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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.414 by root, Thu Apr 10 09:10:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
21	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
22		47
		48	use JSON::XS 2.01 ();
23	use BDB ();	49	use BDB ();
24	use Data::Dumper;	50	use Data::Dumper;
25	use Digest::MD5;	51	use Digest::MD5;
26	use Fcntl;	52	use Fcntl;
27	use YAML::Syck ();	53	use YAML ();
28	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
29	use Time::HiRes;	55	use Time::HiRes;
30	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
31		58
32	# configure various modules to our taste	59	# configure various modules to our taste
33	#	60	#
34	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
35	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
36	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
37		64
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$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
44		66
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		68
47	our %COMMAND = ();	69	our %COMMAND = ();
48	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
49		71
50	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
54		77
55	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
56	our @EVENT;	79	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		80
59	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
61	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	97	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		99
67	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	104	our $DB_ENV;
69		105
70	our %CFG;	106	our %CFG;
71		107
72	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
74		111
75	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		115
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $TICK_START; # for load detecting purposes
		123
87	binmode STDOUT;	124	binmode STDOUT;
88	binmode STDERR;	125	binmode STDERR;
89		126
90	# read virtual server time, if available	127	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
95	}	132	}
96		133
97	mkdir cf::localdir;	134	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		136
104	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
105		138
106	sub cf::map::normalise;	139	sub cf::map::normalise;
107		140
…		…
118	=item $cf::RUNTIME	151	=item $cf::RUNTIME
119		152
120	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
121	every server tick.	154	every server tick.
122		155
123	=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
124		159
125	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		164
128	=item $cf::NOW	165	=item $cf::NOW
129		166
130	The time of the last (current) server tick.	167	The time of the last (current) server tick.
131		168
132	=item $cf::TICK	169	=item $cf::TICK
133		170
134	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	183	=item %cf::CFG
137		184
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	186	from wherever your confdir points to.
140		187
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		189
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
147		199
148	=back	200	=back
149		201
150	=cut	202	=cut
151		203
152	BEGIN {	204	BEGIN {
153	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	206	my $msg = join "", @_;
155	utf8::encode $msg;
156		207
157	$msg .= "\n"	208	$msg .= "\n"
158	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
159		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
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 $value = cf::db_get $family => $key
375	and return;
376		555
		556	Returns a single value from the environment database.
		557
		558	=item cf::db_put $family => $key => $value
		559
		560	Stores the given C<$value> in the family. It can currently store binary
		561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
377	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
378	}	679	}
379		680
380	=item cf::datalog type => key => value, ...	681	=item cf::datalog type => key => value, ...
381		682
382	Log a datalog packet of the given type with the given key-value pairs.	683	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")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
402		703
403	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	706	Deliantra).
406		707
407	=over 4	708	=over 4
408		709
409	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
410		711
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
574		875
575	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		880
580	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	882	my $pkg = shift @arg;
582		883
583	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
613	}	914	}
614		915
615	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
616	} else {	917	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	919	}
619		920
620	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
621	}	922	}
622		923
…		…
624	if (ref $_[0]) {	925	if (ref $_[0]) {
625	_object_attach @_;	926	_object_attach @_;
626	} else {	927	} else {
627	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
628	}	929	}
		930	_recalc_want;
629	};	931	};
630		932
631	# all those should be optimised	933	# all those should be optimised
632	sub cf::attachable::detach {	934	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
637	reattach ($obj);	939	reattach ($obj);
638	} else {	940	} else {
639	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
640	}	942	}
		943	_recalc_want;
641	};	944	};
642		945
643	sub cf::attachable::attached {	946	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
645		948
…		…
660	";	963	";
661	die if $@;	964	die if $@;
662	}	965	}
663		966
664	our $override;	967	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		969
667	sub override {	970	sub override {
668	$override = 1;	971	$override = 1;
669	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
670	}	973	}
671		974
672	sub do_invoke {	975	sub do_invoke {
673	my $event = shift;	976	my $event = shift;
674	my $callbacks = shift;	977	my $callbacks = shift;
675		978
676	@invoke_results = ();	979	@INVOKE_RESULTS = ();
677		980
678	local $override;	981	local $override;
679		982
680	for (@$callbacks) {	983	for (@$callbacks) {
681	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
690	}	993	}
691		994
692	0	995	0
693	}	996	}
694		997
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		999
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1001
699	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
700		1003
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1005	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1007
705	=back	1008	=back
706		1009
707	=cut	1010	=cut
708		1011
