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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.311 by root, Fri Jul 20 16:11:10 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;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
27		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
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		43
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
34		46
35	$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
36		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
37	our %COMMAND = ();	51	our %COMMAND = ();
38	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
39		53
40	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
44		59
		60	our $RELOAD; # number of reloads so far
45	our @EVENT;	61	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		62
48	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(!)
49	our $TICK_WATCHER;	76	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	79	our $NEXT_TICK;
53	our $NOW;	80	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		82
56	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
62	our $RUNTIME;	89	our $RUNTIME;
63		90
64	our %PLAYER; # all users	91	our %PLAYER; # all users
65	our %MAP; # all maps	92	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		94
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		101
76	binmode STDOUT;	102	binmode STDOUT;
77	binmode STDERR;	103	binmode STDERR;
78		104
79	# read virtual server time, if available	105	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
84	}	110	}
85		111
86	mkdir cf::localdir;	112	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		114
93	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
94		116
95	sub cf::map::normalise;	117	sub cf::map::normalise;
96		118
…		…
107	=item $cf::RUNTIME	129	=item $cf::RUNTIME
108		130
109	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
110	every server tick.	132	every server tick.
111		133
112	=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
113		137
114	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		142
117	=item $cf::NOW	143	=item $cf::NOW
118		144
119	The time of the last (current) server tick.	145	The time of the last (current) server tick.
120		146
121	=item $cf::TICK	147	=item $cf::TICK
122		148
123	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.
124		160
125	=item %cf::CFG	161	=item %cf::CFG
126		162
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	164	from wherever your confdir points to.
129		165
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		167
132	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
133	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
134	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.
135	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.
136		177
137	=back	178	=back
138		179
139	=cut	180	=cut
140		181
141	BEGIN {	182	BEGIN {
142	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	184	my $msg = join "", @_;
144	utf8::encode $msg;
145		185
146	$msg .= "\n"	186	$msg .= "\n"
147	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
148		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
149	LOG llevError, $msg;	192	LOG llevError, $msg;
150	};	193	};
151	}	194	}
152		195
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		203
160	# 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
161	# within the Safe compartment.	205	# within the Safe compartment.
162	for my $pkg (qw(	206	for my $pkg (qw(
163	cf::global cf::attachable	207	cf::global cf::attachable
…		…
171	}	215	}
172		216
173	$Event::DIED = sub {	217	$Event::DIED = sub {
174	warn "error in event callback: @_";	218	warn "error in event callback: @_";
175	};	219	};
		220
		221	#############################################################################
176		222
177	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
178		224
179	=over 4	225	=over 4
180		226
…		…
199	$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;
200	$d	246	$d
201	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
202	}	248	}
203		249
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
207		251
208	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
209		253
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
218		255
219	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
220		257
221	=cut	258	=cut
222		259
223	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
225	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
227		264
228	=item cf::lock_wait $string	265	=item cf::lock_wait $string
229		266
230	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
231		268
…		…
237	returned.	274	returned.
238		275
239	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
240	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
241		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
242	=cut	283	=cut
243		284
244	our %LOCK;	285	our %LOCK;
245		286
246	sub lock_wait($) {	287	sub lock_wait($) {
…		…
265	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
267	}	308	}
268	}	309	}
269		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
270	sub freeze_mainloop {	317	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
272		319
273	my $guard = Coro::guard {	320	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	322	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
279	$guard	324	$guard
280	}	325	}
281		326
282	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
289		334
290	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
291		336
292	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
293		338
294	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
297		343
298	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
301	fast or be very important.	347	fast or be very important.
…		…
304		350
305	sub sync_job(&) {	351	sub sync_job(&) {
306	my ($job) = @_;	352	my ($job) = @_;
307		353
308	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
309	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
311		359
312	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
324		372
325	while ($busy) {	373	while ($busy) {
326	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
327	}	375	}
328		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
329	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
330	} else {	385	} else {
331	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
332		387
333	$job->()	388	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
353		408
354	$coro	409	$coro
355	}	410	}
356		411
357	sub write_runtime {	412	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		413
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
361	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.
362		418
363	my $value = $cf::RUNTIME + 90 + 10;	419	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		420
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	421	sub _store_scalar {
368	and return;	422	open my $fh, ">", \my $buf
369		423	or die "fork_call: cannot open fh-to-buf in child : $!";
370	# always fsync - this file is important	424	Storable::store_fd $_[0], $fh;
371	aio_fsync $fh
372	and return;
373
374	close $fh	425	close $fh;
375	or return;
376		426
377	aio_rename "$runtime~", $runtime	427	$buf
378	and return;	428	}
379		429
		430	sub fork_call(&@) {
		431	my ($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 $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
380	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		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 });
381	}	599	}
382		600
383	=back	601	=back
384		602
385	=cut	603	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
394		612
395	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>
396	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
397	crossfire+).	615	Crossfire TRT).
