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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 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;
87		116
88	sub cf::map::normalise;	117	sub cf::map::normalise;
89		118
…		…
100	=item $cf::RUNTIME	129	=item $cf::RUNTIME
101		130
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	132	every server tick.
104		133
105	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		137
107	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
109		142
110	=item $cf::NOW	143	=item $cf::NOW
111		144
112	The time of the last (current) server tick.	145	The time of the last (current) server tick.
113		146
114	=item $cf::TICK	147	=item $cf::TICK
115		148
116	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
117		160
118	=item %cf::CFG	161	=item %cf::CFG
119		162
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	164	from wherever your confdir points to.
122		165
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		167
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
129		177
130	=back	178	=back
131		179
132	=cut	180	=cut
133		181
134	BEGIN {	182	BEGIN {
135	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	184	my $msg = join "", @_;
137	utf8::encode $msg;
138		185
139	$msg .= "\n"	186	$msg .= "\n"
140	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
141		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
142	LOG llevError, $msg;	192	LOG llevError, $msg;
143	};	193	};
144	}	194	}
145		195
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		203
153	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	205	# within the Safe compartment.
155	for my $pkg (qw(	206	for my $pkg (qw(
156	cf::global cf::attachable	207	cf::global cf::attachable
…		…
164	}	215	}
165		216
166	$Event::DIED = sub {	217	$Event::DIED = sub {
167	warn "error in event callback: @_";	218	warn "error in event callback: @_";
168	};	219	};
		220
		221	#############################################################################
169		222
170	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
171		224
172	=over 4	225	=over 4
173		226
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	246	$d
194	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
195	}	248	}
196		249
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
200		251
201	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
202		253
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
211		255
212	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
213		257
214	=cut	258	=cut
215		259
216	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
218	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
220		264
221	=item cf::lock_wait $string	265	=item cf::lock_wait $string
222		266
223	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
224		268
…		…
230	returned.	274	returned.
231		275
232	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
234		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
235	=cut	283	=cut
236		284
237	our %LOCK;	285	our %LOCK;
238		286
239	sub lock_wait($) {	287	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
260	}	308	}
261	}	309	}
262		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
263	sub freeze_mainloop {	317	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
265		319
266	my $guard = Coro::guard {	320	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	322	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
272	$guard	324	$guard
273	}	325	}
274		326
275	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
282		334
283	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
284		336
285	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
286		338
287	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
290		343
291	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
294	fast or be very important.	347	fast or be very important.
…		…
297		350
298	sub sync_job(&) {	351	sub sync_job(&) {
299	my ($job) = @_;	352	my ($job) = @_;
300		353
301	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
302	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
304		359
305	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
317		372
318	while ($busy) {	373	while ($busy) {
319	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
320	}	375	}
321		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
322	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
323	} else {	385	} else {
324	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
325		387
326	$job->()	388	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
346		408
347	$coro	409	$coro
348	}	410	}
349		411
350	sub write_runtime {	412	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		413
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
354	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
355		418
356	my $value = $cf::RUNTIME + 90 + 10;	419	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		420
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	421	sub _store_scalar {
361	and return;	422	open my $fh, ">", \my $buf
362		423	or die "fork_call: cannot open fh-to-buf in child : $!";
363	aio_fsync $fh	424	Storable::store_fd $_[0], $fh;
364	and return;
365
366	close $fh	425	close $fh;
367	or return;
368		426
369	aio_rename "$runtime~", $runtime	427	$buf
370	and return;	428	}
371		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
372	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	599	}
374		600
375	=back	601	=back
376		602
377	=cut	603	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
386		612
387	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	615	Crossfire TRT).