709	#############################################################################	1012	#############################################################################
710	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
711		1056
712	sub reattach {	1057	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1059	my ($obj) = @_;
715		1060
…		…
736	cf::attachable->attach (	1081	cf::attachable->attach (
737	prio => -1000000,	1082	prio => -1000000,
738	on_instantiate => sub {	1083	on_instantiate => sub {
739	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
740		1085
741	$data = from_json $data;	1086	$data = decode_json $data;
742		1087
743	for (@$data) {	1088	for (@$data) {
744	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
745		1090
746	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1107	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
764		1109
765	sync_job {	1110	sync_job {
766	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
769		1115
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1120	close $fh;
775		1121
776	if (@$objs) {	1122	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1128	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
784	}	1130	}
…		…
792	}	1138	}
793	} else {	1139	} else {
794	aio_unlink $filename;	1140	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
796	}	1142	}
797	}	1143	};
798	}	1144	}
799		1145
800	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
802		1148
…		…
814	or return;	1160	or return;
815		1161
816	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
818	or return;	1164	or return;
		1165
819	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
820	}	1168	}
821		1169
		1170	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
824	return ($data, $av);	1174	($data, $av)
825	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
826		1182
827	#############################################################################	1183	#############################################################################
828	# command handling &c	1184	# command handling &c
829		1185
830	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1200	}
845		1201
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1203
848	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
849		1209
850	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
851	called.	1211	called.
852		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
853	=cut	1224	=cut
854		1225
855	sub register_extcmd {	1226	sub register_extcmd {
856	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
857		1228
858	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
859	}	1236	}
860		1237
861	cf::player->attach (	1238	cf::player->attach (
862	on_command => sub {	1239	on_command => sub {
863	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1249	cf::override;
873	},	1250	},
874	on_extcmd => sub {	1251	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
876		1253
877	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1255
879	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
885	} else {	1271	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1273	}
888		1274
889	cf::override;	1275	cf::override;
890	},	1276	},
891	);	1277	);
892		1278
893	sub load_extension {
894	my ($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 {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
928	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1284	next unless -r $path;
930	eval {	1285
931	load_extension $ext;	1286	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1287	my $base = $1;
		1288	my $pkg = $1;
		1289	$pkg =~ s/[^[:word:]]/_/g;
		1290	$pkg = "ext::$pkg";
		1291
		1292	open my $fh, "<:utf8", $path
		1293	or die "$path: $!";
		1294
		1295	my $source = do { local $/; <$fh> };
		1296
		1297	my %ext = (
		1298	path => $path,
		1299	base => $base,
		1300	pkg => $pkg,
		1301	);
		1302
		1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1305
		1306	$ext{source} =
		1307	"package $pkg; use strict; use utf8;\n"
		1308	. "#line 1 \"$path\"\n{\n"
		1309	. $source
		1310	. "\n};\n1";
		1311
		1312	$todo{$base} = \%ext;
		1313	}
		1314
		1315	my %done;
		1316	while (%todo) {
		1317	my $progress;
		1318
		1319	while (my ($k, $v) = each %todo) {
		1320	for (split /,\s*/, $v->{meta}{depends}) {
		1321	goto skip
		1322	unless exists $done{$_};
		1323	}
		1324
		1325	warn "... loading '$k' into '$v->{pkg}'\n";
		1326
		1327	unless (eval $v->{source}) {
		1328	my $msg = $@ ? "$v->{path}: $@\n"
		1329	: "$v->{base}: extension inactive.\n";
		1330
		1331	if (exists $v->{meta}{mandatory}) {
		1332	warn $msg;
		1333	cf::cleanup "mandatory extension failed to load, exiting.";
		1334	}
		1335
		1336	warn $msg;
		1337	}
		1338
		1339	$done{$k} = delete $todo{$k};
		1340	push @EXTS, $v->{pkg};
		1341	$progress = 1;
932	1	1342	}
933	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
934	}	1348	};
935	}	1349	}
936		1350
937	#############################################################################	1351	#############################################################################
938		1352
		1353	=back
		1354
939	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
940		1356
941	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
942		1358
943	=cut	1359	=cut
…		…
948		1364
949	=head3 cf::player	1365	=head3 cf::player
950		1366
951	=over 4	1367	=over 4
952		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
		1382
953	=item cf::player::find $login	1383	=item cf::player::find $login
954		1384
955	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
956		1386
957	=cut	1387	=cut
958		1388
959	sub playerdir($) {	1389	sub playerdir($) {
960	cf::localdir	1390	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1391	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1392	}
966		1393
967	sub path($) {	1394	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1395	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
999		1426
1000	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1003	}	1435	}
1004	}	1436	}
1005	}	1437	}
1006		1438
…		…
1016		1448
1017	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1019		1451
1020	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1021	Coro::cede;	1453	cf::cede_to_tick;
1022	}	1454	}
1023		1455
1024	sub new($) {	1456	sub new($) {
1025	my ($login) = @_;	1457	my ($login) = @_;
1026		1458
…		…
1030	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1031		1463
1032	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1033		1465
1034	$self	1466	$self
		1467	}
		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
1035	}	1477	}
1036		1478
1037	=item $pl->quit_character	1479	=item $pl->quit_character
1038		1480
1039	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1530	while and may block, so not sync_job-capable, ever.