398		616
399	=over 4	617	=over 4
400		618
401	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
402		620
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
566		784
567	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		789
572	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	791	my $pkg = shift @arg;
574		792
575	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
605	}	823	}
606		824
607	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
608	} else {	826	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	828	}
611		829
612	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
613	}	831	}
614		832
…		…
616	if (ref $_[0]) {	834	if (ref $_[0]) {
617	_object_attach @_;	835	_object_attach @_;
618	} else {	836	} else {
619	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
620	}	838	}
		839	_recalc_want;
621	};	840	};
622		841
623	# all those should be optimised	842	# all those should be optimised
624	sub cf::attachable::detach {	843	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
629	reattach ($obj);	848	reattach ($obj);
630	} else {	849	} else {
631	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
632	}	851	}
		852	_recalc_want;
633	};	853	};
634		854
635	sub cf::attachable::attached {	855	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
637		857
…		…
652	";	872	";
653	die if $@;	873	die if $@;
654	}	874	}
655		875
656	our $override;	876	our $override;
657	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?
658		878
659	sub override {	879	sub override {
660	$override = 1;	880	$override = 1;
661	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
662	}	882	}
663		883
664	sub do_invoke {	884	sub do_invoke {
665	my $event = shift;	885	my $event = shift;
666	my $callbacks = shift;	886	my $callbacks = shift;
667		887
668	@invoke_results = ();	888	@INVOKE_RESULTS = ();
669		889
670	local $override;	890	local $override;
671		891
672	for (@$callbacks) {	892	for (@$callbacks) {
673	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
690		910
691	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
692		912
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		916
697	=back	917	=back
698		918
699	=cut	919	=cut
700		920
…		…
784	}	1004	}
785	} else {	1005	} else {
786	aio_unlink $filename;	1006	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1007	aio_unlink "$filename.pst";
788	}	1008	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1009	}
796	}	1010	}
797		1011
798	sub object_freezer_as_string {	1012	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1013	my ($rdata, $objs) = @_;
…		…
805		1019
806	sub object_thawer_load {	1020	sub object_thawer_load {
807	my ($filename) = @_;	1021	my ($filename) = @_;
808		1022
809	my ($data, $av);	1023	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1024
814	(aio_load $filename, $data) >= 0	1025	(aio_load $filename, $data) >= 0
815	or return;	1026	or return;
816		1027
817	unless (aio_stat "$filename.pst") {	1028	unless (aio_stat "$filename.pst") {
…		…
819	or return;	1030	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1032	}
822		1033
823	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	1036	return ($data, $av);
826	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
827		1044
828	#############################################################################	1045	#############################################################################
829	# command handling &c	1046	# command handling &c
830		1047
831	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1062	}
846		1063
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1065
849	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.
850		1071
851	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
852	called.	1073	called.
853		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
854	=cut	1086	=cut
855		1087
856	sub register_extcmd {	1088	sub register_extcmd {
857	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
858		1090
859	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
860	}	1098	}
861		1099
862	cf::player->attach (	1100	cf::player->attach (
863	on_command => sub {	1101	on_command => sub {
864	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1111	cf::override;
874	},	1112	},
875	on_extcmd => sub {	1113	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
877		1115
878	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1117
880	if (ref $msg) {	1118	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
889		1127
890	cf::override;	1128	cf::override;
891	},	1129	},
892	);	1130	);
893		1131
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
929	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1137	next unless -r $path;
931	eval {	1138
932	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;
933	1	1196	}
934	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
935	}	1202	};
936	}	1203	}
937		1204
938	#############################################################################	1205	#############################################################################
939		1206
		1207	=back
		1208
940	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
941		1210
942	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
943		1212
944	=cut	1213	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
957		1226
958	=cut	1227	=cut
959		1228
960	sub playerdir($) {	1229	sub playerdir($) {
961	cf::localdir	1230	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1232	}
967		1233
968	sub path($) {	1234	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1236
971	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
972	}	1238	}
973		1239
974	sub find_active($) {	1240	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1255	my $login = $_[0];
990		1256
991	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
992		1258
993	$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
994	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
995	or return;	1268	or return;
996	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
997	}	1270	}
998	}	1271	}
…		…
1035		1308
1036	=cut	1309	=cut
1037		1310
1038	sub quit_character {	1311	sub quit_character {
1039	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1040		1315
1041	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1042	$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
1043		1318
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1350	}
1056		1351
1057	=item cf::player::list_logins	1352	=item cf::player::list_logins
1058		1353
1059	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
1060	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1061		1356
1062	=cut	1357	=cut
1063		1358
1064	sub list_logins {	1359	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1361	or return [];
1067		1362
1068	my @logins;	1363	my @logins;
1069		1364
