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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 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
…		…
787	}	1004	}
788	} else {	1005	} else {
789	aio_unlink $filename;	1006	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1007	aio_unlink "$filename.pst";
791	}	1008	}
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	}	1009	}
799	}	1010	}
800		1011
801	sub object_freezer_as_string {	1012	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1013	my ($rdata, $objs) = @_;
…		…
808		1019
809	sub object_thawer_load {	1020	sub object_thawer_load {
810	my ($filename) = @_;	1021	my ($filename) = @_;
811		1022
812	my ($data, $av);	1023	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1024
817	(aio_load $filename, $data) >= 0	1025	(aio_load $filename, $data) >= 0
818	or return;	1026	or return;
819		1027
820	unless (aio_stat "$filename.pst") {	1028	unless (aio_stat "$filename.pst") {
…		…
822	or return;	1030	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1032	}
825		1033
826	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	1036	return ($data, $av);
829	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
830		1044
831	#############################################################################	1045	#############################################################################
832	# command handling &c	1046	# command handling &c
833		1047
834	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1062	}
849		1063
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1065
852	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
853		1071
854	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
855	called.	1073	called.
856		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
857	=cut	1086	=cut
858		1087
859	sub register_extcmd {	1088	sub register_extcmd {
860	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
861		1090
862	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
863	}	1098	}
864		1099
865	cf::player->attach (	1100	cf::player->attach (
866	on_command => sub {	1101	on_command => sub {
867	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1111	cf::override;
877	},	1112	},
878	on_extcmd => sub {	1113	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
880		1115
881	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1117
883	if (ref $msg) {	1118	if (ref $msg) {
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
885	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
886	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
892		1127
893	cf::override;	1128	cf::override;
894	},	1129	},
895	);	1130	);
896		1131
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 {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
932	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1137	next unless -r $path;
934	eval {	1138
935	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
936	1	1196	}
937	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
938	}	1202	};
939	}	1203	}
940		1204
941	#############################################################################	1205	#############################################################################
942		1206
		1207	=back
		1208
943	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
944		1210
945	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
946		1212
947	=cut	1213	=cut
…		…
959	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
960		1226
961	=cut	1227	=cut
962		1228
963	sub playerdir($) {	1229	sub playerdir($) {
964	cf::localdir	1230	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1232	}
970		1233
971	sub path($) {	1234	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1236
974	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
975	}	1238	}
976		1239
977	sub find_active($) {	1240	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1255	my $login = $_[0];
993		1256
994	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
995		1258
996	$cf::PLAYER{$_[0]} || do {	1259	$cf::PLAYER{$_[0]} || do {
		1260	# rename old playerfiles to new ones
		1261	#TODO: remove when no longer required
		1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1265	aio_unlink +(playerdir $login) . "/$login.pl";
		1266
997	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
998	or return;	1268	or return;
999	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
1000	}	1270	}
1001	}	1271	}
…		…
1038		1308
1039	=cut	1309	=cut
1040		1310
1041	sub quit_character {	1311	sub quit_character {
1042	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1043		1315
1044	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1317	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1318
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1328	$pl->destroy;
		1329
		1330	my $prefix = qr<^~\Q$name\E/>;
		1331
		1332	# nuke player maps
		1333	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1334
1057	IO::AIO::aio_rmtree $temp;	1335	IO::AIO::aio_rmtree $temp;
		1336	}
		1337
		1338	=item $pl->kick
		1339
		1340	Kicks a player out of the game. This destroys the connection.
		1341
		1342	=cut
		1343
		1344	sub kick {
		1345	my ($pl, $kicker) = @_;
		1346
		1347	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1348	$pl->killer ("kicked");
		1349	$pl->ns->destroy;
1058	}	1350	}
1059		1351
1060	=item cf::player::list_logins	1352	=item cf::player::list_logins
1061		1353
1062	Returns am arrayref of all valid playernames in the system, can take a	1354	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1064		1356
1065	=cut	1357	=cut
1066		1358
1067	sub list_logins {	1359	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1361	or return [];
1070		1362
1071	my @logins;	1363	my @logins;
1072		1364
1073	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1108	}	1400	}
1109		1401
1110	\@paths	1402	\@paths
1111	}	1403	}
1112		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1114		1456
1115	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1116		1458
1117	=cut	1459	=cut
1118		1460
1119	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1121		1463
1122	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1123		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1466	}
1126		1467
1127	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		1475	my ($self, $type, %msg) = @_;
		1476
		1477	$self->ns->ext_event ($type, %msg);
		1478	}
		1479
		1480	=head3 cf::region
		1481
		1482	=over 4
		1483
		1484	=cut
		1485
		1486	package cf::region;
		1487
		1488	=item cf::region::find_by_path $path
		1489
		1490	Tries to decuce the likely region for a map knowing only its path.
		1491
		1492	=cut
		1493
		1494	sub find_by_path($) {
		1495	my ($path) = @_;
		1496
		1497	my ($match, $specificity);
		1498
		1499	for my $region (list) {
		1500	if ($region->{match} && $path =~ $region->{match}) {
		1501	($match, $specificity) = ($region, $region->specificity)
		1502	if $region->specificity > $specificity;
		1503	}
		1504	}
		1505
		1506	$match
		1507	}
1128		1508
1129	=back	1509	=back
1130
1131		1510
1132	=head3 cf::map	1511	=head3 cf::map
1133		1512
1134	=over 4	1513	=over 4
1135		1514
…		…
1190	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1191		1570
1192	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1193	local $self->{path};	1572	local $self->{path};
1194	local $self->{load_path};	1573	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1574
1198	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1199	}	1576	}
1200		1577
1201	sub normalise {	1578	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1249	return $self;	1626	return $self;
1250	}	1627	}
1251	}	1628	}
1252		1629
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1631	()
1255	}	1632	}
1256		1633
1257	sub init {	1634	sub init {
1258	my ($self) = @_;	1635	my ($self) = @_;
…		…
1273		1650
1274	# the original (read-only) location	1651	# the original (read-only) location
1275	sub load_path {	1652	sub load_path {
1276	my ($self) = @_;	1653	my ($self) = @_;
1277		1654
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1279	}	1656	}
1280		1657
1281	# the temporary/swap location	1658	# the temporary/swap location
1282	sub save_path {	1659	sub save_path {
1283	my ($self) = @_;	1660	my ($self) = @_;
1284		1661
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1287	}	1664	}
1288		1665
1289	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1290	sub uniq_path {	1667	sub uniq_path {
1291	my ($self) = @_;	1668	my ($self) = @_;
1292		1669
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1295	}	1672	}
1296		1673
1297	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1298	# all maps in C++...	1675	# all maps in C++...
1299	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1301		1678
1302	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1304	}	1681	}
1305		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
1306	sub unlink_save {	1691	sub unlink_save {
1307	my ($self) = @_;	1692	my ($self) = @_;
1308		1693
1309	utf8::encode (my $save = $self->save_path);	1694	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1696	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	}	1697	}
1318		1698
1319	sub load_header_from($) {	1699	sub load_header_from($) {
1320	my ($self, $path) = @_;	1700	my ($self, $path) = @_;
1321		1701
…		…
1371	$self->load_header_orig	1751	$self->load_header_orig
1372	or return;	1752	or return;
1373	$self->prepare_orig;	1753	$self->prepare_orig;
1374	}	1754	}
1375		1755
		1756	$self->{deny_reset} = 1
		1757	if $self->no_reset;
		1758
		1759	$self->default_region (cf::region::find_by_path $self->{path})
		1760	unless $self->default_region;
		1761
1376	1	1762	1
1377	}	1763	}
1378		1764
1379	sub find;	1765	sub find;
1380	sub find {	1766	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1393		1779
1394	$map->load_header	1780	$map->load_header
1395	or return;	1781	or return;
1396		1782
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1786	$map->reset;
1401	undef $guard;	1787	undef $guard;
1402	return find $path;	1788	return find $path;
…		…
1413	my ($self) = @_;	1799	my ($self) = @_;
1414		1800
1415	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1416		1802
1417	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1419		1807
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1809
1422	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1423		1811
1424	$self->alloc;	1812	$self->alloc;
1425		1813
1426	$self->pre_load;	1814	$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;	1815	Coro::cede;
1452	$self->set_darkness_map;	1816
		1817	$self->_load_objects ($self->{load_path}, 1)
		1818	or return;
		1819
		1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1821	if delete $self->{load_original};
		1822
		1823	if (my $uniq = $self->uniq_path) {
		1824	utf8::encode $uniq;
		1825	if (aio_open $uniq, O_RDONLY, 0) {
		1826	$self->clear_unique_items;
		1827	$self->_load_objects ($uniq, 0);
		1828	}
		1829	}
		1830
		1831	Coro::cede;
		1832	# now do the right thing for maps
		1833	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1835	unless $self->difficulty;
1455	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1456	$self->activate;	1845	$self->activate;
		1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1849	}
1458		1850
1459	$self->post_load;	1851	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1852	}
1463		1853
1464	sub customise_for {	1854	sub customise_for {
1465	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1466		1856
1467	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1469		1862
1470	$self	1863	$self
1471	}	1864	}
1472		1865
1473	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
…		…
1520		1913
1521	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1522	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1525	my $map = find $path	1918	if (my $map = find $path) {
1526	or next;
1527	$map->load;	1919	$map->load;
		1920	}
1528		1921
1529	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1530	}	1923	}
1531	}	1924	}
1532	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1584		1977
1585	sub reset_at {	1978	sub reset_at {
1586	my ($self) = @_;	1979	my ($self) = @_;
1587		1980
1588	# TODO: safety, remove and allow resettable per-player maps	1981	# 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};	1982	return 1e99 if $self->{deny_reset};
1591		1983
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		1986
…		…
1605	my ($self) = @_;	1997	my ($self) = @_;
1606		1998
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2000
1609	return if $self->players;	2001	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2002
1612	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
		2004
		2005	$self->in_memory (cf::MAP_SWAPPED);
		2006
		2007	# need to save uniques path
		2008	unless ($self->{deny_save}) {
		2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2010
		2011	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2012	if $uniq;
		2013	}
1613		2014
1614	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
1615		2016
1616	$self->in_memory (cf::MAP_SWAPPED);
1617	$self->clear;	2017	$self->clear;
1618		2018
1619	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1620		2020
1621	$self->unlink_save;	2021	$self->unlink_save;
…		…
1640	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1641		2041
1642	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1643	}	2043	}
1644		2044
		2045	=item $maps = cf::map::tmp_maps
		2046
		2047	Returns an arrayref with all map paths of currently instantiated and saved
		2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
		2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
		2062
		2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
		2079	}
		2080
1645	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1646		2082
1647	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2084	instantiated unique items. May block.