1089		1531
1090	=cut	1532	=cut
1091		1533
1092	sub list_logins {	1534	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1535	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1536	or return [];
1095		1537
1096	my @logins;	1538	my @logins;
1097		1539
1098	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1102		1549
1103	utf8::decode $login;	1550	utf8::decode $login;
1104	push @logins, $login;	1551	push @logins, $login;
1105	}	1552	}
1106		1553
…		…
1133	}	1580	}
1134		1581
1135	\@paths	1582	\@paths
1136	}	1583	}
1137		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1138	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1139		1679
1140	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1141		1681
1142	=cut	1682	=cut
1143		1683
1144	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1146		1686
1147	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1688	}
1151		1689
1152	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1153		1691
1154	Sends an ext event to the client.	1692	Sends an ext event to the client.
1155		1693
1156	=cut	1694	=cut
1157		1695
1158	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1160		1698
1161	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1162	}	1700	}
1163		1701
1164	=head3 cf::region	1702	=head3 cf::region
1165		1703
1166	=over 4	1704	=over 4
…		…
1169		1707
1170	package cf::region;	1708	package cf::region;
1171		1709
1172	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1173		1711
1174	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1175		1713
1176	=cut	1714	=cut
1177		1715
1178	sub find_by_path($) {	1716	sub find_by_path($) {
1179	my ($path) = @_;	1717	my ($path) = @_;
1180		1718
1181	my ($match, $specificity);	1719	my ($match, $specificity);
1182		1720
1183	for my $region (list) {	1721	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1187	}	1725	}
1188	}	1726	}
1189		1727
…		…
1253	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1254		1792
1255	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1256	local $self->{path};	1794	local $self->{path};
1257	local $self->{load_path};	1795	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1796
1261	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1262	}	1798	}
1263		1799
1264	sub normalise {	1800	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1312	return $self;	1848	return $self;
1313	}	1849	}
1314	}	1850	}
1315		1851
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1853	()
1318	}	1854	}
1319		1855
1320	sub init {	1856	sub init {
1321	my ($self) = @_;	1857	my ($self) = @_;
…		…
1336		1872
1337	# the original (read-only) location	1873	# the original (read-only) location
1338	sub load_path {	1874	sub load_path {
1339	my ($self) = @_;	1875	my ($self) = @_;
1340		1876
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1877	"$MAPDIR/$self->{path}.map"
1342	}	1878	}
1343		1879
1344	# the temporary/swap location	1880	# the temporary/swap location
1345	sub save_path {	1881	sub save_path {
1346	my ($self) = @_;	1882	my ($self) = @_;
1347		1883
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1885	"$TMPDIR/$path.map"
1350	}	1886	}
1351		1887
1352	# the unique path, undef == no special unique path	1888	# the unique path, undef == no special unique path
1353	sub uniq_path {	1889	sub uniq_path {
1354	my ($self) = @_;	1890	my ($self) = @_;
1355		1891
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1893	"$UNIQUEDIR/$path"
1358	}	1894	}
1359		1895
1360	# and all this just because we cannot iterate over	1896	# and all this just because we cannot iterate over
1361	# all maps in C++...	1897	# all maps in C++...
