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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 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 ();
		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
…		…
752	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
753		981
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	986	close $fh;
759		987
760	if (@$objs) {	988	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	994	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
768	}	996	}
769	} else {	997	} else {
770	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
776	}	1004	}
777	} else {	1005	} else {
778	aio_unlink $filename;	1006	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1007	aio_unlink "$filename.pst";
780	}	1008	}
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	}	1009	}
788	}	1010	}
789		1011
790	sub object_freezer_as_string {	1012	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1013	my ($rdata, $objs) = @_;
…		…
797		1019
798	sub object_thawer_load {	1020	sub object_thawer_load {
799	my ($filename) = @_;	1021	my ($filename) = @_;
800		1022
801	my ($data, $av);	1023	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1024
806	(aio_load $filename, $data) >= 0	1025	(aio_load $filename, $data) >= 0
807	or return;	1026	or return;
808		1027
809	unless (aio_stat "$filename.pst") {	1028	unless (aio_stat "$filename.pst") {
…		…
811	or return;	1030	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1032	}
814		1033
815	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1036	return ($data, $av);
818	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
819		1044
820	#############################################################################	1045	#############################################################################
821	# command handling &c	1046	# command handling &c
822		1047
823	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1062	}
838		1063
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1065
841	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.
842		1071
843	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
844	called.	1073	called.
845		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
846	=cut	1086	=cut
847		1087
848	sub register_extcmd {	1088	sub register_extcmd {
849	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
850		1090
851	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
852	}	1098	}
853		1099
854	cf::player->attach (	1100	cf::player->attach (
855	on_command => sub {	1101	on_command => sub {
856	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1111	cf::override;
866	},	1112	},
867	on_extcmd => sub {	1113	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
869		1115
870	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1117
872	if (ref $msg) {	1118	if (ref $msg) {
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
874	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
875	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
881		1127
882	cf::override;	1128	cf::override;
883	},	1129	},
884	);	1130	);
885		1131
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 {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
921	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1137	next unless -r $path;
923	eval {	1138
924	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;
925	1	1196	}
926	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
927	}	1202	};
928	}	1203	}
929		1204
930	#############################################################################	1205	#############################################################################
931		1206
		1207	=back
		1208
932	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
933		1210
934	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
935		1212
936	=cut	1213	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
949		1226
950	=cut	1227	=cut
951		1228
952	sub playerdir($) {	1229	sub playerdir($) {
953	cf::localdir	1230	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1232	}
959		1233
960	sub path($) {	1234	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1236
963	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
964	}	1238	}
965		1239
966	sub find_active($) {	1240	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1255	my $login = $_[0];
982		1256
983	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
984		1258
985	$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
986	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
987	or return;	1268	or return;
988	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
989	}	1270	}
990	}	1271	}
…		…
1027		1308
1028	=cut	1309	=cut
1029		1310
1030	sub quit_character {	1311	sub quit_character {
1031	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1032		1315
1033	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1034	$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
1035		1318
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1350	}
1048		1351
1049	=item cf::player::list_logins	1352	=item cf::player::list_logins
1050		1353
1051	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
1052	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1053		1356
1054	=cut	1357	=cut
1055		1358
1056	sub list_logins {	1359	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1361	or return [];
1059		1362
1060	my @logins;	1363	my @logins;
1061		1364
1062	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1079	=cut	1382	=cut
1080		1383
1081	sub maps($) {	1384	sub maps($) {
1082	my ($pl) = @_;	1385	my ($pl) = @_;
1083		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
		1388
1084	my $files = aio_readdir playerdir $pl	1389	my $files = aio_readdir playerdir $pl
1085	or return;	1390	or return;
1086		1391
1087	my @paths;	1392	my @paths;
1088		1393
1089	for (@$files) {	1394	for (@$files) {
1090	utf8::decode $_;	1395	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1396	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1397	next unless /^$PATH_SEP/o;
1093		1398
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1399	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1400	}
1096		1401
1097	\@paths	1402	\@paths
1098	}	1403	}
1099		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
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1101		1456
1102	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1103		1458