390		616
391	=over 4	617	=over 4
392		618
393	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
394		620
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
558		784
559	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		789
564	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	791	my $pkg = shift @arg;
566		792
567	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
597	}	823	}
598		824
599	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
600	} else {	826	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	828	}
603		829
604	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
605	}	831	}
606		832
…		…
608	if (ref $_[0]) {	834	if (ref $_[0]) {
609	_object_attach @_;	835	_object_attach @_;
610	} else {	836	} else {
611	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
612	}	838	}
		839	_recalc_want;
613	};	840	};
614		841
615	# all those should be optimised	842	# all those should be optimised
616	sub cf::attachable::detach {	843	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
621	reattach ($obj);	848	reattach ($obj);
622	} else {	849	} else {
623	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
624	}	851	}
		852	_recalc_want;
625	};	853	};
626		854
627	sub cf::attachable::attached {	855	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
629		857
…		…
644	";	872	";
645	die if $@;	873	die if $@;
646	}	874	}
647		875
648	our $override;	876	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		878
651	sub override {	879	sub override {
652	$override = 1;	880	$override = 1;
653	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
654	}	882	}
655		883
656	sub do_invoke {	884	sub do_invoke {
657	my $event = shift;	885	my $event = shift;
658	my $callbacks = shift;	886	my $callbacks = shift;
659		887
660	@invoke_results = ();	888	@INVOKE_RESULTS = ();
661		889
662	local $override;	890	local $override;
663		891
664	for (@$callbacks) {	892	for (@$callbacks) {
665	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
682		910
683	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
684		912
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		916
689	=back	917	=back
690		918
691	=cut	919	=cut
692		920
…		…
752	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
753		981
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	986	close $fh;
759		987
760	if (@$objs) {	988	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	994	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
768	}	996	}
769	} else {	997	} else {
770	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
802	or return;	1030	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1032	}
805		1033
806	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
808	return ($data, $av);	1036	return ($data, $av);
809	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
810		1044
811	#############################################################################	1045	#############################################################################
812	# command handling &c	1046	# command handling &c
813		1047
814	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1062	}
829		1063
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1065
832	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.
833		1071
834	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
835	called.	1073	called.
836		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
837	=cut	1086	=cut
838		1087
839	sub register_extcmd {	1088	sub register_extcmd {
840	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
841		1090
842	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
843	}	1098	}
844		1099
845	cf::player->attach (	1100	cf::player->attach (
846	on_command => sub {	1101	on_command => sub {
847	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1111	cf::override;
857	},	1112	},
858	on_extcmd => sub {	1113	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
860		1115
861	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1117
863	if (ref $msg) {	1118	if (ref $msg) {
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
865	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
866	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
872		1127
873	cf::override;	1128	cf::override;
874	},	1129	},
875	);	1130	);
876		1131
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
912	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1137	next unless -r $path;
914	eval {	1138
915	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;
916	1	1196	}
917	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
918	}	1202	};
919	}	1203	}
920		1204
921	#############################################################################	1205	#############################################################################
922		1206
		1207	=back
		1208
923	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
924		1210
925	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
926		1212
927	=cut	1213	=cut
…		…
939	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
940		1226
941	=cut	1227	=cut
942		1228
943	sub playerdir($) {	1229	sub playerdir($) {
944	cf::localdir	1230	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1232	}
950		1233
951	sub path($) {	1234	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1236
954	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
955	}	1238	}
956		1239
957	sub find_active($) {	1240	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1255	my $login = $_[0];
973		1256
974	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
975		1258
976	$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
977	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
978	or return;	1268	or return;
979	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
980	}	1270	}
981	}	1271	}
…		…
1018		1308
1019	=cut	1309	=cut
1020		1310
1021	sub quit_character {	1311	sub quit_character {
1022	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1023		1315
1024	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1025	$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
1026		1318
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1036	$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
1037	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;
1038	}	1350	}
1039		1351
1040	=item cf::player::list_logins	1352	=item cf::player::list_logins
1041		1353
1042	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
1043	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1044		1356
1045	=cut	1357	=cut
1046		1358
1047	sub list_logins {	1359	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1361	or return [];
1050		1362
1051	my @logins;	1363	my @logins;
1052		1364
1053	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1070	=cut	1382	=cut
1071		1383
1072	sub maps($) {	1384	sub maps($) {
1073	my ($pl) = @_;	1385	my ($pl) = @_;
1074		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
		1388
1075	my $files = aio_readdir playerdir $pl	1389	my $files = aio_readdir playerdir $pl
1076	or return;	1390	or return;
1077		1391
1078	my @paths;	1392	my @paths;
1079		1393
1080	for (@$files) {	1394	for (@$files) {
1081	utf8::decode $_;	1395	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1396	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1397	next unless /^$PATH_SEP/o;
1084		1398
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1399	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1400	}
1087		1401
1088	\@paths	1402	\@paths
1089	}	1403	}
1090		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
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1092		1456
1093	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1094		1458
1095	=cut	1459	=cut
1096		1460
1097	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1098	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1099		1463
1100	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1101		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1466	}
1104		1467
1105	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		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	$match
		1507	}
1106		1508
1107	=back	1509	=back
1108
1109		1510
1110	=head3 cf::map	1511	=head3 cf::map
1111		1512
1112	=over 4	1513	=over 4
1113		1514
…		…
1168	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1169		1570
1170	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1171	local $self->{path};	1572	local $self->{path};
1172	local $self->{load_path};	1573	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1574
1176	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1177	}	1576	}
1178		1577
1179	sub normalise {	1578	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1227	return $self;	1626	return $self;
1228	}	1627	}
1229	}	1628	}
1230		1629
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1631	()
1233	}	1632	}
1234		1633
1235	sub init {	1634	sub init {
1236	my ($self) = @_;	1635	my ($self) = @_;
…		…
1251		1650
1252	# the original (read-only) location	1651	# the original (read-only) location
1253	sub load_path {	1652	sub load_path {
1254	my ($self) = @_;	1653	my ($self) = @_;
1255		1654
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1257	}	1656	}
1258		1657
1259	# the temporary/swap location	1658	# the temporary/swap location
1260	sub save_path {	1659	sub save_path {
1261	my ($self) = @_;	1660	my ($self) = @_;
1262		1661
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1265	}	1664	}
1266		1665
1267	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1268	sub uniq_path {	1667	sub uniq_path {
1269	my ($self) = @_;	1668	my ($self) = @_;
1270		1669
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1273	}	1672	}
1274		1673
1275	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1276	# all maps in C++...	1675	# all maps in C++...
1277	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1279		1678
1280	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1282	}	1681	}
1283		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
1284	sub unlink_save {	1691	sub unlink_save {
1285	my ($self) = @_;	1692	my ($self) = @_;
1286		1693
1287	utf8::encode (my $save = $self->save_path);	1694	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1698
1292	sub load_header_from($) {	1699	sub load_header_from($) {
1293	my ($self, $path) = @_;	1700	my ($self, $path) = @_;
1294		1701
1295	utf8::encode $path;	1702	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1703	#aio_open $path, O_RDONLY, 0
1297	or return;	1704	# or return;
1298		1705
1299	$self->_load_header ($path)	1706	$self->_load_header ($path)
1300	or return;	1707	or return;
1301		1708
1302	$self->{load_path} = $path;	1709	$self->{load_path} = $path;
…		…
1344	$self->load_header_orig	1751	$self->load_header_orig
1345	or return;	1752	or return;
1346	$self->prepare_orig;	1753	$self->prepare_orig;
1347	}	1754	}
1348		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
1349	1	1762	1
1350	}	1763	}
1351		1764
1352	sub find;	1765	sub find;
1353	sub find {	1766	sub find {
…		…
1365	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1366		1779
1367	$map->load_header	1780	$map->load_header
1368	or return;	1781	or return;
1369		1782
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1373	$map->reset;	1786	$map->reset;
1374	undef $guard;	1787	undef $guard;
1375	return find $path;	1788	return find $path;
…		…
1386	my ($self) = @_;	1799	my ($self) = @_;
1387		1800
1388	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1389		1802
1390	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1392		1807
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1394		1809
1395	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1396		1811
1397	$self->alloc;	1812	$self->alloc;
1398		1813
1399	$self->pre_load;	1814	$self->pre_load;
1400
1401	$self->_load_objects ($self->{load_path}, 1)
1402	or return;
1403
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};
1406
1407	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {
1410	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);
1412	}
1413	}
1414
1415	Coro::cede;
1416
1417	# now do the right thing for maps
1418	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;	1815	Coro::cede;
1425	$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;
1426	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1835	unless $self->difficulty;
1428	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($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;
1429	$self->activate;	1845	$self->activate;
		1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1849	}
1431		1850
1432	$self->post_load;	1851	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1852	}
1436		1853
1437	sub customise_for {	1854	sub customise_for {
1438	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1439		1856
1440	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1442		1862
1443	$self	1863	$self
1444	}	1864	}
1445		1865
1446	# 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
…		…
1493		1913
1494	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1495	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1496	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1498	my $map = find $path	1918	if (my $map = find $path) {
1499	or next;
1500	$map->load;	1919	$map->load;
		1920	}
1501		1921
1502	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1503	}	1923	}
1504	}	1924	}
1505	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1557		1977
1558	sub reset_at {	1978	sub reset_at {
1559	my ($self) = @_;	1979	my ($self) = @_;
1560		1980
1561	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1564		1983
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1986
…		…
1578	my ($self) = @_;	1997	my ($self) = @_;
1579		1998
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2000
1582	return if $self->players;	2001	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2002
1585	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	}
1586		2014
1587	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
1588		2016
1589	$self->in_memory (cf::MAP_SWAPPED);
1590	$self->clear;	2017	$self->clear;
1591		2018
1592	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1593		2020
1594	$self->unlink_save;	2021	$self->unlink_save;
…		…
1613	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1614		2041
1615	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1616	}	2043	}
1617		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
1618	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1619		2082
1620	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2084	instantiated unique items. May block.
1622		2085
1623	=cut	2086	=cut
1624		2087
1625	sub unique_maps() {	2088	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1627	or return;	2090	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2091	utf8::decode $_;
1633	next if /\.pst$/;	2092	/\.map$/
1634	next unless /^$PATH_SEP/o;	2093	? normalise $_
1635		2094	: ()
1636	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2096	]
1638
1639	\@paths
1640	}	2097	}
1641		2098
1642	package cf;	2099	package cf;
1643		2100
1644	=back	2101	=back
…		…
1690		2147
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2149
1693	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1695	} 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 {
1696	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1698	}	2169	}
1699	}	2170	}
1700		2171
1701	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1702		2173
…		…
1750	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1751		2222
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2224
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1756		2227
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2229	}
1759		2230
1760	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1762		2235
1763	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1764		2237
1765	unless ($map) {	2238	unless ($map) {
1766	# restore original map position	2239	# restore original map position
…		…
1784	$map->load;	2257	$map->load;
1785	$map->load_diag;	2258	$map->load_diag;
1786		2259
1787	return unless $self->contr->active;	2260	return unless $self->contr->active;
1788	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1790	}	2265	}
1791		2266
1792	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2268
1796	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1800	};	2273	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2274
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1827		2278
1828	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1829	my ($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;
1830		2284
1831	$self->enter_link;	2285	$self->enter_link;
1832		2286
1833	(async {	2287	(async {
1834	my $map = eval {	2288	my $map = eval {
1835	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1836	$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
1837	$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 $@;
1838	} or	2304	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1842	})->prio (1);	2312	})->prio (1);
1843	}	2313	}
1844		2314
1845	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1846		2316
…		…
1885		2355
1886	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1887		2357
1888	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2360	my $meta = "$RANDOMDIR/$md5.meta";
1891		2361
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2364	undef $fh;
1895	aio_rename "$meta~", $meta;	2365	aio_rename "$meta~", $meta;
…		…
1904		2374
1905	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1906		2376
1907	if ($exit->slaying eq "/!") {	2377	if ($exit->slaying eq "/!") {
1908	#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
1909	cf::sync_job { prepare_random_map $exit };	2381	cf::sync_job { prepare_random_map $exit };
1910	}	2382	}
1911		2383
1912	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;
1913	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
1915		2387
1916	$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);
1917		2393
1918	(async {	2394	(async {
1919	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2396	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
1922		2398
1923	1;	2399	1;
1924	}) {	2400	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "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. "
1927	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2405
1930	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2407	$self->leave_link;
1932	}	2408	}
1933	})->prio (1);	2409	})->prio (1);
…		…
1946		2422
1947	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1949		2425
1950	utf8::encode $text;	2426	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2428	}
1953		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	}
1954		2484
1955	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1956		2486
1957	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
1958	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>,
1959	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>.
1960		2490
1961	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
1962	reliable at some point in the future.	2492	become reliable at some point in the future.
1963		2493
1964	=cut	2494	=cut
1965		2495
1966	sub cf::client::query {	2496	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2505	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2507
1978	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
1980	}	2512	}
1981		2513
1982	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	},
1983	on_reply => sub {	2520	on_reply => sub {
1984	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
1985		2522
1986	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
1987	# get handled first	2524	# get handled first
1988	my $queue = delete $ns->{query_queue}	2525	my $queue = delete $ns->{query_queue}
1989	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
1990		2527
1991	(shift @$queue)->[1]->($msg);	2528	(shift @$queue)->[1]->($msg);
		2529	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2530
1993	push @{ $ns->{query_queue} }, @$queue;	2531	push @{ $ns->{query_queue} }, @$queue;
1994		2532
1995	if (@{ $ns->{query_queue} } == @$queue) {	2533	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2534	if (@$queue) {
…		…
1998	} else {	2536	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2538	}
2001	}	2539	}
2002	},	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	},
2003	);	2559	);
2004		2560
2005	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
2006		2562
2007	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
2054		2610
2055	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
2056		2612
2057	=pod	2613	=pod
2058		2614
2059	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
2060		2616
2061	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
2062	cf::object::player player	2621	cf::object::player
2063	cf::player peaceful	2622	player
2064	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
2065		2629
2066	=cut	2630	=cut
2067		2631
2068	for (	2632	for (
2069	["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)],
2070	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2073	) {	2638	) {
2074	no strict 'refs';	2639	no strict 'refs';
…		…
2145	=back	2710	=back
2146		2711
2147	=cut	2712	=cut
2148		2713
2149	#############################################################################	2714	#############################################################################
		2715	# the server's init and main functions
2150		2716
2151	=head2 EXTENSION DATABASE SUPPORT	2717	sub load_facedata($) {
		2718	my ($path) = @_;
2152		2719
2153	Crossfire maintains a very simple database for extension use. It can	2720	warn "loading facedata from $path\n";
2154	currently store anything that can be serialised using Storable, which
2155	excludes objects.
2156		2721
2157	The parameter C<$family> should best start with the name of the extension	2722	my $facedata;
2158	using it, it should be unique.	2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
2159		2725
2160	=over 4	2726	$facedata = Coro::Storable::thaw $facedata;
2161		2727
2162	=item $hashref = cf::db_get $family	2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
2163		2730
2164	Return a hashref for use by the extension C<$family>, which can be
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167
2168	=item $value = cf::db_get $family => $key
2169
2170	Returns a single value from the database
2171
2172	=item cf::db_put $family => $hashref
2173
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2731	{
		2732	my $faces = $facedata->{faceinfo};
2200		2733
2201	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};
2202		2740
2203	sub db_save() {	2741	cf::cede_to_tick;
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}
2212
2213	my $dirty;
2214
2215	sub db_sync() {
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	2742	}
2254	);
2255	}
2256		2743
2257	#############################################################################	2744	while (my ($face, $info) = each %$faces) {
2258	# 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	}
2259		2848
2260	sub cfg_load {	2849	sub cfg_load {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	2851	or return;
2263		2852
2264	local $/;	2853	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2266		2855
…		…
2286	Event::one_event;	2875	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	2876	})->prio (Coro::PRIO_MAX);
2288	};	2877	};
2289		2878
2290	cfg_load;	2879	cfg_load;
2291	db_load;	2880	db_init;
2292	load_extensions;	2881	load_extensions;
2293		2882
2294	$TICK_WATCHER->start;	2883	$TICK_WATCHER->start;
2295	Event::loop;	2884	Event::loop;
2296	}	2885	}
…		…
2311	},	2900	},
2312	);	2901	);
2313	}	2902	}
2314	}	2903	}
2315		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
2316	sub emergency_save() {	2943	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2318		2945
2319	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2320		2947
…		…
2335	my $map = $cf::MAP{$path} or next;	2962	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	2963	$map->valid or next;
2337	$map->save;	2964	$map->save;
2338	}	2965	}
2339	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 $DB_ENV;
		2970	warn "end emergency database checkpoint\n";
2340	};	2971	};
2341		2972
2342	warn "leave emergency perl save\n";	2973	warn "leave emergency perl save\n";
2343	}	2974	}
2344		2975
		2976	sub post_cleanup {
		2977	my ($make_core) = @_;
		2978
		2979	warn Carp::longmess "post_cleanup backtrace"
		2980	if $make_core;
		2981	}
		2982
2345	sub reload() {	2983	sub do_reload_perl() {
2346	# can/must only be called in main	2984	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	2986	warn "can only reload from main coroutine";
2349	return;	2987	return;
2350	}	2988	}
2351		2989
2352	warn "reloading...";	2990	warn "reloading...";
2353		2991
2354	warn "cancelling server ticker";	2992	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		2993
		2994	cf::sync_job {
		2995	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	2996	cf::emergency_save;
		2997	cf::write_runtime; # external watchdog should not bark
