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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 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 Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	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
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	80
		81	our $CONFDIR = confdir;
		82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
60		93
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	97	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		99
69	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	104	our $DB_ENV;
71		105
72	our %CFG;	106	our %CFG;
73		107
74	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
76		111
77	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		115
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $TICK_START; # for load detecting purposes
		123
86	binmode STDOUT;	124	binmode STDOUT;
87	binmode STDERR;	125	binmode STDERR;
88		126
89	# read virtual server time, if available	127	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
94	}	132	}
95		133
96	mkdir cf::localdir;	134	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		136
103	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
104		138
105	sub cf::map::normalise;	139	sub cf::map::normalise;
106		140
…		…
117	=item $cf::RUNTIME	151	=item $cf::RUNTIME
118		152
119	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
120	every server tick.	154	every server tick.
121		155
122	=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
123		159
124	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		164
127	=item $cf::NOW	165	=item $cf::NOW
128		166
129	The time of the last (current) server tick.	167	The time of the last (current) server tick.
130		168
131	=item $cf::TICK	169	=item $cf::TICK
132		170
133	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	183	=item %cf::CFG
136		184
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	186	from wherever your confdir points to.
139		187
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		189
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		199
146	=back	200	=back
147		201
148	=cut	202	=cut
149		203
150	BEGIN {	204	BEGIN {
…		…
152	my $msg = join "", @_;	206	my $msg = join "", @_;
153		207
154	$msg .= "\n"	208	$msg .= "\n"
155	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
156		210
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		212
159	utf8::encode $msg;
160	LOG llevError, $msg;	213	LOG llevError, $msg;
161	};	214	};
162	}	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#?
163		231
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		239
171	# 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
172	# within the Safe compartment.	241	# within the Safe compartment.
173	for my $pkg (qw(	242	for my $pkg (qw(
174	cf::global cf::attachable	243	cf::global cf::attachable
…		…
179	)) {	248	)) {
180	no strict 'refs';	249	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	251	}
183		252
184	$Event::DIED = sub {	253	$EV::DIED = sub {
185	warn "error in event callback: @_";	254	warn "error in event callback: @_";
186	};	255	};
		256
		257	#############################################################################
187		258
188	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
189		260
190	=over 4	261	=over 4
191		262
…		…
210	$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;
211	$d	282	$d
212	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
213	}	284	}
214		285
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
218		287
219	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
220		289
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.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
224		300
225	=item cf::lock_wait $string	301	=item cf::lock_wait $string
226		302
227	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
228		304
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
234	returned.	310	returned.
235		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
236	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
237	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
238		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
239	=cut	322	=cut
240		323
241	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
242		326
243	sub lock_wait($) {	327	sub lock_wait($) {
244	my ($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#
245		334
246	# wait for lock, if any	335	# wait for lock, if any
247	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	338	Coro::schedule;
…		…
255		344
256	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
257	lock_wait $key;	346	lock_wait $key;
258		347
259	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
260		350
261	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
264	}	355	}
265	}	356	}
266		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
267	sub freeze_mainloop {	364	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
269		366
270	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
271	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
272	};	428	}
273	$TICK_WATCHER->stop;	429	};
274	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
275	}	441	}
276		442
277	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
278		444
279	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		450
285	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
286		452
287	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
288		454
289	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
292		459
293	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
296	fast or be very important.	463	fast or be very important.
…		…
299		466
300	sub sync_job(&) {	467	sub sync_job(&) {
301	my ($job) = @_;	468	my ($job) = @_;
302		469
303	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
304	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
306		475
307	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	477
309	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
310		479
311	my $busy = 1;	480	my $busy = 1;
312	my @res;	481	my @res;
313		482
314	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	485	@res = eval { $job->() };
316	warn $@ if $@;	486	warn $@ if $@;
317	undef $busy;	487	undef $busy;
318	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
319		489
320	while ($busy) {	490	while ($busy) {
321	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
322	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
323		501
324	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
325	} else {	503	} else {
326	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
327		505
…		…
347	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
348		526
349	$coro	527	$coro
350	}	528	}
351		529
352	sub write_runtime {	530	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		531
355	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.
356		536
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
358	or return;
359		538
360	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		541
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
365	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
366		545
367	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	547	reset_signals;
369	and return;	548	&$cb
		549	}, @args;
370		550
371	close $fh	551	wantarray ? @res : $res[-1]
372	or return;	552	}
373		553
374	aio_rename "$runtime~", $runtime	554	=item $coin = coin_from_name $name
375	and return;
376		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		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($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
377	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		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"
378	}	706	}
379		707
380	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
381		709
382	Log a datalog packet of the given type with the given key-value pairs.	710	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
402		730
403	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>
404	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
405	crossfire+).	733	Deliantra).
