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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		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;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	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
101	every server tick.	132	every server tick.
102		133
103	=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
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	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.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	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
124	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
125	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.
126	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.
127		177
128	=back	178	=back
129		179
130	=cut	180	=cut
131		181
132	BEGIN {	182	BEGIN {
133	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	184	my $msg = join "", @_;
135	utf8::encode $msg;
136		185
137	$msg .= "\n"	186	$msg .= "\n"
138	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
139		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		203
151	# 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
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$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;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
228	returned.	274	returned.
229		275
230	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
231	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
232		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
233	=cut	283	=cut
234		284
235	our %LOCK;	285	our %LOCK;
236		286
237	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
258	}	308	}
259	}	309	}
260		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
261	sub freeze_mainloop {	317	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
263		319
264	my $guard = Coro::guard {	320	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	322	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
271	}	325	}
272		326
273	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
280		334
281	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
282		336
283	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
284		338
285	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
288		343
289	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
292	fast or be very important.	347	fast or be very important.
…		…
295		350
296	sub sync_job(&) {	351	sub sync_job(&) {
297	my ($job) = @_;	352	my ($job) = @_;
298		353
299	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
300	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
302		359
303	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
315		372
316	while ($busy) {	373	while ($busy) {
317	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
318	}	375	}
319		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
320	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
321	} else {	385	} else {
322	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
323		387
324	$job->()	388	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
344		408
345	$coro	409	$coro
346	}	410	}
347		411
348	sub write_runtime {	412	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		413
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
352	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.
353		418
354	my $value = $cf::RUNTIME + 90 + 10;	419	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		420
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	421	sub _store_scalar {
359	and return;	422	open my $fh, ">", \my $buf
360		423	or die "fork_call: cannot open fh-to-buf in child : $!";
361	aio_fsync $fh	424	Storable::store_fd $_[0], $fh;
362	and return;
363
364	close $fh	425	close $fh;
365	or return;
366		426
367	aio_rename "$runtime~", $runtime	427	$buf
368	and return;	428	}
369		429
		430	sub fork_call(&@) {
		431	my ($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 $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
370	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		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 });
371	}	599	}
372		600
373	=back	601	=back
374		602
375	=cut	603	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
384		612
385	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>
386	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
387	crossfire+).	615	Crossfire TRT).
388		616
389	=over 4	617	=over 4
390		618
391	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
392		620
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
556		784
557	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		789
562	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	791	my $pkg = shift @arg;
564		792
565	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
595	}	823	}
596		824
597	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
598	} else {	826	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	828	}
601		829
602	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
603	}	831	}
604		832
…		…
606	if (ref $_[0]) {	834	if (ref $_[0]) {
607	_object_attach @_;	835	_object_attach @_;
608	} else {	836	} else {
609	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
610	}	838	}
		839	_recalc_want;
611	};	840	};
612		841
613	# all those should be optimised	842	# all those should be optimised
614	sub cf::attachable::detach {	843	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
619	reattach ($obj);	848	reattach ($obj);
620	} else {	849	} else {
621	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
622	}	851	}
		852	_recalc_want;
623	};	853	};
624		854
625	sub cf::attachable::attached {	855	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
627		857
…		…
642	";	872	";
643	die if $@;	873	die if $@;
644	}	874	}
645		875
646	our $override;	876	our $override;
647	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?
648		878
649	sub override {	879	sub override {
650	$override = 1;	880	$override = 1;
651	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
652	}	882	}
653		883
654	sub do_invoke {	884	sub do_invoke {
655	my $event = shift;	885	my $event = shift;
656	my $callbacks = shift;	886	my $callbacks = shift;
657		887
658	@invoke_results = ();	888	@INVOKE_RESULTS = ();
659		889
660	local $override;	890	local $override;
661		891
662	for (@$callbacks) {	892	for (@$callbacks) {
663	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
680		910
681	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
682		912
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		916
687	=back	917	=back
688		918
689	=cut	919	=cut
690		920
…		…
750	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
751		981
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	986	close $fh;
757		987
758	if (@$objs) {	988	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	994	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
766	}	996	}
767	} else {	997	} else {
768	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
800	or return;	1030	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1032	}
803		1033
804	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1036	return ($data, $av);
807	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
808		1044
809	#############################################################################	1045	#############################################################################
810	# command handling &c	1046	# command handling &c
811		1047
812	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1062	}
827		1063
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1065
830	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.