1104	=cut	1459	=cut
1105		1460
1106	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1107	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1108		1463
1109	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1110		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1466	}
1113		1467
1114	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		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	$match
		1507	}
1115		1508
1116	=back	1509	=back
1117
1118		1510
1119	=head3 cf::map	1511	=head3 cf::map
1120		1512
1121	=over 4	1513	=over 4
1122		1514
…		…
1177	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1178		1570
1179	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1180	local $self->{path};	1572	local $self->{path};
1181	local $self->{load_path};	1573	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1574
1185	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1186	}	1576	}
1187		1577
1188	sub normalise {	1578	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1236	return $self;	1626	return $self;
1237	}	1627	}
1238	}	1628	}
1239		1629
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1631	()
1242	}	1632	}
1243		1633
1244	sub init {	1634	sub init {
1245	my ($self) = @_;	1635	my ($self) = @_;
…		…
1260		1650
1261	# the original (read-only) location	1651	# the original (read-only) location
1262	sub load_path {	1652	sub load_path {
1263	my ($self) = @_;	1653	my ($self) = @_;
1264		1654
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1266	}	1656	}
1267		1657
1268	# the temporary/swap location	1658	# the temporary/swap location
1269	sub save_path {	1659	sub save_path {
1270	my ($self) = @_;	1660	my ($self) = @_;
1271		1661
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1274	}	1664	}
1275		1665
1276	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1277	sub uniq_path {	1667	sub uniq_path {
1278	my ($self) = @_;	1668	my ($self) = @_;
1279		1669
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1282	}	1672	}
1283		1673
1284	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1285	# all maps in C++...	1675	# all maps in C++...
1286	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1288		1678
1289	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1291	}	1681	}
1292		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
1293	sub unlink_save {	1691	sub unlink_save {
1294	my ($self) = @_;	1692	my ($self) = @_;
1295		1693
1296	utf8::encode (my $save = $self->save_path);	1694	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1696	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	}	1697	}
1305		1698
1306	sub load_header_from($) {	1699	sub load_header_from($) {
1307	my ($self, $path) = @_;	1700	my ($self, $path) = @_;
1308		1701
…		…
1358	$self->load_header_orig	1751	$self->load_header_orig
1359	or return;	1752	or return;
1360	$self->prepare_orig;	1753	$self->prepare_orig;
1361	}	1754	}
1362		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
1363	1	1762	1
1364	}	1763	}
1365		1764
1366	sub find;	1765	sub find;
1367	sub find {	1766	sub find {
…		…
1379	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1380		1779
1381	$map->load_header	1780	$map->load_header
1382	or return;	1781	or return;
1383		1782
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1387	$map->reset;	1786	$map->reset;
1388	undef $guard;	1787	undef $guard;
1389	return find $path;	1788	return find $path;
…		…
1400	my ($self) = @_;	1799	my ($self) = @_;
1401		1800
1402	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1403		1802
1404	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1406		1807
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1408		1809
1409	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1410		1811
1411	$self->alloc;	1812	$self->alloc;
1412		1813
1413	$self->pre_load;	1814	$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;	1815	Coro::cede;
1439	$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;
1440	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1835	unless $self->difficulty;
1442	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($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;
1443	$self->activate;	1845	$self->activate;
		1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1849	}
1445		1850
1446	$self->post_load;	1851	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1852	}
1450		1853
1451	sub customise_for {	1854	sub customise_for {
1452	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1453		1856
1454	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1456		1862
1457	$self	1863	$self
1458	}	1864	}
1459		1865
1460	# 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
…		…
1507		1913
1508	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1509	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1510	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1512	my $map = find $path	1918	if (my $map = find $path) {
1513	or next;
1514	$map->load;	1919	$map->load;
		1920	}
1515		1921
1516	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1517	}	1923	}
1518	}	1924	}
1519	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1571		1977
1572	sub reset_at {	1978	sub reset_at {
1573	my ($self) = @_;	1979	my ($self) = @_;
1574		1980
1575	# TODO: safety, remove and allow resettable per-player maps	1981	# 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};	1982	return 1e99 if $self->{deny_reset};
1578		1983
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		1986
…		…
1592	my ($self) = @_;	1997	my ($self) = @_;
1593		1998
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2000
1596	return if $self->players;	2001	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2002
1599	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	}
1600		2014
1601	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
1602		2016
1603	$self->in_memory (cf::MAP_SWAPPED);
1604	$self->clear;	2017	$self->clear;
1605		2018
1606	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1607		2020
1608	$self->unlink_save;	2021	$self->unlink_save;
…		…
1627	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1628		2041
1629	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1630	}	2043	}
1631		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
1632	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1633		2082
1634	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2084	instantiated unique items. May block.
