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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.422 by root, Tue Apr 15 20:46:55 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
48	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
49	our @EVENT;	79	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		80
52	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	97	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		99
60	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	104	our $DB_ENV;
62		105
63	our %CFG;	106	our %CFG;
64		107
65	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
67		111
68	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		115
77	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
80	binmode STDOUT;	124	binmode STDOUT;
81	binmode STDERR;	125	binmode STDERR;
82		126
83	# read virtual server time, if available	127	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
88	}	132	}
89		133
90	mkdir cf::localdir;	134	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		136
97	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
98		138
99	sub cf::map::normalise;	139	sub cf::map::normalise;
100		140
…		…
111	=item $cf::RUNTIME	151	=item $cf::RUNTIME
112		152
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	154	every server tick.
115		155
116	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		159
118	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
120		164
121	=item $cf::NOW	165	=item $cf::NOW
122		166
123	The time of the last (current) server tick.	167	The time of the last (current) server tick.
124		168
125	=item $cf::TICK	169	=item $cf::TICK
126		170
127	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
128		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
129	=item %cf::CFG	183	=item %cf::CFG
130		184
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	186	from wherever your confdir points to.
133		187
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		189
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
140		199
141	=back	200	=back
142		201
143	=cut	202	=cut
144		203
145	BEGIN {	204	BEGIN {
146	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	206	my $msg = join "", @_;
148	utf8::encode $msg;
149		207
150	$msg .= "\n"	208	$msg .= "\n"
151	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
152		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
153	LOG llevError, $msg;	213	LOG llevError, $msg;
154	};	214	};
155	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
156		231
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		239
164	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	241	# within the Safe compartment.
166	for my $pkg (qw(	242	for my $pkg (qw(
167	cf::global cf::attachable	243	cf::global cf::attachable
…		…
172	)) {	248	)) {
173	no strict 'refs';	249	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	251	}
176		252
177	$Event::DIED = sub {	253	$EV::DIED = sub {
178	warn "error in event callback: @_";	254	warn "error in event callback: @_";
179	};	255	};
		256
		257	#############################################################################
180		258
181	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
182		260
183	=over 4	261	=over 4
184		262
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	282	$d
205	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
206	}	284	}
207		285
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
211		287
212	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
213		289
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
222		291
223	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
224		293
225	=cut	294	=cut
226		295
227	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
229	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
231		300
232	=item cf::lock_wait $string	301	=item cf::lock_wait $string
233		302
234	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
235		304
…		…
238	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
241	returned.	310	returned.
242		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
243	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
245		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
246	=cut	322	=cut
247		323
248	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
249		326
250	sub lock_wait($) {	327	sub lock_wait($) {
251	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
252		334
253	# wait for lock, if any	335	# wait for lock, if any
254	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	338	Coro::schedule;
…		…
262		344
263	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
264	lock_wait $key;	346	lock_wait $key;
265		347
266	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
267		350
268	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
271	}	355	}
272	}	356	}
273		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
274	sub freeze_mainloop {	364	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
276		366
277	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
279	};	428	}
280	$TICK_WATCHER->stop;	429	};
281	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
282	}	443	}
283		444
284	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
285		446
286	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		452
292	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
293		454
294	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
295		456
296	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
299		461
300	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
303	fast or be very important.	465	fast or be very important.
…		…
306		468
307	sub sync_job(&) {	469	sub sync_job(&) {
308	my ($job) = @_;	470	my ($job) = @_;
309		471
310	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
311	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
313		477
314	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	479
316	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
317		481
318	my $busy = 1;	482	my $busy = 1;
319	my @res;	483	my @res;
320		484
321	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	487	@res = eval { $job->() };
323	warn $@ if $@;	488	warn $@ if $@;
324	undef $busy;	489	undef $busy;
325	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
326		491
327	while ($busy) {	492	while ($busy) {
328	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
329	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
330		503
331	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
332	} else {	505	} else {
333	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
334		507
…		…
354	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
355		528
356	$coro	529	$coro
357	}	530	}
358		531
359	sub write_runtime {	532	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		533
362	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
363		538
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
365	or return;
366		540
367	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		543
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
372	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
373		547
374	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	549	reset_signals;
376	and return;	550	&$cb
		551	}, @args;
377		552
378	close $fh	553	wantarray ? @res : $res[-1]
379	or return;	554	}
380		555
381	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
382	and return;
383		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
384	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	719	}
386		720
387	=back	721	=back
388		722
389	=cut	723	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
398		732
399	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	735	Deliantra).