1070	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1105	}	1400	}
1106		1401
1107	\@paths	1402	\@paths
1108	}	1403	}
1109		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
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1111		1456
1112	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1113		1458
1114	=cut	1459	=cut
1115		1460
1116	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1117	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1118		1463
1119	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1120		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1466	}
1123		1467
1124	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		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	$match
		1507	}
1125		1508
1126	=back	1509	=back
1127
1128		1510
1129	=head3 cf::map	1511	=head3 cf::map
1130		1512
1131	=over 4	1513	=over 4
1132		1514
…		…
1187	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1188		1570
1189	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1190	local $self->{path};	1572	local $self->{path};
1191	local $self->{load_path};	1573	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1574
1195	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1196	}	1576	}
1197		1577
1198	sub normalise {	1578	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1246	return $self;	1626	return $self;
1247	}	1627	}
1248	}	1628	}
1249		1629
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1631	()
1252	}	1632	}
1253		1633
1254	sub init {	1634	sub init {
1255	my ($self) = @_;	1635	my ($self) = @_;
…		…
1270		1650
1271	# the original (read-only) location	1651	# the original (read-only) location
1272	sub load_path {	1652	sub load_path {
1273	my ($self) = @_;	1653	my ($self) = @_;
1274		1654
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1276	}	1656	}
1277		1657
1278	# the temporary/swap location	1658	# the temporary/swap location
1279	sub save_path {	1659	sub save_path {
1280	my ($self) = @_;	1660	my ($self) = @_;
1281		1661
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1284	}	1664	}
1285		1665
1286	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1287	sub uniq_path {	1667	sub uniq_path {
1288	my ($self) = @_;	1668	my ($self) = @_;
1289		1669
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1292	}	1672	}
1293		1673
1294	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1295	# all maps in C++...	1675	# all maps in C++...
1296	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1298		1678
1299	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1301	}	1681	}
1302		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
1303	sub unlink_save {	1691	sub unlink_save {
1304	my ($self) = @_;	1692	my ($self) = @_;
1305		1693
1306	utf8::encode (my $save = $self->save_path);	1694	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1696	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1697	}
1315		1698
1316	sub load_header_from($) {	1699	sub load_header_from($) {
1317	my ($self, $path) = @_;	1700	my ($self, $path) = @_;
1318		1701
…		…
1368	$self->load_header_orig	1751	$self->load_header_orig
1369	or return;	1752	or return;
1370	$self->prepare_orig;	1753	$self->prepare_orig;
1371	}	1754	}
1372		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
1373	1	1762	1
1374	}	1763	}
1375		1764
1376	sub find;	1765	sub find;
1377	sub find {	1766	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1390		1779
1391	$map->load_header	1780	$map->load_header
1392	or return;	1781	or return;
1393		1782
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1786	$map->reset;
1398	undef $guard;	1787	undef $guard;
1399	return find $path;	1788	return find $path;
…		…
1410	my ($self) = @_;	1799	my ($self) = @_;
1411		1800
1412	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1413		1802
1414	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1416		1807
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1809
1419	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1420		1811
1421	$self->alloc;	1812	$self->alloc;
1422		1813
1423	$self->pre_load;	1814	$self->pre_load;
1424
1425	$self->_load_objects ($self->{load_path}, 1)
1426	or return;
1427
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};
1430
1431	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {
1434	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);
1436	}
1437	}
1438
1439	Coro::cede;
1440
1441	# now do the right thing for maps
1442	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;	1815	Coro::cede;
1449	$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;
1450	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1835	unless $self->difficulty;
1452	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($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;
1453	$self->activate;	1845	$self->activate;
		1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1849	}
1455		1850
1456	$self->post_load;	1851	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1852	}
1460		1853
1461	sub customise_for {	1854	sub customise_for {
1462	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1463		1856
1464	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1466		1862
1467	$self	1863	$self
1468	}	1864	}
1469		1865
1470	# 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
…		…
1517		1913
1518	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1519	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1522	my $map = find $path	1918	if (my $map = find $path) {
1523	or next;
1524	$map->load;	1919	$map->load;
		1920	}
1525		1921
1526	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1527	}	1923	}
1528	}	1924	}
1529	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1581		1977
1582	sub reset_at {	1978	sub reset_at {
1583	my ($self) = @_;	1979	my ($self) = @_;
1584		1980
1585	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1588		1983
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		1986
…		…
1602	my ($self) = @_;	1997	my ($self) = @_;
1603		1998
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2000
1606	return if $self->players;	2001	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2002
1609	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	}
1610		2014
1611	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
1612		2016
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2017	$self->clear;
1615		2018
1616	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1617		2020
1618	$self->unlink_save;	2021	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1638		2041
1639	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1640	}	2043	}
1641		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
1642	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1643		2082
1644	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2084	instantiated unique items. May block.
