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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.388 by root, Thu Oct 18 02:56:13 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use Event;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.1 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	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
		42
33	$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
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		44
37	# 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?
38	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
39		47
40	$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
41		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
42	our %COMMAND = ();	52	our %COMMAND = ();
43	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
44		54
45	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
49		60
50	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
51	our @EVENT;	62	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		63
54	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(!)
55	our $TICK_WATCHER;	77	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	80	our $NEXT_TICK;
59	our $NOW;	81	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		83
62	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	88	our $DB_ENV;
64		89
65	our %CFG;	90	our %CFG;
66		91
67	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	93	our $RUNTIME;
69		94
70	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		98
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		105
82	binmode STDOUT;	106	binmode STDOUT;
83	binmode STDERR;	107	binmode STDERR;
84		108
85	# read virtual server time, if available	109	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
90	}	114	}
91		115
92	mkdir cf::localdir;	116	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		118
99	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
100		120
101	sub cf::map::normalise;	121	sub cf::map::normalise;
102		122
…		…
113	=item $cf::RUNTIME	133	=item $cf::RUNTIME
114		134
115	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
116	every server tick.	136	every server tick.
117		137
118	=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
119		141
120	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		146
123	=item $cf::NOW	147	=item $cf::NOW
124		148
125	The time of the last (current) server tick.	149	The time of the last (current) server tick.
126		150
127	=item $cf::TICK	151	=item $cf::TICK
128		152
129	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.
130		164
131	=item %cf::CFG	165	=item %cf::CFG
132		166
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	168	from wherever your confdir points to.
135		169
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		171
138	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
139	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
140	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.
141	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.
142		181
143	=back	182	=back
144		183
145	=cut	184	=cut
146		185
147	BEGIN {	186	BEGIN {
148	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	188	my $msg = join "", @_;
150	utf8::encode $msg;
151		189
152	$msg .= "\n"	190	$msg .= "\n"
153	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
154		194
155	LOG llevError, $msg;	195	LOG llevError, $msg;
156	};	196	};
157	}	197	}
158		198
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		206
166	# 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
167	# within the Safe compartment.	208	# within the Safe compartment.
168	for my $pkg (qw(	209	for my $pkg (qw(
169	cf::global cf::attachable	210	cf::global cf::attachable
…		…
177	}	218	}
178		219
179	$Event::DIED = sub {	220	$Event::DIED = sub {
180	warn "error in event callback: @_";	221	warn "error in event callback: @_";
181	};	222	};
		223
		224	#############################################################################
182		225
183	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
184		227
185	=over 4	228	=over 4
186		229
…		…
205	$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;
206	$d	249	$d
207	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
208	}	251	}
209		252
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
213		254
214	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
215		256
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
224		258
225	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
226		260
227	=cut	261	=cut
228		262
229	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
231	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
232	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	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
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
248	=cut	289	=cut
249		290
250	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
251		293
252	sub lock_wait($) {	294	sub lock_wait($) {
253	my ($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#
254		301
255	# wait for lock, if any	302	# wait for lock, if any
256	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	305	Coro::schedule;
…		…
264		311
265	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
266	lock_wait $key;	313	lock_wait $key;
267		314
268	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
269		317
270	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
273	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
274	}	329	}
275		330
276	sub freeze_mainloop {	331	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
278		333
…		…
281	};	336	};
282	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
283	$guard	338	$guard
284	}	339	}
285		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
286	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
287		400
288	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
289	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
290	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.
…		…
293		406
294	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
295		408
296	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
297		410
298	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)
299	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
300	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.
301		415
302	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
303	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
304	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
305	fast or be very important.	419	fast or be very important.
…		…
308		422
309	sub sync_job(&) {	423	sub sync_job(&) {
310	my ($job) = @_;	424	my ($job) = @_;
311		425
312	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
313	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
315		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
316	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	435	# (but this is cancel-safe)
318	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
319		437
320	my $busy = 1;	438	my $busy = 1;
321	my @res;	439	my @res;
322		440
323	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	443	@res = eval { $job->() };
325	warn $@ if $@;	444	warn $@ if $@;
326	undef $busy;	445	undef $busy;
327	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
328		447
329	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
330	Coro::cede or Event::one_event;	452	Event::one_event;
331	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
332		462
333	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
334	} else {	464	} else {
335	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
336		466
…		…
356	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
357		487
358	$coro	488	$coro
359	}	489	}
360		490
361	sub write_runtime {	491	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		492
364	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
365		497
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
367	or return;
368		499
369	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		502
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
374	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
375		506
376	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	508	reset_signals;
378	and return;	509	&$cb
		510	}, @args;
379		511
380	close $fh	512	wantarray ? @res : $res[-1]
381	or return;	513	}
382		514
383	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
384	and return;
385		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
386	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	651	}
388		652
389	=back	653	=back
390		654
391	=cut	655	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
400		664
401	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	667	Crossfire TRT).