402		736
403	=over 4	737	=over 4
404		738
405	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
406		740
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
570		904
571	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		909
576	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	911	my $pkg = shift @arg;
578		912
579	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
609	}	943	}
610		944
611	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
612	} else {	946	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	948	}
615		949
616	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
617	}	951	}
618		952
…		…
620	if (ref $_[0]) {	954	if (ref $_[0]) {
621	_object_attach @_;	955	_object_attach @_;
622	} else {	956	} else {
623	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
624	}	958	}
		959	_recalc_want;
625	};	960	};
626		961
627	# all those should be optimised	962	# all those should be optimised
628	sub cf::attachable::detach {	963	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
633	reattach ($obj);	968	reattach ($obj);
634	} else {	969	} else {
635	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
636	}	971	}
		972	_recalc_want;
637	};	973	};
638		974
639	sub cf::attachable::attached {	975	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
641		977
…		…
656	";	992	";
657	die if $@;	993	die if $@;
658	}	994	}
659		995
660	our $override;	996	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		998
663	sub override {	999	sub override {
664	$override = 1;	1000	$override = 1;
665	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
666	}	1002	}
667		1003
668	sub do_invoke {	1004	sub do_invoke {
669	my $event = shift;	1005	my $event = shift;
670	my $callbacks = shift;	1006	my $callbacks = shift;
671		1007
672	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
673		1009
674	local $override;	1010	local $override;
675		1011
676	for (@$callbacks) {	1012	for (@$callbacks) {
677	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
686	}	1022	}
687		1023
688	0	1024	0
689	}	1025	}
690		1026
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1028
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1030
695	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
696		1032
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1036
701	=back	1037	=back
702		1038
703	=cut	1039	=cut
704		1040
705	#############################################################################	1041	#############################################################################
706	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
707		1085
708	sub reattach {	1086	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1088	my ($obj) = @_;
711		1089
…		…
732	cf::attachable->attach (	1110	cf::attachable->attach (
733	prio => -1000000,	1111	prio => -1000000,
734	on_instantiate => sub {	1112	on_instantiate => sub {
735	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
736		1114
737	$data = from_json $data;	1115	$data = decode_json $data;
738		1116
739	for (@$data) {	1117	for (@$data) {
740	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
741		1119
742	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1136	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
760		1138
761	sync_job {	1139	sync_job {
762	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
765		1144
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1149	close $fh;
771		1150
772	if (@$objs) {	1151	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1157	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
780	}	1159	}
…		…
788	}	1167	}
789	} else {	1168	} else {
790	aio_unlink $filename;	1169	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
792	}	1171	}
793	}	1172	};
794	}	1173	}
795		1174
796	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
798		1177
…		…
810	or return;	1189	or return;
811		1190
812	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
814	or return;	1193	or return;
		1194
815	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
816	}	1197	}
817		1198
		1199	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
820	return ($data, $av);	1203	($data, $av)
821	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
822		1211
823	#############################################################################	1212	#############################################################################
824	# command handling &c	1213	# command handling &c
825		1214
826	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1229	}
841		1230
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1232
844	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
845		1238
846	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
847	called.	1240	called.
