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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 1.314 by root, Mon Jul 23 16:53:15 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
		325	}
		326
		327	=item cf::get_slot $time[, $priority]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
274	}	375	}
275		376
276	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
277		378
278	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		384
284	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
285		386
286	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
287		388
288	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
291		393
292	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
295	fast or be very important.	397	fast or be very important.
…		…
298		400
299	sub sync_job(&) {	401	sub sync_job(&) {
300	my ($job) = @_;	402	my ($job) = @_;
301		403
302	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
303	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
305		409
306	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
318		422
319	while ($busy) {	423	while ($busy) {
320	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
321	}	425	}
322		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
323	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
324	} else {	435	} else {
325	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
326		437
327	$job->()	438	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
347		458
348	$coro	459	$coro
349	}	460	}
350		461
351	sub write_runtime {	462	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		463
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	464	Executes the given code block with the given arguments in a seperate
355	or return;	465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
356		468
357	my $value = $cf::RUNTIME + 90 + 10;	469	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		470
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	471	sub _store_scalar {
362	and return;	472	open my $fh, ">", \my $buf
363		473	or die "fork_call: cannot open fh-to-buf in child : $!";
364	# always fsync - this file is important	474	Storable::store_fd $_[0], $fh;
365	aio_fsync $fh
366	and return;
367
368	close $fh	475	close $fh;
369	or return;
370		476
371	aio_rename "$runtime~", $runtime	477	$buf
372	and return;	478	}
373		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
374	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
		638	}
		639
		640	=item cf::datalog type => key => value, ...
		641
		642	Log a datalog packet of the given type with the given key-value pairs.
		643
		644	=cut
		645
		646	sub datalog($@) {
		647	my ($type, %kv) = @_;
		648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	649	}
376		650
377	=back	651	=back
378		652
379	=cut	653	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
388		662
389	In the following description, CLASS can be any of C<global>, C<object>	663	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	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	665	Crossfire TRT).
392		666
393	=over 4	667	=over 4
394		668
395	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
396		670
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
560		834
561	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		839
566	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	841	my $pkg = shift @arg;
568		842
569	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
599	}	873	}
600		874
601	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
602	} else {	876	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	878	}
605		879
606	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
607	}	881	}
608		882
…		…
610	if (ref $_[0]) {	884	if (ref $_[0]) {
611	_object_attach @_;	885	_object_attach @_;
612	} else {	886	} else {
613	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
614	}	888	}
		889	_recalc_want;
615	};	890	};
616		891
617	# all those should be optimised	892	# all those should be optimised
618	sub cf::attachable::detach {	893	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
623	reattach ($obj);	898	reattach ($obj);
624	} else {	899	} else {
625	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
626	}	901	}
		902	_recalc_want;
627	};	903	};
628		904
629	sub cf::attachable::attached {	905	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
631		907
…		…
646	";	922	";
647	die if $@;	923	die if $@;
648	}	924	}
649		925
650	our $override;	926	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		928
653	sub override {	929	sub override {
654	$override = 1;	930	$override = 1;
655	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
656	}	932	}
657		933
658	sub do_invoke {	934	sub do_invoke {
659	my $event = shift;	935	my $event = shift;
660	my $callbacks = shift;	936	my $callbacks = shift;
661		937
662	@invoke_results = ();	938	@INVOKE_RESULTS = ();
663		939
664	local $override;	940	local $override;
665		941
666	for (@$callbacks) {	942	for (@$callbacks) {
667	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
684		960
685	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
686		962
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	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	964	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		966
691	=back	967	=back
692		968
693	=cut	969	=cut
694		970
695	#############################################################################	971	#############################################################################
696	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
697		984
698	sub reattach {	985	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	987	my ($obj) = @_;
701		988
…		…
778	}	1065	}
779	} else {	1066	} else {
780	aio_unlink $filename;	1067	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1068	aio_unlink "$filename.pst";
782	}	1069	}
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	}	1070	}
790	}	1071	}
791		1072
792	sub object_freezer_as_string {	1073	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1074	my ($rdata, $objs) = @_;
…		…
799		1080
800	sub object_thawer_load {	1081	sub object_thawer_load {
801	my ($filename) = @_;	1082	my ($filename) = @_;
802		1083
803	my ($data, $av);	1084	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1085
808	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
809	or return;	1087	or return;
810		1088
811	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1091	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1093	}
816		1094
817	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1097	return ($data, $av);
820	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
821		1105
822	#############################################################################	1106	#############################################################################
823	# command handling &c	1107	# command handling &c
824		1108
825	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1123	}
840		1124
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1126
843	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
844		1132
845	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
846	called.	1134	called.