404		668
405	=over 4	669	=over 4
406		670
407	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
408		672
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
572		836
573	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		841
578	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	843	my $pkg = shift @arg;
580		844
581	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
611	}	875	}
612		876
613	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
614	} else {	878	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	880	}
617		881
618	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
619	}	883	}
620		884
…		…
622	if (ref $_[0]) {	886	if (ref $_[0]) {
623	_object_attach @_;	887	_object_attach @_;
624	} else {	888	} else {
625	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
626	}	890	}
		891	_recalc_want;
627	};	892	};
628		893
629	# all those should be optimised	894	# all those should be optimised
630	sub cf::attachable::detach {	895	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
635	reattach ($obj);	900	reattach ($obj);
636	} else {	901	} else {
637	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
638	}	903	}
		904	_recalc_want;
639	};	905	};
640		906
641	sub cf::attachable::attached {	907	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
643		909
…		…
658	";	924	";
659	die if $@;	925	die if $@;
660	}	926	}
661		927
662	our $override;	928	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		930
665	sub override {	931	sub override {
666	$override = 1;	932	$override = 1;
667	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
668	}	934	}
669		935
670	sub do_invoke {	936	sub do_invoke {
671	my $event = shift;	937	my $event = shift;
672	my $callbacks = shift;	938	my $callbacks = shift;
673		939
674	@invoke_results = ();	940	@INVOKE_RESULTS = ();
675		941
676	local $override;	942	local $override;
677		943
678	for (@$callbacks) {	944	for (@$callbacks) {
679	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
696		962
697	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
698		964
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		968
703	=back	969	=back
704		970
705	=cut	971	=cut
706		972
707	#############################################################################	973	#############################################################################
708	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
709		1017
710	sub reattach {	1018	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1020	my ($obj) = @_;
713		1021
…		…
760	sub object_freezer_save {	1068	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
762		1070
763	sync_job {	1071	sync_job {
764	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
767		1076
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1081	close $fh;
773		1082
774	if (@$objs) {	1083	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1089	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
782	}	1091	}
…		…
790	}	1099	}
791	} else {	1100	} else {
792	aio_unlink $filename;	1101	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
794	}	1103	}
795	}	1104	};
796	}	1105	}
797		1106
798	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
800		1109
…		…
812	or return;	1121	or return;
813		1122
814	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
816	or return;	1125	or return;
		1126
817	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
818	}	1129	}
819		1130
		1131	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
822	return ($data, $av);	1135	($data, $av)
823	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
824		1143
825	#############################################################################	1144	#############################################################################
826	# command handling &c	1145	# command handling &c
827		1146
828	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1161	}
843		1162
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1164
846	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
847		1170
848	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
849	called.	1172	called.
850		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
851	=cut	1185	=cut
852		1186
853	sub register_extcmd {	1187	sub register_extcmd {
854	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
855		1189
856	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
857	}	1197	}
858		1198
859	cf::player->attach (	1199	cf::player->attach (
860	on_command => sub {	1200	on_command => sub {
861	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1210	cf::override;
871	},	1211	},
872	on_extcmd => sub {	1212	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
874		1214
875	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1216
877	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
883	} else {	1232	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1234	}
886		1235
887	cf::override;	1236	cf::override;
888	},	1237	},
889	);	1238	);
890		1239
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
926	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1245	next unless -r $path;
928	eval {	1246
929	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
930	1	1304	}
931	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
932	}	1310	};
933	}	1311	}
934		1312
935	#############################################################################	1313	#############################################################################
936		1314
		1315	=back
		1316
937	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
938		1318
939	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
940		1320
941	=cut	1321	=cut
…		…
946		1326
947	=head3 cf::player	1327	=head3 cf::player
948		1328
949	=over 4	1329	=over 4
950		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
951	=item cf::player::find $login	1345	=item cf::player::find $login
952		1346
953	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
954		1348
955	=cut	1349	=cut
956		1350
957	sub playerdir($) {	1351	sub playerdir($) {
958	cf::localdir	1352	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1354	}
964		1355
965	sub path($) {	1356	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1358
968	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
969	}	1360	}
970		1361
971	sub find_active($) {	1362	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1377	my $login = $_[0];
987		1378
988	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
989		1380
990	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
992	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
994	}	1397	}
995	}	1398	}
996	}	1399	}
997		1400
…		…
1007		1410
1008	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1010		1413
1011	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1012	Coro::cede;	1415	cf::cede_to_tick;
1013	}	1416	}
1014		1417
1015	sub new($) {	1418	sub new($) {
1016	my ($login) = @_;	1419	my ($login) = @_;
1017		1420
…		…
1021	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1022		1425
1023	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1024		1427
1025	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1026	}	1439	}
1027		1440
1028	=item $pl->quit_character	1441	=item $pl->quit_character
1029		1442
1030	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1080		1493
1081	=cut	1494	=cut
1082		1495
