ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.414 by root, Thu Apr 10 09:10:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.3 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
		82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	95	our $AIO_POLL_WATCHER;
		96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	97	our $NEXT_TICK;
50	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
51		105
52	our %CFG;	106	our %CFG;
53		107
54	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
56		111
57	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		115
65	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
68	binmode STDOUT;	124	binmode STDOUT;
69	binmode STDERR;	125	binmode STDERR;
70		126
71	# read virtual server time, if available	127	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
76	}	132	}
77		133
78	mkdir cf::localdir;	134	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		136
84	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
85		140
86	#############################################################################	141	#############################################################################
87		142
88	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
89		144
…		…
96	=item $cf::RUNTIME	151	=item $cf::RUNTIME
97		152
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	154	every server tick.
100		155
101	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		159
103	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
105		164
106	=item $cf::NOW	165	=item $cf::NOW
107		166
108	The time of the last (current) server tick.	167	The time of the last (current) server tick.
109		168
110	=item $cf::TICK	169	=item $cf::TICK
111		170
112	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
113		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
114	=item %cf::CFG	183	=item %cf::CFG
115		184
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	186	from wherever your confdir points to.
118		187
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		189
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
125		199
126	=back	200	=back
127		201
128	=cut	202	=cut
129		203
130	BEGIN {	204	BEGIN {
131	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	206	my $msg = join "", @_;
133	utf8::encode $msg;
134		207
135	$msg .= "\n"	208	$msg .= "\n"
136	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
137		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
138	LOG llevError, $msg;	213	LOG llevError, $msg;
139	};	214	};
140	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
141		231
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		239
149	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	241	# within the Safe compartment.
151	for my $pkg (qw(	242	for my $pkg (qw(
152	cf::global cf::attachable	243	cf::global cf::attachable
…		…
157	)) {	248	)) {
158	no strict 'refs';	249	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	251	}
161		252
162	$Event::DIED = sub {	253	$EV::DIED = sub {
163	warn "error in event callback: @_";	254	warn "error in event callback: @_";
164	};	255	};
		256
		257	#############################################################################
165		258
166	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
167		260
168	=over 4	261	=over 4
169		262
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	282	$d
190	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
191	}	284	}
192		285
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
196		287
197	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
198		289
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
207		291
208	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
209		293
210	=cut	294	=cut
211		295
212	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
214	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
216		300
217	=item cf::lock_wait $string	301	=item cf::lock_wait $string
218		302
219	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
220		304
…		…
223	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
226	returned.	310	returned.
227		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
228	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
230		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
231	=cut	322	=cut
232		323
233	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
234		326
235	sub lock_wait($) {	327	sub lock_wait($) {
236	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
237		334
238	# wait for lock, if any	335	# wait for lock, if any
239	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	338	Coro::schedule;
…		…
247		344
248	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
249	lock_wait $key;	346	lock_wait $key;
250		347
251	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
252		350
253	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
256	}	355	}
257	}	356	}
258		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
259	sub freeze_mainloop {	364	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
261		366
262	my $guard = Coro::guard { $TICK_WATCHER->start };	367	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	368	}
264	$guard	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
		428	}
		429	};
		430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
265	}	441	}
266		442
267	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
268		444
269	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		450
275	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
276		452
277	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
278		454
279	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
282		459
283	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
286	fast or be very important.	463	fast or be very important.
…		…
289		466
290	sub sync_job(&) {	467	sub sync_job(&) {
291	my ($job) = @_;	468	my ($job) = @_;
292		469
293	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
294	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
296		475
297	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	477
299	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
300		479
301	my $busy = 1;	480	my $busy = 1;
302	my @res;	481	my @res;
303		482
304	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	485	@res = eval { $job->() };
306	warn $@ if $@;	486	warn $@ if $@;
307	undef $busy;	487	undef $busy;
308	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
309		489
310	while ($busy) {	490	while ($busy) {
311	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
312	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
313		501
314	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
315	} else {	503	} else {
316	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
317		505
…		…
337	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
338		526
339	$coro	527	$coro
340	}	528	}
341		529
342	sub write_runtime {	530	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		531
345	my $runtime = cf::localdir . "/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
346		536
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
348	or return;
349		538
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	539	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	540	my ($cb, @args) = @_;
352	and return;
353		541
354	aio_fsync $fh	542	# we seemingly have to make a local copy of the whole thing,
355	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
356		545
357	close $fh	546	my @res = Coro::Util::fork_eval {
358	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
359		550
360	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
361	and return;	552	}
362		553
		554	=item $value = cf::db_get $family => $key
		555
		556	Returns a single value from the environment database.
		557
		558	=item cf::db_put $family => $key => $value
		559
		560	Stores the given C<$value> in the family. It can currently store binary
		561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
363	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
		679	}
		680
		681	=item cf::datalog type => key => value, ...
		682
		683	Log a datalog packet of the given type with the given key-value pairs.
		684
		685	=cut
		686
		687	sub datalog($@) {
		688	my ($type, %kv) = @_;
		689	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	690	}
365		691
366	=back	692	=back
367		693
368	=cut	694	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
377		703
378	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	706	Deliantra).
