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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.218 by root, Sat Feb 17 01:58:55 2007 UTC vs.
Revision 1.329 by root, Fri Aug 10 05:38:16 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	132	every server tick.
114		133
115	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
139		177
140	=back	178	=back
141		179
142	=cut	180	=cut
143		181
144	BEGIN {	182	BEGIN {
145	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	184	my $msg = join "", @_;
147	utf8::encode $msg;
148		185
149	$msg .= "\n"	186	$msg .= "\n"
150	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
151		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		203
163	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
240	returned.	274	returned.
241		275
242	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
244		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
245	=cut	283	=cut
246		284
247	our %LOCK;	285	our %LOCK;
248		286
249	sub lock_wait($) {	287	sub lock_wait($) {
…		…
266		304
267	Coro::guard {	305	Coro::guard {
268	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
270	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
271	}	315	}
272		316
273	sub freeze_mainloop {	317	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
275		319
…		…
278	};	322	};
279	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
280	$guard	324	$guard
281	}	325	}
282		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
283	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
284		384
285	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	386	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	387	thing you are allowed to do is call C<prio> on it.
…		…
290		390
291	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
292		392
293	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
294		394
295	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
298		399
299	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
302	fast or be very important.	403	fast or be very important.
…		…
305		406
306	sub sync_job(&) {	407	sub sync_job(&) {
307	my ($job) = @_;	408	my ($job) = @_;
308		409
309	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
310	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
312		415
313	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
325		428
326	while ($busy) {	429	while ($busy) {
327	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
328	}	431	}
329		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
330	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
331	} else {	441	} else {
332	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
333		443
334	$job->()	444	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
354		464
355	$coro	465	$coro
356	}	466	}
357		467
358	sub write_runtime {	468	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		469
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
362	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
363		474
364	my $value = $cf::RUNTIME + 90 + 10;	475	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		476
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	477	sub _store_scalar {
369	and return;	478	open my $fh, ">", \my $buf
370		479	or die "fork_call: cannot open fh-to-buf in child : $!";
371	# always fsync - this file is important	480	Storable::store_fd $_[0], $fh;
372	aio_fsync $fh
373	and return;
374
375	close $fh	481	close $fh;
376	or return;
377		482
378	aio_rename "$runtime~", $runtime	483	$buf
379	and return;	484	}
380		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
381	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	655	}
383		656
384	=back	657	=back
385		658
386	=cut	659	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
395		668
396	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	671	Crossfire TRT).
399		672
400	=over 4	673	=over 4
401		674
402	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
403		676
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
567		840
568	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		845
573	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	847	my $pkg = shift @arg;
575		848
576	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
606	}	879	}
607		880
608	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
609	} else {	882	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	884	}
612		885
613	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
614	}	887	}
615		888
…		…
617	if (ref $_[0]) {	890	if (ref $_[0]) {
618	_object_attach @_;	891	_object_attach @_;
619	} else {	892	} else {
620	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
621	}	894	}
		895	_recalc_want;
622	};	896	};
623		897
624	# all those should be optimised	898	# all those should be optimised
625	sub cf::attachable::detach {	899	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
630	reattach ($obj);	904	reattach ($obj);
631	} else {	905	} else {
632	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
633	}	907	}
		908	_recalc_want;
634	};	909	};
635		910
636	sub cf::attachable::attached {	911	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
638		913
…		…
653	";	928	";
654	die if $@;	929	die if $@;
655	}	930	}
656		931
657	our $override;	932	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		934
660	sub override {	935	sub override {
661	$override = 1;	936	$override = 1;
662	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
663	}	938	}
664		939
665	sub do_invoke {	940	sub do_invoke {
666	my $event = shift;	941	my $event = shift;
667	my $callbacks = shift;	942	my $callbacks = shift;
668		943
669	@invoke_results = ();	944	@INVOKE_RESULTS = ();
670		945
671	local $override;	946	local $override;
672		947
673	for (@$callbacks) {	948	for (@$callbacks) {
674	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
691		966
692	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
693		968
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		972
698	=back	973	=back
699		974
700	=cut	975	=cut
701		976
702	#############################################################################	977	#############################################################################
703	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
704		990
705	sub reattach {	991	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	993	my ($obj) = @_;
708		994
…		…
811	or return;	1097	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1099	}
814		1100
815	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1103	return ($data, $av);
818	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
819		1111
820	#############################################################################	1112	#############################################################################
821	# command handling &c	1113	# command handling &c
822		1114
823	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1129	}
838		1130
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1132
841	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
842		1138
843	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
844	called.	1140	called.