1083	sub list_logins {	1496	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1498	or return [];
1086		1499
1087	my @logins;	1500	my @logins;
1088		1501
1089	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1093		1511
1094	utf8::decode $login;	1512	utf8::decode $login;
1095	push @logins, $login;	1513	push @logins, $login;
1096	}	1514	}
1097		1515
…		…
1124	}	1542	}
1125		1543
1126	\@paths	1544	\@paths
1127	}	1545	}
1128		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1130		1599
1131	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1132		1601
1133	=cut	1602	=cut
1134		1603
1135	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1137		1606
1138	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1608	}
1142		1609
1143	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1144		1650
1145	=back	1651	=back
1146
1147		1652
1148	=head3 cf::map	1653	=head3 cf::map
1149		1654
1150	=over 4	1655	=over 4
1151		1656
…		…
1206	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1207		1712
1208	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1209	local $self->{path};	1714	local $self->{path};
1210	local $self->{load_path};	1715	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1716
1214	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1215	}	1718	}
1216		1719
1217	sub normalise {	1720	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1265	return $self;	1768	return $self;
1266	}	1769	}
1267	}	1770	}
1268		1771
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1773	()
1271	}	1774	}
1272		1775
1273	sub init {	1776	sub init {
1274	my ($self) = @_;	1777	my ($self) = @_;
…		…
1289		1792
1290	# the original (read-only) location	1793	# the original (read-only) location
1291	sub load_path {	1794	sub load_path {
1292	my ($self) = @_;	1795	my ($self) = @_;
1293		1796
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1295	}	1798	}
1296		1799
1297	# the temporary/swap location	1800	# the temporary/swap location
1298	sub save_path {	1801	sub save_path {
1299	my ($self) = @_;	1802	my ($self) = @_;
1300		1803
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1303	}	1806	}
1304		1807
1305	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1306	sub uniq_path {	1809	sub uniq_path {
1307	my ($self) = @_;	1810	my ($self) = @_;
1308		1811
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1311	}	1814	}
1312		1815
1313	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1314	# all maps in C++...	1817	# all maps in C++...
1315	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1317		1820
1318	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1320	}	1823	}
1321		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1322	sub unlink_save {	1833	sub unlink_save {
1323	my ($self) = @_;	1834	my ($self) = @_;
1324		1835
1325	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1840
1330	sub load_header_from($) {	1841	sub load_header_from($) {
1331	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1332		1843
1333	utf8::encode $path;	1844	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1339		1853
1340	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1341		1855
1342	1	1856	1
1343	}	1857	}
…		…
1382	$self->load_header_orig	1896	$self->load_header_orig
1383	or return;	1897	or return;
1384	$self->prepare_orig;	1898	$self->prepare_orig;
1385	}	1899	}
1386		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
		1906
1387	1	1907	1
1388	}	1908	}
1389		1909
1390	sub find;	1910	sub find;
1391	sub find {	1911	sub find {
1392	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1393		1913
1394	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1395		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1397		1918
1398	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1400	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1401	or return;	1924	or return;
1402		1925
1403	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1404		1927
1405	$map->load_header	1928	$map->load_header
1406	or return;	1929	or return;
1407		1930
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1411	$map->reset;	1936	$map->reset;
1412	undef $guard;
1413	return find $path;	1937	return find $path;
1414	}	1938	}
1415		1939
1416	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1417	}	1941	}
…		…
1424	my ($self) = @_;	1948	my ($self) = @_;
1425		1949
1426	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1427		1951
1428	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1430		1956
		1957	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		1959
1433	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1434		1961
1435	$self->alloc;	1962	$self->alloc;
1436		1963
1437	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1438		1966
1439	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1440	or return;	1970	or return;
1441		1971
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	1973	if delete $self->{load_original};
1444		1974
1445	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	1976	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	1979	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1450	}	1983	}
1451	}	1984	}
1452		1985
1453	Coro::cede;	1986	$f->resolve_delayed_derefs;
1454		1987
		1988	cf::cede_to_tick;
1455	# now do the right thing for maps	1989	# now do the right thing for maps
1456	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1992	unless $self->difficulty;
1466	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1467	$self->activate;	2002	$self->activate;
		2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	2009	}
1469		2010
1470	$self->post_load;	2011	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2012	}
1474		2013
1475	sub customise_for {	2014	sub customise_for {
1476	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1477		2016
1478	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2018	if $self->per_player;
1480		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1481	$self	2023	$self
1482	}	2024	}
1483		2025
1484	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2027	sub load_neighbours {
1486	my ($map) = @_;	2028	my ($map) = @_;
1487		2029
1488	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1489		2031
1490	for (0 .. 3) {	2032	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1492	or next;	2034	or next;
1493	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1494	or next;	2036	or next;
1495	$neigh->load;	2037	$neigh->load;
1496		2038
		2039	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2042	}
1500		2043
1501	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1503	or next;	2047	or next;
1504	$neigh->load;	2048	$neigh->load;
1505	}	2049	}
1506	}	2050	}
1507		2051
…		…
1512	}	2056	}
1513		2057
1514	sub do_load_sync {	2058	sub do_load_sync {
1515	my ($map) = @_;	2059	my ($map) = @_;
1516		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1517	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1518	}	2065	}
1519		2066
1520	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1522		2069
1523	sub find_async {	2070	sub find_async {
1524	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1525		2072
1526	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1527		2074
1528	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2077	}
1531		2078