848		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
849	=cut	1253	=cut
850		1254
851	sub register_extcmd {	1255	sub register_extcmd {
852	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
853		1257
854	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
855	}	1265	}
856		1266
857	cf::player->attach (	1267	cf::player->attach (
858	on_command => sub {	1268	on_command => sub {
859	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1278	cf::override;
869	},	1279	},
870	on_extcmd => sub {	1280	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
872		1282
873	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1284
875	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
881	} else {	1300	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1302	}
884		1303
885	cf::override;	1304	cf::override;
886	},	1305	},
887	);	1306	);
888		1307
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
924	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1313	next unless -r $path;
926	eval {	1314
927	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
928	1	1371	}
929	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
930	}	1377	};
931	}	1378	}
932		1379
933	#############################################################################	1380	#############################################################################
934		1381
		1382	=back
		1383
935	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
936		1385
937	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
938		1387
939	=cut	1388	=cut
…		…
944		1393
945	=head3 cf::player	1394	=head3 cf::player
946		1395
947	=over 4	1396	=over 4
948		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
949	=item cf::player::find $login	1412	=item cf::player::find $login
950		1413
951	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
952		1415
953	=cut	1416	=cut
954		1417
955	sub playerdir($) {	1418	sub playerdir($) {
956	cf::localdir	1419	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1421	}
962		1422
963	sub path($) {	1423	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1425
966	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
967	}	1427	}
968		1428
969	sub find_active($) {	1429	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1444	my $login = $_[0];
985		1445
986	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
987		1447
988	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
990	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
992	}	1464	}
993	}	1465	}
994	}	1466	}
995		1467
…		…
1004	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1005		1477
1006	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1008		1480
		1481	cf::get_slot 0.01;
		1482
1009	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1010	Coro::cede;	1484	cf::cede_to_tick;
1011	}	1485	}
1012		1486
1013	sub new($) {	1487	sub new($) {
1014	my ($login) = @_;	1488	my ($login) = @_;
1015		1489
…		…
1019	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1020		1494
1021	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1022		1496
1023	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1024	}	1508	}
1025		1509
1026	=item $pl->quit_character	1510	=item $pl->quit_character
1027		1511
1028	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1078		1562
1079	=cut	1563	=cut
1080		1564
1081	sub list_logins {	1565	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1567	or return [];
1084		1568
1085	my @logins;	1569	my @logins;
1086		1570
1087	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1091		1580
1092	utf8::decode $login;	1581	utf8::decode $login;
1093	push @logins, $login;	1582	push @logins, $login;
1094	}	1583	}
1095		1584
…		…
1122	}	1611	}
1123		1612
1124	\@paths	1613	\@paths
1125	}	1614	}
1126		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1128		1710
1129	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1130		1712
1131	=cut	1713	=cut
1132		1714
1133	sub ext_reply($$$%) {	1715	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1135		1717
1136	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1719	}
1140		1720
1141	package cf;	1721	=item $player->ext_msg ($type, @msg)
		1722
		1723	Sends an ext event to the client.
		1724
		1725	=cut
		1726
		1727	sub ext_msg($$@) {
		1728	my ($self, $type, @msg) = @_;
		1729
		1730	$self->ns->ext_msg ($type, @msg);
		1731	}
		1732
		1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1142		1761
1143	=back	1762	=back
1144
1145		1763
1146	=head3 cf::map	1764	=head3 cf::map
1147		1765
1148	=over 4	1766	=over 4
1149		1767
…		…
1161	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1163		1781
1164	sub generate_random_map {	1782	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1166	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1788	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1205		1826
1206	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1207	local $self->{path};	1828	local $self->{path};
1208	local $self->{load_path};	1829	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1830
1212	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1213	}	1832	}
1214		1833
1215	sub normalise {	1834	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1263	return $self;	1882	return $self;
1264	}	1883	}
1265	}	1884	}
1266		1885
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1887	()
1269	}	1888	}
1270		1889
1271	sub init {	1890	sub init {
1272	my ($self) = @_;	1891	my ($self) = @_;
…		…
1287		1906
1288	# the original (read-only) location	1907	# the original (read-only) location
1289	sub load_path {	1908	sub load_path {
1290	my ($self) = @_;	1909	my ($self) = @_;
1291		1910
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1293	}	1912	}
1294		1913
1295	# the temporary/swap location	1914	# the temporary/swap location
1296	sub save_path {	1915	sub save_path {
1297	my ($self) = @_;	1916	my ($self) = @_;
1298		1917
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1301	}	1920	}
1302		1921
1303	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1304	sub uniq_path {	1923	sub uniq_path {
1305	my ($self) = @_;	1924	my ($self) = @_;
1306		1925
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1309	}	1928	}
1310		1929
1311	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1312	# all maps in C++...	1931	# all maps in C++...
