path\n";
2276		3011
2277	my $faces;	3012	my $facedata;
2278	0 < aio_load $path, $faces	3013	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3014	or die "$path: $!";
2280		3015
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3016	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3017
		3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
		3028	{
		3029	my $faces = $facedata->{faceinfo};
		3030
2285	while (my ($face, $info) = each %$faces) {	3031	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3037
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	while (my ($face, $info) = each %$faces) {
		3042	next unless $info->{smooth};
		3043	my $idx = cf::face::find $face
		3044	or next;
		3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3048	} else {
		3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3050	}
		3051
		3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
2290	}	3114	}
2291		3115
2292	1	3116	1
2293	}	3117	}
2294		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
		3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
2295	sub reload_resources {	3161	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3162	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3163
		3164	reload_regions;
2298	load_faces	3165	reload_facedata;
2299	or die "unable to load faces\n";#d#	3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
2300	}	3171	}
2301		3172
2302	sub init {	3173	sub init {
2303	reload_resources;	3174	reload_resources;
2304	}	3175	}
2305		3176
2306	sub cfg_load {	3177	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3179	or return;
2309		3180
2310	local $/;	3181	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2312		3183
…		…
2327	sub main {	3198	sub main {
2328	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2332	Event::one_event;	3204	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2334	};	3206	};
2335		3207
2336	cfg_load;	3208	reload_config;
2337	db_init;	3209	db_init;
2338	load_extensions;	3210	load_extensions;
2339		3211
2340	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2341	Event::loop;	3213	Event::loop;
…		…
2357	},	3229	},
2358	);	3230	);
2359	}	3231	}
2360	}	3232	}
2361		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2362	sub emergency_save() {	3272	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2364		3274
2365	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2366		3276
…		…
2370	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3286	$pl->save;
2376	}	3287	}
2377	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2378		3289
2379	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2397		3308
2398	warn Carp::longmess "post_cleanup backtrace"	3309	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3310	if $make_core;
2400	}	3311	}
2401		3312
2402	sub reload() {	3313	sub do_reload_perl() {
2403	# can/must only be called in main	3314	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3315	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3316	warn "can only reload from main coroutine";
2406	return;	3317	return;
2407	}	3318	}
…		…
2441	%EXT_CORO = ();	3352	%EXT_CORO = ();
2442		3353
2443	warn "removing commands";	3354	warn "removing commands";
2444	%COMMAND = ();	3355	%COMMAND = ();
2445		3356
2446	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2448		3360
2449	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2452		3364
…		…
2482	Symbol::delete_package "safe::$_"	3394	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3396
2485	warn "unloading cf.pm \"a bit\"";	3397	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3398	delete $INC{"cf.pm"};
		3399	delete $INC{"cf/pod.pm"};
2487		3400
2488	# don't, removes xs symbols, too,	3401	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3402	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3403	#Symbol::delete_package __PACKAGE__;
2491		3404
…		…
2494	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2495	require cf;	3408	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3410
2498	warn "loading config and database again";	3411	warn "loading config and database again";
2499	cf::cfg_load;	3412	cf::reload_config;
2500		3413
2501	warn "loading extensions";	3414	warn "loading extensions";
2502	cf::load_extensions;	3415	cf::load_extensions;
2503		3416
2504	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3419	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3420	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3421	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3422	reattach $_ for values %PLAYER;
2510		3423
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3424	warn "leaving sync_job";
2515		3425
2516	1	3426	1
2517	} or do {	3427	} or do {
2518	warn $@;	3428	warn $@;
…		…
2523	warn "reloaded";	3433	warn "reloaded";
2524	};	3434	};
2525		3435
2526	our $RELOAD_WATCHER; # used only during reload	3436	our $RELOAD_WATCHER; # used only during reload
2527		3437
		3438	sub reload_perl() {
		3439	# doing reload synchronously and two reloads happen back-to-back,
		3440	# coro crashes during coro_state_free->destroy here.