1532	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1533	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1534	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2086	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2087	$map->load if $v;
		2088	}
1539		2089
1540	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1541	}	2091	}
1542	}	2092	}
1543	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1544	};	2094	};
1545	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2098	}
1549		2099
1550	sub save {	2100	sub save {
1551	my ($self) = @_;	2101	my ($self) = @_;
1552		2102
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2104
1555	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1556		2106
1557	return unless $self->dirty;	2107	return unless $self->dirty;
1558		2108
…		…
1564	return if $self->{deny_save};	2114	return if $self->{deny_save};
1565		2115
1566	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1567		2117
1568	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1570	};	2121	};
1571		2122
1572	if ($uniq) {	2123	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1581	my ($self) = @_;	2132	my ($self) = @_;
1582		2133
1583	# save first because save cedes	2134	# save first because save cedes
1584	$self->save;	2135	$self->save;
1585		2136
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2138
1588	return if $self->players;	2139	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2141	return if $self->{deny_save};
1591		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2147	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2148	}
1595		2149
1596	sub reset_at {	2150	sub reset_at {
1597	my ($self) = @_;	2151	my ($self) = @_;
1598		2152
1599	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1602		2155
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2158
…		…
1616	my ($self) = @_;	2169	my ($self) = @_;
1617		2170
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2172
1620	return if $self->players;	2173	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2174
1623	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1624		2176
1625	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1626		2178
1627	# need to save uniques path	2179	# need to save uniques path
1628	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2184	if $uniq;
1633	}	2185	}
1634		2186
1635	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1636		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2191	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2192
1641	$self->unlink_save;	2193	$self->unlink_save;
1642	$self->destroy;	2194	$self->destroy;
1643	}	2195	}
1644		2196
1645	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1646		2198
1647	sub nuke {	2199	sub nuke {
1648	my ($self) = @_;	2200	my ($self) = @_;
1649		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1650	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1651		2206
1652	$self->unlink_save;	2207	$self->unlink_save;
1653		2208
1654	bless $self, "cf::map";	2209	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2214
1660	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1661		2217
1662	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1663	}	2255	}
1664		2256
1665	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1666		2258
1667	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2260	instantiated unique items. May block.
1669		2261
1670	=cut	2262	=cut
1671		2263
1672	sub unique_maps() {	2264	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1674	or return;	2266	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2267	utf8::decode $_;
1680	next if /\.pst$/;	2268	/\.map$/
1681	next unless /^$PATH_SEP/o;	2269	? normalise $_
1682		2270	: ()
1683	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2272	]
1685
1686	\@paths
1687	}	2273	}
1688		2274
1689	package cf;	2275	package cf;
1690		2276
1691	=back	2277	=back
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1710	}	2296	}
1711		2297
1712	sub inv_recursive {	2298	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1714	}	2328	}
1715		2329
1716	package cf;	2330	package cf;
1717		2331
1718	=back	2332	=back
…		…
1737		2351
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2353
1740	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1742	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1745	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1746	}	2379	}
1747		2380
1748	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1749		2382
1750	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1798		2431
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2433
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1803		2436
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2438	}
1806		2439
1807	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1809		2444
1810	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1811		2446
1812	unless ($map) {	2447	unless ($map) {
1813	# restore original map position	2448	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1830		2465
1831	$map->load;	2466	$map->load;
1832	$map->load_diag;	2467	$map->load_neighbours;
1833		2468
1834	return unless $self->contr->active;	2469	return unless $self->contr->active;
1835	$self->activate_recursive;	2470	$self->activate_recursive;
1836		2471
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1839	}	2474	}
1840		2475
1841	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2477
1845	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1849	};	2482	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2483
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1876		2487
1877	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2493
1880	$self->enter_link;	2494	$self->enter_link;
1881		2495
1882	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1883	my $map = eval {	2518	my $map = eval {
1884	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1886	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2534	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1891	})->prio (1);	2542	})->prio (1);
1892	}	2543	}
1893		2544
1894	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1895		2546
…		…
1934		2585
1935	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1936		2587
1937	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1940		2591
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2594	undef $fh;
1944	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1953		2604
1954	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1955		2606
1956	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1959	}	2612	}
1960		2613
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1964		2617
1965	$self->enter_link;	2618	$self->enter_link;
1966		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1967	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1968	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2628	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1971		2630
1972	1;	2631	1;
1973	}) {	2632	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2637
1979	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2639	$self->leave_link;
1981	}	2640	}
1982	})->prio (1);	2641	})->prio (1);
…		…
1998		2657
1999	utf8::encode $text;	2658	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2660	}
2002		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
		2755	=item $client->ext_msg ($type, @msg)
