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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.416 by root, Fri Apr 11 13:59:06 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
48	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
49	our @EVENT;	79	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		80
52	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
53	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(!)
54	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	97	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		99
60	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	104	our $DB_ENV;
62		105
63	our %CFG;	106	our %CFG;
64		107
65	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
67		111
68	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		115
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $TICK_START; # for load detecting purposes
		123
80	binmode STDOUT;	124	binmode STDOUT;
81	binmode STDERR;	125	binmode STDERR;
82		126
83	# read virtual server time, if available	127	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
88	}	132	}
89		133
90	mkdir cf::localdir;	134	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		136
97	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
98		138
99	sub cf::map::normalise;	139	sub cf::map::normalise;
100		140
…		…
111	=item $cf::RUNTIME	151	=item $cf::RUNTIME
112		152
113	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
114	every server tick.	154	every server tick.
115		155
116	=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
117		159
118	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		164
121	=item $cf::NOW	165	=item $cf::NOW
122		166
123	The time of the last (current) server tick.	167	The time of the last (current) server tick.
124		168
125	=item $cf::TICK	169	=item $cf::TICK
126		170
127	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
128		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
129	=item %cf::CFG	183	=item %cf::CFG
130		184
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	186	from wherever your confdir points to.
133		187
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		189
136	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
137	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
138	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.
139	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.
140		199
141	=back	200	=back
142		201
143	=cut	202	=cut
144		203
145	BEGIN {	204	BEGIN {
146	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	206	my $msg = join "", @_;
148	utf8::encode $msg;
149		207
150	$msg .= "\n"	208	$msg .= "\n"
151	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
152		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
153	LOG llevError, $msg;	213	LOG llevError, $msg;
154	};	214	};
155	}	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#?
156		231
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		239
164	# 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
165	# within the Safe compartment.	241	# within the Safe compartment.
166	for my $pkg (qw(	242	for my $pkg (qw(
167	cf::global cf::attachable	243	cf::global cf::attachable
…		…
172	)) {	248	)) {
173	no strict 'refs';	249	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	251	}
176		252
177	$Event::DIED = sub {	253	$EV::DIED = sub {
178	warn "error in event callback: @_";	254	warn "error in event callback: @_";
179	};	255	};
		256
		257	#############################################################################
180		258
181	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
182		260
183	=over 4	261	=over 4
184		262
…		…
203	$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;
204	$d	282	$d
205	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
206	}	284	}
207		285
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
211		287
212	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
213		289
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
222		291
223	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
224		293
225	=cut	294	=cut
226		295
227	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
229	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
231		300
232	=item cf::lock_wait $string	301	=item cf::lock_wait $string
233		302
234	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
235		304
…		…
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
241	returned.	310	returned.
242		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
243	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
244	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
245		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
246	=cut	322	=cut
247		323
248	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
249		326
250	sub lock_wait($) {	327	sub lock_wait($) {
251	my ($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#
252		334
253	# wait for lock, if any	335	# wait for lock, if any
254	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	338	Coro::schedule;
…		…
262		344
263	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
264	lock_wait $key;	346	lock_wait $key;
265		347
266	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
267		350
268	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
271	}	355	}
272	}	356	}
273		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
274	sub freeze_mainloop {	364	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
276		366
277	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	368	}
		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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
279	};	428	}
280	$TICK_WATCHER->stop;	429	};
281	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
282	}	441	}
283		442
284	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
285		444
286	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		450
292	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
293		452
294	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
295		454
296	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
299		459
300	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
303	fast or be very important.	463	fast or be very important.
…		…
306		466
307	sub sync_job(&) {	467	sub sync_job(&) {
308	my ($job) = @_;	468	my ($job) = @_;
309		469
310	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
311	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
313		475
314	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	477
316	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
317		479
318	my $busy = 1;	480	my $busy = 1;
319	my @res;	481	my @res;
320		482
321	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	485	@res = eval { $job->() };
323	warn $@ if $@;	486	warn $@ if $@;
324	undef $busy;	487	undef $busy;
325	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
326		489
327	while ($busy) {	490	while ($busy) {
328	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
329	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
330		501
331	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
332	} else {	503	} else {
333	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
334		505
…		…
354	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
355		526
356	$coro	527	$coro
357	}	528	}
358		529
359	sub write_runtime {	530	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		531
362	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.
363		536
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
365	or return;
366		538
367	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		541
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
372	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
373		545
374	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	547	reset_signals;
376	and return;	548	&$cb
		549	}, @args;
377		550
378	close $fh	551	wantarray ? @res : $res[-1]
379	or return;	552	}
380		553
381	aio_rename "$runtime~", $runtime	554	=item $coin = coin_from_name $name
382	and return;
383		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
384	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
		706	}
		707
		708	=item cf::datalog type => key => value, ...
		709
		710	Log a datalog packet of the given type with the given key-value pairs.
		711
		712	=cut
		713
		714	sub datalog($@) {
		715	my ($type, %kv) = @_;
		716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	717	}
386		718
387	=back	719	=back
388		720
389	=cut	721	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
398		730
399	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	733	Deliantra).