406		734
407	=over 4	735	=over 4
408		736
409	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
410		738
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
574		902
575	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		907
580	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	909	my $pkg = shift @arg;
582		910
583	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
613	}	941	}
614		942
615	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
616	} else {	944	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	946	}
619		947
620	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
621	}	949	}
622		950
…		…
624	if (ref $_[0]) {	952	if (ref $_[0]) {
625	_object_attach @_;	953	_object_attach @_;
626	} else {	954	} else {
627	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
628	}	956	}
		957	_recalc_want;
629	};	958	};
630		959
631	# all those should be optimised	960	# all those should be optimised
632	sub cf::attachable::detach {	961	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
637	reattach ($obj);	966	reattach ($obj);
638	} else {	967	} else {
639	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
640	}	969	}
		970	_recalc_want;
641	};	971	};
642		972
643	sub cf::attachable::attached {	973	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
645		975
…		…
660	";	990	";
661	die if $@;	991	die if $@;
662	}	992	}
663		993
664	our $override;	994	our $override;
665	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?
666		996
667	sub override {	997	sub override {
668	$override = 1;	998	$override = 1;
669	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
670	}	1000	}
671		1001
672	sub do_invoke {	1002	sub do_invoke {
673	my $event = shift;	1003	my $event = shift;
674	my $callbacks = shift;	1004	my $callbacks = shift;
675		1005
676	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
677		1007
678	local $override;	1008	local $override;
679		1009
680	for (@$callbacks) {	1010	for (@$callbacks) {
681	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
690	}	1020	}
691		1021
692	0	1022	0
693	}	1023	}
694		1024
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1026
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1028
699	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
700		1030
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1034
705	=back	1035	=back
706		1036
707	=cut	1037	=cut
708		1038
709	#############################################################################	1039	#############################################################################
710	# 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, $ob2
		1082	}
711		1083
712	sub reattach {	1084	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1086	my ($obj) = @_;
715		1087
…		…
736	cf::attachable->attach (	1108	cf::attachable->attach (
737	prio => -1000000,	1109	prio => -1000000,
738	on_instantiate => sub {	1110	on_instantiate => sub {
739	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
740		1112
741	$data = from_json $data;	1113	$data = decode_json $data;
742		1114
743	for (@$data) {	1115	for (@$data) {
744	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
745		1117
746	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1134	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
764		1136
765	sync_job {	1137	sync_job {
766	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
769		1142
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1147	close $fh;
775		1148
776	if (@$objs) {	1149	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1155	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
784	}	1157	}
…		…
792	}	1165	}
793	} else {	1166	} else {
794	aio_unlink $filename;	1167	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
796	}	1169	}
797	}	1170	};
798	}	1171	}
799		1172
800	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
802		1175
…		…
814	or return;	1187	or return;
815		1188
816	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
818	or return;	1191	or return;
		1192
819	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
820	}	1195	}
821		1196
		1197	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
824	return ($data, $av);	1201	($data, $av)
825	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
826		1209
827	#############################################################################	1210	#############################################################################
828	# command handling &c	1211	# command handling &c
829		1212
830	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1227	}
845		1228
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1230
848	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.
849		1236
850	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
851	called.	1238	called.