1362	sub change_all_map_light {	1898	sub change_all_map_light {
…		…
1364		1900
1365	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1367	}	1903	}
1368		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1369	sub unlink_save {	1913	sub unlink_save {
1370	my ($self) = @_;	1914	my ($self) = @_;
1371		1915
1372	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1920
1377	sub load_header_from($) {	1921	sub load_header_from($) {
1378	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1379		1923
1380	utf8::encode $path;	1924	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1386		1933
1387	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1388		1935
1389	1	1936	1
1390	}	1937	}
…		…
1429	$self->load_header_orig	1976	$self->load_header_orig
1430	or return;	1977	or return;
1431	$self->prepare_orig;	1978	$self->prepare_orig;
1432	}	1979	}
1433		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
1434	$self->default_region (cf::region::find_by_path $self->{path})	1984	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1985	unless $self->default_region;
1436		1986
1437	1	1987	1
1438	}	1988	}
…		…
1441	sub find {	1991	sub find {
1442	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1443		1993
1444	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1445		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1447		1998
1448	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1450	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1451	or return;	2004	or return;
1452		2005
1453	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1454		2007
1455	$map->load_header	2008	$map->load_header
1456	or return;	2009	or return;
1457		2010
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1461	$map->reset;	2016	$map->reset;
1462	undef $guard;
1463	return find $path;	2017	return find $path;
1464	}	2018	}
1465		2019
1466	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1467	}	2021	}
…		…
1474	my ($self) = @_;	2028	my ($self) = @_;
1475		2029
1476	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1477		2031
1478	my $path = $self->{path};	2032	my $path = $self->{path};
		2033
		2034	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1480		2036
		2037	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2039
1483	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1484		2041
1485	$self->alloc;	2042	$self->alloc;
1486		2043
1487	$self->pre_load;	2044	$self->pre_load;
		2045	cf::cede_to_tick;
1488		2046
1489	$self->_load_objects ($self->{load_path}, 1)	2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
		2049	$self->_load_objects ($f)
1490	or return;	2050	or return;
1491		2051
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493	if delete $self->{load_original};	2053	if delete $self->{load_original};
1494		2054
1495	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2056	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2059	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1500	}	2063	}
1501	}	2064	}
1502		2065
1503	Coro::cede;	2066	$f->resolve_delayed_derefs;
1504		2067
		2068	cf::cede_to_tick;
1505	# now do the right thing for maps	2069	# now do the right thing for maps
1506	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2072	unless $self->difficulty;
1516	Coro::cede;	2073	cf::cede_to_tick;
		2074
		2075	unless ($self->{deny_activate}) {
		2076	$self->decay_objects;
		2077	$self->fix_auto_apply;
		2078	$self->update_buttons;
		2079	cf::cede_to_tick;
		2080	$self->set_darkness_map;
		2081	cf::cede_to_tick;
1517	$self->activate;	2082	$self->activate;
		2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
		2087
		2088	$self->in_memory (cf::MAP_IN_MEMORY);
1518	}	2089	}
1519		2090
1520	$self->post_load;	2091	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	2092	}
1524		2093
1525	sub customise_for {	2094	sub customise_for {
1526	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1527		2096
1528	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2098	if $self->per_player;
1530		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1531	$self	2103	$self
1532	}	2104	}
1533		2105
1534	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {	2107	sub load_neighbours {
1536	my ($map) = @_;	2108	my ($map) = @_;
1537		2109
1538	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1539		2111
1540	for (0 .. 3) {	2112	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1542	or next;	2114	or next;
1543	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1544	or next;	2116	or next;
1545	$neigh->load;	2117	$neigh->load;
1546		2118
		2119	push @neigh,
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}	2122	}
1550		2123
1551	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1552	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1553	or next;	2127	or next;
1554	$neigh->load;	2128	$neigh->load;
1555	}	2129	}
1556	}	2130	}
1557		2131
…		…
1562	}	2136	}
1563		2137
1564	sub do_load_sync {	2138	sub do_load_sync {
1565	my ($map) = @_;	2139	my ($map) = @_;
1566		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1567	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1568	}	2145	}
1569		2146
1570	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1572		2149
1573	sub find_async {	2150	sub find_async {
1574	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1575		2152
1576	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1577		2154
1578	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1580	}	2157	}
1581		2158
1582	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1583	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1584	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2166	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2167	$map->load if $v;
		2168	}
1589		2169
1590	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1591	}	2171	}
1592	}	2172	}
1593	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1594	};	2174	};
1595	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1598	}	2178	}
1599		2179
1600	sub save {	2180	sub save {
1601	my ($self) = @_;	2181	my ($self) = @_;
1602		2182
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1604		2184
