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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 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 3.5 ();	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 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
		78	our $RELOAD; # number of reloads so far
48	our @EVENT;	79	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		80
51	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	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(!)
53	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	97	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		99
59	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	104	our $DB_ENV;
61		105
62	our %CFG;	106	our %CFG;
63		107
64	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
66		111
67	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		115
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $TICK_START; # for load detecting purposes
		123
79	binmode STDOUT;	124	binmode STDOUT;
80	binmode STDERR;	125	binmode STDERR;
81		126
82	# read virtual server time, if available	127	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
87	}	132	}
88		133
89	mkdir cf::localdir;	134	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		136
96	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
97		138
98	sub cf::map::normalise;	139	sub cf::map::normalise;
99		140
…		…
110	=item $cf::RUNTIME	151	=item $cf::RUNTIME
111		152
112	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
113	every server tick.	154	every server tick.
114		155
115	=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
116		159
117	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		164
120	=item $cf::NOW	165	=item $cf::NOW
121		166
122	The time of the last (current) server tick.	167	The time of the last (current) server tick.
123		168
124	=item $cf::TICK	169	=item $cf::TICK
125		170
126	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	183	=item %cf::CFG
129		184
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	186	from wherever your confdir points to.
132		187
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		189
135	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
136	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
137	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.
138	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.
139		199
140	=back	200	=back
141		201
142	=cut	202	=cut
143		203
144	BEGIN {	204	BEGIN {
145	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	206	my $msg = join "", @_;
147	utf8::encode $msg;
148		207
149	$msg .= "\n"	208	$msg .= "\n"
150	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
151		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
152	LOG llevError, $msg;	213	LOG llevError, $msg;
153	};	214	};
154	}	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#?
155		231
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		239
163	# 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
164	# within the Safe compartment.	241	# within the Safe compartment.
165	for my $pkg (qw(	242	for my $pkg (qw(
166	cf::global cf::attachable	243	cf::global cf::attachable
…		…
171	)) {	248	)) {
172	no strict 'refs';	249	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	251	}
175		252
176	$Event::DIED = sub {	253	$EV::DIED = sub {
177	warn "error in event callback: @_";	254	warn "error in event callback: @_";
178	};	255	};
		256
		257	#############################################################################
179		258
180	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
181		260
182	=over 4	261	=over 4
183		262
…		…
202	$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;
203	$d	282	$d
204	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
205	}	284	}
206		285
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
210		287
211	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
212		289
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
221		291
222	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
223		293
224	=cut	294	=cut
225		295
226	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
228	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
230		300
231	=item cf::lock_wait $string	301	=item cf::lock_wait $string
232		302
233	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
234		304
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
240	returned.	310	returned.
241		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
242	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
243	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
244		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
245	=cut	322	=cut
246		323
247	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
248		326
249	sub lock_wait($) {	327	sub lock_wait($) {
250	my ($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#
251		334
252	# wait for lock, if any	335	# wait for lock, if any
253	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	338	Coro::schedule;
…		…
261		344
262	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
263	lock_wait $key;	346	lock_wait $key;
264		347
265	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
266		350
267	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
270	}	355	}
271	}	356	}
272		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
273	sub freeze_mainloop {	364	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
275		366
276	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	368	}
278	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
279	};	428	}
280	$WRITE_RUNTIME_WATCHER->stop;	429	};
281	$TICK_WATCHER->stop;	430
282	$guard	431	sub get_slot($;$$) {
		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	$sig->wait;
283	}	441	}
284		442
285	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
286		444
287	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		450
293	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
294		452
295	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
296		454
297	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
300		459
301	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
304	fast or be very important.	463	fast or be very important.
…		…
307		466
308	sub sync_job(&) {	467	sub sync_job(&) {
309	my ($job) = @_;	468	my ($job) = @_;
310		469
311	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
312	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
314		475
315	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	477
317	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
318		479
319	my $busy = 1;	480	my $busy = 1;
320	my @res;	481	my @res;
321		482
322	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	485	@res = eval { $job->() };
324	warn $@ if $@;	486	warn $@ if $@;
325	undef $busy;	487	undef $busy;
326	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
327		489
328	while ($busy) {	490	while ($busy) {
329	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
330	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
331		501
332	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
333	} else {	503	} else {
334	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
335		505
…		…
355	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
356		526
357	$coro	527	$coro
358	}	528	}
359		529
360	sub write_runtime {	530	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		531
363	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.