852		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
853	=cut	1251	=cut
854		1252
855	sub register_extcmd {	1253	sub register_extcmd {
856	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
857		1255
858	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
859	}	1263	}
860		1264
861	cf::player->attach (	1265	cf::player->attach (
862	on_command => sub {	1266	on_command => sub {
863	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1276	cf::override;
873	},	1277	},
874	on_extcmd => sub {	1278	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
876		1280
877	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1282
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
885	} else {	1298	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1300	}
888		1301
889	cf::override;	1302	cf::override;
890	},	1303	},
891	);	1304	);
892		1305
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
928	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1311	next unless -r $path;
930	eval {	1312
931	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	$progress = 1;
932	1	1369	}
933	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
934	}	1375	};
935	}	1376	}
936		1377
937	#############################################################################	1378	#############################################################################
938		1379
		1380	=back
		1381
939	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
940		1383
941	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
942		1385
943	=cut	1386	=cut
…		…
948		1391
949	=head3 cf::player	1392	=head3 cf::player
950		1393
951	=over 4	1394	=over 4
952		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
953	=item cf::player::find $login	1410	=item cf::player::find $login
954		1411
955	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
956		1413
957	=cut	1414	=cut
958		1415
959	sub playerdir($) {	1416	sub playerdir($) {
960	cf::localdir	1417	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1419	}
966		1420
967	sub path($) {	1421	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
999		1453
1000	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1003	}	1462	}
1004	}	1463	}
1005	}	1464	}
1006		1465
…		…
1016		1475
1017	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1019		1478
1020	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1021	Coro::cede;	1480	cf::cede_to_tick;
1022	}	1481	}
1023		1482
1024	sub new($) {	1483	sub new($) {
1025	my ($login) = @_;	1484	my ($login) = @_;
1026		1485
…		…
1030	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1031		1490
1032	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1033		1492
1034	$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 (@_);
1035	}	1504	}
1036		1505
1037	=item $pl->quit_character	1506	=item $pl->quit_character
1038		1507
1039	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
…		…
1088	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1089		1558
1090	=cut	1559	=cut
1091		1560
1092	sub list_logins {	1561	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1563	or return [];
1095		1564
1096	my @logins;	1565	my @logins;
1097		1566
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1102		1576
1103	utf8::decode $login;	1577	utf8::decode $login;
1104	push @logins, $login;	1578	push @logins, $login;
1105	}	1579	}
1106		1580
…		…
1133	}	1607	}
1134		1608
1135	\@paths	1609	\@paths
1136	}	1610	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1139		1706
1140	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1141		1708
1142	=cut	1709	=cut
1143		1710
1144	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1146		1713
1147	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1715	}
1151		1716
1152	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1153		1718
1154	Sends an ext event to the client.	1719	Sends an ext event to the client.
1155		1720
1156	=cut	1721	=cut
1157		1722
1158	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1160		1725
1161	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1162	}	1727	}
1163		1728
1164	=head3 cf::region	1729	=head3 cf::region
1165		1730
1166	=over 4	1731	=over 4
…		…
1169		1734
1170	package cf::region;	1735	package cf::region;
1171		1736
1172	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1173		1738
1174	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1175		1740
1176	=cut	1741	=cut
1177		1742
1178	sub find_by_path($) {	1743	sub find_by_path($) {
1179	my ($path) = @_;	1744	my ($path) = @_;
1180		1745
1181	my ($match, $specificity);	1746	my ($match, $specificity);
1182		1747
1183	for my $region (list) {	1748	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1187	}	1752	}
1188	}	1753	}
1189		1754
…		…
1253	my ($self, $merge) = @_;	1818	my ($self, $merge) = @_;
1254		1819
1255	# we have to keep some variables in memory intact	1820	# we have to keep some variables in memory intact
1256	local $self->{path};	1821	local $self->{path};
1257	local $self->{load_path};	1822	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1823
1261	$self->SUPER::thawer_merge ($merge);	1824	$self->SUPER::thawer_merge ($merge);
1262	}	1825	}
1263		1826
1264	sub normalise {	1827	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1312	return $self;	1875	return $self;
1313	}	1876	}
1314	}	1877	}
1315		1878
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1880	()
1318	}	1881	}
1319		1882
1320	sub init {	1883	sub init {
1321	my ($self) = @_;	1884	my ($self) = @_;
…		…
1336		1899
1337	# the original (read-only) location	1900	# the original (read-only) location
1338	sub load_path {	1901	sub load_path {
1339	my ($self) = @_;	1902	my ($self) = @_;
1340		1903
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1904	"$MAPDIR/$self->{path}.map"
1342	}	1905	}
1343		1906
1344	# the temporary/swap location	1907	# the temporary/swap location
1345	sub save_path {	1908	sub save_path {
1346	my ($self) = @_;	1909	my ($self) = @_;
1347		1910
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1912	"$TMPDIR/$path.map"
1350	}	1913	}
1351		1914
1352	# the unique path, undef == no special unique path	1915	# the unique path, undef == no special unique path
1353	sub uniq_path {	1916	sub uniq_path {
1354	my ($self) = @_;	1917	my ($self) = @_;
1355		1918
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1920	"$UNIQUEDIR/$path"
1358	}	1921	}
1359		1922
1360	# and all this just because we cannot iterate over	1923	# and all this just because we cannot iterate over
1361	# all maps in C++...	1924	# all maps in C++...