847		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
848	=cut	1147	=cut
849		1148
850	sub register_extcmd {	1149	sub register_extcmd {
851	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
852		1151
853	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
854	}	1159	}
855		1160
856	cf::player->attach (	1161	cf::player->attach (
857	on_command => sub {	1162	on_command => sub {
858	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1172	cf::override;
868	},	1173	},
869	on_extcmd => sub {	1174	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
871		1176
872	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1178
874	if (ref $msg) {	1179	if (ref $msg) {
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
876	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
877	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
883		1188
884	cf::override;	1189	cf::override;
885	},	1190	},
886	);	1191	);
887		1192
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 {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
923	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1198	next unless -r $path;
925	eval {	1199
926	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
927	1	1257	}
928	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
929	}	1263	};
930	}	1264	}
931		1265
932	#############################################################################	1266	#############################################################################
933		1267
		1268	=back
		1269
934	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
935		1271
936	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
937		1273
938	=cut	1274	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
951		1287
952	=cut	1288	=cut
953		1289
954	sub playerdir($) {	1290	sub playerdir($) {
955	cf::localdir	1291	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1293	}
961		1294
962	sub path($) {	1295	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1297
965	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
966	}	1299	}
967		1300
968	sub find_active($) {	1301	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1316	my $login = $_[0];
984		1317
985	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
986		1319
987	$cf::PLAYER{$_[0]} || do {	1320	$cf::PLAYER{$_[0]} || do {
		1321	# rename old playerfiles to new ones
		1322	#TODO: remove when no longer required
		1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1326	aio_unlink +(playerdir $login) . "/$login.pl";
		1327
988	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
989	or return;	1329	or return;
990	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
991	}	1331	}
992	}	1332	}
…		…
1029		1369
1030	=cut	1370	=cut
1031		1371
1032	sub quit_character {	1372	sub quit_character {
1033	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1034		1376
1035	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1378	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1379
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1389	$pl->destroy;
		1390
		1391	my $prefix = qr<^~\Q$name\E/>;