364		536
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
366	or return;
367		538
368	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		541
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
373	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
374		545
375	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	547	reset_signals;
377	and return;	548	&$cb
		549	}, @args;
378		550
379	close $fh	551	wantarray ? @res : $res[-1]
380	or return;	552	}
381		553
382	aio_rename "$runtime~", $runtime	554	=item $value = cf::db_get $family => $key
383	and return;
384		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($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
385	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		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 });
386	}	690	}
387		691
388	=back	692	=back
389		693
390	=cut	694	=cut
…		…
397	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")
398	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
399		703
400	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>
401	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
402	crossfire+).	706	Deliantra).
403		707
404	=over 4	708	=over 4
405		709
406	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
407		711
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
571		875
572	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		880
577	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	882	my $pkg = shift @arg;
579		883
580	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
610	}	914	}
611		915
612	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
613	} else {	917	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	919	}
616		920
617	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
618	}	922	}
619		923
…		…
621	if (ref $_[0]) {	925	if (ref $_[0]) {
622	_object_attach @_;	926	_object_attach @_;
623	} else {	927	} else {
624	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
625	}	929	}
		930	_recalc_want;
626	};	931	};
627		932
628	# all those should be optimised	933	# all those should be optimised
629	sub cf::attachable::detach {	934	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
634	reattach ($obj);	939	reattach ($obj);
635	} else {	940	} else {
636	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
637	}	942	}
		943	_recalc_want;
638	};	944	};
639		945
640	sub cf::attachable::attached {	946	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
642		948
…		…
657	";	963	";
658	die if $@;	964	die if $@;
659	}	965	}
660		966
661	our $override;	967	our $override;
662	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?
663		969
664	sub override {	970	sub override {
665	$override = 1;	971	$override = 1;
666	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
667	}	973	}
668		974
669	sub do_invoke {	975	sub do_invoke {
670	my $event = shift;	976	my $event = shift;
671	my $callbacks = shift;	977	my $callbacks = shift;
672		978
673	@invoke_results = ();	979	@INVOKE_RESULTS = ();
674		980
675	local $override;	981	local $override;
676		982
677	for (@$callbacks) {	983	for (@$callbacks) {
678	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
687	}	993	}
688		994
689	0	995	0
690	}	996	}
691		997
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		999
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1001
696	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
697		1003
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1007
702	=back	1008	=back
703		1009
704	=cut	1010	=cut
705		1011
706	#############################################################################	1012	#############################################################################
707	# 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, $ob2
		1055	}
708		1056
709	sub reattach {	1057	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1059	my ($obj) = @_;
712		1060
…		…
733	cf::attachable->attach (	1081	cf::attachable->attach (
734	prio => -1000000,	1082	prio => -1000000,
735	on_instantiate => sub {	1083	on_instantiate => sub {
736	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
737		1085
738	$data = from_json $data;	1086	$data = decode_json $data;
739		1087
740	for (@$data) {	1088	for (@$data) {
741	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
742		1090
743	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1107	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
761		1109
762	sync_job {	1110	sync_job {
763	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
766		1115
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1120	close $fh;
772		1121
773	if (@$objs) {	1122	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1128	close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
781	}	1130	}
…		…
789	}	1138	}
790	} else {	1139	} else {
791	aio_unlink $filename;	1140	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
793	}	1142	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1143	};
801	}	1144	}
802		1145
803	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
805		1148
…		…
810		1153
811	sub object_thawer_load {	1154	sub object_thawer_load {
812	my ($filename) = @_;	1155	my ($filename) = @_;
813		1156
814	my ($data, $av);	1157	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1158
819	(aio_load $filename, $data) >= 0	1159	(aio_load $filename, $data) >= 0
820	or return;	1160	or return;
821		1161
822	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
824	or return;	1164	or return;
		1165
825	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
826	}	1168	}
827		1169
		1170	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
830	return ($data, $av);	1174	($data, $av)
831	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
832		1182
833	#############################################################################	1183	#############################################################################
834	# command handling &c	1184	# command handling &c
835		1185
836	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1200	}
851		1201
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1203
854	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.