1646		2085
1647	=cut	2086	=cut
1648		2087
1649	sub unique_maps() {	2088	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1651	or return;	2090	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2091	utf8::decode $_;
1657	next if /\.pst$/;	2092	/\.map$/
1658	next unless /^$PATH_SEP/o;	2093	? normalise $_
1659		2094	: ()
1660	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2096	]
1662
1663	\@paths
1664	}	2097	}
1665		2098
1666	package cf;	2099	package cf;
1667		2100
1668	=back	2101	=back
…		…
1714		2147
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2149
1717	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1722	}	2169	}
1723	}	2170	}
1724		2171
1725	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1726		2173
…		…
1774	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1775		2222
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2224
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1780		2227
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2229	}
1783		2230
1784	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1786		2235
1787	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1788		2237
1789	unless ($map) {	2238	unless ($map) {
1790	# restore original map position	2239	# restore original map position
…		…
1808	$map->load;	2257	$map->load;
1809	$map->load_diag;	2258	$map->load_diag;
1810		2259
1811	return unless $self->contr->active;	2260	return unless $self->contr->active;
1812	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1814	}	2265	}
1815		2266
1816	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2268
1820	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1824	};	2273	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2274
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1851		2278
1852	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1853	my ($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;
1854		2284
1855	$self->enter_link;	2285	$self->enter_link;
1856		2286
1857	(async {	2287	(async {
1858	my $map = eval {	2288	my $map = eval {
1859	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2304	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1866	})->prio (1);	2312	})->prio (1);
1867	}	2313	}
1868		2314
1869	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1870		2316
…		…
1909		2355
1910	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1911		2357
1912	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2360	my $meta = "$RANDOMDIR/$md5.meta";
1915		2361
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2364	undef $fh;
1919	aio_rename "$meta~", $meta;	2365	aio_rename "$meta~", $meta;
…		…
1928		2374
1929	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1930		2376
1931	if ($exit->slaying eq "/!") {	2377	if ($exit->slaying eq "/!") {
1932	#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
1933	cf::sync_job { prepare_random_map $exit };	2381	cf::sync_job { prepare_random_map $exit };
1934	}	2382	}
1935		2383
1936	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;
1937	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
1939		2387
1940	$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);
1941		2393
1942	(async {	2394	(async {
1943	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2396	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
1946		2398
1947	1;	2399	1;
1948	}) {	2400	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2405
1954	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2407	$self->leave_link;
1956	}	2408	}
1957	})->prio (1);	2409	})->prio (1);
…		…
1970		2422
1971	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1973		2425
1974	utf8::encode $text;	2426	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2428	}
1977		2429
		2430	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$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, $channel, $msg, $color, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	$color &= ~cf::NDI_UNIQUE; # just in case...
		2447
		2448	if (ref $channel) {
		2449	# send meta info to client, if not yet sent
		2450	unless (exists $self->{channel}{$channel->{id}}) {
		2451	$self->{channel}{$channel->{id}} = $channel;
		2452	$self->ext_event (channel_info => %$channel);
		2453	}
		2454
		2455	$channel = $channel->{id};
		2456	}
		2457
		2458	if ($self->can_msg) {
		2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2460	} else {
		2461	# replace some tags by gcfclient-compatible ones
		2462	for ($msg) {
		2463	1 while
		2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2469	}
		2470
		2471	if ($color >= 0) {
		2472	if (0 && $msg =~ /\[/) {
		2473	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2474	} else {
		2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2476	$self->send_packet ("drawinfo $color $msg")
		2477	}
		2478	}
		2479	}
		2480	}
		2481
		2482	=item $client->ext_event ($type, %msg)
		2483
		2484	Sends an ext event to the client.
		2485
		2486	=cut
		2487
		2488	sub cf::client::ext_event($$%) {
		2489	my ($self, $type, %msg) = @_;
		2490
		2491	return unless $self->extcmd;
		2492
		2493	$msg{msgtype} = "event_$type";
		2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2495	}
1978		2496
1979	=item $success = $client->query ($flags, "text", \&cb)	2497	=item $success = $client->query ($flags, "text", \&cb)
1980		2498
1981	Queues a query to the client, calling the given callback with	2499	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2500	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2501	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2502
1985	Queries can fail, so check the return code. Or don't, as queries will become	2503	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2504	become reliable at some point in the future.
