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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.312 by root, Sat Jul 21 18:01:26 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 $WRITE_RUNTIME_WATCHER;	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;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		82
59	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
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($) {
…		…
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	}
271	}	309	}
272		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		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
276	my $guard = Coro::guard {	320	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	322	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
282	$guard	324	$guard
283	}	325	}
284		326
285	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
292		334
293	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
294		336
295	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
296		338
297	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
300		343
301	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
304	fast or be very important.	347	fast or be very important.
…		…
307		350
308	sub sync_job(&) {	351	sub sync_job(&) {
309	my ($job) = @_;	352	my ($job) = @_;
310		353
311	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
312	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
314		359
315	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
327		372
328	while ($busy) {	373	while ($busy) {
329	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
330	}	375	}
331		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
332	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
333	} else {	385	} else {
334	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
335		387
336	$job->()	388	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
356		408
357	$coro	409	$coro
358	}	410	}
359		411
360	sub write_runtime {	412	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		413
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
364	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
365		418
366	my $value = $cf::RUNTIME + 90 + 10;	419	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		420
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	421	sub _store_scalar {
371	and return;	422	open my $fh, ">", \my $buf
372		423	or die "fork_call: cannot open fh-to-buf in child : $!";
373	# always fsync - this file is important	424	Storable::store_fd $_[0], $fh;
374	aio_fsync $fh
375	and return;
376
377	close $fh	425	close $fh;
378	or return;
379		426
380	aio_rename "$runtime~", $runtime	427	$buf
381	and return;	428	}
382		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
383	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	599	}
385		600
386	=back	601	=back
387		602
388	=cut	603	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
397		612
398	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	615	Crossfire TRT).
401		616
402	=over 4	617	=over 4
403		618
404	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
405		620
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
569		784
570	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		789
575	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	791	my $pkg = shift @arg;
577		792
578	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
608	}	823	}
609		824
610	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
611	} else {	826	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	828	}
614		829
615	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
616	}	831	}
617		832
…		…
619	if (ref $_[0]) {	834	if (ref $_[0]) {
620	_object_attach @_;	835	_object_attach @_;
621	} else {	836	} else {
622	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
623	}	838	}
		839	_recalc_want;
624	};	840	};
625		841
626	# all those should be optimised	842	# all those should be optimised
627	sub cf::attachable::detach {	843	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
632	reattach ($obj);	848	reattach ($obj);
633	} else {	849	} else {
634	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
635	}	851	}
		852	_recalc_want;
636	};	853	};
637		854
638	sub cf::attachable::attached {	855	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
640		857
…		…
655	";	872	";
656	die if $@;	873	die if $@;
657	}	874	}
658		875
659	our $override;	876	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		878
662	sub override {	879	sub override {
663	$override = 1;	880	$override = 1;
664	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
665	}	882	}
666		883
667	sub do_invoke {	884	sub do_invoke {
668	my $event = shift;	885	my $event = shift;
669	my $callbacks = shift;	886	my $callbacks = shift;
670		887
671	@invoke_results = ();	888	@INVOKE_RESULTS = ();
672		889
673	local $override;	890	local $override;
674		891
675	for (@$callbacks) {	892	for (@$callbacks) {
676	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
693		910
694	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
695		912
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		916
700	=back	917	=back
701		918
702	=cut	919	=cut
703		920
704	#############################################################################	921	#############################################################################
705	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
706		934
707	sub reattach {	935	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	937	my ($obj) = @_;
710		938
…		…
787	}	1015	}
788	} else {	1016	} else {
789	aio_unlink $filename;	1017	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1018	aio_unlink "$filename.pst";
791	}	1019	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1020	}
799	}	1021	}
800		1022
801	sub object_freezer_as_string {	1023	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1024	my ($rdata, $objs) = @_;
…		…
808		1030
809	sub object_thawer_load {	1031	sub object_thawer_load {
810	my ($filename) = @_;	1032	my ($filename) = @_;
811		1033
812	my ($data, $av);	1034	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1035
817	(aio_load $filename, $data) >= 0	1036	(aio_load $filename, $data) >= 0
818	or return;	1037	or return;
819		1038
820	unless (aio_stat "$filename.pst") {	1039	unless (aio_stat "$filename.pst") {
…		…
822	or return;	1041	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1043	}
825		1044
826	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	1047	return ($data, $av);
829	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
830		1055
831	#############################################################################	1056	#############################################################################
832	# command handling &c	1057	# command handling &c
833		1058
834	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1073	}
849		1074
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1076
852	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
853		1082
854	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
855	called.	1084	called.