855		1209
856	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
857	called.	1211	called.
858		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
859	=cut	1224	=cut
860		1225
861	sub register_extcmd {	1226	sub register_extcmd {
862	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
863		1228
864	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
865	}	1236	}
866		1237
867	cf::player->attach (	1238	cf::player->attach (
868	on_command => sub {	1239	on_command => sub {
869	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1249	cf::override;
879	},	1250	},
880	on_extcmd => sub {	1251	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
882		1253
883	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1255
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
891	} else {	1271	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1273	}
894		1274
895	cf::override;	1275	cf::override;
896	},	1276	},
897	);	1277	);
898		1278
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
934	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1284	next unless -r $path;
936	eval {	1285
937	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	$progress = 1;
938	1	1342	}
939	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
940	}	1348	};
941	}	1349	}
942		1350
943	#############################################################################	1351	#############################################################################
944		1352
		1353	=back
		1354
945	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
946		1356
947	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
948		1358
949	=cut	1359	=cut
…		…
954		1364
955	=head3 cf::player	1365	=head3 cf::player
956		1366
957	=over 4	1367	=over 4
958		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
959	=item cf::player::find $login	1383	=item cf::player::find $login
960		1384
961	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
962		1386
963	=cut	1387	=cut
964		1388
965	sub playerdir($) {	1389	sub playerdir($) {
966	cf::localdir	1390	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1391	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1392	}
972		1393
973	sub path($) {	1394	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1395	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1396
976	(playerdir $login) . "/$login.pl"	1397	(playerdir $login) . "/playerdata"
977	}	1398	}
978		1399
979	sub find_active($) {	1400	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1401	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1402	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1415	my $login = $_[0];
995		1416
996	my $guard = cf::lock_acquire "user_find:$login";	1417	my $guard = cf::lock_acquire "user_find:$login";
997		1418
998	$cf::PLAYER{$_[0]} || do {	1419	$cf::PLAYER{$_[0]} || do {
999	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
1000	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;
1001	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1002	}	1435	}
1003	}	1436	}
1004	}	1437	}
1005		1438
…		…
1015		1448
1016	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1018		1451
1019	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1020	Coro::cede;	1453	cf::cede_to_tick;
1021	}	1454	}
1022		1455
1023	sub new($) {	1456	sub new($) {
1024	my ($login) = @_;	1457	my ($login) = @_;
1025		1458
…		…
1031	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1032		1465
1033	$self	1466	$self
1034	}	1467	}
1035		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
1036	=item $pl->quit_character	1479	=item $pl->quit_character
1037		1480
1038	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1482	be destroyed. May block for a long time.
1040		1483
1041	=cut	1484	=cut
1042		1485
1043	sub quit_character {	1486	sub quit_character {
1044	my ($pl) = @_;	1487	my ($pl) = @_;
		1488
		1489	my $name = $pl->ob->name;
1045		1490
1046	$pl->{deny_save} = 1;	1491	$pl->{deny_save} = 1;
1047	$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
1048		1493
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1499	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1500	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1501	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1502	delete $cf::PLAYER{$pl->ob->name};
1058	$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
1059	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;
1060	}	1525	}
1061		1526
1062	=item cf::player::list_logins	1527	=item cf::player::list_logins
1063		1528
1064	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
1065	while and may block, so not sync_job-capable, ever.	1530	while and may block, so not sync_job-capable, ever.