402		734
403	=over 4	735	=over 4
404		736
405	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
406		738
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
570		902
571	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		907
576	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	909	my $pkg = shift @arg;
578		910
579	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
609	}	941	}
610		942
611	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
612	} else {	944	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	946	}
615		947
616	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
617	}	949	}
618		950
…		…
620	if (ref $_[0]) {	952	if (ref $_[0]) {
621	_object_attach @_;	953	_object_attach @_;
622	} else {	954	} else {
623	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
624	}	956	}
		957	_recalc_want;
625	};	958	};
626		959
627	# all those should be optimised	960	# all those should be optimised
628	sub cf::attachable::detach {	961	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
633	reattach ($obj);	966	reattach ($obj);
634	} else {	967	} else {
635	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
636	}	969	}
		970	_recalc_want;
637	};	971	};
638		972
639	sub cf::attachable::attached {	973	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
641		975
…		…
656	";	990	";
657	die if $@;	991	die if $@;
658	}	992	}
659		993
660	our $override;	994	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		996
663	sub override {	997	sub override {
664	$override = 1;	998	$override = 1;
665	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
666	}	1000	}
667		1001
668	sub do_invoke {	1002	sub do_invoke {
669	my $event = shift;	1003	my $event = shift;
670	my $callbacks = shift;	1004	my $callbacks = shift;
671		1005
672	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
673		1007
674	local $override;	1008	local $override;
675		1009
676	for (@$callbacks) {	1010	for (@$callbacks) {
677	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
686	}	1020	}
687		1021
688	0	1022	0
689	}	1023	}
690		1024
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1026
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1028
695	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
696		1030
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1034
701	=back	1035	=back
702		1036
703	=cut	1037	=cut
704		1038
705	#############################################################################	1039	#############################################################################
706	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
707		1083
708	sub reattach {	1084	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1086	my ($obj) = @_;
711		1087
…		…
732	cf::attachable->attach (	1108	cf::attachable->attach (
733	prio => -1000000,	1109	prio => -1000000,
734	on_instantiate => sub {	1110	on_instantiate => sub {
735	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
736		1112
737	$data = from_json $data;	1113	$data = decode_json $data;
738		1114
739	for (@$data) {	1115	for (@$data) {
740	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
741		1117
742	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1134	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
760		1136
761	sync_job {	1137	sync_job {
762	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
765		1142
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1147	close $fh;
771		1148
772	if (@$objs) {	1149	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1155	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
780	}	1157	}
…		…
788	}	1165	}
789	} else {	1166	} else {
790	aio_unlink $filename;	1167	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
792	}	1169	}
793	}	1170	};
794	}	1171	}
795		1172
796	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
798		1175
…		…
810	or return;	1187	or return;
811		1188
812	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
814	or return;	1191	or return;
		1192
815	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
816	}	1195	}
817		1196
		1197	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
820	return ($data, $av);	1201	($data, $av)
821	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
822		1209
823	#############################################################################	1210	#############################################################################
824	# command handling &c	1211	# command handling &c
825		1212
826	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1227	}
841		1228
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1230
844	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
845		1236
846	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
847	called.	1238	called.
848		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
849	=cut	1251	=cut
850		1252
851	sub register_extcmd {	1253	sub register_extcmd {
852	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
853		1255
854	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
855	}	1263	}
856		1264
857	cf::player->attach (	1265	cf::player->attach (
858	on_command => sub {	1266	on_command => sub {
859	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1276	cf::override;
869	},	1277	},
870	on_extcmd => sub {	1278	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
872		1280
873	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1282
875	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
881	} else {	1298	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1300	}
884		1301
885	cf::override;	1302	cf::override;
886	},	1303	},
887	);	1304	);
888		1305
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
924	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1311	next unless -r $path;
926	eval {	1312
927	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
928	1	1369	}
929	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
930	}	1375	};
931	}	1376	}
932		1377
933	#############################################################################	1378	#############################################################################
934		1379
		1380	=back
		1381
935	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
936		1383
937	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
938		1385
939	=cut	1386	=cut
…		…
944		1391
945	=head3 cf::player	1392	=head3 cf::player
946		1393
947	=over 4	1394	=over 4
948		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
949	=item cf::player::find $login	1410	=item cf::player::find $login
950		1411
951	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
952		1413
953	=cut	1414	=cut
954		1415
955	sub playerdir($) {	1416	sub playerdir($) {
956	cf::localdir	1417	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1419	}
962		1420