1362	sub change_all_map_light {	1925	sub change_all_map_light {
…		…
1364		1927
1365	$_->change_map_light ($change)	1928	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1929	for grep $_->outdoor, values %cf::MAP;
1367	}	1930	}
1368		1931
		1932	sub decay_objects {
		1933	my ($self) = @_;
		1934
		1935	return if $self->{deny_reset};
		1936
		1937	$self->do_decay_objects;
		1938	}
		1939
1369	sub unlink_save {	1940	sub unlink_save {
1370	my ($self) = @_;	1941	my ($self) = @_;
1371		1942
1372	utf8::encode (my $save = $self->save_path);	1943	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1944	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1947
1377	sub load_header_from($) {	1948	sub load_header_from($) {
1378	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1379		1950
1380	utf8::encode $path;	1951	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	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;
1386		1960
1387	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1388		1962
1389	1	1963	1
1390	}	1964	}
…		…
1429	$self->load_header_orig	2003	$self->load_header_orig
1430	or return;	2004	or return;
1431	$self->prepare_orig;	2005	$self->prepare_orig;
1432	}	2006	}
1433		2007
		2008	$self->{deny_reset} = 1
		2009	if $self->no_reset;
		2010
1434	$self->default_region (cf::region::find_by_path $self->{path})	2011	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2012	unless $self->default_region;
1436		2013
1437	1	2014	1
1438	}	2015	}
…		…
1441	sub find {	2018	sub find {
1442	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1443		2020
1444	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1445		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1447		2025
1448	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1449	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
1450	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1451	or return;	2031	or return;
1452		2032
1453	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1454		2034
1455	$map->load_header	2035	$map->load_header
1456	or return;	2036	or return;
1457		2037
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1461	$map->reset;	2043	$map->reset;
1462	undef $guard;
1463	return find $path;	2044	return find $path;
1464	}	2045	}
1465		2046
1466	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1467	}	2048	}
…		…
1474	my ($self) = @_;	2055	my ($self) = @_;
1475		2056
1476	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1477		2058
1478	my $path = $self->{path};	2059	my $path = $self->{path};
		2060
		2061	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1480		2063
		2064	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2066
1483	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1484		2068
1485	$self->alloc;	2069	$self->alloc;
1486		2070
1487	$self->pre_load;	2071	$self->pre_load;
1488	Coro::cede;	2072	cf::cede_to_tick;
1489		2073
1490	$self->_load_objects ($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)
1491	or return;	2077	or return;
1492		2078
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	2080	if delete $self->{load_original};
1495		2081
1496	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2083	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2086	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1501	}	2090	}
1502	}	2091	}
1503		2092
1504	Coro::cede;	2093	$f->resolve_delayed_derefs;
		2094
		2095	cf::cede_to_tick;
1505	# now do the right thing for maps	2096	# now do the right thing for maps
1506	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2099	unless $self->difficulty;
1517	Coro::cede;	2100	cf::cede_to_tick;
		2101
		2102	unless ($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;
1518	$self->activate;	2109	$self->activate;
1519	Coro::cede;	2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
		2114
		2115	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	2116	}
1521		2117
1522	$self->post_load;	2118	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2119	}
1527		2120
1528	sub customise_for {	2121	sub customise_for {
1529	my ($self, $ob) = @_;	2122	my ($self, $ob) = @_;
1530		2123
1531	return find "~" . $ob->name . "/" . $self->{path}	2124	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2125	if $self->per_player;
1533		2126
		2127	# return find "?party/" . $ob->name . "/" . $self->{path}
		2128	# if $self->per_party;
		2129
1534	$self	2130	$self
1535	}	2131	}
1536		2132
1537	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2134	sub load_neighbours {
1539	my ($map) = @_;	2135	my ($map) = @_;
1540		2136
1541	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1542		2138
1543	for (0 .. 3) {	2139	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1545	or next;	2141	or next;
1546	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1547	or next;	2143	or next;
1548	$neigh->load;	2144	$neigh->load;
1549		2145
		2146	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2149	}
1553		2150
1554	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1556	or next;	2154	or next;
1557	$neigh->load;	2155	$neigh->load;
1558	}	2156	}
1559	}	2157	}
1560		2158
…		…
1565	}	2163	}
1566		2164
1567	sub do_load_sync {	2165	sub do_load_sync {
1568	my ($map) = @_;	2166	my ($map) = @_;
1569		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1570	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1571	}	2172	}
1572		2173
1573	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1575		2176
1576	sub find_async {	2177	sub find_async {
1577	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1578		2179
1579	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1580		2181
1581	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2184	}
1584		2185
1585	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1586	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1587	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2193	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2194	$map->load if $v;
		2195	}
1592		2196
1593	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1594	}	2198	}
1595	}	2199	}
1596	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1597	};	2201	};
1598	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2205	}