1066		1531
1067	=cut	1532	=cut
1068		1533
1069	sub list_logins {	1534	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1535	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1536	or return [];
1072		1537
1073	my @logins;	1538	my @logins;
1074		1539
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1079		1549
1080	utf8::decode $login;	1550	utf8::decode $login;
1081	push @logins, $login;	1551	push @logins, $login;
1082	}	1552	}
1083		1553
…		…
1110	}	1580	}
1111		1581
1112	\@paths	1582	\@paths
1113	}	1583	}
1114		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
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1116		1679
1117	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1118		1681
1119	=cut	1682	=cut
1120		1683
1121	sub ext_reply($$$%) {	1684	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1123		1686
1124	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1688	}
1128		1689
1129	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	$match
		1729	}
1130		1730
1131	=back	1731	=back
1132
1133		1732
1134	=head3 cf::map	1733	=head3 cf::map
1135		1734
1136	=over 4	1735	=over 4
1137		1736
…		…
1192	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1193		1792
1194	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1195	local $self->{path};	1794	local $self->{path};
1196	local $self->{load_path};	1795	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1796
1200	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1201	}	1798	}
1202		1799
1203	sub normalise {	1800	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1251	return $self;	1848	return $self;
1252	}	1849	}
1253	}	1850	}
1254		1851
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1853	()
1257	}	1854	}
1258		1855
1259	sub init {	1856	sub init {
1260	my ($self) = @_;	1857	my ($self) = @_;
…		…
1275		1872
1276	# the original (read-only) location	1873	# the original (read-only) location
1277	sub load_path {	1874	sub load_path {
1278	my ($self) = @_;	1875	my ($self) = @_;
1279		1876
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1877	"$MAPDIR/$self->{path}.map"
1281	}	1878	}
1282		1879
1283	# the temporary/swap location	1880	# the temporary/swap location
1284	sub save_path {	1881	sub save_path {
1285	my ($self) = @_;	1882	my ($self) = @_;
1286		1883
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1885	"$TMPDIR/$path.map"
1289	}	1886	}
1290		1887
1291	# the unique path, undef == no special unique path	1888	# the unique path, undef == no special unique path
1292	sub uniq_path {	1889	sub uniq_path {
1293	my ($self) = @_;	1890	my ($self) = @_;
1294		1891
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1893	"$UNIQUEDIR/$path"
1297	}	1894	}
1298		1895
1299	# and all this just because we cannot iterate over	1896	# and all this just because we cannot iterate over
1300	# all maps in C++...	1897	# all maps in C++...
1301	sub change_all_map_light {	1898	sub change_all_map_light {
…		…
1303		1900
1304	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1306	}	1903	}
1307		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1308	sub unlink_save {	1913	sub unlink_save {
1309	my ($self) = @_;	1914	my ($self) = @_;
1310		1915
1311	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1918	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1919	}
1320		1920
1321	sub load_header_from($) {	1921	sub load_header_from($) {
1322	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1323		1923
1324	utf8::encode $path;	1924	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1330		1933
1331	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1332		1935
1333	1	1936	1
1334	}	1937	}
…		…
1373	$self->load_header_orig	1976	$self->load_header_orig
1374	or return;	1977	or return;
1375	$self->prepare_orig;	1978	$self->prepare_orig;
1376	}	1979	}
1377		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 $self->default_region;
		1986
1378	1	1987	1
1379	}	1988	}
1380		1989
1381	sub find;	1990	sub find;
1382	sub find {	1991	sub find {
1383	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1384		1993
1385	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1386		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1388		1998
1389	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1390	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
1391	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1392	or return;	2004	or return;
1393		2005
1394	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1395		2007
1396	$map->load_header	2008	$map->load_header
1397	or return;	2009	or return;
1398		2010
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1402	$map->reset;	2016	$map->reset;
1403	undef $guard;
1404	return find $path;	2017	return find $path;
1405	}	2018	}
1406		2019
1407	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1408	}	2021	}
…		…
1415	my ($self) = @_;	2028	my ($self) = @_;
1416		2029
1417	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1418		2031
1419	my $path = $self->{path};	2032	my $path = $self->{path};
		2033
		2034	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1421		2036
		2037	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2039
1424	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1425		2041
1426	$self->alloc;	2042	$self->alloc;
1427		2043
1428	$self->pre_load;	2044	$self->pre_load;
		2045	cf::cede_to_tick;
1429		2046
1430	$self->_load_objects ($self->{load_path}, 1)	2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
		2049	$self->_load_objects ($f)
1431	or return;	2050	or return;
1432		2051
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	2053	if delete $self->{load_original};
1435		2054
1436	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2056	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2059	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1441	}	2063	}