381		707
382	=over 4	708	=over 4
383		709
384	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
385		711
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	825	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	826	our @CB_MAP = ();
501		827
502	my %attachment;	828	my %attachment;
503		829
		830	sub cf::attachable::thawer_merge {
		831	# simply override everything except _meta
		832	local $_[0]{_meta};
		833	%{$_[0]} = %{$_[1]};
		834	}
		835
504	sub _attach_cb($$$$) {	836	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	837	my ($registry, $event, $prio, $cb) = @_;
506		838
507	use sort 'stable';	839	use sort 'stable';
508		840
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
543		875
544	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		880
549	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	882	my $pkg = shift @arg;
551		883
552	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
582	}	914	}
583		915
584	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
585	} else {	917	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	919	}
588		920
589	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
590	}	922	}
591		923
…		…
593	if (ref $_[0]) {	925	if (ref $_[0]) {
594	_object_attach @_;	926	_object_attach @_;
595	} else {	927	} else {
596	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
597	}	929	}
		930	_recalc_want;
598	};	931	};
599		932
600	# all those should be optimised	933	# all those should be optimised
601	sub cf::attachable::detach {	934	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
606	reattach ($obj);	939	reattach ($obj);
607	} else {	940	} else {
608	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
609	}	942	}
		943	_recalc_want;
610	};	944	};
611		945
612	sub cf::attachable::attached {	946	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
614		948
…		…
629	";	963	";
630	die if $@;	964	die if $@;
631	}	965	}
632		966
633	our $override;	967	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		969
636	sub override {	970	sub override {
637	$override = 1;	971	$override = 1;
638	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
639	}	973	}
640		974
641	sub do_invoke {	975	sub do_invoke {
642	my $event = shift;	976	my $event = shift;
643	my $callbacks = shift;	977	my $callbacks = shift;
644		978
645	@invoke_results = ();	979	@INVOKE_RESULTS = ();
646		980
647	local $override;	981	local $override;
648		982
649	for (@$callbacks) {	983	for (@$callbacks) {
650	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
659	}	993	}
660		994
661	0	995	0
662	}	996	}
663		997
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		999
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1001
668	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
669		1003
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	1005	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1007
674	=back	1008	=back
675		1009
676	=cut	1010	=cut
677		1011
678	#############################################################################	1012	#############################################################################
679	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
680		1056
681	sub reattach {	1057	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1059	my ($obj) = @_;
		1060
		1061	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1062
685	my $registry = $obj->registry;	1063	my $registry = $obj->registry;
686		1064
687	@$registry = ();	1065	@$registry = ();
688		1066
…		…
703	cf::attachable->attach (	1081	cf::attachable->attach (
704	prio => -1000000,	1082	prio => -1000000,
705	on_instantiate => sub {	1083	on_instantiate => sub {
706	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
707		1085
708	$data = from_json $data;	1086	$data = decode_json $data;
709		1087
710	for (@$data) {	1088	for (@$data) {
711	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
712		1090
713	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1107	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
731		1109
732	sync_job {	1110	sync_job {
733	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
736		1115
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1119	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1120	close $fh;
742		1121
743	if (@$objs) {	1122	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1127	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1128	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
751	}	1130	}
752	} else {	1131	} else {
753	aio_unlink "$filename.pst";	1132	aio_unlink "$filename.pst";
…		…
759	}	1138	}
760	} else {	1139	} else {
761	aio_unlink $filename;	1140	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
763	}	1142	}
764	}	1143	};
765	}	1144	}
766		1145
767	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
769		1148
…		…
781	or return;	1160	or return;
782		1161
783	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
785	or return;	1164	or return;
		1165
786	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
787	}	1168	}
788		1169
		1170	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
791	return ($data, $av);	1174	($data, $av)
792	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
793		1182
794	#############################################################################	1183	#############################################################################
795	# command handling &c	1184	# command handling &c
796		1185
797	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1200	}
812		1201
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1203
815	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
816		1209
817	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
818	called.	1211	called.
819		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
820	=cut	1224	=cut
821		1225
822	sub register_extcmd {	1226	sub register_extcmd {
823	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
824		1228
825	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
826	}	1236	}
827		1237
828	cf::player->attach (	1238	cf::player->attach (
829	on_command => sub {	1239	on_command => sub {
830	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1249	cf::override;
840	},	1250	},
841	on_extcmd => sub {	1251	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
843		1253
844	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1255
846	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
852	} else {	1271	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1273	}
855		1274
856	cf::override;	1275	cf::override;
857	},	1276	},
858	);	1277	);
859		1278
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
895	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1284	next unless -r $path;
897	eval {	1285
898	load_extension $ext;	1286	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1287	my $base = $1;
		1288	my $pkg = $1;
		1289	$pkg =~ s/[^[:word:]]/_/g;
		1290	$pkg = "ext::$pkg";
		1291
		1292	open my $fh, "<:utf8", $path
		1293	or die "$path: $!";
		1294
		1295	my $source = do { local $/; <$fh> };
		1296
		1297	my %ext = (
		1298	path => $path,
		1299	base => $base,
		1300	pkg => $pkg,
		1301	);
		1302
		1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1305
		1306	$ext{source} =
		1307	"package $pkg; use strict; use utf8;\n"
		1308	. "#line 1 \"$path\"\n{\n"
		1309	. $source
		1310	. "\n};\n1";
		1311
		1312	$todo{$base} = \%ext;
		1313	}
		1314
		1315	my %done;
		1316	while (%todo) {
		1317	my $progress;
		1318
		1319	while (my ($k, $v) = each %todo) {
		1320	for (split /,\s*/, $v->{meta}{depends}) {
		1321	goto skip
		1322	unless exists $done{$_};
		1323	}
		1324
		1325	warn "... loading '$k' into '$v->{pkg}'\n";
		1326
		1327	unless (eval $v->{source}) {
		1328	my $msg = $@ ? "$v->{path}: $@\n"
		1329	: "$v->{base}: extension inactive.\n";
		1330
		1331	if (exists $v->{meta}{mandatory}) {
		1332	warn $msg;
		1333	cf::cleanup "mandatory extension failed to load, exiting.";
		1334	}
		1335
		1336	warn $msg;
		1337	}
		1338
		1339	$done{$k} = delete $todo{$k};
		1340	push @EXTS, $v->{pkg};
		1341	$progress = 1;
899	1	1342	}
900	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
901	}	1348	};
902	}	1349	}
903		1350
904	#############################################################################	1351	#############################################################################
905	# load/save/clean perl data associated with a map
906		1352
907	*cf::mapsupport::on_clean = sub {	1353	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1354
920	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
921		1356
922	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
923		1358
…		…
929		1364
930	=head3 cf::player	1365	=head3 cf::player
931		1366
932	=over 4	1367	=over 4
933		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
		1382
934	=item cf::player::find $login	1383	=item cf::player::find $login
935		1384
936	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
937		1386
938	=cut	1387	=cut
939		1388
940	sub playerdir($) {	1389	sub playerdir($) {
941	cf::localdir	1390	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1391	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1392	}
947		1393
948	sub path($) {	1394	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1395	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1396
951	(playerdir $login) . "/$login.pl"	1397	(playerdir $login) . "/playerdata"
952	}	1398	}
953		1399
954	sub find_active($) {	1400	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1401	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1402	and $cf::PLAYER{$_[0]}->active
…		…
959		1405
960	sub exists($) {	1406	sub exists($) {
961	my ($login) = @_;	1407	my ($login) = @_;
962		1408
963	$cf::PLAYER{$login}	1409	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1410	or cf::sync_job { !aio_stat path $login }
965	}	1411	}
966		1412
967	sub find($) {	1413	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1414	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1415	my $login = $_[0];
970		1416
971	my $guard = cf::lock_acquire "user_find:$login";	1417	my $guard = cf::lock_acquire "user_find:$login";
972		1418
973	$cf::PLAYER{$_[0]} || do {	1419	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1420	# rename old playerfiles to new ones
		1421	#TODO: remove when no longer required
		1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1425	aio_unlink +(playerdir $login) . "/$login.pl";
		1426
		1427	my $f = new_from_file cf::object::thawer path $login
975	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
977	}	1435	}
978	}	1436	}
979	}	1437	}
980		1438
…		…
990		1448
991	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
993		1451
994	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
995	Coro::cede;	1453	cf::cede_to_tick;
996	}	1454	}
997		1455
998	sub new($) {	1456	sub new($) {
999	my ($login) = @_;	1457	my ($login) = @_;
1000		1458
…		…
1006	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1007		1465
1008	$self	1466	$self
1009	}	1467	}
1010		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
		1477	}
		1478
1011	=item $pl->quit_character	1479	=item $pl->quit_character
1012		1480
1013	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1482	be destroyed. May block for a long time.