1649		2085
1650	=cut	2086	=cut
1651		2087
1652	sub unique_maps() {	2088	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1654	or return;	2090	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2091	utf8::decode $_;
1660	next if /\.pst$/;	2092	/\.map$/
1661	next unless /^$PATH_SEP/o;	2093	? normalise $_
1662		2094	: ()
1663	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2096	]
1665
1666	\@paths
1667	}	2097	}
1668		2098
1669	package cf;	2099	package cf;
1670		2100
1671	=back	2101	=back
…		…
1717		2147
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2149
1720	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1722	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1725	}	2169	}
1726	}	2170	}
1727		2171
1728	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1729		2173
…		…
1777	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1778		2222
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2224
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1783		2227
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2229	}
1786		2230
1787	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1789		2235
1790	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1791		2237
1792	unless ($map) {	2238	unless ($map) {
1793	# restore original map position	2239	# restore original map position
…		…
1811	$map->load;	2257	$map->load;
1812	$map->load_diag;	2258	$map->load_diag;
1813		2259
1814	return unless $self->contr->active;	2260	return unless $self->contr->active;
1815	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1817	}	2265	}
1818		2266
1819	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2268
1823	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1827	};	2273	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2274
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1854		2278
1855	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
		2281
		2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2284
1858	$self->enter_link;	2285	$self->enter_link;
1859		2286
1860	(async {	2287	(async {
1861	my $map = eval {	2288	my $map = eval {
1862	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
		2293	$map = $check->($map) if $check && $map;
		2294	} else {
		2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
		2297
1864	$map	2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2304	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1869	})->prio (1);	2312	})->prio (1);
1870	}	2313	}
1871		2314
1872	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1873		2316
…		…
1912		2355
1913	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1914		2357
1915	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2360	my $meta = "$RANDOMDIR/$md5.meta";
1918		2361
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2364	undef $fh;
1922	aio_rename "$meta~", $meta;	2365	aio_rename "$meta~", $meta;
…		…
1931		2374
1932	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1933		2376
1934	if ($exit->slaying eq "/!") {	2377	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2379	# the problem is that $exit might not survive long enough
		2380	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2381	cf::sync_job { prepare_random_map $exit };
1937	}	2382	}
1938		2383
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
1942		2387
1943	$self->enter_link;	2388	$self->enter_link;
		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
1944		2393
1945	(async {	2394	(async {
1946	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2396	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
1949		2398
1950	1;	2399	1;
1951	}) {	2400	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2402	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2405
1957	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2407	$self->leave_link;
1959	}	2408	}
1960	})->prio (1);	2409	})->prio (1);
…		…
1973		2422
1974	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1976		2425
1977	utf8::encode $text;	2426	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2428	}
1980		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
		2470	=item $client->ext_event ($type, %msg)
		2471
		2472	Sends an ext event to the client.
		2473
		2474	=cut
		2475
		2476	sub cf::client::ext_event($$%) {
		2477	my ($self, $type, %msg) = @_;
		2478
		2479	return unless $self->extcmd;
		2480
		2481	$msg{msgtype} = "event_$type";
		2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2483	}
1981		2484
1982	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1983		2486
1984	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2490
1988	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2492	become reliable at some point in the future.
1990		2493
1991	=cut	2494	=cut
1992		2495
1993	sub cf::client::query {	2496	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2505	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2507
2005	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
2007	}	2512	}
2008		2513
2009	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
2010	on_reply => sub {	2520	on_reply => sub {
2011	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
2012		2522
2013	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
2014	# get handled first	2524	# get handled first
…		…
2026	} else {	2536	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2538	}
2029	}	2539	}
2030	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
2031	);	2559	);
2032		2560
2033	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
2034		2562
2035	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
2082		2610
2083	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
2084		2612
2085	=pod	2613	=pod
2086		2614
2087	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
2088		2616
2089	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
2090	cf::object::player player	2621	cf::object::player
2091	cf::player peaceful	2622	player
2092	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
2093		2629
2094	=cut	2630	=cut
2095		2631
2096	for (	2632	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
2098	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2101	) {	2638	) {
2102	no strict 'refs';	2639	no strict 'refs';
…		…
2173	=back	2710	=back
2174		2711
2175	=cut	2712	=cut
2176		2713
2177	#############################################################################	2714	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};
2215
2216	my $path = cf::localdir . "/database.pst";
2217	if (stat $path) {
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220
2221	cf::db_put (board => data => $pst->{board});
2222	cf::db_put (guildrules => data => $pst->{guildrules});
2223	cf::db_put (rent => balance => $pst->{rent}{balance});
2224	BDB::db_env_txn_checkpoint $DB_ENV;
2225
2226	unlink $path;
2227	};
2228	}
2229	}
2230
2231	sub db_get($$) {
2232	my $key = "$_[0]/$_[1]";
2233
2234	cf::sync_job {
2235	BDB::db_get $DB, undef, $key, my $data;
2236
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}
2240	}
2241
2242	sub db_put($$$) {
2243	BDB::dbreq_pri 4;
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2245	}
2246
2247	#############################################################################
2248	# the server's init and main functions	2715	# the server's init and main functions
2249		2716
2250	sub load_resources {	2717	sub load_facedata($) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2718	my ($path) = @_;
		2719
		2720	warn "loading facedata from $path\n";
		2721
		2722	my $facedata;
		2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
		2725
		2726	$facedata = Coro::Storable::thaw $facedata;
		2727
		2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2730
		2731	{
		2732	my $faces = $facedata->{faceinfo};
		2733
		2734	while (my ($face, $info) = each %$faces) {
		2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
		2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2740
		2741	cf::cede_to_tick;
		2742	}
		2743
		2744	while (my ($face, $info) = each %$faces) {
		2745	next unless $info->{smooth};
		2746	my $idx = cf::face::find $face
		2747	or next;
		2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
		2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2751	} else {
		2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2753	}
		2754
		2755	cf::cede_to_tick;
		2756	}
		2757	}
		2758
		2759	{
		2760	my $anims = $facedata->{animinfo};
		2761
		2762	while (my ($anim, $info) = each %$anims) {
		2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
		2798	}
		2799
		2800	1
		2801	}
		2802
		2803	sub reload_regions {
		2804	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
		2811	}
		2812
		2813	sub reload_facedata {
		2814	load_facedata "$DATADIR/facedata"
		2815	or die "unable to load facedata\n";
		2816	}
		2817
		2818	sub reload_archetypes {
		2819	load_resource_file "$DATADIR/archetypes"
		2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
		2826	}
		2827
		2828	sub reload_treasures {
		2829	load_resource_file "$DATADIR/treasures"
		2830	or die "unable to load treasurelists\n";
		2831	}
		2832
		2833	sub reload_resources {
		2834	warn "reloading resource files...\n";
		2835
		2836	reload_regions;
		2837	reload_facedata;
		2838	#reload_archetypes;#d#
		2839	reload_archetypes;
		2840	reload_treasures;
		2841
		2842	warn "finished reloading resource files\n";
		2843	}
		2844
		2845	sub init {
		2846	reload_resources;
2253	}	2847	}
2254		2848
2255	sub cfg_load {	2849	sub cfg_load {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	2851	or return;
2258		2852
2259	local $/;	2853	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2261		2855
…		…
2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2863	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2270	and die "WARNING: m(un)lockall failed: $!\n";	2864	and die "WARNING: m(un)lockall failed: $!\n";
2271	};	2865	};
2272	warn $@ if $@;	2866	warn $@ if $@;
2273	}	2867	}
2274	}
2275
2276	sub init {
2277	load_resources;
2278	}	2868	}
2279		2869
2280	sub main {	2870	sub main {
2281	# we must not ever block the main coroutine	2871	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	2872	local $Coro::idle = sub {
…		…
2285	Event::one_event;	2875	Event::one_event;
2286	})->prio (Coro::PRIO_MAX);	2876	})->prio (Coro::PRIO_MAX);
2287	};	2877	};
2288		2878
2289	cfg_load;	2879	cfg_load;
		2880	db_init;
2290	load_extensions;	2881	load_extensions;
2291		2882
2292	$TICK_WATCHER->start;	2883	$TICK_WATCHER->start;
2293	Event::loop;	2884	Event::loop;
2294	}	2885	}
…		…
2309	},	2900	},
2310	);	2901	);
2311	}	2902	}
2312	}	2903	}
2313		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
		2941	}
		2942
2314	sub emergency_save() {	2943	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2316		2945
2317	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2318		2947
…		…
2342	};	2971	};
2343		2972
2344	warn "leave emergency perl save\n";	2973	warn "leave emergency perl save\n";
2345	}	2974	}
2346		2975
		2976	sub post_cleanup {
		2977	my ($make_core) = @_;
		2978
		2979	warn Carp::longmess "post_cleanup backtrace"
		2980	if $make_core;
		2981	}
		2982
2347	sub reload() {	2983	sub do_reload_perl() {
2348	# can/must only be called in main	2984	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	2986	warn "can only reload from main coroutine";
2351	return;	2987	return;
2352	}	2988	}
2353		2989
2354	warn "reloading...";	2990	warn "reloading...";
2355		2991
2356	warn "cancelling server ticker";	2992	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		2993
		2994	cf::sync_job {
		2995	cf::write_runtime; # external watchdog should not bark
2359	cf::emergency_save;	2996	cf::emergency_save;
		2997	cf::write_runtime; # external watchdog should not bark
2360		2998
2361	eval {	2999	warn "syncing database to disk";
		3000	BDB::db_env_txn_checkpoint $DB_ENV;
		3001
2362	# if anything goes wrong in here, we should simply crash as we already saved	3002	# if anything goes wrong in here, we should simply crash as we already saved
2363		3003
2364	warn "cancelling all WF_AUTOCANCEL watchers";	3004	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {	3005	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;	3006	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}	3007	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371		3008
2372	warn "flushing outstanding aio requests";	3009	warn "flushing outstanding aio requests";
2373	for (;;) {	3010	for (;;) {
2374	BDB::flush;	3011	BDB::flush;
2375	IO::AIO::flush;	3012	IO::AIO::flush;
2376	Coro::cede;	3013	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3014	last unless IO::AIO::nreqs || BDB::nreqs;
2378	warn "iterate...";	3015	warn "iterate...";
2379	}	3016	}
2380		3017
		3018	++$RELOAD;
		3019
2381	warn "cancelling all extension coros";	3020	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();	3022	%EXT_CORO = ();
2384		3023
2385	warn "removing commands";	3024	warn "removing commands";
2386	%COMMAND = ();	3025	%COMMAND = ();
2387		3026
2388	warn "removing ext commands";	3027	warn "removing ext/exti commands";
2389	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2390		3030
2391	warn "unloading/nuking all extensions";	3031	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";	3033	warn "... unloading $pkg";
2394		3034
…		…
2424	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		3066
2427	warn "unloading cf.pm \"a bit\"";	3067	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2429		3070
2430	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3072	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2433		3074
…		…
2442		3083
2443	warn "loading extensions";	3084	warn "loading extensions";
2444	cf::load_extensions;	3085	cf::load_extensions;
2445		3086
2446	warn "reattaching attachments to objects/players";	3087	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3088	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3089	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
		3091	warn "reattaching attachments to players";
		3092	reattach $_ for values %PLAYER;
2450		3093
2451	warn "loading reloadable resources";	3094	warn "leaving sync_job";
2452	load_resources;
2453		3095
2454	warn "restarting server ticker";	3096	1
2455		3097	} or do {
2456	$TICK_WATCHER->start;
2457	};
2458
2459	if ($@) {
2460	warn $@;	3098	warn $@;
2461	warn "error while reloading, exiting.";	3099	warn "error while reloading, exiting.";
2462	exit 1;	3100	exit 1;
2463	}	3101	};
2464		3102
2465	warn "reloaded";	3103	warn "reloaded";
2466	};	3104	};
2467		3105
2468	our $RELOAD_WATCHER; # used only during reload	3106	our $RELOAD_WATCHER; # used only during reload
2469		3107
		3108	sub reload_perl() {
		3109	# doing reload synchronously and two reloads happen back-to-back,
		3110	# coro crashes during coro_state_free->destroy here.
		3111
		3112	$RELOAD_WATCHER ||= Event->timer (
		3113	reentrant => 0,
		3114	after => 0,
		3115	data => WF_AUTOCANCEL,
		3116	cb => sub {
		3117	do_reload_perl;
		3118	undef $RELOAD_WATCHER;
		3119	},
		3120	);
		3121	}
		3122
2470	register_command "reload" => sub {	3123	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2472		3125
2473	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3127	$who->message ("reloading server.");
2475		3128	async { reload_perl };
2476	# doing reload synchronously and two reloads happen back-to-back,
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);
2488	}	3129	}
2489	};	3130	};
2490		3131
2491	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2492		3133
2493	my $bug_warning = 0;	3134	my $bug_warning = 0;
2494		3135
		3136	our @WAIT_FOR_TICK;
		3137	our @WAIT_FOR_TICK_BEGIN;
		3138
		3139	sub wait_for_tick {
		3140	return unless $TICK_WATCHER->is_active;
		3141	return if $Coro::current == $Coro::main;
		3142
		3143	my $signal = new Coro::Signal;
		3144	push @WAIT_FOR_TICK, $signal;
		3145	$signal->wait;
		3146	}
		3147
		3148	sub wait_for_tick_begin {
		3149	return unless $TICK_WATCHER->is_active;
		3150	return if $Coro::current == $Coro::main;
		3151
		3152	my $signal = new Coro::Signal;
		3153	push @WAIT_FOR_TICK_BEGIN, $signal;
		3154	$signal->wait;
		3155	}
		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2495	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2496	reentrant => 0,	3160	reentrant => 0,
2497	parked => 1,	3161	parked => 1,
2498	prio => 0,	3162	prio => 0,
2499	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
…		…
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3168	unless ++$bug_warning > 10;
2505	return;	3169	return;
2506	}	3170	}
2507		3171
2508	$NOW = Event::time;	3172	$NOW = $tick_start = Event::time;
2509		3173
2510	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
		3198
2511	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2513		3201
2514	$WAIT_FOR_TICK->broadcast;	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
2516		3204	Coro::async_pool {
2517	Event::sweep;	3205	write_runtime
2518	Coro::cede_notself;	3206	or warn "ERROR: unable to write runtime file: $!";
		3207	};
2519		3208	}
		3209
2520	# my $AFTER = Event::time;	3210	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#	3211	# warn $AFTER - $NOW;#d#
2522		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
		3221
2523	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2525		3224
2526	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
		3227
		3228	$LOAD = ($NOW - $tick_start) / $TICK;
		3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3230
		3231	_post_tick;
		3232
		3233
2528	},	3234	},
2529	);	3235	);
2530		3236
2531	{	3237	{
2532	BDB::max_poll_time $TICK * 0.1;	3238	BDB::max_poll_time $TICK * 0.1;
…		…
2560		3266
2561	cf::sync_job {	3267	cf::sync_job {
2562	eval {	3268	eval {
2563	BDB::db_env_open	3269	BDB::db_env_open
2564	$DB_ENV,	3270	$DB_ENV,
2565	$BDB_ENV_DIR,	3271	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3274	0666;
2569		3275
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571		3277
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;	3279	$DB_ENV->set_lk_detect;
2574	};	3280	};
2575		3281
…		…
2583		3289
2584	undef $Coro::AIO::WATCHER;	3290	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3291	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3292	$AIO_POLL_WATCHER = Event->io (
2587	reentrant => 0,	3293	reentrant => 0,
		3294	data => WF_AUTOCANCEL,
2588	fd => IO::AIO::poll_fileno,	3295	fd => IO::AIO::poll_fileno,
2589	poll => 'r',	3296	poll => 'r',
2590	prio => 6,	3297	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,	3298	cb => \&IO::AIO::poll_cb,
2593	);	3299	);
2594	}	3300	}
2595		3301
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3302	my $_log_backtrace;
2597	reentrant => 0,	3303
2598	data => WF_AUTOCANCEL,	3304	sub _log_backtrace {
2599	after => 1,	3305	my ($msg, @addr) = @_;
2600	interval => 10,	3306
2601	prio => 6, # keep it lowest so it acts like a watchdog	3307	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3308
2603	write_runtime	3309	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3337	}
2606	);	3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
2607		3342
2608	END { cf::emergency_save }	3343	END { cf::emergency_save }
2609		3344
2610	1	3345	1
2611		3346

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