1602		2206
1603	sub save {	2207	sub save {
1604	my ($self) = @_;	2208	my ($self) = @_;
1605		2209
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2211
1608	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1609		2213
1610	return unless $self->dirty;	2214	return unless $self->dirty;
1611		2215
…		…
1617	return if $self->{deny_save};	2221	return if $self->{deny_save};
1618		2222
1619	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1620		2224
1621	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1623	};	2228	};
1624		2229
1625	if ($uniq) {	2230	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1634	my ($self) = @_;	2239	my ($self) = @_;
1635		2240
1636	# save first because save cedes	2241	# save first because save cedes
1637	$self->save;	2242	$self->save;
1638		2243
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2245
1641	return if $self->players;	2246	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2248	return if $self->{deny_save};
1644		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2254	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2255	}
1648		2256
1649	sub reset_at {	2257	sub reset_at {
1650	my ($self) = @_;	2258	my ($self) = @_;
1651		2259
1652	# TODO: safety, remove and allow resettable per-player maps	2260	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2261	return 1e99 if $self->{deny_reset};
1655		2262
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2265
…		…
1669	my ($self) = @_;	2276	my ($self) = @_;
1670		2277
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2279
1673	return if $self->players;	2280	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2281
1676	warn "resetting map ", $self->path;#d#	2282	warn "resetting map ", $self->path;
1677		2283
1678	$self->in_memory (cf::MAP_SWAPPED);	2284	$self->in_memory (cf::MAP_SWAPPED);
1679		2285
1680	# need to save uniques path	2286	# need to save uniques path
1681	unless ($self->{deny_save}) {	2287	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2291	if $uniq;
1686	}	2292	}
1687		2293
1688	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1689		2295
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2298	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2299
1694	$self->unlink_save;	2300	$self->unlink_save;
1695	$self->destroy;	2301	$self->destroy;
1696	}	2302	}
1697		2303
1698	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1699		2305
1700	sub nuke {	2306	sub nuke {
1701	my ($self) = @_;	2307	my ($self) = @_;
1702		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1703	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
1704		2313
1705	$self->unlink_save;	2314	$self->unlink_save;
1706		2315
1707	bless $self, "cf::map";	2316	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2321
1713	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
1714		2324
1715	$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	]
1716	}	2362	}
1717		2363
1718	=item cf::map::unique_maps	2364	=item cf::map::unique_maps
1719		2365
1720	Returns an arrayref of paths of all shared maps that have	2366	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2367	instantiated unique items. May block.
1722		2368
1723	=cut	2369	=cut
1724		2370
1725	sub unique_maps() {	2371	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2372	[
1727	or return;	2373	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2374	utf8::decode $_;
1733	next if /\.pst$/;	2375	/\.map$/
1734	next unless /^$PATH_SEP/o;	2376	? normalise $_
1735		2377	: ()
1736	push @paths, cf::map::normalise $_;	2378	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2379	]
1738
1739	\@paths
1740	}	2380	}
1741
1742	package cf;
1743		2381
1744	=back	2382	=back
1745		2383
1746	=head3 cf::object	2384	=head3 cf::object
1747		2385
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
1763	}	2401	}
1764		2402
1765	sub inv_recursive {	2403	sub inv_recursive {
1766	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	}
1767	}	2433	}
1768		2434
1769	package cf;	2435	package cf;
1770		2436
1771	=back	2437	=back
…		…
1790		2456
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2458
1793	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
1795	} 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 {
1796	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
1798	}	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 (@_);
1799	}	2484	}
1800		2485
1801	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
1802		2487
1803	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2535	$self->deactivate_recursive;
1851		2536
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2537	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2538
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2540	if $self->map && $self->map->{path} ne "{link}";
1856		2541
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2543	}
1859		2544
1860	sub cf::object::player::leave_link {	2545	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2546	my ($self, $map, $x, $y) = @_;
		2547
		2548	return unless $self->contr->active;
1862		2549
1863	my $link_pos = delete $self->{_link_pos};	2550	my $link_pos = delete $self->{_link_pos};
1864		2551
1865	unless ($map) {	2552	unless ($map) {
1866	# restore original map position	2553	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
1883		2570
1884	$map->load;	2571	$map->load;
1885	$map->load_diag;	2572	$map->load_neighbours;
1886		2573
1887	return unless $self->contr->active;	2574	return unless $self->contr->active;
1888	$self->activate_recursive;	2575	$self->activate_recursive;
1889		2576
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
1892	}	2579	}
1893		2580
1894	cf::player->attach (	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2582
1898	# abort map switching before logout	2583	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2584	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2585	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2586	the new (success) or old (failed) map position. In either case, $done will
1902	};	2587	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2588
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2589	=cut