1636		2085
1637	=cut	2086	=cut
1638		2087
1639	sub unique_maps() {	2088	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1641	or return;	2090	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2091	utf8::decode $_;
1647	next if /\.pst$/;	2092	/\.map$/
1648	next unless /^$PATH_SEP/o;	2093	? normalise $_
1649		2094	: ()
1650	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2096	]
1652
1653	\@paths
1654	}	2097	}
1655		2098
1656	package cf;	2099	package cf;
1657		2100
1658	=back	2101	=back
…		…
1704		2147
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2149
1707	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1709	} 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 {
1710	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1712	}	2169	}
1713	}	2170	}
1714		2171
1715	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1716		2173
…		…
1764	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1765		2222
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2224
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1770		2227
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2229	}
1773		2230
1774	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1776		2235
1777	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1778		2237
1779	unless ($map) {	2238	unless ($map) {
1780	# restore original map position	2239	# restore original map position
…		…
1798	$map->load;	2257	$map->load;
1799	$map->load_diag;	2258	$map->load_diag;
1800		2259
1801	return unless $self->contr->active;	2260	return unless $self->contr->active;
1802	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1804	}	2265	}
1805		2266
1806	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2268
1810	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1814	};	2273	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2274
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	2275	=cut
		2276
		2277	our $GOTOGEN;
1841		2278
1842	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1843	my ($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;
1844		2284
1845	$self->enter_link;	2285	$self->enter_link;
1846		2286
1847	(async {	2287	(async {
1848	my $map = eval {	2288	my $map = eval {
1849	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1850	$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
1851	$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 $@;
1852	} or	2304	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1856	})->prio (1);	2312	})->prio (1);
1857	}	2313	}
1858		2314
1859	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1860		2316
…		…
1899		2355
1900	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1901		2357
1902	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2360	my $meta = "$RANDOMDIR/$md5.meta";
1905		2361
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2364	undef $fh;
1909	aio_rename "$meta~", $meta;	2365	aio_rename "$meta~", $meta;
…		…
1918		2374
1919	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1920		2376
1921	if ($exit->slaying eq "/!") {	2377	if ($exit->slaying eq "/!") {
1922	#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
1923	cf::sync_job { prepare_random_map $exit };	2381	cf::sync_job { prepare_random_map $exit };
1924	}	2382	}
1925		2383
1926	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;
1927	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
1929		2387
1930	$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);
1931		2393
1932	(async {	2394	(async {
1933	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2396	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
1936		2398
1937	1;	2399	1;
1938	}) {	2400	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "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. "
1941	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2405
1944	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2407	$self->leave_link;
1946	}	2408	}
1947	})->prio (1);	2409	})->prio (1);
…		…
1960		2422
1961	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1963		2425
1964	utf8::encode $text;	2426	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2428	}
1967		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	}
1968		2496
1969	=item $success = $client->query ($flags, "text", \&cb)	2497	=item $success = $client->query ($flags, "text", \&cb)
1970		2498
1971	Queues a query to the client, calling the given callback with	2499	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>,	2500	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>.	2501	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2502
1975	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
1976	reliable at some point in the future.	2504	become reliable at some point in the future.