831		1071
832	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
833	called.	1073	called.
834		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
835	=cut	1086	=cut
836		1087
837	sub register_extcmd {	1088	sub register_extcmd {
838	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
839		1090
840	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
841	}	1098	}
842		1099
843	cf::player->attach (	1100	cf::player->attach (
844	on_command => sub {	1101	on_command => sub {
845	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1111	cf::override;
855	},	1112	},
856	on_extcmd => sub {	1113	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
858		1115
859	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1117
861	if (ref $msg) {	1118	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
870		1127
871	cf::override;	1128	cf::override;
872	},	1129	},
873	);	1130	);
874		1131
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
910	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1137	next unless -r $path;
912	eval {	1138
913	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;
914	1	1196	}
915	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
916	}	1202	};
917	}	1203	}
918		1204
919	#############################################################################	1205	#############################################################################
920		1206
		1207	=back
		1208
921	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
922		1210
923	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
924		1212
925	=cut	1213	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
938		1226
939	=cut	1227	=cut
940		1228
941	sub playerdir($) {	1229	sub playerdir($) {
942	cf::localdir	1230	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1232	}
948		1233
949	sub path($) {	1234	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1236
952	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
953	}	1238	}
954		1239
955	sub find_active($) {	1240	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1255	my $login = $_[0];
971		1256
972	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
973		1258
974	$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
975	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
976	or return;	1268	or return;
977	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
978	}	1270	}
979	}	1271	}
…		…
1016		1308
1017	=cut	1309	=cut
1018		1310
1019	sub quit_character {	1311	sub quit_character {
1020	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1021		1315
1022	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1023	$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
1024		1318
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1350	}
1037		1351
1038	=item cf::player::list_logins	1352	=item cf::player::list_logins
1039		1353
1040	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
1041	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1042		1356
1043	=cut	1357	=cut
1044		1358
1045	sub list_logins {	1359	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1361	or return [];
1048		1362
1049	my @logins;	1363	my @logins;
1050		1364
1051	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1068	=cut	1382	=cut
1069		1383
1070	sub maps($) {	1384	sub maps($) {
1071	my ($pl) = @_;	1385	my ($pl) = @_;
1072		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
		1388
1073	my $files = aio_readdir playerdir $pl	1389	my $files = aio_readdir playerdir $pl
1074	or return;	1390	or return;
1075		1391
1076	my @paths;	1392	my @paths;
1077		1393
1078	for (@$files) {	1394	for (@$files) {
1079	utf8::decode $_;	1395	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1396	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1397	next unless /^$PATH_SEP/o;
1082		1398
1083	s/\.map$//;	1399	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1400	}
1086		1401
1087	\@paths	1402	\@paths
1088	}	1403	}
1089		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
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1091		1456
1092	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1093		1458
1094	=cut	1459	=cut
1095		1460
1096	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1098		1463
1099	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1100		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1466	}
1103		1467
1104	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		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	$match
		1507	}
1105		1508
1106	=back	1509	=back
1107
1108		1510
1109	=head3 cf::map	1511	=head3 cf::map
1110		1512
1111	=over 4	1513	=over 4
1112		1514
…		…
1167	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1168		1570
1169	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1170	local $self->{path};	1572	local $self->{path};
1171	local $self->{load_path};	1573	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1574
1175	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1176	}	1576	}
1177		1577
1178	sub normalise {	1578	sub normalise {
1179	my ($path, $base) = @_;	1579	my ($path, $base) = @_;
1180		1580
1181	$path = "$path"; # make sure its a string	1581	$path = "$path"; # make sure its a string
		1582
		1583	$path =~ s/\.map$//;
1182		1584
1183	# map plan:	1585	# map plan:
1184	#	1586	#
1185	# /! non-realised random map exit (special hack!)	1587	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1588	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1224	return $self;	1626	return $self;
1225	}	1627	}
1226	}	1628	}
1227		1629
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1631	()
1230	}	1632	}
1231		1633
1232	sub init {	1634	sub init {
1233	my ($self) = @_;	1635	my ($self) = @_;
…		…
1248		1650
1249	# the original (read-only) location	1651	# the original (read-only) location
1250	sub load_path {	1652	sub load_path {
1251	my ($self) = @_;	1653	my ($self) = @_;
1252		1654
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1254	}	1656	}
1255		1657
1256	# the temporary/swap location	1658	# the temporary/swap location
1257	sub save_path {	1659	sub save_path {
1258	my ($self) = @_;	1660	my ($self) = @_;
1259		1661
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1262	}	1664	}
1263		1665
1264	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1265	sub uniq_path {	1667	sub uniq_path {
1266	my ($self) = @_;	1668	my ($self) = @_;
1267		1669
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1270	}	1672	}
1271		1673
1272	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1273	# all maps in C++...	1675	# all maps in C++...
1274	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1276		1678
1277	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1279	}	1681	}
1280		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
1281	sub unlink_save {	1691	sub unlink_save {
1282	my ($self) = @_;	1692	my ($self) = @_;
1283		1693
1284	utf8::encode (my $save = $self->save_path);	1694	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1698
1289	sub load_header_from($) {	1699	sub load_header_from($) {
1290	my ($self, $path) = @_;	1700	my ($self, $path) = @_;
1291		1701
1292	utf8::encode $path;	1702	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1703	#aio_open $path, O_RDONLY, 0
1294	or return;	1704	# or return;
1295		1705
1296	$self->_load_header ($path)	1706	$self->_load_header ($path)
1297	or return;	1707	or return;
1298		1708
1299	$self->{load_path} = $path;	1709	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1751	$self->load_header_orig
1342	or return;	1752	or return;
1343	$self->prepare_orig;	1753	$self->prepare_orig;
1344	}	1754	}
1345		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
1346	1	1762	1
1347	}	1763	}
1348		1764
1349	sub find;	1765	sub find;
1350	sub find {	1766	sub find {
…		…
1362	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1363		1779
1364	$map->load_header	1780	$map->load_header
1365	or return;	1781	or return;
1366		1782
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1786	$map->reset;
1371	undef $guard;	1787	undef $guard;
1372	return find $path;	1788	return find $path;
…		…
1383	my ($self) = @_;	1799	my ($self) = @_;
1384		1800
1385	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1386		1802
1387	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1388	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1389		1807
1390	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1391		1809
1392	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1393		1811
1394	$self->alloc;	1812	$self->alloc;
1395		1813
1396	$self->pre_load;	1814	$self->pre_load;
1397
1398	$self->_load_objects ($self->{load_path}, 1)
1399	or return;
1400
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402	if delete $self->{load_original};
1403
1404	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {
1407	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);
1409	}
1410	}
1411
1412	Coro::cede;
1413
1414	# now do the right thing for maps
1415	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;	1815	Coro::cede;
1422	$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;
1423	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	1835	unless $self->difficulty;
1425	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($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;
1426	$self->activate;	1845	$self->activate;
		1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1427	}	1849	}
1428		1850
1429	$self->post_load;	1851	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	1852	}
1433		1853
1434	sub customise_for {	1854	sub customise_for {
1435	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1436		1856
1437	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1439		1862
1440	$self	1863	$self
1441	}	1864	}
1442		1865
1443	# 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
…		…
1490		1913
1491	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1492	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1493	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1494	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1495	my $map = find $path	1918	if (my $map = find $path) {
1496	or next;
1497	$map->load;	1919	$map->load;
		1920	}
1498		1921
1499	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1500	}	1923	}
1501	}	1924	}
1502	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1554		1977
1555	sub reset_at {	1978	sub reset_at {
1556	my ($self) = @_;	1979	my ($self) = @_;
1557		1980
1558	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1561		1983
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564		1986
…		…
1575	my ($self) = @_;	1997	my ($self) = @_;
1576		1998
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2000
1579	return if $self->players;	2001	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		2002
1582	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	}
1583		2014
1584	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
1585		2016
1586	$self->in_memory (cf::MAP_SWAPPED);
1587	$self->clear;	2017	$self->clear;
1588		2018
1589	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1590		2020
1591	$self->unlink_save;	2021	$self->unlink_save;
…		…
1610	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1611		2041
1612	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1613	}	2043	}
1614		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
1615	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1616		2082
1617	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2084	instantiated unique items. May block.