963	sub path($) {	1421	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1423
966	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
967	}	1425	}
968		1426
969	sub find_active($) {	1427	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1442	my $login = $_[0];
985		1443
986	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
987		1445
988	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
990	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
992	}	1462	}
993	}	1463	}
994	}	1464	}
995		1465
…		…
1005		1475
1006	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1008		1478
1009	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1010	Coro::cede;	1480	cf::cede_to_tick;
1011	}	1481	}
1012		1482
1013	sub new($) {	1483	sub new($) {
1014	my ($login) = @_;	1484	my ($login) = @_;
1015		1485
…		…
1019	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1020		1490
1021	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1022		1492
1023	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1024	}	1504	}
1025		1505
1026	=item $pl->quit_character	1506	=item $pl->quit_character
1027		1507
1028	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1078		1558
1079	=cut	1559	=cut
1080		1560
1081	sub list_logins {	1561	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1563	or return [];
1084		1564
1085	my @logins;	1565	my @logins;
1086		1566
1087	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1091		1576
1092	utf8::decode $login;	1577	utf8::decode $login;
1093	push @logins, $login;	1578	push @logins, $login;
1094	}	1579	}
1095		1580
…		…
1122	}	1607	}
1123		1608
1124	\@paths	1609	\@paths
1125	}	1610	}
1126		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1128		1706
1129	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1130		1708
1131	=cut	1709	=cut
1132		1710
1133	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1135		1713
1136	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1715	}
1140		1716
1141	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		1724	my ($self, $type, @msg) = @_;
		1725
		1726	$self->ns->ext_msg ($type, @msg);
		1727	}
		1728
		1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1142		1757
1143	=back	1758	=back
1144
1145		1759
1146	=head3 cf::map	1760	=head3 cf::map
1147		1761
1148	=over 4	1762	=over 4
1149		1763
…		…
1204	my ($self, $merge) = @_;	1818	my ($self, $merge) = @_;
1205		1819
1206	# we have to keep some variables in memory intact	1820	# we have to keep some variables in memory intact
1207	local $self->{path};	1821	local $self->{path};
1208	local $self->{load_path};	1822	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1823
1212	$self->SUPER::thawer_merge ($merge);	1824	$self->SUPER::thawer_merge ($merge);
1213	}	1825	}
1214		1826
1215	sub normalise {	1827	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1263	return $self;	1875	return $self;
1264	}	1876	}
1265	}	1877	}
1266		1878
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1880	()
1269	}	1881	}
1270		1882
1271	sub init {	1883	sub init {
1272	my ($self) = @_;	1884	my ($self) = @_;
…		…
1287		1899
1288	# the original (read-only) location	1900	# the original (read-only) location
1289	sub load_path {	1901	sub load_path {
1290	my ($self) = @_;	1902	my ($self) = @_;
1291		1903
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1904	"$MAPDIR/$self->{path}.map"
1293	}	1905	}
1294		1906
1295	# the temporary/swap location	1907	# the temporary/swap location
1296	sub save_path {	1908	sub save_path {
1297	my ($self) = @_;	1909	my ($self) = @_;
1298		1910
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1912	"$TMPDIR/$path.map"
1301	}	1913	}
1302		1914
1303	# the unique path, undef == no special unique path	1915	# the unique path, undef == no special unique path
1304	sub uniq_path {	1916	sub uniq_path {
1305	my ($self) = @_;	1917	my ($self) = @_;
1306		1918
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1920	"$UNIQUEDIR/$path"
1309	}	1921	}
1310		1922
1311	# and all this just because we cannot iterate over	1923	# and all this just because we cannot iterate over
1312	# all maps in C++...	1924	# all maps in C++...
1313	sub change_all_map_light {	1925	sub change_all_map_light {
…		…
1315		1927
1316	$_->change_map_light ($change)	1928	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1929	for grep $_->outdoor, values %cf::MAP;
1318	}	1930	}
1319		1931
		1932	sub decay_objects {
		1933	my ($self) = @_;
		1934
		1935	return if $self->{deny_reset};
		1936
		1937	$self->do_decay_objects;
		1938	}
		1939
1320	sub unlink_save {	1940	sub unlink_save {
1321	my ($self) = @_;	1941	my ($self) = @_;
1322		1942
1323	utf8::encode (my $save = $self->save_path);	1943	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1944	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1947
1328	sub load_header_from($) {	1948	sub load_header_from($) {
1329	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1330		1950
1331	utf8::encode $path;	1951	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1953	or return;
		1954
		1955	$self->_load_header ($f)
		1956	or return;
		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
1337		1960
1338	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1339		1962
1340	1	1963	1
1341	}	1964	}
…		…
1380	$self->load_header_orig	2003	$self->load_header_orig
1381	or return;	2004	or return;
1382	$self->prepare_orig;	2005	$self->prepare_orig;
1383	}	2006	}
1384		2007
		2008	$self->{deny_reset} = 1
		2009	if $self->no_reset;
		2010
		2011	$self->default_region (cf::region::find_by_path $self->{path})
		2012	unless $self->default_region;
		2013
1385	1	2014	1
1386	}	2015	}
1387		2016
1388	sub find;	2017	sub find;
1389	sub find {	2018	sub find {
1390	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1391		2020
1392	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1393		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1395		2025
1396	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1398	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1399	or return;	2031	or return;
1400		2032
1401	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1402		2034
1403	$map->load_header	2035	$map->load_header
1404	or return;	2036	or return;
1405		2037
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1409	$map->reset;	2043	$map->reset;
1410	undef $guard;
1411	return find $path;	2044	return find $path;
1412	}	2045	}
1413		2046
1414	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1415	}	2048	}
…		…
1422	my ($self) = @_;	2055	my ($self) = @_;
1423		2056
1424	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1425		2058
1426	my $path = $self->{path};	2059	my $path = $self->{path};
		2060
		2061	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1428		2063