1442	}	2064	}
1443		2065
1444	Coro::cede;	2066	$f->resolve_delayed_derefs;
1445		2067
		2068	cf::cede_to_tick;
1446	# now do the right thing for maps	2069	# now do the right thing for maps
1447	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2072	unless $self->difficulty;
1457	Coro::cede;	2073	cf::cede_to_tick;
		2074
		2075	unless ($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;
1458	$self->activate;	2082	$self->activate;
		2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
		2087
		2088	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2089	}
1460		2090
1461	$self->post_load;	2091	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2092	}
1465		2093
1466	sub customise_for {	2094	sub customise_for {
1467	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1468		2096
1469	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2098	if $self->per_player;
1471		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1472	$self	2103	$self
1473	}	2104	}
1474		2105
1475	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2107	sub load_neighbours {
1477	my ($map) = @_;	2108	my ($map) = @_;
1478		2109
1479	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1480		2111
1481	for (0 .. 3) {	2112	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1483	or next;	2114	or next;
1484	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1485	or next;	2116	or next;
1486	$neigh->load;	2117	$neigh->load;
1487		2118
		2119	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2122	}
1491		2123
1492	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1494	or next;	2127	or next;
1495	$neigh->load;	2128	$neigh->load;
1496	}	2129	}
1497	}	2130	}
1498		2131
…		…
1503	}	2136	}
1504		2137
1505	sub do_load_sync {	2138	sub do_load_sync {
1506	my ($map) = @_;	2139	my ($map) = @_;
1507		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1508	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1509	}	2145	}
1510		2146
1511	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1513		2149
1514	sub find_async {	2150	sub find_async {
1515	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1516		2152
1517	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1518		2154
1519	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	2157	}
1522		2158
1523	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1524	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1525	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2166	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2167	$map->load if $v;
		2168	}
1530		2169
1531	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1532	}	2171	}
1533	}	2172	}
1534	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1535	};	2174	};
1536	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2178	}
1540		2179
1541	sub save {	2180	sub save {
1542	my ($self) = @_;	2181	my ($self) = @_;
1543		2182
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2184
1546	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1547		2186
1548	return unless $self->dirty;	2187	return unless $self->dirty;
1549		2188
…		…
1555	return if $self->{deny_save};	2194	return if $self->{deny_save};
1556		2195
1557	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1558		2197
1559	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1561	};	2201	};
1562		2202
1563	if ($uniq) {	2203	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1572	my ($self) = @_;	2212	my ($self) = @_;
1573		2213
1574	# save first because save cedes	2214	# save first because save cedes
1575	$self->save;	2215	$self->save;
1576		2216
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2218
1579	return if $self->players;	2219	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2221	return if $self->{deny_save};
1582		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2227	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2228	}
1586		2229
1587	sub reset_at {	2230	sub reset_at {
1588	my ($self) = @_;	2231	my ($self) = @_;
1589		2232
1590	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1593		2235
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2238
…		…
1607	my ($self) = @_;	2249	my ($self) = @_;
1608		2250
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2252
1611	return if $self->players;	2253	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2254
1614	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1615		2256
1616	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1617		2258
1618	# need to save uniques path	2259	# need to save uniques path
1619	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2264	if $uniq;
1624	}	2265	}
1625		2266
1626	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1627		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2271	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2272
1632	$self->unlink_save;	2273	$self->unlink_save;
1633	$self->destroy;	2274	$self->destroy;
1634	}	2275	}
1635		2276
1636	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1637		2278
1638	sub nuke {	2279	sub nuke {
1639	my ($self) = @_;	2280	my ($self) = @_;
1640		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1641	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1642		2286
1643	$self->unlink_save;	2287	$self->unlink_save;
1644		2288
1645	bless $self, "cf::map";	2289	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2294
1651	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1652		2297
1653	$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	]
1654	}	2335	}
1655		2336
1656	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1657		2338
1658	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2340	instantiated unique items. May block.