1015		1483
1016	=cut	1484	=cut
1017		1485
1018	sub quit_character {	1486	sub quit_character {
1019	my ($pl) = @_;	1487	my ($pl) = @_;
		1488
		1489	my $name = $pl->ob->name;
1020		1490
1021	$pl->{deny_save} = 1;	1491	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1492	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1493
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1499	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1500	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1501	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1502	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1503	$pl->destroy;
		1504
		1505	my $prefix = qr<^~\Q$name\E/>;
		1506
		1507	# nuke player maps
		1508	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1509
1034	IO::AIO::aio_rmtree $temp;	1510	IO::AIO::aio_rmtree $temp;
		1511	}
		1512
		1513	=item $pl->kick
		1514
		1515	Kicks a player out of the game. This destroys the connection.
		1516
		1517	=cut
		1518
		1519	sub kick {
		1520	my ($pl, $kicker) = @_;
		1521
		1522	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1523	$pl->killer ("kicked");
		1524	$pl->ns->destroy;
1035	}	1525	}
1036		1526
1037	=item cf::player::list_logins	1527	=item cf::player::list_logins
1038		1528
1039	Returns am arrayref of all valid playernames in the system, can take a	1529	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1530	while and may block, so not sync_job-capable, ever.
1041		1531
1042	=cut	1532	=cut
1043		1533
1044	sub list_logins {	1534	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1535	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1536	or return [];
1047		1537
1048	my @logins;	1538	my @logins;
1049		1539
1050	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1054		1549
1055	utf8::decode $login;	1550	utf8::decode $login;
1056	push @logins, $login;	1551	push @logins, $login;
1057	}	1552	}
1058		1553
…		…
1066		1561
1067	=cut	1562	=cut
1068		1563
1069	sub maps($) {	1564	sub maps($) {
1070	my ($pl) = @_;	1565	my ($pl) = @_;
		1566
		1567	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1568
1072	my $files = aio_readdir playerdir $pl	1569	my $files = aio_readdir playerdir $pl
1073	or return;	1570	or return;
1074		1571
1075	my @paths;	1572	my @paths;
…		…
1077	for (@$files) {	1574	for (@$files) {
1078	utf8::decode $_;	1575	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1576	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1577	next unless /^$PATH_SEP/o;
1081		1578
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1579	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1580	}
1084		1581
1085	\@paths	1582	\@paths
1086	}	1583	}
1087		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1089		1679
1090	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1091		1681
1092	=cut	1682	=cut
1093		1683
1094	sub ext_reply($$$%) {	1684	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1096		1686
1097	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1688	}
1101		1689
1102	package cf;	1690	=item $player->ext_msg ($type, @msg)
		1691
		1692	Sends an ext event to the client.
		1693
		1694	=cut
		1695
		1696	sub ext_msg($$@) {
		1697	my ($self, $type, @msg) = @_;
		1698
		1699	$self->ns->ext_msg ($type, @msg);
		1700	}
		1701
		1702	=head3 cf::region
		1703
		1704	=over 4
		1705
		1706	=cut
		1707
		1708	package cf::region;
		1709
		1710	=item cf::region::find_by_path $path
		1711
		1712	Tries to decuce the likely region for a map knowing only its path.
		1713
		1714	=cut
		1715
		1716	sub find_by_path($) {
		1717	my ($path) = @_;
		1718
		1719	my ($match, $specificity);
		1720
		1721	for my $region (list) {
		1722	if ($region->{match} && $path =~ $region->{match}) {
		1723	($match, $specificity) = ($region, $region->specificity)
		1724	if $region->specificity > $specificity;
		1725	}
		1726	}
		1727
		1728	$match
		1729	}
1103		1730
1104	=back	1731	=back
1105
1106		1732
1107	=head3 cf::map	1733	=head3 cf::map
1108		1734
1109	=over 4	1735	=over 4
1110		1736
…		…
1114		1740
1115	use Fcntl;	1741	use Fcntl;
1116	use Coro::AIO;	1742	use Coro::AIO;
1117		1743
1118	use overload	1744	use overload
1119	'""' => \&as_string;	1745	'""' => \&as_string,
		1746	fallback => 1;
1120		1747
1121	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1123		1750
1124	sub generate_random_map {	1751	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1752	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1753	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1754	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1755	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1756	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1757	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1764	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1765	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1766	)
1141	}	1767	}
1142		1768
		1769	=item cf::map->register ($regex, $prio)
		1770
		1771	Register a handler for the map path matching the given regex at the
		1772	givne priority (higher is better, built-in handlers have priority 0, the
		1773	default).
