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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.318 by root, Tue Jul 24 04:55:34 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
…		…
785	}	1071	}
786	} else {	1072	} else {
787	aio_unlink $filename;	1073	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1074	aio_unlink "$filename.pst";
789	}	1075	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1076	}
797	}	1077	}
798		1078
799	sub object_freezer_as_string {	1079	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1080	my ($rdata, $objs) = @_;
…		…
806		1086
807	sub object_thawer_load {	1087	sub object_thawer_load {
808	my ($filename) = @_;	1088	my ($filename) = @_;
809		1089
810	my ($data, $av);	1090	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1091
815	(aio_load $filename, $data) >= 0	1092	(aio_load $filename, $data) >= 0
816	or return;	1093	or return;
817		1094
818	unless (aio_stat "$filename.pst") {	1095	unless (aio_stat "$filename.pst") {
…		…
820	or return;	1097	or return;
821	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
822	}	1099	}
823		1100
824	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
826	return ($data, $av);	1103	return ($data, $av);
827	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
828		1111
829	#############################################################################	1112	#############################################################################
830	# command handling &c	1113	# command handling &c
831		1114
832	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1129	}
847		1130
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1132
850	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.
851		1138
852	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
853	called.	1140	called.
854		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
855	=cut	1153	=cut
856		1154
857	sub register_extcmd {	1155	sub register_extcmd {
858	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
859		1157
860	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
861	}	1165	}
862		1166
863	cf::player->attach (	1167	cf::player->attach (
864	on_command => sub {	1168	on_command => sub {
865	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
874	cf::override;	1178	cf::override;
875	},	1179	},
876	on_extcmd => sub {	1180	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
878		1182
879	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1184
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
884	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
885	}	1195	if $reply;
886	}	1196	}
887	} else {	1197	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1199	}
890		1200
891	cf::override;	1201	cf::override;
892	},	1202	},
893	);	1203	);
894		1204
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
930	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1210	next unless -r $path;
932	eval {	1211
933	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	$progress = 1;
934	1	1269	}
935	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
936	}	1275	};
937	}	1276	}
938		1277
939	#############################################################################	1278	#############################################################################
940		1279
		1280	=back
		1281
941	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
942		1283
943	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
944		1285
945	=cut	1286	=cut
…		…
957	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
958		1299
959	=cut	1300	=cut
960		1301
961	sub playerdir($) {	1302	sub playerdir($) {
962	cf::localdir	1303	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1305	}
968		1306
969	sub path($) {	1307	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1309
972	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
973	}	1311	}
974		1312
975	sub find_active($) {	1313	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1328	my $login = $_[0];
991		1329
992	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
993		1331
994	$cf::PLAYER{$_[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
995	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
996	or return;	1341	or return;
997	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
998	}	1343	}
999	}	1344	}
…		…
1036		1381
1037	=cut	1382	=cut
1038		1383
1039	sub quit_character {	1384	sub quit_character {
1040	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1041		1388
1042	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1391
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1055	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1056	}	1423	}
1057		1424
1058	=item cf::player::list_logins	1425	=item cf::player::list_logins
1059		1426
1060	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1062		1429
1063	=cut	1430	=cut
1064		1431
1065	sub list_logins {	1432	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1434	or return [];
1068		1435
1069	my @logins;	1436	my @logins;
1070		1437
1071	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1106	}	1473	}
1107		1474
1108	\@paths	1475	\@paths
1109	}	1476	}
1110		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1112		1529
1113	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1114		1531
1115	=cut	1532	=cut
1116		1533
1117	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1119		1536
1120	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1121		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1122	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1123	}	1544	}
1124		1545
1125	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1126		1586
1127	=back	1587	=back
1128
1129		1588
1130	=head3 cf::map	1589	=head3 cf::map
1131		1590
1132	=over 4	1591	=over 4
1133		1592
…		…
1188	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1189		1648
1190	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1191	local $self->{path};	1650	local $self->{path};
1192	local $self->{load_path};	1651	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1652
1196	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1197	}	1654	}
1198		1655
1199	sub normalise {	1656	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1247	return $self;	1704	return $self;
1248	}	1705	}
1249	}	1706	}
1250		1707
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1709	()
1253	}	1710	}
1254		1711
1255	sub init {	1712	sub init {
1256	my ($self) = @_;	1713	my ($self) = @_;
…		…
1271		1728
1272	# the original (read-only) location	1729	# the original (read-only) location
1273	sub load_path {	1730	sub load_path {
1274	my ($self) = @_;	1731	my ($self) = @_;
1275		1732
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1277	}	1734	}
1278		1735
1279	# the temporary/swap location	1736	# the temporary/swap location
1280	sub save_path {	1737	sub save_path {
1281	my ($self) = @_;	1738	my ($self) = @_;
1282		1739
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1285	}	1742	}
1286		1743
1287	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1288	sub uniq_path {	1745	sub uniq_path {
1289	my ($self) = @_;	1746	my ($self) = @_;
1290		1747
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1293	}	1750	}
1294		1751
1295	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1296	# all maps in C++...	1753	# all maps in C++...