1660		2341
1661	=cut	2342	=cut
1662		2343
1663	sub unique_maps() {	2344	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2345	[
1665	or return;	2346	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2347	utf8::decode $_;
1671	next if /\.pst$/;	2348	/\.map$/
1672	next unless /^$PATH_SEP/o;	2349	? normalise $_
1673		2350	: ()
1674	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2352	]
1676
1677	\@paths
1678	}	2353	}
1679		2354
1680	package cf;	2355	package cf;
1681		2356
1682	=back	2357	=back
…		…
1700	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1701	}	2376	}
1702		2377
1703	sub inv_recursive {	2378	sub inv_recursive {
1704	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	}
1705	}	2408	}
1706		2409
1707	package cf;	2410	package cf;
1708		2411
1709	=back	2412	=back
…		…
1728		2431
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2433
1731	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1733	} 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 {
1734	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1736	}	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 (@_);
1737	}	2459	}
1738		2460
1739	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1740		2462
1741	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1789		2511
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2513
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1794		2516
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2518	}
1797		2519
1798	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1800		2524
1801	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1802		2526
1803	unless ($map) {	2527	unless ($map) {
1804	# restore original map position	2528	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1821		2545
1822	$map->load;	2546	$map->load;
1823	$map->load_diag;	2547	$map->load_neighbours;
1824		2548
1825	return unless $self->contr->active;	2549	return unless $self->contr->active;
1826	$self->activate_recursive;	2550	$self->activate_recursive;
		2551
		2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1828	}	2554	}
1829		2555
1830	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2557
1834	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1838	};	2562	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2563
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1865		2567
1866	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1867	my ($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;
1868		2573
1869	$self->enter_link;	2574	$self->enter_link;
1870		2575
1871	(async {	2576	(async {
		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
1872	my $map = eval {	2598	my $map = eval {
1873	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
		2603	$map = $check->($map) if $check && $map;
		2604	} else {
		2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
		2607
1875	$map	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 $@;
1876	} or	2614	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1880	})->prio (1);	2622	})->prio (1);
1881	}	2623	}
1882		2624
1883	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1884		2626
…		…
1921	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
1922	}	2664	}
1923		2665
1924	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
1925		2667
1926	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
1929		2671
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2674	undef $fh;
1933	aio_rename "$meta~", $meta;	2675	aio_rename "$meta~", $meta;
…		…
1942		2684
1943	return unless $self->type == cf::PLAYER;	2685	return unless $self->type == cf::PLAYER;
1944		2686
1945	if ($exit->slaying eq "/!") {	2687	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1947	cf::sync_job { prepare_random_map $exit };	2691	cf::sync_job { prepare_random_map $exit };
1948	}	2692	}
1949		2693
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
1953		2697
1954	$self->enter_link;	2698	$self->enter_link;
1955		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
1956	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
1957	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2708	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
1960		2710
1961	1;	2711	1;
1962	}) {	2712	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2717
1968	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2719	$self->leave_link;
1970	}	2720	}
1971	})->prio (1);	2721	})->prio (1);
…		…
1984		2734
1985	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1987		2737
1988	utf8::encode $text;	2738	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2740	}
1991		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	}
1992		2900
1993	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
1994		2902
1995	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
1996	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>,
1997	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>.
1998		2906
1999	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
2000	reliable at some point in the future.	2908	become reliable at some point in the future.