1313	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1315		1934
1316	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1318	}	1937	}
1319		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1320	sub unlink_save {	1947	sub unlink_save {
1321	my ($self) = @_;	1948	my ($self) = @_;
1322		1949
1323	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1954
1328	sub load_header_from($) {	1955	sub load_header_from($) {
1329	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1330		1957
1331	utf8::encode $path;	1958	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1337		1967
1338	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1339		1969
1340	1	1970	1
1341	}	1971	}
…		…
1380	$self->load_header_orig	2010	$self->load_header_orig
1381	or return;	2011	or return;
1382	$self->prepare_orig;	2012	$self->prepare_orig;
1383	}	2013	}
1384		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
		2018	$self->default_region (cf::region::find_by_path $self->{path})
		2019	unless $self->default_region;
		2020
1385	1	2021	1
1386	}	2022	}
1387		2023
1388	sub find;	2024	sub find;
1389	sub find {	2025	sub find {
1390	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1391		2027
1392	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1393		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1395		2032
1396	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1398	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1399	or return;	2038	or return;
1400		2039
1401	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1402		2041
1403	$map->load_header	2042	$map->load_header
1404	or return;	2043	or return;
1405		2044
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1409	$map->reset;	2050	$map->reset;
1410	undef $guard;
1411	return find $path;	2051	return find $path;
1412	}	2052	}
1413		2053
1414	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1415	}	2055	}
…		…
1422	my ($self) = @_;	2062	my ($self) = @_;
1423		2063
1424	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1425		2065
1426	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1428		2070
		2071	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2073
1431	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1432		2075
1433	$self->alloc;	2076	$self->alloc;
1434		2077
1435	$self->pre_load;	2078	$self->pre_load;
		2079	cf::cede_to_tick;
1436		2080
1437	$self->_load_objects ($self->{load_path}, 1)	2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1438	or return;	2084	or return;
1439		2085
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2087	if delete $self->{load_original};
1442		2088
1443	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2090	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2093	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1448	}	2097	}
1449	}	2098	}
1450		2099
1451	Coro::cede;	2100	$f->resolve_delayed_derefs;
1452		2101
		2102	cf::cede_to_tick;
1453	# now do the right thing for maps	2103	# now do the right thing for maps
1454	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2106	unless $self->difficulty;
1464	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1465	$self->activate;	2116	$self->activate;
		2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2123	}
1467		2124
1468	$self->post_load;	2125	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2126	}
1472		2127
1473	sub customise_for {	2128	sub customise_for {
1474	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1475		2130
1476	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2132	if $self->per_player;
1478		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1479	$self	2137	$self
1480	}	2138	}
1481		2139
1482	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2141	sub load_neighbours {
1484	my ($map) = @_;	2142	my ($map) = @_;
1485		2143
1486	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1487		2145
1488	for (0 .. 3) {	2146	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1490	or next;	2148	or next;
1491	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1492	or next;	2150	or next;
1493	$neigh->load;	2151	$neigh->load;
1494		2152
		2153	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2156	}
1498		2157
1499	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1501	or next;	2161	or next;
1502	$neigh->load;	2162	$neigh->load;
1503	}	2163	}
1504	}	2164	}
1505		2165
…		…
1510	}	2170	}
1511		2171
1512	sub do_load_sync {	2172	sub do_load_sync {
1513	my ($map) = @_;	2173	my ($map) = @_;
1514		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1515	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1516	}	2179	}
1517		2180
1518	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1520		2183
1521	sub find_async {	2184	sub find_async {
1522	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1523		2186
1524	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1525		2188
1526	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2191	}
1529		2192
1530	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1531	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1532	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2200	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2201	$map->load if $v;
		2202	}
1537		2203
1538	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1539	}	2205	}
1540	}	2206	}
1541	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1542	};	2208	};
1543	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2212	}
1547		2213
1548	sub save {	2214	sub save {
1549	my ($self) = @_;	2215	my ($self) = @_;
1550		2216
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2218
1553	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1554		2220
1555	return unless $self->dirty;	2221	return unless $self->dirty;
1556		2222
…		…
1562	return if $self->{deny_save};	2228	return if $self->{deny_save};
1563		2229
1564	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1565		2231
1566	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1568	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1569		2238
1570	if ($uniq) {	2239	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2242	} else {
…		…
1579	my ($self) = @_;	2248	my ($self) = @_;
1580		2249
1581	# save first because save cedes	2250	# save first because save cedes
1582	$self->save;	2251	$self->save;
1583		2252
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2254
1586	return if $self->players;	2255	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2257	return if $self->{deny_save};
1589		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2263	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2264	}
1593		2265
1594	sub reset_at {	2266	sub reset_at {
1595	my ($self) = @_;	2267	my ($self) = @_;
1596		2268
1597	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1600		2271
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2274
…		…
1614	my ($self) = @_;	2285	my ($self) = @_;
1615		2286
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2288
1618	return if $self->players;	2289	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2290
1621	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1622		2292
1623	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1624		2294
1625	# need to save uniques path	2295	# need to save uniques path
1626	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2300	if $uniq;
1631	}	2301	}
1632		2302
1633	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1634		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2307	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2308
1639	$self->unlink_save;	2309	$self->unlink_save;
1640	$self->destroy;	2310	$self->destroy;
1641	}	2311	}
1642		2312
1643	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1644		2314
1645	sub nuke {	2315	sub nuke {
1646	my ($self) = @_;	2316	my ($self) = @_;
1647		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1648	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1649		2322
1650	$self->unlink_save;	2323	$self->unlink_save;
1651		2324
1652	bless $self, "cf::map";	2325	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2330
1658	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1659		2333
1660	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1661	}	2371	}
1662		2372
1663	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1664		2374
1665	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2376	instantiated unique items. May block.
1667		2377
1668	=cut	2378	=cut
1669		2379
1670	sub unique_maps() {	2380	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1672	or return;	2382	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2383	utf8::decode $_;
1678	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2386	? ()
1681	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2389	]
1683
1684	\@paths
1685	}	2390	}
1686
1687	package cf;
1688		2391
1689	=back	2392	=back
1690		2393
1691	=head3 cf::object	2394	=head3 cf::object
1692		2395
…		…
1696		2399
1697	=over 4	2400	=over 4
1698		2401
1699	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1700		2403
1701	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1702		2406
1703	=cut	2407	=cut
1704		2408
1705	sub inv_recursive_;	2409	sub inv_recursive_;
1706	sub inv_recursive_ {	2410	sub inv_recursive_ {
1707	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1708	}	2412	}
1709		2413
1710	sub inv_recursive {	2414	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1712	}	2444	}
1713		2445
1714	package cf;	2446	package cf;
1715		2447
1716	=back	2448	=back
…		…
1735		2467
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2469
1738	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1740	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1743	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1744	}	2495	}
1745		2496
1746	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1747		2498
1748	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1796		2547
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2549
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1801		2552
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2554	}
1804		2555
1805	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1807		2560
1808	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1809		2562
1810	unless ($map) {	2563	unless ($map) {
1811	# restore original map position	2564	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1828		2581
1829	$map->load;	2582	$map->load;
1830	$map->load_diag;	2583	$map->load_neighbours;
1831		2584
1832	return unless $self->contr->active;	2585	return unless $self->contr->active;
1833	$self->activate_recursive;	2586	$self->activate_recursive;
1834		2587
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1837	}	2590	}
1838		2591
1839	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2593
1843	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1847	};	2598	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2599
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1874		2603
1875	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2609
1878	$self->enter_link;	2610	$self->enter_link;
1879		2611
1880	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1881	my $map = eval {	2634	my $map = eval {
1882	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1884	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2650	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1889	})->prio (1);	2658	})->prio (1);
1890	}	2659	}
1891		2660
1892	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1893		2662
…		…
1930	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1931	}	2700	}
1932		2701
1933	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1934		2703
1935	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1938		2707
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2710	undef $fh;
1942	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
1951		2720
1952	return unless $self->type == cf::PLAYER;	2721	return unless $self->type == cf::PLAYER;
1953		2722
1954	if ($exit->slaying eq "/!") {	2723	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2725	# the problem is that $exit might not survive long enough
		2726	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2727	cf::sync_job { prepare_random_map $exit };
1957	}	2728	}
1958		2729
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
1962		2733
1963	$self->enter_link;	2734	$self->enter_link;
1964		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
1965	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
1966	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2744	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
1969		2746
1970	1;	2747	1;
1971	}) {	2748	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2749	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2750	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2751	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2752	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2753
1977	warn "ERROR in enter_exit: $@";	2754	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2755	$self->leave_link;
1979	}	2756	}
1980	})->prio (1);	2757	})->prio (1);
…		…
1993		2770
1994	sub cf::client::send_drawinfo {	2771	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2772	my ($self, $text, $flags) = @_;
1996		2773
1997	utf8::encode $text;	2774	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2776	}
2000		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
2001		2936
2002	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2003		2938
2004	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2942
2008	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2944	become reliable at some point in the future.
2010		2945
2011	=cut	2946	=cut
2012		2947
2013	sub cf::client::query {	2948	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2957	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2959
2025	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2027	}	2964	}
2028		2965
2029	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2030	on_reply => sub {	2972	on_reply => sub {
2031	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2032		2974
2033	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2034	# get handled first	2976	# get handled first
…		…
2046	} else {	2988	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2990	}
2049	}	2991	}
2050	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2051	);	3019	);
2052		3020
2053	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2054		3022
2055	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2098		3066
2099	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2100		3068
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2102		3074
2103	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2104		3076
2105	=pod	3077	=pod
2106		3078
2107	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2108		3080
2109	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2110	cf::object::player player	3085	cf::object::player
2111	cf::player peaceful	3086	player
2112	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2113		3093
2114	=cut	3094	=cut
2115		3095
2116	for (	3096	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2118	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2121	) {	3103	) {
2122	no strict 'refs';	3104	no strict 'refs';
…		…
2193	=back	3175	=back
2194		3176
2195	=cut	3177	=cut
2196		3178
2197	#############################################################################	3179	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3180	# the server's init and main functions
2271		3181
2272	sub load_faces {	3182	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3183	my ($path) = @_;
2274		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3190
2275	warn "loading faces from $path\n";	3191	warn "loading facedata from $path\n";
2276		3192
2277	my $faces;	3193	my $facedata;
2278	0 < aio_load $path, $faces	3194	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3195	or die "$path: $!";
2280		3196
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3197	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3198
		3199	$facedata->{version} == 2
		3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
		3209	{
		3210	my $faces = $facedata->{faceinfo};
		3211
2285	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3214
		3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3219
		3220	cf::cede_to_tick;
		3221	}
		3222
		3223	while (my ($face, $info) = each %$faces) {
		3224	next unless $info->{smooth};
		3225
		3226	my $idx = cf::face::find $face
		3227	or next;
		3228
		3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
		3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3232	} else {
		3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3234	}
		3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
2290	}	3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3285
2292	1	3286	1
2293	}	3287	}
2294		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub reload_regions {
		3318	# HACK to clear player env face cache, we need some signal framework
		3319	# for this (global event?)
		3320	%ext::player_env::MUSIC_FACE_CACHE = ();
		3321
		3322	load_resource_file "$MAPDIR/regions"
		3323	or die "unable to load regions file\n";
		3324
		3325	for (cf::region::list) {
		3326	$_->{match} = qr/$_->{match}/
		3327	if exists $_->{match};
		3328	}
		3329	}
		3330
		3331	sub reload_facedata {
		3332	load_facedata "$DATADIR/facedata"
		3333	or die "unable to load facedata\n";
		3334	}
		3335
		3336	sub reload_archetypes {
		3337	load_resource_file "$DATADIR/archetypes"
		3338	or die "unable to load archetypes\n";
		3339	#d# NEED to laod twice to resolve forward references
		3340	# this really needs to be done in an extra post-pass
		3341	# (which needs to be synchronous, so solve it differently)
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
		3344	}
		3345
		3346	sub reload_treasures {
		3347	load_resource_file "$DATADIR/treasures"
		3348	or die "unable to load treasurelists\n";
		3349	}
		3350
2295	sub reload_resources {	3351	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3352	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3353
		3354	reload_regions;
2298	load_faces	3355	reload_facedata;
2299	or die "unable to load faces\n";#d#	3356	#reload_archetypes;#d#
		3357	reload_archetypes;
		3358	reload_treasures;
		3359
		3360	warn "finished reloading resource files\n";
2300	}	3361	}
2301		3362
2302	sub init {	3363	sub init {
2303	reload_resources;	3364	reload_resources;
2304	}	3365	}
2305		3366
2306	sub cfg_load {	3367	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3369	or return;
2309		3370
2310	local $/;	3371	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2312		3373
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3375
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2327	sub main {	3388	sub main {
2328	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3392	(async {
2332	Event::one_event;	3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3395	})->prio (Coro::PRIO_MAX);
2334	};	3396	};
2335		3397
2336	cfg_load;	3398	reload_config;
2337	db_init;	3399	db_init;
2338	load_extensions;	3400	load_extensions;
2339		3401
