ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.312 by root, Sat Jul 21 18:01:26 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		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
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$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
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	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(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
87		116
88	sub cf::map::normalise;	117	sub cf::map::normalise;
89		118
…		…
100	=item $cf::RUNTIME	129	=item $cf::RUNTIME
101		130
102	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
103	every server tick.	132	every server tick.
104		133
105	=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
106		137
107	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		142
110	=item $cf::NOW	143	=item $cf::NOW
111		144
112	The time of the last (current) server tick.	145	The time of the last (current) server tick.
113		146
114	=item $cf::TICK	147	=item $cf::TICK
115		148
116	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.
117		160
118	=item %cf::CFG	161	=item %cf::CFG
119		162
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	164	from wherever your confdir points to.
122		165
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		167
125	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
126	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
127	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.
128	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.
129		177
130	=back	178	=back
131		179
132	=cut	180	=cut
133		181
134	BEGIN {	182	BEGIN {
135	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	184	my $msg = join "", @_;
137	utf8::encode $msg;
138		185
139	$msg .= "\n"	186	$msg .= "\n"
140	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
141		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
142	LOG llevError, $msg;	192	LOG llevError, $msg;
143	};	193	};
144	}	194	}
145		195
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		203
153	# 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
154	# within the Safe compartment.	205	# within the Safe compartment.
155	for my $pkg (qw(	206	for my $pkg (qw(
156	cf::global cf::attachable	207	cf::global cf::attachable
…		…
164	}	215	}
165		216
166	$Event::DIED = sub {	217	$Event::DIED = sub {
167	warn "error in event callback: @_";	218	warn "error in event callback: @_";
168	};	219	};
		220
		221	#############################################################################
169		222
170	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
171		224
172	=over 4	225	=over 4
173		226
…		…
192	$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;
193	$d	246	$d
194	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
195	}	248	}
196		249
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
200		251
201	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
202		253
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
211		255
212	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
213		257
214	=cut	258	=cut
215		259
216	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
218	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
220		264
221	=item cf::lock_wait $string	265	=item cf::lock_wait $string
222		266
223	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
224		268
…		…
230	returned.	274	returned.
231		275
232	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
233	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
234		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
235	=cut	283	=cut
236		284
237	our %LOCK;	285	our %LOCK;
238		286
239	sub lock_wait($) {	287	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
260	}	308	}
261	}	309	}
262		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
263	sub freeze_mainloop {	317	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
265		319
266	my $guard = Coro::guard {	320	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	322	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
272	$guard	324	$guard
273	}	325	}
274		326
275	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
282		334
283	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
284		336
285	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
286		338
287	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
290		343
291	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
294	fast or be very important.	347	fast or be very important.
…		…
297		350
298	sub sync_job(&) {	351	sub sync_job(&) {
299	my ($job) = @_;	352	my ($job) = @_;
300		353
301	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
302	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
304		359
305	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
317		372
318	while ($busy) {	373	while ($busy) {
319	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
320	}	375	}
321		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
322	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
323	} else {	385	} else {
324	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
325		387
326	$job->()	388	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
346		408
347	$coro	409	$coro
348	}	410	}
349		411
350	sub write_runtime {	412	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		413
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
354	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.
355		418
356	my $value = $cf::RUNTIME + 90 + 10;	419	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		420
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	421	sub _store_scalar {
361	and return;	422	open my $fh, ">", \my $buf
362		423	or die "fork_call: cannot open fh-to-buf in child : $!";
363	aio_fsync $fh	424	Storable::store_fd $_[0], $fh;
364	and return;
365
366	close $fh	425	close $fh;
367	or return;
368		426
369	aio_rename "$runtime~", $runtime	427	$buf
370	and return;	428	}
371		429
		430	sub fork_call(&@) {
		431	my ($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 $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
372	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		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 });
373	}	599	}
374		600
375	=back	601	=back
376		602
377	=cut	603	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
386		612
387	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>
388	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
389	crossfire+).	615	Crossfire TRT).
390		616
391	=over 4	617	=over 4
392		618
393	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
394		620
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
558		784
559	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		789
564	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	791	my $pkg = shift @arg;
566		792
567	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
597	}	823	}
598		824
599	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
600	} else {	826	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	828	}
603		829
604	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
605	}	831	}
606		832
…		…
608	if (ref $_[0]) {	834	if (ref $_[0]) {
609	_object_attach @_;	835	_object_attach @_;
610	} else {	836	} else {
611	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
612	}	838	}
		839	_recalc_want;
613	};	840	};
614		841
615	# all those should be optimised	842	# all those should be optimised
616	sub cf::attachable::detach {	843	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
621	reattach ($obj);	848	reattach ($obj);
622	} else {	849	} else {
623	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
624	}	851	}
		852	_recalc_want;
625	};	853	};
626		854
627	sub cf::attachable::attached {	855	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
629		857
…		…
644	";	872	";
645	die if $@;	873	die if $@;
646	}	874	}
647		875
648	our $override;	876	our $override;
649	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?