		1392
		1393	# nuke player maps
		1394	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1395
1048	IO::AIO::aio_rmtree $temp;	1396	IO::AIO::aio_rmtree $temp;
		1397	}
		1398
		1399	=item $pl->kick
		1400
		1401	Kicks a player out of the game. This destroys the connection.
		1402
		1403	=cut
		1404
		1405	sub kick {
		1406	my ($pl, $kicker) = @_;
		1407
		1408	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1409	$pl->killer ("kicked");
		1410	$pl->ns->destroy;
1049	}	1411	}
1050		1412
1051	=item cf::player::list_logins	1413	=item cf::player::list_logins
1052		1414
1053	Returns am arrayref of all valid playernames in the system, can take a	1415	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1055		1417
1056	=cut	1418	=cut
1057		1419
1058	sub list_logins {	1420	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1422	or return [];
1061		1423
1062	my @logins;	1424	my @logins;
1063		1425
1064	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1099	}	1461	}
1100		1462
1101	\@paths	1463	\@paths
1102	}	1464	}
1103		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1105		1517
1106	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1107		1519
1108	=cut	1520	=cut
1109		1521
1110	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1112		1524
1113	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1114		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1527	}
1117		1528
1118	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		1536	my ($self, $type, %msg) = @_;
		1537
		1538	$self->ns->ext_event ($type, %msg);
		1539	}
		1540
		1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1119		1569
1120	=back	1570	=back
1121
1122		1571
1123	=head3 cf::map	1572	=head3 cf::map
1124		1573
1125	=over 4	1574	=over 4
1126		1575
…		…
1181	my ($self, $merge) = @_;	1630	my ($self, $merge) = @_;
1182		1631
1183	# we have to keep some variables in memory intact	1632	# we have to keep some variables in memory intact
1184	local $self->{path};	1633	local $self->{path};
1185	local $self->{load_path};	1634	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1635
1189	$self->SUPER::thawer_merge ($merge);	1636	$self->SUPER::thawer_merge ($merge);
1190	}	1637	}
1191		1638
1192	sub normalise {	1639	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1240	return $self;	1687	return $self;
1241	}	1688	}
1242	}	1689	}
1243		1690
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1692	()
1246	}	1693	}
1247		1694
1248	sub init {	1695	sub init {
1249	my ($self) = @_;	1696	my ($self) = @_;
…		…
1264		1711
1265	# the original (read-only) location	1712	# the original (read-only) location
1266	sub load_path {	1713	sub load_path {
1267	my ($self) = @_;	1714	my ($self) = @_;
1268		1715
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1716	"$MAPDIR/$self->{path}.map"
1270	}	1717	}
1271		1718
1272	# the temporary/swap location	1719	# the temporary/swap location
1273	sub save_path {	1720	sub save_path {
1274	my ($self) = @_;	1721	my ($self) = @_;
1275		1722
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1724	"$TMPDIR/$path.map"
1278	}	1725	}
1279		1726
1280	# the unique path, undef == no special unique path	1727	# the unique path, undef == no special unique path
1281	sub uniq_path {	1728	sub uniq_path {
1282	my ($self) = @_;	1729	my ($self) = @_;
1283		1730
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1732	"$UNIQUEDIR/$path"
1286	}	1733	}
1287		1734
1288	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1289	# all maps in C++...	1736	# all maps in C++...
1290	sub change_all_map_light {	1737	sub change_all_map_light {
…		…
1292		1739
1293	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1295	}	1742	}
1296		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
		1750	}
		1751
1297	sub unlink_save {	1752	sub unlink_save {
1298	my ($self) = @_;	1753	my ($self) = @_;
1299		1754
1300	utf8::encode (my $save = $self->save_path);	1755	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1756	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1757	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	}	1758	}
1309		1759
1310	sub load_header_from($) {	1760	sub load_header_from($) {
1311	my ($self, $path) = @_;	1761	my ($self, $path) = @_;
1312		1762
…		…
1362	$self->load_header_orig	1812	$self->load_header_orig
1363	or return;	1813	or return;
1364	$self->prepare_orig;	1814	$self->prepare_orig;
1365	}	1815	}
1366		1816
		1817	$self->{deny_reset} = 1
		1818	if $self->no_reset;
		1819
		1820	$self->default_region (cf::region::find_by_path $self->{path})
		1821	unless $self->default_region;
		1822
1367	1	1823	1
1368	}	1824	}
1369		1825
1370	sub find;	1826	sub find;
1371	sub find {	1827	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1384		1840
1385	$map->load_header	1841	$map->load_header
1386	or return;	1842	or return;
1387		1843
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1845	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1846	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1847	$map->reset;
1392	undef $guard;	1848	undef $guard;
1393	return find $path;	1849	return find $path;
…		…
1404	my ($self) = @_;	1860	my ($self) = @_;
1405		1861
1406	local $self->{deny_reset} = 1; # loading can take a long time	1862	local $self->{deny_reset} = 1; # loading can take a long time
1407		1863
1408	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1867	my $guard = cf::lock_acquire "map_load:$path";
1410		1868
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1870
1413	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1414		1872
1415	$self->alloc;	1873	$self->alloc;
1416		1874
1417	$self->pre_load;	1875	$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;	1876	Coro::cede;
1443	$self->set_darkness_map;	1877
		1878	$self->_load_objects ($self->{load_path}, 1)
		1879	or return;
		1880
		1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1882	if delete $self->{load_original};
		1883
		1884	if (my $uniq = $self->uniq_path) {
		1885	utf8::encode $uniq;
		1886	if (aio_open $uniq, O_RDONLY, 0) {
		1887	$self->clear_unique_items;
		1888	$self->_load_objects ($uniq, 0);
		1889	}
		1890	}