845		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
846	=cut	1153	=cut
847		1154
848	sub register_extcmd {	1155	sub register_extcmd {
849	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
850		1157
851	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
852	}	1165	}
853		1166
854	cf::player->attach (	1167	cf::player->attach (
855	on_command => sub {	1168	on_command => sub {
856	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1178	cf::override;
866	},	1179	},
867	on_extcmd => sub {	1180	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
869		1182
870	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1184
872	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
875	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
876	}	1195	if $reply;
877	}	1196	}
878	} else {	1197	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1199	}
881		1200
882	cf::override;	1201	cf::override;
883	},	1202	},
884	);	1203	);
885		1204
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
921	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1210	next unless -r $path;
923	eval {	1211
924	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
925	1	1269	}
926	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
927	}	1275	};
928	}	1276	}
929		1277
930	#############################################################################	1278	#############################################################################
931		1279
		1280	=back
		1281
932	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
933		1283
934	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
935		1285
936	=cut	1286	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
949		1299
950	=cut	1300	=cut
951		1301
952	sub playerdir($) {	1302	sub playerdir($) {
953	cf::localdir	1303	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1305	}
959		1306
960	sub path($) {	1307	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1309
963	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
964	}	1311	}
965		1312
966	sub find_active($) {	1313	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1328	my $login = $_[0];
982		1329
983	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
984		1331
985	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
986	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
987	or return;	1341	or return;
988	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
989	}	1343	}
990	}	1344	}
…		…
1018	$cf::PLAYER{$login} = $self;	1372	$cf::PLAYER{$login} = $self;
1019		1373
1020	$self	1374	$self
1021	}	1375	}
1022		1376
		1377	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1378
		1379	=cut
		1380
		1381	sub send_msg {
		1382	my $ns = shift->ns
		1383	or return;
		1384	$ns->send_msg (@_);
		1385	}
		1386
1023	=item $pl->quit_character	1387	=item $pl->quit_character
1024		1388
1025	Nukes the player without looking back. If logged in, the connection will	1389	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1390	be destroyed. May block for a long time.
1027		1391
1028	=cut	1392	=cut
1029		1393
1030	sub quit_character {	1394	sub quit_character {
1031	my ($pl) = @_;	1395	my ($pl) = @_;
		1396
		1397	my $name = $pl->ob->name;
1032		1398
1033	$pl->{deny_save} = 1;	1399	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1400	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1401
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1407	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1408	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1409	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1410	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1411	$pl->destroy;
		1412
		1413	my $prefix = qr<^~\Q$name\E/>;
		1414
		1415	# nuke player maps
		1416	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1417
1046	IO::AIO::aio_rmtree $temp;	1418	IO::AIO::aio_rmtree $temp;
		1419	}
		1420
		1421	=item $pl->kick
		1422
		1423	Kicks a player out of the game. This destroys the connection.
		1424
		1425	=cut
		1426
		1427	sub kick {
		1428	my ($pl, $kicker) = @_;
		1429
		1430	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1431	$pl->killer ("kicked");
		1432	$pl->ns->destroy;
1047	}	1433	}
1048		1434
1049	=item cf::player::list_logins	1435	=item cf::player::list_logins
1050		1436
1051	Returns am arrayref of all valid playernames in the system, can take a	1437	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1438	while and may block, so not sync_job-capable, ever.
1053		1439
1054	=cut	1440	=cut
1055		1441
1056	sub list_logins {	1442	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1443	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1444	or return [];
1059		1445
1060	my @logins;	1446	my @logins;
1061		1447
1062	for my $login (@$dirs) {	1448	for my $login (@$dirs) {
…		…
1097	}	1483	}
1098		1484
1099	\@paths	1485	\@paths
1100	}	1486	}
1101		1487
		1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1489
		1490	Expand crossfire pod fragments into protocol xml.
		1491
		1492	=cut
		1493
		1494	sub expand_cfpod {
		1495	((my $self), (local $_)) = @_;
		1496
		1497	# escape & and <
		1498	s/&/&amp;/g;
		1499	s/(?<![BIUGH])</&lt;/g;
		1500
		1501	# this is buggy, it needs to properly take care of nested <'s
		1502
		1503	1 while
		1504	# replace B<>, I<>, U<> etc.
		1505	s/B<([^\>]*)>/<b>$1<\/b>/
		1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1508	# replace G<male|female> tags
		1509	|| s{G<([^>|]*)\|([^>]*)>}{
		1510	$self->gender ? $2 : $1
		1511	}ge
		1512	# replace H<hint text>
		1513	|| s{H<([^\>]*)>}
		1514	{
		1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1517	"")
		1518	[$self->{hintmode}]
		1519	}ge;
		1520
		1521	# create single paragraphs (very hackish)
		1522	s/(?<=\S)\n(?=\w)/ /g;
		1523
		1524	# compress some whitespace
		1525	s/\s+\n/\n/g; # ws line-ends
		1526	s/\n\n+/\n/g; # double lines
		1527	s/^\n+//; # beginning lines
		1528	s/\n+$//; # ending lines
		1529
		1530	$_
		1531	}
		1532
		1533	sub hintmode {
		1534	$_[0]{hintmode} = $_[1] if @_ > 1;
		1535	$_[0]{hintmode}
		1536	}
		1537
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1538	=item $player->ext_reply ($msgid, @msg)
1103		1539
1104	Sends an ext reply to the player.	1540	Sends an ext reply to the player.
1105		1541
1106	=cut	1542	=cut
1107		1543
1108	sub ext_reply($$$%) {	1544	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1545	my ($self, $id, @msg) = @_;
1110		1546
1111	$msg{msgid} = $id;	1547	if ($self->ns->extcmd == 2) {
1112		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1113	$self->send ("ext " . cf::to_json \%msg);	1549	} elsif ($self->ns->extcmd == 1) {
		1550	#TODO: version 1, remove
		1551	unshift @msg, msgtype => "reply", msgid => $id;
		1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1553	}
1114	}	1554	}
1115		1555
1116	package cf;	1556	=item $player->ext_msg ($type, @msg)
		1557
		1558	Sends an ext event to the client.
		1559
		1560	=cut
		1561
		1562	sub ext_msg($$@) {
		1563	my ($self, $type, @msg) = @_;
		1564
		1565	$self->ns->ext_msg ($type, @msg);
		1566	}
		1567
		1568	=head3 cf::region
		1569
		1570	=over 4
		1571
		1572	=cut
		1573
		1574	package cf::region;
		1575
		1576	=item cf::region::find_by_path $path
		1577
		1578	Tries to decuce the likely region for a map knowing only its path.
		1579
		1580	=cut
		1581
		1582	sub find_by_path($) {
		1583	my ($path) = @_;
		1584
		1585	my ($match, $specificity);
		1586
		1587	for my $region (list) {
		1588	if ($region->{match} && $path =~ $region->{match}) {
		1589	($match, $specificity) = ($region, $region->specificity)
		1590	if $region->specificity > $specificity;
		1591	}
		1592	}
		1593
		1594	$match
		1595	}
1117		1596
1118	=back	1597	=back
1119
1120		1598
1121	=head3 cf::map	1599	=head3 cf::map
1122		1600
1123	=over 4	1601	=over 4
1124		1602
…		…
1179	my ($self, $merge) = @_;	1657	my ($self, $merge) = @_;
1180		1658
1181	# we have to keep some variables in memory intact	1659	# we have to keep some variables in memory intact
1182	local $self->{path};	1660	local $self->{path};
1183	local $self->{load_path};	1661	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1662
1187	$self->SUPER::thawer_merge ($merge);	1663	$self->SUPER::thawer_merge ($merge);
1188	}	1664	}
1189		1665
1190	sub normalise {	1666	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1713	$self->init; # pass $1 etc.
1238	return $self;	1714	return $self;
1239	}	1715	}
1240	}	1716	}
1241		1717
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1719	()
1244	}	1720	}
1245		1721
1246	sub init {	1722	sub init {
1247	my ($self) = @_;	1723	my ($self) = @_;
…		…
1262		1738
1263	# the original (read-only) location	1739	# the original (read-only) location
1264	sub load_path {	1740	sub load_path {
1265	my ($self) = @_;	1741	my ($self) = @_;
1266		1742
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1743	"$MAPDIR/$self->{path}.map"
1268	}	1744	}
1269		1745
1270	# the temporary/swap location	1746	# the temporary/swap location
1271	sub save_path {	1747	sub save_path {
1272	my ($self) = @_;	1748	my ($self) = @_;
1273		1749
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1751	"$TMPDIR/$path.map"
1276	}	1752	}
1277		1753
1278	# the unique path, undef == no special unique path	1754	# the unique path, undef == no special unique path
1279	sub uniq_path {	1755	sub uniq_path {
1280	my ($self) = @_;	1756	my ($self) = @_;
1281		1757
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1759	"$UNIQUEDIR/$path"
1284	}	1760	}
1285		1761
1286	# and all this just because we cannot iterate over	1762	# and all this just because we cannot iterate over
1287	# all maps in C++...	1763	# all maps in C++...
1288	sub change_all_map_light {	1764	sub change_all_map_light {
1289	my ($change) = @_;	1765	my ($change) = @_;
1290		1766
1291	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
		1769	}
		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
1293	}	1777	}
1294		1778
1295	sub unlink_save {	1779	sub unlink_save {
1296	my ($self) = @_;	1780	my ($self) = @_;
1297		1781
…		…
1355	$self->load_header_orig	1839	$self->load_header_orig
1356	or return;	1840	or return;
1357	$self->prepare_orig;	1841	$self->prepare_orig;
1358	}	1842	}
1359		1843
		1844	$self->{deny_reset} = 1
		1845	if $self->no_reset;
		1846
		1847	$self->default_region (cf::region::find_by_path $self->{path})
		1848	unless $self->default_region;
		1849
1360	1	1850	1
1361	}	1851	}
1362		1852
1363	sub find;	1853	sub find;
1364	sub find {	1854	sub find {
…		…
1376	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1377		1867
1378	$map->load_header	1868	$map->load_header
1379	or return;	1869	or return;
1380		1870
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1872	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1873	#$cf::WAIT_FOR_TICK->wait;
1384	$map->reset;	1874	$map->reset;
1385	undef $guard;	1875	undef $guard;
1386	return find $path;	1876	return find $path;
…		…
1397	my ($self) = @_;	1887	my ($self) = @_;
1398		1888
1399	local $self->{deny_reset} = 1; # loading can take a long time	1889	local $self->{deny_reset} = 1; # loading can take a long time
1400		1890
1401	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1894	my $guard = cf::lock_acquire "map_load:$path";
1403		1895
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1405		1897
1406	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1407		1899
1408	$self->alloc;	1900	$self->alloc;
1409		1901
1410	$self->pre_load;	1902	$self->pre_load;
1411
1412	$self->_load_objects ($self->{load_path}, 1)
1413	or return;
1414
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};
1417
1418	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {
1421	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);
1423	}
1424	}
1425
1426	Coro::cede;
1427
1428	# now do the right thing for maps
1429	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;	1903	Coro::cede;
1436	$self->set_darkness_map;	1904
		1905	$self->_load_objects ($self->{load_path}, 1)
		1906	or return;
		1907
		1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1909	if delete $self->{load_original};
		1910
		1911	if (my $uniq = $self->uniq_path) {
		1912	utf8::encode $uniq;
		1913	if (aio_open $uniq, O_RDONLY, 0) {
		1914	$self->clear_unique_items;
		1915	$self->_load_objects ($uniq, 0);
		1916	}
		1917	}
		1918
		1919	Coro::cede;
		1920	# now do the right thing for maps
		1921	$self->link_multipart_objects;
1437	$self->difficulty ($self->estimate_difficulty)	1922	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	1923	unless $self->difficulty;
1439	Coro::cede;	1924	Coro::cede;
		1925
		1926	unless ($self->{deny_activate}) {
		1927	$self->decay_objects;
		1928	$self->fix_auto_apply;
		1929	$self->update_buttons;
		1930	Coro::cede;
		1931	$self->set_darkness_map;
		1932	Coro::cede;
1440	$self->activate;	1933	$self->activate;
		1934	}
		1935
		1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
		1938
		1939	$self->in_memory (cf::MAP_IN_MEMORY);
1441	}	1940	}
1442		1941
1443	$self->post_load;	1942	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1943	}
1447		1944
1448	sub customise_for {	1945	sub customise_for {
1449	my ($self, $ob) = @_;	1946	my ($self, $ob) = @_;
1450		1947
1451	return find "~" . $ob->name . "/" . $self->{path}	1948	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
1453		1953
1454	$self	1954	$self
1455	}	1955	}
1456		1956
1457	# find and load all maps in the 3x3 area around a map	1957	# find and load all maps in the 3x3 area around a map
…		…
1504		2004
1505	undef $MAP_PREFETCH{$path};	2005	undef $MAP_PREFETCH{$path};
1506	$MAP_PREFETCHER ||= cf::async {	2006	$MAP_PREFETCHER ||= cf::async {
1507	while (%MAP_PREFETCH) {	2007	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2008	for my $path (keys %MAP_PREFETCH) {
1509	my $map = find $path	2009	if (my $map = find $path) {
1510	or next;
1511	$map->load;	2010	$map->load;
		2011	}
1512		2012
1513	delete $MAP_PREFETCH{$path};	2013	delete $MAP_PREFETCH{$path};
1514	}	2014	}
1515	}	2015	}
1516	undef $MAP_PREFETCHER;	2016	undef $MAP_PREFETCHER;
…		…
1568		2068
1569	sub reset_at {	2069	sub reset_at {
1570	my ($self) = @_;	2070	my ($self) = @_;
1571		2071
1572	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1575		2074
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2077
…		…
1589	my ($self) = @_;	2088	my ($self) = @_;
1590		2089
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2091
1593	return if $self->players;	2092	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2093
1596	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
1597		2095
1598	$self->in_memory (cf::MAP_SWAPPED);	2096	$self->in_memory (cf::MAP_SWAPPED);
1599		2097
1600	# need to save uniques path	2098	# need to save uniques path
1601	unless ($self->{deny_save}) {	2099	unless ($self->{deny_save}) {
…		…
1633	$cf::MAP{$self->path} = $self;	2131	$cf::MAP{$self->path} = $self;
1634		2132
1635	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1636	}	2134	}
1637		2135
		2136	=item $maps = cf::map::tmp_maps
		2137
		2138	Returns an arrayref with all map paths of currently instantiated and saved
		2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
		2144	[
		2145	map {
		2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
		2152	}
		2153
		2154	=item $maps = cf::map::random_maps
		2155
		2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
		2158
		2159	=cut
		2160
		2161	sub random_maps() {
		2162	[
		2163	map {
		2164	utf8::decode $_;
		2165	/\.map$/
		2166	? normalise "?random/$_"
		2167	: ()
		2168	} @{ aio_readdir $RANDOMDIR or [] }
		2169	]
		2170	}
		2171
1638	=item cf::map::unique_maps	2172	=item cf::map::unique_maps
1639		2173
1640	Returns an arrayref of paths of all shared maps that have	2174	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2175	instantiated unique items. May block.