1987		2505
1988	=cut	2506	=cut
1989		2507
1990	sub cf::client::query {	2508	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2509	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2517	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2518	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2519
2002	$self->send_packet ($self->{query_queue}[0][0])	2520	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2521	if @{ $self->{query_queue} } == 1;
		2522
		2523	1
2004	}	2524	}
2005		2525
2006	cf::client->attach (	2526	cf::client->attach (
		2527	on_connect => sub {
		2528	my ($ns) = @_;
		2529
		2530	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2531	},
2007	on_reply => sub {	2532	on_reply => sub {
2008	my ($ns, $msg) = @_;	2533	my ($ns, $msg) = @_;
2009		2534
2010	# this weird shuffling is so that direct followup queries	2535	# this weird shuffling is so that direct followup queries
2011	# get handled first	2536	# get handled first
…		…
2023	} else {	2548	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2549	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2550	}
2026	}	2551	}
2027	},	2552	},
		2553	on_exticmd => sub {
		2554	my ($ns, $buf) = @_;
		2555
		2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2557
		2558	if (ref $msg) {
		2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2560	if (my %reply = $cb->($ns, $msg)) {
		2561	$reply{msgid} = $msg->{msgid};
		2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2563	}
		2564	}
		2565	} else {
		2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2567	}
		2568
		2569	cf::override;
		2570	},
2028	);	2571	);
2029		2572
2030	=item $client->async (\&cb)	2573	=item $client->async (\&cb)
2031		2574
2032	Create a new coroutine, running the specified callback. The coroutine will	2575	Create a new coroutine, running the specified callback. The coroutine will
…		…
2079		2622
2080	# here we export the classes and methods available to script code	2623	# here we export the classes and methods available to script code
2081		2624
2082	=pod	2625	=pod
2083		2626
2084	The following fucntions and emthods are available within a safe environment:	2627	The following functions and methods are available within a safe environment:
2085		2628
2086	cf::object contr pay_amount pay_player map	2629	cf::object
		2630	contr pay_amount pay_player map x y force_find force_add
		2631	insert remove
		2632
2087	cf::object::player player	2633	cf::object::player
2088	cf::player peaceful	2634	player
2089	cf::map trigger	2635
		2636	cf::player
		2637	peaceful
		2638
		2639	cf::map
		2640	trigger
2090		2641
2091	=cut	2642	=cut
2092		2643
2093	for (	2644	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2646	insert remove)],
2095	["cf::object::player" => qw(player)],	2647	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2648	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2649	["cf::map" => qw(trigger)],
2098	) {	2650	) {
2099	no strict 'refs';	2651	no strict 'refs';
…		…
2170	=back	2722	=back
2171		2723
2172	=cut	2724	=cut
2173		2725
2174	#############################################################################	2726	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2727	# the server's init and main functions
2284		2728
2285	sub load_resources {	2729	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2730	my ($path) = @_;
		2731
		2732	warn "loading facedata from $path\n";
		2733
		2734	my $facedata;
		2735	0 < aio_load $path, $facedata
		2736	or die "$path: $!";
		2737
		2738	$facedata = Coro::Storable::thaw $facedata;
		2739
		2740	$facedata->{version} == 2
		2741	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2742
		2743	{
		2744	my $faces = $facedata->{faceinfo};
		2745
		2746	while (my ($face, $info) = each %$faces) {
		2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2748	cf::face::set_visibility $idx, $info->{visibility};
		2749	cf::face::set_magicmap $idx, $info->{magicmap};
		2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2752
		2753	cf::cede_to_tick;
		2754	}
		2755
		2756	while (my ($face, $info) = each %$faces) {
		2757	next unless $info->{smooth};
		2758	my $idx = cf::face::find $face
		2759	or next;
		2760	if (my $smooth = cf::face::find $info->{smooth}) {
		2761	cf::face::set_smooth $idx, $smooth;
		2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2763	} else {
		2764	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2765	}
		2766
		2767	cf::cede_to_tick;
		2768	}
		2769	}
		2770
		2771	{
		2772	my $anims = $facedata->{animinfo};
		2773
		2774	while (my ($anim, $info) = each %$anims) {
		2775	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2776	cf::cede_to_tick;
		2777	}
		2778
		2779	cf::anim::invalidate_all; # d'oh
		2780	}
		2781
		2782	{
		2783	# TODO: for gcfclient pleasure, we should give resources
		2784	# that gcfclient doesn't grok a >10000 face index.