		1774
		1775	=cut
		1776
1143	sub register {	1777	sub register {
1144	my (undef, $regex) = @_;	1778	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1779	my $pkg = caller;
1146		1780
1147	no strict;	1781	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1782	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1783
1150	$EXT_MAP{$pkg} = qr<$regex>;	1784	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1785	}
1152		1786
1153	# also paths starting with '/'	1787	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1788	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1789
		1790	sub thawer_merge {
		1791	my ($self, $merge) = @_;
		1792
		1793	# we have to keep some variables in memory intact
		1794	local $self->{path};
		1795	local $self->{load_path};
		1796
		1797	$self->SUPER::thawer_merge ($merge);
		1798	}
1155		1799
1156	sub normalise {	1800	sub normalise {
1157	my ($path, $base) = @_;	1801	my ($path, $base) = @_;
		1802
		1803	$path = "$path"; # make sure its a string
		1804
		1805	$path =~ s/\.map$//;
1158		1806
1159	# map plan:	1807	# map plan:
1160	#	1808	#
1161	# /! non-realised random map exit (special hack!)	1809	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1810	# {... are special paths that are not being touched
…		…
1190		1838
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1839	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1840
1193	$path = normalise $path, $base;	1841	$path = normalise $path, $base;
1194		1842
1195	for my $pkg (keys %EXT_MAP) {	1843	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1844	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1845	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1846	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1200	return $self;	1848	return $self;
1201	}	1849	}
1202	}	1850	}
1203		1851
1204	Carp::carp "unable to resolve path '$path'.";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1853	()
1206	}	1854	}
1207		1855
1208	sub init {	1856	sub init {
1209	my ($self) = @_;	1857	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1868	# the displayed name, this is a one way mapping
1221	sub visible_name {	1869	sub visible_name {
1222	&as_string	1870	&as_string
1223	}	1871	}
1224		1872
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1873	# the original (read-only) location
1233	sub load_path {	1874	sub load_path {
1234	my ($self) = @_;	1875	my ($self) = @_;
1235		1876
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1877	"$MAPDIR/$self->{path}.map"
1237	}	1878	}
1238		1879
1239	# the temporary/swap location	1880	# the temporary/swap location
1240	sub save_path {	1881	sub save_path {
1241	my ($self) = @_;	1882	my ($self) = @_;
1242		1883
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1885	"$TMPDIR/$path.map"
1244	}	1886	}
1245		1887
1246	# the unique path, undef == no special unique path	1888	# the unique path, undef == no special unique path
1247	sub uniq_path {	1889	sub uniq_path {
1248	my ($self) = @_;	1890	my ($self) = @_;
1249		1891
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1893	"$UNIQUEDIR/$path"
1251	}	1894	}
1252		1895
1253	# and all this just because we cannot iterate over	1896	# and all this just because we cannot iterate over
1254	# all maps in C++...	1897	# all maps in C++...
1255	sub change_all_map_light {	1898	sub change_all_map_light {
…		…
1257		1900
1258	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1260	}	1903	}
1261		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1262	sub unlink_save {	1913	sub unlink_save {
1263	my ($self) = @_;	1914	my ($self) = @_;
1264		1915
1265	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1918	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1919	}
1269		1920
1270	sub load_header_from($) {	1921	sub load_header_from($) {
1271	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1272		1923
1273	utf8::encode $path;	1924	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1275	or return;	1926	or return;
1276		1927
1277	$self->_load_header ($path)	1928	$self->_load_header ($f)
1278	or return;	1929	or return;
1279		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
		1933
1280	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1281		1935
1282	1	1936	1
1283	}	1937	}
1284		1938
1285	sub load_orig {	1939	sub load_header_orig {
1286	my ($self) = @_;	1940	my ($self) = @_;
1287		1941
1288	$self->load_header_from ($self->load_path)	1942	$self->load_header_from ($self->load_path)
1289	}	1943	}
1290		1944
1291	sub load_temp {	1945	sub load_header_temp {
1292	my ($self) = @_;	1946	my ($self) = @_;
1293		1947
1294	$self->load_header_from ($self->save_path)	1948	$self->load_header_from ($self->save_path)
		1949	}
		1950
		1951	sub prepare_temp {
		1952	my ($self) = @_;
		1953
		1954	$self->last_access ((delete $self->{last_access})
		1955	|| $cf::RUNTIME); #d#
		1956	# safety
		1957	$self->{instantiate_time} = $cf::RUNTIME
		1958	if $self->{instantiate_time} > $cf::RUNTIME;
		1959	}
		1960
		1961	sub prepare_orig {
		1962	my ($self) = @_;
		1963
		1964	$self->{load_original} = 1;
		1965	$self->{instantiate_time} = $cf::RUNTIME;
		1966	$self->last_access ($cf::RUNTIME);
		1967	$self->instantiate;
1295	}	1968	}
1296		1969
1297	sub load_header {	1970	sub load_header {
1298	my ($self) = @_;	1971	my ($self) = @_;
1299		1972
1300	if ($self->load_temp) {	1973	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1974	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1975	} else {
1307	$self->load_orig	1976	$self->load_header_orig
1308	or return;	1977	or return;
1309		1978	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1979	}
		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
		1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
1315		1986
1316	1	1987	1
1317	}	1988	}
1318		1989
1319	sub find;	1990	sub find;
1320	sub find {	1991	sub find {
1321	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1322		1993
1323	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1324		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1326		1998
1327	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1329	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1330	or return;	2004	or return;
1331		2005
1332	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1333		2007
1334	$map->load_header	2008	$map->load_header
1335	or return;	2009	or return;
1336		2010
1337	if ($map->should_reset) {	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2012	# doing this can freeze the server in a sync job, obviously
		2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1338	$map->reset;	2016	$map->reset;
1339	undef $guard;
1340	$map = find $path	2017	return find $path;
1341	or return;
1342	}	2018	}
1343		2019
1344	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1345	}	2021	}
1346	}	2022	}
		2023
		2024	sub pre_load { }
		2025	sub post_load { }
1347		2026
1348	sub load {	2027	sub load {
1349	my ($self) = @_;	2028	my ($self) = @_;
1350		2029
		2030	local $self->{deny_reset} = 1; # loading can take a long time
		2031
1351	my $path = $self->{path};	2032	my $path = $self->{path};
		2033
		2034	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1353		2036
		2037	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2039
1356	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1357		2041