2358		2998
2359	eval {	2999	warn "syncing database to disk";
		3000	BDB::db_env_txn_checkpoint $DB_ENV;
		3001
2360	# 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
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3003
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3004	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3005	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3006	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3007	}
2369		3008
2370	warn "flushing outstanding aio requests";	3009	warn "flushing outstanding aio requests";
2371	for (;;) {	3010	for (;;) {
		3011	BDB::flush;
2372	IO::AIO::flush;	3012	IO::AIO::flush;
2373	Coro::cede;	3013	Coro::cede;
2374	last unless IO::AIO::nreqs;	3014	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3015	warn "iterate...";
2376	}	3016	}
		3017
		3018	++$RELOAD;
2377		3019
2378	warn "cancelling all extension coros";	3020	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3022	%EXT_CORO = ();
2381		3023
2382	warn "removing commands";	3024	warn "removing commands";
2383	%COMMAND = ();	3025	%COMMAND = ();
2384		3026
2385	warn "removing ext commands";	3027	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2387		3030
2388	warn "unloading/nuking all extensions";	3031	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3033	warn "... unloading $pkg";
2391		3034
…		…
2421	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2422	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);
2423		3066
2424	warn "unloading cf.pm \"a bit\"";	3067	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2426		3070
2427	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3072	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2430		3074
…		…
2434	require cf;	3078	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3080
2437	warn "loading config and database again";	3081	warn "loading config and database again";
2438	cf::cfg_load;	3082	cf::cfg_load;
2439	cf::db_load;
2440		3083
2441	warn "loading extensions";	3084	warn "loading extensions";
2442	cf::load_extensions;	3085	cf::load_extensions;
2443		3086
2444	warn "reattaching attachments to objects/players";	3087	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3088	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3089	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
		3091	warn "reattaching attachments to players";
		3092	reattach $_ for values %PLAYER;
2448		3093
2449	warn "restarting server ticker";	3094	warn "leaving sync_job";
2450		3095
2451	$TICK_WATCHER->start;	3096	1
2452	};	3097	} or do {
2453
2454	if ($@) {
2455	warn $@;	3098	warn $@;
2456	warn "error while reloading, exiting.";	3099	warn "error while reloading, exiting.";
2457	exit 1;	3100	exit 1;
2458	}	3101	};
2459		3102
2460	warn "reloaded";	3103	warn "reloaded";
2461	};	3104	};
2462		3105
2463	our $RELOAD_WATCHER; # used only during reload	3106	our $RELOAD_WATCHER; # used only during reload
2464		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 $RELOAD_WATCHER;
		3119	},
		3120	);
		3121	}
		3122
2465	register_command "reload" => sub {	3123	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2467		3125
2468	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3127	$who->message ("reloading server.");
2470		3128	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3129	}
2484	};	3130	};
2485		3131
2486	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2487		3133
2488	my $bug_warning = 0;	3134	my $bug_warning = 0;
2489		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;
2490	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3160	reentrant => 0,
2492	parked => 1,	3161	parked => 1,
2493	prio => 0,	3162	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3168	unless ++$bug_warning > 10;
2500	return;	3169	return;
2501	}	3170	}
2502		3171
2503	$NOW = Event::time;	3172	$NOW = $tick_start = Event::time;
2504		3173
2505	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
2506	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2508		3201
2509	$WAIT_FOR_TICK->broadcast;	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3204	Coro::async_pool {
2512	Event::sweep;	3205	write_runtime
2513	Coro::cede_notself;	3206	or warn "ERROR: unable to write runtime file: $!";
		3207	};
2514		3208	}
		3209
2515	# my $AFTER = Event::time;	3210	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3211	# warn $AFTER - $NOW;#d#
2517		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
2518	# 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
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3224
2521	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2522	$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
2523	},	3234	},
2524	);	3235	);
2525		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;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3291	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3292	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3293	reentrant => 0,
		3294	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3295	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3296	poll => 'r',
2533	prio => 6,	3297	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3298	cb => \&IO::AIO::poll_cb,
2536	);	3299	);
		3300	}
2537		3301
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3302	my $_log_backtrace;
2539	reentrant => 0,	3303
2540	data => WF_AUTOCANCEL,	3304	sub _log_backtrace {
2541	after => 1,	3305	my ($msg, @addr) = @_;
2542	interval => 10,	3306
2543	prio => 6, # keep it lowest so it acts like a watchdog	3307	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3308
2545	write_runtime	3309	# limit the # of concurrent backtraces
2546	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";
2547	},	3337	}
2548	);	3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
2549		3342
2550	END { cf::emergency_save }	3343	END { cf::emergency_save }
2551		3344
2552	1	3345	1
2553		3346

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