		2756
		2757	Sends an ext event to the client.
		2758
		2759	=cut
		2760
		2761	sub cf::client::ext_msg($$@) {
		2762	my ($self, $type, @msg) = @_;
		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
		2767	push @msg, msgtype => "event_$type";
		2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
		2788	}
2003		2789
2004	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
2005		2791
2006	Queues a query to the client, calling the given callback with	2792	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2795
2010	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2797	become reliable at some point in the future.
2012		2798
2013	=cut	2799	=cut
2014		2800
2015	sub cf::client::query {	2801	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2810	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2812
2027	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
2029	}	2817	}
2030		2818
2031	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
2032	on_reply => sub {	2825	on_reply => sub {
2033	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
2034		2827
2035	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
2036	# get handled first	2829	# get handled first
…		…
2048	} else {	2841	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2843	}
2051	}	2844	}
2052	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
2053	);	2872	);
2054		2873
2055	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
2056		2875
2057	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
2100		2919
2101	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
2102		2921
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
2104		2927
2105	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
2106		2929
2107	=pod	2930	=pod
2108		2931
2109	The following fucntions and emthods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
2110		2933
2111	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
2112	cf::object::player player	2938	cf::object::player
2113	cf::player peaceful	2939	player
2114	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
2115		2946
2116	=cut	2947	=cut
2117		2948
2118	for (	2949	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2120	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2123	) {	2956	) {
2124	no strict 'refs';	2957	no strict 'refs';
…		…
2195	=back	3028	=back
2196		3029
2197	=cut	3030	=cut
2198		3031
2199	#############################################################################	3032	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3033	# the server's init and main functions
2273		3034
2274	sub load_faces {	3035	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3036	my ($path) = @_;
2276		3037
		3038	# HACK to clear player env face cache, we need some signal framework
		3039	# for this (global event?)
		3040	%ext::player_env::MUSIC_FACE_CACHE = ();
		3041
		3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3043
2277	warn "loading faces from $path\n";	3044	warn "loading facedata from $path\n";
2278		3045
2279	my $faces;	3046	my $facedata;
2280	0 < aio_load $path, $faces	3047	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3048	or die "$path: $!";
2282		3049
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3050	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3051
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3052	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3054
		3055	# patch in the exptable
		3056	$facedata->{resource}{"res/exp_table"} = {
		3057	type => FT_RSRC,
		3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3059	};
		3060	cf::cede_to_tick;
		3061
		3062	{
		3063	my $faces = $facedata->{faceinfo};
		3064
2291	while (my ($face, $info) = each %$faces) {	3065	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3067	cf::face::set_visibility $idx, $info->{visibility};
		3068	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295	Coro::cede;	3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296	}
2297		3071
		3072	cf::cede_to_tick;
		3073	}
		3074
2298	while (my ($face, $info) = each %$faces) {	3075	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	3076	next unless $info->{smooth};
2300	my $idx = cf::face::find $face	3077	my $idx = cf::face::find $face
2301	or next;	3078	or next;
2302	if (my $smooth = cf::face::find $info->{smooth}) {	3079	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;	3080	cf::face::set_smooth $idx, $smooth;
		3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2304	} else {	3082	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";	3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}	3084	}
2307	Coro::cede;	3085
		3086	cf::cede_to_tick;
		3087	}
		3088	}
		3089
		3090	{
		3091	my $anims = $facedata->{animinfo};
		3092
		3093	while (my ($anim, $info) = each %$anims) {
		3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3095	cf::cede_to_tick;
		3096	}
		3097
		3098	cf::anim::invalidate_all; # d'oh
		3099	}
		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
2308	}	3148	}
2309		3149
2310	1	3150	1
2311	}	3151	}
2312		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
		3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
		3166	load_resource_file "$MAPDIR/regions"
		3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
		3173	}
		3174
		3175	sub reload_facedata {
		3176	load_facedata "$DATADIR/facedata"
		3177	or die "unable to load facedata\n";
		3178	}
		3179
		3180	sub reload_archetypes {
		3181	load_resource_file "$DATADIR/archetypes"
		3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
		3186	load_resource_file "$DATADIR/archetypes"
		3187	or die "unable to load archetypes\n";
		3188	}
		3189
		3190	sub reload_treasures {
		3191	load_resource_file "$DATADIR/treasures"