856		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
857	=cut	1097	=cut
858		1098
859	sub register_extcmd {	1099	sub register_extcmd {
860	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
861		1101
862	$EXTCMD{$name} = $cb;	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
863	}	1109	}
864		1110
865	cf::player->attach (	1111	cf::player->attach (
866	on_command => sub {	1112	on_command => sub {
867	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1122	cf::override;
877	},	1123	},
878	on_extcmd => sub {	1124	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
880		1126
881	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1128
883	if (ref $msg) {	1129	if (ref $msg) {
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
885	if (my %reply = $cb->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
886	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
892		1138
893	cf::override;	1139	cf::override;
894	},	1140	},
895	);	1141	);
896		1142
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
932	for my $ext (<$LIBDIR/*.ext>) {	1147	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1148	next unless -r $path;
934	eval {	1149
935	load_extension $ext;	1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
936	1	1207	}
937	} or warn "$ext not loaded: $@";	1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
938	}	1213	};
939	}	1214	}
940		1215
941	#############################################################################	1216	#############################################################################
942		1217
		1218	=back
		1219
943	=head2 CORE EXTENSIONS	1220	=head2 CORE EXTENSIONS
944		1221
945	Functions and methods that extend core crossfire objects.	1222	Functions and methods that extend core crossfire objects.
946		1223
947	=cut	1224	=cut
…		…
959	Returns the given player object, loading it if necessary (might block).	1236	Returns the given player object, loading it if necessary (might block).
960		1237
961	=cut	1238	=cut
962		1239
963	sub playerdir($) {	1240	sub playerdir($) {
964	cf::localdir	1241	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1242	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1243	}
970		1244
971	sub path($) {	1245	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1246	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1247
974	(playerdir $login) . "/$login.pl"	1248	(playerdir $login) . "/playerdata"
975	}	1249	}
976		1250
977	sub find_active($) {	1251	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1252	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1253	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1266	my $login = $_[0];
993		1267
994	my $guard = cf::lock_acquire "user_find:$login";	1268	my $guard = cf::lock_acquire "user_find:$login";
995		1269
996	$cf::PLAYER{$_[0]} || do {	1270	$cf::PLAYER{$_[0]} || do {
		1271	# rename old playerfiles to new ones
		1272	#TODO: remove when no longer required
		1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1276	aio_unlink +(playerdir $login) . "/$login.pl";
		1277
997	my $pl = load_pl path $login	1278	my $pl = load_pl path $login
998	or return;	1279	or return;
999	$cf::PLAYER{$login} = $pl	1280	$cf::PLAYER{$login} = $pl
1000	}	1281	}
1001	}	1282	}
…		…
1038		1319
1039	=cut	1320	=cut
1040		1321
1041	sub quit_character {	1322	sub quit_character {
1042	my ($pl) = @_;	1323	my ($pl) = @_;
		1324
		1325	my $name = $pl->ob->name;
1043		1326
1044	$pl->{deny_save} = 1;	1327	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1328	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1329
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1335	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1336	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1337	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1338	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1339	$pl->destroy;
		1340
		1341	my $prefix = qr<^~\Q$name\E/>;
		1342
		1343	# nuke player maps
		1344	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1345
1057	IO::AIO::aio_rmtree $temp;	1346	IO::AIO::aio_rmtree $temp;
		1347	}
		1348
		1349	=item $pl->kick
		1350
		1351	Kicks a player out of the game. This destroys the connection.
		1352
		1353	=cut
		1354
		1355	sub kick {
		1356	my ($pl, $kicker) = @_;
		1357
		1358	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1359	$pl->killer ("kicked");
		1360	$pl->ns->destroy;
1058	}	1361	}
1059		1362
1060	=item cf::player::list_logins	1363	=item cf::player::list_logins
1061		1364
1062	Returns am arrayref of all valid playernames in the system, can take a	1365	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1366	while and may block, so not sync_job-capable, ever.