1605	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1606		2186
1607	return unless $self->dirty;	2187	return unless $self->dirty;
1608		2188
…		…
1614	return if $self->{deny_save};	2194	return if $self->{deny_save};
1615		2195
1616	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1617		2197
1618	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1620	};	2201	};
1621		2202
1622	if ($uniq) {	2203	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1631	my ($self) = @_;	2212	my ($self) = @_;
1632		2213
1633	# save first because save cedes	2214	# save first because save cedes
1634	$self->save;	2215	$self->save;
1635		2216
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2218
1638	return if $self->players;	2219	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1640	return if $self->{deny_save};	2221	return if $self->{deny_save};
1641		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1642	$self->clear;	2227	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2228	}
1645		2229
1646	sub reset_at {	2230	sub reset_at {
1647	my ($self) = @_;	2231	my ($self) = @_;
1648		2232
1649	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1652		2235
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2238
…		…
1666	my ($self) = @_;	2249	my ($self) = @_;
1667		2250
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2252
1670	return if $self->players;	2253	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2254
1673	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1674		2256
1675	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1676		2258
1677	# need to save uniques path	2259	# need to save uniques path
1678	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1682	if $uniq;	2264	if $uniq;
1683	}	2265	}
1684		2266
1685	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1686		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2271	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2272
1691	$self->unlink_save;	2273	$self->unlink_save;
1692	$self->destroy;	2274	$self->destroy;
1693	}	2275	}
1694		2276
1695	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1696		2278
1697	sub nuke {	2279	sub nuke {
1698	my ($self) = @_;	2280	my ($self) = @_;
1699		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1700	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1701		2286
1702	$self->unlink_save;	2287	$self->unlink_save;
1703		2288
1704	bless $self, "cf::map";	2289	bless $self, "cf::map";
1705	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2294
1710	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1711		2297
1712	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
		2299	}
		2300
		2301	=item $maps = cf::map::tmp_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	maps. May block.
		2305
		2306	=cut
		2307
		2308	sub tmp_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise $_
		2314	: ()
		2315	} @{ aio_readdir $TMPDIR or [] }
		2316	]
		2317	}
		2318
		2319	=item $maps = cf::map::random_maps
		2320
		2321	Returns an arrayref with all map paths of currently instantiated and saved
		2322	random maps. May block.
		2323
		2324	=cut
		2325
		2326	sub random_maps() {
		2327	[
		2328	map {
		2329	utf8::decode $_;
		2330	/\.map$/
		2331	? normalise "?random/$_"
		2332	: ()
		2333	} @{ aio_readdir $RANDOMDIR or [] }
		2334	]
1713	}	2335	}
1714		2336
1715	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1716		2338
1717	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2340	instantiated unique items. May block.
1719		2341
1720	=cut	2342	=cut
1721		2343
1722	sub unique_maps() {	2344	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2345	[
1724	or return;	2346	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2347	utf8::decode $_;
1730	next if /\.pst$/;	2348	/\.map$/
1731	next unless /^$PATH_SEP/o;	2349	? normalise $_
1732		2350	: ()
1733	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2352	]
1735
1736	\@paths
1737	}	2353	}
1738		2354
1739	package cf;	2355	package cf;
1740		2356
1741	=back	2357	=back
…		…
1759	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1760	}	2376	}
1761		2377
1762	sub inv_recursive {	2378	sub inv_recursive {
1763	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
		2380	}
		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
1764	}	2408	}
1765		2409
1766	package cf;	2410	package cf;
1767		2411
1768	=back	2412	=back
…		…
1787		2431
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2433
1790	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1792	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1793	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1795	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1796	}	2459	}
1797		2460
1798	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1799		2462
1800	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1847	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1848		2511
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2513
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1853		2516
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1855	}	2518	}
1856		2519
1857	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1859		2524
1860	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1861		2526
1862	unless ($map) {	2527	unless ($map) {
1863	# restore original map position	2528	# restore original map position
…		…
1877	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1880		2545
1881	$map->load;	2546	$map->load;
1882	$map->load_diag;	2547	$map->load_neighbours;
1883		2548
1884	return unless $self->contr->active;	2549	return unless $self->contr->active;
1885	$self->activate_recursive;	2550	$self->activate_recursive;
1886		2551
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1889	}	2554	}
1890		2555
1891	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1892	on_logout => sub {
1893	my ($pl) = @_;
1894		2557
1895	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1896	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1897	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1898	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1899	};	2562	be called at the end of this process.
1900	}
1901	},
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2563
1905	# try to abort aborted map switching on player login :)
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922
1923	=item $player_object->goto ($path, $x, $y)
1924
1925	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1926		2567
1927	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
		2570
		2571	# do generation counting so two concurrent goto's will be executed in-order
		2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		2573
1930	$self->enter_link;	2574	$self->enter_link;
1931		2575
1932	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
1933	my $map = eval {	2598	my $map = eval {
1934	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
		2603	$map = $check->($map) if $check && $map;
		2604	} else {
		2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
		2607
1936	$map	2608	$map
		2609	};
		2610
		2611	if ($@) {
		2612	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	LOG llevError | logBacktrace, Carp::longmess $@;
1937	} or	2614	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1941	})->prio (1);	2622	})->prio (1);
1942	}	2623	}
1943		2624
1944	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1945		2626
…		…
1982	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
1983	}	2664	}
1984		2665
1985	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
1986		2667
1987	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
1988	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
1990		2671
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2674	undef $fh;
1994	aio_rename "$meta~", $meta;	2675	aio_rename "$meta~", $meta;
…		…
2014	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
2016		2697
2017	$self->enter_link;	2698	$self->enter_link;
2018		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
2019	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2020	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2021	unless (eval {	2708	unless (eval {
2022	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2023		2710
2024	1;	2711	1;
…		…
2050		2737
2051	utf8::encode $text;	2738	utf8::encode $text;
2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2053	}	2740	}
2054		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
2055	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2056		2867
2057	Sends an exti event to the client.	2868	Sends an ext event to the client.
2058		2869
2059	=cut	2870	=cut
2060		2871
2061	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2063		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
2066	}	2899	}
2067		2900
2068	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2069		2902
2070	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2072	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2073		2906
2074	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
2075	reliable at some point in the future.	2908	become reliable at some point in the future.
2076		2909
2077	=cut	2910	=cut
2078		2911
2079	sub cf::client::query {	2912	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	2921	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		2923
2091	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2093	}	2928	}
2094		2929
2095	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
2096	on_reply => sub {	2936	on_reply => sub {
2097	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2098		2938
2099	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2100	# get handled first	2940	# get handled first
…		…
2112	} else {	2952	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	2954	}
2115	}	2955	}
2116	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
2117	);	2983	);
2118		2984
2119	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2120		2986
2121	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2162	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2164		3030
2165	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2166		3032
2167	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2168		3038
2169	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2170		3040
2171	=pod	3041	=pod
2172		3042
2173	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2174		3044
2175	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2176	cf::object::player player	3049	cf::object::player
2177	cf::player peaceful	3050	player
2178	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2179		3057
2180	=cut	3058	=cut
2181		3059
2182	for (	3060	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2184	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2186	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2187	) {	3067	) {
2188	no strict 'refs';	3068	no strict 'refs';
…		…
2259	=back	3139	=back
2260		3140
2261	=cut	3141	=cut
2262		3142
2263	#############################################################################	3143	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334
2335	#############################################################################
2336	# the server's init and main functions	3144	# the server's init and main functions
2337		3145
2338	sub load_facedata {	3146	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	3147	my ($path) = @_;
		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2340		3154
2341	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2342		3156
2343	my $facedata;	3157	my $facedata;
2344	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
…		…
2347	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2348		3162
2349	$facedata->{version} == 2	3163	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
2352	{	3173	{
2353	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2354		3175
2355	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2360	Coro::cede;	3183
		3184	cf::cede_to_tick;
2361	}	3185	}
2362		3186
2363	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2365	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2366	or next;	3191	or next;
		3192
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3196	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3198	}
2372	Coro::cede;	3199
		3200	cf::cede_to_tick;
2373	}	3201	}
2374	}	3202	}
2375		3203
2376	{	3204	{
2377	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2378		3206
2379	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3209	cf::cede_to_tick;
2382	}	3210	}
2383		3211
2384	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2385	}	3213	}
2386		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3249
2387	1	3250	1
2388	}	3251	}
2389		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
		3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
		3286	load_resource_file "$MAPDIR/regions"
		3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
		3293	}
		3294
		3295	sub reload_facedata {
		3296	load_facedata "$DATADIR/facedata"
		3297	or die "unable to load facedata\n";
		3298	}
		3299
		3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
		3308	}
		3309
		3310	sub reload_treasures {
		3311	load_resource_file "$DATADIR/treasures"
		3312	or die "unable to load treasurelists\n";
		3313	}
		3314
2390	sub reload_resources {	3315	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3316	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3317
		3318	reload_regions;
2393	load_facedata	3319	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3320	#reload_archetypes;#d#
		3321	reload_archetypes;
		3322	reload_treasures;
		3323
		3324	warn "finished reloading resource files\n";
2395	}	3325	}
2396		3326
2397	sub init {	3327	sub init {
2398	reload_resources;	3328	reload_resources;
2399	}	3329	}
2400		3330
2401	sub cfg_load {	3331	sub reload_config {
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	3333	or return;
2404		3334
2405	local $/;	3335	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2407		3337
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2409		3339
2410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2422	sub main {	3352	sub main {
2423	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426	(async {	3356	(async {
2427	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2429	};	3360	};
2430		3361
2431	cfg_load;	3362	reload_config;
2432	db_init;	3363	db_init;
2433	load_extensions;	3364	load_extensions;
2434		3365
2435	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2436	Event::loop;	3368	EV::loop;
2437	}	3369	}
2438		3370
2439	#############################################################################	3371	#############################################################################
2440	# initialisation and cleanup	3372	# initialisation and cleanup
2441		3373
2442	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2443	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2452	},
2453	);	3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
2454	}	3419	1
2455	}	3420	}
2456		3421
2457	sub emergency_save() {	3422	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2459		3424
…		…
2465	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2467	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3436	$pl->save;
2471	}	3437	}
2472	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2473		3439
2474	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2492		3458
2493	warn Carp::longmess "post_cleanup backtrace"	3459	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3460	if $make_core;
2495	}	3461	}
2496		3462
2497	sub reload() {	3463	sub do_reload_perl() {
2498	# can/must only be called in main	3464	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	3465	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	3466	warn "can only reload from main coroutine";
2501	return;	3467	return;
2502	}	3468	}
…		…
2513	warn "syncing database to disk";	3479	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2515		3481
2516	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2517		3483
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522
2523	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2524	for (;;) {	3485	for (;;) {
2525	BDB::flush;	3486	BDB::flush;
2526	IO::AIO::flush;	3487	IO::AIO::flush;
2527	Coro::cede;	3488	Coro::cede_notself;
2528	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";	3490	warn "iterate...";
2530	}	3491	}
2531		3492
2532	++$RELOAD;	3493	++$RELOAD;
…		…
2536	%EXT_CORO = ();	3497	%EXT_CORO = ();
2537		3498
2538	warn "removing commands";	3499	warn "removing commands";
2539	%COMMAND = ();	3500	%COMMAND = ();
2540		3501
2541	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2542	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2543		3505
2544	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2547		3509
…		…
2577	Symbol::delete_package "safe::$_"	3539	Symbol::delete_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		3541
2580	warn "unloading cf.pm \"a bit\"";	3542	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	3543	delete $INC{"cf.pm"};
		3544	delete $INC{"cf/pod.pm"};
2582		3545
2583	# don't, removes xs symbols, too,	3546	# don't, removes xs symbols, too,
2584	# and global variables created in xs	3547	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	3548	#Symbol::delete_package __PACKAGE__;
2586		3549
…		…
2589	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2590	require cf;	3553	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2592		3555
2593	warn "loading config and database again";	3556	warn "loading config and database again";
2594	cf::cfg_load;	3557	cf::reload_config;
2595		3558
2596	warn "loading extensions";	3559	warn "loading extensions";
2597	cf::load_extensions;	3560	cf::load_extensions;
2598		3561
2599	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2601	warn "reattaching attachments to maps";	3564	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	3565	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	3566	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	3567	reattach $_ for values %PLAYER;
2605		3568
2606	warn "loading reloadable resources";
2607	reload_resources;
2608
2609	warn "leaving sync_job";	3569	warn "leaving sync_job";
2610		3570
2611	1	3571	1
2612	} or do {	3572	} or do {
2613	warn $@;	3573	warn $@;
2614	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2615	exit 1;
2616	};	3575	};
2617		3576
2618	warn "reloaded";	3577	warn "reloaded";
2619	};	3578	};
2620		3579
2621	our $RELOAD_WATCHER; # used only during reload	3580	our $RELOAD_WATCHER; # used only during reload
2622		3581
		3582	sub reload_perl() {
		3583	# doing reload synchronously and two reloads happen back-to-back,
		3584	# coro crashes during coro_state_free->destroy here.
		3585
		3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3587	do_reload_perl;
		3588	undef $RELOAD_WATCHER;
		3589	};
		3590	}
		3591
2623	register_command "reload" => sub {	3592	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2625		3594
2626	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
2628		3597	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	3598	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	3599	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	3600	};
2641	}	3601	}
2642	};	3602	};
2643		3603
2644	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2645		3605
2646	my $bug_warning = 0;	3606	my $bug_warning = 0;
2647		3607
2648	$TICK_WATCHER = Event->timer (	3608	our @WAIT_FOR_TICK;
2649	reentrant => 0,	3609	our @WAIT_FOR_TICK_BEGIN;
2650	parked => 1,	3610
2651	prio => 0,	3611	sub wait_for_tick {
2652	at => $NEXT_TICK || $TICK,	3612	return if tick_inhibit;
2653	data => WF_AUTOCANCEL,	3613	return if $Coro::current == $Coro::main;
2654	cb => sub {	3614
		3615	my $signal = new Coro::Signal;
		3616	push @WAIT_FOR_TICK, $signal;
		3617	$signal->wait;
		3618	}
		3619
		3620	sub wait_for_tick_begin {
		3621	return if tick_inhibit;
		3622	return if $Coro::current == $Coro::main;
		3623
		3624	my $signal = new Coro::Signal;
		3625	push @WAIT_FOR_TICK_BEGIN, $signal;
		3626	$signal->wait;
		3627	}
		3628
		3629	sub tick {
2655	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2658	return;	3633	return;
2659	}	3634	}
2660		3635
2661	$NOW = Event::time;
2662
2663	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2664	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;
2666		3637
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	3642	write_runtime
2671	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2672	};
2673	}	3644	};
2674
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#
2680
2681	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2683
2684	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;
2686	},	3645	}
2687	);	3646
		3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3648	$sig->send;
		3649	}
		3650	while (my $sig = shift @WAIT_FOR_TICK) {
		3651	$sig->send;
		3652	}
		3653
		3654	$LOAD = ($NOW - $TICK_START) / $TICK;
		3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3656
		3657	if (0) {
		3658	if ($NEXT_TICK) {
		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
		3663	}
		3664	}
2688		3665
2689	{	3666	{
2690	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	3668
2692	reentrant => 0,
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
2700		3670	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		3672
2716	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2717	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2718		3679
2719	cf::sync_job {	3680	cf::sync_job {
2720	eval {	3681	eval {
2721	BDB::db_env_open	3682	BDB::db_env_open
2722	$DB_ENV,	3683	$DB_ENV,
2723	$BDB_ENV_DIR,	3684	$BDBDIR,
2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	3687	0666;
2727		3688
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	3690	};
2733		3691
2734	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	3693	};
2736	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
2737	}	3705	}
2738		3706
2739	{	3707	{
		3708	# configure IO::AIO
		3709
2740	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
2745	reentrant => 0,
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	3713	}
		3714
		3715	my $_log_backtrace;
		3716
		3717	sub _log_backtrace {
		3718	my ($msg, @addr) = @_;
		3719
		3720	$msg =~ s/\n//;
		3721
		3722	# limit the # of concurrent backtraces
		3723	if ($_log_backtrace < 2) {
		3724	++$_log_backtrace;
		3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
		3728	my @bt = fork_call {
		3729	@addr = map { sprintf "%x", $_ } @addr;
		3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3732	or die "addr2line: $!";
		3733
		3734	my @funcs;
		3735	my @res = <$fh>;
		3736	chomp for @res;
		3737	while (@res) {
		3738	my ($func, $line) = splice @res, 0, 2, ();
		3739	push @funcs, "[$func] $line";
		3740	}
		3741
		3742	@funcs
		3743	};
		3744
		3745	LOG llevInfo, "[ABT] $msg\n";
		3746	LOG llevInfo, "[ABT] $_\n" for @bt;
		3747	--$_log_backtrace;
		3748	};
		3749	} else {
		3750	LOG llevInfo, "[ABT] $msg\n";
		3751	LOG llevInfo, "[ABT] [suppressed]\n";
		3752	}
		3753	}
		3754
		3755	# load additional modules
		3756	use cf::pod;
2753		3757
2754	END { cf::emergency_save }	3758	END { cf::emergency_save }
2755		3759
2756	1	3760	1
2757		3761

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