		3192	or die "unable to load treasurelists\n";
		3193	}
		3194
2313	sub reload_resources {	3195	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3196	warn "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	3197
		3198	reload_regions;
2316	load_faces	3199	reload_facedata;
2317	or die "unable to load faces\n";#d#	3200	#reload_archetypes;#d#
		3201	reload_archetypes;
		3202	reload_treasures;
		3203
		3204	warn "finished reloading resource files\n";
2318	}	3205	}
2319		3206
2320	sub init {	3207	sub init {
2321	reload_resources;	3208	reload_resources;
2322	}	3209	}
2323		3210
2324	sub cfg_load {	3211	sub reload_config {
2325	open my $fh, "<:utf8", cf::confdir . "/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2326	or return;	3213	or return;
2327		3214
2328	local $/;	3215	local $/;
2329	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
2330		3217
…		…
2345	sub main {	3232	sub main {
2346	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2347	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2349	(async {	3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2350	Event::one_event;	3238	Event::one_event;
2351	})->prio (Coro::PRIO_MAX);	3239	})->prio (Coro::PRIO_MAX);
2352	};	3240	};
2353		3241
2354	cfg_load;	3242	reload_config;
2355	db_init;	3243	db_init;
2356	load_extensions;	3244	load_extensions;
2357		3245
2358	$TICK_WATCHER->start;	3246	$TICK_WATCHER->start;
2359	Event::loop;	3247	Event::loop;
…		…
2375	},	3263	},
2376	);	3264	);
2377	}	3265	}
2378	}	3266	}
2379		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
		3304	}
		3305
2380	sub emergency_save() {	3306	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2382		3308
2383	warn "enter emergency perl save\n";	3309	warn "enter emergency perl save\n";
2384		3310
…		…
2388	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2389	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2390	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2391	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2392	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2393	$pl->save;	3320	$pl->save;
2394	}	3321	}
2395	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2396		3323
2397	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2415		3342
2416	warn Carp::longmess "post_cleanup backtrace"	3343	warn Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	3344	if $make_core;
2418	}	3345	}
2419		3346
2420	sub reload() {	3347	sub do_reload_perl() {
2421	# can/must only be called in main	3348	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	3349	if ($Coro::current != $Coro::main) {
2423	warn "can only reload from main coroutine";	3350	warn "can only reload from main coroutine";
2424	return;	3351	return;
2425	}	3352	}
…		…
2445		3372
2446	warn "flushing outstanding aio requests";	3373	warn "flushing outstanding aio requests";
2447	for (;;) {	3374	for (;;) {
2448	BDB::flush;	3375	BDB::flush;
2449	IO::AIO::flush;	3376	IO::AIO::flush;
2450	Coro::cede;	3377	Coro::cede_notself;
2451	last unless IO::AIO::nreqs || BDB::nreqs;	3378	last unless IO::AIO::nreqs || BDB::nreqs;
2452	warn "iterate...";	3379	warn "iterate...";
2453	}	3380	}
2454		3381
2455	++$RELOAD;	3382	++$RELOAD;
…		…
2459	%EXT_CORO = ();	3386	%EXT_CORO = ();
2460		3387
2461	warn "removing commands";	3388	warn "removing commands";
2462	%COMMAND = ();	3389	%COMMAND = ();
2463		3390
2464	warn "removing ext commands";	3391	warn "removing ext/exti commands";
2465	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2466		3394
2467	warn "unloading/nuking all extensions";	3395	warn "unloading/nuking all extensions";
2468	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2469	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2470		3398
…		…
2500	Symbol::delete_package "safe::$_"	3428	Symbol::delete_package "safe::$_"
2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3429	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502		3430
2503	warn "unloading cf.pm \"a bit\"";	3431	warn "unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	3432	delete $INC{"cf.pm"};
		3433	delete $INC{"cf/pod.pm"};
2505		3434
2506	# don't, removes xs symbols, too,	3435	# don't, removes xs symbols, too,
2507	# and global variables created in xs	3436	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	3437	#Symbol::delete_package __PACKAGE__;
2509		3438
…		…
2512	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2513	require cf;	3442	require cf;
2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2515		3444
2516	warn "loading config and database again";	3445	warn "loading config and database again";
2517	cf::cfg_load;	3446	cf::reload_config;
2518		3447
2519	warn "loading extensions";	3448	warn "loading extensions";
2520	cf::load_extensions;	3449	cf::load_extensions;
2521		3450
2522	warn "reattaching attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
…		…
2524	warn "reattaching attachments to maps";	3453	warn "reattaching attachments to maps";
2525	reattach $_ for values %MAP;	3454	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	3455	warn "reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	3456	reattach $_ for values %PLAYER;
2528		3457
2529	warn "loading reloadable resources";
2530	reload_resources;
2531
2532	warn "leaving sync_job";	3458	warn "leaving sync_job";
2533		3459
2534	1	3460	1
2535	} or do {	3461	} or do {
2536	warn $@;	3462	warn $@;
…		…
2541	warn "reloaded";	3467	warn "reloaded";
2542	};	3468	};
2543		3469
2544	our $RELOAD_WATCHER; # used only during reload	3470	our $RELOAD_WATCHER; # used only during reload
2545		3471
		3472	sub reload_perl() {
		3473	# doing reload synchronously and two reloads happen back-to-back,
		3474	# coro crashes during coro_state_free->destroy here.