		2064	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2066
1431	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1432		2068
1433	$self->alloc;	2069	$self->alloc;
1434		2070
1435	$self->pre_load;	2071	$self->pre_load;
		2072	cf::cede_to_tick;
1436		2073
1437	$self->_load_objects ($self->{load_path}, 1)	2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
		2076	$self->_load_objects ($f)
1438	or return;	2077	or return;
1439		2078
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2080	if delete $self->{load_original};
1442		2081
1443	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2083	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2086	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1448	}	2090	}
1449	}	2091	}
1450		2092
1451	Coro::cede;	2093	$f->resolve_delayed_derefs;
1452		2094
		2095	cf::cede_to_tick;
1453	# now do the right thing for maps	2096	# now do the right thing for maps
1454	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2099	unless $self->difficulty;
1464	Coro::cede;	2100	cf::cede_to_tick;
		2101
		2102	unless ($self->{deny_activate}) {
		2103	$self->decay_objects;
		2104	$self->fix_auto_apply;
		2105	$self->update_buttons;
		2106	cf::cede_to_tick;
		2107	$self->set_darkness_map;
		2108	cf::cede_to_tick;
1465	$self->activate;	2109	$self->activate;
		2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
		2114
		2115	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	2116	}
1467		2117
1468	$self->post_load;	2118	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2119	}
1472		2120
1473	sub customise_for {	2121	sub customise_for {
1474	my ($self, $ob) = @_;	2122	my ($self, $ob) = @_;
1475		2123
1476	return find "~" . $ob->name . "/" . $self->{path}	2124	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2125	if $self->per_player;
1478		2126
		2127	# return find "?party/" . $ob->name . "/" . $self->{path}
		2128	# if $self->per_party;
		2129
1479	$self	2130	$self
1480	}	2131	}
1481		2132
1482	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2134	sub load_neighbours {
1484	my ($map) = @_;	2135	my ($map) = @_;
1485		2136
1486	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1487		2138
1488	for (0 .. 3) {	2139	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1490	or next;	2141	or next;
1491	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1492	or next;	2143	or next;
1493	$neigh->load;	2144	$neigh->load;
1494		2145
		2146	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2149	}
1498		2150
1499	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1501	or next;	2154	or next;
1502	$neigh->load;	2155	$neigh->load;
1503	}	2156	}
1504	}	2157	}
1505		2158
…		…
1510	}	2163	}
1511		2164
1512	sub do_load_sync {	2165	sub do_load_sync {
1513	my ($map) = @_;	2166	my ($map) = @_;
1514		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1515	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1516	}	2172	}
1517		2173
1518	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1520		2176
1521	sub find_async {	2177	sub find_async {
1522	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1523		2179
1524	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1525		2181
1526	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2184	}
1529		2185
1530	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1531	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1532	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2193	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2194	$map->load if $v;
		2195	}
1537		2196
1538	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1539	}	2198	}
1540	}	2199	}
1541	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1542	};	2201	};
1543	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2205	}
1547		2206
1548	sub save {	2207	sub save {
1549	my ($self) = @_;	2208	my ($self) = @_;
1550		2209
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2211
1553	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1554		2213
1555	return unless $self->dirty;	2214	return unless $self->dirty;
1556		2215
…		…
1562	return if $self->{deny_save};	2221	return if $self->{deny_save};
1563		2222
1564	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1565		2224
1566	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1568	};	2228	};
1569		2229
1570	if ($uniq) {	2230	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2239	my ($self) = @_;
1580		2240
1581	# save first because save cedes	2241	# save first because save cedes
1582	$self->save;	2242	$self->save;
1583		2243
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2245
1586	return if $self->players;	2246	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2248	return if $self->{deny_save};
1589		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2254	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2255	}
1593		2256
1594	sub reset_at {	2257	sub reset_at {
1595	my ($self) = @_;	2258	my ($self) = @_;
1596		2259
1597	# TODO: safety, remove and allow resettable per-player maps	2260	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2261	return 1e99 if $self->{deny_reset};
1600		2262
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2265
…		…
1614	my ($self) = @_;	2276	my ($self) = @_;
1615		2277
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2279
1618	return if $self->players;	2280	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2281
1621	warn "resetting map ", $self->path;#d#	2282	warn "resetting map ", $self->path;
1622		2283
1623	$self->in_memory (cf::MAP_SWAPPED);	2284	$self->in_memory (cf::MAP_SWAPPED);
1624		2285
1625	# need to save uniques path	2286	# need to save uniques path
1626	unless ($self->{deny_save}) {	2287	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2291	if $uniq;
1631	}	2292	}
1632		2293
1633	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1634		2295
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2298	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2299
1639	$self->unlink_save;	2300	$self->unlink_save;
1640	$self->destroy;	2301	$self->destroy;
1641	}	2302	}
1642		2303
1643	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1644		2305
1645	sub nuke {	2306	sub nuke {
1646	my ($self) = @_;	2307	my ($self) = @_;
1647		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1648	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
1649		2313
1650	$self->unlink_save;	2314	$self->unlink_save;
1651		2315
1652	bless $self, "cf::map";	2316	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2321
1658	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
1659		2324
1660	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
		2326	}
		2327
		2328	=item $maps = cf::map::tmp_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	maps. May block.
		2332
		2333	=cut
		2334
		2335	sub tmp_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise $_
		2341	: ()
		2342	} @{ aio_readdir $TMPDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item $maps = cf::map::random_maps
		2347
		2348	Returns an arrayref with all map paths of currently instantiated and saved
		2349	random maps. May block.
		2350
		2351	=cut
		2352
		2353	sub random_maps() {
		2354	[
		2355	map {
		2356	utf8::decode $_;
		2357	/\.map$/
		2358	? normalise "?random/$_"
		2359	: ()
		2360	} @{ aio_readdir $RANDOMDIR or [] }
		2361	]
1661	}	2362	}
1662		2363
1663	=item cf::map::unique_maps	2364	=item cf::map::unique_maps
1664		2365
1665	Returns an arrayref of paths of all shared maps that have	2366	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2367	instantiated unique items. May block.
1667		2368
1668	=cut	2369	=cut
1669		2370
1670	sub unique_maps() {	2371	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2372	[
1672	or return;	2373	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2374	utf8::decode $_;
1678	next if /\.pst$/;	2375	/\.map$/
1679	next unless /^$PATH_SEP/o;	2376	? normalise $_
1680		2377	: ()
1681	push @paths, cf::map::normalise $_;	2378	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2379	]
1683
1684	\@paths
1685	}	2380	}
1686
1687	package cf;
1688		2381
1689	=back	2382	=back
1690		2383
1691	=head3 cf::object	2384	=head3 cf::object
1692		2385
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
1708	}	2401	}
1709		2402
1710	sub inv_recursive {	2403	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
1712	}	2433	}
1713		2434
1714	package cf;	2435	package cf;
1715		2436
1716	=back	2437	=back
…		…
1735		2456
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2458
1738	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
1740	} else {	2462	} else {
		2463	my $pl = $self->contr;
		2464
		2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2466	my $dialog = $pl->{npc_dialog};
		2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2468
		2469	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
1743	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
1744	}	2484	}
1745		2485
1746	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
1747		2487
1748	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2535	$self->deactivate_recursive;
1796		2536
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2537	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2538
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2540	if $self->map && $self->map->{path} ne "{link}";
1801		2541
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2543	}
1804		2544
1805	sub cf::object::player::leave_link {	2545	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2546	my ($self, $map, $x, $y) = @_;
		2547
		2548	return unless $self->contr->active;
1807		2549
1808	my $link_pos = delete $self->{_link_pos};	2550	my $link_pos = delete $self->{_link_pos};
1809		2551
1810	unless ($map) {	2552	unless ($map) {
1811	# restore original map position	2553	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
1828		2570
1829	$map->load;	2571	$map->load;
1830	$map->load_diag;	2572	$map->load_neighbours;
1831		2573
1832	return unless $self->contr->active;	2574	return unless $self->contr->active;
1833	$self->activate_recursive;	2575	$self->activate_recursive;
1834		2576
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
1837	}	2579	}
1838		2580
1839	cf::player->attach (	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2582
1843	# abort map switching before logout	2583	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2584	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2585	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2586	the new (success) or old (failed) map position. In either case, $done will
1847	};	2587	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2588
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2589	=cut
		2590
		2591	our $GOTOGEN;
1874		2592
1875	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
		2595
		2596	# do generation counting so two concurrent goto's will be executed in-order
		2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2598
1878	$self->enter_link;	2599	$self->enter_link;
1879		2600
1880	(async {	2601	(async {
		2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
1881	my $map = eval {	2623	my $map = eval {
1882	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
		2625
		2626	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2627	$map = $map->customise_for ($self);
		2628	$map = $check->($map) if $check && $map;
		2629	} else {
		2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
		2632
1884	$map	2633	$map
		2634	};
		2635
		2636	if ($@) {
		2637	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2638	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2639	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2640
		2641	if ($gen == $self->{_goto_generation}) {
		2642	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
		2644	}
		2645
		2646	$done->() if $done;
1889	})->prio (1);	2647	})->prio (1);
1890	}	2648	}
1891		2649
1892	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
1893		2651
…		…
1930	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
1931	}	2689	}
1932		2690
1933	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
1934		2692
1935	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
1938		2696
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2699	undef $fh;
1942	aio_rename "$meta~", $meta;	2700	aio_rename "$meta~", $meta;
…		…
1951		2709
1952	return unless $self->type == cf::PLAYER;	2710	return unless $self->type == cf::PLAYER;
1953		2711
1954	if ($exit->slaying eq "/!") {	2712	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2714	# the problem is that $exit might not survive long enough
		2715	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2716	cf::sync_job { prepare_random_map $exit };
1957	}	2717	}
1958		2718
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2720	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2721	my $sp = $exit->stats->sp;
1962		2722
1963	$self->enter_link;	2723	$self->enter_link;
1964		2724
		2725	# if exit is damned, update players death & WoR home-position
		2726	$self->contr->savebed ($slaying, $hp, $sp)
		2727	if $exit->flag (FLAG_DAMNED);
		2728
1965	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
1966	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2733	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
1969		2735
1970	1;	2736	1;
1971	}) {	2737	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2742
1977	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2744	$self->leave_link;
1979	}	2745	}
1980	})->prio (1);	2746	})->prio (1);
…		…
1993		2759
1994	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1996		2762
1997	utf8::encode $text;	2763	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2765	}
2000		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg);
		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
		2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2864	} else {
		2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
		2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
		2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2883	} else {
		2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2885	$self->send_packet ("drawinfo $color $msg")
		2886	}
		2887	}
		2888	}
		2889	}
		2890
		2891	=item $client->ext_msg ($type, @msg)
		2892
		2893	Sends an ext event to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_msg($$@) {
		2898	my ($self, $type, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
		2903	push @msg, msgtype => "event_$type";
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
		2924	}
2001		2925
2002	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2003		2927
2004	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2931
2008	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2933	become reliable at some point in the future.