2001		2909
2002	=cut	2910	=cut
2003		2911
2004	sub cf::client::query {	2912	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2921	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2923
2016	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2018	}	2928	}
2019		2929
2020	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
2021	on_reply => sub {	2936	on_reply => sub {
2022	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2023		2938
2024	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2025	# get handled first	2940	# get handled first
…		…
2037	} else {	2952	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2954	}
2040	}	2955	}
2041	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($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	},
2042	);	2983	);
2043		2984
2044	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2045		2986
2046	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2089		3030
2090	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2091		3032
2092	$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	));
2093		3038
2094	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2095		3040
2096	=pod	3041	=pod
2097		3042
2098	The following fucntions and emthods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2099		3044
2100	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
2101	cf::object::player player	3049	cf::object::player
2102	cf::player peaceful	3050	player
2103	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2104		3057
2105	=cut	3058	=cut
2106		3059
2107	for (	3060	for (
2108	["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)],
2109	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2112	) {	3067	) {
2113	no strict 'refs';	3068	no strict 'refs';
…		…
2184	=back	3139	=back
2185		3140
2186	=cut	3141	=cut
2187		3142
2188	#############################################################################	3143	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3144	# the server's init and main functions
2262		3145
2263	sub load_resources {	3146	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3147	my ($path) = @_;
		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3154
		3155	warn "loading facedata from $path\n";
		3156
		3157	my $facedata;
		3158	0 < aio_load $path, $facedata
		3159	or die "$path: $!";
		3160
		3161	$facedata = Coro::Storable::thaw $facedata;
		3162
		3163	$facedata->{version} == 2
		3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
		3173	{
		3174	my $faces = $facedata->{faceinfo};
		3175
		3176	while (my ($face, $info) = each %$faces) {
		3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
		3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
		3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3183
		3184	cf::cede_to_tick;
		3185	}
		3186
		3187	while (my ($face, $info) = each %$faces) {
		3188	next unless $info->{smooth};
		3189
		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"
2265	or die "unable to load regions file\n";#d#	3287	or die "unable to load regions file\n";
2266	}
2267		3288
2268	sub cfg_load {	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 {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3333	or return;
2271		3334
2272	local $/;	3335	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2274		3337
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3339
2277	$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};
2278	$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};
…		…
2284	};	3347	};
2285	warn $@ if $@;	3348	warn $@ if $@;
2286	}	3349	}
2287	}	3350	}
2288		3351
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3352	sub main {
2294	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2296	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#
2297	(async {	3356	(async {
2298	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2300	};	3360	};
2301		3361
2302	cfg_load;	3362	reload_config;
2303	db_init;	3363	db_init;
2304	load_extensions;	3364	load_extensions;
2305		3365
2306	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2307	Event::loop;	3368	EV::loop;
2308	}	3369	}
2309		3370
2310	#############################################################################	3371	#############################################################################
2311	# initialisation and cleanup	3372	# initialisation and cleanup
2312		3373
2313	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2314	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2323	},
2324	);	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
2325	}	3419	1
2326	}	3420	}
2327		3421
2328	sub emergency_save() {	3422	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2330		3424
…		…
2336	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3436	$pl->save;
2342	}	3437	}
2343	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2344		3439
2345	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2363		3458
2364	warn Carp::longmess "post_cleanup backtrace"	3459	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3460	if $make_core;
2366	}	3461	}
2367		3462
2368	sub reload() {	3463	sub do_reload_perl() {
2369	# can/must only be called in main	3464	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3465	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3466	warn "can only reload from main coroutine";
2372	return;	3467	return;
2373	}	3468	}
2374		3469
2375	warn "reloading...";	3470	warn "reloading...";
2376		3471
2377	warn "cancelling server ticker";	3472	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3473
		3474	cf::sync_job {
		3475	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3476	cf::emergency_save;
		3477	cf::write_runtime; # external watchdog should not bark
2381		3478
2382	eval {	3479	warn "syncing database to disk";
		3480	BDB::db_env_txn_checkpoint $DB_ENV;
		3481
2383	# 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
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3483
