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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.417 by root, Fri Apr 11 14:09:57 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
		78	our $RELOAD; # number of reloads so far
48	our @EVENT;	79	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		80
51	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	97	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		99
59	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	104	our $DB_ENV;
61		105
62	our %CFG;	106	our %CFG;
63		107
64	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
66		111
67	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		115
76	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
79	binmode STDOUT;	124	binmode STDOUT;
80	binmode STDERR;	125	binmode STDERR;
81		126
82	# read virtual server time, if available	127	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
87	}	132	}
88		133
89	mkdir cf::localdir;	134	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		136
96	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
97		138
98	sub cf::map::normalise;	139	sub cf::map::normalise;
99		140
…		…
110	=item $cf::RUNTIME	151	=item $cf::RUNTIME
111		152
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	154	every server tick.
114		155
115	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		159
117	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
119		164
120	=item $cf::NOW	165	=item $cf::NOW
121		166
122	The time of the last (current) server tick.	167	The time of the last (current) server tick.
123		168
124	=item $cf::TICK	169	=item $cf::TICK
125		170
126	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
127		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
128	=item %cf::CFG	183	=item %cf::CFG
129		184
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	186	from wherever your confdir points to.
132		187
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		189
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
139		199
140	=back	200	=back
141		201
142	=cut	202	=cut
143		203
144	BEGIN {	204	BEGIN {
145	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	206	my $msg = join "", @_;
147	utf8::encode $msg;
148		207
149	$msg .= "\n"	208	$msg .= "\n"
150	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
151		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
152	LOG llevError, $msg;	213	LOG llevError, $msg;
153	};	214	};
154	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
155		231
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		239
163	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	241	# within the Safe compartment.
165	for my $pkg (qw(	242	for my $pkg (qw(
166	cf::global cf::attachable	243	cf::global cf::attachable
…		…
171	)) {	248	)) {
172	no strict 'refs';	249	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	251	}
175		252
176	$Event::DIED = sub {	253	$EV::DIED = sub {
177	warn "error in event callback: @_";	254	warn "error in event callback: @_";
178	};	255	};
		256
		257	#############################################################################
179		258
180	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
181		260
182	=over 4	261	=over 4
183		262
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	282	$d
204	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
205	}	284	}
206		285
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
210		287
211	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
212		289
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
221		291
222	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
223		293
224	=cut	294	=cut
225		295
226	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
228	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
230		300
231	=item cf::lock_wait $string	301	=item cf::lock_wait $string
232		302
233	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
234		304
…		…
237	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
240	returned.	310	returned.
241		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
242	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
244		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
245	=cut	322	=cut
246		323
247	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
248		326
249	sub lock_wait($) {	327	sub lock_wait($) {
250	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
251		334
252	# wait for lock, if any	335	# wait for lock, if any
253	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	338	Coro::schedule;
…		…
261		344
262	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
263	lock_wait $key;	346	lock_wait $key;
264		347
265	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
266		350
267	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
270	}	355	}
271	}	356	}
272		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
273	sub freeze_mainloop {	364	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
275		366
276	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	368	}
		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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
278	};	428	}
279	$TICK_WATCHER->stop;	429	};
280	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
281	}	441	}
282		442
283	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
284		444
285	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		450
291	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
292		452
293	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
294		454
295	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
298		459
299	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
302	fast or be very important.	463	fast or be very important.
…		…
305		466
306	sub sync_job(&) {	467	sub sync_job(&) {
307	my ($job) = @_;	468	my ($job) = @_;
308		469
309	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
310	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
312		475
313	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	477
315	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
316		479
317	my $busy = 1;	480	my $busy = 1;
318	my @res;	481	my @res;
319		482
320	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	485	@res = eval { $job->() };
322	warn $@ if $@;	486	warn $@ if $@;
323	undef $busy;	487	undef $busy;
324	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
325		489
326	while ($busy) {	490	while ($busy) {
327	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
328	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
329		501
330	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
331	} else {	503	} else {
332	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
333		505
…		…
353	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
354		526
355	$coro	527	$coro
356	}	528	}
357		529
358	sub write_runtime {	530	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		531
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
362	or return;	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
363		536
364	my $value = $cf::RUNTIME + 90 + 10;	537	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		538
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	sub fork_call(&@) {
369	and return;	540	my ($cb, @args) = @_;
370		541
371	# always fsync - this file is important	542	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	543	# otherwise perl prematurely frees the stuff :/
373	and return;	544	# TODO: investigate and fix (likely this will be rather laborious)
374		545
375	close $fh	546	my @res = Coro::Util::fork_eval {
376	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
377		550
378	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
379	and return;	552	}
380		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
381	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
		706	}
		707
		708	=item cf::datalog type => key => value, ...
		709
		710	Log a datalog packet of the given type with the given key-value pairs.
		711
		712	=cut
		713
		714	sub datalog($@) {
		715	my ($type, %kv) = @_;
		716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	717	}
383		718
384	=back	719	=back
385		720
386	=cut	721	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
395		730
396	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	733	Deliantra).