1297	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1299		1756
1300	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1302	}	1759	}
1303		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1304	sub unlink_save {	1769	sub unlink_save {
1305	my ($self) = @_;	1770	my ($self) = @_;
1306		1771
1307	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1774	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1775	}
1316		1776
1317	sub load_header_from($) {	1777	sub load_header_from($) {
1318	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1319		1779
…		…
1369	$self->load_header_orig	1829	$self->load_header_orig
1370	or return;	1830	or return;
1371	$self->prepare_orig;	1831	$self->prepare_orig;
1372	}	1832	}
1373		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
		1839
1374	1	1840	1
1375	}	1841	}
1376		1842
1377	sub find;	1843	sub find;
1378	sub find {	1844	sub find {
…		…
1390	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1391		1857
1392	$map->load_header	1858	$map->load_header
1393	or return;	1859	or return;
1394		1860
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1864	$map->reset;
1399	undef $guard;	1865	undef $guard;
1400	return find $path;	1866	return find $path;
…		…
1411	my ($self) = @_;	1877	my ($self) = @_;
1412		1878
1413	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1414		1880
1415	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1416	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1417		1885
1418	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1419		1887
1420	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1421		1889
1422	$self->alloc;	1890	$self->alloc;
1423		1891
1424	$self->pre_load;	1892	$self->pre_load;
1425
1426	$self->_load_objects ($self->{load_path}, 1)
1427	or return;
1428
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};
1431
1432	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {
1435	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);
1437	}
1438	}
1439
1440	Coro::cede;
1441
1442	# now do the right thing for maps
1443	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;	1893	Coro::cede;
1450	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1451	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	1913	unless $self->difficulty;
1453	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1454	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	1927	}
1456		1928
1457	$self->post_load;	1929	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	1930	}
1461		1931
1462	sub customise_for {	1932	sub customise_for {
1463	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1464		1934
1465	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1467		1940
1468	$self	1941	$self
1469	}	1942	}
1470		1943
1471	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1518		1991
1519	undef $MAP_PREFETCH{$path};	1992	undef $MAP_PREFETCH{$path};
1520	$MAP_PREFETCHER ||= cf::async {	1993	$MAP_PREFETCHER ||= cf::async {
1521	while (%MAP_PREFETCH) {	1994	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	1995	for my $path (keys %MAP_PREFETCH) {
1523	my $map = find $path	1996	if (my $map = find $path) {
1524	or next;
1525	$map->load;	1997	$map->load;
		1998	}
1526		1999
1527	delete $MAP_PREFETCH{$path};	2000	delete $MAP_PREFETCH{$path};
1528	}	2001	}
1529	}	2002	}
1530	undef $MAP_PREFETCHER;	2003	undef $MAP_PREFETCHER;
…		…
1582		2055
1583	sub reset_at {	2056	sub reset_at {
1584	my ($self) = @_;	2057	my ($self) = @_;
1585		2058
1586	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1589		2061
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2064
…		…
1603	my ($self) = @_;	2075	my ($self) = @_;
1604		2076
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2078
1607	return if $self->players;	2079	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2080
1610	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
1611		2082
1612	$self->in_memory (cf::MAP_SWAPPED);	2083	$self->in_memory (cf::MAP_SWAPPED);
1613		2084
1614	# need to save uniques path	2085	# need to save uniques path
1615	unless ($self->{deny_save}) {	2086	unless ($self->{deny_save}) {
…		…
1647	$cf::MAP{$self->path} = $self;	2118	$cf::MAP{$self->path} = $self;
1648		2119
1649	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1650	}	2121	}
1651		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
		2157	}
		2158
1652	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1653		2160
1654	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2162	instantiated unique items. May block.