650		878
651	sub override {	879	sub override {
652	$override = 1;	880	$override = 1;
653	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
654	}	882	}
655		883
656	sub do_invoke {	884	sub do_invoke {
657	my $event = shift;	885	my $event = shift;
658	my $callbacks = shift;	886	my $callbacks = shift;
659		887
660	@invoke_results = ();	888	@INVOKE_RESULTS = ();
661		889
662	local $override;	890	local $override;
663		891
664	for (@$callbacks) {	892	for (@$callbacks) {
665	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
682		910
683	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
684		912
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		916
689	=back	917	=back
690		918
691	=cut	919	=cut
692		920
693	#############################################################################	921	#############################################################################
694	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
695		934
696	sub reattach {	935	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	937	my ($obj) = @_;
699		938
…		…
752	$filename, length $$rdata, scalar @$objs;	991	$filename, length $$rdata, scalar @$objs;
753		992
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	994	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	996	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	997	close $fh;
759		998
760	if (@$objs) {	999	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1001	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1002	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1003	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1004	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1005	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1006	aio_rename "$filename.pst~", "$filename.pst";
768	}	1007	}
769	} else {	1008	} else {
770	aio_unlink "$filename.pst";	1009	aio_unlink "$filename.pst";
…		…
776	}	1015	}
777	} else {	1016	} else {
778	aio_unlink $filename;	1017	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1018	aio_unlink "$filename.pst";
780	}	1019	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1020	}
788	}	1021	}
789		1022
790	sub object_freezer_as_string {	1023	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1024	my ($rdata, $objs) = @_;
…		…
797		1030
798	sub object_thawer_load {	1031	sub object_thawer_load {
799	my ($filename) = @_;	1032	my ($filename) = @_;
800		1033
801	my ($data, $av);	1034	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1035
806	(aio_load $filename, $data) >= 0	1036	(aio_load $filename, $data) >= 0
807	or return;	1037	or return;
808		1038
809	unless (aio_stat "$filename.pst") {	1039	unless (aio_stat "$filename.pst") {
…		…
811	or return;	1041	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1043	}
814		1044
815	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1047	return ($data, $av);
818	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
819		1055
820	#############################################################################	1056	#############################################################################
821	# command handling &c	1057	# command handling &c
822		1058
823	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1073	}
838		1074
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1076
841	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
842		1082
843	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
844	called.	1084	called.
845		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
846	=cut	1097	=cut
847		1098
848	sub register_extcmd {	1099	sub register_extcmd {
849	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
850		1101
851	$EXTCMD{$name} = $cb;	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
852	}	1109	}
853		1110
854	cf::player->attach (	1111	cf::player->attach (
855	on_command => sub {	1112	on_command => sub {
856	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1122	cf::override;
866	},	1123	},
867	on_extcmd => sub {	1124	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
869		1126
870	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1128
872	if (ref $msg) {	1129	if (ref $msg) {
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
874	if (my %reply = $cb->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
875	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
881		1138
882	cf::override;	1139	cf::override;
883	},	1140	},
884	);	1141	);
885		1142
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
921	for my $ext (<$LIBDIR/*.ext>) {	1147	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1148	next unless -r $path;
923	eval {	1149
924	load_extension $ext;	1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
925	1	1207	}
926	} or warn "$ext not loaded: $@";	1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
927	}	1213	};
928	}	1214	}
929		1215
930	#############################################################################	1216	#############################################################################
931		1217
		1218	=back
		1219
932	=head2 CORE EXTENSIONS	1220	=head2 CORE EXTENSIONS
933		1221
934	Functions and methods that extend core crossfire objects.	1222	Functions and methods that extend core crossfire objects.
935		1223
936	=cut	1224	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1236	Returns the given player object, loading it if necessary (might block).
949		1237
950	=cut	1238	=cut
951		1239
952	sub playerdir($) {	1240	sub playerdir($) {
953	cf::localdir	1241	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1242	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1243	}
959		1244
960	sub path($) {	1245	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1246	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1247
963	(playerdir $login) . "/$login.pl"	1248	(playerdir $login) . "/playerdata"
964	}	1249	}
965		1250
966	sub find_active($) {	1251	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1252	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1253	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1266	my $login = $_[0];
982		1267
983	my $guard = cf::lock_acquire "user_find:$login";	1268	my $guard = cf::lock_acquire "user_find:$login";
984		1269
985	$cf::PLAYER{$_[0]} || do {	1270	$cf::PLAYER{$_[0]} || do {
		1271	# rename old playerfiles to new ones
		1272	#TODO: remove when no longer required
		1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1276	aio_unlink +(playerdir $login) . "/$login.pl";
		1277
986	my $pl = load_pl path $login	1278	my $pl = load_pl path $login
987	or return;	1279	or return;
988	$cf::PLAYER{$login} = $pl	1280	$cf::PLAYER{$login} = $pl
989	}	1281	}
990	}	1282	}
…		…
1027		1319
1028	=cut	1320	=cut
1029		1321
1030	sub quit_character {	1322	sub quit_character {
1031	my ($pl) = @_;	1323	my ($pl) = @_;
		1324
		1325	my $name = $pl->ob->name;
1032		1326
1033	$pl->{deny_save} = 1;	1327	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1328	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1329
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1335	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1336	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1337	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1338	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1339	$pl->destroy;
		1340
		1341	my $prefix = qr<^~\Q$name\E/>;
		1342
		1343	# nuke player maps
		1344	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1345
1046	IO::AIO::aio_rmtree $temp;	1346	IO::AIO::aio_rmtree $temp;
		1347	}
		1348
		1349	=item $pl->kick
		1350
		1351	Kicks a player out of the game. This destroys the connection.
		1352
		1353	=cut
		1354
		1355	sub kick {
		1356	my ($pl, $kicker) = @_;
		1357
		1358	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1359	$pl->killer ("kicked");
		1360	$pl->ns->destroy;
1047	}	1361	}
1048		1362
1049	=item cf::player::list_logins	1363	=item cf::player::list_logins
1050		1364
1051	Returns am arrayref of all valid playernames in the system, can take a	1365	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1366	while and may block, so not sync_job-capable, ever.