399		734
400	=over 4	735	=over 4
401		736
402	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
403		738
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
567		902
568	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		907
573	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	909	my $pkg = shift @arg;
575		910
576	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
606	}	941	}
607		942
608	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
609	} else {	944	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	946	}
612		947
613	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
614	}	949	}
615		950
…		…
617	if (ref $_[0]) {	952	if (ref $_[0]) {
618	_object_attach @_;	953	_object_attach @_;
619	} else {	954	} else {
620	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
621	}	956	}
		957	_recalc_want;
622	};	958	};
623		959
624	# all those should be optimised	960	# all those should be optimised
625	sub cf::attachable::detach {	961	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
630	reattach ($obj);	966	reattach ($obj);
631	} else {	967	} else {
632	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
633	}	969	}
		970	_recalc_want;
634	};	971	};
635		972
636	sub cf::attachable::attached {	973	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
638		975
…		…
653	";	990	";
654	die if $@;	991	die if $@;
655	}	992	}
656		993
657	our $override;	994	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		996
660	sub override {	997	sub override {
661	$override = 1;	998	$override = 1;
662	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
663	}	1000	}
664		1001
665	sub do_invoke {	1002	sub do_invoke {
666	my $event = shift;	1003	my $event = shift;
667	my $callbacks = shift;	1004	my $callbacks = shift;
668		1005
669	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
670		1007
671	local $override;	1008	local $override;
672		1009
673	for (@$callbacks) {	1010	for (@$callbacks) {
674	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
683	}	1020	}
684		1021
685	0	1022	0
686	}	1023	}
687		1024
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1026
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1028
692	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
693		1030
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1034
698	=back	1035	=back
699		1036
700	=cut	1037	=cut
701		1038
702	#############################################################################	1039	#############################################################################
703	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
704		1083
705	sub reattach {	1084	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1086	my ($obj) = @_;
708		1087
…		…
729	cf::attachable->attach (	1108	cf::attachable->attach (
730	prio => -1000000,	1109	prio => -1000000,
731	on_instantiate => sub {	1110	on_instantiate => sub {
732	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
733		1112
734	$data = from_json $data;	1113	$data = decode_json $data;
735		1114
736	for (@$data) {	1115	for (@$data) {
737	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
738		1117
739	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1134	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
757		1136
758	sync_job {	1137	sync_job {
759	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
762		1142
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1147	close $fh;
768		1148
769	if (@$objs) {	1149	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1155	close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
777	}	1157	}
…		…
785	}	1165	}
786	} else {	1166	} else {
787	aio_unlink $filename;	1167	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
789	}	1169	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1170	};
797	}	1171	}
798		1172
799	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
801		1175
…		…
806		1180
807	sub object_thawer_load {	1181	sub object_thawer_load {
808	my ($filename) = @_;	1182	my ($filename) = @_;
809		1183
810	my ($data, $av);	1184	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1185
815	(aio_load $filename, $data) >= 0	1186	(aio_load $filename, $data) >= 0
816	or return;	1187	or return;
817		1188
818	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
820	or return;	1191	or return;
		1192
821	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
822	}	1195	}
823		1196
		1197	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
826	return ($data, $av);	1201	($data, $av)
827	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
828		1209
829	#############################################################################	1210	#############################################################################
830	# command handling &c	1211	# command handling &c
831		1212
832	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1227	}
847		1228
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1230
850	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
851		1236
852	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
853	called.	1238	called.
854		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
855	=cut	1251	=cut
856		1252
857	sub register_extcmd {	1253	sub register_extcmd {
858	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
859		1255
860	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
861	}	1263	}
862		1264
863	cf::player->attach (	1265	cf::player->attach (
864	on_command => sub {	1266	on_command => sub {
865	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
874	cf::override;	1276	cf::override;
875	},	1277	},
876	on_extcmd => sub {	1278	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
878		1280
879	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1282
881	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
887	} else {	1298	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1300	}
890		1301
891	cf::override;	1302	cf::override;
892	},	1303	},
893	);	1304	);
894		1305
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
930	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1311	next unless -r $path;
932	eval {	1312
933	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
934	1	1369	}
935	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
936	}	1375	};
937	}	1376	}
938		1377
939	#############################################################################	1378	#############################################################################
940		1379
		1380	=back
		1381
941	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
942		1383
943	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
944		1385
945	=cut	1386	=cut
…		…
950		1391
951	=head3 cf::player	1392	=head3 cf::player
952		1393
953	=over 4	1394	=over 4
954		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
955	=item cf::player::find $login	1410	=item cf::player::find $login
956		1411
957	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
958		1413
959	=cut	1414	=cut
960		1415
961	sub playerdir($) {	1416	sub playerdir($) {
962	cf::localdir	1417	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1419	}
968		1420
969	sub path($) {	1421	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1423
972	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
973	}	1425	}
974		1426
975	sub find_active($) {	1427	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1442	my $login = $_[0];
991		1443
992	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
993		1445
994	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
996	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
998	}	1462	}
999	}	1463	}
1000	}	1464	}
1001		1465
…		…
1011		1475
1012	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1014		1478
1015	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1016	Coro::cede;	1480	cf::cede_to_tick;
1017	}	1481	}
1018		1482
1019	sub new($) {	1483	sub new($) {
1020	my ($login) = @_;	1484	my ($login) = @_;
1021		1485
…		…
1027	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1028		1492
1029	$self	1493	$self
1030	}	1494	}
1031		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
		1504	}
		1505
1032	=item $pl->quit_character	1506	=item $pl->quit_character
1033		1507
1034	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1036		1510
1037	=cut	1511	=cut
1038		1512
1039	sub quit_character {	1513	sub quit_character {
1040	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1041		1517
1042	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1519	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1520
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1530	$pl->destroy;
		1531
		1532	my $prefix = qr<^~\Q$name\E/>;