2340	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
2341	Event::loop;	3404	EV::loop;
2342	}	3405	}
2343		3406
2344	#############################################################################	3407	#############################################################################
2345	# initialisation and cleanup	3408	# initialisation and cleanup
2346		3409
2347	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
2348	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
2357	},
2358	);	3416	};
		3417	}
		3418	}
		3419
		3420	sub write_runtime_sync {
		3421	my $runtime = "$LOCALDIR/runtime";
		3422
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $runtime, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$runtime~", $runtime
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2359	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2360	}	3499	}
2361		3500
2362	sub emergency_save() {	3501	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2364		3503
…		…
2370	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3515	$pl->save;
2376	}	3516	}
2377	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2378		3518
2379	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2385	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2386		3526
2387	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2390	};	3534	};
2391		3535
2392	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2393	}	3537	}
2394		3538
…		…
2397		3541
2398	warn Carp::longmess "post_cleanup backtrace"	3542	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3543	if $make_core;
2400	}	3544	}
2401		3545
2402	sub reload() {	3546	sub do_reload_perl() {
2403	# can/must only be called in main	3547	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3548	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3549	warn "can only reload from main coroutine";
2406	return;	3550	return;
2407	}	3551	}
…		…
2409	warn "reloading...";	3553	warn "reloading...";
2410		3554
2411	warn "entering sync_job";	3555	warn "entering sync_job";
2412		3556
2413	cf::sync_job {	3557	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3558	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3559	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3560	cf::write_runtime_sync; # external watchdog should not bark
2417		3561
2418	warn "syncing database to disk";	3562	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3564
2421	# if anything goes wrong in here, we should simply crash as we already saved	3565	# if anything goes wrong in here, we should simply crash as we already saved
2422
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427		3566
2428	warn "flushing outstanding aio requests";	3567	warn "flushing outstanding aio requests";
2429	for (;;) {	3568	for (;;) {
2430	BDB::flush;	3569	BDB::flush;
2431	IO::AIO::flush;	3570	IO::AIO::flush;
2432	Coro::cede;	3571	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3572	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3573	warn "iterate...";
2435	}	3574	}
2436		3575
2437	++$RELOAD;	3576	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3580	%EXT_CORO = ();
2442		3581
2443	warn "removing commands";	3582	warn "removing commands";
2444	%COMMAND = ();	3583	%COMMAND = ();
2445		3584
2446	warn "removing ext commands";	3585	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3586	%EXTCMD = ();
		3587	%EXTICMD = ();
2448		3588
2449	warn "unloading/nuking all extensions";	3589	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3590	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3591	warn "... unloading $pkg";
2452		3592
…		…
2482	Symbol::delete_package "safe::$_"	3622	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3623	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3624
2485	warn "unloading cf.pm \"a bit\"";	3625	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3626	delete $INC{"cf.pm"};
		3627	delete $INC{"cf/pod.pm"};
2487		3628
2488	# don't, removes xs symbols, too,	3629	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3630	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3631	#Symbol::delete_package __PACKAGE__;
2491		3632
…		…
2494	warn "reloading cf.pm";	3635	warn "reloading cf.pm";
2495	require cf;	3636	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3638
2498	warn "loading config and database again";	3639	warn "loading config and database again";
2499	cf::cfg_load;	3640	cf::reload_config;
2500		3641
2501	warn "loading extensions";	3642	warn "loading extensions";
2502	cf::load_extensions;	3643	cf::load_extensions;
2503		3644
2504	warn "reattaching attachments to objects/players";	3645	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3647	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3648	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3649	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3650	reattach $_ for values %PLAYER;
2510		3651
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3652	warn "leaving sync_job";
2515		3653
2516	1	3654	1
2517	} or do {	3655	} or do {
2518	warn $@;	3656	warn $@;
2519	warn "error while reloading, exiting.";	3657	cf::cleanup "error while reloading, exiting.";
2520	exit 1;
2521	};	3658	};
2522		3659
2523	warn "reloaded";	3660	warn "reloaded";
2524	};	3661	};
2525		3662
2526	our $RELOAD_WATCHER; # used only during reload	3663	our $RELOAD_WATCHER; # used only during reload
2527		3664
		3665	sub reload_perl() {
		3666	# doing reload synchronously and two reloads happen back-to-back,
		3667	# coro crashes during coro_state_free->destroy here.