		2590
		2591	our $GOTOGEN;
1929		2592
1930	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
1931	my ($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;
1932		2598
1933	$self->enter_link;	2599	$self->enter_link;
1934		2600
1935	(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
1936	my $map = eval {	2623	my $map = eval {
1937	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
		2625
		2626	if ($map) {
1938	$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
1939	$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 $@;
1940	} or	2639	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2640
		2641	if ($gen == $self->{_goto_generation}) {
		2642	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
		2644	}
		2645
		2646	$done->() if $done;
1944	})->prio (1);	2647	})->prio (1);
1945	}	2648	}
1946		2649
1947	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
1948		2651
…		…
1985	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
1986	}	2689	}
1987		2690
1988	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
1989		2692
1990	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
1993		2696
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2699	undef $fh;
1997	aio_rename "$meta~", $meta;	2700	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2720	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2721	my $sp = $exit->stats->sp;
2019		2722
2020	$self->enter_link;	2723	$self->enter_link;
2021		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
2022	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
2023	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2733	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
2026		2735
2027	1;	2736	1;
…		…
2053		2762
2054	utf8::encode $text;	2763	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2765	}
2057		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
2058	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2059		2892
2060	Sends an exti event to the client.	2893	Sends an ext event to the client.
2061		2894
2062	=cut	2895	=cut
2063		2896
2064	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2066		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2069	}	2924	}
2070		2925
2071	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2072		2927
2073	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
2074	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>,
2075	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>.
2076		2931
2077	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
2078	reliable at some point in the future.	2933	become reliable at some point in the future.
2079		2934
2080	=cut	2935	=cut
2081		2936
2082	sub cf::client::query {	2937	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2946	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2948
2094	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2096	}	2953	}
2097		2954
2098	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	},
2099	on_reply => sub {	2961	on_reply => sub {
2100	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2101		2963
2102	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2103	# get handled first	2965	# get handled first
…		…
2115	} else {	2977	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2979	}
2118	}	2980	}
2119	},	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	},
2120	);	3008	);
2121		3009
2122	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2123		3011
2124	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2167		3055
2168	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2169		3057
2170	$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	));
2171		3063
2172	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2173		3065
2174	=pod	3066	=pod
2175		3067
2176	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2177		3069
2178	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
2179	cf::object::player player	3074	cf::object::player
2180	cf::player peaceful	3075	player
2181	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2182		3082
2183	=cut	3083	=cut
2184		3084
2185	for (	3085	for (
2186	["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)],
2187	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2190	) {	3092	) {
2191	no strict 'refs';	3093	no strict 'refs';
…		…
2262	=back	3164	=back
2263		3165
2264	=cut	3166	=cut
2265		3167
2266	#############################################################################	3168	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3169	# the server's init and main functions
2437		3170
2438	sub load_facedata($) {	3171	sub load_facedata($) {
2439	my ($path) = @_;	3172	my ($path) = @_;
		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;
2440		3179
2441	warn "loading facedata from $path\n";	3180	warn "loading facedata from $path\n";
2442		3181
2443	my $facedata;	3182	my $facedata;
2444	0 < aio_load $path, $facedata	3183	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3186	$facedata = Coro::Storable::thaw $facedata;
2448		3187
2449	$facedata->{version} == 2	3188	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		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
2452	{	3198	{
2453	my $faces = $facedata->{faceinfo};	3199	my $faces = $facedata->{faceinfo};
2454		3200
2455	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3203
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3204	cf::face::set_visibility $idx, $info->{visibility};
		3205	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3208
		3209	cf::cede_to_tick;
2461	}	3210	}
2462		3211
2463	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3213	next unless $info->{smooth};
		3214
2465	my $idx = cf::face::find $face	3215	my $idx = cf::face::find $face
2466	or next;	3216	or next;
		3217
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3221	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3223	}
2472	Coro::cede;	3224
		3225	cf::cede_to_tick;
2473	}	3226	}
2474	}	3227	}
2475		3228
2476	{	3229	{
2477	my $anims = $facedata->{animinfo};	3230	my $anims = $facedata->{animinfo};
2478		3231
2479	while (my ($anim, $info) = each %$anims) {	3232	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3234	cf::cede_to_tick;