		1533
		1534	# nuke player maps
		1535	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1536
1055	IO::AIO::aio_rmtree $temp;	1537	IO::AIO::aio_rmtree $temp;
		1538	}
		1539
		1540	=item $pl->kick
		1541
		1542	Kicks a player out of the game. This destroys the connection.
		1543
		1544	=cut
		1545
		1546	sub kick {
		1547	my ($pl, $kicker) = @_;
		1548
		1549	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1550	$pl->killer ("kicked");
		1551	$pl->ns->destroy;
1056	}	1552	}
1057		1553
1058	=item cf::player::list_logins	1554	=item cf::player::list_logins
1059		1555
1060	Returns am arrayref of all valid playernames in the system, can take a	1556	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1062		1558
1063	=cut	1559	=cut
1064		1560
1065	sub list_logins {	1561	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1563	or return [];
1068		1564
1069	my @logins;	1565	my @logins;
1070		1566
1071	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1075		1576
1076	utf8::decode $login;	1577	utf8::decode $login;
1077	push @logins, $login;	1578	push @logins, $login;
1078	}	1579	}
1079		1580
…		…
1106	}	1607	}
1107		1608
1108	\@paths	1609	\@paths
1109	}	1610	}
1110		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1112		1706
1113	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1114		1708
1115	=cut	1709	=cut
1116		1710
1117	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1119		1713
1120	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1715	}
1124		1716
1125	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		1724	my ($self, $type, @msg) = @_;
		1725
		1726	$self->ns->ext_msg ($type, @msg);
		1727	}
		1728
		1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1126		1757
1127	=back	1758	=back
1128
1129		1759
1130	=head3 cf::map	1760	=head3 cf::map
1131		1761
1132	=over 4	1762	=over 4
1133		1763
…		…
1188	my ($self, $merge) = @_;	1818	my ($self, $merge) = @_;
1189		1819
1190	# we have to keep some variables in memory intact	1820	# we have to keep some variables in memory intact
1191	local $self->{path};	1821	local $self->{path};
1192	local $self->{load_path};	1822	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1823
1196	$self->SUPER::thawer_merge ($merge);	1824	$self->SUPER::thawer_merge ($merge);
1197	}	1825	}
1198		1826
1199	sub normalise {	1827	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1247	return $self;	1875	return $self;
1248	}	1876	}
1249	}	1877	}
1250		1878
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1880	()
1253	}	1881	}
1254		1882
1255	sub init {	1883	sub init {
1256	my ($self) = @_;	1884	my ($self) = @_;
…		…
1271		1899
1272	# the original (read-only) location	1900	# the original (read-only) location
1273	sub load_path {	1901	sub load_path {
1274	my ($self) = @_;	1902	my ($self) = @_;
1275		1903
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1904	"$MAPDIR/$self->{path}.map"
1277	}	1905	}
1278		1906
1279	# the temporary/swap location	1907	# the temporary/swap location
1280	sub save_path {	1908	sub save_path {
1281	my ($self) = @_;	1909	my ($self) = @_;
1282		1910
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1912	"$TMPDIR/$path.map"
1285	}	1913	}
1286		1914
1287	# the unique path, undef == no special unique path	1915	# the unique path, undef == no special unique path
1288	sub uniq_path {	1916	sub uniq_path {
1289	my ($self) = @_;	1917	my ($self) = @_;
1290		1918
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1920	"$UNIQUEDIR/$path"
1293	}	1921	}
1294		1922
1295	# and all this just because we cannot iterate over	1923	# and all this just because we cannot iterate over
1296	# all maps in C++...	1924	# all maps in C++...
1297	sub change_all_map_light {	1925	sub change_all_map_light {
…		…
1299		1927
1300	$_->change_map_light ($change)	1928	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1929	for grep $_->outdoor, values %cf::MAP;
1302	}	1930	}
1303		1931
		1932	sub decay_objects {
		1933	my ($self) = @_;
		1934
		1935	return if $self->{deny_reset};
		1936
		1937	$self->do_decay_objects;
		1938	}
		1939
1304	sub unlink_save {	1940	sub unlink_save {
1305	my ($self) = @_;	1941	my ($self) = @_;
1306		1942
1307	utf8::encode (my $save = $self->save_path);	1943	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1944	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1945	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1946	}
1316		1947
1317	sub load_header_from($) {	1948	sub load_header_from($) {
1318	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1319		1950
1320	utf8::encode $path;	1951	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1953	or return;
		1954
		1955	$self->_load_header ($f)
		1956	or return;
		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
1326		1960
1327	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1328		1962
1329	1	1963	1
1330	}	1964	}
…		…
1369	$self->load_header_orig	2003	$self->load_header_orig
1370	or return;	2004	or return;
1371	$self->prepare_orig;	2005	$self->prepare_orig;
1372	}	2006	}
1373		2007
		2008	$self->{deny_reset} = 1
		2009	if $self->no_reset;
		2010
		2011	$self->default_region (cf::region::find_by_path $self->{path})
		2012	unless $self->default_region;
		2013
1374	1	2014	1
1375	}	2015	}
1376		2016
1377	sub find;	2017	sub find;
1378	sub find {	2018	sub find {
1379	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1380		2020
1381	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1382		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1384		2025
1385	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1387	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1388	or return;	2031	or return;
1389		2032
1390	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1391		2034
1392	$map->load_header	2035	$map->load_header
1393	or return;	2036	or return;
1394		2037
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1398	$map->reset;	2043	$map->reset;
1399	undef $guard;
1400	return find $path;	2044	return find $path;
1401	}	2045	}
1402		2046
1403	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1404	}	2048	}
…		…
1411	my ($self) = @_;	2055	my ($self) = @_;
1412		2056
1413	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1414		2058
1415	my $path = $self->{path};	2059	my $path = $self->{path};
		2060
		2061	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1417		2063
		2064	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2066
1420	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1421		2068
1422	$self->alloc;	2069	$self->alloc;
1423		2070
1424	$self->pre_load;	2071	$self->pre_load;