		3475
		3476	$RELOAD_WATCHER ||= Event->timer (
		3477	reentrant => 0,
		3478	after => 0,
		3479	data => WF_AUTOCANCEL,
		3480	cb => sub {
		3481	do_reload_perl;
		3482	undef $RELOAD_WATCHER;
		3483	},
		3484	);
		3485	}
		3486
2546	register_command "reload" => sub {	3487	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2548		3489
2549	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	3491	$who->message ("reloading server.");
2551		3492	async {
2552	# doing reload synchronously and two reloads happen back-to-back,	3493	$Coro::current->{desc} = "perl_reload";
2553	# coro crashes during coro_state_free->destroy here.
2554
2555	$RELOAD_WATCHER ||= Event->timer (
2556	reentrant => 0,
2557	after => 0,
2558	data => WF_AUTOCANCEL,
2559	cb => sub {
2560	reload;	3494	reload_perl;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);	3495	};
2564	}	3496	}
2565	};	3497	};
2566		3498
2567	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
2568		3500
2569	my $bug_warning = 0;	3501	my $bug_warning = 0;
		3502
		3503	our @WAIT_FOR_TICK;
		3504	our @WAIT_FOR_TICK_BEGIN;
		3505
		3506	sub wait_for_tick {
		3507	return unless $TICK_WATCHER->is_active;
		3508	return if $Coro::current == $Coro::main;
		3509
		3510	my $signal = new Coro::Signal;
		3511	push @WAIT_FOR_TICK, $signal;
		3512	$signal->wait;
		3513	}
		3514
		3515	sub wait_for_tick_begin {
		3516	return unless $TICK_WATCHER->is_active;
		3517	return if $Coro::current == $Coro::main;
		3518
		3519	my $signal = new Coro::Signal;
		3520	push @WAIT_FOR_TICK_BEGIN, $signal;
		3521	$signal->wait;
		3522	}
2570		3523
2571	$TICK_WATCHER = Event->timer (	3524	$TICK_WATCHER = Event->timer (
2572	reentrant => 0,	3525	reentrant => 0,
2573	parked => 1,	3526	parked => 1,
2574	prio => 0,	3527	prio => 0,
…		…
2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580	unless ++$bug_warning > 10;	3533	unless ++$bug_warning > 10;
2581	return;	3534	return;
2582	}	3535	}
2583		3536
2584	$NOW = Event::time;	3537	$NOW = $tick_start = Event::time;
2585		3538
2586	cf::server_tick; # one server iteration	3539	cf::server_tick; # one server iteration
		3540
2587	$RUNTIME += $TICK;	3541	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2589		3543
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
2592	Coro::async_pool {	3546	Coro::async_pool {
		3547	$Coro::current->{desc} = "runtime saver";
2593	write_runtime	3548	write_runtime
2594	or warn "ERROR: unable to write runtime file: $!";	3549	or warn "ERROR: unable to write runtime file: $!";
2595	};	3550	};
2596	}	3551	}
2597		3552
2598	$WAIT_FOR_TICK->broadcast;	3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3554	$sig->send;
		3555	}
		3556	while (my $sig = shift @WAIT_FOR_TICK) {
		3557	$sig->send;
		3558	}
2600		3559
2601	# my $AFTER = Event::time;	3560	$NOW = Event::time;
2602	# warn $AFTER - $NOW;#d#
2603		3561
2604	# if we are delayed by four ticks or more, skip them all	3562	# if we are delayed by four ticks or more, skip them all
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2606		3564
2607	$TICK_WATCHER->at ($NEXT_TICK);	3565	$TICK_WATCHER->at ($NEXT_TICK);
2608	$TICK_WATCHER->start;	3566	$TICK_WATCHER->start;
		3567
		3568	$LOAD = ($NOW - $tick_start) / $TICK;
		3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3570
		3571	_post_tick;
2609	},	3572	},
2610	);	3573	);
2611		3574
2612	{	3575	{
		3576	BDB::min_parallel 8;