1977		2505
1978	=cut	2506	=cut
1979		2507
1980	sub cf::client::query {	2508	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2509	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2517	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2518	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2519
1992	$self->send_packet ($self->{query_queue}[0][0])	2520	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2521	if @{ $self->{query_queue} } == 1;
		2522
		2523	1
1994	}	2524	}
1995		2525
1996	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	},
1997	on_reply => sub {	2532	on_reply => sub {
1998	my ($ns, $msg) = @_;	2533	my ($ns, $msg) = @_;
1999		2534
2000	# this weird shuffling is so that direct followup queries	2535	# this weird shuffling is so that direct followup queries
2001	# get handled first	2536	# get handled first
2002	my $queue = delete $ns->{query_queue}	2537	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2538	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2539
2005	(shift @$queue)->[1]->($msg);	2540	(shift @$queue)->[1]->($msg);
		2541	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2542
2007	push @{ $ns->{query_queue} }, @$queue;	2543	push @{ $ns->{query_queue} }, @$queue;
2008		2544
2009	if (@{ $ns->{query_queue} } == @$queue) {	2545	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2546	if (@$queue) {
…		…
2012	} else {	2548	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2549	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2550	}
2015	}	2551	}
2016	},	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	},
2017	);	2571	);
2018		2572
2019	=item $client->async (\&cb)	2573	=item $client->async (\&cb)
2020		2574
2021	Create a new coroutine, running the specified callback. The coroutine will	2575	Create a new coroutine, running the specified callback. The coroutine will
…		…
2068		2622
2069	# here we export the classes and methods available to script code	2623	# here we export the classes and methods available to script code
2070		2624
2071	=pod	2625	=pod
2072		2626
2073	The following fucntions and emthods are available within a safe environment:	2627	The following functions and methods are available within a safe environment:
2074		2628
2075	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
2076	cf::object::player player	2633	cf::object::player
2077	cf::player peaceful	2634	player
2078	cf::map trigger	2635
		2636	cf::player
		2637	peaceful
		2638
		2639	cf::map
		2640	trigger
2079		2641
2080	=cut	2642	=cut
2081		2643
2082	for (	2644	for (
2083	["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)],
2084	["cf::object::player" => qw(player)],	2647	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2648	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2649	["cf::map" => qw(trigger)],
2087	) {	2650	) {
2088	no strict 'refs';	2651	no strict 'refs';
…		…
2159	=back	2722	=back
2160		2723
2161	=cut	2724	=cut
2162		2725
2163	#############################################################################	2726	#############################################################################
		2727	# the server's init and main functions
2164		2728
2165	=head2 EXTENSION DATABASE SUPPORT	2729	sub load_facedata($) {
		2730	my ($path) = @_;
2166		2731
2167	Crossfire maintains a very simple database for extension use. It can	2732	warn "loading facedata from $path\n";
2168	currently store anything that can be serialised using Storable, which
2169	excludes objects.
2170		2733
2171	The parameter C<$family> should best start with the name of the extension	2734	my $facedata;
2172	using it, it should be unique.	2735	0 < aio_load $path, $facedata
		2736	or die "$path: $!";
2173		2737
2174	=over 4	2738	$facedata = Coro::Storable::thaw $facedata;
2175		2739
2176	=item $hashref = cf::db_get $family	2740	$facedata->{version} == 2
		2741	or cf::cleanup "$path: version mismatch, cannot proceed.";
2177		2742
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	}	2743	{
		2744	my $faces = $facedata->{faceinfo};
2214		2745
2215	my $pid;	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};
2216		2752
2217	sub db_save() {	2753	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]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	2754	}
2268	);
2269	}
2270		2755
2271	#############################################################################	2756	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	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"
		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;
		2859	}
2273		2860
2274	sub cfg_load {	2861	sub cfg_load {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	2862	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	2863	or return;
2277		2864