1619		2085
1620	=cut	2086	=cut
1621		2087
1622	sub unique_maps() {	2088	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1624	or return;	2090	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2091	utf8::decode $_;
1630	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;
1632
1633	s/\.map$//;	2092	/\.map$/
1634	push @paths, $_;	2093	? normalise $_
		2094	: ()
		2095	} @{ aio_readdir $UNIQUEDIR or [] }
1635	}	2096	]
1636
1637	\@paths
1638	}	2097	}
1639		2098
1640	package cf;	2099	package cf;
1641		2100
1642	=back	2101	=back
…		…
1688		2147
1689	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690		2149
1691	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1692	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1693	} 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 {
1694	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1695	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1696	}	2169	}
1697	}	2170	}
1698		2171
1699	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1700		2173
…		…
1748	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1749		2222
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		2224
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1754		2227
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1756	}	2229	}
1757		2230
1758	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1760		2235
1761	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1762		2237
1763	unless ($map) {	2238	unless ($map) {
1764	# restore original map position	2239	# restore original map position
…		…
1782	$map->load;	2257	$map->load;
1783	$map->load_diag;	2258	$map->load_diag;
1784		2259
1785	return unless $self->contr->active;	2260	return unless $self->contr->active;
1786	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1788	}	2265	}
1789		2266
1790	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1791	on_logout => sub {
1792	my ($pl) = @_;
1793		2268
1794	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1795	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1796	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1797	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1798	};	2273	be called at the end of this process.
1799	}
1800	},
1801	on_login => sub {
1802	my ($pl) = @_;
1803		2274
1804	# try to abort aborted map switching on player login :)
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821
1822	=item $player_object->goto ($path, $x, $y)
1823
1824	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1825		2278
1826	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1827	my ($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;
1828		2284
1829	$self->enter_link;	2285	$self->enter_link;
1830		2286
1831	(async {	2287	(async {
1832	my $map = eval {	2288	my $map = eval {
1833	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1834	$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
1835	$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 $@;
1836	} or	2304	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1840	})->prio (1);	2312	})->prio (1);
1841	}	2313	}
1842		2314
1843	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1844		2316
…		…
1883		2355
1884	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1885		2357
1886	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1887	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2360	my $meta = "$RANDOMDIR/$md5.meta";
1889		2361
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2364	undef $fh;
1893	aio_rename "$meta~", $meta;	2365	aio_rename "$meta~", $meta;
…		…
1902		2374
1903	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1904		2376
1905	if ($exit->slaying eq "/!") {	2377	if ($exit->slaying eq "/!") {
1906	#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
1907	cf::sync_job { prepare_random_map $exit };	2381	cf::sync_job { prepare_random_map $exit };
1908	}	2382	}
1909		2383
1910	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;
1911	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
1912	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
1913		2387
1914	$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);
1915		2393
1916	(async {	2394	(async {
1917	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2396	unless (eval {
1919	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
1920		2398
1921	1;	2399	1;
1922	}) {	2400	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1924	. "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. "
1925	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2405
1928	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1929	$self->leave_link;	2407	$self->leave_link;
1930	}	2408	}
1931	})->prio (1);	2409	})->prio (1);
…		…
1944		2422
1945	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1947		2425
1948	utf8::encode $text;	2426	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2428	}
1951		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
		2470	=item $client->ext_event ($type, %msg)
		2471
		2472	Sends an ext event to the client.
		2473
		2474	=cut
		2475
		2476	sub cf::client::ext_event($$%) {
		2477	my ($self, $type, %msg) = @_;
		2478
		2479	return unless $self->extcmd;
		2480
		2481	$msg{msgtype} = "event_$type";
		2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2483	}
1952		2484
1953	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1954		2486
1955	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958		2490
1959	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
1960	reliable at some point in the future.	2492	become reliable at some point in the future.
1961		2493
1962	=cut	2494	=cut
1963		2495
1964	sub cf::client::query {	2496	sub cf::client::query {
1965	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
1973	utf8::encode $text;	2505	utf8::encode $text;
1974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975		2507
1976	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
1977	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
1978	}	2512	}
1979		2513
1980	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
1981	on_reply => sub {	2520	on_reply => sub {
1982	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
1983		2522
1984	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
1985	# get handled first	2524	# get handled first
1986	my $queue = delete $ns->{query_queue}	2525	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	2526	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		2527
1989	(shift @$queue)->[1]->($msg);	2528	(shift @$queue)->[1]->($msg);
		2529	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		2530
1991	push @{ $ns->{query_queue} }, @$queue;	2531	push @{ $ns->{query_queue} }, @$queue;
1992		2532
1993	if (@{ $ns->{query_queue} } == @$queue) {	2533	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	2534	if (@$queue) {
…		…
1996	} else {	2536	} else {
1997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998	}	2538	}
1999	}	2539	}
2000	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
2001	);	2559	);
2002		2560
2003	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
2004		2562
2005	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
2052		2610
2053	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
2054		2612
2055	=pod	2613	=pod
2056		2614
2057	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
2058		2616
2059	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
2060	cf::object::player player	2621	cf::object::player
2061	cf::player peaceful	2622	player
2062	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
2063		2629
2064	=cut	2630	=cut
2065		2631
2066	for (	2632	for (
2067	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
2068	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2069	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2070	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2071	) {	2638	) {
2072	no strict 'refs';	2639	no strict 'refs';
…		…
2143	=back	2710	=back
2144		2711
2145	=cut	2712	=cut
2146		2713
2147	#############################################################################	2714	#############################################################################
		2715	# the server's init and main functions
2148		2716
2149	=head2 EXTENSION DATABASE SUPPORT	2717	sub load_facedata($) {
		2718	my ($path) = @_;
2150		2719
2151	Crossfire maintains a very simple database for extension use. It can	2720	warn "loading facedata from $path\n";
2152	currently store anything that can be serialised using Storable, which
2153	excludes objects.
2154		2721
2155	The parameter C<$family> should best start with the name of the extension	2722	my $facedata;
2156	using it, it should be unique.	2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
2157		2725
2158	=over 4	2726	$facedata = Coro::Storable::thaw $facedata;
2159		2727
2160	=item $hashref = cf::db_get $family	2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
2161		2730
2162	Return a hashref for use by the extension C<$family>, which can be
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165
2166	=item $value = cf::db_get $family => $key
2167
2168	Returns a single value from the database
2169
2170	=item cf::db_put $family => $hashref
2171
2172	Stores the given family hashref into the database. Updates are delayed, if
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174
2175	=item cf::db_put $family => $key => $value
2176
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187
2188	=cut
2189
2190	our $DB;
2191
2192	{
2193	my $path = cf::localdir . "/database.pst";
2194
2195	sub db_load() {
2196	$DB = stat $path ? Storable::retrieve $path : { };
2197	}	2731	{
		2732	my $faces = $facedata->{faceinfo};
2198		2733
2199	my $pid;	2734	while (my ($face, $info) = each %$faces) {
		2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
		2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2200		2740
2201	sub db_save() {	2741	cf::cede_to_tick;
2202	waitpid $pid, 0 if $pid;