		2785	my $res = $facedata->{resource};
		2786	my $enc = JSON::XS->new->utf8->canonical;
		2787
		2788	while (my ($name, $info) = each %$res) {
		2789	my $meta = $enc->encode ({
		2790	name => $name,
		2791	type => $info->{type},
		2792	copyright => $info->{copyright}, #TODO#
		2793	});
		2794
		2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2796
		2797	if ($name =~ /\.jpg$/) {
		2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2800	} else {
		2801	my $data = pack "(w/a*)*", $meta, $info->{data};
		2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2803
		2804	cf::face::set_type $idx, 1;
		2805	cf::face::set_data $idx, 0, $data, $chk;
		2806	}
		2807
		2808	cf::cede_to_tick;
		2809	}
		2810	}
		2811
		2812	1
		2813	}
		2814
		2815	sub reload_regions {
		2816	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2817	or die "unable to load regions file\n";
		2818
		2819	for (cf::region::list) {
		2820	$_->{match} = qr/$_->{match}/
		2821	if exists $_->{match};
		2822	}
		2823	}
		2824
		2825	sub reload_facedata {
		2826	load_facedata "$DATADIR/facedata"
		2827	or die "unable to load facedata\n";
		2828	}
		2829
		2830	sub reload_archetypes {
		2831	load_resource_file "$DATADIR/archetypes"
		2832	or die "unable to load archetypes\n";
		2833	#d# NEED to laod twice to resolve forward references
		2834	# this really needs to be done in an extra post-pass
		2835	# (which needs to be synchronous, so solve it differently)
		2836	load_resource_file "$DATADIR/archetypes"
		2837	or die "unable to load archetypes\n";
		2838	}
		2839
		2840	sub reload_treasures {
		2841	load_resource_file "$DATADIR/treasures"
		2842	or die "unable to load treasurelists\n";
		2843	}
		2844
		2845	sub reload_resources {
		2846	warn "reloading resource files...\n";
		2847
		2848	reload_regions;
		2849	reload_facedata;
		2850	#reload_archetypes;#d#
		2851	reload_archetypes;
		2852	reload_treasures;
		2853
		2854	warn "finished reloading resource files\n";
		2855	}
		2856
		2857	sub init {
		2858	reload_resources;
2288	}	2859	}
2289		2860
2290	sub cfg_load {	2861	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2862	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2863	or return;
2293		2864
2294	local $/;	2865	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2866	*CFG = YAML::Syck::Load <$fh>;
2296		2867
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2875	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	2876	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	2877	};
2307	warn $@ if $@;	2878	warn $@ if $@;
2308	}	2879	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	2880	}
2314		2881
2315	sub main {	2882	sub main {
2316	# we must not ever block the main coroutine	2883	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	2884	local $Coro::idle = sub {
…		…
2320	Event::one_event;	2887	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	2888	})->prio (Coro::PRIO_MAX);
2322	};	2889	};
2323		2890
2324	cfg_load;	2891	cfg_load;
2325	db_load;	2892	db_init;
2326	load_extensions;	2893	load_extensions;
2327		2894
2328	$TICK_WATCHER->start;	2895	$TICK_WATCHER->start;
2329	Event::loop;	2896	Event::loop;
2330	}	2897	}
…		…
2345	},	2912	},
2346	);	2913	);
2347	}	2914	}
2348	}	2915	}
2349		2916
		2917	sub write_runtime {
		2918	my $runtime = "$LOCALDIR/runtime";
		2919
		2920	# first touch the runtime file to show we are still running:
		2921	# the fsync below can take a very very long time.
		2922
		2923	IO::AIO::aio_utime $runtime, undef, undef;
		2924
		2925	my $guard = cf::lock_acquire "write_runtime";
		2926
		2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2928	or return;
		2929
		2930	my $value = $cf::RUNTIME + 90 + 10;
		2931	# 10 is the runtime save interval, for a monotonic clock
		2932	# 60 allows for the watchdog to kill the server.
		2933
		2934	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2935	and return;
		2936
		2937	# always fsync - this file is important
		2938	aio_fsync $fh
		2939	and return;
		2940
		2941	# touch it again to show we are up-to-date
		2942	aio_utime $fh, undef, undef;
		2943
		2944	close $fh
		2945	or return;
		2946
		2947	aio_rename "$runtime~", $runtime
		2948	and return;
		2949
		2950	warn "runtime file written.\n";
		2951
		2952	1
		2953	}
		2954
2350	sub emergency_save() {	2955	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	2956	my $freeze_guard = cf::freeze_mainloop;
2352		2957
2353	warn "enter emergency perl save\n";	2958	warn "enter emergency perl save\n";
2354		2959
…		…
2369	my $map = $cf::MAP{$path} or next;	2974	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	2975	$map->valid or next;
2371	$map->save;	2976	$map->save;
2372	}	2977	}
2373	warn "end emergency map save\n";	2978	warn "end emergency map save\n";
		2979
		2980	warn "begin emergency database checkpoint\n";
		2981	BDB::db_env_txn_checkpoint $DB_ENV;
		2982	warn "end emergency database checkpoint\n";
2374	};	2983	};
2375		2984
2376	warn "leave emergency perl save\n";	2985	warn "leave emergency perl save\n";
2377	}	2986	}
2378		2987
		2988	sub post_cleanup {
		2989	my ($make_core) = @_;
		2990
		2991	warn Carp::longmess "post_cleanup backtrace"
		2992	if $make_core;
		2993	}
		2994