1053		1367
1054	=cut	1368	=cut
1055		1369
1056	sub list_logins {	1370	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1371	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1372	or return [];
1059		1373
1060	my @logins;	1374	my @logins;
1061		1375
1062	for my $login (@$dirs) {	1376	for my $login (@$dirs) {
…		…
1079	=cut	1393	=cut
1080		1394
1081	sub maps($) {	1395	sub maps($) {
1082	my ($pl) = @_;	1396	my ($pl) = @_;
1083		1397
		1398	$pl = ref $pl ? $pl->ob->name : $pl;
		1399
1084	my $files = aio_readdir playerdir $pl	1400	my $files = aio_readdir playerdir $pl
1085	or return;	1401	or return;
1086		1402
1087	my @paths;	1403	my @paths;
1088		1404
1089	for (@$files) {	1405	for (@$files) {
1090	utf8::decode $_;	1406	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1407	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1408	next unless /^$PATH_SEP/o;
1093		1409
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1410	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1411	}
1096		1412
1097	\@paths	1413	\@paths
1098	}	1414	}
1099		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1466	=item $player->ext_reply ($msgid, %msg)
1101		1467
1102	Sends an ext reply to the player.	1468	Sends an ext reply to the player.
1103		1469
1104	=cut	1470	=cut
1105		1471
1106	sub ext_reply($$$%) {	1472	sub ext_reply($$%) {
1107	my ($self, $id, %msg) = @_;	1473	my ($self, $id, %msg) = @_;
1108		1474
1109	$msg{msgid} = $id;	1475	$msg{msgid} = $id;
1110		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1477	}
1113		1478
1114	package cf;	1479	=item $player->ext_event ($type, %msg)
		1480
		1481	Sends an ext event to the client.
		1482
		1483	=cut
		1484
		1485	sub ext_event($$%) {
		1486	my ($self, $type, %msg) = @_;
		1487
		1488	$self->ns->ext_event ($type, %msg);
		1489	}
		1490
		1491	=head3 cf::region
		1492
		1493	=over 4
		1494
		1495	=cut
		1496
		1497	package cf::region;
		1498
		1499	=item cf::region::find_by_path $path
		1500
		1501	Tries to decuce the likely region for a map knowing only its path.
		1502
		1503	=cut
		1504
		1505	sub find_by_path($) {
		1506	my ($path) = @_;
		1507
		1508	my ($match, $specificity);
		1509
		1510	for my $region (list) {
		1511	if ($region->{match} && $path =~ $region->{match}) {
		1512	($match, $specificity) = ($region, $region->specificity)
		1513	if $region->specificity > $specificity;
		1514	}
		1515	}
		1516
		1517	$match
		1518	}
1115		1519
1116	=back	1520	=back
1117
1118		1521
1119	=head3 cf::map	1522	=head3 cf::map
1120		1523
1121	=over 4	1524	=over 4
1122		1525
…		…
1177	my ($self, $merge) = @_;	1580	my ($self, $merge) = @_;
1178		1581
1179	# we have to keep some variables in memory intact	1582	# we have to keep some variables in memory intact
1180	local $self->{path};	1583	local $self->{path};
1181	local $self->{load_path};	1584	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1585
1185	$self->SUPER::thawer_merge ($merge);	1586	$self->SUPER::thawer_merge ($merge);
1186	}	1587	}
1187		1588
1188	sub normalise {	1589	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1636	$self->init; # pass $1 etc.
1236	return $self;	1637	return $self;
1237	}	1638	}
1238	}	1639	}
1239		1640
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1642	()
1242	}	1643	}
1243		1644
1244	sub init {	1645	sub init {
1245	my ($self) = @_;	1646	my ($self) = @_;
…		…
1260		1661
1261	# the original (read-only) location	1662	# the original (read-only) location
1262	sub load_path {	1663	sub load_path {
1263	my ($self) = @_;	1664	my ($self) = @_;
1264		1665
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1666	"$MAPDIR/$self->{path}.map"
1266	}	1667	}
1267		1668
1268	# the temporary/swap location	1669	# the temporary/swap location
1269	sub save_path {	1670	sub save_path {
1270	my ($self) = @_;	1671	my ($self) = @_;
1271		1672
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1674	"$TMPDIR/$path.map"
1274	}	1675	}
1275		1676
1276	# the unique path, undef == no special unique path	1677	# the unique path, undef == no special unique path
1277	sub uniq_path {	1678	sub uniq_path {
1278	my ($self) = @_;	1679	my ($self) = @_;
1279		1680
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1682	"$UNIQUEDIR/$path"
1282	}	1683	}
1283		1684
1284	# and all this just because we cannot iterate over	1685	# and all this just because we cannot iterate over
1285	# all maps in C++...	1686	# all maps in C++...
1286	sub change_all_map_light {	1687	sub change_all_map_light {
…		…
1288		1689
1289	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
1291	}	1692	}
1292		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
		1700	}
		1701
1293	sub unlink_save {	1702	sub unlink_save {
1294	my ($self) = @_;	1703	my ($self) = @_;
1295		1704
1296	utf8::encode (my $save = $self->save_path);	1705	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1706	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1707	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1708	}
1305		1709
1306	sub load_header_from($) {	1710	sub load_header_from($) {
1307	my ($self, $path) = @_;	1711	my ($self, $path) = @_;
1308		1712
…		…
1358	$self->load_header_orig	1762	$self->load_header_orig
1359	or return;	1763	or return;
1360	$self->prepare_orig;	1764	$self->prepare_orig;
1361	}	1765	}
1362		1766
		1767	$self->{deny_reset} = 1
		1768	if $self->no_reset;
		1769
		1770	$self->default_region (cf::region::find_by_path $self->{path})
		1771	unless $self->default_region;
		1772
1363	1	1773	1
1364	}	1774	}
1365		1775
1366	sub find;	1776	sub find;
1367	sub find {	1777	sub find {
…		…
1379	$map->{last_save} = $cf::RUNTIME;	1789	$map->{last_save} = $cf::RUNTIME;
1380		1790
1381	$map->load_header	1791	$map->load_header
1382	or return;	1792	or return;
1383		1793
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1795	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1796	#$cf::WAIT_FOR_TICK->wait;
1387	$map->reset;	1797	$map->reset;
1388	undef $guard;	1798	undef $guard;
1389	return find $path;	1799	return find $path;
…		…
1400	my ($self) = @_;	1810	my ($self) = @_;
1401		1811
1402	local $self->{deny_reset} = 1; # loading can take a long time	1812	local $self->{deny_reset} = 1; # loading can take a long time
1403		1813
1404	my $path = $self->{path};	1814	my $path = $self->{path};
		1815
		1816	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1817	my $guard = cf::lock_acquire "map_load:$path";
1406		1818
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1819	return if $self->in_memory != cf::MAP_SWAPPED;
1408		1820
1409	$self->in_memory (cf::MAP_LOADING);	1821	$self->in_memory (cf::MAP_LOADING);
1410		1822
1411	$self->alloc;	1823	$self->alloc;
1412		1824
1413	$self->pre_load;	1825	$self->pre_load;
1414
1415	$self->_load_objects ($self->{load_path}, 1)
1416	or return;
1417
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};
1420
1421	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {
1424	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);
1426	}
1427	}
1428
1429	Coro::cede;
1430
1431	# now do the right thing for maps
1432	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;	1826	Coro::cede;
1439	$self->set_darkness_map;	1827
		1828	$self->_load_objects ($self->{load_path}, 1)
		1829	or return;
		1830
		1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1832	if delete $self->{load_original};
		1833
		1834	if (my $uniq = $self->uniq_path) {
		1835	utf8::encode $uniq;
		1836	if (aio_open $uniq, O_RDONLY, 0) {
		1837	$self->clear_unique_items;
		1838	$self->_load_objects ($uniq, 0);
		1839	}
		1840	}
		1841
		1842	Coro::cede;
		1843	# now do the right thing for maps
		1844	$self->link_multipart_objects;
1440	$self->difficulty ($self->estimate_difficulty)	1845	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1846	unless $self->difficulty;
1442	Coro::cede;	1847	Coro::cede;
		1848
		1849	unless ($self->{deny_activate}) {
		1850	$self->decay_objects;
		1851	$self->fix_auto_apply;
		1852	$self->update_buttons;
		1853	Coro::cede;
		1854	$self->set_darkness_map;
		1855	Coro::cede;
1443	$self->activate;	1856	$self->activate;
		1857	}
		1858
		1859	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1860	}
1445		1861
1446	$self->post_load;	1862	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1863	}
1450		1864
1451	sub customise_for {	1865	sub customise_for {
1452	my ($self, $ob) = @_;	1866	my ($self, $ob) = @_;
1453		1867
1454	return find "~" . $ob->name . "/" . $self->{path}	1868	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
1456		1873
1457	$self	1874	$self
1458	}	1875	}
1459		1876
1460	# find and load all maps in the 3x3 area around a map	1877	# find and load all maps in the 3x3 area around a map
…		…
1507		1924
1508	undef $MAP_PREFETCH{$path};	1925	undef $MAP_PREFETCH{$path};
1509	$MAP_PREFETCHER ||= cf::async {	1926	$MAP_PREFETCHER ||= cf::async {
1510	while (%MAP_PREFETCH) {	1927	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	1928	for my $path (keys %MAP_PREFETCH) {
1512	my $map = find $path	1929	if (my $map = find $path) {
1513	or next;
1514	$map->load;	1930	$map->load;
		1931	}
1515		1932
1516	delete $MAP_PREFETCH{$path};	1933	delete $MAP_PREFETCH{$path};
1517	}	1934	}
1518	}	1935	}
1519	undef $MAP_PREFETCHER;	1936	undef $MAP_PREFETCHER;
…		…
1571		1988
1572	sub reset_at {	1989	sub reset_at {
1573	my ($self) = @_;	1990	my ($self) = @_;
1574		1991
1575	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1578		1994
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		1997
…		…
1592	my ($self) = @_;	2008	my ($self) = @_;
1593		2009
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2011
1596	return if $self->players;	2012	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2013
1599	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
		2015
		2016	$self->in_memory (cf::MAP_SWAPPED);
		2017
		2018	# need to save uniques path
		2019	unless ($self->{deny_save}) {
		2020	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2021
		2022	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2023	if $uniq;
		2024	}
1600		2025
1601	delete $cf::MAP{$self->path};	2026	delete $cf::MAP{$self->path};
1602		2027
1603	$self->in_memory (cf::MAP_SWAPPED);
1604	$self->clear;	2028	$self->clear;
1605		2029
1606	$_->clear_links_to ($self) for values %cf::MAP;	2030	$_->clear_links_to ($self) for values %cf::MAP;
1607		2031
1608	$self->unlink_save;	2032	$self->unlink_save;
…		…
1627	$cf::MAP{$self->path} = $self;	2051	$cf::MAP{$self->path} = $self;
1628		2052
1629	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
1630	}	2054	}
1631		2055
		2056	=item $maps = cf::map::tmp_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
		2072	}
		2073
		2074	=item $maps = cf::map::random_maps
		2075
		2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
		2078
		2079	=cut
		2080
		2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
		2090	}
		2091
1632	=item cf::map::unique_maps	2092	=item cf::map::unique_maps
1633		2093
1634	Returns an arrayref of paths of all shared maps that have	2094	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2095	instantiated unique items. May block.
1636		2096
1637	=cut	2097	=cut
1638		2098
1639	sub unique_maps() {	2099	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2100	[
1641	or return;	2101	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2102	utf8::decode $_;
1647	next if /\.pst$/;	2103	/\.map$/
1648	next unless /^$PATH_SEP/o;	2104	? normalise $_
1649		2105	: ()
1650	push @paths, cf::map::normalise $_;	2106	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2107	]
1652
1653	\@paths
1654	}	2108	}
1655		2109
1656	package cf;	2110	package cf;
1657		2111
1658	=back	2112	=back
…		…
1704		2158
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2160
1707	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1709	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1712	}	2180	}
1713	}	2181	}
1714		2182
1715	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1716		2184
…		…
1764	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1765		2233
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2235
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1770		2238
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2240	}
1773		2241
1774	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1776		2246
1777	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1778		2248
1779	unless ($map) {	2249	unless ($map) {
1780	# restore original map position	2250	# restore original map position
…		…
1798	$map->load;	2268	$map->load;
1799	$map->load_diag;	2269	$map->load_diag;
1800		2270
1801	return unless $self->contr->active;	2271	return unless $self->contr->active;
1802	$self->activate_recursive;	2272	$self->activate_recursive;
		2273
		2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1804	}	2276	}
1805		2277
1806	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2279
1810	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1814	};	2284	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2285
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2286	=cut
		2287
		2288	our $GOTOGEN;
1841		2289
1842	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
		2292
		2293	# do generation counting so two concurrent goto's will be executed in-order
		2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2295
1845	$self->enter_link;	2296	$self->enter_link;
1846		2297
1847	(async {	2298	(async {
1848	my $map = eval {	2299	my $map = eval {
1849	my $map = cf::map::find $path;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
		2304	$map = $check->($map) if $check && $map;
		2305	} else {
		2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
		2308
1851	$map	2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2315	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1856	})->prio (1);	2323	})->prio (1);
1857	}	2324	}
1858		2325
1859	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1860		2327
…		…
1899		2366
1900	$rmp->{random_seed} ||= $exit->random_seed;	2367	$rmp->{random_seed} ||= $exit->random_seed;
1901		2368
1902	my $data = cf::to_json $rmp;	2369	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2370	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2371	my $meta = "$RANDOMDIR/$md5.meta";
1905		2372
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2374	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2375	undef $fh;
1909	aio_rename "$meta~", $meta;	2376	aio_rename "$meta~", $meta;
…		…
1918		2385
1919	return unless $self->type == cf::PLAYER;	2386	return unless $self->type == cf::PLAYER;
1920		2387
1921	if ($exit->slaying eq "/!") {	2388	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2390	# the problem is that $exit might not survive long enough
		2391	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	2392	cf::sync_job { prepare_random_map $exit };
1924	}	2393	}
1925		2394
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2396	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2397	my $sp = $exit->stats->sp;
1929		2398
1930	$self->enter_link;	2399	$self->enter_link;
		2400
		2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
1931		2404
1932	(async {	2405	(async {
1933	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2407	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2408	$self->goto ($slaying, $hp, $sp);
1936		2409
1937	1;	2410	1;
1938	}) {	2411	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2412	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2413	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2414	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2415	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2416
1944	warn "ERROR in enter_exit: $@";	2417	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2418	$self->leave_link;
1946	}	2419	}
1947	})->prio (1);	2420	})->prio (1);
…		…
1960		2433
1961	sub cf::client::send_drawinfo {	2434	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2435	my ($self, $text, $flags) = @_;
1963		2436
1964	utf8::encode $text;	2437	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2439	}
1967		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	return unless @extra || length $msg;
		2456
		2457	$color &= ~cf::NDI_UNIQUE; # just in case...
		2458
		2459	if (ref $channel) {
		2460	# send meta info to client, if not yet sent
		2461	unless (exists $self->{channel}{$channel->{id}}) {
		2462	$self->{channel}{$channel->{id}} = $channel;
		2463	$self->ext_event (channel_info => %$channel);
		2464	}
		2465
		2466	$channel = $channel->{id};
		2467	}
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
		2493	=item $client->ext_event ($type, %msg)
		2494
		2495	Sends an ext event to the client.
		2496
		2497	=cut
		2498
		2499	sub cf::client::ext_event($$%) {
		2500	my ($self, $type, %msg) = @_;
		2501
		2502	return unless $self->extcmd;
		2503
		2504	$msg{msgtype} = "event_$type";
		2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2506	}
1968		2507
1969	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
1970		2509
1971	Queues a query to the client, calling the given callback with	2510	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2511	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2513
1975	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2515	become reliable at some point in the future.
1977		2516
1978	=cut	2517	=cut
1979		2518
1980	sub cf::client::query {	2519	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2528	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2530
1992	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
1994	}	2535	}
1995		2536
1996	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
1997	on_reply => sub {	2543	on_reply => sub {
1998	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
1999		2545
2000	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
2001	# get handled first	2547	# get handled first
2002	my $queue = delete $ns->{query_queue}	2548	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2549	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2550
2005	(shift @$queue)->[1]->($msg);	2551	(shift @$queue)->[1]->($msg);
		2552	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2553
2007	push @{ $ns->{query_queue} }, @$queue;	2554	push @{ $ns->{query_queue} }, @$queue;
2008		2555
2009	if (@{ $ns->{query_queue} } == @$queue) {	2556	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2557	if (@$queue) {
…		…
2012	} else {	2559	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2561	}
2015	}	2562	}
2016	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
2017	);	2582	);
2018		2583
2019	=item $client->async (\&cb)	2584	=item $client->async (\&cb)
2020		2585
2021	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
…		…
2068		2633
2069	# here we export the classes and methods available to script code	2634	# here we export the classes and methods available to script code
2070		2635
2071	=pod	2636	=pod
2072		2637
2073	The following fucntions and emthods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
2074		2639
2075	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
2076	cf::object::player player	2644	cf::object::player
2077	cf::player peaceful	2645	player
2078	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
2079		2652
2080	=cut	2653	=cut
2081		2654
2082	for (	2655	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
2084	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
2087	) {	2661	) {
2088	no strict 'refs';	2662	no strict 'refs';
…		…
2159	=back	2733	=back
2160		2734
2161	=cut	2735	=cut
2162		2736
2163	#############################################################################	2737	#############################################################################
		2738	# the server's init and main functions
2164		2739
2165	=head2 EXTENSION DATABASE SUPPORT	2740	sub load_facedata($) {
		2741	my ($path) = @_;
2166		2742
2167	Crossfire maintains a very simple database for extension use. It can	2743	warn "loading facedata from $path\n";
2168	currently store anything that can be serialised using Storable, which
2169	excludes objects.
2170		2744
2171	The parameter C<$family> should best start with the name of the extension	2745	my $facedata;
2172	using it, it should be unique.	2746	0 < aio_load $path, $facedata
		2747	or die "$path: $!";
2173		2748
2174	=over 4	2749	$facedata = Coro::Storable::thaw $facedata;
2175		2750
2176	=item $hashref = cf::db_get $family	2751	$facedata->{version} == 2
		2752	or cf::cleanup "$path: version mismatch, cannot proceed.";
2177		2753
2178	Return a hashref for use by the extension C<$family>, which can be
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181
2182	=item $value = cf::db_get $family => $key
2183
2184	Returns a single value from the database
2185
2186	=item cf::db_put $family => $hashref
2187
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	2754	{
		2755	my $faces = $facedata->{faceinfo};
2214		2756
2215	my $pid;	2757	while (my ($face, $info) = each %$faces) {
		2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
		2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2216		2763
2217	sub db_save() {	2764	cf::cede_to_tick;
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}
2226
2227	my $dirty;
2228
2229	sub db_sync() {
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	2765	}
2268	);
2269	}
2270		2766
2271	#############################################################################	2767	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	2768	next unless $info->{smooth};
		2769	my $idx = cf::face::find $face
		2770	or next;
		2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
		2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2774	} else {
		2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2776	}
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	{
		2783	my $anims = $facedata->{animinfo};
		2784
		2785	while (my ($anim, $info) = each %$anims) {
		2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2787	cf::cede_to_tick;
		2788	}
		2789
		2790	cf::anim::invalidate_all; # d'oh
		2791	}
		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
		2821	}
		2822
		2823	1
		2824	}
		2825
		2826	sub reload_regions {
		2827	load_resource_file "$MAPDIR/regions"
		2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
		2834	}
		2835
		2836	sub reload_facedata {
		2837	load_facedata "$DATADIR/facedata"
		2838	or die "unable to load facedata\n";
		2839	}
		2840
		2841	sub reload_archetypes {
		2842	load_resource_file "$DATADIR/archetypes"
		2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
		2849	}
		2850
		2851	sub reload_treasures {
		2852	load_resource_file "$DATADIR/treasures"
		2853	or die "unable to load treasurelists\n";
		2854	}
		2855
		2856	sub reload_resources {
		2857	warn "reloading resource files...\n";
		2858
		2859	reload_regions;
		2860	reload_facedata;
		2861	#reload_archetypes;#d#
		2862	reload_archetypes;
		2863	reload_treasures;
		2864
		2865	warn "finished reloading resource files\n";
		2866	}
		2867
		2868	sub init {
		2869	reload_resources;
		2870	}
2273		2871
2274	sub cfg_load {	2872	sub cfg_load {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	2873	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	2874	or return;
2277		2875
2278	local $/;	2876	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	2877	*CFG = YAML::Syck::Load <$fh>;
2280		2878
…		…
2300	Event::one_event;	2898	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	2899	})->prio (Coro::PRIO_MAX);
2302	};	2900	};
2303		2901
2304	cfg_load;	2902	cfg_load;
2305	db_load;	2903	db_init;
2306	load_extensions;	2904	load_extensions;
2307		2905
2308	$TICK_WATCHER->start;	2906	$TICK_WATCHER->start;
2309	Event::loop;	2907	Event::loop;
2310	}	2908	}
…		…
2325	},	2923	},
2326	);	2924	);
2327	}	2925	}
2328	}	2926	}
2329		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
		2964	}
		2965
2330	sub emergency_save() {	2966	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	2967	my $freeze_guard = cf::freeze_mainloop;
2332		2968
2333	warn "enter emergency perl save\n";	2969	warn "enter emergency perl save\n";
2334		2970
…		…
2349	my $map = $cf::MAP{$path} or next;	2985	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	2986	$map->valid or next;
2351	$map->save;	2987	$map->save;
2352	}	2988	}
2353	warn "end emergency map save\n";	2989	warn "end emergency map save\n";
		2990
		2991	warn "begin emergency database checkpoint\n";
		2992	BDB::db_env_txn_checkpoint $DB_ENV;
		2993	warn "end emergency database checkpoint\n";
2354	};	2994	};
2355		2995
2356	warn "leave emergency perl save\n";	2996	warn "leave emergency perl save\n";
2357	}	2997	}
2358		2998
		2999	sub post_cleanup {
		3000	my ($make_core) = @_;
		3001
		3002	warn Carp::longmess "post_cleanup backtrace"
		3003	if $make_core;
		3004	}
		3005
2359	sub reload() {	3006	sub do_reload_perl() {
2360	# can/must only be called in main	3007	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3008	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3009	warn "can only reload from main coroutine";
2363	return;	3010	return;
2364	}	3011	}
2365		3012
2366	warn "reloading...";	3013	warn "reloading...";
2367		3014
2368	warn "cancelling server ticker";	3015	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3016
		3017	cf::sync_job {
		3018	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3019	cf::emergency_save;
		3020	cf::write_runtime; # external watchdog should not bark
2372		3021
2373	eval {	3022	warn "syncing database to disk";
		3023	BDB::db_env_txn_checkpoint $DB_ENV;
		3024
2374	# if anything goes wrong in here, we should simply crash as we already saved	3025	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		3026
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3027	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3028	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3029	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3030	}
2383		3031
2384	warn "flushing outstanding aio requests";	3032	warn "flushing outstanding aio requests";
2385	for (;;) {	3033	for (;;) {
		3034	BDB::flush;
2386	IO::AIO::flush;	3035	IO::AIO::flush;
2387	Coro::cede;	3036	Coro::cede;
2388	last unless IO::AIO::nreqs;	3037	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3038	warn "iterate...";
2390	}	3039	}
		3040
		3041	++$RELOAD;
2391		3042
2392	warn "cancelling all extension coros";	3043	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3044	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3045	%EXT_CORO = ();
2395		3046
2396	warn "removing commands";	3047	warn "removing commands";
2397	%COMMAND = ();	3048	%COMMAND = ();
2398		3049
2399	warn "removing ext commands";	3050	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3051	%EXTCMD = ();
		3052	%EXTICMD = ();
2401		3053
2402	warn "unloading/nuking all extensions";	3054	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3055	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3056	warn "... unloading $pkg";
2405		3057
…		…
2435	Symbol::delete_package "safe::$_"	3087	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3089
2438	warn "unloading cf.pm \"a bit\"";	3090	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3091	delete $INC{"cf.pm"};
		3092	delete $INC{"cf/pod.pm"};
2440		3093
2441	# don't, removes xs symbols, too,	3094	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3095	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3096	#Symbol::delete_package __PACKAGE__;
2444		3097
…		…
2448	require cf;	3101	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3103
2451	warn "loading config and database again";	3104	warn "loading config and database again";
2452	cf::cfg_load;	3105	cf::cfg_load;
2453	cf::db_load;
2454		3106
2455	warn "loading extensions";	3107	warn "loading extensions";
2456	cf::load_extensions;	3108	cf::load_extensions;
2457		3109
2458	warn "reattaching attachments to objects/players";	3110	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3111	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3112	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3113	reattach $_ for values %MAP;
		3114	warn "reattaching attachments to players";
		3115	reattach $_ for values %PLAYER;
2462		3116
2463	warn "restarting server ticker";	3117	warn "leaving sync_job";
2464		3118
2465	$TICK_WATCHER->start;	3119	1
2466	};	3120	} or do {
2467
2468	if ($@) {
2469	warn $@;	3121	warn $@;
2470	warn "error while reloading, exiting.";	3122	warn "error while reloading, exiting.";
2471	exit 1;	3123	exit 1;
2472	}	3124	};
2473		3125
2474	warn "reloaded";	3126	warn "reloaded";
2475	};	3127	};
2476		3128
2477	our $RELOAD_WATCHER; # used only during reload	3129	our $RELOAD_WATCHER; # used only during reload
2478		3130
		3131	sub reload_perl() {
		3132	# doing reload synchronously and two reloads happen back-to-back,
		3133	# coro crashes during coro_state_free->destroy here.
		3134
		3135	$RELOAD_WATCHER ||= Event->timer (
		3136	reentrant => 0,
		3137	after => 0,
		3138	data => WF_AUTOCANCEL,
		3139	cb => sub {
		3140	do_reload_perl;
		3141	undef $RELOAD_WATCHER;
		3142	},
		3143	);
		3144	}
		3145
2479	register_command "reload" => sub {	3146	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3147	my ($who, $arg) = @_;
2481		3148
2482	if ($who->flag (FLAG_WIZ)) {	3149	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3150	$who->message ("reloading server.");
2484		3151	async { reload_perl };
2485	# doing reload synchronously and two reloads happen back-to-back,
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);
2497	}	3152	}
2498	};	3153	};
2499		3154
2500	unshift @INC, $LIBDIR;	3155	unshift @INC, $LIBDIR;
2501		3156
2502	my $bug_warning = 0;	3157	my $bug_warning = 0;
2503		3158
		3159	our @WAIT_FOR_TICK;
		3160	our @WAIT_FOR_TICK_BEGIN;
		3161
		3162	sub wait_for_tick {
		3163	return unless $TICK_WATCHER->is_active;
		3164	return if $Coro::current == $Coro::main;
		3165
		3166	my $signal = new Coro::Signal;
		3167	push @WAIT_FOR_TICK, $signal;
		3168	$signal->wait;
		3169	}
		3170
		3171	sub wait_for_tick_begin {
		3172	return unless $TICK_WATCHER->is_active;
		3173	return if $Coro::current == $Coro::main;
		3174
		3175	my $signal = new Coro::Signal;
		3176	push @WAIT_FOR_TICK_BEGIN, $signal;
		3177	$signal->wait;
		3178	}
		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2504	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3183	reentrant => 0,
2506	parked => 1,	3184	parked => 1,
2507	prio => 0,	3185	prio => 0,
2508	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3191	unless ++$bug_warning > 10;
2514	return;	3192	return;
2515	}	3193	}
2516		3194
2517	$NOW = Event::time;	3195	$NOW = $tick_start = Event::time;
2518		3196
2519	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
		3221
2520	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2522		3224
2523	$WAIT_FOR_TICK->broadcast;	3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3227	Coro::async_pool {
2526	Event::sweep;	3228	write_runtime
2527	Coro::cede_notself;	3229	or warn "ERROR: unable to write runtime file: $!";
		3230	};
2528		3231	}
		3232
2529	# my $AFTER = Event::time;	3233	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3234	# warn $AFTER - $NOW;#d#
2531		3235
		3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3237	$sig->send;
		3238	}
		3239	while (my $sig = shift @WAIT_FOR_TICK) {
		3240	$sig->send;
		3241	}
		3242
		3243	$NOW = Event::time;
		3244
2532	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3247
2535	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
		3250
		3251	$LOAD = ($NOW - $tick_start) / $TICK;
		3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3253
		3254	_post_tick;
		3255
		3256
2537	},	3257	},
2538	);	3258	);
2539		3259
		3260	{
		3261	BDB::max_poll_time $TICK * 0.1;
		3262	$BDB_POLL_WATCHER = Event->io (
		3263	reentrant => 0,
		3264	fd => BDB::poll_fileno,
		3265	poll => 'r',
		3266	prio => 0,
		3267	data => WF_AUTOCANCEL,
		3268	cb => \&BDB::poll_cb,
		3269	);
		3270	BDB::min_parallel 8;
		3271
		3272	BDB::set_sync_prepare {
		3273	my $status;
		3274	my $current = $Coro::current;
		3275	(
		3276	sub {
		3277	$status = $!;
		3278	$current->ready; undef $current;
		3279	},
		3280	sub {
		3281	Coro::schedule while defined $current;
		3282	$! = $status;
		3283	},
		3284	)
		3285	};
		3286
		3287	unless ($DB_ENV) {
		3288	$DB_ENV = BDB::db_env_create;
		3289
		3290	cf::sync_job {
		3291	eval {
		3292	BDB::db_env_open
		3293	$DB_ENV,
		3294	$BDBDIR,
		3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3297	0666;
		3298
		3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3300
		3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3302	$DB_ENV->set_lk_detect;
		3303	};
		3304
		3305	cf::cleanup "db_env_open(db): $@" if $@;
		3306	};
		3307	}
		3308	}
		3309
		3310	{
		3311	IO::AIO::min_parallel 8;
		3312
		3313	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3314	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3315	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3316	reentrant => 0,
		3317	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3318	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3319	poll => 'r',
2547	prio => 6,	3320	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3321	cb => \&IO::AIO::poll_cb,
2550	);	3322	);
		3323	}
2551		3324
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3325	my $_log_backtrace;
2553	reentrant => 0,	3326
2554	data => WF_AUTOCANCEL,	3327	sub _log_backtrace {
2555	after => 1,	3328	my ($msg, @addr) = @_;
2556	interval => 10,	3329
2557	prio => 6, # keep it lowest so it acts like a watchdog	3330	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3331
2559	write_runtime	3332	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
		3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3360	}
2562	);	3361	}
		3362
		3363	# load additional modules
		3364	use cf::pod;
2563		3365
2564	END { cf::emergency_save }	3366	END { cf::emergency_save }
2565		3367
2566	1	3368	1
2567		3369

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines