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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 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;
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 3.3 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	IO::AIO::max_poll_reqs 1;#d#
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
53		108
54	our %CFG;	109	our %CFG;
55		110
56	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
58		114
59	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		118
67	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
70	binmode STDOUT;	127	binmode STDOUT;
71	binmode STDERR;	128	binmode STDERR;
72		129
73	# read virtual server time, if available	130	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
78	}	135	}
79		136
80	mkdir cf::localdir;	137	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		139
86	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
87		143
88	#############################################################################	144	#############################################################################
89		145
90	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
91		147
…		…
98	=item $cf::RUNTIME	154	=item $cf::RUNTIME
99		155
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	157	every server tick.
102		158
103	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		162
105	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
107		167
108	=item $cf::NOW	168	=item $cf::NOW
109		169
110	The time of the last (current) server tick.	170	The time of the last (current) server tick.
111		171
112	=item $cf::TICK	172	=item $cf::TICK
113		173
114	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
115		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
116	=item %cf::CFG	186	=item %cf::CFG
117		187
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	189	from wherever your confdir points to.
120		190
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		192
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
127		202
128	=back	203	=back
129		204
130	=cut	205	=cut
131		206
132	BEGIN {	207	BEGIN {
133	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	209	my $msg = join "", @_;
135	utf8::encode $msg;
136		210
137	$msg .= "\n"	211	$msg .= "\n"
138	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
139		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
140	LOG llevError, $msg;	216	LOG llevError, $msg;
141	};	217	};
142	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
143		234
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		242
151	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	244	# within the Safe compartment.
153	for my $pkg (qw(	245	for my $pkg (qw(
154	cf::global cf::attachable	246	cf::global cf::attachable
…		…
159	)) {	251	)) {
160	no strict 'refs';	252	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	254	}
163		255
164	$Event::DIED = sub {	256	$EV::DIED = sub {
165	warn "error in event callback: @_";	257	warn "error in event callback: @_";
166	};	258	};
		259
		260	#############################################################################
167		261
168	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
169		263
170	=over 4	264	=over 4
171		265
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	285	$d
192	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
193	}	287	}
194		288
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
198		290
199	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
200		292
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
209		294
210	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
211		296
212	=cut	297	=cut
213		298
214	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
216	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
218		303
219	=item cf::lock_wait $string	304	=item cf::lock_wait $string
220		305
221	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
222		307
…		…
225	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
228	returned.	313	returned.
229		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
230	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
232		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
233	=cut	325	=cut
234		326
235	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
236		329
237	sub lock_wait($) {	330	sub lock_wait($) {
238	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
239		337
240	# wait for lock, if any	338	# wait for lock, if any
241	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	341	Coro::schedule;
…		…
249		347
250	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
251	lock_wait $key;	349	lock_wait $key;
252		350
253	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
254		353
255	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
258	}	358	}
259	}	359	}
260		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
261	sub freeze_mainloop {	367	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
263		369
264	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	371	}
266	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
267	};	431	}
268	$WRITE_RUNTIME_WATCHER->stop;	432	};
269	$TICK_WATCHER->stop;	433
270	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		536
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
352	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
353		541
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		543
358	aio_fsync $fh	544	sub fork_call(&@) {
359	and return;	545	my ($cb, @args) = @_;
360		546
361	close $fh	547	# we seemingly have to make a local copy of the whole thing,
362	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
363		550
364	aio_rename "$runtime~", $runtime	551	my @res = Coro::Util::fork_eval {
365	and return;	552	reset_signals;
		553	&$cb
		554	}, @args;
366		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
367	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	722	}
369		723
370	=back	724	=back
371		725
372	=cut	726	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
381		735
382	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	738	Deliantra).
385		739
386	=over 4	740	=over 4
387		741
388	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
389		743
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	858	our @CB_MAP = ();
505		859
506	my %attachment;	860	my %attachment;
507		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
508	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
510		870
511	use sort 'stable';	871	use sort 'stable';
512		872
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
547		907
548	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		912
553	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	914	my $pkg = shift @arg;
555		915
556	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
586	}	946	}
587		947
588	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
589	} else {	949	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	951	}
592		952
593	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
594	}	954	}
595		955
…		…
597	if (ref $_[0]) {	957	if (ref $_[0]) {
598	_object_attach @_;	958	_object_attach @_;
599	} else {	959	} else {
600	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
601	}	961	}
		962	_recalc_want;
602	};	963	};
603		964
604	# all those should be optimised	965	# all those should be optimised
605	sub cf::attachable::detach {	966	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
610	reattach ($obj);	971	reattach ($obj);
611	} else {	972	} else {
612	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
613	}	974	}
		975	_recalc_want;
614	};	976	};
615		977
616	sub cf::attachable::attached {	978	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
618		980
…		…
633	";	995	";
634	die if $@;	996	die if $@;
635	}	997	}
636		998
637	our $override;	999	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1001
640	sub override {	1002	sub override {
641	$override = 1;	1003	$override = 1;
642	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
643	}	1005	}
644		1006
645	sub do_invoke {	1007	sub do_invoke {
646	my $event = shift;	1008	my $event = shift;
647	my $callbacks = shift;	1009	my $callbacks = shift;
648		1010
649	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
650		1012
651	local $override;	1013	local $override;
652		1014
653	for (@$callbacks) {	1015	for (@$callbacks) {
654	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
663	}	1025	}
664		1026
665	0	1027	0
666	}	1028	}
667		1029
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1031
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1033
672	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
673		1035
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1039
678	=back	1040	=back
679		1041
680	=cut	1042	=cut
681		1043
682	#############################################################################	1044	#############################################################################
683	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
684		1088
685	sub reattach {	1089	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1091	my ($obj) = @_;
		1092
		1093	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1094
689	my $registry = $obj->registry;	1095	my $registry = $obj->registry;
690		1096
691	@$registry = ();	1097	@$registry = ();
692		1098
…		…
707	cf::attachable->attach (	1113	cf::attachable->attach (
708	prio => -1000000,	1114	prio => -1000000,
709	on_instantiate => sub {	1115	on_instantiate => sub {
710	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
711		1117
712	$data = from_json $data;	1118	$data = decode_json $data;
713		1119
714	for (@$data) {	1120	for (@$data) {
715	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
716		1122
717	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1139	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
735		1141
736	sync_job {	1142	sync_job {
737	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
740		1147
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1151	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1152	aio_close $fh;
746		1153
747	if (@$objs) {	1154	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1159	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1160	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
755	}	1162	}
756	} else {	1163	} else {
757	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
758	}	1165	}
…		…
763	}	1170	}
764	} else {	1171	} else {
765	aio_unlink $filename;	1172	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
767	}	1174	}
768	}	1175	};
769	}	1176	}
770		1177
771	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
773		1180
…		…
785	or return;	1192	or return;
786		1193
787	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
789	or return;	1196	or return;
		1197
790	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
791	}	1200	}
792		1201
		1202	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1204	$decname, length $data, scalar @{$av || []};
		1205
795	return ($data, $av);	1206	($data, $av)
796	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
797		1214
798	#############################################################################	1215	#############################################################################
799	# command handling &c	1216	# command handling &c
800		1217
801	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1232	}
816		1233
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1235
819	Register a callbackf ro execution when the client sends an extcmd packet.	1236	Register a callback for execution when the client sends an (synchronous)
		1237	extcmd packet. Ext commands will be processed in the order they are
		1238	received by the server, like other user commands. The first argument is
		1239	the logged-in player. Ext commands can only be processed after a player
		1240	has logged in successfully.
820		1241
821	If the callback returns something, it is sent back as if reply was being	1242	If the callback returns something, it is sent back as if reply was being
822	called.	1243	called.