2010		2934
2011	=cut	2935	=cut
2012		2936
2013	sub cf::client::query {	2937	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2946	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2948
2025	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2027	}	2953	}
2028		2954
2029	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
2030	on_reply => sub {	2961	on_reply => sub {
2031	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2032		2963
2033	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2034	# get handled first	2965	# get handled first
…		…
2046	} else {	2977	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2979	}
2049	}	2980	}
2050	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
2051	);	3008	);
2052		3009
2053	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2054		3011
2055	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2098		3055
2099	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2100		3057
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2102		3063
2103	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2104		3065
2105	=pod	3066	=pod
2106		3067
2107	The following fucntions and emthods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2108		3069
2109	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2110	cf::object::player player	3074	cf::object::player
2111	cf::player peaceful	3075	player
2112	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2113		3082
2114	=cut	3083	=cut
2115		3084
2116	for (	3085	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
		3088	decrease_ob_nr destroy)],
2118	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2121	) {	3092	) {
2122	no strict 'refs';	3093	no strict 'refs';
…		…
2193	=back	3164	=back
2194		3165
2195	=cut	3166	=cut
2196		3167
2197	#############################################################################	3168	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3169	# the server's init and main functions
2271		3170
2272	sub load_faces {	3171	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3172	my ($path) = @_;
2274		3173
		3174	# HACK to clear player env face cache, we need some signal framework
		3175	# for this (global event?)
		3176	%ext::player_env::MUSIC_FACE_CACHE = ();
		3177
		3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3179
2275	warn "loading faces from $path\n";	3180	warn "loading facedata from $path\n";
2276		3181
2277	my $faces;	3182	my $facedata;
2278	0 < aio_load $path, $faces	3183	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3184	or die "$path: $!";
2280		3185
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3186	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3187
		3188	$facedata->{version} == 2
		3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3190
		3191	# patch in the exptable
		3192	$facedata->{resource}{"res/exp_table"} = {
		3193	type => FT_RSRC,
		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3195	};
		3196	cf::cede_to_tick;
		3197
		3198	{
		3199	my $faces = $facedata->{faceinfo};
		3200
2285	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3203
		3204	cf::face::set_visibility $idx, $info->{visibility};
		3205	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3208
		3209	cf::cede_to_tick;
		3210	}
		3211
		3212	while (my ($face, $info) = each %$faces) {
		3213	next unless $info->{smooth};
		3214
		3215	my $idx = cf::face::find $face
		3216	or next;
		3217
		3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
		3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3221	} else {
		3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3223	}
		3224
		3225	cf::cede_to_tick;
		3226	}
		3227	}
		3228
2290	}	3229	{
		3230	my $anims = $facedata->{animinfo};
		3231
		3232	while (my ($anim, $info) = each %$anims) {
		3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3234	cf::cede_to_tick;
		3235	}
		3236
		3237	cf::anim::invalidate_all; # d'oh
		3238	}
		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3274
2292	1	3275	1
2293	}	3276	}
2294		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
		3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	#d# NEED to laod twice to resolve forward references
		3329	# this really needs to be done in an extra post-pass
		3330	# (which needs to be synchronous, so solve it differently)
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	}
		3334
		3335	sub reload_treasures {
		3336	load_resource_file "$DATADIR/treasures"
		3337	or die "unable to load treasurelists\n";
		3338	}
		3339
2295	sub reload_resources {	3340	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3341	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3342
		3343	reload_regions;
2298	load_faces	3344	reload_facedata;
2299	or die "unable to load faces\n";#d#	3345	#reload_archetypes;#d#
		3346	reload_archetypes;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
2300	}	3350	}
2301		3351
2302	sub init {	3352	sub init {
2303	reload_resources;	3353	reload_resources;
2304	}	3354	}
2305		3355
2306	sub cfg_load {	3356	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3358	or return;
2309		3359
2310	local $/;	3360	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2312		3362
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3364
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2327	sub main {	3377	sub main {
2328	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3381	(async {
2332	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2334	};	3385	};
2335		3386
2336	cfg_load;	3387	reload_config;
2337	db_init;	3388	db_init;
2338	load_extensions;	3389	load_extensions;
2339		3390
2340	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2341	Event::loop;	3393	EV::loop;
2342	}	3394	}
2343		3395
2344	#############################################################################	3396	#############################################################################
2345	# initialisation and cleanup	3397	# initialisation and cleanup
2346		3398
2347	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2348	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2357	},
2358	);	3405	};
		3406	}
		3407	}
		3408
		3409	sub write_runtime {
		3410	my $runtime = "$LOCALDIR/runtime";
		3411
		3412	# first touch the runtime file to show we are still running:
		3413	# the fsync below can take a very very long time.