		3668
		3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3670	do_reload_perl;
		3671	undef $RELOAD_WATCHER;
		3672	};
		3673	}
		3674
2528	register_command "reload" => sub {	3675	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2530		3677
2531	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
2533		3680	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3681	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3682	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3683	};
2546	}	3684	}
2547	};	3685	};
2548		3686
2549	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2550		3688
2551	my $bug_warning = 0;	3689	my $bug_warning = 0;
2552		3690
2553	$TICK_WATCHER = Event->timer (	3691	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3692	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3693
2556	prio => 0,	3694	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3695	return if tick_inhibit;
2558	data => WF_AUTOCANCEL,	3696	return if $Coro::current == $Coro::main;
2559	cb => sub {	3697
		3698	my $signal = new Coro::Signal;
		3699	push @WAIT_FOR_TICK, $signal;
		3700	$signal->wait;
		3701	}
		3702
		3703	sub wait_for_tick_begin {
		3704	return if tick_inhibit;
		3705	return if $Coro::current == $Coro::main;
		3706
		3707	my $signal = new Coro::Signal;
		3708	push @WAIT_FOR_TICK_BEGIN, $signal;
		3709	$signal->wait;
		3710	}
		3711
		3712	sub tick {
2560	if ($Coro::current != $Coro::main) {	3713	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3715	unless ++$bug_warning > 10;
2563	return;	3716	return;
2564	}	3717	}
2565		3718
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3720
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3723	Coro::async_pool {
		3724	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3725	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3726	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3727	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3728	}
2592	);	3729
		3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3731	$sig->send;
		3732	}
		3733	while (my $sig = shift @WAIT_FOR_TICK) {
		3734	$sig->send;
		3735	}
		3736
		3737	$LOAD = ($NOW - $TICK_START) / $TICK;
		3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3739
		3740	if (0) {
		3741	if ($NEXT_TICK) {
		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
		3746	}
		3747	}
2593		3748
2594	{	3749	{
2595	BDB::max_poll_time $TICK * 0.1;	3750	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3751
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3752	BDB::min_parallel 8;
2605		3753	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3754	$Coro::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3755
2621	unless ($DB_ENV) {	3756	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3757	$DB_ENV = BDB::db_env_create;
		3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3759	| BDB::LOG_AUTOREMOVE, 1);
		3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3762
2624	cf::sync_job {	3763	cf::sync_job {
2625	eval {	3764	eval {
2626	BDB::db_env_open	3765	BDB::db_env_open
2627	$DB_ENV,	3766	$DB_ENV,
2628	$BDB_ENV_DIR,	3767	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3770	0666;
2632		3771
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3773	};
2638		3774
2639	cf::cleanup "db_env_open(db): $@" if $@;	3775	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3776	};
2641	}	3777	}
		3778
		3779	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3780	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3781	};
		3782	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3783	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3784	};
		3785	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3786	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3787	};
2642	}	3788	}
2643		3789
2644	{	3790	{
		3791	# configure IO::AIO
		3792
2645	IO::AIO::min_parallel 8;	3793	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3794	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3795	$Coro::AIO::WATCHER->priority (1);
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3796	}
		3797
		3798	my $_log_backtrace;
		3799
		3800	sub _log_backtrace {
		3801	my ($msg, @addr) = @_;
		3802
		3803	$msg =~ s/\n//;
		3804
		3805	# limit the # of concurrent backtraces
		3806	if ($_log_backtrace < 2) {
		3807	++$_log_backtrace;
		3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
		3811	my @bt = fork_call {
		3812	@addr = map { sprintf "%x", $_ } @addr;
		3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3814	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3815	or die "addr2line: $!";
		3816
		3817	my @funcs;
		3818	my @res = <$fh>;
		3819	chomp for @res;
		3820	while (@res) {
		3821	my ($func, $line) = splice @res, 0, 2, ();
		3822	push @funcs, "[$func] $line";
		3823	}
		3824
		3825	@funcs
		3826	};
		3827
		3828	LOG llevInfo, "[ABT] $msg\n";
		3829	LOG llevInfo, "[ABT] $_\n" for @bt;
		3830	--$_log_backtrace;
		3831	};
		3832	} else {
		3833	LOG llevInfo, "[ABT] $msg\n";
		3834	LOG llevInfo, "[ABT] [suppressed]\n";
		3835	}
		3836	}
		3837
		3838	# load additional modules
		3839	use cf::pod;
2658		3840
2659	END { cf::emergency_save }	3841	END { cf::emergency_save }
2660		3842
2661	1	3843	1
2662		3844

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