1358	$self->alloc;	2042	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2043
		2044	$self->pre_load;
		2045	cf::cede_to_tick;
		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
		2049	$self->_load_objects ($f)
1360	or return;	2050	or return;
1361		2051
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2053	if delete $self->{load_original};
1364		2054
1365	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2056	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2059	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1370	}	2063	}
1371	}	2064	}
1372		2065
1373	Coro::cede;	2066	$f->resolve_delayed_derefs;
1374		2067
		2068	cf::cede_to_tick;
1375	# now do the right thing for maps	2069	# now do the right thing for maps
1376	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2072	unless $self->difficulty;
1386	Coro::cede;	2073	cf::cede_to_tick;
		2074
		2075	unless ($self->{deny_activate}) {
		2076	$self->decay_objects;
		2077	$self->fix_auto_apply;
		2078	$self->update_buttons;
		2079	cf::cede_to_tick;
		2080	$self->set_darkness_map;
		2081	cf::cede_to_tick;
1387	$self->activate;	2082	$self->activate;
1388	}	2083	}
1389		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
		2087
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
		2089	}
		2090
		2091	$self->post_load;
1391	}	2092	}
1392		2093
1393	sub customise_for {	2094	sub customise_for {
1394	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1395		2096
1396	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2098	if $self->per_player;
1398		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1399	$self	2103	$self
1400	}	2104	}
1401		2105
1402	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2107	sub load_neighbours {
1404	my ($map) = @_;	2108	my ($map) = @_;
1405		2109
1406	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1407		2111
1408	for (0 .. 3) {	2112	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1410	or next;	2114	or next;
1411	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1412	or next;	2116	or next;
1413	$neigh->load;	2117	$neigh->load;
1414		2118
		2119	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2122	}
1418		2123
1419	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1421	or next;	2127	or next;
1422	$neigh->load;	2128	$neigh->load;
1423	}	2129	}
1424	}	2130	}
1425		2131
…		…
1430	}	2136	}
1431		2137
1432	sub do_load_sync {	2138	sub do_load_sync {
1433	my ($map) = @_;	2139	my ($map) = @_;
1434		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1435	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1436	}	2145	}
1437		2146
1438	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2148	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2149
1452	sub find_async {	2150	sub find_async {
1453	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1454		2152
1455	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1456		2154
1457	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2157	}
		2158
		2159	$MAP_PREFETCH{$path} |= $load;
		2160
		2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
		2164	while (%MAP_PREFETCH) {
		2165	while (my ($k, $v) = each %MAP_PREFETCH) {
		2166	if (my $map = find $k) {
		2167	$map->load if $v;
		2168	}
		2169
		2170	delete $MAP_PREFETCH{$k};
		2171	}
		2172	}
		2173	undef $MAP_PREFETCHER;
1459	}	2174	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2175	$MAP_PREFETCHER->prio (6);
1463		2176
1464	()	2177	()
1465	}	2178	}
1466		2179
1467	sub save {	2180	sub save {
1468	my ($self) = @_;	2181	my ($self) = @_;
1469		2182
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2184
1472	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1473		2186
1474	return unless $self->dirty;	2187	return unless $self->dirty;
1475		2188
…		…
1481	return if $self->{deny_save};	2194	return if $self->{deny_save};
1482		2195
1483	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1484		2197
1485	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1487	};	2201	};
1488		2202
1489	if ($uniq) {	2203	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2212	my ($self) = @_;
1499		2213
1500	# save first because save cedes	2214	# save first because save cedes
1501	$self->save;	2215	$self->save;
1502		2216
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2218
1505	return if $self->players;	2219	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2221	return if $self->{deny_save};
1508		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2227	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2228	}
1512		2229
1513	sub reset_at {	2230	sub reset_at {
1514	my ($self) = @_;	2231	my ($self) = @_;
1515		2232
1516	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1519		2235
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2238
…		…
1527	my ($self) = @_;	2243	my ($self) = @_;
1528		2244
1529	$self->reset_at <= $cf::RUNTIME	2245	$self->reset_at <= $cf::RUNTIME
1530	}	2246	}
1531		2247
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2248	sub reset {
1547	my ($self) = @_;	2249	my ($self) = @_;
1548		2250
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2252
1551	return if $self->players;	2253	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2254
1554	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
		2256
		2257	$self->in_memory (cf::MAP_SWAPPED);
		2258
		2259	# need to save uniques path
		2260	unless ($self->{deny_save}) {
		2261	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2262
		2263	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2264	if $uniq;
		2265	}
1555		2266
1556	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1557		2268
		2269	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2270	$_->clear_links_to ($self) for values %cf::MAP;
		2271	$self->clear;
1559		2272
1560	$self->unlink_save;	2273	$self->unlink_save;
1561	$self->destroy;	2274	$self->destroy;
1562	}	2275	}
1563		2276
1564	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1565		2278
1566	sub nuke {	2279	sub nuke {
1567	my ($self) = @_;	2280	my ($self) = @_;
1568		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
		2285	delete $cf::MAP{$self->path};
		2286
		2287	$self->unlink_save;
		2288
		2289	bless $self, "cf::map";
		2290	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2294
		2295	$cf::MAP{$self->path} = $self;
		2296	}
		2297
1572	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
		2299	}
		2300
		2301	=item $maps = cf::map::tmp_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	maps. May block.
		2305
		2306	=cut
		2307
		2308	sub tmp_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise $_
		2314	: ()
		2315	} @{ aio_readdir $TMPDIR or [] }
		2316	]
		2317	}
		2318
		2319	=item $maps = cf::map::random_maps
		2320
		2321	Returns an arrayref with all map paths of currently instantiated and saved
		2322	random maps. May block.
		2323
		2324	=cut
		2325
		2326	sub random_maps() {
		2327	[
		2328	map {
		2329	utf8::decode $_;
		2330	/\.map$/
		2331	? normalise "?random/$_"
		2332	: ()
		2333	} @{ aio_readdir $RANDOMDIR or [] }
		2334	]
1573	}	2335	}
1574		2336
1575	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1576		2338
1577	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2340	instantiated unique items. May block.