		1891
		1892	Coro::cede;
		1893	# now do the right thing for maps
		1894	$self->link_multipart_objects;
1444	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1896	unless $self->difficulty;
1446	Coro::cede;	1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1447	$self->activate;	1906	$self->activate;
		1907	}
		1908
		1909	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1910	}
1449		1911
1450	$self->post_load;	1912	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1913	}
1454		1914
1455	sub customise_for {	1915	sub customise_for {
1456	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1457		1917
1458	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
1460		1923
1461	$self	1924	$self
1462	}	1925	}
1463		1926
1464	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
…		…
1511		1974
1512	undef $MAP_PREFETCH{$path};	1975	undef $MAP_PREFETCH{$path};
1513	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	1978	for my $path (keys %MAP_PREFETCH) {
1516	my $map = find $path	1979	if (my $map = find $path) {
1517	or next;
1518	$map->load;	1980	$map->load;
		1981	}
1519		1982
1520	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$path};
1521	}	1984	}
1522	}	1985	}
1523	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
…		…
1575		2038
1576	sub reset_at {	2039	sub reset_at {
1577	my ($self) = @_;	2040	my ($self) = @_;
1578		2041
1579	# TODO: safety, remove and allow resettable per-player maps	2042	# 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};	2043	return 1e99 if $self->{deny_reset};
1582		2044
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2047
…		…
1596	my ($self) = @_;	2058	my ($self) = @_;
1597		2059
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2061
1600	return if $self->players;	2062	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2063
1603	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1604		2075
1605	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1606		2077
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2078	$self->clear;
1609		2079
1610	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1611		2081
1612	$self->unlink_save;	2082	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1632		2102
1633	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1634	}	2104	}
1635		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1636	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1637		2143
1638	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2145	instantiated unique items. May block.
1640		2146
1641	=cut	2147	=cut
1642		2148
1643	sub unique_maps() {	2149	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1645	or return;	2151	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2152	utf8::decode $_;
1651	next if /\.pst$/;	2153	/\.map$/
1652	next unless /^$PATH_SEP/o;	2154	? normalise $_
1653		2155	: ()
1654	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2157	]
1656
1657	\@paths
1658	}	2158	}
1659		2159
1660	package cf;	2160	package cf;
1661		2161
1662	=back	2162	=back
…		…
1708		2208
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2210
1711	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1713	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1716	}	2230	}
1717	}	2231	}
1718		2232
1719	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1720		2234
…		…
1768	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1769		2283
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2285
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1774		2288
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2290	}
1777		2291
1778	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1780		2296
1781	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1782		2298
1783	unless ($map) {	2299	unless ($map) {
1784	# restore original map position	2300	# restore original map position
…		…
1802	$map->load;	2318	$map->load;
1803	$map->load_diag;	2319	$map->load_diag;
1804		2320
1805	return unless $self->contr->active;	2321	return unless $self->contr->active;
1806	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1808	}	2326	}
1809		2327
1810	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2329
1814	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1818	};	2334	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2335
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	2336	=cut
		2337
		2338	our $GOTOGEN;
1845		2339
1846	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2345
1849	$self->enter_link;	2346	$self->enter_link;
1850		2347
1851	(async {	2348	(async {
1852	my $map = eval {	2349	my $map = eval {
1853	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1855	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2365	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1860	})->prio (1);	2373	})->prio (1);
1861	}	2374	}
1862		2375
1863	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1864		2377
…		…
1903		2416
1904	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1905		2418
1906	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1909		2422
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2425	undef $fh;
1913	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1922		2435
1923	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1924		2437
1925	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1928	}	2443	}
1929		2444
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1933		2448
1934	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1935		2454
1936	(async {	2455	(async {
1937	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2457	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1940		2459
1941	1;	2460	1;
1942	}) {	2461	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2466
1948	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2468	$self->leave_link;
1950	}	2469	}
1951	})->prio (1);	2470	})->prio (1);
…		…
1964		2483
1965	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1967		2486
1968	utf8::encode $text;	2487	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2489	}
1971		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
		2543	=item $client->ext_event ($type, %msg)