2482	}	3235	}
2483		3236
2484	cf::anim::invalidate_all; # d'oh	3237	cf::anim::invalidate_all; # d'oh
2485	}	3238	}
2486		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);
		3274
2487	1	3275	1
2488	}	3276	}
2489		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 $_->{match};
		3317	}
		3318	}
		3319
2490	sub reload_facedata {	3320	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3321	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
2493	}	3323	}
2494		3324
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3325	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3326	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3327	or die "unable to load archetypes\n";
		3328	#d# NEED to laod twice to resolve forward references
		3329	# this really needs to be done in an extra post-pass
		3330	# (which needs to be synchronous, so solve it differently)
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
2503	}	3333	}
2504		3334
2505	sub reload_treasures {	3335	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3336	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3337	or die "unable to load treasurelists\n";
2508	}	3338	}
2509		3339
2510	sub reload_resources {	3340	sub reload_resources {
2511	warn "reloading resource files...\n";	3341	warn "reloading resource files...\n";
2512		3342
2513	reload_regions;	3343	reload_regions;
2514	reload_facedata;	3344	reload_facedata;
		3345	#reload_archetypes;#d#
2515	reload_archetypes;	3346	reload_archetypes;
2516	reload_treasures;	3347	reload_treasures;
2517		3348
2518	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2519	}	3350	}
2520		3351
2521	sub init {	3352	sub init {
2522	reload_resources;	3353	reload_resources;
2523	}	3354	}
2524		3355
2525	sub cfg_load {	3356	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3358	or return;
2528		3359
2529	local $/;	3360	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2531		3362
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3364
2534	$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};
2535	$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};
…		…
2546	sub main {	3377	sub main {
2547	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2549	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#
2550	(async {	3381	(async {
2551	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2553	};	3385	};
2554		3386
2555	cfg_load;	3387	reload_config;
2556	db_init;	3388	db_init;
2557	load_extensions;	3389	load_extensions;
2558		3390
2559	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2560	Event::loop;	3393	EV::loop;
2561	}	3394	}
2562		3395
2563	#############################################################################	3396	#############################################################################
2564	# initialisation and cleanup	3397	# initialisation and cleanup
2565		3398
2566	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2567	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2576	},
2577	);	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
2578	}	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 };
2579	}	3488	}
2580		3489
2581	sub emergency_save() {	3490	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2583		3492
…		…
2589	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2591	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3504	$pl->save;
2595	}	3505	}
2596	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2597		3507
2598	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2604	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
2605		3515
2606	warn "begin emergency database checkpoint\n";	3516	warn "begin emergency database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3517	BDB::db_env_txn_checkpoint $DB_ENV;
2608	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";
2609	};	3523	};
2610		3524
2611	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2612	}	3526	}
2613		3527
…		…
2637	warn "syncing database to disk";	3551	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3552	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3553
2640	# 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
2641		3555
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
2648	for (;;) {	3557	for (;;) {
2649	BDB::flush;	3558	BDB::flush;
2650	IO::AIO::flush;	3559	IO::AIO::flush;
2651	Coro::cede;	3560	Coro::cede_notself;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3561	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";	3562	warn "iterate...";
2654	}	3563	}
2655		3564
2656	++$RELOAD;	3565	++$RELOAD;
…		…
2660	%EXT_CORO = ();	3569	%EXT_CORO = ();
2661		3570
2662	warn "removing commands";	3571	warn "removing commands";
2663	%COMMAND = ();	3572	%COMMAND = ();
2664		3573
2665	warn "removing ext commands";	3574	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3575	%EXTCMD = ();
		3576	%EXTICMD = ();
2667		3577
2668	warn "unloading/nuking all extensions";	3578	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3579	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3580	warn "... unloading $pkg";
2671		3581
…		…
2714	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
2715	require cf;	3625	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2717		3627
2718	warn "loading config and database again";	3628	warn "loading config and database again";
2719	cf::cfg_load;	3629	cf::reload_config;
2720		3630
2721	warn "loading extensions";	3631	warn "loading extensions";
2722	cf::load_extensions;	3632	cf::load_extensions;
2723		3633
2724	warn "reattaching attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
…		…
2731	warn "leaving sync_job";	3641	warn "leaving sync_job";
2732		3642
2733	1	3643	1
2734	} or do {	3644	} or do {
2735	warn $@;	3645	warn $@;
2736	warn "error while reloading, exiting.";	3646	cf::cleanup "error while reloading, exiting.";
2737	exit 1;
2738	};	3647	};
2739		3648
2740	warn "reloaded";	3649	warn "reloaded";
2741	};	3650	};
2742		3651
…		…
2744		3653
2745	sub reload_perl() {	3654	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	3655	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	3656	# coro crashes during coro_state_free->destroy here.
2748		3657
2749	$RELOAD_WATCHER ||= Event->timer (	3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2750	reentrant => 0,
2751	after => 0,
2752	data => WF_AUTOCANCEL,
2753	cb => sub {
2754	do_reload_perl;	3659	do_reload_perl;
2755	undef $RELOAD_WATCHER;	3660	undef $RELOAD_WATCHER;
2756	},
2757	);	3661	};
2758	}	3662	}
2759		3663
2760	register_command "reload" => sub {	3664	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
2762		3666
2763	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	3668	$who->message ("reloading server.");
		3669	async {
		3670	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	3671	reload_perl;
		3672	};
2766	}	3673	}
2767	};	3674	};
2768		3675
2769	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
2770		3677
…		…
2772		3679
2773	our @WAIT_FOR_TICK;	3680	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;	3681	our @WAIT_FOR_TICK_BEGIN;
2775		3682
2776	sub wait_for_tick {	3683	sub wait_for_tick {
2777	return unless $TICK_WATCHER->is_active;	3684	return if tick_inhibit;
2778	return if $Coro::current == $Coro::main;	3685	return if $Coro::current == $Coro::main;
2779		3686
2780	my $signal = new Coro::Signal;	3687	my $signal = new Coro::Signal;
2781	push @WAIT_FOR_TICK, $signal;	3688	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;	3689	$signal->wait;
2783	}	3690	}
2784		3691
2785	sub wait_for_tick_begin {	3692	sub wait_for_tick_begin {
2786	return unless $TICK_WATCHER->is_active;	3693	return if tick_inhibit;
2787	return if $Coro::current == $Coro::main;	3694	return if $Coro::current == $Coro::main;
2788		3695
2789	my $signal = new Coro::Signal;	3696	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	3697	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	3698	$signal->wait;
2792	}	3699	}
2793		3700
2794	$TICK_WATCHER = Event->timer (	3701	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
2802	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"
2803	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
2804	return;	3705	return;
2805	}	3706	}
2806		3707
2807	$NOW = Event::time;
2808
2809	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
2810		3709
2811	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;
2813
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	3712	Coro::async_pool {
		3713	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	3714	write_runtime
2818	or warn "ERROR: unable to write runtime file: $!";	3715	or warn "ERROR: unable to write runtime file: $!";
2819	};
2820	}	3716	};
		3717	}
2821		3718
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	3720	$sig->send;
2833	}	3721	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {	3722	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;	3723	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	3724	}
2840	);	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	}
2841		3737
2842	{	3738	{
2843	BDB::max_poll_time $TICK * 0.1;	3739	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	3740
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	3741	BDB::min_parallel 8;
2853		3742	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	3743	$Coro::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		3744
2869	unless ($DB_ENV) {	3745	unless ($DB_ENV) {
2870	$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);
2871		3751
2872	cf::sync_job {	3752	cf::sync_job {
2873	eval {	3753	eval {
2874	BDB::db_env_open	3754	BDB::db_env_open
2875	$DB_ENV,	3755	$DB_ENV,
2876	$BDB_ENV_DIR,	3756	$BDBDIR,
2877	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
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	3759	0666;
2880		3760
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3761	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	3762	};
2886		3763
2887	cf::cleanup "db_env_open(db): $@" if $@;	3764	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	3765	};
2889	}	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	};
2890	}	3777	}
2891		3778
2892	{	3779	{
		3780	# configure IO::AIO
		3781
2893	IO::AIO::min_parallel 8;	3782	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	3783	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	3784	$Coro::AIO::WATCHER->priority (1);
2898	reentrant => 0,	3785	}
2899	data => WF_AUTOCANCEL,	3786
2900	fd => IO::AIO::poll_fileno,	3787	my $_log_backtrace;
2901	poll => 'r',	3788
2902	prio => 6,	3789	sub _log_backtrace {
2903	cb => \&IO::AIO::poll_cb,	3790	my ($msg, @addr) = @_;
2904	);	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	}
2905	}	3825	}
2906		3826
2907	# load additional modules	3827	# load additional modules
2908	use cf::pod;	3828	use cf::pod;
2909		3829

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