		2072	cf::cede_to_tick;
1425		2073
1426	$self->_load_objects ($self->{load_path}, 1)	2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
		2076	$self->_load_objects ($f)
1427	or return;	2077	or return;
1428		2078
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};	2080	if delete $self->{load_original};
1431		2081
1432	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2083	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2086	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1437	}	2090	}
1438	}	2091	}
1439		2092
1440	Coro::cede;	2093	$f->resolve_delayed_derefs;
1441		2094
		2095	cf::cede_to_tick;
1442	# now do the right thing for maps	2096	# now do the right thing for maps
1443	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2099	unless $self->difficulty;
1453	Coro::cede;	2100	cf::cede_to_tick;
		2101
		2102	unless ($self->{deny_activate}) {
		2103	$self->decay_objects;
		2104	$self->fix_auto_apply;
		2105	$self->update_buttons;
		2106	cf::cede_to_tick;
		2107	$self->set_darkness_map;
		2108	cf::cede_to_tick;
1454	$self->activate;	2109	$self->activate;
		2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
		2114
		2115	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	2116	}
1456		2117
1457	$self->post_load;	2118	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2119	}
1461		2120
1462	sub customise_for {	2121	sub customise_for {
1463	my ($self, $ob) = @_;	2122	my ($self, $ob) = @_;
1464		2123
1465	return find "~" . $ob->name . "/" . $self->{path}	2124	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2125	if $self->per_player;
1467		2126
		2127	# return find "?party/" . $ob->name . "/" . $self->{path}
		2128	# if $self->per_party;
		2129
1468	$self	2130	$self
1469	}	2131	}
1470		2132
1471	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2134	sub load_neighbours {
1473	my ($map) = @_;	2135	my ($map) = @_;
1474		2136
1475	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1476		2138
1477	for (0 .. 3) {	2139	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1479	or next;	2141	or next;
1480	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1481	or next;	2143	or next;
1482	$neigh->load;	2144	$neigh->load;
1483		2145
		2146	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2149	}
1487		2150
1488	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1490	or next;	2154	or next;
1491	$neigh->load;	2155	$neigh->load;
1492	}	2156	}
1493	}	2157	}
1494		2158
…		…
1499	}	2163	}
1500		2164
1501	sub do_load_sync {	2165	sub do_load_sync {
1502	my ($map) = @_;	2166	my ($map) = @_;
1503		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1504	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1505	}	2172	}
1506		2173
1507	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1509		2176
1510	sub find_async {	2177	sub find_async {
1511	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1512		2179
1513	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1514		2181
1515	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1517	}	2184	}
1518		2185
1519	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1520	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1521	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2193	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2194	$map->load if $v;
		2195	}
1526		2196
1527	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1528	}	2198	}
1529	}	2199	}
1530	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1531	};	2201	};
1532	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2205	}
1536		2206
1537	sub save {	2207	sub save {
1538	my ($self) = @_;	2208	my ($self) = @_;
1539		2209
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2211
1542	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1543		2213
1544	return unless $self->dirty;	2214	return unless $self->dirty;
1545		2215
…		…
1551	return if $self->{deny_save};	2221	return if $self->{deny_save};
1552		2222
1553	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1554		2224
1555	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1557	};	2228	};
1558		2229
1559	if ($uniq) {	2230	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1568	my ($self) = @_;	2239	my ($self) = @_;
1569		2240
1570	# save first because save cedes	2241	# save first because save cedes
1571	$self->save;	2242	$self->save;
1572		2243
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2245
1575	return if $self->players;	2246	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};	2248	return if $self->{deny_save};
1578		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2254	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2255	}
1582		2256
1583	sub reset_at {	2257	sub reset_at {
1584	my ($self) = @_;	2258	my ($self) = @_;
1585		2259
1586	# TODO: safety, remove and allow resettable per-player maps	2260	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2261	return 1e99 if $self->{deny_reset};
1589		2262
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2265
…		…
1603	my ($self) = @_;	2276	my ($self) = @_;
1604		2277
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2279
1607	return if $self->players;	2280	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2281
1610	warn "resetting map ", $self->path;#d#	2282	warn "resetting map ", $self->path;
1611		2283
1612	$self->in_memory (cf::MAP_SWAPPED);	2284	$self->in_memory (cf::MAP_SWAPPED);
1613		2285
1614	# need to save uniques path	2286	# need to save uniques path
1615	unless ($self->{deny_save}) {	2287	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2291	if $uniq;
1620	}	2292	}
1621		2293
1622	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1623		2295
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2298	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2299
1628	$self->unlink_save;	2300	$self->unlink_save;
1629	$self->destroy;	2301	$self->destroy;
1630	}	2302	}
1631		2303
1632	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1633		2305
1634	sub nuke {	2306	sub nuke {
1635	my ($self) = @_;	2307	my ($self) = @_;
1636		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1637	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
1638		2313
1639	$self->unlink_save;	2314	$self->unlink_save;
1640		2315
1641	bless $self, "cf::map";	2316	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2321
1647	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
1648		2324
1649	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
		2326	}
		2327
		2328	=item $maps = cf::map::tmp_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	maps. May block.