1579		2341
1580	=cut	2342	=cut
1581		2343
1582	sub unique_maps() {	2344	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2345	[
1584	or return;	2346	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2347	utf8::decode $_;
1590	next if /\.pst$/;	2348	/\.map$/
1591	next unless /^$PATH_SEP/o;	2349	? normalise $_
1592		2350	: ()
1593	push @paths, $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2352	]
1595
1596	\@paths
1597	}	2353	}
1598		2354
1599	package cf;	2355	package cf;
1600		2356
1601	=back	2357	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1620	}	2376	}
1621		2377
1622	sub inv_recursive {	2378	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
		2380	}
		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
1624	}	2408	}
1625		2409
1626	package cf;	2410	package cf;
1627		2411
1628	=back	2412	=back
…		…
1647		2431
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2433
1650	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1652	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1655	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1656	}	2459	}
1657		2460
1658	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1659		2462
1660	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2495	=cut
1693		2496
1694	sub link_map {	2497	sub link_map {
1695	unless ($LINK_MAP) {	2498	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2499	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2500	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2501	$LINK_MAP->load;
1699	}	2502	}
1700		2503
1701	$LINK_MAP	2504	$LINK_MAP
1702	}	2505	}
…		…
1707	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1708		2511
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2513
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1713		2516
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2518	}
1716		2519
1717	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1719		2524
1720	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1721		2526
1722	unless ($map) {	2527	unless ($map) {
1723	# restore original map position	2528	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1740		2545
1741	$map->load;	2546	$map->load;
1742	$map->load_diag;	2547	$map->load_neighbours;
1743		2548
1744	return unless $self->contr->active;	2549	return unless $self->contr->active;
1745	$self->activate_recursive;	2550	$self->activate_recursive;
		2551
		2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1747	}	2554	}
1748		2555
1749	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2557
1753	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1757	};	2562	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2563
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1784		2567
1785	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
		2570
		2571	# do generation counting so two concurrent goto's will be executed in-order
		2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2573
1788	$self->enter_link;	2574	$self->enter_link;
1789		2575
1790	(async {	2576	(async {
1791	my $map = cf::map::find $path;	2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
		2598	my $map = eval {
		2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
1793		2603	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2604	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
1798		2607
		2608	$map
		2609	};
		2610
		2611	if ($@) {
		2612	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	LOG llevError | logBacktrace, Carp::longmess $@;
		2614	}
		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1800	})->prio (1);	2622	})->prio (1);
1801	}	2623	}
1802		2624
1803	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1804		2626
…		…
1806		2628
1807	sub parse_random_map_params {	2629	sub parse_random_map_params {
1808	my ($spec) = @_;	2630	my ($spec) = @_;
1809		2631
1810	my $rmp = { # defaults	2632	my $rmp = { # defaults
1811	xsize => 10,	2633	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2634	ysize => (cf::rndm 15, 40),
		2635	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2636	#layout => string,
1813	};	2637	};
1814		2638
1815	for (split /\n/, $spec) {	2639	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2640	my ($k, $v) = split /\s+/, $_, 2;
1817		2641
…		…
1821	$rmp	2645	$rmp
1822	}	2646	}
1823		2647
1824	sub prepare_random_map {	2648	sub prepare_random_map {
1825	my ($exit) = @_;	2649	my ($exit) = @_;
		2650
		2651	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2652
1827	# all this does is basically replace the /! path by	2653	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2654	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2655	# that depends on the exit object
1830		2656
1831	my $rmp = parse_random_map_params $exit->msg;	2657	my $rmp = parse_random_map_params $exit->msg;
1832		2658
1833	if ($exit->map) {	2659	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2660	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2661	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2662	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
1838	}	2664	}
1839		2665
1840	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
1841		2667
1842	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
		2670	my $meta = "$RANDOMDIR/$md5.meta";
1844		2671
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
		2674	undef $fh;
		2675	aio_rename "$meta~", $meta;
1847		2676
1848	$exit->slaying ("?random/$md5");	2677	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2678	$exit->msg (undef);
1850	}	2679	}
1851	}	2680	}
…		…
1853	sub cf::object::player::enter_exit {	2682	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2683	my ($self, $exit) = @_;
1855		2684
1856	return unless $self->type == cf::PLAYER;	2685	return unless $self->type == cf::PLAYER;
1857		2686
		2687	if ($exit->slaying eq "/!") {
		2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2689	# the problem is that $exit might not survive long enough
		2690	# so it needs to be done right now, right here
		2691	cf::sync_job { prepare_random_map $exit };
		2692	}
		2693
		2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2695	my $hp = $exit->stats->hp;
		2696	my $sp = $exit->stats->sp;
		2697
1858	$self->enter_link;	2698	$self->enter_link;
1859		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
1860	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
1861	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2708	unless (eval {
1863	prepare_random_map $exit	2709	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2710
1869	1;	2711	1;
1870	}) {	2712	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2717
1876	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2719	$self->leave_link;
1878	}	2720	}
1879	})->prio (1);	2721	})->prio (1);
…		…
1892		2734
1893	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1895		2737
1896	utf8::encode $text;	2738	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2740	}
1899		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
		2866	=item $client->ext_msg ($type, @msg)
		2867
		2868	Sends an ext event to the client.
		2869
		2870	=cut
		2871
		2872	sub cf::client::ext_msg($$@) {
		2873	my ($self, $type, @msg) = @_;
		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
		2878	push @msg, msgtype => "event_$type";
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
		2899	}
1900		2900
1901	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
1902		2902
1903	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2906
1907	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2908	become reliable at some point in the future.
1909		2909
1910	=cut	2910	=cut
1911		2911
1912	sub cf::client::query {	2912	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2921	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2923
1924	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
1926	}	2928	}
1927		2929
1928	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
1929	on_reply => sub {	2936	on_reply => sub {
1930	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
1931		2938
1932	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
1933	# get handled first	2940	# get handled first
1934	my $queue = delete $ns->{query_queue}	2941	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2942	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2943
1937	(shift @$queue)->[1]->($msg);	2944	(shift @$queue)->[1]->($msg);
		2945	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2946
1939	push @{ $ns->{query_queue} }, @$queue;	2947	push @{ $ns->{query_queue} }, @$queue;
1940		2948
1941	if (@{ $ns->{query_queue} } == @$queue) {	2949	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2950	if (@$queue) {
…		…
1944	} else {	2952	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2954	}
1947	}	2955	}
1948	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
1949	);	2983	);
1950		2984
1951	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
1952		2986
1953	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
1996		3030
1997	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
1998		3032
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2000		3038
2001	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2002		3040
2003	=pod	3041	=pod
2004		3042
2005	The following fucntions and emthods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2006		3044
2007	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2008	cf::object::player player	3049	cf::object::player
2009	cf::player peaceful	3050	player
2010	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2011		3057
2012	=cut	3058	=cut
2013		3059
2014	for (	3060	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2019	) {	3067	) {
2020	no strict 'refs';	3068	no strict 'refs';
…		…
2091	=back	3139	=back
2092		3140
2093	=cut	3141	=cut
2094		3142
2095	#############################################################################	3143	#############################################################################
		3144	# the server's init and main functions
2096		3145
2097	=head2 EXTENSION DATABASE SUPPORT	3146	sub load_facedata($) {
		3147	my ($path) = @_;
2098		3148
2099	Crossfire maintains a very simple database for extension use. It can	3149	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3150	# for this (global event?)