1642		2176
1643	=cut	2177	=cut
1644		2178
1645	sub unique_maps() {	2179	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2180	[
1647	or return;	2181	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2182	utf8::decode $_;
1653	next if /\.pst$/;	2183	/\.map$/
1654	next unless /^$PATH_SEP/o;	2184	? normalise $_
1655		2185	: ()
1656	push @paths, cf::map::normalise $_;	2186	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2187	]
1658
1659	\@paths
1660	}	2188	}
1661		2189
1662	package cf;	2190	package cf;
1663		2191
1664	=back	2192	=back
…		…
1710		2238
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2240
1713	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1715	} else {	2244	} else {
		2245	my $pl = $self->contr;
		2246
		2247	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2248	my $dialog = $pl->{npc_dialog};
		2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2250
		2251	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1718	}	2255	}
		2256	}
		2257
		2258	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2259
		2260	=cut
		2261
		2262	sub cf::object::send_msg {
		2263	my $pl = shift->contr
		2264	or return;
		2265	$pl->send_msg (@_);
1719	}	2266	}
1720		2267
1721	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1722		2269
1723	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1771		2318
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2320
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1776		2323
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2325	}
1779		2326
1780	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1782		2331
1783	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1784		2333
1785	unless ($map) {	2334	unless ($map) {
1786	# restore original map position	2335	# restore original map position
…		…
1809		2358
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1812	}	2361	}
1813		2362
1814	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2364
1818	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1822	};	2369	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2370
1828	# try to abort aborted map switching on player login :)
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2371	=cut
		2372
		2373	our $GOTOGEN;
1849		2374
1850	sub cf::object::player::goto {	2375	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2376	my ($self, $path, $x, $y, $check, $done) = @_;
		2377
		2378	# do generation counting so two concurrent goto's will be executed in-order
		2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2380
1853	$self->enter_link;	2381	$self->enter_link;
1854		2382
1855	(async {	2383	(async {
1856	my $map = eval {	2384	my $map = eval {
1857	my $map = cf::map::find $path;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
		2389	$map = $check->($map) if $check && $map;
		2390	} else {
		2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2392	}
		2393
1859	$map	2394	$map
		2395	};
		2396
		2397	if ($@) {
		2398	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2399	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2400	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1864	})->prio (1);	2408	})->prio (1);
1865	}	2409	}
1866		2410
1867	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1868		2412
…		…
1907		2451
1908	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1909		2453
1910	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2456	my $meta = "$RANDOMDIR/$md5.meta";
1913		2457
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2459	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2460	undef $fh;
1917	aio_rename "$meta~", $meta;	2461	aio_rename "$meta~", $meta;
…		…
1926		2470
1927	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1928		2472
1929	if ($exit->slaying eq "/!") {	2473	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job	2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2475	# the problem is that $exit might not survive long enough
		2476	# so it needs to be done right now, right here
1931	cf::sync_job { prepare_random_map $exit };	2477	cf::sync_job { prepare_random_map $exit };
1932	}	2478	}
1933		2479
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;	2481	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2482	my $sp = $exit->stats->sp;
1937		2483
1938	$self->enter_link;	2484	$self->enter_link;
		2485
		2486	# if exit is damned, update players death & WoR home-position
		2487	$self->contr->savebed ($slaying, $hp, $sp)
		2488	if $exit->flag (FLAG_DAMNED);
1939		2489
1940	(async {	2490	(async {
1941	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2492	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2493	$self->goto ($slaying, $hp, $sp);
1944		2494
1945	1;	2495	1;
1946	}) {	2496	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2498	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2499	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2501
1952	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2503	$self->leave_link;
1954	}	2504	}
1955	})->prio (1);	2505	})->prio (1);
…		…
1968		2518
1969	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1971		2521
1972	utf8::encode $text;	2522	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2524	}
1975		2525
		2526	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2527
		2528	Send a drawinfo or msg packet to the client, formatting the msg for the
		2529	client if neccessary. C<$type> should be a string identifying the type of
		2530	the message, with C<log> being the default. If C<$color> is negative, suppress
		2531	the message unless the client supports the msg packet.
		2532
		2533	=cut
		2534
		2535	sub cf::client::send_msg {
		2536	my ($self, $channel, $msg, $color, @extra) = @_;
		2537
		2538	$msg = $self->pl->expand_cfpod ($msg);
		2539
		2540	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2541
		2542	if (ref $channel) {
		2543	# send meta info to client, if not yet sent
		2544	unless (exists $self->{channel}{$channel->{id}}) {
		2545	$self->{channel}{$channel->{id}} = $channel;
		2546	$self->ext_msg (channel_info => $channel);
		2547	}
		2548
		2549	$channel = $channel->{id};
		2550	}
		2551
		2552	return unless @extra || length $msg;
		2553
		2554	if ($self->can_msg) {
		2555	# default colour, mask it out
		2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2557	if $color & cf::NDI_DEF;
		2558
		2559	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2561	} else {
		2562	if ($color >= 0) {
		2563	# replace some tags by gcfclient-compatible ones
		2564	for ($msg) {
		2565	1 while
		2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2571	}
		2572
		2573	$color &= cf::NDI_COLOR_MASK;
		2574
		2575	utf8::encode $msg;
		2576
		2577	if (0 && $msg =~ /\[/) {
		2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	my $extcmd = $self->extcmd;
		2597
		2598	if ($extcmd == 2) {
		2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2600	} elsif ($extcmd == 1) { # TODO: remove
		2601	push @msg, msgtype => "event_$type";
		2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2603	}
		2604	}
1976		2605
1977	=item $success = $client->query ($flags, "text", \&cb)	2606	=item $success = $client->query ($flags, "text", \&cb)
1978		2607
1979	Queues a query to the client, calling the given callback with	2608	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2609	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2610	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2611
1983	Queries can fail, so check the return code. Or don't, as queries will become	2612	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2613	become reliable at some point in the future.
1985		2614
1986	=cut	2615	=cut
1987		2616
1988	sub cf::client::query {	2617	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2618	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2626	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2627	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2628
2000	$self->send_packet ($self->{query_queue}[0][0])	2629	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2630	if @{ $self->{query_queue} } == 1;
		2631
		2632	1
2002	}	2633	}
2003		2634
2004	cf::client->attach (	2635	cf::client->attach (
		2636	on_connect => sub {
		2637	my ($ns) = @_;
		2638
		2639	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2640	},
2005	on_reply => sub {	2641	on_reply => sub {
2006	my ($ns, $msg) = @_;	2642	my ($ns, $msg) = @_;
2007		2643
2008	# this weird shuffling is so that direct followup queries	2644	# this weird shuffling is so that direct followup queries
2009	# get handled first	2645	# get handled first
…		…
2021	} else {	2657	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2658	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2659	}
2024	}	2660	}
2025	},	2661	},
		2662	on_exticmd => sub {
		2663	my ($ns, $buf) = @_;
		2664
		2665	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2666
		2667	if (ref $msg) {
		2668	my ($type, $reply, @payload) =
		2669	"ARRAY" eq ref $msg
		2670	? @$msg
		2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2672
		2673	if (my $cb = $EXTICMD{$type}) {
		2674	my @reply = $cb->($ns, @payload);
		2675
		2676	$ns->ext_reply ($reply, @reply)
		2677	if $reply;
		2678	}
		2679	} else {
		2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2681	}
		2682
		2683	cf::override;
		2684	},
2026	);	2685	);
2027		2686
2028	=item $client->async (\&cb)	2687	=item $client->async (\&cb)
2029		2688
2030	Create a new coroutine, running the specified callback. The coroutine will	2689	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	2730	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	2731	our $safe_hole = new Safe::Hole;
2073		2732
2074	$SIG{FPE} = 'IGNORE';	2733	$SIG{FPE} = 'IGNORE';
2075		2734
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2735	$safe->permit_only (Opcode::opset qw(
		2736	:base_core :base_mem :base_orig :base_math
		2737	grepstart grepwhile mapstart mapwhile
		2738	sort time
		2739	));
2077		2740
2078	# here we export the classes and methods available to script code	2741	# here we export the classes and methods available to script code
2079		2742
2080	=pod	2743	=pod
2081		2744
2082	The following fucntions and emthods are available within a safe environment:	2745	The following functions and methods are available within a safe environment:
2083		2746
2084	cf::object contr pay_amount pay_player map	2747	cf::object
		2748	contr pay_amount pay_player map x y force_find force_add
		2749	insert remove
		2750
2085	cf::object::player player	2751	cf::object::player
2086	cf::player peaceful	2752	player
2087	cf::map trigger	2753
		2754	cf::player
		2755	peaceful
		2756
		2757	cf::map
		2758	trigger
2088		2759
2089	=cut	2760	=cut
2090		2761
2091	for (	2762	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2764	insert remove inv)],
2093	["cf::object::player" => qw(player)],	2765	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	2766	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	2767	["cf::map" => qw(trigger)],
2096	) {	2768	) {
2097	no strict 'refs';	2769	no strict 'refs';
…		…
2168	=back	2840	=back
2169		2841
2170	=cut	2842	=cut
2171		2843
2172	#############################################################################	2844	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	2845	# the server's init and main functions
2246		2846
2247	sub init_resources {	2847	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2848	my ($path) = @_;
		2849
		2850	warn "loading facedata from $path\n";
		2851
		2852	my $facedata;
		2853	0 < aio_load $path, $facedata
		2854	or die "$path: $!";
		2855
		2856	$facedata = Coro::Storable::thaw $facedata;
		2857
		2858	$facedata->{version} == 2
		2859	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2860
		2861	{
		2862	my $faces = $facedata->{faceinfo};
		2863
		2864	while (my ($face, $info) = each %$faces) {
		2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
		2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2870
		2871	cf::cede_to_tick;
		2872	}
		2873
		2874	while (my ($face, $info) = each %$faces) {
		2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
		2884
		2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904	my $enc = JSON::XS->new->utf8->canonical;
		2905
		2906	my $soundconf = delete $res->{"res/sound.conf"};
		2907
		2908	while (my ($name, $info) = each %$res) {
		2909	my $meta = $enc->encode ({
		2910	name => $name,
		2911	%{ $info->{meta} || {} },
		2912	});
		2913
		2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2915
		2916	if ($info->{type} & 1) {
		2917	# prepend meta info
		2918
		2919	my $data = pack "(w/a*)*", $meta, $info->{data};
		2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2921
		2922	cf::face::set_data $idx, 0, $data, $chk;
		2923	} else {
		2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2925	}
		2926
		2927	cf::face::set_type $idx, $info->{type};
		2928
		2929	cf::cede_to_tick;
		2930	}
		2931
		2932	if ($soundconf) {
		2933	$soundconf = $enc->decode (delete $soundconf->{data});
		2934
		2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2936	my $sound = $soundconf->{compat}[$_]
		2937	or next;
		2938
		2939	my $face = cf::face::find "sound/$sound->[1]";
		2940	cf::sound::set $sound->[0] => $face;
		2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2942	}
		2943
		2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2945	my $face = cf::face::find "sound/$v";
		2946	cf::sound::set $k => $face;
		2947	}
		2948	}
		2949	}
		2950
		2951	1
		2952	}
		2953
		2954	register_exticmd fx_want => sub {
		2955	my ($ns, $want) = @_;
		2956
		2957	while (my ($k, $v) = each %$want) {
		2958	$ns->fx_want ($k, $v);
		2959	}
		2960	};
		2961
		2962	sub reload_regions {
		2963	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	2964	or die "unable to load regions file\n";
		2965
		2966	for (cf::region::list) {
		2967	$_->{match} = qr/$_->{match}/
		2968	if exists $_->{match};
		2969	}
		2970	}
		2971
		2972	sub reload_facedata {
		2973	load_facedata "$DATADIR/facedata"
		2974	or die "unable to load facedata\n";
		2975	}
		2976
		2977	sub reload_archetypes {
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	#d# NEED to laod twice to resolve forward references
		2981	# this really needs to be done in an extra post-pass
		2982	# (which needs to be synchronous, so solve it differently)
		2983	load_resource_file "$DATADIR/archetypes"
		2984	or die "unable to load archetypes\n";
		2985	}
		2986
		2987	sub reload_treasures {
		2988	load_resource_file "$DATADIR/treasures"
		2989	or die "unable to load treasurelists\n";
		2990	}
		2991
		2992	sub reload_resources {
		2993	warn "reloading resource files...\n";
		2994
		2995	reload_regions;
		2996	reload_facedata;
		2997	#reload_archetypes;#d#
		2998	reload_archetypes;
		2999	reload_treasures;
		3000
		3001	warn "finished reloading resource files\n";
		3002	}
		3003
		3004	sub init {
		3005	reload_resources;
2250	}	3006	}
2251		3007
2252	sub cfg_load {	3008	sub cfg_load {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3009	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3010	or return;
2255		3011
2256	local $/;	3012	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3013	*CFG = YAML::Syck::Load <$fh>;
2258		3014
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3022	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	3023	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	3024	};
2269	warn $@ if $@;	3025	warn $@ if $@;
2270	}	3026	}
2271	}
2272
2273	sub init {
2274	init_resources;
2275	}	3027	}
2276		3028
2277	sub main {	3029	sub main {
2278	# we must not ever block the main coroutine	3030	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3031	local $Coro::idle = sub {
…		…
2307	},	3059	},
2308	);	3060	);
2309	}	3061	}
2310	}	3062	}
2311		3063
		3064	sub write_runtime {
		3065	my $runtime = "$LOCALDIR/runtime";
		3066
		3067	# first touch the runtime file to show we are still running:
		3068	# the fsync below can take a very very long time.