		2332
		2333	=cut
		2334
		2335	sub tmp_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise $_
		2341	: ()
		2342	} @{ aio_readdir $TMPDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item $maps = cf::map::random_maps
		2347
		2348	Returns an arrayref with all map paths of currently instantiated and saved
		2349	random maps. May block.
		2350
		2351	=cut
		2352
		2353	sub random_maps() {
		2354	[
		2355	map {
		2356	utf8::decode $_;
		2357	/\.map$/
		2358	? normalise "?random/$_"
		2359	: ()
		2360	} @{ aio_readdir $RANDOMDIR or [] }
		2361	]
1650	}	2362	}
1651		2363
1652	=item cf::map::unique_maps	2364	=item cf::map::unique_maps
1653		2365
1654	Returns an arrayref of paths of all shared maps that have	2366	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2367	instantiated unique items. May block.
1656		2368
1657	=cut	2369	=cut
1658		2370
1659	sub unique_maps() {	2371	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2372	[
1661	or return;	2373	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2374	utf8::decode $_;
1667	next if /\.pst$/;	2375	/\.map$/
1668	next unless /^$PATH_SEP/o;	2376	? normalise $_
1669		2377	: ()
1670	push @paths, cf::map::normalise $_;	2378	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2379	]
1672
1673	\@paths
1674	}	2380	}
1675
1676	package cf;
1677		2381
1678	=back	2382	=back
1679		2383
1680	=head3 cf::object	2384	=head3 cf::object
1681		2385
…		…
1696	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
1697	}	2401	}
1698		2402
1699	sub inv_recursive {	2403	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
1701	}	2433	}
1702		2434
1703	package cf;	2435	package cf;
1704		2436
1705	=back	2437	=back
…		…
1724		2456
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2458
1727	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
1729	} else {	2462	} else {
		2463	my $pl = $self->contr;
		2464
		2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2466	my $dialog = $pl->{npc_dialog};
		2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2468
		2469	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
1732	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
1733	}	2484	}
1734		2485
1735	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
1736		2487
1737	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
1784	$self->deactivate_recursive;	2535	$self->deactivate_recursive;
1785		2536
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2537	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2538
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2540	if $self->map && $self->map->{path} ne "{link}";
1790		2541
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2543	}
1793		2544
1794	sub cf::object::player::leave_link {	2545	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2546	my ($self, $map, $x, $y) = @_;
		2547
		2548	return unless $self->contr->active;
1796		2549
1797	my $link_pos = delete $self->{_link_pos};	2550	my $link_pos = delete $self->{_link_pos};
1798		2551
1799	unless ($map) {	2552	unless ($map) {
1800	# restore original map position	2553	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
1817		2570
1818	$map->load;	2571	$map->load;
1819	$map->load_diag;	2572	$map->load_neighbours;
1820		2573
1821	return unless $self->contr->active;	2574	return unless $self->contr->active;
1822	$self->activate_recursive;	2575	$self->activate_recursive;
1823		2576
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
1826	}	2579	}
1827		2580
1828	cf::player->attach (	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2582
1832	# abort map switching before logout	2583	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2584	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2585	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2586	the new (success) or old (failed) map position. In either case, $done will
1836	};	2587	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2588
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2589	=cut
		2590
		2591	our $GOTOGEN;
1863		2592
1864	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
		2595
		2596	# do generation counting so two concurrent goto's will be executed in-order
		2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2598
1867	$self->enter_link;	2599	$self->enter_link;
1868		2600
1869	(async {	2601	(async {
		2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
1870	my $map = eval {	2623	my $map = eval {
1871	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
		2625
		2626	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2627	$map = $map->customise_for ($self);
		2628	$map = $check->($map) if $check && $map;
		2629	} else {
		2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
		2632
1873	$map	2633	$map
		2634	};
		2635
		2636	if ($@) {
		2637	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2638	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2639	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2640
		2641	if ($gen == $self->{_goto_generation}) {
		2642	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
		2644	}
		2645
		2646	$done->() if $done;
1878	})->prio (1);	2647	})->prio (1);
1879	}	2648	}
1880		2649
1881	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
1882		2651
…		…
1919	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
1920	}	2689	}
1921		2690
1922	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
1923		2692
1924	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
1927		2696
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2699	undef $fh;
1931	aio_rename "$meta~", $meta;	2700	aio_rename "$meta~", $meta;
…		…
1940		2709
1941	return unless $self->type == cf::PLAYER;	2710	return unless $self->type == cf::PLAYER;
1942		2711
1943	if ($exit->slaying eq "/!") {	2712	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2714	# the problem is that $exit might not survive long enough
		2715	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2716	cf::sync_job { prepare_random_map $exit };
1946	}	2717	}
1947		2718
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2720	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2721	my $sp = $exit->stats->sp;
1951		2722
1952	$self->enter_link;	2723	$self->enter_link;
1953		2724
		2725	# if exit is damned, update players death & WoR home-position
		2726	$self->contr->savebed ($slaying, $hp, $sp)
		2727	if $exit->flag (FLAG_DAMNED);
		2728
1954	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
1955	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2733	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
1958		2735
1959	1;	2736	1;
1960	}) {	2737	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2742
1966	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2744	$self->leave_link;
1968	}	2745	}
1969	})->prio (1);	2746	})->prio (1);
…		…
1982		2759
1983	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1985		2762
1986	utf8::encode $text;	2763	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2765	}
1989		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg);
		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
		2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2864	} else {
		2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
		2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
		2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2883	} else {
		2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2885	$self->send_packet ("drawinfo $color $msg")
		2886	}
		2887	}
		2888	}
		2889	}
		2890
		2891	=item $client->ext_msg ($type, @msg)
		2892
		2893	Sends an ext event to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_msg($$@) {
		2898	my ($self, $type, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
		2903	push @msg, msgtype => "event_$type";
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
		2924	}
1990		2925
1991	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
1992		2927
1993	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2931
1997	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2933	become reliable at some point in the future.