1656		2163
1657	=cut	2164	=cut
1658		2165
1659	sub unique_maps() {	2166	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1661	or return;	2168	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2169	utf8::decode $_;
1667	next if /\.pst$/;	2170	/\.map$/
1668	next unless /^$PATH_SEP/o;	2171	? normalise $_
1669		2172	: ()
1670	push @paths, cf::map::normalise $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2174	]
1672
1673	\@paths
1674	}	2175	}
1675		2176
1676	package cf;	2177	package cf;
1677		2178
1678	=back	2179	=back
…		…
1724		2225
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2227
1727	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1729	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1732	}	2242	}
1733	}	2243	}
1734		2244
1735	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1736		2246
…		…
1784	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1785		2295
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2297
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1790		2300
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2302	}
1793		2303
1794	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1796		2308
1797	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1798		2310
1799	unless ($map) {	2311	unless ($map) {
1800	# restore original map position	2312	# restore original map position
…		…
1823		2335
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1826	}	2338	}
1827		2339
1828	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2341
1832	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1836	};	2346	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2347
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1863		2351
1864	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2357
1867	$self->enter_link;	2358	$self->enter_link;
1868		2359
1869	(async {	2360	(async {
1870	my $map = eval {	2361	my $map = eval {
1871	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
		2366	$map = $check->($map) if $check && $map;
		2367	} else {
		2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
		2370
1873	$map	2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2377	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1878	})->prio (1);	2385	})->prio (1);
1879	}	2386	}
1880		2387
1881	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1882		2389
…		…
1921		2428
1922	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1923		2430
1924	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2433	my $meta = "$RANDOMDIR/$md5.meta";
1927		2434
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2437	undef $fh;
1931	aio_rename "$meta~", $meta;	2438	aio_rename "$meta~", $meta;
…		…
1940		2447
1941	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1942		2449
1943	if ($exit->slaying eq "/!") {	2450	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2454	cf::sync_job { prepare_random_map $exit };
1946	}	2455	}
1947		2456
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2458	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2459	my $sp = $exit->stats->sp;
1951		2460
1952	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1953		2466
1954	(async {	2467	(async {
1955	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2469	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2470	$self->goto ($slaying, $hp, $sp);
1958		2471
1959	1;	2472	1;
1960	}) {	2473	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2478
1966	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2480	$self->leave_link;
1968	}	2481	}
1969	})->prio (1);	2482	})->prio (1);
…		…
1982		2495
1983	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1985		2498
1986	utf8::encode $text;	2499	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2501	}
1989		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => %$channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
		2569	push @msg, msgtype => "event_$type";
		2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
		2572	}
1990		2573
1991	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
1992		2575
1993	Queues a query to the client, calling the given callback with	2576	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2579
1997	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2581	become reliable at some point in the future.
1999		2582
2000	=cut	2583	=cut
2001		2584
2002	sub cf::client::query {	2585	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2594	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2596
2014	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
2016	}	2601	}
2017		2602
2018	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
2019	on_reply => sub {	2609	on_reply => sub {
2020	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
2021		2611
2022	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
2023	# get handled first	2613	# get handled first
…		…
2035	} else {	2625	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2627	}
2038	}	2628	}
2039	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
2040	);	2653	);
2041		2654
2042	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
2043		2656