		3069
		3070	IO::AIO::aio_utime $runtime, undef, undef;
		3071
		3072	my $guard = cf::lock_acquire "write_runtime";
		3073
		3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3075	or return;
		3076
		3077	my $value = $cf::RUNTIME + 90 + 10;
		3078	# 10 is the runtime save interval, for a monotonic clock
		3079	# 60 allows for the watchdog to kill the server.
		3080
		3081	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3082	and return;
		3083
		3084	# always fsync - this file is important
		3085	aio_fsync $fh
		3086	and return;
		3087
		3088	# touch it again to show we are up-to-date
		3089	aio_utime $fh, undef, undef;
		3090
		3091	close $fh
		3092	or return;
		3093
		3094	aio_rename "$runtime~", $runtime
		3095	and return;
		3096
		3097	warn "runtime file written.\n";
		3098
		3099	1
		3100	}
		3101
2312	sub emergency_save() {	3102	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3103	my $freeze_guard = cf::freeze_mainloop;
2314		3104
2315	warn "enter emergency perl save\n";	3105	warn "enter emergency perl save\n";
2316		3106
…		…
2347		3137
2348	warn Carp::longmess "post_cleanup backtrace"	3138	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3139	if $make_core;
2350	}	3140	}
2351		3141
2352	sub reload() {	3142	sub do_reload_perl() {
2353	# can/must only be called in main	3143	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3144	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3145	warn "can only reload from main coroutine";
2356	return;	3146	return;
2357	}	3147	}
…		…
2382	Coro::cede;	3172	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3173	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3174	warn "iterate...";
2385	}	3175	}
2386		3176
		3177	++$RELOAD;
		3178
2387	warn "cancelling all extension coros";	3179	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3180	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3181	%EXT_CORO = ();
2390		3182
2391	warn "removing commands";	3183	warn "removing commands";
2392	%COMMAND = ();	3184	%COMMAND = ();
2393		3185
2394	warn "removing ext commands";	3186	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3187	%EXTCMD = ();
		3188	%EXTICMD = ();
2396		3189
2397	warn "unloading/nuking all extensions";	3190	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3191	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3192	warn "... unloading $pkg";
2400		3193
…		…
2430	Symbol::delete_package "safe::$_"	3223	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3225
2433	warn "unloading cf.pm \"a bit\"";	3226	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3227	delete $INC{"cf.pm"};
		3228	delete $INC{"cf/pod.pm"};
2435		3229
2436	# don't, removes xs symbols, too,	3230	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3231	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3232	#Symbol::delete_package __PACKAGE__;
2439		3233
…		…
2448		3242
2449	warn "loading extensions";	3243	warn "loading extensions";
2450	cf::load_extensions;	3244	cf::load_extensions;
2451		3245
2452	warn "reattaching attachments to objects/players";	3246	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3247	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3248	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3249	reattach $_ for values %MAP;
2456		3250	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3251	reattach $_ for values %PLAYER;
2458	init_resources;
2459		3252
2460	warn "leaving sync_job";	3253	warn "leaving sync_job";
2461		3254
2462	1	3255	1
2463	} or do {	3256	} or do {
…		…
2469	warn "reloaded";	3262	warn "reloaded";
2470	};	3263	};
2471		3264
2472	our $RELOAD_WATCHER; # used only during reload	3265	our $RELOAD_WATCHER; # used only during reload
2473		3266
		3267	sub reload_perl() {
		3268	# doing reload synchronously and two reloads happen back-to-back,
		3269	# coro crashes during coro_state_free->destroy here.
		3270
		3271	$RELOAD_WATCHER ||= Event->timer (
		3272	reentrant => 0,
		3273	after => 0,
		3274	data => WF_AUTOCANCEL,
		3275	cb => sub {
		3276	do_reload_perl;
		3277	undef $RELOAD_WATCHER;
		3278	},
		3279	);
		3280	}
		3281
2474	register_command "reload" => sub {	3282	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3283	my ($who, $arg) = @_;
2476		3284
2477	if ($who->flag (FLAG_WIZ)) {	3285	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3286	$who->message ("reloading server.");
2479		3287	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	3288	}
2493	};	3289	};
2494		3290
2495	unshift @INC, $LIBDIR;	3291	unshift @INC, $LIBDIR;
2496		3292
2497	my $bug_warning = 0;	3293	my $bug_warning = 0;
2498		3294
		3295	our @WAIT_FOR_TICK;
		3296	our @WAIT_FOR_TICK_BEGIN;
		3297
		3298	sub wait_for_tick {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	sub wait_for_tick_begin {
		3308	return unless $TICK_WATCHER->is_active;
		3309	return if $Coro::current == $Coro::main;
		3310
		3311	my $signal = new Coro::Signal;
		3312	push @WAIT_FOR_TICK_BEGIN, $signal;
		3313	$signal->wait;
		3314	}
		3315
		3316	my $min = 1e6;#d#
		3317	my $avg = 10;
2499	$TICK_WATCHER = Event->timer (	3318	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3319	reentrant => 0,
2501	parked => 1,	3320	parked => 1,
2502	prio => 0,	3321	prio => 0,
2503	at => $NEXT_TICK || $TICK,	3322	at => $NEXT_TICK || $TICK,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3327	unless ++$bug_warning > 10;
2509	return;	3328	return;
2510	}	3329	}
2511		3330
2512	$NOW = Event::time;	3331	$NOW = $tick_start = Event::time;
2513		3332
2514	cf::server_tick; # one server iteration	3333	cf::server_tick; # one server iteration
		3334
		3335	0 && sync_job {#d#
		3336	for(1..10) {
		3337	my $t = Event::time;
		3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3339	or die;
		3340
		3341	$map->width (50);
		3342	$map->height (50);
		3343	$map->alloc;
		3344	$map->_load_objects ("/tmp/x.map", 1);
		3345	my $t = Event::time - $t;
		3346
		3347	#next unless $t < 0.0013;#d#
		3348	if ($t < $min) {
		3349	$min = $t;
		3350	}
		3351	$avg = $avg * 0.99 + $t * 0.01;
		3352	}
		3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3354	exit 0;
		3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3356	};
		3357
2515	$RUNTIME += $TICK;	3358	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3359	$NEXT_TICK += $TICK;
2517		3360
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2521	write_runtime	3364	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3365	or warn "ERROR: unable to write runtime file: $!";
2523	};	3366	};
2524	}	3367	}
2525		3368
2526	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528
2529	# my $AFTER = Event::time;	3369	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3370	# warn $AFTER - $NOW;#d#
2531		3371
		3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3373	$sig->send;
		3374	}
		3375	while (my $sig = shift @WAIT_FOR_TICK) {
		3376	$sig->send;
		3377	}
		3378
		3379	$NOW = Event::time;
		3380
2532	# if we are delayed by four ticks or more, skip them all	3381	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3383
2535	$TICK_WATCHER->at ($NEXT_TICK);	3384	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3385	$TICK_WATCHER->start;
		3386
		3387	$LOAD = ($NOW - $tick_start) / $TICK;
		3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3389
		3390	_post_tick;
		3391
		3392
2537	},	3393	},
2538	);	3394	);
2539		3395
2540	{	3396	{
2541	BDB::max_poll_time $TICK * 0.1;	3397	BDB::max_poll_time $TICK * 0.1;
…		…
2569		3425
2570	cf::sync_job {	3426	cf::sync_job {
2571	eval {	3427	eval {
2572	BDB::db_env_open	3428	BDB::db_env_open
2573	$DB_ENV,	3429	$DB_ENV,
2574	$BDB_ENV_DIR,	3430	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	3433	0666;
2578		3434
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580		3436
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;	3438	$DB_ENV->set_lk_detect;
2583	};	3439	};
2584		3440
…		…
2600	prio => 6,	3456	prio => 6,
2601	cb => \&IO::AIO::poll_cb,	3457	cb => \&IO::AIO::poll_cb,
2602	);	3458	);
2603	}	3459	}
2604		3460
		3461	my $_log_backtrace;
		3462
		3463	sub _log_backtrace {
		3464	my ($msg, @addr) = @_;
		3465
		3466	$msg =~ s/\n//;
		3467
		3468	# limit the # of concurrent backtraces
		3469	if ($_log_backtrace < 2) {
		3470	++$_log_backtrace;
		3471	async {
		3472	my @bt = fork_call {
		3473	@addr = map { sprintf "%x", $_ } @addr;
		3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3476	or die "addr2line: $!";
		3477
		3478	my @funcs;
		3479	my @res = <$fh>;
		3480	chomp for @res;
		3481	while (@res) {
		3482	my ($func, $line) = splice @res, 0, 2, ();
		3483	push @funcs, "[$func] $line";
		3484	}
		3485
		3486	@funcs
		3487	};
		3488
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] $_\n" for @bt;
		3491	--$_log_backtrace;
		3492	};
		3493	} else {
		3494	LOG llevInfo, "[ABT] $msg\n";
		3495	LOG llevInfo, "[ABT] [suppressed]\n";
		3496	}
		3497	}
		3498
		3499	# load additional modules
		3500	use cf::pod;
		3501
2605	END { cf::emergency_save }	3502	END { cf::emergency_save }
2606		3503
2607	1	3504	1
2608		3505

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