2393	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2394	for (;;) {	3485	for (;;) {
2395	BDB::flush;	3486	BDB::flush;
2396	IO::AIO::flush;	3487	IO::AIO::flush;
2397	Coro::cede;	3488	Coro::cede_notself;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3490	warn "iterate...";
2400	}	3491	}
		3492
		3493	++$RELOAD;
2401		3494
2402	warn "cancelling all extension coros";	3495	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3496	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3497	%EXT_CORO = ();
2405		3498
2406	warn "removing commands";	3499	warn "removing commands";
2407	%COMMAND = ();	3500	%COMMAND = ();
2408		3501
2409	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2411		3505
2412	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2415		3509
…		…
2445	Symbol::delete_package "safe::$_"	3539	Symbol::delete_package "safe::$_"
2446	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);
2447		3541
2448	warn "unloading cf.pm \"a bit\"";	3542	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3543	delete $INC{"cf.pm"};
		3544	delete $INC{"cf/pod.pm"};
2450		3545
2451	# don't, removes xs symbols, too,	3546	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3547	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3548	#Symbol::delete_package __PACKAGE__;
2454		3549
…		…
2457	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2458	require cf;	3553	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3555
2461	warn "loading config and database again";	3556	warn "loading config and database again";
2462	cf::cfg_load;	3557	cf::reload_config;
2463		3558
2464	warn "loading extensions";	3559	warn "loading extensions";
2465	cf::load_extensions;	3560	cf::load_extensions;
2466		3561
2467	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3563	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3564	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3565	reattach $_ for values %MAP;
		3566	warn "reattaching attachments to players";
		3567	reattach $_ for values %PLAYER;
2471		3568
2472	warn "loading reloadable resources";	3569	warn "leaving sync_job";
2473	load_resources;
2474		3570
2475	warn "restarting server ticker";	3571	1
2476		3572	} or do {
2477	$TICK_WATCHER->start;	3573	warn $@;
		3574	cf::cleanup "error while reloading, exiting.";
2478	};	3575	};
2479
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485		3576
2486	warn "reloaded";	3577	warn "reloaded";
2487	};	3578	};
2488		3579
2489	our $RELOAD_WATCHER; # used only during reload	3580	our $RELOAD_WATCHER; # used only during reload
2490		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 $RELOAD_WATCHER;
		3589	};
		3590	}
		3591
2491	register_command "reload" => sub {	3592	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2493		3594
2494	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
2496		3597	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3598	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3599	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3600	};
2509	}	3601	}
2510	};	3602	};
2511		3603
2512	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2513		3605
2514	my $bug_warning = 0;	3606	my $bug_warning = 0;
2515		3607
2516	$TICK_WATCHER = Event->timer (	3608	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3609	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3610
2519	prio => 0,	3611	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3612	return if tick_inhibit;
2521	data => WF_AUTOCANCEL,	3613	return if $Coro::current == $Coro::main;
2522	cb => sub {	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	$signal->wait;
		3627	}
		3628
		3629	sub tick {
2523	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2526	return;	3633	return;
2527	}	3634	}
2528		3635
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3637
2535	$WAIT_FOR_TICK->broadcast;	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
		3642	write_runtime
		3643	or warn "ERROR: unable to write runtime file: $!";
		3644	};
		3645	}
2537		3646
2538	Event::sweep;	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	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#
2540		3662	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	3663	}
2550	);	3664	}
2551		3665
2552	{	3666	{
2553	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3668
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
2563		3670	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		3672
2579	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	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);
2581		3679
2582	cf::sync_job {	3680	cf::sync_job {
2583	eval {	3681	eval {
2584	BDB::db_env_open	3682	BDB::db_env_open
2585	$DB_ENV,	3683	$DB_ENV,
2586	$BDB_ENV_DIR,	3684	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3687	0666;
2590		3688
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3690	};
2596		3691
2597	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3693	};
2599	}	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	};
2600	}	3705	}
2601		3706
2602	{	3707	{
		3708	# configure IO::AIO
		3709
2603	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	3713	}
2616		3714
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3715	my $_log_backtrace;
2618	reentrant => 0,	3716
2619	data => WF_AUTOCANCEL,	3717	sub _log_backtrace {
2620	after => 1,	3718	my ($msg, @addr) = @_;
2621	interval => 10,	3719
2622	prio => 6, # keep it lowest so it acts like a watchdog	3720	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3721
2624	write_runtime	3722	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3723	if ($_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";
2626	},	3752	}
2627	);	3753	}
		3754
		3755	# load additional modules
		3756	use cf::pod;
2628		3757
2629	END { cf::emergency_save }	3758	END { cf::emergency_save }
2630		3759
2631	1	3760	1
2632		3761

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