2044	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2091		2704
2092	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2093		2706
2094	=pod	2707	=pod
2095		2708
2096	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2097		2710
2098	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2099	cf::object::player player	2715	cf::object::player
2100	cf::player peaceful	2716	player
2101	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2102		2723
2103	=cut	2724	=cut
2104		2725
2105	for (	2726	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2107	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2110	) {	2732	) {
2111	no strict 'refs';	2733	no strict 'refs';
…		…
2182	=back	2804	=back
2183		2805
2184	=cut	2806	=cut
2185		2807
2186	#############################################################################	2808	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2809	# the server's init and main functions
2260		2810
2261	sub load_resources {	2811	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2812	my ($path) = @_;
		2813
		2814	warn "loading facedata from $path\n";
		2815
		2816	my $facedata;
		2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
		2819
		2820	$facedata = Coro::Storable::thaw $facedata;
		2821
		2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2824
		2825	{
		2826	my $faces = $facedata->{faceinfo};
		2827
		2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2834
		2835	cf::cede_to_tick;
		2836	}
		2837
		2838	while (my ($face, $info) = each %$faces) {
		2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	while (my ($name, $info) = each %$res) {
		2871	my $meta = $enc->encode ({
		2872	name => $name,
		2873	copyright => $info->{copyright}, #TODO#
		2874	});
		2875
		2876	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2877
		2878	if ($info->{type} & 1) {
		2879	# prepend meta info
		2880
		2881	my $data = pack "(w/a*)*", $meta, $info->{data};
		2882	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2883
		2884	cf::face::set_data $idx, 0, $data, $chk;
		2885	} else {
		2886	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2887	}
		2888
		2889	cf::face::set_type $idx, $info->{type};
		2890
		2891	cf::cede_to_tick;
		2892	}
		2893	}
		2894
		2895	1
		2896	}
		2897
		2898	register_exticmd fx_want => sub {
		2899	my ($ns, $want) = @_;
		2900
		2901	while (my ($k, $v) = each %$want) {
		2902	$ns->fx_want ($k, $v);
		2903	}
		2904	};
		2905
		2906	sub reload_regions {
		2907	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	2908	or die "unable to load regions file\n";
		2909
		2910	for (cf::region::list) {
		2911	$_->{match} = qr/$_->{match}/
		2912	if exists $_->{match};
		2913	}
		2914	}
		2915
		2916	sub reload_facedata {
		2917	load_facedata "$DATADIR/facedata"
		2918	or die "unable to load facedata\n";
		2919	}
		2920
		2921	sub reload_archetypes {
		2922	load_resource_file "$DATADIR/archetypes"
		2923	or die "unable to load archetypes\n";
		2924	#d# NEED to laod twice to resolve forward references
		2925	# this really needs to be done in an extra post-pass
		2926	# (which needs to be synchronous, so solve it differently)
		2927	load_resource_file "$DATADIR/archetypes"
		2928	or die "unable to load archetypes\n";
		2929	}
		2930
		2931	sub reload_treasures {
		2932	load_resource_file "$DATADIR/treasures"
		2933	or die "unable to load treasurelists\n";
		2934	}
		2935
		2936	sub reload_resources {
		2937	warn "reloading resource files...\n";
		2938
		2939	reload_regions;
		2940	reload_facedata;
		2941	#reload_archetypes;#d#
		2942	reload_archetypes;
		2943	reload_treasures;
		2944
		2945	warn "finished reloading resource files\n";
		2946	}
		2947
		2948	sub init {
		2949	reload_resources;
2264	}	2950	}
2265		2951
2266	sub cfg_load {	2952	sub cfg_load {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	2953	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	2954	or return;
2269		2955
2270	local $/;	2956	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	2957	*CFG = YAML::Syck::Load <$fh>;
2272		2958
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2966	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	2967	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	2968	};
2283	warn $@ if $@;	2969	warn $@ if $@;
2284	}	2970	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	2971	}
2290		2972
2291	sub main {	2973	sub main {
2292	# we must not ever block the main coroutine	2974	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	2975	local $Coro::idle = sub {
…		…
2321	},	3003	},
2322	);	3004	);
2323	}	3005	}
2324	}	3006	}
2325		3007
		3008	sub write_runtime {
		3009	my $runtime = "$LOCALDIR/runtime";
		3010
		3011	# first touch the runtime file to show we are still running:
		3012	# the fsync below can take a very very long time.
		3013
		3014	IO::AIO::aio_utime $runtime, undef, undef;
		3015
		3016	my $guard = cf::lock_acquire "write_runtime";
		3017
		3018	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3019	or return;
		3020
		3021	my $value = $cf::RUNTIME + 90 + 10;
		3022	# 10 is the runtime save interval, for a monotonic clock
		3023	# 60 allows for the watchdog to kill the server.