1064		1367
1065	=cut	1368	=cut
1066		1369
1067	sub list_logins {	1370	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1371	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1372	or return [];
1070		1373
1071	my @logins;	1374	my @logins;
1072		1375
1073	for my $login (@$dirs) {	1376	for my $login (@$dirs) {
…		…
1108	}	1411	}
1109		1412
1110	\@paths	1413	\@paths
1111	}	1414	}
1112		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1466	=item $player->ext_reply ($msgid, %msg)
1114		1467
1115	Sends an ext reply to the player.	1468	Sends an ext reply to the player.
1116		1469
1117	=cut	1470	=cut
1118		1471
1119	sub ext_reply($$$%) {	1472	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1473	my ($self, $id, %msg) = @_;
1121		1474
1122	$msg{msgid} = $id;	1475	$msg{msgid} = $id;
1123		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1477	}
1126		1478
1127	package cf;	1479	=item $player->ext_event ($type, %msg)
		1480
		1481	Sends an ext event to the client.
		1482
		1483	=cut
		1484
		1485	sub ext_event($$%) {
		1486	my ($self, $type, %msg) = @_;
		1487
		1488	$self->ns->ext_event ($type, %msg);
		1489	}
		1490
		1491	=head3 cf::region
		1492
		1493	=over 4
		1494
		1495	=cut
		1496
		1497	package cf::region;
		1498
		1499	=item cf::region::find_by_path $path
		1500
		1501	Tries to decuce the likely region for a map knowing only its path.
		1502
		1503	=cut
		1504
		1505	sub find_by_path($) {
		1506	my ($path) = @_;
		1507
		1508	my ($match, $specificity);
		1509
		1510	for my $region (list) {
		1511	if ($region->{match} && $path =~ $region->{match}) {
		1512	($match, $specificity) = ($region, $region->specificity)
		1513	if $region->specificity > $specificity;
		1514	}
		1515	}
		1516
		1517	$match
		1518	}
1128		1519
1129	=back	1520	=back
1130
1131		1521
1132	=head3 cf::map	1522	=head3 cf::map
1133		1523
1134	=over 4	1524	=over 4
1135		1525
…		…
1190	my ($self, $merge) = @_;	1580	my ($self, $merge) = @_;
1191		1581
1192	# we have to keep some variables in memory intact	1582	# we have to keep some variables in memory intact
1193	local $self->{path};	1583	local $self->{path};
1194	local $self->{load_path};	1584	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1585
1198	$self->SUPER::thawer_merge ($merge);	1586	$self->SUPER::thawer_merge ($merge);
1199	}	1587	}
1200		1588
1201	sub normalise {	1589	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1636	$self->init; # pass $1 etc.
1249	return $self;	1637	return $self;
1250	}	1638	}
1251	}	1639	}
1252		1640
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1642	()
1255	}	1643	}
1256		1644
1257	sub init {	1645	sub init {
1258	my ($self) = @_;	1646	my ($self) = @_;
…		…
1273		1661
1274	# the original (read-only) location	1662	# the original (read-only) location
1275	sub load_path {	1663	sub load_path {
1276	my ($self) = @_;	1664	my ($self) = @_;
1277		1665
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1666	"$MAPDIR/$self->{path}.map"
1279	}	1667	}
1280		1668
1281	# the temporary/swap location	1669	# the temporary/swap location
1282	sub save_path {	1670	sub save_path {
1283	my ($self) = @_;	1671	my ($self) = @_;
1284		1672
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1674	"$TMPDIR/$path.map"
1287	}	1675	}
1288		1676
1289	# the unique path, undef == no special unique path	1677	# the unique path, undef == no special unique path
1290	sub uniq_path {	1678	sub uniq_path {
1291	my ($self) = @_;	1679	my ($self) = @_;
1292		1680
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1682	"$UNIQUEDIR/$path"
1295	}	1683	}
1296		1684
1297	# and all this just because we cannot iterate over	1685	# and all this just because we cannot iterate over
1298	# all maps in C++...	1686	# all maps in C++...