2379	sub reload() {	2995	sub do_reload_perl() {
2380	# can/must only be called in main	2996	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	2997	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	2998	warn "can only reload from main coroutine";
2383	return;	2999	return;
2384	}	3000	}
2385		3001
2386	warn "reloading...";	3002	warn "reloading...";
2387		3003
2388	warn "cancelling server ticker";	3004	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3005
		3006	cf::sync_job {
		3007	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3008	cf::emergency_save;
		3009	cf::write_runtime; # external watchdog should not bark
2392		3010
2393	eval {	3011	warn "syncing database to disk";
		3012	BDB::db_env_txn_checkpoint $DB_ENV;
		3013
2394	# if anything goes wrong in here, we should simply crash as we already saved	3014	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3015
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3016	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3017	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3018	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3019	}
2403		3020
2404	warn "flushing outstanding aio requests";	3021	warn "flushing outstanding aio requests";
2405	for (;;) {	3022	for (;;) {
		3023	BDB::flush;
2406	IO::AIO::flush;	3024	IO::AIO::flush;
2407	Coro::cede;	3025	Coro::cede;
2408	last unless IO::AIO::nreqs;	3026	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3027	warn "iterate...";
2410	}	3028	}
		3029
		3030	++$RELOAD;
2411		3031
2412	warn "cancelling all extension coros";	3032	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3033	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3034	%EXT_CORO = ();
2415		3035
2416	warn "removing commands";	3036	warn "removing commands";
2417	%COMMAND = ();	3037	%COMMAND = ();
2418		3038
2419	warn "removing ext commands";	3039	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3040	%EXTCMD = ();
		3041	%EXTICMD = ();
2421		3042
2422	warn "unloading/nuking all extensions";	3043	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3044	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3045	warn "... unloading $pkg";
2425		3046
…		…
2455	Symbol::delete_package "safe::$_"	3076	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3077	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3078
2458	warn "unloading cf.pm \"a bit\"";	3079	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3080	delete $INC{"cf.pm"};
		3081	delete $INC{"cf/pod.pm"};
2460		3082
2461	# don't, removes xs symbols, too,	3083	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3084	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3085	#Symbol::delete_package __PACKAGE__;
2464		3086
…		…
2468	require cf;	3090	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3092
2471	warn "loading config and database again";	3093	warn "loading config and database again";
2472	cf::cfg_load;	3094	cf::cfg_load;
2473	cf::db_load;
2474		3095
2475	warn "loading extensions";	3096	warn "loading extensions";
2476	cf::load_extensions;	3097	cf::load_extensions;
2477		3098
2478	warn "reattaching attachments to objects/players";	3099	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3100	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3101	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3102	reattach $_ for values %MAP;
		3103	warn "reattaching attachments to players";
		3104	reattach $_ for values %PLAYER;
2482		3105
2483	warn "loading reloadable resources";	3106	warn "leaving sync_job";
2484	load_resources;
2485		3107
2486	warn "restarting server ticker";	3108	1
2487		3109	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3110	warn $@;
2493	warn "error while reloading, exiting.";	3111	warn "error while reloading, exiting.";
2494	exit 1;	3112	exit 1;
2495	}	3113	};
2496		3114
2497	warn "reloaded";	3115	warn "reloaded";
2498	};	3116	};
2499		3117
2500	our $RELOAD_WATCHER; # used only during reload	3118	our $RELOAD_WATCHER; # used only during reload
2501		3119
		3120	sub reload_perl() {
		3121	# doing reload synchronously and two reloads happen back-to-back,
		3122	# coro crashes during coro_state_free->destroy here.
		3123
		3124	$RELOAD_WATCHER ||= Event->timer (
		3125	reentrant => 0,
		3126	after => 0,
		3127	data => WF_AUTOCANCEL,
		3128	cb => sub {
		3129	do_reload_perl;
		3130	undef $RELOAD_WATCHER;
		3131	},
		3132	);
		3133	}
		3134
2502	register_command "reload" => sub {	3135	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3136	my ($who, $arg) = @_;
2504		3137
2505	if ($who->flag (FLAG_WIZ)) {	3138	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3139	$who->message ("reloading server.");
2507		3140	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3141	}
2521	};	3142	};
2522		3143
2523	unshift @INC, $LIBDIR;	3144	unshift @INC, $LIBDIR;
2524		3145
2525	my $bug_warning = 0;	3146	my $bug_warning = 0;
2526		3147
		3148	our @WAIT_FOR_TICK;
		3149	our @WAIT_FOR_TICK_BEGIN;
		3150
		3151	sub wait_for_tick {
		3152	return unless $TICK_WATCHER->is_active;
		3153	return if $Coro::current == $Coro::main;
		3154
		3155	my $signal = new Coro::Signal;
		3156	push @WAIT_FOR_TICK, $signal;
		3157	$signal->wait;
		3158	}
		3159
		3160	sub wait_for_tick_begin {
		3161	return unless $TICK_WATCHER->is_active;
		3162	return if $Coro::current == $Coro::main;
		3163
		3164	my $signal = new Coro::Signal;
		3165	push @WAIT_FOR_TICK_BEGIN, $signal;
		3166	$signal->wait;
		3167	}
		3168
		3169	my $min = 1e6;#d#
		3170	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3171	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3172	reentrant => 0,
2529	parked => 1,	3173	parked => 1,
2530	prio => 0,	3174	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3175	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3180	unless ++$bug_warning > 10;
2537	return;	3181	return;
2538	}	3182	}
2539		3183
2540	$NOW = Event::time;	3184	$NOW = $tick_start = Event::time;
2541		3185
2542	cf::server_tick; # one server iteration	3186	cf::server_tick; # one server iteration
		3187
		3188	0 && sync_job {#d#
		3189	for(1..10) {
		3190	my $t = Event::time;
		3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3192	or die;
		3193
		3194	$map->width (50);
		3195	$map->height (50);
		3196	$map->alloc;
		3197	$map->_load_objects ("/tmp/x.map", 1);
		3198	my $t = Event::time - $t;
		3199
		3200	#next unless $t < 0.0013;#d#
		3201	if ($t < $min) {
		3202	$min = $t;
		3203	}
		3204	$avg = $avg * 0.99 + $t * 0.01;
		3205	}
		3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3207	exit 0;
		3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3209	};
		3210
2543	$RUNTIME += $TICK;	3211	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3212	$NEXT_TICK += $TICK;
2545		3213
2546	$WAIT_FOR_TICK->broadcast;	3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3216	Coro::async_pool {
2549	Event::sweep;	3217	write_runtime
2550	Coro::cede_notself;	3218	or warn "ERROR: unable to write runtime file: $!";
		3219	};
2551		3220	}
		3221
2552	# my $AFTER = Event::time;	3222	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3223	# warn $AFTER - $NOW;#d#
2554		3224
		3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3226	$sig->send;
		3227	}
		3228	while (my $sig = shift @WAIT_FOR_TICK) {
		3229	$sig->send;
		3230	}
		3231
		3232	$NOW = Event::time;
		3233
2555	# if we are delayed by four ticks or more, skip them all	3234	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3236
2558	$TICK_WATCHER->at ($NEXT_TICK);	3237	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3238	$TICK_WATCHER->start;
		3239
		3240	$LOAD = ($NOW - $tick_start) / $TICK;
		3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3242
		3243	_post_tick;
		3244
		3245
2560	},	3246	},
2561	);	3247	);
2562		3248
2563	{	3249	{
2564	BDB::max_poll_time $TICK * 0.1;	3250	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3275
2590	unless ($DB_ENV) {	3276	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3277	$DB_ENV = BDB::db_env_create;
2592		3278
2593	cf::sync_job {	3279	cf::sync_job {
		3280	eval {
2594	BDB::db_env_open	3281	BDB::db_env_open
2595	$DB_ENV,	3282	$DB_ENV,
2596	$BDB_ENV_DIR,	3283	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3286	0666;
2600		3287
2601	cf::cleanup "$!" if $!;	3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3289
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3291	$DB_ENV->set_lk_detect;
		3292	};
		3293
		3294	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3295	};
2605	}	3296	}
2606	}	3297	}
2607		3298
2608	{	3299	{
…		…
2610		3301
2611	undef $Coro::AIO::WATCHER;	3302	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3303	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3304	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,	3305	reentrant => 0,
		3306	data => WF_AUTOCANCEL,
2615	fd => IO::AIO::poll_fileno,	3307	fd => IO::AIO::poll_fileno,
2616	poll => 'r',	3308	poll => 'r',
2617	prio => 6,	3309	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,	3310	cb => \&IO::AIO::poll_cb,
2620	);	3311	);
2621	}	3312	}
2622		3313
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3314	my $_log_backtrace;
2624	reentrant => 0,	3315
2625	data => WF_AUTOCANCEL,	3316	sub _log_backtrace {
2626	after => 1,	3317	my ($msg, @addr) = @_;
2627	interval => 10,	3318
2628	prio => 6, # keep it lowest so it acts like a watchdog	3319	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3320
2630	write_runtime	3321	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3322	if ($_log_backtrace < 2) {
		3323	++$_log_backtrace;
		3324	async {
		3325	my @bt = fork_call {
		3326	@addr = map { sprintf "%x", $_ } @addr;
		3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3329	or die "addr2line: $!";
		3330
		3331	my @funcs;
		3332	my @res = <$fh>;
		3333	chomp for @res;
		3334	while (@res) {
		3335	my ($func, $line) = splice @res, 0, 2, ();
		3336	push @funcs, "[$func] $line";
		3337	}
		3338
		3339	@funcs
		3340	};
		3341
		3342	LOG llevInfo, "[ABT] $msg\n";
		3343	LOG llevInfo, "[ABT] $_\n" for @bt;
		3344	--$_log_backtrace;
		3345	};
		3346	} else {
		3347	LOG llevInfo, "[ABT] $msg\n";
		3348	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3349	}
2633	);	3350	}
		3351
		3352	# load additional modules
		3353	use cf::pod;
2634		3354
2635	END { cf::emergency_save }	3355	END { cf::emergency_save }
2636		3356
2637	1	3357	1
2638		3358

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