		3441
		3442	$RELOAD_WATCHER ||= Event->timer (
		3443	reentrant => 0,
		3444	after => 0,
		3445	data => WF_AUTOCANCEL,
		3446	cb => sub {
		3447	do_reload_perl;
		3448	undef $RELOAD_WATCHER;
		3449	},
		3450	);
		3451	}
		3452
2528	register_command "reload" => sub {	3453	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2530		3455
2531	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
2533		3458	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3459	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3460	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3461	};
2546	}	3462	}
2547	};	3463	};
2548		3464
2549	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2550		3466
2551	my $bug_warning = 0;	3467	my $bug_warning = 0;
		3468
		3469	our @WAIT_FOR_TICK;
		3470	our @WAIT_FOR_TICK_BEGIN;
		3471
		3472	sub wait_for_tick {
		3473	return unless $TICK_WATCHER->is_active;
		3474	return if $Coro::current == $Coro::main;
		3475
		3476	my $signal = new Coro::Signal;
		3477	push @WAIT_FOR_TICK, $signal;
		3478	$signal->wait;
		3479	}
		3480
		3481	sub wait_for_tick_begin {
		3482	return unless $TICK_WATCHER->is_active;
		3483	return if $Coro::current == $Coro::main;
		3484
		3485	my $signal = new Coro::Signal;
		3486	push @WAIT_FOR_TICK_BEGIN, $signal;
		3487	$signal->wait;
		3488	}
2552		3489
2553	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3491	reentrant => 0,
2555	parked => 1,	3492	parked => 1,
2556	prio => 0,	3493	prio => 0,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3499	unless ++$bug_warning > 10;
2563	return;	3500	return;
2564	}	3501	}
2565		3502
2566	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2567		3504
2568	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
		3506
2569	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2571		3509
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2574	Coro::async_pool {	3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3514	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3515	or warn "ERROR: unable to write runtime file: $!";
2577	};	3516	};
2578	}	3517	}
2579		3518
2580	$WAIT_FOR_TICK->broadcast;	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
2582		3525
2583	# my $AFTER = Event::time;	3526	$NOW = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585		3527
2586	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3530
2589	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
		3533
		3534	$LOAD = ($NOW - $tick_start) / $TICK;
		3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3536
		3537	_post_tick;
2591	},	3538	},
2592	);	3539	);
2593		3540
2594	{	3541	{
		3542	BDB::min_parallel 8;
2595	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2596	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2597	reentrant => 0,	3545	reentrant => 0,
2598	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2599	poll => 'r',	3547	poll => 'r',
2600	prio => 0,	3548	prio => 0,
2601	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2603	);	3551	);
2604	BDB::min_parallel 8;
2605		3552
2606	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2607	my $status;	3554	my $status;
2608	my $current = $Coro::current;	3555	my $current = $Coro::current;
2609	(	3556	(
…		…
2618	)	3565	)
2619	};	3566	};
2620		3567
2621	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3574
2624	cf::sync_job {	3575	cf::sync_job {
2625	eval {	3576	eval {
2626	BDB::db_env_open	3577	BDB::db_env_open
2627	$DB_ENV,	3578	$DB_ENV,
2628	$BDB_ENV_DIR,	3579	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3582	0666;
2632		3583
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3585	};
2638		3586
2639	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3588	};
2641	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2642	}	3621	}
2643		3622
2644	{	3623	{
2645	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2646		3625
…		…
2649	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2650	reentrant => 0,	3629	reentrant => 0,
2651	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2653	poll => 'r',	3632	poll => 'r',
2654	prio => 6,	3633	prio => 0,
2655	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2656	);	3635	);
2657	}	3636	}
2658		3637
		3638	my $_log_backtrace;
		3639
		3640	sub _log_backtrace {
		3641	my ($msg, @addr) = @_;
		3642
		3643	$msg =~ s/\n//;
		3644
		3645	# limit the # of concurrent backtraces
		3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
		3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
		3675	}
		3676	}
		3677
		3678	# load additional modules
		3679	use cf::pod;
		3680
2659	END { cf::emergency_save }	3681	END { cf::emergency_save }
2660		3682
2661	1	3683	1
2662		3684

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