2278	local $/;	2865	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	2866	*CFG = YAML::Syck::Load <$fh>;
2280		2867
…		…
2300	Event::one_event;	2887	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	2888	})->prio (Coro::PRIO_MAX);
2302	};	2889	};
2303		2890
2304	cfg_load;	2891	cfg_load;
2305	db_load;	2892	db_init;
2306	load_extensions;	2893	load_extensions;
2307		2894
2308	$TICK_WATCHER->start;	2895	$TICK_WATCHER->start;
2309	Event::loop;	2896	Event::loop;
2310	}	2897	}
…		…
2325	},	2912	},
2326	);	2913	);
2327	}	2914	}
2328	}	2915	}
2329		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
2330	sub emergency_save() {	2955	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	2956	my $freeze_guard = cf::freeze_mainloop;
2332		2957
2333	warn "enter emergency perl save\n";	2958	warn "enter emergency perl save\n";
2334		2959
…		…
2349	my $map = $cf::MAP{$path} or next;	2974	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	2975	$map->valid or next;
2351	$map->save;	2976	$map->save;
2352	}	2977	}
2353	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 $DB_ENV;
		2982	warn "end emergency database checkpoint\n";
2354	};	2983	};
2355		2984
2356	warn "leave emergency perl save\n";	2985	warn "leave emergency perl save\n";
2357	}	2986	}
2358		2987
		2988	sub post_cleanup {
		2989	my ($make_core) = @_;
		2990
		2991	warn Carp::longmess "post_cleanup backtrace"
		2992	if $make_core;
		2993	}
		2994
2359	sub reload() {	2995	sub do_reload_perl() {
2360	# can/must only be called in main	2996	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	2997	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	2998	warn "can only reload from main coroutine";
2363	return;	2999	return;
2364	}	3000	}
2365		3001
2366	warn "reloading...";	3002	warn "reloading...";
2367		3003
2368	warn "cancelling server ticker";	3004	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3005
		3006	cf::sync_job {
		3007	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3008	cf::emergency_save;
		3009	cf::write_runtime; # external watchdog should not bark
2372		3010
2373	eval {	3011	warn "syncing database to disk";
		3012	BDB::db_env_txn_checkpoint $DB_ENV;
		3013
2374	# 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
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		3015
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3016	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3017	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3018	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3019	}
2383		3020
2384	warn "flushing outstanding aio requests";	3021	warn "flushing outstanding aio requests";
2385	for (;;) {	3022	for (;;) {
		3023	BDB::flush;
2386	IO::AIO::flush;	3024	IO::AIO::flush;
2387	Coro::cede;	3025	Coro::cede;
2388	last unless IO::AIO::nreqs;	3026	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3027	warn "iterate...";
2390	}	3028	}
		3029
		3030	++$RELOAD;
2391		3031
2392	warn "cancelling all extension coros";	3032	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3033	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3034	%EXT_CORO = ();
2395		3035
2396	warn "removing commands";	3036	warn "removing commands";
2397	%COMMAND = ();	3037	%COMMAND = ();
2398		3038
2399	warn "removing ext commands";	3039	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3040	%EXTCMD = ();
		3041	%EXTICMD = ();
2401		3042
2402	warn "unloading/nuking all extensions";	3043	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3044	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3045	warn "... unloading $pkg";
2405		3046
…		…
2435	Symbol::delete_package "safe::$_"	3076	Symbol::delete_package "safe::$_"
2436	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);
2437		3078
2438	warn "unloading cf.pm \"a bit\"";	3079	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3080	delete $INC{"cf.pm"};
		3081	delete $INC{"cf/pod.pm"};
2440		3082
2441	# don't, removes xs symbols, too,	3083	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3084	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3085	#Symbol::delete_package __PACKAGE__;
2444		3086
…		…
2448	require cf;	3090	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3092
2451	warn "loading config and database again";	3093	warn "loading config and database again";
2452	cf::cfg_load;	3094	cf::cfg_load;
2453	cf::db_load;
2454		3095
2455	warn "loading extensions";	3096	warn "loading extensions";
2456	cf::load_extensions;	3097	cf::load_extensions;
2457		3098
2458	warn "reattaching attachments to objects/players";	3099	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3100	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3101	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3102	reattach $_ for values %MAP;
		3103	warn "reattaching attachments to players";
		3104	reattach $_ for values %PLAYER;