823		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
824	=cut	1256	=cut
825		1257
826	sub register_extcmd {	1258	sub register_extcmd {
827	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
828		1260
829	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
830	}	1268	}
831		1269
832	cf::player->attach (	1270	cf::player->attach (
833	on_command => sub {	1271	on_command => sub {
834	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1281	cf::override;
844	},	1282	},
845	on_extcmd => sub {	1283	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
847		1285
848	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1287
850	if (ref $msg) {	1288	if (ref $msg) {
		1289	my ($type, $reply, @payload) =
		1290	"ARRAY" eq ref $msg
		1291	? @$msg
		1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1293
		1294	my @reply;
		1295
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
856	} else {	1303	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1305	}
859		1306
860	cf::override;	1307	cf::override;
861	},	1308	},
862	);	1309	);
863		1310
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
899	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1316	next unless -r $path;
901	eval {	1317
902	load_extension $ext;	1318	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1319	my $base = $1;
		1320	my $pkg = $1;
		1321	$pkg =~ s/[^[:word:]]/_/g;
		1322	$pkg = "ext::$pkg";
		1323
		1324	open my $fh, "<:utf8", $path
		1325	or die "$path: $!";
		1326
		1327	my $source = do { local $/; <$fh> };
		1328
		1329	my %ext = (
		1330	path => $path,
		1331	base => $base,
		1332	pkg => $pkg,
		1333	);
		1334
		1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1337
		1338	$ext{source} =
		1339	"package $pkg; use strict; use utf8;\n"
		1340	. "#line 1 \"$path\"\n{\n"
		1341	. $source
		1342	. "\n};\n1";
		1343
		1344	$todo{$base} = \%ext;
		1345	}
		1346
		1347	my %done;
		1348	while (%todo) {
		1349	my $progress;
		1350
		1351	while (my ($k, $v) = each %todo) {
		1352	for (split /,\s*/, $v->{meta}{depends}) {
		1353	goto skip
		1354	unless exists $done{$_};
		1355	}
		1356
		1357	warn "... loading '$k' into '$v->{pkg}'\n";
		1358
		1359	unless (eval $v->{source}) {
		1360	my $msg = $@ ? "$v->{path}: $@\n"
		1361	: "$v->{base}: extension inactive.\n";
		1362
		1363	if (exists $v->{meta}{mandatory}) {
		1364	warn $msg;
		1365	cf::cleanup "mandatory extension failed to load, exiting.";
		1366	}
		1367
		1368	warn $msg;
		1369	}
		1370
		1371	$done{$k} = delete $todo{$k};
		1372	push @EXTS, $v->{pkg};
		1373	$progress = 1;
903	1	1374	}
904	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
905	}	1380	};
906	}	1381	}
907		1382
908	#############################################################################	1383	#############################################################################
909		1384
		1385	=back
		1386
910	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
911		1388
912	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
913		1390
914	=cut	1391	=cut
…		…
919		1396
920	=head3 cf::player	1397	=head3 cf::player
921		1398
922	=over 4	1399	=over 4
923		1400
		1401	=item cf::player::num_playing
		1402
		1403	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1404
		1405	=cut
		1406
		1407	sub num_playing {
		1408	scalar grep
		1409	$_->ob->map
		1410	&& !$_->hidden
		1411	&& !$_->ob->flag (cf::FLAG_WIZ),
		1412	cf::player::list
		1413	}
		1414
924	=item cf::player::find $login	1415	=item cf::player::find $login
925		1416
926	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
927		1418
928	=cut	1419	=cut
929		1420
930	sub playerdir($) {	1421	sub playerdir($) {
931	cf::localdir	1422	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1423	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1424	}
937		1425
938	sub path($) {	1426	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1427	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1428
941	(playerdir $login) . "/$login.pl"	1429	(playerdir $login) . "/playerdata"
942	}	1430	}
943		1431
944	sub find_active($) {	1432	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1433	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1434	and $cf::PLAYER{$_[0]}->active
…		…
949		1437
950	sub exists($) {	1438	sub exists($) {
951	my ($login) = @_;	1439	my ($login) = @_;
952		1440
953	$cf::PLAYER{$login}	1441	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1442	or cf::sync_job { !aio_stat path $login }
955	}	1443	}
956		1444
957	sub find($) {	1445	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1446	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1447	my $login = $_[0];
960		1448
961	my $guard = cf::lock_acquire "user_find:$login";	1449	my $guard = cf::lock_acquire "user_find:$login";
962		1450
963	$cf::PLAYER{$_[0]} || do {	1451	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1452	# rename old playerfiles to new ones
		1453	#TODO: remove when no longer required
		1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1457	aio_unlink +(playerdir $login) . "/$login.pl";
		1458
		1459	my $f = new_from_file cf::object::thawer path $login
965	or return;	1460	or return;
		1461
		1462	my $pl = cf::player::load_pl $f
		1463	or return;
		1464
		1465	local $cf::PLAYER_LOADING{$login} = $pl;
		1466	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
967	}	1468	}
968	}	1469	}
969	}	1470	}
970		1471
…		…
979	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
980		1481
981	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
983		1484
		1485	cf::get_slot 0.01;
		1486
984	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
985	Coro::cede;	1488	cf::cede_to_tick;
986	}	1489	}
987		1490
988	sub new($) {	1491	sub new($) {
989	my ($login) = @_;	1492	my ($login) = @_;
990		1493
…		…
996	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
997		1500
998	$self	1501	$self
999	}	1502	}
1000		1503
		1504	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1505
		1506	=cut
		1507
		1508	sub send_msg {
		1509	my $ns = shift->ns
		1510	or return;
		1511	$ns->send_msg (@_);
		1512	}
		1513
1001	=item $pl->quit_character	1514	=item $pl->quit_character
1002		1515
1003	Nukes the player without looking back. If logged in, the connection will	1516	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1005		1518
1006	=cut	1519	=cut
1007		1520
1008	sub quit_character {	1521	sub quit_character {
1009	my ($pl) = @_;	1522	my ($pl) = @_;
1010		1523
		1524	my $name = $pl->ob->name;
		1525
1011	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1527	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1528
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1018		1535
1019	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1538	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1539	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1540	$pl->destroy;
		1541
		1542	my $prefix = qr<^~\Q$name\E/>;
		1543
		1544	# nuke player maps
		1545	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1546
1024	IO::AIO::aio_rmtree $temp;	1547	IO::AIO::aio_rmtree $temp;
		1548	}
		1549
		1550	=item $pl->kick
		1551
		1552	Kicks a player out of the game. This destroys the connection.
		1553
		1554	=cut
		1555
		1556	sub kick {
		1557	my ($pl, $kicker) = @_;
		1558
		1559	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1560	$pl->killer ("kicked");
		1561	$pl->ns->destroy;
1025	}	1562	}
1026		1563
1027	=item cf::player::list_logins	1564	=item cf::player::list_logins
1028		1565
1029	Returns am arrayref of all valid playernames in the system, can take a	1566	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1567	while and may block, so not sync_job-capable, ever.