1299	sub change_all_map_light {	1687	sub change_all_map_light {
…		…
1301		1689
1302	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
1304	}	1692	}
1305		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
		1700	}
		1701
1306	sub unlink_save {	1702	sub unlink_save {
1307	my ($self) = @_;	1703	my ($self) = @_;
1308		1704
1309	utf8::encode (my $save = $self->save_path);	1705	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1706	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1707	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1708	}
1318		1709
1319	sub load_header_from($) {	1710	sub load_header_from($) {
1320	my ($self, $path) = @_;	1711	my ($self, $path) = @_;
1321		1712
…		…
1371	$self->load_header_orig	1762	$self->load_header_orig
1372	or return;	1763	or return;
1373	$self->prepare_orig;	1764	$self->prepare_orig;
1374	}	1765	}
1375		1766
		1767	$self->{deny_reset} = 1
		1768	if $self->no_reset;
		1769
		1770	$self->default_region (cf::region::find_by_path $self->{path})
		1771	unless $self->default_region;
		1772
1376	1	1773	1
1377	}	1774	}
1378		1775
1379	sub find;	1776	sub find;
1380	sub find {	1777	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1789	$map->{last_save} = $cf::RUNTIME;
1393		1790
1394	$map->load_header	1791	$map->load_header
1395	or return;	1792	or return;
1396		1793
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1795	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1796	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1797	$map->reset;
1401	undef $guard;	1798	undef $guard;
1402	return find $path;	1799	return find $path;
…		…
1413	my ($self) = @_;	1810	my ($self) = @_;
1414		1811
1415	local $self->{deny_reset} = 1; # loading can take a long time	1812	local $self->{deny_reset} = 1; # loading can take a long time
1416		1813
1417	my $path = $self->{path};	1814	my $path = $self->{path};
		1815
		1816	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1817	my $guard = cf::lock_acquire "map_load:$path";
1419		1818
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1819	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1820
1422	$self->in_memory (cf::MAP_LOADING);	1821	$self->in_memory (cf::MAP_LOADING);
1423		1822
1424	$self->alloc;	1823	$self->alloc;
1425		1824
1426	$self->pre_load;	1825	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1826	Coro::cede;
1452	$self->set_darkness_map;	1827
		1828	$self->_load_objects ($self->{load_path}, 1)
		1829	or return;
		1830
		1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1832	if delete $self->{load_original};
		1833
		1834	if (my $uniq = $self->uniq_path) {
		1835	utf8::encode $uniq;
		1836	if (aio_open $uniq, O_RDONLY, 0) {
		1837	$self->clear_unique_items;
		1838	$self->_load_objects ($uniq, 0);
		1839	}
		1840	}
		1841
		1842	Coro::cede;
		1843	# now do the right thing for maps
		1844	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1845	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1846	unless $self->difficulty;
1455	Coro::cede;	1847	Coro::cede;
		1848
		1849	unless ($self->{deny_activate}) {
		1850	$self->decay_objects;
		1851	$self->fix_auto_apply;
		1852	$self->update_buttons;
		1853	Coro::cede;
		1854	$self->set_darkness_map;
		1855	Coro::cede;
1456	$self->activate;	1856	$self->activate;
		1857	}
		1858
		1859	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1860	}
1458		1861
1459	$self->post_load;	1862	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1863	}
1463		1864
1464	sub customise_for {	1865	sub customise_for {
1465	my ($self, $ob) = @_;	1866	my ($self, $ob) = @_;
1466		1867
1467	return find "~" . $ob->name . "/" . $self->{path}	1868	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
1469		1873
1470	$self	1874	$self
1471	}	1875	}
1472		1876
1473	# find and load all maps in the 3x3 area around a map	1877	# find and load all maps in the 3x3 area around a map
…		…
1520		1924
1521	undef $MAP_PREFETCH{$path};	1925	undef $MAP_PREFETCH{$path};
1522	$MAP_PREFETCHER ||= cf::async {	1926	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	1927	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	1928	for my $path (keys %MAP_PREFETCH) {
1525	my $map = find $path	1929	if (my $map = find $path) {
1526	or next;
1527	$map->load;	1930	$map->load;
		1931	}
1528		1932
1529	delete $MAP_PREFETCH{$path};	1933	delete $MAP_PREFETCH{$path};
1530	}	1934	}
1531	}	1935	}
1532	undef $MAP_PREFETCHER;	1936	undef $MAP_PREFETCHER;
…		…
1584		1988
1585	sub reset_at {	1989	sub reset_at {
1586	my ($self) = @_;	1990	my ($self) = @_;
1587		1991
1588	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1591		1994
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		1997
…		…
1605	my ($self) = @_;	2008	my ($self) = @_;
1606		2009
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2011
1609	return if $self->players;	2012	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2013
1612	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
1613		2015
1614	$self->in_memory (cf::MAP_SWAPPED);	2016	$self->in_memory (cf::MAP_SWAPPED);
1615		2017
1616	# need to save uniques path	2018	# need to save uniques path
1617	unless ($self->{deny_save}) {	2019	unless ($self->{deny_save}) {
…		…
1649	$cf::MAP{$self->path} = $self;	2051	$cf::MAP{$self->path} = $self;
1650		2052
1651	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
1652	}	2054	}
1653		2055
		2056	=item $maps = cf::map::tmp_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
		2072	}
		2073
		2074	=item $maps = cf::map::random_maps
		2075
		2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
		2078
		2079	=cut
		2080
		2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
		2090	}
		2091
1654	=item cf::map::unique_maps	2092	=item cf::map::unique_maps
1655		2093
1656	Returns an arrayref of paths of all shared maps that have	2094	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2095	instantiated unique items. May block.