2462		3105
2463	warn "restarting server ticker";	3106	warn "leaving sync_job";
2464		3107
2465	$TICK_WATCHER->start;	3108	1
2466	};	3109	} or do {
2467
2468	if ($@) {
2469	warn $@;	3110	warn $@;
2470	warn "error while reloading, exiting.";	3111	warn "error while reloading, exiting.";
2471	exit 1;	3112	exit 1;
2472	}	3113	};
2473		3114
2474	warn "reloaded";	3115	warn "reloaded";
2475	};	3116	};
2476		3117
2477	our $RELOAD_WATCHER; # used only during reload	3118	our $RELOAD_WATCHER; # used only during reload
2478		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 $RELOAD_WATCHER;
		3131	},
		3132	);
		3133	}
		3134
2479	register_command "reload" => sub {	3135	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3136	my ($who, $arg) = @_;
2481		3137
2482	if ($who->flag (FLAG_WIZ)) {	3138	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3139	$who->message ("reloading server.");
2484		3140	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	}	3141	}
2498	};	3142	};
2499		3143
2500	unshift @INC, $LIBDIR;	3144	unshift @INC, $LIBDIR;
2501		3145
2502	my $bug_warning = 0;	3146	my $bug_warning = 0;
2503		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;
2504	$TICK_WATCHER = Event->timer (	3171	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3172	reentrant => 0,
2506	parked => 1,	3173	parked => 1,
2507	prio => 0,	3174	prio => 0,
2508	at => $NEXT_TICK || $TICK,	3175	at => $NEXT_TICK || $TICK,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3180	unless ++$bug_warning > 10;
2514	return;	3181	return;
2515	}	3182	}
2516		3183
2517	$NOW = Event::time;	3184	$NOW = $tick_start = Event::time;
2518		3185
2519	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
2520	$RUNTIME += $TICK;	3211	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3212	$NEXT_TICK += $TICK;
2522		3213
2523	$WAIT_FOR_TICK->broadcast;	3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3216	Coro::async_pool {
2526	Event::sweep;	3217	write_runtime
2527	Coro::cede_notself;	3218	or warn "ERROR: unable to write runtime file: $!";
		3219	};
2528		3220	}
		3221
2529	# my $AFTER = Event::time;	3222	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3223	# warn $AFTER - $NOW;#d#
2531		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
2532	# 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
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3236
2535	$TICK_WATCHER->at ($NEXT_TICK);	3237	$TICK_WATCHER->at ($NEXT_TICK);
2536	$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
2537	},	3246	},
2538	);	3247	);
2539		3248
		3249	{
		3250	BDB::max_poll_time $TICK * 0.1;
		3251	$BDB_POLL_WATCHER = Event->io (
		3252	reentrant => 0,
		3253	fd => BDB::poll_fileno,
		3254	poll => 'r',
		3255	prio => 0,
		3256	data => WF_AUTOCANCEL,
		3257	cb => \&BDB::poll_cb,
		3258	);
		3259	BDB::min_parallel 8;
		3260
		3261	BDB::set_sync_prepare {
		3262	my $status;
		3263	my $current = $Coro::current;
		3264	(
		3265	sub {
		3266	$status = $!;
		3267	$current->ready; undef $current;
		3268	},
		3269	sub {
		3270	Coro::schedule while defined $current;
		3271	$! = $status;
		3272	},
		3273	)
		3274	};
		3275
		3276	unless ($DB_ENV) {
		3277	$DB_ENV = BDB::db_env_create;
		3278
		3279	cf::sync_job {
		3280	eval {
		3281	BDB::db_env_open
		3282	$DB_ENV,
		3283	$BDBDIR,
		3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3286	0666;
		3287
		3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3289
		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 $@;
		3295	};
		3296	}
		3297	}
		3298
		3299	{
		3300	IO::AIO::min_parallel 8;
		3301
		3302	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3303	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3304	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3305	reentrant => 0,
		3306	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3307	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3308	poll => 'r',
2547	prio => 6,	3309	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3310	cb => \&IO::AIO::poll_cb,
2550	);	3311	);
		3312	}
2551		3313
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3314	my $_log_backtrace;
2553	reentrant => 0,	3315
2554	data => WF_AUTOCANCEL,	3316	sub _log_backtrace {
2555	after => 1,	3317	my ($msg, @addr) = @_;
2556	interval => 10,	3318
2557	prio => 6, # keep it lowest so it acts like a watchdog	3319	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3320
2559	write_runtime	3321	# limit the # of concurrent backtraces
2560	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";
2561	},	3349	}
2562	);	3350	}
		3351
		3352	# load additional modules
		3353	use cf::pod;
2563		3354
2564	END { cf::emergency_save }	3355	END { cf::emergency_save }
2565		3356
2566	1	3357	1
2567		3358

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