		2544
		2545	Sends an ext event to the client.
		2546
		2547	=cut
		2548
		2549	sub cf::client::ext_event($$%) {
		2550	my ($self, $type, %msg) = @_;
		2551
		2552	return unless $self->extcmd;
		2553
		2554	$msg{msgtype} = "event_$type";
		2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2556	}
1972		2557
1973	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1974		2559
1975	Queues a query to the client, calling the given callback with	2560	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>,	2561	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>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2563
1979	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2565	become reliable at some point in the future.
1981		2566
1982	=cut	2567	=cut
1983		2568
1984	sub cf::client::query {	2569	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2578	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2580
1996	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
1998	}	2585	}
1999		2586
2000	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
2001	on_reply => sub {	2593	on_reply => sub {
2002	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
2003		2595
2004	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
2005	# get handled first	2597	# get handled first
…		…
2017	} else {	2609	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2611	}
2020	}	2612	}
2021	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
2022	);	2632	);
2023		2633
2024	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
2025		2635
2026	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		2683
2074	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
2075		2685
2076	=pod	2686	=pod
2077		2687
2078	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2079		2689
2080	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
2081	cf::object::player player	2694	cf::object::player
2082	cf::player peaceful	2695	player
2083	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2084		2702
2085	=cut	2703	=cut
2086		2704
2087	for (	2705	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2089	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2092	) {	2711	) {
2093	no strict 'refs';	2712	no strict 'refs';
…		…
2164	=back	2783	=back
2165		2784
2166	=cut	2785	=cut
2167		2786
2168	#############################################################################	2787	#############################################################################
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]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2788	# the server's init and main functions
2278		2789
2279	sub load_resources {	2790	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2791	my ($path) = @_;
		2792
		2793	warn "loading facedata from $path\n";
		2794
		2795	my $facedata;
		2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
		2798
		2799	$facedata = Coro::Storable::thaw $facedata;
		2800
		2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2803
		2804	{
		2805	my $faces = $facedata->{faceinfo};
		2806
		2807	while (my ($face, $info) = each %$faces) {
		2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
		2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2813
		2814	cf::cede_to_tick;
		2815	}
		2816
		2817	while (my ($face, $info) = each %$faces) {
		2818	next unless $info->{smooth};
		2819	my $idx = cf::face::find $face
		2820	or next;
		2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
		2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2824	} else {
		2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2826	}
		2827
		2828	cf::cede_to_tick;
		2829	}
		2830	}
		2831
		2832	{
		2833	my $anims = $facedata->{animinfo};
		2834
		2835	while (my ($anim, $info) = each %$anims) {
		2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871	}
		2872
		2873	1
		2874	}
		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
		2906	sub reload_resources {
		2907	warn "reloading resource files...\n";
		2908
		2909	reload_regions;
		2910	reload_facedata;
		2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
		2916	}
		2917
		2918	sub init {
		2919	reload_resources;
2282	}	2920	}
2283		2921
2284	sub cfg_load {	2922	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2924	or return;
2287		2925
2288	local $/;	2926	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2290		2928