1031		1568
1032	=cut	1569	=cut
1033		1570
1034	sub list_logins {	1571	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1572	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1573	or return [];
1037		1574
1038	my @logins;	1575	my @logins;
1039		1576
1040	for my $login (@$dirs) {	1577	for my $login (@$dirs) {
		1578	my $path = path $login;
		1579
		1580	# a .pst is a dead give-away for a valid player
		1581	# if no pst file found, open and chekc for blocked users
		1582	if (aio_stat "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1044		1587
1045	utf8::decode $login;	1588	utf8::decode $login;
1046	push @logins, $login;	1589	push @logins, $login;
1047	}	1590	}
1048		1591
…		…
1056		1599
1057	=cut	1600	=cut
1058		1601
1059	sub maps($) {	1602	sub maps($) {
1060	my ($pl) = @_;	1603	my ($pl) = @_;
		1604
		1605	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1606
1062	my $files = aio_readdir playerdir $pl	1607	my $files = aio_readdir playerdir $pl
1063	or return;	1608	or return;
1064		1609
1065	my @paths;	1610	my @paths;
…		…
1067	for (@$files) {	1612	for (@$files) {
1068	utf8::decode $_;	1613	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1614	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1615	next unless /^$PATH_SEP/o;
1071		1616
1072	s/\.map$//;	1617	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1618	}
1075		1619
1076	\@paths	1620	\@paths
1077	}	1621	}
1078		1622
		1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1624
		1625	Expand crossfire pod fragments into protocol xml.
		1626
		1627	=cut
		1628
		1629	use re 'eval';
		1630
		1631	my $group;
		1632	my $interior; $interior = qr{
		1633	# match a pod interior sequence sans C<< >>
		1634	(?:
		1635	\ (.*?)\ (?{ $group = $^N })
		1636	| < (??{$interior}) >
		1637	)
		1638	}x;
		1639
		1640	sub expand_cfpod {
		1641	my ($self, $pod) = @_;
		1642
		1643	my $xml;
		1644
		1645	while () {
		1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1647	$group = $1;
		1648
		1649	$group =~ s/&/&amp;/g;
		1650	$group =~ s/</&lt;/g;
		1651
		1652	$xml .= $group;
		1653	} elsif ($pod =~ m%\G
		1654	([BCGHITU])
		1655	<
		1656	(?:
		1657	([^<>]*) (?{ $group = $^N })
		1658	| < $interior >
		1659	)
		1660	>
		1661	%gcsx
		1662	) {
		1663	my ($code, $data) = ($1, $group);
		1664
		1665	if ($code eq "B") {
		1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1667	} elsif ($code eq "I") {
		1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1669	} elsif ($code eq "U") {
		1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1671	} elsif ($code eq "C") {
		1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1673	} elsif ($code eq "T") {
		1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1675	} elsif ($code eq "G") {
		1676	my ($male, $female) = split /\|/, $data;
		1677	$data = $self->gender ? $female : $male;
		1678	$xml .= expand_cfpod ($self, $data);
		1679	} elsif ($code eq "H") {
		1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1682	"")
		1683	[$self->{hintmode}];
		1684	} else {
		1685	$xml .= "error processing '$code($data)' directive";
		1686	}
		1687	} else {
		1688	if ($pod =~ /\G(.+)/) {
		1689	warn "parse error while expanding $pod (at $1)";
		1690	}
		1691	last;
		1692	}
		1693	}
		1694
		1695	for ($xml) {
		1696	# create single paragraphs (very hackish)
		1697	s/(?<=\S)\n(?=\w)/ /g;
		1698
		1699	# compress some whitespace
		1700	s/\s+\n/\n/g; # ws line-ends
		1701	s/\n\n+/\n/g; # double lines
		1702	s/^\n+//; # beginning lines
		1703	s/\n+$//; # ending lines
		1704	}
		1705
		1706	$xml
		1707	}
		1708
		1709	no re 'eval';
		1710
		1711	sub hintmode {
		1712	$_[0]{hintmode} = $_[1] if @_ > 1;
		1713	$_[0]{hintmode}
		1714	}
		1715
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1080		1717
1081	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1082		1719
1083	=cut	1720	=cut
1084		1721
1085	sub ext_reply($$$%) {	1722	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1087		1724
1088	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1726	}
1092		1727
1093	package cf;	1728	=item $player->ext_msg ($type, @msg)
		1729
		1730	Sends an ext event to the client.
		1731
		1732	=cut
		1733
		1734	sub ext_msg($$@) {
		1735	my ($self, $type, @msg) = @_;
		1736
		1737	$self->ns->ext_msg ($type, @msg);
		1738	}
		1739
		1740	=head3 cf::region
		1741
		1742	=over 4
		1743
		1744	=cut
		1745
		1746	package cf::region;
		1747
		1748	=item cf::region::find_by_path $path
		1749
		1750	Tries to decuce the likely region for a map knowing only its path.
		1751
		1752	=cut
		1753
		1754	sub find_by_path($) {
		1755	my ($path) = @_;
		1756
		1757	my ($match, $specificity);
		1758
		1759	for my $region (list) {
		1760	if ($region->{match} && $path =~ $region->{match}) {
		1761	($match, $specificity) = ($region, $region->specificity)
		1762	if $region->specificity > $specificity;
		1763	}
		1764	}
		1765
		1766	$match
		1767	}
1094		1768
1095	=back	1769	=back
1096
1097		1770
1098	=head3 cf::map	1771	=head3 cf::map
1099		1772
1100	=over 4	1773	=over 4
1101		1774
…		…
1105		1778
1106	use Fcntl;	1779	use Fcntl;
1107	use Coro::AIO;	1780	use Coro::AIO;
1108		1781
1109	use overload	1782	use overload
1110	'""' => \&as_string;	1783	'""' => \&as_string,
		1784	fallback => 1;
1111		1785
1112	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1114		1788
1115	sub generate_random_map {	1789	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1790	my ($self, $rmp) = @_;
		1791
		1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1793
1118	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1795	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1805	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1806	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1807	)
1132	}	1808	}
1133		1809
		1810	=item cf::map->register ($regex, $prio)
		1811
		1812	Register a handler for the map path matching the given regex at the
		1813	givne priority (higher is better, built-in handlers have priority 0, the
		1814	default).
		1815
		1816	=cut
		1817
1134	sub register {	1818	sub register {
1135	my (undef, $regex) = @_;	1819	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1820	my $pkg = caller;
1137		1821
1138	no strict;	1822	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1823	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1824
1141	$EXT_MAP{$pkg} = qr<$regex>;	1825	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1826	}
1143		1827
1144	# also paths starting with '/'	1828	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1829	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1830
		1831	sub thawer_merge {
		1832	my ($self, $merge) = @_;
		1833
		1834	# we have to keep some variables in memory intact
		1835	local $self->{path};
		1836	local $self->{load_path};
		1837
		1838	$self->SUPER::thawer_merge ($merge);
		1839	}
1146		1840
1147	sub normalise {	1841	sub normalise {
1148	my ($path, $base) = @_;	1842	my ($path, $base) = @_;
		1843
		1844	$path = "$path"; # make sure its a string
		1845
		1846	$path =~ s/\.map$//;
1149		1847
1150	# map plan:	1848	# map plan:
1151	#	1849	#
1152	# /! non-realised random map exit (special hack!)	1850	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1851	# {... are special paths that are not being touched
…		…
1181		1879
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1880	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1881
1184	$path = normalise $path, $base;	1882	$path = normalise $path, $base;
1185		1883
1186	for my $pkg (keys %EXT_MAP) {	1884	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1885	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1886	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1887	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1191	return $self;	1889	return $self;
1192	}	1890	}
1193	}	1891	}
1194		1892
1195	Carp::carp "unable to resolve path '$path'.";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1894	()
1197	}	1895	}
1198		1896
1199	sub init {	1897	sub init {
1200	my ($self) = @_;	1898	my ($self) = @_;
…		…
1215		1913
1216	# the original (read-only) location	1914	# the original (read-only) location
1217	sub load_path {	1915	sub load_path {
1218	my ($self) = @_;	1916	my ($self) = @_;
1219		1917
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1918	"$MAPDIR/$self->{path}.map"
1221	}	1919	}
1222		1920
1223	# the temporary/swap location	1921	# the temporary/swap location
1224	sub save_path {	1922	sub save_path {
1225	my ($self) = @_;	1923	my ($self) = @_;
1226		1924
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1926	"$TMPDIR/$path.map"
1229	}	1927	}
1230		1928
1231	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1232	sub uniq_path {	1930	sub uniq_path {
1233	my ($self) = @_;	1931	my ($self) = @_;
1234		1932
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1934	"$UNIQUEDIR/$path"
1237	}	1935	}
1238		1936
1239	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1240	# all maps in C++...	1938	# all maps in C++...
1241	sub change_all_map_light {	1939	sub change_all_map_light {
…		…
1243		1941
1244	$_->change_map_light ($change)	1942	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1943	for grep $_->outdoor, values %cf::MAP;
1246	}	1944	}
1247		1945
		1946	sub decay_objects {
		1947	my ($self) = @_;
		1948
		1949	return if $self->{deny_reset};
		1950
		1951	$self->do_decay_objects;
		1952	}
		1953
1248	sub unlink_save {	1954	sub unlink_save {
1249	my ($self) = @_;	1955	my ($self) = @_;
1250		1956
1251	utf8::encode (my $save = $self->save_path);	1957	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1960	}
1255		1961
1256	sub load_header_from($) {	1962	sub load_header_from($) {
1257	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1258		1964
1259	utf8::encode $path;	1965	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1261	or return;	1967	or return;
1262		1968
1263	$self->_load_header ($path)	1969	$self->_load_header ($f)
1264	or return;	1970	or return;
1265		1971
		1972	local $MAP_LOADING{$self->{path}} = $self;
		1973	$f->resolve_delayed_derefs;
		1974
1266	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1267		1976
1268	1	1977	1
1269	}	1978	}
1270		1979
1271	sub load_orig {	1980	sub load_header_orig {
1272	my ($self) = @_;	1981	my ($self) = @_;
1273		1982
1274	$self->load_header_from ($self->load_path)	1983	$self->load_header_from ($self->load_path)
1275	}	1984	}
1276		1985
1277	sub load_temp {	1986	sub load_header_temp {
1278	my ($self) = @_;	1987	my ($self) = @_;
1279		1988
1280	$self->load_header_from ($self->save_path)	1989	$self->load_header_from ($self->save_path)
		1990	}
		1991
		1992	sub prepare_temp {
		1993	my ($self) = @_;
		1994
		1995	$self->last_access ((delete $self->{last_access})
		1996	|| $cf::RUNTIME); #d#
		1997	# safety
		1998	$self->{instantiate_time} = $cf::RUNTIME
		1999	if $self->{instantiate_time} > $cf::RUNTIME;
		2000	}
		2001
		2002	sub prepare_orig {
		2003	my ($self) = @_;
		2004
		2005	$self->{load_original} = 1;
		2006	$self->{instantiate_time} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008	$self->instantiate;
1281	}	2009	}
1282		2010
1283	sub load_header {	2011	sub load_header {
1284	my ($self) = @_;	2012	my ($self) = @_;
1285		2013
1286	if ($self->load_temp) {	2014	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2015	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2016	} else {
1293	$self->load_orig	2017	$self->load_header_orig
1294	or return;	2018	or return;
1295		2019	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2020	}
		2021
		2022	$self->{deny_reset} = 1
		2023	if $self->no_reset;
		2024
		2025	$self->default_region (cf::region::find_by_path $self->{path})
		2026	unless $self->default_region;
1301		2027
1302	1	2028	1
1303	}	2029	}
1304		2030
1305	sub find;	2031	sub find;
1306	sub find {	2032	sub find {
1307	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1308		2034
1309	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1310		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1312		2039
1313	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1314	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1315	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1316	or return;	2045	or return;
1317		2046
1318	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1319		2048
1320	$map->load_header	2049	$map->load_header
1321	or return;	2050	or return;
1322		2051
1323	if ($map->should_reset) {	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2053	# doing this can freeze the server in a sync job, obviously
		2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1324	$map->reset;	2057	$map->reset;
1325	undef $guard;
1326	$map = find $path	2058	return find $path;
1327	or return;
1328	}	2059	}
1329		2060
1330	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1331	}	2062	}
1332	}	2063	}
		2064
		2065	sub pre_load { }
		2066	sub post_load { }
1333		2067
1334	sub load {	2068	sub load {
1335	my ($self) = @_;	2069	my ($self) = @_;
1336		2070
		2071	local $self->{deny_reset} = 1; # loading can take a long time
		2072
1337	my $path = $self->{path};	2073	my $path = $self->{path};
		2074
		2075	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1339		2077
		2078	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2080
1342	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1343		2082
1344	$self->alloc;	2083	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2084
		2085	$self->pre_load;
		2086	cf::cede_to_tick;
		2087
		2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
		2090	$self->_load_objects ($f)
1346	or return;	2091	or return;
1347		2092
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	2094	if delete $self->{load_original};
1350		2095
1351	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2097	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2100	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1356	}	2104	}
1357	}	2105	}
1358		2106
1359	Coro::cede;	2107	$f->resolve_delayed_derefs;
1360		2108
		2109	cf::cede_to_tick;
1361	# now do the right thing for maps	2110	# now do the right thing for maps
1362	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2113	unless $self->difficulty;
1372	Coro::cede;	2114	cf::cede_to_tick;
		2115
		2116	unless ($self->{deny_activate}) {
		2117	$self->decay_objects;
		2118	$self->fix_auto_apply;
		2119	$self->update_buttons;
		2120	cf::cede_to_tick;
		2121	$self->set_darkness_map;
		2122	cf::cede_to_tick;
1373	$self->activate;	2123	$self->activate;
1374	}	2124	}
1375		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
		2130	}
		2131
		2132	$self->post_load;
1377	}	2133	}
1378		2134
1379	sub customise_for {	2135	sub customise_for {
1380	my ($self, $ob) = @_;	2136	my ($self, $ob) = @_;
1381		2137
1382	return find "~" . $ob->name . "/" . $self->{path}	2138	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2139	if $self->per_player;
1384		2140
		2141	# return find "?party/" . $ob->name . "/" . $self->{path}
		2142	# if $self->per_party;
		2143
1385	$self	2144	$self
1386	}	2145	}
1387		2146
1388	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2148	sub load_neighbours {
1390	my ($map) = @_;	2149	my ($map) = @_;
1391		2150
1392	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1393		2152
1394	for (0 .. 3) {	2153	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1396	or next;	2155	or next;
1397	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1398	or next;	2157	or next;
1399	$neigh->load;	2158	$neigh->load;
1400		2159
		2160	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2163	}
1404		2164
1405	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1407	or next;	2168	or next;
1408	$neigh->load;	2169	$neigh->load;
1409	}	2170	}
1410	}	2171	}
1411		2172
…		…
1416	}	2177	}
1417		2178
1418	sub do_load_sync {	2179	sub do_load_sync {
1419	my ($map) = @_;	2180	my ($map) = @_;
1420		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1421	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1422	}	2186	}
1423		2187
1424	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2189	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2190
1438	sub find_async {	2191	sub find_async {
1439	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1440		2193
1441	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1442		2195
1443	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2198	}
		2199
		2200	$MAP_PREFETCH{$path} |= $load;
		2201
		2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
		2205	while (%MAP_PREFETCH) {
		2206	while (my ($k, $v) = each %MAP_PREFETCH) {
		2207	if (my $map = find $k) {
		2208	$map->load if $v;
		2209	}
		2210
		2211	delete $MAP_PREFETCH{$k};
		2212	}
		2213	}
		2214	undef $MAP_PREFETCHER;
1445	}	2215	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2216	$MAP_PREFETCHER->prio (6);
1449		2217
1450	()	2218	()
1451	}	2219	}
1452		2220
1453	sub save {	2221	sub save {
1454	my ($self) = @_;	2222	my ($self) = @_;
1455		2223
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2225
1458	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1459		2227
1460	return unless $self->dirty;	2228	return unless $self->dirty;
1461		2229
…		…
1467	return if $self->{deny_save};	2235	return if $self->{deny_save};
1468		2236
1469	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1470		2238
1471	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1473	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1474		2245
1475	if ($uniq) {	2246	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2249	} else {
…		…
1484	my ($self) = @_;	2255	my ($self) = @_;
1485		2256
1486	# save first because save cedes	2257	# save first because save cedes
1487	$self->save;	2258	$self->save;
1488		2259
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2261
1491	return if $self->players;	2262	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1493	return if $self->{deny_save};	2264	return if $self->{deny_save};
1494		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2270	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2271	}
1498		2272
1499	sub reset_at {	2273	sub reset_at {
1500	my ($self) = @_;	2274	my ($self) = @_;
1501		2275
1502	# TODO: safety, remove and allow resettable per-player maps	2276	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2277	return 1e99 if $self->{deny_reset};
1505		2278
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2281
…		…
1513	my ($self) = @_;	2286	my ($self) = @_;
1514		2287
1515	$self->reset_at <= $cf::RUNTIME	2288	$self->reset_at <= $cf::RUNTIME
1516	}	2289	}
1517		2290
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2291	sub reset {
1533	my ($self) = @_;	2292	my ($self) = @_;
1534		2293
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2295
1537	return if $self->players;	2296	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2297
1540	warn "resetting map ", $self->path;#d#	2298	warn "resetting map ", $self->path;
		2299
		2300	$self->in_memory (cf::MAP_SWAPPED);
		2301
		2302	# need to save uniques path
		2303	unless ($self->{deny_save}) {
		2304	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2305
		2306	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2307	if $uniq;
		2308	}
1541		2309
1542	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1543		2311
1544	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2314	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2315
1549	$self->unlink_save;	2316	$self->unlink_save;
1550	$self->destroy;	2317	$self->destroy;
1551	}	2318	}
1552		2319
1553	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1554		2321
1555	sub nuke {	2322	sub nuke {
1556	my ($self) = @_;	2323	my ($self) = @_;
1557		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
		2328	delete $cf::MAP{$self->path};
		2329
		2330	$self->unlink_save;
		2331
		2332	bless $self, "cf::map";
		2333	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2337
		2338	$cf::MAP{$self->path} = $self;
		2339	}
		2340
1561	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
		2342	}
		2343
		2344	=item $maps = cf::map::tmp_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	maps. May block.
		2348
		2349	=cut
		2350
		2351	sub tmp_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise $_
		2357	: ()
		2358	} @{ aio_readdir $TMPDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item $maps = cf::map::random_maps
		2363
		2364	Returns an arrayref with all map paths of currently instantiated and saved
		2365	random maps. May block.
		2366
		2367	=cut
		2368
		2369	sub random_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	/\.map$/
		2374	? normalise "?random/$_"
		2375	: ()
		2376	} @{ aio_readdir $RANDOMDIR or [] }
		2377	]
1562	}	2378	}
1563		2379
1564	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1565		2381
1566	Returns an arrayref of paths of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2383	instantiated unique items. May block.
1568		2384
1569	=cut	2385	=cut
1570		2386
1571	sub unique_maps() {	2387	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2388	[
1573	or return;	2389	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2390	utf8::decode $_;
1579	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1581		2393	? ()
1582	s/\.map$//;	2394	: normalise $_
1583	push @paths, $_;	2395	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2396	]
1585
1586	\@paths
1587	}	2397	}
1588
1589	package cf;
1590		2398
1591	=back	2399	=back
1592		2400
1593	=head3 cf::object	2401	=head3 cf::object
1594		2402
…		…
1598		2406
1599	=over 4	2407	=over 4
1600		2408
1601	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1602		2410
1603	Returns the inventory of the object _and_ their inventories, recursively.	2411	Returns the inventory of the object I<and> their inventories, recursively,
		2412	but I<not> the object itself.
1604		2413
1605	=cut	2414	=cut
1606		2415
1607	sub inv_recursive_;	2416	sub inv_recursive_;
1608	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1611		2420
1612	sub inv_recursive {	2421	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1614	}	2423	}
1615		2424
		2425	=item $ref = $ob->ref
		2426
		2427	Creates and returns a persistent reference to an object that can be stored as a string.
		2428
		2429	=item $ob = cf::object::deref ($refstring)
		2430
		2431	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2432	even if the object actually exists. May block.
		2433
		2434	=cut
		2435
		2436	sub deref {
		2437	my ($ref) = @_;
		2438
		2439	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2440	my ($uuid, $name) = ($1, $2);
		2441	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2442	or return;
		2443	$pl->ob->uuid eq $uuid
		2444	or return;
		2445
		2446	$pl->ob
		2447	} else {
		2448	warn "$ref: cannot resolve object reference\n";
		2449	undef
		2450	}
		2451	}
		2452
1616	package cf;	2453	package cf;
1617		2454
1618	=back	2455	=back
1619		2456
1620	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2463	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2464	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1629		2466
1630	=cut	2467	=cut
		2468
		2469	our $SAY_CHANNEL = {
		2470	id => "say",
		2471	title => "Map",
		2472	reply => "say ",
		2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2474	};
		2475
		2476	our $CHAT_CHANNEL = {
		2477	id => "chat",
		2478	title => "Chat",
		2479	reply => "chat ",
		2480	tooltip => "Player chat and shouts, global to the server.",
		2481	};
1631		2482
1632	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2484	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2485	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1637		2488
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2490
1640	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1642	} else {	2494	} else {
		2495	my $pl = $self->contr;
		2496
		2497	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2498	my $dialog = $pl->{npc_dialog};
		2499	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2500
		2501	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1645	}	2505	}
		2506	}
		2507
		2508	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2509
		2510	=cut
		2511
		2512	sub cf::object::send_msg {
		2513	my $pl = shift->contr
		2514	or return;
		2515	$pl->send_msg (@_);
1646	}	2516	}
1647		2517
1648	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1649		2519
1650	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2552	=cut
1683		2553
1684	sub link_map {	2554	sub link_map {
1685	unless ($LINK_MAP) {	2555	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2556	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2557	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2558	$LINK_MAP->load;
1689	}	2559	}
1690		2560
1691	$LINK_MAP	2561	$LINK_MAP
1692	}	2562	}
…		…
1697	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1698		2568
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2570
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1703		2573
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2575	}
1706		2576
1707	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1709		2581
1710	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1711		2583
1712	unless ($map) {	2584	unless ($map) {
1713	# restore original map position	2585	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1730		2602
1731	$map->load;	2603	$map->load;
1732	$map->load_diag;	2604	$map->load_neighbours;
1733		2605
1734	return unless $self->contr->active;	2606	return unless $self->contr->active;
1735	$self->activate_recursive;	2607	$self->activate_recursive;
		2608
		2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1737	}	2611	}
1738		2612
1739	cf::player->attach (	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2614
1743	# abort map switching before logout	2615	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2616	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2617	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2618	the new (success) or old (failed) map position. In either case, $done will
1747	};	2619	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2620
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2621	=cut
		2622
		2623	our $GOTOGEN;
1774		2624
1775	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
		2627
		2628	# do generation counting so two concurrent goto's will be executed in-order
		2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2630
1778	$self->enter_link;	2631	$self->enter_link;
1779		2632
1780	(async {	2633	(async {
1781	my $map = cf::map::find $path;	2634	$Coro::current->{desc} = "player::goto $path $x $y";
		2635
		2636	# *tag paths override both path and x|y
		2637	if ($path =~ /^\*(.*)$/) {
		2638	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2639	my $ob = $obs[rand @obs];
		2640
		2641	# see if we actually can go there
		2642	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2643	$ob = $obs[rand @obs];
		2644	} else {
		2645	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647	# else put us there anyways for now #d#
		2648
		2649	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2650	} else {
		2651	($path, $x, $y) = (undef, undef, undef);
		2652	}
		2653	}
		2654
		2655	my $map = eval {
		2656	my $map = defined $path ? cf::map::find $path : undef;
		2657
		2658	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2659	$map = $map->customise_for ($self);
1783		2660	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2661	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	}
1788		2664
		2665	$map
		2666	};
		2667
		2668	if ($@) {
		2669	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	LOG llevError | logBacktrace, Carp::longmess $@;
		2671	}
		2672
		2673	if ($gen == $self->{_goto_generation}) {
		2674	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
		2676	}
		2677
		2678	$done->() if $done;
1790	})->prio (1);	2679	})->prio (1);
1791	}	2680	}
1792		2681
1793	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
1794		2683
…		…
1796		2685
1797	sub parse_random_map_params {	2686	sub parse_random_map_params {
1798	my ($spec) = @_;	2687	my ($spec) = @_;
1799		2688
1800	my $rmp = { # defaults	2689	my $rmp = { # defaults
1801	xsize => 10,	2690	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2691	ysize => (cf::rndm 15, 40),
		2692	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2693	#layout => string,
1803	};	2694	};
1804		2695
1805	for (split /\n/, $spec) {	2696	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2697	my ($k, $v) = split /\s+/, $_, 2;
1807		2698
…		…
1819	# that depends on the exit object	2710	# that depends on the exit object
1820		2711
1821	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
1822		2713
1823	if ($exit->map) {	2714	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2715	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
1828	}	2721	}
1829		2722
1830	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
1831		2724
1832	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
		2727	my $meta = "$RANDOMDIR/$md5.meta";
1834		2728
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
		2731	undef $fh;
		2732	aio_rename "$meta~", $meta;
1837		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
1840	}	2740	}
1841	}	2741	}
1842		2742
1843	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
1847		2747
1848	$self->enter_link;	2748	$self->enter_link;
1849		2749
1850	(async {	2750	(async {
1851	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
1852	unless (eval {	2753	unless (eval {
		2754	$self->deactivate_recursive; # just to be sure
		2755
		2756	# random map handling
		2757	{
		2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2759
1853	prepare_random_map $exit	2760	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2761	if $exit->slaying eq "/!";
		2762	}
1855		2763
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2765	my $x = $exit->stats->hp;
		2766	my $y = $exit->stats->sp;
1858		2767
		2768	$self->goto ($map, $x, $y);
		2769
		2770	# if exit is damned, update players death & WoR home-position
		2771	$self->contr->savebed ($map, $x, $y)
		2772	if $exit->flag (cf::FLAG_DAMNED);
		2773
1859	1;	2774	1
1860	}) {	2775	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2777	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2780
1866	warn "ERROR in enter_exit: $@";	2781	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2782	$self->leave_link;
1868	}	2783	}
1869	})->prio (1);	2784	})->prio (1);
…		…
1882		2797
1883	sub cf::client::send_drawinfo {	2798	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2799	my ($self, $text, $flags) = @_;
1885		2800
1886	utf8::encode $text;	2801	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2803	}
1889		2804
		2805	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2806
		2807	Send a drawinfo or msg packet to the client, formatting the msg for the
		2808	client if neccessary. C<$type> should be a string identifying the type of
		2809	the message, with C<log> being the default. If C<$color> is negative, suppress
		2810	the message unless the client supports the msg packet.
		2811
		2812	=cut
		2813
		2814	# non-persistent channels (usually the info channel)
		2815	our %CHANNEL = (
		2816	"c/identify" => {
		2817	id => "infobox",
		2818	title => "Identify",
		2819	reply => undef,
		2820	tooltip => "Items recently identified",
		2821	},
		2822	"c/examine" => {
		2823	id => "infobox",
		2824	title => "Examine",
		2825	reply => undef,
		2826	tooltip => "Signs and other items you examined",
		2827	},
		2828	"c/book" => {
		2829	id => "infobox",
		2830	title => "Book",
		2831	reply => undef,
		2832	tooltip => "The contents of a note or book",
		2833	},
		2834	"c/lookat" => {
		2835	id => "infobox",
		2836	title => "Look",
		2837	reply => undef,
		2838	tooltip => "What you saw there",
		2839	},
		2840	"c/who" => {
		2841	id => "infobox",
		2842	title => "Players",
		2843	reply => undef,
		2844	tooltip => "Shows players who are currently online",
		2845	},
		2846	"c/body" => {
		2847	id => "infobox",
		2848	title => "Body Parts",
		2849	reply => undef,
		2850	tooltip => "Shows which body parts you posess and are available",
		2851	},
		2852	"c/uptime" => {
		2853	id => "infobox",
		2854	title => "Uptime",
		2855	reply => undef,
		2856	tooltip => "How long the server has been running since last restart",
		2857	},
		2858	"c/mapinfo" => {
		2859	id => "infobox",
		2860	title => "Map Info",
		2861	reply => undef,
		2862	tooltip => "Information related to the maps",
		2863	},
		2864	"c/party" => {
		2865	id => "party",
		2866	title => "Party",
		2867	reply => "gsay ",
		2868	tooltip => "Messages and chat related to your party",
		2869	},
		2870	);
		2871
		2872	sub cf::client::send_msg {
		2873	my ($self, $channel, $msg, $color, @extra) = @_;
		2874
		2875	$msg = $self->pl->expand_cfpod ($msg);
		2876
		2877	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2878
		2879	# check predefined channels, for the benefit of C
		2880	if ($CHANNEL{$channel}) {
		2881	$channel = $CHANNEL{$channel};
		2882
		2883	$self->ext_msg (channel_info => $channel)
		2884	if $self->can_msg;
		2885
		2886	$channel = $channel->{id};
		2887
		2888	} elsif (ref $channel) {
		2889	# send meta info to client, if not yet sent
		2890	unless (exists $self->{channel}{$channel->{id}}) {
		2891	$self->{channel}{$channel->{id}} = $channel;
		2892	$self->ext_msg (channel_info => $channel)
		2893	if $self->can_msg;
		2894	}
		2895
		2896	$channel = $channel->{id};
		2897	}
		2898
		2899	return unless @extra || length $msg;
		2900
		2901	if ($self->can_msg) {
		2902	# default colour, mask it out
		2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2904	if $color & cf::NDI_DEF;
		2905
		2906	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2908	} else {
		2909	if ($color >= 0) {
		2910	# replace some tags by gcfclient-compatible ones
		2911	for ($msg) {
		2912	1 while
		2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2918	}
		2919
		2920	$color &= cf::NDI_COLOR_MASK;
		2921
		2922	utf8::encode $msg;
		2923
		2924	if (0 && $msg =~ /\[/) {
		2925	# COMMAND/INFO
		2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2927	} else {
		2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2929	$self->send_packet ("drawinfo $color $msg")
		2930	}
		2931	}
		2932	}
		2933	}
		2934
		2935	=item $client->ext_msg ($type, @msg)
		2936
		2937	Sends an ext event to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_msg($$@) {
		2942	my ($self, $type, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
		2947	push @msg, msgtype => "event_$type";
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
		2951
		2952	=item $client->ext_reply ($msgid, @msg)
		2953
		2954	Sends an ext reply to the client.
		2955
		2956	=cut
		2957
		2958	sub cf::client::ext_reply($$@) {
		2959	my ($self, $id, @msg) = @_;
		2960
		2961	if ($self->extcmd == 2) {
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2963	} elsif ($self->extcmd == 1) {
		2964	#TODO: version 1, remove
		2965	unshift @msg, msgtype => "reply", msgid => $id;
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2967	}
		2968	}
1890		2969
1891	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
1892		2971
1893	Queues a query to the client, calling the given callback with	2972	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2973	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2974	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2975
1897	Queries can fail, so check the return code. Or don't, as queries will become	2976	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2977	become reliable at some point in the future.