		3414
		3415	IO::AIO::aio_utime $runtime, undef, undef;
		3416
		3417	my $guard = cf::lock_acquire "write_runtime";
		3418
		3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3420	or return;
		3421
		3422	my $value = $cf::RUNTIME + 90 + 10;
		3423	# 10 is the runtime save interval, for a monotonic clock
		3424	# 60 allows for the watchdog to kill the server.
		3425
		3426	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3427	and return;
		3428
		3429	# always fsync - this file is important
		3430	aio_fsync $fh
		3431	and return;
		3432
		3433	# touch it again to show we are up-to-date
		3434	aio_utime $fh, undef, undef;
		3435
		3436	close $fh
		3437	or return;
		3438
		3439	aio_rename "$runtime~", $runtime
		3440	and return;
		3441
		3442	warn "runtime file written.\n";
		3443
2359	}	3444	1
		3445	}
		3446
		3447	our $uuid_lock;
		3448	our $uuid_skip;
		3449
		3450	sub write_uuid_sync($) {
		3451	$uuid_skip ||= $_[0];
		3452
		3453	return if $uuid_lock;
		3454	local $uuid_lock = 1;
		3455
		3456	my $uuid = "$LOCALDIR/uuid";
		3457
		3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3459	or return;
		3460
		3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3462	$uuid_skip = 0;
		3463
		3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3465	and return;
		3466
		3467	# always fsync - this file is important
		3468	aio_fsync $fh
		3469	and return;
		3470
		3471	close $fh
		3472	or return;
		3473
		3474	aio_rename "$uuid~", $uuid
		3475	and return;
		3476
		3477	warn "uuid file written ($value).\n";
		3478
		3479	1
		3480
		3481	}
		3482
		3483	sub write_uuid($$) {
		3484	my ($skip, $sync) = @_;
		3485
		3486	$sync ? write_uuid_sync $skip
		3487	: async { write_uuid_sync $skip };
2360	}	3488	}
2361		3489
2362	sub emergency_save() {	3490	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2364		3492
…		…
2370	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3504	$pl->save;
2376	}	3505	}
2377	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2378		3507
2379	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2385	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
2386		3515
2387	warn "begin emergency database checkpoint\n";	3516	warn "begin emergency database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3517	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3518	warn "end emergency database checkpoint\n";
		3519
		3520	warn "begin write uuid\n";
		3521	write_uuid_sync 1;
		3522	warn "end write uuid\n";
2390	};	3523	};
2391		3524
2392	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2393	}	3526	}
2394		3527
…		…
2397		3530
2398	warn Carp::longmess "post_cleanup backtrace"	3531	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3532	if $make_core;
2400	}	3533	}
2401		3534
2402	sub reload() {	3535	sub do_reload_perl() {
2403	# can/must only be called in main	3536	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3537	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3538	warn "can only reload from main coroutine";
2406	return;	3539	return;
2407	}	3540	}
…		…
2418	warn "syncing database to disk";	3551	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3552	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3553
2421	# if anything goes wrong in here, we should simply crash as we already saved	3554	# if anything goes wrong in here, we should simply crash as we already saved
2422		3555
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
2429	for (;;) {	3557	for (;;) {
2430	BDB::flush;	3558	BDB::flush;
2431	IO::AIO::flush;	3559	IO::AIO::flush;
2432	Coro::cede;	3560	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3561	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3562	warn "iterate...";
2435	}	3563	}
2436		3564
2437	++$RELOAD;	3565	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3569	%EXT_CORO = ();
2442		3570
2443	warn "removing commands";	3571	warn "removing commands";
2444	%COMMAND = ();	3572	%COMMAND = ();
2445		3573
2446	warn "removing ext commands";	3574	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3575	%EXTCMD = ();
		3576	%EXTICMD = ();
2448		3577
2449	warn "unloading/nuking all extensions";	3578	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3579	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3580	warn "... unloading $pkg";
2452		3581
…		…
2482	Symbol::delete_package "safe::$_"	3611	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3612	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3613
2485	warn "unloading cf.pm \"a bit\"";	3614	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3615	delete $INC{"cf.pm"};
		3616	delete $INC{"cf/pod.pm"};
2487		3617
2488	# don't, removes xs symbols, too,	3618	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3619	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3620	#Symbol::delete_package __PACKAGE__;
2491		3621
…		…
2494	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
2495	require cf;	3625	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3627
2498	warn "loading config and database again";	3628	warn "loading config and database again";
2499	cf::cfg_load;	3629	cf::reload_config;
2500		3630
2501	warn "loading extensions";	3631	warn "loading extensions";
2502	cf::load_extensions;	3632	cf::load_extensions;
2503		3633
2504	warn "reattaching attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3636	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3637	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3638	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3639	reattach $_ for values %PLAYER;
2510		3640
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3641	warn "leaving sync_job";
2515		3642
2516	1	3643	1
2517	} or do {	3644	} or do {
2518	warn $@;	3645	warn $@;
2519	warn "error while reloading, exiting.";	3646	cf::cleanup "error while reloading, exiting.";
2520	exit 1;
2521	};	3647	};
2522		3648
2523	warn "reloaded";	3649	warn "reloaded";
2524	};	3650	};
2525		3651
2526	our $RELOAD_WATCHER; # used only during reload	3652	our $RELOAD_WATCHER; # used only during reload
2527		3653
		3654	sub reload_perl() {
		3655	# doing reload synchronously and two reloads happen back-to-back,
		3656	# coro crashes during coro_state_free->destroy here.