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2936	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2937	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2938	};
2301	warn $@ if $@;	2939	warn $@ if $@;
2302	}	2940	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2941	}
2308		2942
2309	sub main {	2943	sub main {
2310	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2948	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2949	})->prio (Coro::PRIO_MAX);
2316	};	2950	};
2317		2951
2318	cfg_load;	2952	cfg_load;
2319	db_load;	2953	db_init;
2320	load_extensions;	2954	load_extensions;
2321		2955
2322	$TICK_WATCHER->start;	2956	$TICK_WATCHER->start;
2323	Event::loop;	2957	Event::loop;
2324	}	2958	}
…		…
2339	},	2973	},
2340	);	2974	);
2341	}	2975	}
2342	}	2976	}
2343		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
		3014	}
		3015
2344	sub emergency_save() {	3016	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2346		3018
2347	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2348		3020
…		…
2363	my $map = $cf::MAP{$path} or next;	3035	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3036	$map->valid or next;
2365	$map->save;	3037	$map->save;
2366	}	3038	}
2367	warn "end emergency map save\n";	3039	warn "end emergency map save\n";
		3040
		3041	warn "begin emergency database checkpoint\n";
		3042	BDB::db_env_txn_checkpoint $DB_ENV;
		3043	warn "end emergency database checkpoint\n";
2368	};	3044	};
2369		3045
2370	warn "leave emergency perl save\n";	3046	warn "leave emergency perl save\n";
2371	}	3047	}
2372		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2373	sub reload() {	3056	sub do_reload_perl() {
2374	# can/must only be called in main	3057	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3059	warn "can only reload from main coroutine";
2377	return;	3060	return;
2378	}	3061	}
2379		3062
2380	warn "reloading...";	3063	warn "reloading...";
2381		3064
2382	warn "cancelling server ticker";	3065	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2386		3071
2387	eval {	3072	warn "syncing database to disk";
		3073	BDB::db_env_txn_checkpoint $DB_ENV;
		3074
2388	# if anything goes wrong in here, we should simply crash as we already saved	3075	# 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		3076
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3080	}
2397		3081
2398	warn "flushing outstanding aio requests";	3082	warn "flushing outstanding aio requests";
2399	for (;;) {	3083	for (;;) {
		3084	BDB::flush;
2400	IO::AIO::flush;	3085	IO::AIO::flush;
2401	Coro::cede;	3086	Coro::cede;
2402	last unless IO::AIO::nreqs;	3087	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3088	warn "iterate...";
2404	}	3089	}
		3090
		3091	++$RELOAD;
2405		3092
2406	warn "cancelling all extension coros";	3093	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3095	%EXT_CORO = ();
2409		3096
2410	warn "removing commands";	3097	warn "removing commands";
2411	%COMMAND = ();	3098	%COMMAND = ();
2412		3099
2413	warn "removing ext commands";	3100	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2415		3103
2416	warn "unloading/nuking all extensions";	3104	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2419		3107
…		…
2449	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3139
2452	warn "unloading cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2454		3143
2455	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3145	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2458		3147
…		…
2462	require cf;	3151	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3153
2465	warn "loading config and database again";	3154	warn "loading config and database again";
2466	cf::cfg_load;	3155	cf::cfg_load;
2467	cf::db_load;
2468		3156
2469	warn "loading extensions";	3157	warn "loading extensions";
2470	cf::load_extensions;	3158	cf::load_extensions;
2471		3159
2472	warn "reattaching attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3161	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3162	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
		3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2476		3166
2477	warn "loading reloadable resources";	3167	warn "leaving sync_job";
2478	load_resources;
2479		3168
2480	warn "restarting server ticker";	3169	1
2481		3170	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3171	warn $@;
2487	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2488	exit 1;	3173	exit 1;