1899		2978
1900	=cut	2979	=cut
1901		2980
1902	sub cf::client::query {	2981	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2990	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2992
1914	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
1916	}	2997	}
1917		2998
1918	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
1919	on_reply => sub {	3005	on_reply => sub {
1920	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
1921		3007
1922	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
1923	# get handled first	3009	# get handled first
1924	my $queue = delete $ns->{query_queue}	3010	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3012
1927	(shift @$queue)->[1]->($msg);	3013	(shift @$queue)->[1]->($msg);
		3014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3015
1929	push @{ $ns->{query_queue} }, @$queue;	3016	push @{ $ns->{query_queue} }, @$queue;
1930		3017
1931	if (@{ $ns->{query_queue} } == @$queue) {	3018	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3019	if (@$queue) {
…		…
1934	} else {	3021	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3023	}
1937	}	3024	}
1938	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($ns, $buf) = @_;
		3028
		3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3030
		3031	if (ref $msg) {
		3032	my ($type, $reply, @payload) =
		3033	"ARRAY" eq ref $msg
		3034	? @$msg
		3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3036
		3037	my @reply;
		3038
		3039	if (my $cb = $EXTICMD{$type}) {
		3040	@reply = $cb->($ns, @payload);
		3041	}
		3042
		3043	$ns->ext_reply ($reply, @reply)
		3044	if $reply;
		3045
		3046	} else {
		3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3048	}
		3049
		3050	cf::override;
		3051	},
1939	);	3052	);
1940		3053
1941	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
1942		3055
1943	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
1986		3099
1987	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
1988		3101
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3102	$safe->permit_only (Opcode::opset qw(
		3103	:base_core :base_mem :base_orig :base_math
		3104	grepstart grepwhile mapstart mapwhile
		3105	sort time
		3106	));
1990		3107
1991	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
1992		3109
1993	=pod	3110	=pod
1994		3111
1995	The following fucntions and emthods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
1996		3113
1997	cf::object contr pay_amount pay_player map	3114	cf::object
		3115	contr pay_amount pay_player map x y force_find force_add destroy
		3116	insert remove name archname title slaying race decrease split
		3117
1998	cf::object::player player	3118	cf::object::player
1999	cf::player peaceful	3119	player
2000	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2001		3126
2002	=cut	3127	=cut
2003		3128
2004	for (	3129	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3131	insert remove inv nrof name archname title slaying race
		3132	decrease split destroy)],
2006	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2009	) {	3136	) {
2010	no strict 'refs';	3137	no strict 'refs';
…		…
2081	=back	3208	=back
2082		3209
2083	=cut	3210	=cut
2084		3211
2085	#############################################################################	3212	#############################################################################
		3213	# the server's init and main functions
2086		3214
2087	=head2 EXTENSION DATABASE SUPPORT	3215	sub load_facedata($) {
		3216	my ($path) = @_;
2088		3217
2089	Crossfire maintains a very simple database for extension use. It can	3218	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3219	# for this (global event?)
2091	excludes objects.	3220	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3221
2093	The parameter C<$family> should best start with the name of the extension	3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3223
2096	=over 4	3224	warn "loading facedata from $path\n";
2097		3225
2098	=item $hashref = cf::db_get $family	3226	my $facedata;
		3227	0 < aio_load $path, $facedata
		3228	or die "$path: $!";
2099		3229
2100	Return a hashref for use by the extension C<$family>, which can be	3230	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3231
2104	=item $value = cf::db_get $family => $key	3232	$facedata->{version} == 2
		3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3234
2106	Returns a single value from the database	3235	# patch in the exptable
2107		3236	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	3237	type => FT_RSRC,
2109		3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3239	};
		3240	cf::cede_to_tick;
2159		3241
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3242	{
		3243	my $faces = $facedata->{faceinfo};
2164		3244
2165	sub db_get($;$) {	3245	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3247
2171	sub db_put($$;$) {	3248	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3249	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2174	} else {	3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3252
2180	cf::global->attach (	3253	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3254	}
2185	);
2186	}
2187		3255
2188	#############################################################################	3256	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3257	next unless $info->{smooth};
2190		3258
2191	sub cfg_load {	3259	my $idx = cf::face::find $face
		3260	or next;
		3261
		3262	if (my $smooth = cf::face::find $info->{smooth}) {
		3263	cf::face::set_smooth $idx, $smooth;
		3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3265	} else {
		3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	{
		3274	my $anims = $facedata->{animinfo};
		3275
		3276	while (my ($anim, $info) = each %$anims) {
		3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3278	cf::cede_to_tick;
		3279	}
		3280
		3281	cf::anim::invalidate_all; # d'oh
		3282	}
		3283
		3284	{
		3285	# TODO: for gcfclient pleasure, we should give resources
		3286	# that gcfclient doesn't grok a >10000 face index.
		3287	my $res = $facedata->{resource};
		3288
		3289	while (my ($name, $info) = each %$res) {
		3290	if (defined $info->{type}) {
		3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3292	my $data;
		3293
		3294	if ($info->{type} & 1) {
		3295	# prepend meta info
		3296
		3297	my $meta = $enc->encode ({
		3298	name => $name,
		3299	%{ $info->{meta} || {} },
		3300	});
		3301
		3302	$data = pack "(w/a*)*", $meta, $info->{data};
		3303	} else {
		3304	$data = $info->{data};
		3305	}
		3306
		3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3308	cf::face::set_type $idx, $info->{type};
		3309	} else {
		3310	$RESOURCE{$name} = $info;
		3311	}
		3312
		3313	cf::cede_to_tick;
		3314	}
		3315	}
		3316
		3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3318
		3319	1
		3320	}
		3321
		3322	cf::global->attach (on_resource_update => sub {
		3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3325
		3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3327	my $sound = $soundconf->{compat}[$_]
		3328	or next;
		3329
		3330	my $face = cf::face::find "sound/$sound->[1]";
		3331	cf::sound::set $sound->[0] => $face;
		3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3333	}
		3334
		3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3336	my $face = cf::face::find "sound/$v";
		3337	cf::sound::set $k => $face;
		3338	}
		3339	}
		3340	});
		3341
		3342	register_exticmd fx_want => sub {
		3343	my ($ns, $want) = @_;
		3344
		3345	while (my ($k, $v) = each %$want) {
		3346	$ns->fx_want ($k, $v);
		3347	}
		3348	};
		3349
		3350	sub load_resource_file($) {
		3351	my $guard = lock_acquire "load_resource_file";
		3352
		3353	my $status = load_resource_file_ $_[0];
		3354	get_slot 0.1, 100;
		3355	cf::arch::commit_load;
		3356
		3357	$status
		3358	}
		3359
		3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
		3365	load_resource_file "$MAPDIR/regions"
		3366	or die "unable to load regions file\n";
		3367
		3368	for (cf::region::list) {
		3369	$_->{match} = qr/$_->{match}/
		3370	if exists $_->{match};
		3371	}
		3372	}
		3373
		3374	sub reload_facedata {
		3375	load_facedata "$DATADIR/facedata"
		3376	or die "unable to load facedata\n";
		3377	}
		3378
		3379	sub reload_archetypes {
		3380	load_resource_file "$DATADIR/archetypes"
		3381	or die "unable to load archetypes\n";
		3382	}
		3383
		3384	sub reload_treasures {
		3385	load_resource_file "$DATADIR/treasures"
		3386	or die "unable to load treasurelists\n";
		3387	}
		3388
		3389	sub reload_resources {
		3390	warn "reloading resource files...\n";
		3391
		3392	reload_facedata;
		3393	reload_archetypes;
		3394	reload_regions;
		3395	reload_treasures;
		3396
		3397	warn "finished reloading resource files\n";
		3398	}
		3399
		3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
		3403	reload_resources;
		3404	}
		3405
		3406	sub reload_config {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3408	or return;
2194		3409
2195	local $/;	3410	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2197		3412
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2199		3414
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2211		3426
2212	sub main {	3427	sub main {
2213	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3431	(async {
		3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
		3434	})->prio (Coro::PRIO_MAX);
2217	};	3435	};
2218		3436
2219	cfg_load;	3437	{
2220	db_load;	3438	my $guard = freeze_mainloop;
		3439	reload_config;
		3440	db_init;
2221	load_extensions;	3441	load_extensions;
		3442
		3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2222	Event::loop;	3446	EV::loop;
2223	}	3447	}
2224		3448
2225	#############################################################################	3449	#############################################################################
2226	# initialisation and cleanup	3450	# initialisation and cleanup
2227		3451
2228	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2229	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2236	},
2237	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2238	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2239	}	3541	}
2240		3542
2241	sub emergency_save() {	3543	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2243		3545
…		…
2249	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2251	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3557	$pl->save;
2255	}	3558	}
2256	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2257		3560
2258	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2260	my $map = $cf::MAP{$path} or next;	3563	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3564	$map->valid or next;
2262	$map->save;	3565	$map->save;
2263	}	3566	}
2264	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
		3568
		3569	warn "begin emergency database checkpoint\n";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2265	};	3576	};
2266		3577
2267	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2268	}	3579	}
2269		3580
		3581	sub post_cleanup {
		3582	my ($make_core) = @_;
		3583
		3584	warn Carp::longmess "post_cleanup backtrace"
		3585	if $make_core;
		3586	}
		3587
2270	sub reload() {	3588	sub do_reload_perl() {
2271	# can/must only be called in main	3589	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3591	warn "can only reload from main coroutine";
2274	return;	3592	return;
2275	}	3593	}
2276		3594
2277	warn "reloading...";	3595	warn "reloading...";
2278		3596
2279	warn "freezing server";	3597	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3598
		3599	cf::sync_job {
		3600	cf::write_runtime_sync; # external watchdog should not bark
2281	cf::emergency_save;	3601	cf::emergency_save;
		3602	cf::write_runtime_sync; # external watchdog should not bark
2282		3603
2283	warn "sync database to disk";	3604	warn "syncing database to disk";
2284	cf::db_sync;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3606
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2289		3608
2290	warn "cancel all watchers";	3609	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3610	for (;;) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3611	BDB::flush;
		3612	IO::AIO::flush;
		3613	Coro::cede_notself;
		3614	last unless IO::AIO::nreqs || BDB::nreqs;
		3615	warn "iterate...";
2293	}	3616	}
2294		3617
		3618	++$RELOAD;
		3619
2295	warn "cancel all extension coros";	3620	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3621	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3622	%EXT_CORO = ();
2298		3623
2299	warn "remove commands";	3624	warn "removing commands";
2300	%COMMAND = ();	3625	%COMMAND = ();
2301		3626
2302	warn "remove ext commands";	3627	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2304		3630
2305	warn "unload/nuke all extensions";	3631	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2308		3634
2309	if (my $cb = $pkg->can ("unload")) {	3635	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3636	eval {
…		…
2315		3641
2316	warn "... nuking $pkg";	3642	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3643	Symbol::delete_package $pkg;
2318	}	3644	}
2319		3645
2320	warn "unload all perl modules loaded from $LIBDIR";	3646	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3647	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3648	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3649
2324	warn "removing <$k>";	3650	warn "... unloading $k";
2325	delete $INC{$k};	3651	delete $INC{$k};
2326		3652
2327	$k =~ s/\.pm$//;	3653	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3654	$k =~ s/\//::/g;
2329		3655
…		…
2332	}	3658	}
2333		3659
2334	Symbol::delete_package $k;	3660	Symbol::delete_package $k;
2335	}	3661	}
2336		3662
2337	warn "get rid of safe::, as good as possible";	3663	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3666
2341	warn "unload cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2343		3670
2344	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3672	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2347		3674
		3675	warn "unload completed, starting to reload now";
		3676
2348	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2349	require cf;	3678	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3680
2352	warn "load config and database again";	3681	warn "loading config and database again";
2353	cf::cfg_load;	3682	cf::reload_config;
2354	cf::db_load;
2355		3683
2356	warn "load extensions";	3684	warn "loading extensions";
2357	cf::load_extensions;	3685	cf::load_extensions;
2358		3686
2359	warn "reattach attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3688	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3689	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
		3691	warn "reattaching attachments to players";
		3692	reattach $_ for values %PLAYER;
		3693
		3694	warn "leaving sync_job";
		3695
		3696	1
		3697	} or do {
		3698	warn $@;
		3699	cf::cleanup "error while reloading, exiting.";
2363	};	3700	};
2364
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370		3701
2371	warn "reloaded";	3702	warn "reloaded";
2372	};	3703	};
2373		3704
		3705	our $RELOAD_WATCHER; # used only during reload
		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2374	register_command "reload" => sub {	3717	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2376		3719
2377	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
		3724	reload_perl;
		3725	};
2381	}	3726	}
2382	};	3727	};
2383		3728
2384	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2385		3730
2386	$TICK_WATCHER = Event->timer (	3731	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3732
		3733	our @WAIT_FOR_TICK;
		3734	our @WAIT_FOR_TICK_BEGIN;
		3735
		3736	sub wait_for_tick {
		3737	return if tick_inhibit || $Coro::current == $Coro::main;
		3738
		3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
		3753	if ($Coro::current != $Coro::main) {
		3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3755	unless ++$bug_warning > 10;
		3756	return;
		3757	}
		3758
2394	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		3760
2398	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2400		3763	Coro::async_pool {
2401	# if we are delayed by four ticks or more, skip them all	3764	$Coro::current->{desc} = "runtime saver";
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403
2404	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	3765	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	3767	};
2428	},	3768	}
2429	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
		3788
		3789	{
		3790	# configure BDB
		3791
		3792	BDB::min_parallel 8;
		3793	BDB::max_poll_reqs $TICK * 0.1;
		3794	$AnyEvent::BDB::WATCHER->priority (1);
		3795
		3796	unless ($DB_ENV) {
		3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3802
		3803	cf::sync_job {
		3804	eval {
		3805	BDB::db_env_open
		3806	$DB_ENV,
		3807	$BDBDIR,
		3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3810	0666;
		3811
		3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3813	};
		3814
		3815	cf::cleanup "db_env_open(db): $@" if $@;
		3816	};
		3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
		3828	}
		3829
		3830	{
		3831	# configure IO::AIO
		3832
		3833	IO::AIO::min_parallel 8;
		3834	IO::AIO::max_poll_time $TICK * 0.1;
		3835	#undef $AnyEvent::AIO::WATCHER;
		3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2430		3880
2431	END { cf::emergency_save }	3881	END { cf::emergency_save }
2432		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
2433	1	3885	1
2434		3886

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