1999		2934
2000	=cut	2935	=cut
2001		2936
2002	sub cf::client::query {	2937	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2946	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2948
2014	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2016	}	2953	}
2017		2954
2018	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
2019	on_reply => sub {	2961	on_reply => sub {
2020	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2021		2963
2022	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2023	# get handled first	2965	# get handled first
…		…
2035	} else {	2977	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2979	}
2038	}	2980	}
2039	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
2040	);	3008	);
2041		3009
2042	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2043		3011
2044	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2087		3055
2088	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2089		3057
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2091		3063
2092	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2093		3065
2094	=pod	3066	=pod
2095		3067
2096	The following fucntions and emthods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2097		3069
2098	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2099	cf::object::player player	3074	cf::object::player
2100	cf::player peaceful	3075	player
2101	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2102		3082
2103	=cut	3083	=cut
2104		3084
2105	for (	3085	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
		3088	decrease_ob_nr destroy)],
2107	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2110	) {	3092	) {
2111	no strict 'refs';	3093	no strict 'refs';
…		…
2182	=back	3164	=back
2183		3165
2184	=cut	3166	=cut
2185		3167
2186	#############################################################################	3168	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3169	# the server's init and main functions
2260		3170
2261	sub load_resources {	3171	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3172	my ($path) = @_;
		3173
		3174	# HACK to clear player env face cache, we need some signal framework
		3175	# for this (global event?)
		3176	%ext::player_env::MUSIC_FACE_CACHE = ();
		3177
		3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3179
		3180	warn "loading facedata from $path\n";
		3181
		3182	my $facedata;
		3183	0 < aio_load $path, $facedata
		3184	or die "$path: $!";
		3185
		3186	$facedata = Coro::Storable::thaw $facedata;
		3187
		3188	$facedata->{version} == 2
		3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3190
		3191	# patch in the exptable
		3192	$facedata->{resource}{"res/exp_table"} = {
		3193	type => FT_RSRC,
		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3195	};
		3196	cf::cede_to_tick;
		3197
		3198	{
		3199	my $faces = $facedata->{faceinfo};
		3200
		3201	while (my ($face, $info) = each %$faces) {
		3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3203
		3204	cf::face::set_visibility $idx, $info->{visibility};
		3205	cf::face::set_magicmap $idx, $info->{magicmap};
		3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3208
		3209	cf::cede_to_tick;
		3210	}
		3211
		3212	while (my ($face, $info) = each %$faces) {
		3213	next unless $info->{smooth};
		3214
		3215	my $idx = cf::face::find $face
		3216	or next;
		3217
		3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
		3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3221	} else {
		3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3223	}
		3224
		3225	cf::cede_to_tick;
		3226	}
		3227	}
		3228
		3229	{
		3230	my $anims = $facedata->{animinfo};
		3231
		3232	while (my ($anim, $info) = each %$anims) {
		3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3234	cf::cede_to_tick;
		3235	}
		3236
		3237	cf::anim::invalidate_all; # d'oh
		3238	}
		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3274
		3275	1
		3276	}
		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3312	or die "unable to load regions file\n";
2264	}
2265		3313
2266	sub cfg_load {	3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	#d# NEED to laod twice to resolve forward references
		3329	# this really needs to be done in an extra post-pass
		3330	# (which needs to be synchronous, so solve it differently)
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	}
		3334
		3335	sub reload_treasures {
		3336	load_resource_file "$DATADIR/treasures"
		3337	or die "unable to load treasurelists\n";
		3338	}
		3339
		3340	sub reload_resources {
		3341	warn "reloading resource files...\n";
		3342
		3343	reload_regions;
		3344	reload_facedata;
		3345	#reload_archetypes;#d#
		3346	reload_archetypes;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
		3350	}
		3351
		3352	sub init {
		3353	reload_resources;
		3354	}
		3355
		3356	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3358	or return;
2269		3359
2270	local $/;	3360	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2272		3362
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3364
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3372	};
2283	warn $@ if $@;	3373	warn $@ if $@;
2284	}	3374	}
2285	}	3375	}
2286		3376
2287	sub init {
2288	load_resources;
2289	}
2290
2291	sub main {	3377	sub main {
2292	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3381	(async {
2296	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2298	};	3385	};
2299		3386
2300	cfg_load;	3387	reload_config;
2301	db_init;	3388	db_init;
2302	load_extensions;	3389	load_extensions;
2303		3390
2304	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2305	Event::loop;	3393	EV::loop;
2306	}	3394	}
2307		3395
2308	#############################################################################	3396	#############################################################################
2309	# initialisation and cleanup	3397	# initialisation and cleanup
2310		3398
2311	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2312	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2321	},
2322	);	3405	};
		3406	}
		3407	}
		3408
		3409	sub write_runtime_sync {
		3410	my $runtime = "$LOCALDIR/runtime";
		3411
		3412	# first touch the runtime file to show we are still running:
		3413	# the fsync below can take a very very long time.
		3414
		3415	IO::AIO::aio_utime $runtime, undef, undef;
		3416
		3417	my $guard = cf::lock_acquire "write_runtime";
		3418
		3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3420	or return;
		3421
		3422	my $value = $cf::RUNTIME + 90 + 10;
		3423	# 10 is the runtime save interval, for a monotonic clock
		3424	# 60 allows for the watchdog to kill the server.
		3425
		3426	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3427	and return;
		3428
		3429	# always fsync - this file is important
		3430	aio_fsync $fh
		3431	and return;
		3432
		3433	# touch it again to show we are up-to-date
		3434	aio_utime $fh, undef, undef;
		3435
		3436	close $fh
		3437	or return;
		3438
		3439	aio_rename "$runtime~", $runtime
		3440	and return;
		3441
		3442	warn "runtime file written.\n";
		3443
2323	}	3444	1
		3445	}
		3446
		3447	our $uuid_lock;
		3448	our $uuid_skip;
		3449
		3450	sub write_uuid_sync($) {
		3451	$uuid_skip ||= $_[0];
		3452
		3453	return if $uuid_lock;
		3454	local $uuid_lock = 1;
		3455
		3456	my $uuid = "$LOCALDIR/uuid";
		3457
		3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3459	or return;
		3460
		3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3462	$uuid_skip = 0;
		3463
		3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3465	and return;
		3466
		3467	# always fsync - this file is important
		3468	aio_fsync $fh
		3469	and return;
		3470
		3471	close $fh
		3472	or return;
		3473
		3474	aio_rename "$uuid~", $uuid
		3475	and return;
		3476
		3477	warn "uuid file written ($value).\n";
		3478
		3479	1
		3480
		3481	}
		3482
		3483	sub write_uuid($$) {
		3484	my ($skip, $sync) = @_;
		3485
		3486	$sync ? write_uuid_sync $skip
		3487	: async { write_uuid_sync $skip };
2324	}	3488	}
2325		3489
2326	sub emergency_save() {	3490	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2328		3492
…		…
2334	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2336	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3504	$pl->save;
2340	}	3505	}
2341	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2342		3507
2343	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2349	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
2350		3515
2351	warn "begin emergency database checkpoint\n";	3516	warn "begin emergency database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3517	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3518	warn "end emergency database checkpoint\n";
		3519
		3520	warn "begin write uuid\n";
		3521	write_uuid_sync 1;
		3522	warn "end write uuid\n";
2354	};	3523	};
2355		3524
2356	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2357	}	3526	}
2358		3527
…		…
2361		3530
2362	warn Carp::longmess "post_cleanup backtrace"	3531	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3532	if $make_core;
2364	}	3533	}
2365		3534
2366	sub reload() {	3535	sub do_reload_perl() {
2367	# can/must only be called in main	3536	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3537	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3538	warn "can only reload from main coroutine";
2370	return;	3539	return;
2371	}	3540	}
…		…
2373	warn "reloading...";	3542	warn "reloading...";
2374		3543
2375	warn "entering sync_job";	3544	warn "entering sync_job";
2376		3545
2377	cf::sync_job {	3546	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark	3547	cf::write_runtime_sync; # external watchdog should not bark
2379	cf::emergency_save;	3548	cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark	3549	cf::write_runtime_sync; # external watchdog should not bark
2381		3550
2382	warn "syncing database to disk";	3551	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3552	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3553
2385	# if anything goes wrong in here, we should simply crash as we already saved	3554	# if anything goes wrong in here, we should simply crash as we already saved
2386
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391		3555
2392	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
2393	for (;;) {	3557	for (;;) {
2394	BDB::flush;	3558	BDB::flush;
2395	IO::AIO::flush;	3559	IO::AIO::flush;
2396	Coro::cede;	3560	Coro::cede_notself;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3561	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3562	warn "iterate...";
2399	}	3563	}
		3564
		3565	++$RELOAD;
2400		3566
2401	warn "cancelling all extension coros";	3567	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3568	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3569	%EXT_CORO = ();
2404		3570
2405	warn "removing commands";	3571	warn "removing commands";
2406	%COMMAND = ();	3572	%COMMAND = ();
2407		3573
2408	warn "removing ext commands";	3574	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3575	%EXTCMD = ();
		3576	%EXTICMD = ();
2410		3577
2411	warn "unloading/nuking all extensions";	3578	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3579	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3580	warn "... unloading $pkg";
2414		3581
…		…
2444	Symbol::delete_package "safe::$_"	3611	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3612	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3613
2447	warn "unloading cf.pm \"a bit\"";	3614	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3615	delete $INC{"cf.pm"};
		3616	delete $INC{"cf/pod.pm"};
2449		3617
2450	# don't, removes xs symbols, too,	3618	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3619	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3620	#Symbol::delete_package __PACKAGE__;
2453		3621
…		…
2456	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
2457	require cf;	3625	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3627
2460	warn "loading config and database again";	3628	warn "loading config and database again";
2461	cf::cfg_load;	3629	cf::reload_config;
2462		3630
2463	warn "loading extensions";	3631	warn "loading extensions";
2464	cf::load_extensions;	3632	cf::load_extensions;
2465		3633
2466	warn "reattaching attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3635	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3636	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3637	reattach $_ for values %MAP;
2470		3638	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3639	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3640
2474	warn "leaving sync_job";	3641	warn "leaving sync_job";
2475		3642
2476	1	3643	1
2477	} or do {	3644	} or do {
2478	warn $@;	3645	warn $@;
2479	warn "error while reloading, exiting.";	3646	cf::cleanup "error while reloading, exiting.";
2480	exit 1;
2481	};	3647	};
2482		3648
2483	warn "reloaded";	3649	warn "reloaded";
2484	};	3650	};
2485		3651
2486	our $RELOAD_WATCHER; # used only during reload	3652	our $RELOAD_WATCHER; # used only during reload
2487		3653
		3654	sub reload_perl() {
		3655	# doing reload synchronously and two reloads happen back-to-back,
		3656	# coro crashes during coro_state_free->destroy here.
		3657
		3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3659	do_reload_perl;
		3660	undef $RELOAD_WATCHER;
		3661	};
		3662	}
		3663
2488	register_command "reload" => sub {	3664	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
2490		3666
2491	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3668	$who->message ("reloading server.");
2493		3669	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3670	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3671	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3672	};
2506	}	3673	}
2507	};	3674	};
2508		3675
2509	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
2510		3677
2511	my $bug_warning = 0;	3678	my $bug_warning = 0;
2512		3679
2513	$TICK_WATCHER = Event->timer (	3680	our @WAIT_FOR_TICK;
2514	reentrant => 0,	3681	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	3682
2516	prio => 0,	3683	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	3684	return if tick_inhibit;
2518	data => WF_AUTOCANCEL,	3685	return if $Coro::current == $Coro::main;
2519	cb => sub {	3686
		3687	my $signal = new Coro::Signal;
		3688	push @WAIT_FOR_TICK, $signal;
		3689	$signal->wait;
		3690	}
		3691
		3692	sub wait_for_tick_begin {
		3693	return if tick_inhibit;
		3694	return if $Coro::current == $Coro::main;
		3695
		3696	my $signal = new Coro::Signal;
		3697	push @WAIT_FOR_TICK_BEGIN, $signal;
		3698	$signal->wait;
		3699	}
		3700
		3701	sub tick {
2520	if ($Coro::current != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
2523	return;	3705	return;
2524	}	3706	}
2525		3707
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		3709
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	3712	Coro::async_pool {
		3713	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	3714	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	3715	or warn "ERROR: unable to write runtime file: $!";
2537	};
2538	}	3716	};
2539
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	3717	}
2553	);	3718
		3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3720	$sig->send;
		3721	}
		3722	while (my $sig = shift @WAIT_FOR_TICK) {
		3723	$sig->send;
		3724	}
		3725
		3726	$LOAD = ($NOW - $TICK_START) / $TICK;
		3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3728
		3729	if (0) {
		3730	if ($NEXT_TICK) {
		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
		3735	}
		3736	}
2554		3737
2555	{	3738	{
2556	BDB::max_poll_time $TICK * 0.1;	3739	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	3740
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	3741	BDB::min_parallel 8;
2566		3742	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	3743	$Coro::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		3744
2582	unless ($DB_ENV) {	3745	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	3746	$DB_ENV = BDB::db_env_create;
		3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3748	| BDB::LOG_AUTOREMOVE, 1);
		3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		3751
2585	cf::sync_job {	3752	cf::sync_job {
2586	eval {	3753	eval {
2587	BDB::db_env_open	3754	BDB::db_env_open
2588	$DB_ENV,	3755	$DB_ENV,
2589	$BDB_ENV_DIR,	3756	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3757	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3759	0666;
2593		3760
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3761	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	3762	};
2599		3763
2600	cf::cleanup "db_env_open(db): $@" if $@;	3764	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	3765	};
2602	}	3766	}
		3767
		3768	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3769	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3770	};
		3771	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3772	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3773	};
		3774	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3775	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3776	};
2603	}	3777	}
2604		3778
2605	{	3779	{
		3780	# configure IO::AIO
		3781
2606	IO::AIO::min_parallel 8;	3782	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	3783	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	3784	$Coro::AIO::WATCHER->priority (1);
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	3785	}
		3786
		3787	my $_log_backtrace;
		3788
		3789	sub _log_backtrace {
		3790	my ($msg, @addr) = @_;
		3791
		3792	$msg =~ s/\n//;
		3793
		3794	# limit the # of concurrent backtraces
		3795	if ($_log_backtrace < 2) {
		3796	++$_log_backtrace;
		3797	async {
		3798	$Coro::current->{desc} = "abt $msg";
		3799
		3800	my @bt = fork_call {
		3801	@addr = map { sprintf "%x", $_ } @addr;
		3802	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3803	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3804	or die "addr2line: $!";
		3805
		3806	my @funcs;
		3807	my @res = <$fh>;
		3808	chomp for @res;
		3809	while (@res) {
		3810	my ($func, $line) = splice @res, 0, 2, ();
		3811	push @funcs, "[$func] $line";
		3812	}
		3813
		3814	@funcs
		3815	};
		3816
		3817	LOG llevInfo, "[ABT] $msg\n";
		3818	LOG llevInfo, "[ABT] $_\n" for @bt;
		3819	--$_log_backtrace;
		3820	};
		3821	} else {
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] [suppressed]\n";
		3824	}
		3825	}
		3826
		3827	# load additional modules
		3828	use cf::pod;
2619		3829
2620	END { cf::emergency_save }	3830	END { cf::emergency_save }
2621		3831
2622	1	3832	1
2623		3833

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