2489	}	3174	};
2490		3175
2491	warn "reloaded";	3176	warn "reloaded";
2492	};	3177	};
2493		3178
2494	our $RELOAD_WATCHER; # used only during reload	3179	our $RELOAD_WATCHER; # used only during reload
2495		3180
		3181	sub reload_perl() {
		3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
		3184
		3185	$RELOAD_WATCHER ||= Event->timer (
		3186	reentrant => 0,
		3187	after => 0,
		3188	data => WF_AUTOCANCEL,
		3189	cb => sub {
		3190	do_reload_perl;
		3191	undef $RELOAD_WATCHER;
		3192	},
		3193	);
		3194	}
		3195
2496	register_command "reload" => sub {	3196	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2498		3198
2499	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3200	$who->message ("reloading server.");
2501		3201	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	}	3202	}
2515	};	3203	};
2516		3204
2517	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2518		3206
2519	my $bug_warning = 0;	3207	my $bug_warning = 0;
2520		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3233	reentrant => 0,
2523	parked => 1,	3234	parked => 1,
2524	prio => 0,	3235	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3241	unless ++$bug_warning > 10;
2531	return;	3242	return;
2532	}	3243	}
2533		3244
2534	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2535		3246
2536	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2537	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2539		3274
2540	$WAIT_FOR_TICK->broadcast;	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3277	Coro::async_pool {
2543	Event::sweep;	3278	write_runtime
2544	Coro::cede_notself;	3279	or warn "ERROR: unable to write runtime file: $!";
		3280	};
2545		3281	}
		3282
2546	# my $AFTER = Event::time;	3283	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3284	# warn $AFTER - $NOW;#d#
2548		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
		3294
2549	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3297
2552	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2554	},	3307	},
2555	);	3308	);
2556		3309
		3310	{
		3311	BDB::max_poll_time $TICK * 0.1;
		3312	$BDB_POLL_WATCHER = Event->io (
		3313	reentrant => 0,
		3314	fd => BDB::poll_fileno,
		3315	poll => 'r',
		3316	prio => 0,
		3317	data => WF_AUTOCANCEL,
		3318	cb => \&BDB::poll_cb,
		3319	);
		3320	BDB::min_parallel 8;
		3321
		3322	BDB::set_sync_prepare {
		3323	my $status;
		3324	my $current = $Coro::current;
		3325	(
		3326	sub {
		3327	$status = $!;
		3328	$current->ready; undef $current;
		3329	},
		3330	sub {
		3331	Coro::schedule while defined $current;
		3332	$! = $status;
		3333	},
		3334	)
		3335	};
		3336
		3337	unless ($DB_ENV) {
		3338	$DB_ENV = BDB::db_env_create;
		3339
		3340	cf::sync_job {
		3341	eval {
		3342	BDB::db_env_open
		3343	$DB_ENV,
		3344	$BDBDIR,
		3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3347	0666;
		3348
		3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3350
		3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3352	$DB_ENV->set_lk_detect;
		3353	};
		3354
		3355	cf::cleanup "db_env_open(db): $@" if $@;
		3356	};
		3357	}
		3358	}
		3359
		3360	{
		3361	IO::AIO::min_parallel 8;
		3362
		3363	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3364	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3365	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3366	reentrant => 0,
		3367	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3368	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3369	poll => 'r',
2564	prio => 6,	3370	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3371	cb => \&IO::AIO::poll_cb,
2567	);	3372	);
		3373	}
2568		3374
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3375	my $_log_backtrace;
2570	reentrant => 0,	3376
2571	data => WF_AUTOCANCEL,	3377	sub _log_backtrace {
2572	after => 1,	3378	my ($msg, @addr) = @_;
2573	interval => 10,	3379
2574	prio => 6, # keep it lowest so it acts like a watchdog	3380	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3381
2576	write_runtime	3382	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
		3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3410	}
2579	);	3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
2580		3415
2581	END { cf::emergency_save }	3416	END { cf::emergency_save }
2582		3417
2583	1	3418	1
2584		3419

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