2203	if (0 == ($pid = fork)) {
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}
2209	}
2210
2211	my $dirty;
2212
2213	sub db_sync() {
2214	db_save if $dirty;
2215	undef $dirty;
2216	}
2217
2218	my $idle = Event->idle (
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {
2233	@_ >= 2
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237
2238	sub db_put($$;$) {
2239	if (@_ >= 3) {
2240	$DB->{$_[0]}{$_[1]} = $_[2];
2241	} else {
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246
2247	cf::global->attach (
2248	prio => 10000,
2249	on_cleanup => sub {
2250	db_sync;
2251	},	2742	}
2252	);
2253	}
2254		2743
2255	#############################################################################	2744	while (my ($face, $info) = each %$faces) {
2256	# the server's main()	2745	next unless $info->{smooth};
		2746	my $idx = cf::face::find $face
		2747	or next;
		2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
		2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2751	} else {
		2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2753	}
		2754
		2755	cf::cede_to_tick;
		2756	}
		2757	}
		2758
		2759	{
		2760	my $anims = $facedata->{animinfo};
		2761
		2762	while (my ($anim, $info) = each %$anims) {
		2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
		2798	}
		2799
		2800	1
		2801	}
		2802
		2803	sub reload_regions {
		2804	load_resource_file "$MAPDIR/regions"
		2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
		2811	}
		2812
		2813	sub reload_facedata {
		2814	load_facedata "$DATADIR/facedata"
		2815	or die "unable to load facedata\n";
		2816	}
		2817
		2818	sub reload_archetypes {
		2819	load_resource_file "$DATADIR/archetypes"
		2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
		2826	}
		2827
		2828	sub reload_treasures {
		2829	load_resource_file "$DATADIR/treasures"
		2830	or die "unable to load treasurelists\n";
		2831	}
		2832
		2833	sub reload_resources {
		2834	warn "reloading resource files...\n";
		2835
		2836	reload_regions;
		2837	reload_facedata;
		2838	#reload_archetypes;#d#
		2839	reload_archetypes;
		2840	reload_treasures;
		2841
		2842	warn "finished reloading resource files\n";
		2843	}
		2844
		2845	sub init {
		2846	reload_resources;
		2847	}
2257		2848
2258	sub cfg_load {	2849	sub cfg_load {
2259	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2260	or return;	2851	or return;
2261		2852
2262	local $/;	2853	local $/;
2263	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2264		2855
…		…
2284	Event::one_event;	2875	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	2876	})->prio (Coro::PRIO_MAX);
2286	};	2877	};
2287		2878
2288	cfg_load;	2879	cfg_load;
2289	db_load;	2880	db_init;
2290	load_extensions;	2881	load_extensions;
2291		2882
2292	$TICK_WATCHER->start;	2883	$TICK_WATCHER->start;
2293	Event::loop;	2884	Event::loop;
2294	}	2885	}
…		…
2309	},	2900	},
2310	);	2901	);
2311	}	2902	}
2312	}	2903	}
2313		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
		2941	}
		2942
2314	sub emergency_save() {	2943	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2316		2945
2317	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2318		2947
…		…
2333	my $map = $cf::MAP{$path} or next;	2962	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	2963	$map->valid or next;
2335	$map->save;	2964	$map->save;
2336	}	2965	}
2337	warn "end emergency map save\n";	2966	warn "end emergency map save\n";
		2967
		2968	warn "begin emergency database checkpoint\n";
		2969	BDB::db_env_txn_checkpoint $DB_ENV;
		2970	warn "end emergency database checkpoint\n";
2338	};	2971	};
2339		2972
2340	warn "leave emergency perl save\n";	2973	warn "leave emergency perl save\n";
2341	}	2974	}
2342		2975
		2976	sub post_cleanup {
		2977	my ($make_core) = @_;
		2978
		2979	warn Carp::longmess "post_cleanup backtrace"
		2980	if $make_core;
		2981	}
		2982
2343	sub reload() {	2983	sub do_reload_perl() {
2344	# can/must only be called in main	2984	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2346	warn "can only reload from main coroutine";	2986	warn "can only reload from main coroutine";
2347	return;	2987	return;
2348	}	2988	}
2349		2989
2350	warn "reloading...";	2990	warn "reloading...";
2351		2991
2352	warn "cancelling server ticker";	2992	warn "entering sync_job";
2353	$TICK_WATCHER->cancel;
2354		2993
		2994	cf::sync_job {
		2995	cf::write_runtime; # external watchdog should not bark
2355	cf::emergency_save;	2996	cf::emergency_save;
		2997	cf::write_runtime; # external watchdog should not bark
2356		2998
2357	eval {	2999	warn "syncing database to disk";
		3000	BDB::db_env_txn_checkpoint $DB_ENV;
		3001
2358	# if anything goes wrong in here, we should simply crash as we already saved	3002	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362		3003
2363	warn "cancelling all WF_AUTOCANCEL watchers";	3004	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {	3005	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;	3006	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}	3007	}
2367		3008
2368	warn "flushing outstanding aio requests";	3009	warn "flushing outstanding aio requests";
2369	for (;;) {	3010	for (;;) {
		3011	BDB::flush;
2370	IO::AIO::flush;	3012	IO::AIO::flush;
2371	Coro::cede;	3013	Coro::cede;
2372	last unless IO::AIO::nreqs;	3014	last unless IO::AIO::nreqs || BDB::nreqs;
2373	warn "iterate...";	3015	warn "iterate...";
2374	}	3016	}
		3017
		3018	++$RELOAD;
2375		3019
2376	warn "cancelling all extension coros";	3020	warn "cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	3022	%EXT_CORO = ();
2379		3023
2380	warn "removing commands";	3024	warn "removing commands";
2381	%COMMAND = ();	3025	%COMMAND = ();
2382		3026
2383	warn "removing ext commands";	3027	warn "removing ext/exti commands";
2384	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2385		3030
2386	warn "unloading/nuking all extensions";	3031	warn "unloading/nuking all extensions";
2387	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2388	warn "... unloading $pkg";	3033	warn "... unloading $pkg";
2389		3034
…		…
2419	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		3066
2422	warn "unloading cf.pm \"a bit\"";	3067	warn "unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2424		3070
2425	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2426	# and global variables created in xs	3072	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2428		3074
…		…
2432	require cf;	3078	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434		3080
2435	warn "loading config and database again";	3081	warn "loading config and database again";
2436	cf::cfg_load;	3082	cf::cfg_load;
2437	cf::db_load;
2438		3083
2439	warn "loading extensions";	3084	warn "loading extensions";
2440	cf::load_extensions;	3085	cf::load_extensions;
2441		3086
2442	warn "reattaching attachments to objects/players";	3087	warn "reattaching attachments to objects/players";
2443	_global_reattach;	3088	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	3089	warn "reattaching attachments to maps";
2445	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
		3091	warn "reattaching attachments to players";
		3092	reattach $_ for values %PLAYER;
2446		3093
2447	warn "restarting server ticker";	3094	warn "leaving sync_job";
2448		3095
2449	$TICK_WATCHER->start;	3096	1
2450	};	3097	} or do {
2451
2452	if ($@) {
2453	warn $@;	3098	warn $@;
2454	warn "error while reloading, exiting.";	3099	warn "error while reloading, exiting.";
2455	exit 1;	3100	exit 1;
2456	}	3101	};
2457		3102
2458	warn "reloaded";	3103	warn "reloaded";
2459	};	3104	};
2460		3105
2461	our $RELOAD_WATCHER; # used only during reload	3106	our $RELOAD_WATCHER; # used only during reload
2462		3107
		3108	sub reload_perl() {
		3109	# doing reload synchronously and two reloads happen back-to-back,
		3110	# coro crashes during coro_state_free->destroy here.
		3111
		3112	$RELOAD_WATCHER ||= Event->timer (
		3113	reentrant => 0,
		3114	after => 0,
		3115	data => WF_AUTOCANCEL,
		3116	cb => sub {
		3117	do_reload_perl;
		3118	undef $RELOAD_WATCHER;
		3119	},
		3120	);
		3121	}
		3122
2463	register_command "reload" => sub {	3123	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2465		3125
2466	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	3127	$who->message ("reloading server.");
2468		3128	async { reload_perl };
2469	# doing reload synchronously and two reloads happen back-to-back,
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);
2481	}	3129	}
2482	};	3130	};
2483		3131
2484	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2485		3133
2486	my $bug_warning = 0;	3134	my $bug_warning = 0;
2487		3135
		3136	our @WAIT_FOR_TICK;
		3137	our @WAIT_FOR_TICK_BEGIN;
		3138
		3139	sub wait_for_tick {
		3140	return unless $TICK_WATCHER->is_active;
		3141	return if $Coro::current == $Coro::main;
		3142
		3143	my $signal = new Coro::Signal;
		3144	push @WAIT_FOR_TICK, $signal;
		3145	$signal->wait;
		3146	}
		3147
		3148	sub wait_for_tick_begin {
		3149	return unless $TICK_WATCHER->is_active;
		3150	return if $Coro::current == $Coro::main;
		3151
		3152	my $signal = new Coro::Signal;
		3153	push @WAIT_FOR_TICK_BEGIN, $signal;
		3154	$signal->wait;
		3155	}
		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2488	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2489	reentrant => 0,	3160	reentrant => 0,
2490	parked => 1,	3161	parked => 1,
2491	prio => 0,	3162	prio => 0,
2492	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
…		…
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	3168	unless ++$bug_warning > 10;
2498	return;	3169	return;
2499	}	3170	}
2500		3171
2501	$NOW = Event::time;	3172	$NOW = $tick_start = Event::time;
2502		3173
2503	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
		3198
2504	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2506		3201
2507	$WAIT_FOR_TICK->broadcast;	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
2509		3204	Coro::async_pool {
2510	Event::sweep;	3205	write_runtime
2511	Coro::cede_notself;	3206	or warn "ERROR: unable to write runtime file: $!";
		3207	};
2512		3208	}
		3209
2513	# my $AFTER = Event::time;	3210	# my $AFTER = Event::time;
2514	# warn $AFTER - $NOW;#d#	3211	# warn $AFTER - $NOW;#d#
2515		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
		3221
2516	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2518		3224
2519	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
		3227
		3228	$LOAD = ($NOW - $tick_start) / $TICK;
		3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3230
		3231	_post_tick;
		3232
		3233
2521	},	3234	},
2522	);	3235	);
2523		3236
		3237	{
		3238	BDB::max_poll_time $TICK * 0.1;
		3239	$BDB_POLL_WATCHER = Event->io (
		3240	reentrant => 0,
		3241	fd => BDB::poll_fileno,
		3242	poll => 'r',
		3243	prio => 0,
		3244	data => WF_AUTOCANCEL,
		3245	cb => \&BDB::poll_cb,
		3246	);
		3247	BDB::min_parallel 8;
		3248
		3249	BDB::set_sync_prepare {
		3250	my $status;
		3251	my $current = $Coro::current;
		3252	(
		3253	sub {
		3254	$status = $!;
		3255	$current->ready; undef $current;
		3256	},
		3257	sub {
		3258	Coro::schedule while defined $current;
		3259	$! = $status;
		3260	},
		3261	)
		3262	};
		3263
		3264	unless ($DB_ENV) {
		3265	$DB_ENV = BDB::db_env_create;
		3266
		3267	cf::sync_job {
		3268	eval {
		3269	BDB::db_env_open
		3270	$DB_ENV,
		3271	$BDBDIR,
		3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3274	0666;
		3275
		3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3277
		3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3279	$DB_ENV->set_lk_detect;
		3280	};
		3281
		3282	cf::cleanup "db_env_open(db): $@" if $@;
		3283	};
		3284	}
		3285	}
		3286
		3287	{
		3288	IO::AIO::min_parallel 8;
		3289
		3290	undef $Coro::AIO::WATCHER;
2524	IO::AIO::max_poll_time $TICK * 0.1;	3291	IO::AIO::max_poll_time $TICK * 0.1;
2525
2526	undef $Coro::AIO::WATCHER;
2527	$AIO_POLL_WATCHER = Event->io (	3292	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,	3293	reentrant => 0,
		3294	data => WF_AUTOCANCEL,
2529	fd => IO::AIO::poll_fileno,	3295	fd => IO::AIO::poll_fileno,
2530	poll => 'r',	3296	poll => 'r',
2531	prio => 6,	3297	prio => 6,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,	3298	cb => \&IO::AIO::poll_cb,
2534	);	3299	);
		3300	}
2535		3301
2536	$WRITE_RUNTIME_WATCHER = Event->timer (	3302	my $_log_backtrace;
2537	reentrant => 0,	3303
2538	data => WF_AUTOCANCEL,	3304	sub _log_backtrace {
2539	after => 1,	3305	my ($msg, @addr) = @_;
2540	interval => 10,	3306
2541	prio => 6, # keep it lowest so it acts like a watchdog	3307	$msg =~ s/\n//;
2542	cb => Coro::unblock_sub {	3308
2543	write_runtime	3309	# limit the # of concurrent backtraces
2544	or warn "ERROR: unable to write runtime file: $!";	3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
2545	},	3337	}
2546	);	3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
2547		3342
2548	END { cf::emergency_save }	3343	END { cf::emergency_save }
2549		3344
2550	1	3345	1
2551		3346

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