2101	excludes objects.	3151	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3152
2103	The parameter C<$family> should best start with the name of the extension	3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3154
2106	=over 4	3155	warn "loading facedata from $path\n";
2107		3156
2108	=item $hashref = cf::db_get $family	3157	my $facedata;
		3158	0 < aio_load $path, $facedata
		3159	or die "$path: $!";
2109		3160
2110	Return a hashref for use by the extension C<$family>, which can be	3161	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3162
2114	=item $value = cf::db_get $family => $key	3163	$facedata->{version} == 2
		3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3165
2116	Returns a single value from the database	3166	# patch in the exptable
2117		3167	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3168	type => FT_RSRC,
2119		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3170	};
		3171	cf::cede_to_tick;
2169		3172
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3173	{
		3174	my $faces = $facedata->{faceinfo};
2174		3175
2175	sub db_get($;$) {	3176	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3178
2181	sub db_put($$;$) {	3179	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3180	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3183
2190	cf::global->attach (	3184	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3185	}
2195	);
2196	}
2197		3186
2198	#############################################################################	3187	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3188	next unless $info->{smooth};
2200		3189
2201	sub cfg_load {	3190	my $idx = cf::face::find $face
		3191	or next;
		3192
		3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
		3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3196	} else {
		3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3198	}
		3199
		3200	cf::cede_to_tick;
		3201	}
		3202	}
		3203
		3204	{
		3205	my $anims = $facedata->{animinfo};
		3206
		3207	while (my ($anim, $info) = each %$anims) {
		3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3209	cf::cede_to_tick;
		3210	}
		3211
		3212	cf::anim::invalidate_all; # d'oh
		3213	}
		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3249
		3250	1
		3251	}
		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
		3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
		3286	load_resource_file "$MAPDIR/regions"
		3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
		3293	}
		3294
		3295	sub reload_facedata {
		3296	load_facedata "$DATADIR/facedata"
		3297	or die "unable to load facedata\n";
		3298	}
		3299
		3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
		3308	}
		3309
		3310	sub reload_treasures {
		3311	load_resource_file "$DATADIR/treasures"
		3312	or die "unable to load treasurelists\n";
		3313	}
		3314
		3315	sub reload_resources {
		3316	warn "reloading resource files...\n";
		3317
		3318	reload_regions;
		3319	reload_facedata;
		3320	#reload_archetypes;#d#
		3321	reload_archetypes;
		3322	reload_treasures;
		3323
		3324	warn "finished reloading resource files\n";
		3325	}
		3326
		3327	sub init {
		3328	reload_resources;
		3329	}
		3330
		3331	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3333	or return;
2204		3334
2205	local $/;	3335	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2207		3337
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3339
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2221		3351
2222	sub main {	3352	sub main {
2223	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3356	(async {
		3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
		3359	})->prio (Coro::PRIO_MAX);
2227	};	3360	};
2228		3361
2229	cfg_load;	3362	reload_config;
2230	db_load;	3363	db_init;
2231	load_extensions;	3364	load_extensions;
		3365
		3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2232	Event::loop;	3368	EV::loop;
2233	}	3369	}
2234		3370
2235	#############################################################################	3371	#############################################################################
2236	# initialisation and cleanup	3372	# initialisation and cleanup
2237		3373
2238	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2239	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2246	},
2247	);	3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
2248	}	3419	1
2249	}	3420	}
2250		3421
2251	sub emergency_save() {	3422	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2253		3424
2254	warn "enter emergency perl save\n";	3425	warn "enter emergency perl save\n";
2255		3426
2256	cf::sync_job {	3427	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3428	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3429	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3436	$pl->save;
2265	}	3437	}
2266	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2267		3439
2268	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3442	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3443	$map->valid or next;
2272	$map->save;	3444	$map->save;
2273	}	3445	}
2274	warn "end emergency map save\n";	3446	warn "end emergency map save\n";
		3447
		3448	warn "begin emergency database checkpoint\n";
		3449	BDB::db_env_txn_checkpoint $DB_ENV;
		3450	warn "end emergency database checkpoint\n";
2275	};	3451	};
2276		3452
2277	warn "leave emergency perl save\n";	3453	warn "leave emergency perl save\n";
2278	}	3454	}
2279		3455
		3456	sub post_cleanup {
		3457	my ($make_core) = @_;
		3458
		3459	warn Carp::longmess "post_cleanup backtrace"
		3460	if $make_core;
		3461	}
		3462
2280	sub reload() {	3463	sub do_reload_perl() {
2281	# can/must only be called in main	3464	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3465	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3466	warn "can only reload from main coroutine";
2284	return;	3467	return;
2285	}	3468	}
2286		3469
2287	warn "reloading...";	3470	warn "reloading...";
2288		3471
2289	warn "freezing server";	3472	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3473
		3474	cf::sync_job {
		3475	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3476	cf::emergency_save;
		3477	cf::write_runtime; # external watchdog should not bark
2292		3478
2293	warn "sync database to disk";	3479	warn "syncing database to disk";
2294	cf::db_sync;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3481
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2299		3483
2300	warn "cancel all watchers";	3484	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3485	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3486	BDB::flush;
		3487	IO::AIO::flush;
		3488	Coro::cede_notself;
		3489	last unless IO::AIO::nreqs || BDB::nreqs;
		3490	warn "iterate...";
2303	}	3491	}
2304		3492
		3493	++$RELOAD;
		3494
2305	warn "cancel all extension coros";	3495	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3496	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3497	%EXT_CORO = ();
2308		3498