		3024
		3025	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3026	and return;
		3027
		3028	# always fsync - this file is important
		3029	aio_fsync $fh
		3030	and return;
		3031
		3032	# touch it again to show we are up-to-date
		3033	aio_utime $fh, undef, undef;
		3034
		3035	close $fh
		3036	or return;
		3037
		3038	aio_rename "$runtime~", $runtime
		3039	and return;
		3040
		3041	warn "runtime file written.\n";
		3042
		3043	1
		3044	}
		3045
2326	sub emergency_save() {	3046	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3047	my $freeze_guard = cf::freeze_mainloop;
2328		3048
2329	warn "enter emergency perl save\n";	3049	warn "enter emergency perl save\n";
2330		3050
…		…
2361		3081
2362	warn Carp::longmess "post_cleanup backtrace"	3082	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3083	if $make_core;
2364	}	3084	}
2365		3085
2366	sub reload() {	3086	sub do_reload_perl() {
2367	# can/must only be called in main	3087	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3088	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3089	warn "can only reload from main coroutine";
2370	return;	3090	return;
2371	}	3091	}
…		…
2396	Coro::cede;	3116	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3117	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3118	warn "iterate...";
2399	}	3119	}
2400		3120
		3121	++$RELOAD;
		3122
2401	warn "cancelling all extension coros";	3123	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3124	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3125	%EXT_CORO = ();
2404		3126
2405	warn "removing commands";	3127	warn "removing commands";
2406	%COMMAND = ();	3128	%COMMAND = ();
2407		3129
2408	warn "removing ext commands";	3130	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3131	%EXTCMD = ();
		3132	%EXTICMD = ();
2410		3133
2411	warn "unloading/nuking all extensions";	3134	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3135	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3136	warn "... unloading $pkg";
2414		3137
…		…
2444	Symbol::delete_package "safe::$_"	3167	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3168	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3169
2447	warn "unloading cf.pm \"a bit\"";	3170	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3171	delete $INC{"cf.pm"};
		3172	delete $INC{"cf/pod.pm"};
2449		3173
2450	# don't, removes xs symbols, too,	3174	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3175	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3176	#Symbol::delete_package __PACKAGE__;
2453		3177
…		…
2462		3186
2463	warn "loading extensions";	3187	warn "loading extensions";
2464	cf::load_extensions;	3188	cf::load_extensions;
2465		3189
2466	warn "reattaching attachments to objects/players";	3190	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3191	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3192	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3193	reattach $_ for values %MAP;
2470		3194	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3195	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3196
2474	warn "leaving sync_job";	3197	warn "leaving sync_job";
2475		3198
2476	1	3199	1
2477	} or do {	3200	} or do {
…		…
2483	warn "reloaded";	3206	warn "reloaded";
2484	};	3207	};
2485		3208
2486	our $RELOAD_WATCHER; # used only during reload	3209	our $RELOAD_WATCHER; # used only during reload
2487		3210
		3211	sub reload_perl() {
		3212	# doing reload synchronously and two reloads happen back-to-back,
		3213	# coro crashes during coro_state_free->destroy here.
		3214
		3215	$RELOAD_WATCHER ||= Event->timer (
		3216	reentrant => 0,
		3217	after => 0,
		3218	data => WF_AUTOCANCEL,
		3219	cb => sub {
		3220	do_reload_perl;
		3221	undef $RELOAD_WATCHER;
		3222	},
		3223	);
		3224	}
		3225
2488	register_command "reload" => sub {	3226	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3227	my ($who, $arg) = @_;
2490		3228
2491	if ($who->flag (FLAG_WIZ)) {	3229	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3230	$who->message ("reloading server.");
2493		3231	async { reload_perl };
2494	# doing reload synchronously and two reloads happen back-to-back,
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);
2506	}	3232	}
2507	};	3233	};
2508		3234
2509	unshift @INC, $LIBDIR;	3235	unshift @INC, $LIBDIR;
2510		3236
2511	my $bug_warning = 0;	3237	my $bug_warning = 0;
2512		3238
		3239	our @WAIT_FOR_TICK;
		3240	our @WAIT_FOR_TICK_BEGIN;
		3241
		3242	sub wait_for_tick {
		3243	return unless $TICK_WATCHER->is_active;
		3244	return if $Coro::current == $Coro::main;
		3245
		3246	my $signal = new Coro::Signal;
		3247	push @WAIT_FOR_TICK, $signal;
		3248	$signal->wait;
		3249	}
		3250
		3251	sub wait_for_tick_begin {
		3252	return unless $TICK_WATCHER->is_active;
		3253	return if $Coro::current == $Coro::main;
		3254
		3255	my $signal = new Coro::Signal;
		3256	push @WAIT_FOR_TICK_BEGIN, $signal;
		3257	$signal->wait;
		3258	}
		3259
		3260	my $min = 1e6;#d#
		3261	my $avg = 10;
2513	$TICK_WATCHER = Event->timer (	3262	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3263	reentrant => 0,
2515	parked => 1,	3264	parked => 1,
2516	prio => 0,	3265	prio => 0,
2517	at => $NEXT_TICK || $TICK,	3266	at => $NEXT_TICK || $TICK,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3270	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3271	unless ++$bug_warning > 10;
2523	return;	3272	return;
2524	}	3273	}
2525		3274
2526	$NOW = Event::time;	3275	$NOW = $tick_start = Event::time;
2527		3276
2528	cf::server_tick; # one server iteration	3277	cf::server_tick; # one server iteration
		3278
		3279	0 && sync_job {#d#
		3280	for(1..10) {
		3281	my $t = Event::time;
		3282	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3283	or die;
		3284
		3285	$map->width (50);
		3286	$map->height (50);
		3287	$map->alloc;
		3288	$map->_load_objects ("/tmp/x.map", 1);
		3289	my $t = Event::time - $t;
		3290
		3291	#next unless $t < 0.0013;#d#
		3292	if ($t < $min) {
		3293	$min = $t;
		3294	}
		3295	$avg = $avg * 0.99 + $t * 0.01;
		3296	}
		3297	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3298	exit 0;
		3299	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3300	};
		3301
2529	$RUNTIME += $TICK;	3302	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3303	$NEXT_TICK += $TICK;
2531		3304
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3305	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3306	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2535	write_runtime	3308	write_runtime
2536	or warn "ERROR: unable to write runtime file: $!";	3309	or warn "ERROR: unable to write runtime file: $!";
2537	};	3310	};
2538	}	3311	}
2539		3312
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;	3313	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#	3314	# warn $AFTER - $NOW;#d#
2546		3315
		3316	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3317	$sig->send;
		3318	}
		3319	while (my $sig = shift @WAIT_FOR_TICK) {
		3320	$sig->send;
		3321	}
		3322
		3323	$NOW = Event::time;
		3324
2547	# if we are delayed by four ticks or more, skip them all	3325	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3326	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2549		3327
2550	$TICK_WATCHER->at ($NEXT_TICK);	3328	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;	3329	$TICK_WATCHER->start;
		3330
		3331	$LOAD = ($NOW - $tick_start) / $TICK;
		3332	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3333
		3334	_post_tick;
		3335
		3336
2552	},	3337	},
2553	);	3338	);
2554		3339
2555	{	3340	{
2556	BDB::max_poll_time $TICK * 0.1;	3341	BDB::max_poll_time $TICK * 0.1;
…		…
2584		3369
2585	cf::sync_job {	3370	cf::sync_job {
2586	eval {	3371	eval {
2587	BDB::db_env_open	3372	BDB::db_env_open
2588	$DB_ENV,	3373	$DB_ENV,
2589	$BDB_ENV_DIR,	3374	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3375	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3376	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3377	0666;
2593		3378
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3379	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595		3380
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3381	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;	3382	$DB_ENV->set_lk_detect;
2598	};	3383	};
2599		3384
…		…
2615	prio => 6,	3400	prio => 6,
2616	cb => \&IO::AIO::poll_cb,	3401	cb => \&IO::AIO::poll_cb,
2617	);	3402	);
2618	}	3403	}
2619		3404
		3405	my $_log_backtrace;
		3406
		3407	sub _log_backtrace {
		3408	my ($msg, @addr) = @_;
		3409
		3410	$msg =~ s/\n//;
		3411
		3412	# limit the # of concurrent backtraces
		3413	if ($_log_backtrace < 2) {
		3414	++$_log_backtrace;
		3415	async {
		3416	my @bt = fork_call {
		3417	@addr = map { sprintf "%x", $_ } @addr;
		3418	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3419	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3420	or die "addr2line: $!";
		3421
		3422	my @funcs;
		3423	my @res = <$fh>;
		3424	chomp for @res;
		3425	while (@res) {
		3426	my ($func, $line) = splice @res, 0, 2, ();
		3427	push @funcs, "[$func] $line";
		3428	}
		3429
		3430	@funcs
		3431	};
		3432
		3433	LOG llevInfo, "[ABT] $msg\n";
		3434	LOG llevInfo, "[ABT] $_\n" for @bt;
		3435	--$_log_backtrace;
		3436	};
		3437	} else {
		3438	LOG llevInfo, "[ABT] $msg\n";
		3439	LOG llevInfo, "[ABT] [suppressed]\n";
		3440	}
		3441	}
		3442
		3443	# load additional modules
		3444	use cf::pod;
		3445
2620	END { cf::emergency_save }	3446	END { cf::emergency_save }
2621		3447
2622	1	3448	1
2623		3449

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