2613	BDB::max_poll_time $TICK * 0.1;	3577	BDB::max_poll_time $TICK * 0.1;
2614	$BDB_POLL_WATCHER = Event->io (	3578	$BDB_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3579	reentrant => 0,
2616	fd => BDB::poll_fileno,	3580	fd => BDB::poll_fileno,
2617	poll => 'r',	3581	poll => 'r',
2618	prio => 0,	3582	prio => 0,
2619	data => WF_AUTOCANCEL,	3583	data => WF_AUTOCANCEL,
2620	cb => \&BDB::poll_cb,	3584	cb => \&BDB::poll_cb,
2621	);	3585	);
2622	BDB::min_parallel 8;
2623		3586
2624	BDB::set_sync_prepare {	3587	BDB::set_sync_prepare {
2625	my $status;	3588	my $status;
2626	my $current = $Coro::current;	3589	my $current = $Coro::current;
2627	(	3590	(
…		…
2636	)	3599	)
2637	};	3600	};
2638		3601
2639	unless ($DB_ENV) {	3602	unless ($DB_ENV) {
2640	$DB_ENV = BDB::db_env_create;	3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2641		3608
2642	cf::sync_job {	3609	cf::sync_job {
2643	eval {	3610	eval {
2644	BDB::db_env_open	3611	BDB::db_env_open
2645	$DB_ENV,	3612	$DB_ENV,
2646	$BDB_ENV_DIR,	3613	$BDBDIR,
2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	3616	0666;
2650		3617
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3618	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652
2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654	$DB_ENV->set_lk_detect;
2655	};	3619	};
2656		3620
2657	cf::cleanup "db_env_open(db): $@" if $@;	3621	cf::cleanup "db_env_open(db): $@" if $@;
2658	};	3622	};
2659	}	3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
		3626	after => 3,
		3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
		3631	cb => sub {
		3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3633	},
		3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
2660	}	3655	}
2661		3656
2662	{	3657	{
2663	IO::AIO::min_parallel 8;	3658	IO::AIO::min_parallel 8;
2664		3659
…		…
2667	$AIO_POLL_WATCHER = Event->io (	3662	$AIO_POLL_WATCHER = Event->io (
2668	reentrant => 0,	3663	reentrant => 0,
2669	data => WF_AUTOCANCEL,	3664	data => WF_AUTOCANCEL,
2670	fd => IO::AIO::poll_fileno,	3665	fd => IO::AIO::poll_fileno,
2671	poll => 'r',	3666	poll => 'r',
2672	prio => 6,	3667	prio => 0,
2673	cb => \&IO::AIO::poll_cb,	3668	cb => \&IO::AIO::poll_cb,
2674	);	3669	);
2675	}	3670	}
2676		3671
		3672	my $_log_backtrace;
		3673
		3674	sub _log_backtrace {
		3675	my ($msg, @addr) = @_;
		3676
		3677	$msg =~ s/\n//;
		3678
		3679	# limit the # of concurrent backtraces
		3680	if ($_log_backtrace < 2) {
		3681	++$_log_backtrace;
		3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
		3685	my @bt = fork_call {
		3686	@addr = map { sprintf "%x", $_ } @addr;
		3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3689	or die "addr2line: $!";
		3690
		3691	my @funcs;
		3692	my @res = <$fh>;
		3693	chomp for @res;
		3694	while (@res) {
		3695	my ($func, $line) = splice @res, 0, 2, ();
		3696	push @funcs, "[$func] $line";
		3697	}
		3698
		3699	@funcs
		3700	};
		3701
		3702	LOG llevInfo, "[ABT] $msg\n";
		3703	LOG llevInfo, "[ABT] $_\n" for @bt;
		3704	--$_log_backtrace;
		3705	};
		3706	} else {
		3707	LOG llevInfo, "[ABT] $msg\n";
		3708	LOG llevInfo, "[ABT] [suppressed]\n";
		3709	}
		3710	}
		3711
		3712	# load additional modules
		3713	use cf::pod;
		3714
2677	END { cf::emergency_save }	3715	END { cf::emergency_save }
2678		3716
2679	1	3717	1
2680		3718

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