2309	warn "remove commands";	3499	warn "removing commands";
2310	%COMMAND = ();	3500	%COMMAND = ();
2311		3501
2312	warn "remove ext commands";	3502	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2314		3505
2315	warn "unload/nuke all extensions";	3506	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2318		3509
2319	if (my $cb = $pkg->can ("unload")) {	3510	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3511	eval {
…		…
2325		3516
2326	warn "... nuking $pkg";	3517	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3518	Symbol::delete_package $pkg;
2328	}	3519	}
2329		3520
2330	warn "unload all perl modules loaded from $LIBDIR";	3521	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3522	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3523	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3524
2334	warn "removing <$k>";	3525	warn "... unloading $k";
2335	delete $INC{$k};	3526	delete $INC{$k};
2336		3527
2337	$k =~ s/\.pm$//;	3528	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3529	$k =~ s/\//::/g;
2339		3530
…		…
2342	}	3533	}
2343		3534
2344	Symbol::delete_package $k;	3535	Symbol::delete_package $k;
2345	}	3536	}
2346		3537
2347	warn "get rid of safe::, as good as possible";	3538	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3539	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3541
2351	warn "unload cf.pm \"a bit\"";	3542	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3543	delete $INC{"cf.pm"};
		3544	delete $INC{"cf/pod.pm"};
2353		3545
2354	# don't, removes xs symbols, too,	3546	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3547	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3548	#Symbol::delete_package __PACKAGE__;
2357		3549
		3550	warn "unload completed, starting to reload now";
		3551
2358	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2359	require cf;	3553	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3555
2362	warn "load config and database again";	3556	warn "loading config and database again";
2363	cf::cfg_load;	3557	cf::reload_config;
2364	cf::db_load;
2365		3558
2366	warn "load extensions";	3559	warn "loading extensions";
2367	cf::load_extensions;	3560	cf::load_extensions;
2368		3561
2369	warn "reattach attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3563	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3564	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3565	reattach $_ for values %MAP;
		3566	warn "reattaching attachments to players";
		3567	reattach $_ for values %PLAYER;
		3568
		3569	warn "leaving sync_job";
		3570
		3571	1
		3572	} or do {
		3573	warn $@;
		3574	cf::cleanup "error while reloading, exiting.";
2373	};	3575	};
2374
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380		3576
2381	warn "reloaded";	3577	warn "reloaded";
2382	};	3578	};
2383		3579
		3580	our $RELOAD_WATCHER; # used only during reload
		3581
		3582	sub reload_perl() {
		3583	# doing reload synchronously and two reloads happen back-to-back,
		3584	# coro crashes during coro_state_free->destroy here.
		3585
		3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3587	do_reload_perl;
		3588	undef $RELOAD_WATCHER;
		3589	};
		3590	}
		3591
2384	register_command "reload" => sub {	3592	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2386		3594
2387	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
		3599	reload_perl;
		3600	};
2391	}	3601	}
2392	};	3602	};
2393		3603
2394	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2395		3605
2396	$TICK_WATCHER = Event->timer (	3606	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3607
		3608	our @WAIT_FOR_TICK;
		3609	our @WAIT_FOR_TICK_BEGIN;
		3610
		3611	sub wait_for_tick {
		3612	return if tick_inhibit;
		3613	return if $Coro::current == $Coro::main;
		3614
		3615	my $signal = new Coro::Signal;
		3616	push @WAIT_FOR_TICK, $signal;
		3617	$signal->wait;
		3618	}
		3619
		3620	sub wait_for_tick_begin {
		3621	return if tick_inhibit;
		3622	return if $Coro::current == $Coro::main;
		3623
		3624	my $signal = new Coro::Signal;
		3625	push @WAIT_FOR_TICK_BEGIN, $signal;
		3626	$signal->wait;
		3627	}
		3628
		3629	sub tick {
		3630	if ($Coro::current != $Coro::main) {
		3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3632	unless ++$bug_warning > 10;
		3633	return;
		3634	}
		3635
2404	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3637
2408	$WAIT_FOR_TICK->broadcast;	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3640	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3641	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3642	write_runtime
2436	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3644	};
2438	},	3645	}
2439	);	3646
		3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3648	$sig->send;
		3649	}
		3650	while (my $sig = shift @WAIT_FOR_TICK) {
		3651	$sig->send;
		3652	}
		3653
		3654	$LOAD = ($NOW - $TICK_START) / $TICK;
		3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3656
		3657	if (0) {
		3658	if ($NEXT_TICK) {
		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
		3663	}
		3664	}
		3665
		3666	{
		3667	# configure BDB
		3668
		3669	BDB::min_parallel 8;
		3670	BDB::max_poll_reqs $TICK * 0.1;
		3671	$Coro::BDB::WATCHER->priority (1);
		3672
		3673	unless ($DB_ENV) {
		3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3679
		3680	cf::sync_job {
		3681	eval {
		3682	BDB::db_env_open
		3683	$DB_ENV,
		3684	$BDBDIR,
		3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3687	0666;
		3688
		3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3690	};
		3691
		3692	cf::cleanup "db_env_open(db): $@" if $@;
		3693	};
		3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
		3705	}
		3706
		3707	{
		3708	# configure IO::AIO
		3709
		3710	IO::AIO::min_parallel 8;
		3711	IO::AIO::max_poll_time $TICK * 0.1;
		3712	$Coro::AIO::WATCHER->priority (1);
		3713	}
		3714
		3715	my $_log_backtrace;
		3716
		3717	sub _log_backtrace {
		3718	my ($msg, @addr) = @_;
		3719
		3720	$msg =~ s/\n//;
		3721
		3722	# limit the # of concurrent backtraces
		3723	if ($_log_backtrace < 2) {
		3724	++$_log_backtrace;
		3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
		3728	my @bt = fork_call {
		3729	@addr = map { sprintf "%x", $_ } @addr;
		3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3732	or die "addr2line: $!";
		3733
		3734	my @funcs;
		3735	my @res = <$fh>;
		3736	chomp for @res;
		3737	while (@res) {
		3738	my ($func, $line) = splice @res, 0, 2, ();
		3739	push @funcs, "[$func] $line";
		3740	}
		3741
		3742	@funcs
		3743	};
		3744
		3745	LOG llevInfo, "[ABT] $msg\n";
		3746	LOG llevInfo, "[ABT] $_\n" for @bt;
		3747	--$_log_backtrace;
		3748	};
		3749	} else {
		3750	LOG llevInfo, "[ABT] $msg\n";
		3751	LOG llevInfo, "[ABT] [suppressed]\n";
		3752	}
		3753	}
		3754
		3755	# load additional modules
		3756	use cf::pod;
2440		3757
2441	END { cf::emergency_save }	3758	END { cf::emergency_save }
2442		3759
2443	1	3760	1
2444		3761

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines