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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.313 by root, Sun Jul 22 14:17:58 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;
53	our $USE_FSYNC; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
54		85
55	our %CFG;	86	our %CFG;
56		87
57	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	89	our $RUNTIME;
59		90
60	our %PLAYER; # all users	91	our %PLAYER; # all users
61	our %MAP; # all maps	92	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		94
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		101
71	binmode STDOUT;	102	binmode STDOUT;
72	binmode STDERR;	103	binmode STDERR;
73		104
74	# read virtual server time, if available	105	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
79	}	110	}
80		111
81	mkdir cf::localdir;	112	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		114
87	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
88		116
89	sub cf::map::normalise;	117	sub cf::map::normalise;
90		118
…		…
101	=item $cf::RUNTIME	129	=item $cf::RUNTIME
102		130
103	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
104	every server tick.	132	every server tick.
105		133
106	=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
107		137
108	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		142
111	=item $cf::NOW	143	=item $cf::NOW
112		144
113	The time of the last (current) server tick.	145	The time of the last (current) server tick.
114		146
115	=item $cf::TICK	147	=item $cf::TICK
116		148
117	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.
118		160
119	=item %cf::CFG	161	=item %cf::CFG
120		162
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	164	from wherever your confdir points to.
123		165
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		167
126	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
127	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
128	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.
129	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.
130		177
131	=back	178	=back
132		179
133	=cut	180	=cut
134		181
135	BEGIN {	182	BEGIN {
136	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	184	my $msg = join "", @_;
138	utf8::encode $msg;
139		185
140	$msg .= "\n"	186	$msg .= "\n"
141	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
142		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
143	LOG llevError, $msg;	192	LOG llevError, $msg;
144	};	193	};
145	}	194	}
146		195
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		203
154	# 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
155	# within the Safe compartment.	205	# within the Safe compartment.
156	for my $pkg (qw(	206	for my $pkg (qw(
157	cf::global cf::attachable	207	cf::global cf::attachable
…		…
165	}	215	}
166		216
167	$Event::DIED = sub {	217	$Event::DIED = sub {
168	warn "error in event callback: @_";	218	warn "error in event callback: @_";
169	};	219	};
		220
		221	#############################################################################
170		222
171	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
172		224
173	=over 4	225	=over 4
174		226
…		…
193	$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;
194	$d	246	$d
195	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
196	}	248	}
197		249
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
201		251
202	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
203		253
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
212		255
213	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
214		257
215	=cut	258	=cut
216		259
217	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
219	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
221		264
222	=item cf::lock_wait $string	265	=item cf::lock_wait $string
223		266
224	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
225		268
…		…
231	returned.	274	returned.
232		275
233	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
234	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
235		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
236	=cut	283	=cut
237		284
238	our %LOCK;	285	our %LOCK;
239		286
240	sub lock_wait($) {	287	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
261	}	308	}
262	}	309	}
263		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
264	sub freeze_mainloop {	317	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
266		319
267	my $guard = Coro::guard {	320	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	322	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
273	$guard	324	$guard
274	}	325	}
275		326
276	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
283		334
284	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
285		336
286	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
287		338
288	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
291		343
292	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
295	fast or be very important.	347	fast or be very important.
…		…
298		350
299	sub sync_job(&) {	351	sub sync_job(&) {
300	my ($job) = @_;	352	my ($job) = @_;
301		353
302	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
303	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
305		359
306	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
318		372
319	while ($busy) {	373	while ($busy) {
320	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
321	}	375	}
322		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
323	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
324	} else {	385	} else {
325	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
326		387
327	$job->()	388	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
347		408
348	$coro	409	$coro
349	}	410	}
350		411
351	sub write_runtime {	412	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		413
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
355	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.
356		418
357	my $value = $cf::RUNTIME + 90 + 10;	419	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		420
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	421	sub _store_scalar {
362	and return;	422	open my $fh, ">", \my $buf
363		423	or die "fork_call: cannot open fh-to-buf in child : $!";
364	# always fsync - this file is important	424	Storable::store_fd $_[0], $fh;
365	aio_fsync $fh
366	and return;
367
368	close $fh	425	close $fh;
369	or return;
370		426
371	aio_rename "$runtime~", $runtime	427	$buf
372	and return;	428	}
373		429
		430	sub fork_call(&@) {
		431	my ($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 $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
374	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		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 });
375	}	599	}
376		600
377	=back	601	=back
378		602
379	=cut	603	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
388		612
389	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>
390	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
391	crossfire+).	615	Crossfire TRT).
392		616
393	=over 4	617	=over 4
394		618
395	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
396		620
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
560		784
561	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		789
566	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	791	my $pkg = shift @arg;
568		792
569	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
599	}	823	}
600		824
601	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
602	} else {	826	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	828	}
605		829
606	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
607	}	831	}
608		832
…		…
610	if (ref $_[0]) {	834	if (ref $_[0]) {
611	_object_attach @_;	835	_object_attach @_;
612	} else {	836	} else {
613	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
614	}	838	}
		839	_recalc_want;
615	};	840	};
616		841
617	# all those should be optimised	842	# all those should be optimised
618	sub cf::attachable::detach {	843	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
623	reattach ($obj);	848	reattach ($obj);
624	} else {	849	} else {
625	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
626	}	851	}
		852	_recalc_want;
627	};	853	};
628		854
629	sub cf::attachable::attached {	855	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
631		857
…		…
646	";	872	";
647	die if $@;	873	die if $@;
648	}	874	}
649		875
650	our $override;	876	our $override;
651	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?
652		878
653	sub override {	879	sub override {
654	$override = 1;	880	$override = 1;
655	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
656	}	882	}
657		883
658	sub do_invoke {	884	sub do_invoke {
659	my $event = shift;	885	my $event = shift;
660	my $callbacks = shift;	886	my $callbacks = shift;
661		887
662	@invoke_results = ();	888	@INVOKE_RESULTS = ();
663		889
664	local $override;	890	local $override;
665		891
666	for (@$callbacks) {	892	for (@$callbacks) {
667	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
684		910
685	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
686		912
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		916
691	=back	917	=back
692		918
693	=cut	919	=cut
694		920
695	#############################################################################	921	#############################################################################
696	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
697		934
698	sub reattach {	935	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	937	my ($obj) = @_;
701		938
…		…
778	}	1015	}
779	} else {	1016	} else {
780	aio_unlink $filename;	1017	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1018	aio_unlink "$filename.pst";
782	}	1019	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1020	}
790	}	1021	}
791		1022
792	sub object_freezer_as_string {	1023	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1024	my ($rdata, $objs) = @_;
…		…
799		1030
800	sub object_thawer_load {	1031	sub object_thawer_load {
801	my ($filename) = @_;	1032	my ($filename) = @_;
802		1033
803	my ($data, $av);	1034	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1035
808	(aio_load $filename, $data) >= 0	1036	(aio_load $filename, $data) >= 0
809	or return;	1037	or return;
810		1038
811	unless (aio_stat "$filename.pst") {	1039	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1041	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1043	}
816		1044
817	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1047	return ($data, $av);
820	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
821		1055
822	#############################################################################	1056	#############################################################################
823	# command handling &c	1057	# command handling &c
824		1058
825	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1073	}
840		1074
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1076
843	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
844		1082
845	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
846	called.	1084	called.
847		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
848	=cut	1097	=cut
849		1098
850	sub register_extcmd {	1099	sub register_extcmd {
851	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
852		1101
853	$EXTCMD{$name} = $cb;	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
854	}	1109	}
855		1110
856	cf::player->attach (	1111	cf::player->attach (
857	on_command => sub {	1112	on_command => sub {
858	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1122	cf::override;
868	},	1123	},
869	on_extcmd => sub {	1124	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
871		1126
872	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1128
874	if (ref $msg) {	1129	if (ref $msg) {
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
876	if (my %reply = $cb->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
877	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
883		1138
884	cf::override;	1139	cf::override;
885	},	1140	},
886	);	1141	);
887		1142
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
923	for my $ext (<$LIBDIR/*.ext>) {	1147	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1148	next unless -r $path;
925	eval {	1149
926	load_extension $ext;	1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
927	1	1207	}
928	} or warn "$ext not loaded: $@";	1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
929	}	1213	};
930	}	1214	}
931		1215
932	#############################################################################	1216	#############################################################################
933		1217
		1218	=back
		1219
934	=head2 CORE EXTENSIONS	1220	=head2 CORE EXTENSIONS
935		1221
936	Functions and methods that extend core crossfire objects.	1222	Functions and methods that extend core crossfire objects.
937		1223
938	=cut	1224	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1236	Returns the given player object, loading it if necessary (might block).
951		1237
952	=cut	1238	=cut
953		1239
954	sub playerdir($) {	1240	sub playerdir($) {
955	cf::localdir	1241	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1242	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1243	}
961		1244
962	sub path($) {	1245	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1246	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1247
965	(playerdir $login) . "/$login.pl"	1248	(playerdir $login) . "/playerdata"
966	}	1249	}
967		1250
968	sub find_active($) {	1251	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1252	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1253	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1266	my $login = $_[0];
984		1267
985	my $guard = cf::lock_acquire "user_find:$login";	1268	my $guard = cf::lock_acquire "user_find:$login";
986		1269
987	$cf::PLAYER{$_[0]} || do {	1270	$cf::PLAYER{$_[0]} || do {
		1271	# rename old playerfiles to new ones
		1272	#TODO: remove when no longer required
		1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1276	aio_unlink +(playerdir $login) . "/$login.pl";
		1277
988	my $pl = load_pl path $login	1278	my $pl = load_pl path $login
989	or return;	1279	or return;
990	$cf::PLAYER{$login} = $pl	1280	$cf::PLAYER{$login} = $pl
991	}	1281	}
992	}	1282	}
…		…
1029		1319
1030	=cut	1320	=cut
1031		1321
1032	sub quit_character {	1322	sub quit_character {
1033	my ($pl) = @_;	1323	my ($pl) = @_;
		1324
		1325	my $name = $pl->ob->name;
1034		1326
1035	$pl->{deny_save} = 1;	1327	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1328	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1329
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1335	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1336	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1337	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1338	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1339	$pl->destroy;
		1340
		1341	my $prefix = qr<^~\Q$name\E/>;
		1342
		1343	# nuke player maps
		1344	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1345
1048	IO::AIO::aio_rmtree $temp;	1346	IO::AIO::aio_rmtree $temp;
		1347	}
		1348
		1349	=item $pl->kick
		1350
		1351	Kicks a player out of the game. This destroys the connection.
		1352
		1353	=cut
		1354
		1355	sub kick {
		1356	my ($pl, $kicker) = @_;
		1357
		1358	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1359	$pl->killer ("kicked");
		1360	$pl->ns->destroy;
1049	}	1361	}
1050		1362
1051	=item cf::player::list_logins	1363	=item cf::player::list_logins
1052		1364
1053	Returns am arrayref of all valid playernames in the system, can take a	1365	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1366	while and may block, so not sync_job-capable, ever.
1055		1367
1056	=cut	1368	=cut
1057		1369
1058	sub list_logins {	1370	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1371	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1372	or return [];
1061		1373
1062	my @logins;	1374	my @logins;
1063		1375
1064	for my $login (@$dirs) {	1376	for my $login (@$dirs) {
…		…
1099	}	1411	}
1100		1412
1101	\@paths	1413	\@paths
1102	}	1414	}
1103		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1466	=item $player->ext_reply ($msgid, %msg)
1105		1467
1106	Sends an ext reply to the player.	1468	Sends an ext reply to the player.
1107		1469
1108	=cut	1470	=cut
1109		1471
1110	sub ext_reply($$$%) {	1472	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1473	my ($self, $id, %msg) = @_;
1112		1474
1113	$msg{msgid} = $id;	1475	$msg{msgid} = $id;
1114		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1477	}
1117		1478
1118	package cf;	1479	=item $player->ext_event ($type, %msg)
		1480
		1481	Sends an ext event to the client.
		1482
		1483	=cut
		1484
		1485	sub ext_event($$%) {
		1486	my ($self, $type, %msg) = @_;
		1487
		1488	$self->ns->ext_event ($type, %msg);
		1489	}
		1490
		1491	=head3 cf::region
		1492
		1493	=over 4
		1494
		1495	=cut
		1496
		1497	package cf::region;
		1498
		1499	=item cf::region::find_by_path $path
		1500
		1501	Tries to decuce the likely region for a map knowing only its path.
		1502
		1503	=cut
		1504
		1505	sub find_by_path($) {
		1506	my ($path) = @_;
		1507
		1508	my ($match, $specificity);
		1509
		1510	for my $region (list) {
		1511	if ($region->{match} && $path =~ $region->{match}) {
		1512	($match, $specificity) = ($region, $region->specificity)
		1513	if $region->specificity > $specificity;
		1514	}
		1515	}
		1516
		1517	$match
		1518	}
1119		1519
1120	=back	1520	=back
1121
1122		1521
1123	=head3 cf::map	1522	=head3 cf::map
1124		1523
1125	=over 4	1524	=over 4
1126		1525
…		…
1181	my ($self, $merge) = @_;	1580	my ($self, $merge) = @_;
1182		1581
1183	# we have to keep some variables in memory intact	1582	# we have to keep some variables in memory intact
1184	local $self->{path};	1583	local $self->{path};
1185	local $self->{load_path};	1584	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1585
1189	$self->SUPER::thawer_merge ($merge);	1586	$self->SUPER::thawer_merge ($merge);
1190	}	1587	}
1191		1588
1192	sub normalise {	1589	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1636	$self->init; # pass $1 etc.
1240	return $self;	1637	return $self;
1241	}	1638	}
1242	}	1639	}
1243		1640
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1642	()
1246	}	1643	}
1247		1644
1248	sub init {	1645	sub init {
1249	my ($self) = @_;	1646	my ($self) = @_;
…		…
1264		1661
1265	# the original (read-only) location	1662	# the original (read-only) location
1266	sub load_path {	1663	sub load_path {
1267	my ($self) = @_;	1664	my ($self) = @_;
1268		1665
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1666	"$MAPDIR/$self->{path}.map"
1270	}	1667	}
1271		1668
1272	# the temporary/swap location	1669	# the temporary/swap location
1273	sub save_path {	1670	sub save_path {
1274	my ($self) = @_;	1671	my ($self) = @_;
1275		1672
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1674	"$TMPDIR/$path.map"
1278	}	1675	}
1279		1676
1280	# the unique path, undef == no special unique path	1677	# the unique path, undef == no special unique path
1281	sub uniq_path {	1678	sub uniq_path {
1282	my ($self) = @_;	1679	my ($self) = @_;
1283		1680
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1682	"$UNIQUEDIR/$path"
1286	}	1683	}
1287		1684
1288	# and all this just because we cannot iterate over	1685	# and all this just because we cannot iterate over
1289	# all maps in C++...	1686	# all maps in C++...
1290	sub change_all_map_light {	1687	sub change_all_map_light {
…		…
1292		1689
1293	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
1295	}	1692	}
1296		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
		1700	}
		1701
1297	sub unlink_save {	1702	sub unlink_save {
1298	my ($self) = @_;	1703	my ($self) = @_;
1299		1704
1300	utf8::encode (my $save = $self->save_path);	1705	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1706	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1707	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1708	}
1309		1709
1310	sub load_header_from($) {	1710	sub load_header_from($) {
1311	my ($self, $path) = @_;	1711	my ($self, $path) = @_;
1312		1712
…		…
1362	$self->load_header_orig	1762	$self->load_header_orig
1363	or return;	1763	or return;
1364	$self->prepare_orig;	1764	$self->prepare_orig;
1365	}	1765	}
1366		1766
		1767	$self->{deny_reset} = 1
		1768	if $self->no_reset;
		1769
		1770	$self->default_region (cf::region::find_by_path $self->{path})
		1771	unless $self->default_region;
		1772
1367	1	1773	1
1368	}	1774	}
1369		1775
1370	sub find;	1776	sub find;
1371	sub find {	1777	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1789	$map->{last_save} = $cf::RUNTIME;
1384		1790
1385	$map->load_header	1791	$map->load_header
1386	or return;	1792	or return;
1387		1793
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1795	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1796	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1797	$map->reset;
1392	undef $guard;	1798	undef $guard;
1393	return find $path;	1799	return find $path;
…		…
1404	my ($self) = @_;	1810	my ($self) = @_;
1405		1811
1406	local $self->{deny_reset} = 1; # loading can take a long time	1812	local $self->{deny_reset} = 1; # loading can take a long time
1407		1813
1408	my $path = $self->{path};	1814	my $path = $self->{path};
		1815
		1816	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1817	my $guard = cf::lock_acquire "map_load:$path";
1410		1818
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1819	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1820
1413	$self->in_memory (cf::MAP_LOADING);	1821	$self->in_memory (cf::MAP_LOADING);
1414		1822
1415	$self->alloc;	1823	$self->alloc;
1416		1824
1417	$self->pre_load;	1825	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1826	Coro::cede;
1443	$self->set_darkness_map;	1827
		1828	$self->_load_objects ($self->{load_path}, 1)
		1829	or return;
		1830
		1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1832	if delete $self->{load_original};
		1833
		1834	if (my $uniq = $self->uniq_path) {
		1835	utf8::encode $uniq;
		1836	if (aio_open $uniq, O_RDONLY, 0) {
		1837	$self->clear_unique_items;
		1838	$self->_load_objects ($uniq, 0);
		1839	}
		1840	}
		1841
		1842	Coro::cede;
		1843	# now do the right thing for maps
		1844	$self->link_multipart_objects;
1444	$self->difficulty ($self->estimate_difficulty)	1845	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1846	unless $self->difficulty;
1446	Coro::cede;	1847	Coro::cede;
		1848
		1849	unless ($self->{deny_activate}) {
		1850	$self->decay_objects;
		1851	$self->fix_auto_apply;
		1852	$self->update_buttons;
		1853	Coro::cede;
		1854	$self->set_darkness_map;
		1855	Coro::cede;
1447	$self->activate;	1856	$self->activate;
		1857	}
		1858
		1859	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1860	}
1449		1861
1450	$self->post_load;	1862	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1863	}
1454		1864
1455	sub customise_for {	1865	sub customise_for {
1456	my ($self, $ob) = @_;	1866	my ($self, $ob) = @_;
1457		1867
1458	return find "~" . $ob->name . "/" . $self->{path}	1868	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
1460		1873
1461	$self	1874	$self
1462	}	1875	}
1463		1876
1464	# find and load all maps in the 3x3 area around a map	1877	# find and load all maps in the 3x3 area around a map
…		…
1511		1924
1512	undef $MAP_PREFETCH{$path};	1925	undef $MAP_PREFETCH{$path};
1513	$MAP_PREFETCHER ||= cf::async {	1926	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	1927	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	1928	for my $path (keys %MAP_PREFETCH) {
1516	my $map = find $path	1929	if (my $map = find $path) {
1517	or next;
1518	$map->load;	1930	$map->load;
		1931	}
1519		1932
1520	delete $MAP_PREFETCH{$path};	1933	delete $MAP_PREFETCH{$path};
1521	}	1934	}
1522	}	1935	}
1523	undef $MAP_PREFETCHER;	1936	undef $MAP_PREFETCHER;
…		…
1575		1988
1576	sub reset_at {	1989	sub reset_at {
1577	my ($self) = @_;	1990	my ($self) = @_;
1578		1991
1579	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1582		1994
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		1997
…		…
1596	my ($self) = @_;	2008	my ($self) = @_;
1597		2009
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2011
1600	return if $self->players;	2012	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2013
1603	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
		2015
		2016	$self->in_memory (cf::MAP_SWAPPED);
		2017
		2018	# need to save uniques path
		2019	unless ($self->{deny_save}) {
		2020	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2021
		2022	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2023	if $uniq;
		2024	}
1604		2025
1605	delete $cf::MAP{$self->path};	2026	delete $cf::MAP{$self->path};
1606		2027
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2028	$self->clear;
1609		2029
1610	$_->clear_links_to ($self) for values %cf::MAP;	2030	$_->clear_links_to ($self) for values %cf::MAP;
1611		2031
1612	$self->unlink_save;	2032	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	2051	$cf::MAP{$self->path} = $self;
1632		2052
1633	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
1634	}	2054	}
1635		2055
		2056	=item $maps = cf::map::tmp_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
		2072	}
		2073
		2074	=item $maps = cf::map::random_maps
		2075
		2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
		2078
		2079	=cut
		2080
		2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
		2090	}
		2091
1636	=item cf::map::unique_maps	2092	=item cf::map::unique_maps
1637		2093
1638	Returns an arrayref of paths of all shared maps that have	2094	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2095	instantiated unique items. May block.
1640		2096
1641	=cut	2097	=cut
1642		2098
1643	sub unique_maps() {	2099	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2100	[
1645	or return;	2101	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2102	utf8::decode $_;
1651	next if /\.pst$/;	2103	/\.map$/
1652	next unless /^$PATH_SEP/o;	2104	? normalise $_
1653		2105	: ()
1654	push @paths, cf::map::normalise $_;	2106	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2107	]
1656
1657	\@paths
1658	}	2108	}
1659		2109
1660	package cf;	2110	package cf;
1661		2111
1662	=back	2112	=back
…		…
1708		2158
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2160
1711	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1713	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1716	}	2180	}
1717	}	2181	}
1718		2182
1719	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1720		2184
…		…
1768	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1769		2233
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2235
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1774		2238
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2240	}
1777		2241
1778	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1780		2246
1781	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1782		2248
1783	unless ($map) {	2249	unless ($map) {
1784	# restore original map position	2250	# restore original map position
…		…
1802	$map->load;	2268	$map->load;
1803	$map->load_diag;	2269	$map->load_diag;
1804		2270
1805	return unless $self->contr->active;	2271	return unless $self->contr->active;
1806	$self->activate_recursive;	2272	$self->activate_recursive;
		2273
		2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1808	}	2276	}
1809		2277
1810	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2279
1814	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1818	};	2284	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2285
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2286	=cut
		2287
		2288	our $GOTOGEN;
1845		2289
1846	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
		2292
		2293	# do generation counting so two concurrent goto's will be executed in-order
		2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2295
1849	$self->enter_link;	2296	$self->enter_link;
1850		2297
1851	(async {	2298	(async {
1852	my $map = eval {	2299	my $map = eval {
1853	my $map = cf::map::find $path;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
		2304	$map = $check->($map) if $check && $map;
		2305	} else {
		2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
		2308
1855	$map	2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2315	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1860	})->prio (1);	2323	})->prio (1);
1861	}	2324	}
1862		2325
1863	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1864		2327
…		…
1903		2366
1904	$rmp->{random_seed} ||= $exit->random_seed;	2367	$rmp->{random_seed} ||= $exit->random_seed;
1905		2368
1906	my $data = cf::to_json $rmp;	2369	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2370	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2371	my $meta = "$RANDOMDIR/$md5.meta";
1909		2372
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2374	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2375	undef $fh;
1913	aio_rename "$meta~", $meta;	2376	aio_rename "$meta~", $meta;
…		…
1922		2385
1923	return unless $self->type == cf::PLAYER;	2386	return unless $self->type == cf::PLAYER;
1924		2387
1925	if ($exit->slaying eq "/!") {	2388	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2390	# the problem is that $exit might not survive long enough
		2391	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2392	cf::sync_job { prepare_random_map $exit };
1928	}	2393	}
1929		2394
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2396	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2397	my $sp = $exit->stats->sp;
1933		2398
1934	$self->enter_link;	2399	$self->enter_link;
		2400
		2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
1935		2404
1936	(async {	2405	(async {
1937	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2407	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2408	$self->goto ($slaying, $hp, $sp);
1940		2409
1941	1;	2410	1;
1942	}) {	2411	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2412	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2413	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2414	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2415	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2416
1948	warn "ERROR in enter_exit: $@";	2417	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2418	$self->leave_link;
1950	}	2419	}
1951	})->prio (1);	2420	})->prio (1);
…		…
1964		2433
1965	sub cf::client::send_drawinfo {	2434	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2435	my ($self, $text, $flags) = @_;
1967		2436
1968	utf8::encode $text;	2437	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2439	}
1971		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	$color &= ~cf::NDI_UNIQUE; # just in case...
		2456
		2457	if (ref $channel) {
		2458	# send meta info to client, if not yet sent
		2459	unless (exists $self->{channel}{$channel->{id}}) {
		2460	$self->{channel}{$channel->{id}} = $channel;
		2461	$self->ext_event (channel_info => %$channel);
		2462	}
		2463
		2464	$channel = $channel->{id};
		2465	}
		2466
		2467	return unless @extra || length $msg;
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
		2493	=item $client->ext_event ($type, %msg)
		2494
		2495	Sends an ext event to the client.
		2496
		2497	=cut
		2498
		2499	sub cf::client::ext_event($$%) {
		2500	my ($self, $type, %msg) = @_;
		2501
		2502	return unless $self->extcmd;
		2503
		2504	$msg{msgtype} = "event_$type";
		2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2506	}
1972		2507
1973	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
1974		2509
1975	Queues a query to the client, calling the given callback with	2510	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2511	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2513
1979	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2515	become reliable at some point in the future.
1981		2516
1982	=cut	2517	=cut
1983		2518
1984	sub cf::client::query {	2519	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2528	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2530
1996	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
1998	}	2535	}
1999		2536
2000	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
2001	on_reply => sub {	2543	on_reply => sub {
2002	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
2003		2545
2004	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
2005	# get handled first	2547	# get handled first
…		…
2017	} else {	2559	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2561	}
2020	}	2562	}
2021	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
2022	);	2582	);
2023		2583
2024	=item $client->async (\&cb)	2584	=item $client->async (\&cb)
2025		2585
2026	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		2633
2074	# here we export the classes and methods available to script code	2634	# here we export the classes and methods available to script code
2075		2635
2076	=pod	2636	=pod
2077		2637
2078	The following fucntions and emthods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
2079		2639
2080	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
2081	cf::object::player player	2644	cf::object::player
2082	cf::player peaceful	2645	player
2083	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
2084		2652
2085	=cut	2653	=cut
2086		2654
2087	for (	2655	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
2089	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
2092	) {	2661	) {
2093	no strict 'refs';	2662	no strict 'refs';
…		…
2164	=back	2733	=back
2165		2734
2166	=cut	2735	=cut
2167		2736
2168	#############################################################################	2737	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2738	# the server's init and main functions
2278		2739
2279	sub load_resources {	2740	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2741	my ($path) = @_;
		2742
		2743	warn "loading facedata from $path\n";
		2744
		2745	my $facedata;
		2746	0 < aio_load $path, $facedata
		2747	or die "$path: $!";
		2748
		2749	$facedata = Coro::Storable::thaw $facedata;
		2750
		2751	$facedata->{version} == 2
		2752	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2753
		2754	{
		2755	my $faces = $facedata->{faceinfo};
		2756
		2757	while (my ($face, $info) = each %$faces) {
		2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
		2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2763
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	while (my ($face, $info) = each %$faces) {
		2768	next unless $info->{smooth};
		2769	my $idx = cf::face::find $face
		2770	or next;
		2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
		2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2774	} else {
		2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2776	}
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	{
		2783	my $anims = $facedata->{animinfo};
		2784
		2785	while (my ($anim, $info) = each %$anims) {
		2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2787	cf::cede_to_tick;
		2788	}
		2789
		2790	cf::anim::invalidate_all; # d'oh
		2791	}
		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
		2821	}
		2822
		2823	1
		2824	}
		2825
		2826	sub reload_regions {
		2827	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
		2834	}
		2835
		2836	sub reload_facedata {
		2837	load_facedata "$DATADIR/facedata"
		2838	or die "unable to load facedata\n";
		2839	}
		2840
		2841	sub reload_archetypes {
		2842	load_resource_file "$DATADIR/archetypes"
		2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
		2849	}
		2850
		2851	sub reload_treasures {
		2852	load_resource_file "$DATADIR/treasures"
		2853	or die "unable to load treasurelists\n";
		2854	}
		2855
		2856	sub reload_resources {
		2857	warn "reloading resource files...\n";
		2858
		2859	reload_regions;
		2860	reload_facedata;
		2861	#reload_archetypes;#d#
		2862	reload_archetypes;
		2863	reload_treasures;
		2864
		2865	warn "finished reloading resource files\n";
		2866	}
		2867
		2868	sub init {
		2869	reload_resources;
2282	}	2870	}
2283		2871
2284	sub cfg_load {	2872	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2873	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2874	or return;
2287		2875
2288	local $/;	2876	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2877	*CFG = YAML::Syck::Load <$fh>;
2290		2878
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2886	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2887	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2888	};
2301	warn $@ if $@;	2889	warn $@ if $@;
2302	}	2890	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2891	}
2308		2892
2309	sub main {	2893	sub main {
2310	# we must not ever block the main coroutine	2894	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2895	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2898	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2899	})->prio (Coro::PRIO_MAX);
2316	};	2900	};
2317		2901
2318	cfg_load;	2902	cfg_load;
2319	db_load;	2903	db_init;
2320	load_extensions;	2904	load_extensions;
2321		2905
2322	$TICK_WATCHER->start;	2906	$TICK_WATCHER->start;
2323	Event::loop;	2907	Event::loop;
2324	}	2908	}
…		…
2339	},	2923	},
2340	);	2924	);
2341	}	2925	}
2342	}	2926	}
2343		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
		2964	}
		2965
2344	sub emergency_save() {	2966	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	2967	my $freeze_guard = cf::freeze_mainloop;
2346		2968
2347	warn "enter emergency perl save\n";	2969	warn "enter emergency perl save\n";
2348		2970
…		…
2363	my $map = $cf::MAP{$path} or next;	2985	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2986	$map->valid or next;
2365	$map->save;	2987	$map->save;
2366	}	2988	}
2367	warn "end emergency map save\n";	2989	warn "end emergency map save\n";
		2990
		2991	warn "begin emergency database checkpoint\n";
		2992	BDB::db_env_txn_checkpoint $DB_ENV;
		2993	warn "end emergency database checkpoint\n";
2368	};	2994	};
2369		2995
2370	warn "leave emergency perl save\n";	2996	warn "leave emergency perl save\n";
2371	}	2997	}
2372		2998
		2999	sub post_cleanup {
		3000	my ($make_core) = @_;
		3001
		3002	warn Carp::longmess "post_cleanup backtrace"
		3003	if $make_core;
		3004	}
		3005
2373	sub reload() {	3006	sub do_reload_perl() {
2374	# can/must only be called in main	3007	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3008	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3009	warn "can only reload from main coroutine";
2377	return;	3010	return;
2378	}	3011	}
2379		3012
2380	warn "reloading...";	3013	warn "reloading...";
2381		3014
2382	warn "cancelling server ticker";	3015	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3016
		3017	cf::sync_job {
		3018	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3019	cf::emergency_save;
		3020	cf::write_runtime; # external watchdog should not bark
2386		3021
2387	eval {	3022	warn "syncing database to disk";
		3023	BDB::db_env_txn_checkpoint $DB_ENV;
		3024
2388	# if anything goes wrong in here, we should simply crash as we already saved	3025	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3026
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3027	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3028	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3029	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3030	}
2397		3031
2398	warn "flushing outstanding aio requests";	3032	warn "flushing outstanding aio requests";
2399	for (;;) {	3033	for (;;) {
		3034	BDB::flush;
2400	IO::AIO::flush;	3035	IO::AIO::flush;
2401	Coro::cede;	3036	Coro::cede;
2402	last unless IO::AIO::nreqs;	3037	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3038	warn "iterate...";
2404	}	3039	}
		3040
		3041	++$RELOAD;
2405		3042
2406	warn "cancelling all extension coros";	3043	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3044	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3045	%EXT_CORO = ();
2409		3046
2410	warn "removing commands";	3047	warn "removing commands";
2411	%COMMAND = ();	3048	%COMMAND = ();
2412		3049
2413	warn "removing ext commands";	3050	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3051	%EXTCMD = ();
		3052	%EXTICMD = ();
2415		3053
2416	warn "unloading/nuking all extensions";	3054	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3055	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3056	warn "... unloading $pkg";
2419		3057
…		…
2449	Symbol::delete_package "safe::$_"	3087	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3089
2452	warn "unloading cf.pm \"a bit\"";	3090	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3091	delete $INC{"cf.pm"};
		3092	delete $INC{"cf/pod.pm"};
2454		3093
2455	# don't, removes xs symbols, too,	3094	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3095	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3096	#Symbol::delete_package __PACKAGE__;
2458		3097
…		…
2462	require cf;	3101	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3103
2465	warn "loading config and database again";	3104	warn "loading config and database again";
2466	cf::cfg_load;	3105	cf::cfg_load;
2467	cf::db_load;
2468		3106
2469	warn "loading extensions";	3107	warn "loading extensions";
2470	cf::load_extensions;	3108	cf::load_extensions;
2471		3109
2472	warn "reattaching attachments to objects/players";	3110	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3111	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3112	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3113	reattach $_ for values %MAP;
		3114	warn "reattaching attachments to players";
		3115	reattach $_ for values %PLAYER;
2476		3116
2477	warn "loading reloadable resources";	3117	warn "leaving sync_job";
2478	load_resources;
2479		3118
2480	warn "restarting server ticker";	3119	1
2481		3120	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3121	warn $@;
2487	warn "error while reloading, exiting.";	3122	warn "error while reloading, exiting.";
2488	exit 1;	3123	exit 1;
2489	}	3124	};
2490		3125
2491	warn "reloaded";	3126	warn "reloaded";
2492	};	3127	};
2493		3128
2494	our $RELOAD_WATCHER; # used only during reload	3129	our $RELOAD_WATCHER; # used only during reload
2495		3130
		3131	sub reload_perl() {
		3132	# doing reload synchronously and two reloads happen back-to-back,
		3133	# coro crashes during coro_state_free->destroy here.
		3134
		3135	$RELOAD_WATCHER ||= Event->timer (
		3136	reentrant => 0,
		3137	after => 0,
		3138	data => WF_AUTOCANCEL,
		3139	cb => sub {
		3140	do_reload_perl;
		3141	undef $RELOAD_WATCHER;
		3142	},
		3143	);
		3144	}
		3145
2496	register_command "reload" => sub {	3146	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3147	my ($who, $arg) = @_;
2498		3148
2499	if ($who->flag (FLAG_WIZ)) {	3149	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3150	$who->message ("reloading server.");
2501		3151	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3152	}
2515	};	3153	};
2516		3154
2517	unshift @INC, $LIBDIR;	3155	unshift @INC, $LIBDIR;
2518		3156
2519	my $bug_warning = 0;	3157	my $bug_warning = 0;
2520		3158
		3159	our @WAIT_FOR_TICK;
		3160	our @WAIT_FOR_TICK_BEGIN;
		3161
		3162	sub wait_for_tick {
		3163	return unless $TICK_WATCHER->is_active;
		3164	return if $Coro::current == $Coro::main;
		3165
		3166	my $signal = new Coro::Signal;
		3167	push @WAIT_FOR_TICK, $signal;
		3168	$signal->wait;
		3169	}
		3170
		3171	sub wait_for_tick_begin {
		3172	return unless $TICK_WATCHER->is_active;
		3173	return if $Coro::current == $Coro::main;
		3174
		3175	my $signal = new Coro::Signal;
		3176	push @WAIT_FOR_TICK_BEGIN, $signal;
		3177	$signal->wait;
		3178	}
		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3183	reentrant => 0,
2523	parked => 1,	3184	parked => 1,
2524	prio => 0,	3185	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3191	unless ++$bug_warning > 10;
2531	return;	3192	return;
2532	}	3193	}
2533		3194
2534	$NOW = Event::time;	3195	$NOW = $tick_start = Event::time;
2535		3196
2536	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
		3221
2537	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2539		3224
2540	$WAIT_FOR_TICK->broadcast;	3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3227	Coro::async_pool {
2543	Event::sweep;	3228	write_runtime
2544	Coro::cede_notself;	3229	or warn "ERROR: unable to write runtime file: $!";
		3230	};
2545		3231	}
		3232
2546	# my $AFTER = Event::time;	3233	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3234	# warn $AFTER - $NOW;#d#
2548		3235
		3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3237	$sig->send;
		3238	}
		3239	while (my $sig = shift @WAIT_FOR_TICK) {
		3240	$sig->send;
		3241	}
		3242
		3243	$NOW = Event::time;
		3244
2549	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3247
2552	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
		3250
		3251	$LOAD = ($NOW - $tick_start) / $TICK;
		3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3253
		3254	_post_tick;
		3255
		3256
2554	},	3257	},
2555	);	3258	);
2556		3259
		3260	{
		3261	BDB::max_poll_time $TICK * 0.1;
		3262	$BDB_POLL_WATCHER = Event->io (
		3263	reentrant => 0,
		3264	fd => BDB::poll_fileno,
		3265	poll => 'r',
		3266	prio => 0,
		3267	data => WF_AUTOCANCEL,
		3268	cb => \&BDB::poll_cb,
		3269	);
		3270	BDB::min_parallel 8;
		3271
		3272	BDB::set_sync_prepare {
		3273	my $status;
		3274	my $current = $Coro::current;
		3275	(
		3276	sub {
		3277	$status = $!;
		3278	$current->ready; undef $current;
		3279	},
		3280	sub {
		3281	Coro::schedule while defined $current;
		3282	$! = $status;
		3283	},
		3284	)
		3285	};
		3286
		3287	unless ($DB_ENV) {
		3288	$DB_ENV = BDB::db_env_create;
		3289
		3290	cf::sync_job {
		3291	eval {
		3292	BDB::db_env_open
		3293	$DB_ENV,
		3294	$BDBDIR,
		3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3297	0666;
		3298
		3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3300
		3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3302	$DB_ENV->set_lk_detect;
		3303	};
		3304
		3305	cf::cleanup "db_env_open(db): $@" if $@;
		3306	};
		3307	}
		3308	}
		3309
		3310	{
		3311	IO::AIO::min_parallel 8;
		3312
		3313	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3314	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3315	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3316	reentrant => 0,
		3317	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3318	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3319	poll => 'r',
2564	prio => 6,	3320	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3321	cb => \&IO::AIO::poll_cb,
2567	);	3322	);
		3323	}
2568		3324
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3325	my $_log_backtrace;
2570	reentrant => 0,	3326
2571	data => WF_AUTOCANCEL,	3327	sub _log_backtrace {
2572	after => 1,	3328	my ($msg, @addr) = @_;
2573	interval => 10,	3329
2574	prio => 6, # keep it lowest so it acts like a watchdog	3330	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3331
2576	write_runtime	3332	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
		3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3360	}
2579	);	3361	}
		3362
		3363	# load additional modules
		3364	use cf::pod;
2580		3365
2581	END { cf::emergency_save }	3366	END { cf::emergency_save }
2582		3367
2583	1	3368	1
2584		3369

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