		3657
		3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3659	do_reload_perl;
		3660	undef $RELOAD_WATCHER;
		3661	};
		3662	}
		3663
2528	register_command "reload" => sub {	3664	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
2530		3666
2531	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3668	$who->message ("reloading server.");
2533		3669	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3670	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3671	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3672	};
2546	}	3673	}
2547	};	3674	};
2548		3675
2549	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
2550		3677
2551	my $bug_warning = 0;	3678	my $bug_warning = 0;
2552		3679
2553	$TICK_WATCHER = Event->timer (	3680	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3681	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3682
2556	prio => 0,	3683	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3684	return if tick_inhibit;
2558	data => WF_AUTOCANCEL,	3685	return if $Coro::current == $Coro::main;
2559	cb => sub {	3686
		3687	my $signal = new Coro::Signal;
		3688	push @WAIT_FOR_TICK, $signal;
		3689	$signal->wait;
		3690	}
		3691
		3692	sub wait_for_tick_begin {
		3693	return if tick_inhibit;
		3694	return if $Coro::current == $Coro::main;
		3695
		3696	my $signal = new Coro::Signal;
		3697	push @WAIT_FOR_TICK_BEGIN, $signal;
		3698	$signal->wait;
		3699	}
		3700
		3701	sub tick {
2560	if ($Coro::current != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
2563	return;	3705	return;
2564	}	3706	}
2565		3707
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3709
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3712	Coro::async_pool {
		3713	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3714	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3715	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3716	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3717	}
2592	);	3718
		3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3720	$sig->send;
		3721	}
		3722	while (my $sig = shift @WAIT_FOR_TICK) {
		3723	$sig->send;
		3724	}
		3725
		3726	$LOAD = ($NOW - $TICK_START) / $TICK;
		3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3728
		3729	if (0) {
		3730	if ($NEXT_TICK) {
		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
		3735	}
		3736	}
2593		3737
2594	{	3738	{
2595	BDB::max_poll_time $TICK * 0.1;	3739	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3740
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3741	BDB::min_parallel 8;
2605		3742	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3743	$Coro::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3744
2621	unless ($DB_ENV) {	3745	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3746	$DB_ENV = BDB::db_env_create;
		3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3748	| BDB::LOG_AUTOREMOVE, 1);
		3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3751
2624	cf::sync_job {	3752	cf::sync_job {
2625	eval {	3753	eval {
2626	BDB::db_env_open	3754	BDB::db_env_open
2627	$DB_ENV,	3755	$DB_ENV,
2628	$BDB_ENV_DIR,	3756	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3757	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3759	0666;
2632		3760
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3761	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3762	};
2638		3763
2639	cf::cleanup "db_env_open(db): $@" if $@;	3764	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3765	};
2641	}	3766	}
		3767
		3768	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3769	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3770	};
		3771	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3772	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3773	};
		3774	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3775	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3776	};
2642	}	3777	}
2643		3778
2644	{	3779	{
		3780	# configure IO::AIO
		3781
2645	IO::AIO::min_parallel 8;	3782	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3783	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3784	$Coro::AIO::WATCHER->priority (1);
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3785	}
		3786
		3787	my $_log_backtrace;
		3788
		3789	sub _log_backtrace {
		3790	my ($msg, @addr) = @_;
		3791
		3792	$msg =~ s/\n//;
		3793
		3794	# limit the # of concurrent backtraces
		3795	if ($_log_backtrace < 2) {
		3796	++$_log_backtrace;
		3797	async {
		3798	$Coro::current->{desc} = "abt $msg";
		3799
		3800	my @bt = fork_call {
		3801	@addr = map { sprintf "%x", $_ } @addr;
		3802	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3803	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3804	or die "addr2line: $!";
		3805
		3806	my @funcs;
		3807	my @res = <$fh>;
		3808	chomp for @res;
		3809	while (@res) {
		3810	my ($func, $line) = splice @res, 0, 2, ();
		3811	push @funcs, "[$func] $line";
		3812	}
		3813
		3814	@funcs
		3815	};
		3816
		3817	LOG llevInfo, "[ABT] $msg\n";
		3818	LOG llevInfo, "[ABT] $_\n" for @bt;
		3819	--$_log_backtrace;
		3820	};
		3821	} else {
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] [suppressed]\n";
		3824	}
		3825	}
		3826
		3827	# load additional modules
		3828	use cf::pod;
2658		3829
2659	END { cf::emergency_save }	3830	END { cf::emergency_save }
2660		3831
2661	1	3832	1
2662		3833

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