1658		2096
1659	=cut	2097	=cut
1660		2098
1661	sub unique_maps() {	2099	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2100	[
1663	or return;	2101	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2102	utf8::decode $_;
1669	next if /\.pst$/;	2103	/\.map$/
1670	next unless /^$PATH_SEP/o;	2104	? normalise $_
1671		2105	: ()
1672	push @paths, cf::map::normalise $_;	2106	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2107	]
1674
1675	\@paths
1676	}	2108	}
1677		2109
1678	package cf;	2110	package cf;
1679		2111
1680	=back	2112	=back
…		…
1726		2158
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2160
1729	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1731	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1734	}	2180	}
1735	}	2181	}
1736		2182
1737	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1738		2184
…		…
1786	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1787		2233
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2235
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1792		2238
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2240	}
1795		2241
1796	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1798		2246
1799	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1800		2248
1801	unless ($map) {	2249	unless ($map) {
1802	# restore original map position	2250	# restore original map position
…		…
1820	$map->load;	2268	$map->load;
1821	$map->load_diag;	2269	$map->load_diag;
1822		2270
1823	return unless $self->contr->active;	2271	return unless $self->contr->active;
1824	$self->activate_recursive;	2272	$self->activate_recursive;
		2273
		2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1826	}	2276	}
1827		2277
1828	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2279
1832	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1836	};	2284	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2285
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	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
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	2286	=cut
		2287
		2288	our $GOTOGEN;
1863		2289
1864	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
		2292
		2293	# do generation counting so two concurrent goto's will be executed in-order
		2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2295
1867	$self->enter_link;	2296	$self->enter_link;
1868		2297
1869	(async {	2298	(async {
1870	my $map = eval {	2299	my $map = eval {
1871	my $map = cf::map::find $path;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
		2304	$map = $check->($map) if $check && $map;
		2305	} else {
		2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
		2308
1873	$map	2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2315	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1878	})->prio (1);	2323	})->prio (1);
1879	}	2324	}
1880		2325
1881	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1882		2327
…		…
1921		2366
1922	$rmp->{random_seed} ||= $exit->random_seed;	2367	$rmp->{random_seed} ||= $exit->random_seed;
1923		2368
1924	my $data = cf::to_json $rmp;	2369	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2370	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2371	my $meta = "$RANDOMDIR/$md5.meta";
1927		2372
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2374	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2375	undef $fh;
1931	aio_rename "$meta~", $meta;	2376	aio_rename "$meta~", $meta;
…		…
1940		2385
1941	return unless $self->type == cf::PLAYER;	2386	return unless $self->type == cf::PLAYER;
1942		2387
1943	if ($exit->slaying eq "/!") {	2388	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2390	# the problem is that $exit might not survive long enough
		2391	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2392	cf::sync_job { prepare_random_map $exit };
1946	}	2393	}
1947		2394
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2396	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2397	my $sp = $exit->stats->sp;
1951		2398
1952	$self->enter_link;	2399	$self->enter_link;
		2400
		2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
1953		2404
1954	(async {	2405	(async {
1955	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2407	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2408	$self->goto ($slaying, $hp, $sp);
1958		2409
1959	1;	2410	1;
1960	}) {	2411	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2412	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2413	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2414	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2415	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2416
1966	warn "ERROR in enter_exit: $@";	2417	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2418	$self->leave_link;
1968	}	2419	}
1969	})->prio (1);	2420	})->prio (1);
…		…
1982		2433
1983	sub cf::client::send_drawinfo {	2434	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2435	my ($self, $text, $flags) = @_;
1985		2436
1986	utf8::encode $text;	2437	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2439	}
1989		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	return unless @extra || length $msg;
		2456
		2457	$color &= ~cf::NDI_UNIQUE; # just in case...
		2458
		2459	if (ref $channel) {
		2460	# send meta info to client, if not yet sent
		2461	unless (exists $self->{channel}{$channel->{id}}) {
		2462	$self->{channel}{$channel->{id}} = $channel;
		2463	$self->ext_event (channel_info => %$channel);
		2464	}
		2465
		2466	$channel = $channel->{id};
		2467	}
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
		2493	=item $client->ext_event ($type, %msg)
		2494
		2495	Sends an ext event to the client.
		2496
		2497	=cut
		2498
		2499	sub cf::client::ext_event($$%) {
		2500	my ($self, $type, %msg) = @_;
		2501
		2502	return unless $self->extcmd;
		2503
		2504	$msg{msgtype} = "event_$type";
		2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2506	}
1990		2507
1991	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
1992		2509
1993	Queues a query to the client, calling the given callback with	2510	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>,	2511	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>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2513
1997	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2515	become reliable at some point in the future.
1999		2516
2000	=cut	2517	=cut
2001		2518
2002	sub cf::client::query {	2519	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2528	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2530
2014	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
2016	}	2535	}
2017		2536
2018	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
2019	on_reply => sub {	2543	on_reply => sub {
2020	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
2021		2545
2022	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
2023	# get handled first	2547	# get handled first
…		…
2035	} else {	2559	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2561	}
2038	}	2562	}
2039	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
2040	);	2582	);
2041		2583
2042	=item $client->async (\&cb)	2584	=item $client->async (\&cb)
2043		2585
2044	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
…		…
2091		2633
2092	# here we export the classes and methods available to script code	2634	# here we export the classes and methods available to script code
2093		2635
2094	=pod	2636	=pod
2095		2637
2096	The following fucntions and emthods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
2097		2639
2098	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
2099	cf::object::player player	2644	cf::object::player
2100	cf::player peaceful	2645	player
2101	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
2102		2652
2103	=cut	2653	=cut
2104		2654
2105	for (	2655	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
2107	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
2110	) {	2661	) {
2111	no strict 'refs';	2662	no strict 'refs';
…		…
2182	=back	2733	=back
2183		2734
2184	=cut	2735	=cut
2185		2736
2186	#############################################################################	2737	#############################################################################
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	2738	# the server's init and main functions
2260		2739
2261	sub load_resources {	2740	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2741	my ($path) = @_;
		2742
		2743	warn "loading facedata from $path\n";
		2744
		2745	my $facedata;
		2746	0 < aio_load $path, $facedata
		2747	or die "$path: $!";
		2748
		2749	$facedata = Coro::Storable::thaw $facedata;
		2750
		2751	$facedata->{version} == 2
		2752	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2753
		2754	{
		2755	my $faces = $facedata->{faceinfo};
		2756
		2757	while (my ($face, $info) = each %$faces) {
		2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
		2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2763
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	while (my ($face, $info) = each %$faces) {
		2768	next unless $info->{smooth};
		2769	my $idx = cf::face::find $face
		2770	or next;
		2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
		2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2774	} else {
		2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2776	}
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	{
		2783	my $anims = $facedata->{animinfo};
		2784
		2785	while (my ($anim, $info) = each %$anims) {
		2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2787	cf::cede_to_tick;
		2788	}
		2789
		2790	cf::anim::invalidate_all; # d'oh
		2791	}
		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
		2821	}
		2822
		2823	1
		2824	}
		2825
		2826	sub reload_regions {
		2827	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
		2834	}
		2835
		2836	sub reload_facedata {
		2837	load_facedata "$DATADIR/facedata"
		2838	or die "unable to load facedata\n";
		2839	}
		2840
		2841	sub reload_archetypes {
		2842	load_resource_file "$DATADIR/archetypes"
		2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
		2849	}
		2850
		2851	sub reload_treasures {
		2852	load_resource_file "$DATADIR/treasures"
		2853	or die "unable to load treasurelists\n";
		2854	}
		2855
		2856	sub reload_resources {
		2857	warn "reloading resource files...\n";
		2858
		2859	reload_regions;
		2860	reload_facedata;
		2861	#reload_archetypes;#d#
		2862	reload_archetypes;
		2863	reload_treasures;
		2864
		2865	warn "finished reloading resource files\n";
		2866	}
		2867
		2868	sub init {
		2869	reload_resources;
2264	}	2870	}
2265		2871
2266	sub cfg_load {	2872	sub cfg_load {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	2873	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	2874	or return;
2269		2875
2270	local $/;	2876	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	2877	*CFG = YAML::Syck::Load <$fh>;
2272		2878
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2886	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	2887	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	2888	};
2283	warn $@ if $@;	2889	warn $@ if $@;
2284	}	2890	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	2891	}
2290		2892
2291	sub main {	2893	sub main {
2292	# we must not ever block the main coroutine	2894	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	2895	local $Coro::idle = sub {
…		…
2321	},	2923	},
2322	);	2924	);
2323	}	2925	}
2324	}	2926	}
2325		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
		2964	}
		2965
2326	sub emergency_save() {	2966	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	2967	my $freeze_guard = cf::freeze_mainloop;
2328		2968
2329	warn "enter emergency perl save\n";	2969	warn "enter emergency perl save\n";
2330		2970
…		…
2354	};	2994	};
2355		2995
2356	warn "leave emergency perl save\n";	2996	warn "leave emergency perl save\n";
2357	}	2997	}
2358		2998
		2999	sub post_cleanup {
		3000	my ($make_core) = @_;
		3001
		3002	warn Carp::longmess "post_cleanup backtrace"
		3003	if $make_core;
		3004	}
		3005
2359	sub reload() {	3006	sub do_reload_perl() {
2360	# can/must only be called in main	3007	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3008	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3009	warn "can only reload from main coroutine";
2363	return;	3010	return;
2364	}	3011	}
2365		3012
2366	warn "reloading...";	3013	warn "reloading...";
2367		3014
2368	warn "cancelling server ticker";	3015	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3016
		3017	cf::sync_job {
		3018	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3019	cf::emergency_save;
		3020	cf::write_runtime; # external watchdog should not bark
2372		3021
2373	eval {	3022	warn "syncing database to disk";
		3023	BDB::db_env_txn_checkpoint $DB_ENV;
		3024
2374	# if anything goes wrong in here, we should simply crash as we already saved	3025	# if anything goes wrong in here, we should simply crash as we already saved
2375		3026
2376	warn "cancelling all WF_AUTOCANCEL watchers";	3027	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {	3028	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;	3029	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}	3030	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383		3031
2384	warn "flushing outstanding aio requests";	3032	warn "flushing outstanding aio requests";
2385	for (;;) {	3033	for (;;) {
2386	BDB::flush;	3034	BDB::flush;
2387	IO::AIO::flush;	3035	IO::AIO::flush;
2388	Coro::cede;	3036	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;	3037	last unless IO::AIO::nreqs || BDB::nreqs;
2390	warn "iterate...";	3038	warn "iterate...";
2391	}	3039	}
2392		3040
		3041	++$RELOAD;
		3042
2393	warn "cancelling all extension coros";	3043	warn "cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;	3044	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();	3045	%EXT_CORO = ();
2396		3046
2397	warn "removing commands";	3047	warn "removing commands";
2398	%COMMAND = ();	3048	%COMMAND = ();
2399		3049
2400	warn "removing ext commands";	3050	warn "removing ext/exti commands";
2401	%EXTCMD = ();	3051	%EXTCMD = ();
		3052	%EXTICMD = ();
2402		3053
2403	warn "unloading/nuking all extensions";	3054	warn "unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {	3055	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";	3056	warn "... unloading $pkg";
2406		3057
…		…
2436	Symbol::delete_package "safe::$_"	3087	Symbol::delete_package "safe::$_"
2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438		3089
2439	warn "unloading cf.pm \"a bit\"";	3090	warn "unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3091	delete $INC{"cf.pm"};
		3092	delete $INC{"cf/pod.pm"};
2441		3093
2442	# don't, removes xs symbols, too,	3094	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3095	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3096	#Symbol::delete_package __PACKAGE__;
2445		3097
…		…
2454		3106
2455	warn "loading extensions";	3107	warn "loading extensions";
2456	cf::load_extensions;	3108	cf::load_extensions;
2457		3109
2458	warn "reattaching attachments to objects/players";	3110	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3111	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3112	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3113	reattach $_ for values %MAP;
		3114	warn "reattaching attachments to players";
		3115	reattach $_ for values %PLAYER;
2462		3116
2463	warn "loading reloadable resources";	3117	warn "leaving sync_job";
2464	load_resources;
2465		3118
2466	warn "restarting server ticker";	3119	1
2467		3120	} or do {
2468	$TICK_WATCHER->start;
2469	};
2470
2471	if ($@) {
2472	warn $@;	3121	warn $@;
2473	warn "error while reloading, exiting.";	3122	warn "error while reloading, exiting.";
2474	exit 1;	3123	exit 1;
2475	}	3124	};
2476		3125
2477	warn "reloaded";	3126	warn "reloaded";
2478	};	3127	};
2479		3128
2480	our $RELOAD_WATCHER; # used only during reload	3129	our $RELOAD_WATCHER; # used only during reload
2481		3130
		3131	sub reload_perl() {
		3132	# doing reload synchronously and two reloads happen back-to-back,
		3133	# coro crashes during coro_state_free->destroy here.
		3134
		3135	$RELOAD_WATCHER ||= Event->timer (
		3136	reentrant => 0,
		3137	after => 0,
		3138	data => WF_AUTOCANCEL,
		3139	cb => sub {
		3140	do_reload_perl;
		3141	undef $RELOAD_WATCHER;
		3142	},
		3143	);
		3144	}
		3145
2482	register_command "reload" => sub {	3146	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3147	my ($who, $arg) = @_;
2484		3148
2485	if ($who->flag (FLAG_WIZ)) {	3149	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3150	$who->message ("reloading server.");
2487		3151	async { reload_perl };
2488	# doing reload synchronously and two reloads happen back-to-back,
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);
2500	}	3152	}
2501	};	3153	};
2502		3154
2503	unshift @INC, $LIBDIR;	3155	unshift @INC, $LIBDIR;
2504		3156
2505	my $bug_warning = 0;	3157	my $bug_warning = 0;
2506		3158
		3159	our @WAIT_FOR_TICK;
		3160	our @WAIT_FOR_TICK_BEGIN;
		3161
		3162	sub wait_for_tick {
		3163	return unless $TICK_WATCHER->is_active;
		3164	return if $Coro::current == $Coro::main;
		3165
		3166	my $signal = new Coro::Signal;
		3167	push @WAIT_FOR_TICK, $signal;
		3168	$signal->wait;
		3169	}
		3170
		3171	sub wait_for_tick_begin {
		3172	return unless $TICK_WATCHER->is_active;
		3173	return if $Coro::current == $Coro::main;
		3174
		3175	my $signal = new Coro::Signal;
		3176	push @WAIT_FOR_TICK_BEGIN, $signal;
		3177	$signal->wait;
		3178	}
		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2507	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2508	reentrant => 0,	3183	reentrant => 0,
2509	parked => 1,	3184	parked => 1,
2510	prio => 0,	3185	prio => 0,
2511	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
…		…
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3191	unless ++$bug_warning > 10;
2517	return;	3192	return;
2518	}	3193	}
2519		3194
2520	$NOW = Event::time;	3195	$NOW = $tick_start = Event::time;
2521		3196
2522	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
		3221
2523	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2525		3224
2526	$WAIT_FOR_TICK->broadcast;	3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
2528		3227	Coro::async_pool {
2529	Event::sweep;	3228	write_runtime
2530	Coro::cede_notself;	3229	or warn "ERROR: unable to write runtime file: $!";
		3230	};
2531		3231	}
		3232
2532	# my $AFTER = Event::time;	3233	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#	3234	# warn $AFTER - $NOW;#d#
2534		3235
		3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3237	$sig->send;
		3238	}
		3239	while (my $sig = shift @WAIT_FOR_TICK) {
		3240	$sig->send;
		3241	}
		3242
		3243	$NOW = Event::time;
		3244
2535	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2537		3247
2538	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
		3250
		3251	$LOAD = ($NOW - $tick_start) / $TICK;
		3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3253
		3254	_post_tick;
		3255
		3256
2540	},	3257	},
2541	);	3258	);
2542		3259
2543	{	3260	{
2544	BDB::max_poll_time $TICK * 0.1;	3261	BDB::max_poll_time $TICK * 0.1;
…		…
2572		3289
2573	cf::sync_job {	3290	cf::sync_job {
2574	eval {	3291	eval {
2575	BDB::db_env_open	3292	BDB::db_env_open
2576	$DB_ENV,	3293	$DB_ENV,
2577	$BDB_ENV_DIR,	3294	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	3297	0666;
2581		3298
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583		3300
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;	3302	$DB_ENV->set_lk_detect;
2586	};	3303	};
2587		3304
…		…
2595		3312
2596	undef $Coro::AIO::WATCHER;	3313	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	3314	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	3315	$AIO_POLL_WATCHER = Event->io (
2599	reentrant => 0,	3316	reentrant => 0,
		3317	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,	3318	fd => IO::AIO::poll_fileno,
2601	poll => 'r',	3319	poll => 'r',
2602	prio => 6,	3320	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,	3321	cb => \&IO::AIO::poll_cb,
2605	);	3322	);
2606	}	3323	}
2607		3324
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	3325	my $_log_backtrace;
2609	reentrant => 0,	3326
2610	data => WF_AUTOCANCEL,	3327	sub _log_backtrace {
2611	after => 1,	3328	my ($msg, @addr) = @_;
2612	interval => 10,	3329
2613	prio => 6, # keep it lowest so it acts like a watchdog	3330	$msg =~ s/\n//;
2614	cb => Coro::unblock_sub {	3331
2615	write_runtime	3332	# limit the # of concurrent backtraces
2616	or warn "ERROR: unable to write runtime file: $!";	3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
		3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
2617	},	3360	}
2618	);	3361	}
		3362
		3363	# load additional modules
		3364	use cf::pod;
2619		3365
2620	END { cf::emergency_save }	3366	END { cf::emergency_save }
2621		3367
2622	1	3368	1
2623		3369

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