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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.203 by root, Thu Feb 1 19:40:42 2007 UTC vs.
Revision 1.443 by root, Sun Aug 31 10:05:26 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		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;
87		141
88	sub cf::map::normalise;	142	sub cf::map::normalise;
89		143
…		…
100	=item $cf::RUNTIME	154	=item $cf::RUNTIME
101		155
102	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
103	every server tick.	157	every server tick.
104		158
105	=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
106		162
107	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		167
110	=item $cf::NOW	168	=item $cf::NOW
111		169
112	The time of the last (current) server tick.	170	The time of the last (current) server tick.
113		171
114	=item $cf::TICK	172	=item $cf::TICK
115		173
116	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	186	=item %cf::CFG
119		187
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	189	from wherever your confdir points to.
122		190
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		192
125	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
126	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
127	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.
128	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.
129		202
130	=back	203	=back
131		204
132	=cut	205	=cut
133		206
134	BEGIN {	207	BEGIN {
135	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	209	my $msg = join "", @_;
137	utf8::encode $msg;
138		210
139	$msg .= "\n"	211	$msg .= "\n"
140	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
141		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
142	LOG llevError, $msg;	216	LOG llevError, $msg;
143	};	217	};
144	}	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#?
145		234
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		242
153	# 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
154	# within the Safe compartment.	244	# within the Safe compartment.
155	for my $pkg (qw(	245	for my $pkg (qw(
156	cf::global cf::attachable	246	cf::global cf::attachable
157	cf::object cf::object::player	247	cf::object cf::object::player
158	cf::client cf::player	248	cf::client cf::player
159	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
160	cf::map cf::party cf::region	251	cf::party cf::region
161	)) {	252	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	254	}
165		255
166	$Event::DIED = sub {	256	$EV::DIED = sub {
167	warn "error in event callback: @_";	257	warn "error in event callback: @_";
168	};	258	};
		259
		260	#############################################################################
169		261
170	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
171		263
172	=over 4	264	=over 4
173		265
…		…
192	$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;
193	$d	285	$d
194	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
195	}	287	}
196		288
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
200		290
201	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
202		292
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
211		294
212	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
213		296
214	=cut	297	=cut
215		298
216	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
218	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
220		303
221	=item cf::lock_wait $string	304	=item cf::lock_wait $string
222		305
223	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
224		307
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
230	returned.	313	returned.
231		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
232	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
233	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
234		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
235	=cut	325	=cut
236		326
237	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
238		329
239	sub lock_wait($) {	330	sub lock_wait($) {
240	my ($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#
241		337
242	# wait for lock, if any	338	# wait for lock, if any
243	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	341	Coro::schedule;
…		…
251		347
252	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
253	lock_wait $key;	349	lock_wait $key;
254		350
255	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
256		353
257	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
260	}	358	}
261	}	359	}
262		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
263	sub freeze_mainloop {	367	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
265		369
266	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	371	}
268	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
269	};	431	}
270	$WRITE_RUNTIME_WATCHER->stop;	432	};
271	$TICK_WATCHER->stop;	433
272	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
273	}	446	}
274		447
275	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
276		449
277	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		455
283	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
284		457
285	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
286		459
287	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
290		464
291	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
294	fast or be very important.	468	fast or be very important.
…		…
297		471
298	sub sync_job(&) {	472	sub sync_job(&) {
299	my ($job) = @_;	473	my ($job) = @_;
300		474
301	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
302	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
304		480
305	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	482
307	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
308		484
309	my $busy = 1;	485	my $busy = 1;
310	my @res;	486	my @res;
311		487
312	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	490	@res = eval { $job->() };
314	warn $@ if $@;	491	warn $@ if $@;
315	undef $busy;	492	undef $busy;
316	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
317		494
318	while ($busy) {	495	while ($busy) {
319	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
320	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
321		506
322	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
323	} else {	508	} else {
324	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
325		510
…		…
345	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
346		531
347	$coro	532	$coro
348	}	533	}
349		534
350	sub write_runtime {	535	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		536
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
354	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.
355		541
356	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		543
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
361	and return;	545	my ($cb, @args) = @_;
362		546
363	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
364	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
365		550
366	close $fh	551	my @res = Coro::Util::fork_eval {
367	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
368		555
369	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
370	and return;	557	}
371		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
372	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
373	}	722	}
374		723
375	=back	724	=back
376		725
377	=cut	726	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
386		735
387	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>
388	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
389	crossfire+).	738	Deliantra).
390		739
391	=over 4	740	=over 4
392		741
393	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
394		743
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
558		907
559	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		912
564	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	914	my $pkg = shift @arg;
566		915
567	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
597	}	946	}
598		947
599	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
600	} else {	949	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	951	}
603		952
604	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
605	}	954	}
606		955
…		…
608	if (ref $_[0]) {	957	if (ref $_[0]) {
609	_object_attach @_;	958	_object_attach @_;
610	} else {	959	} else {
611	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
612	}	961	}
		962	_recalc_want;
613	};	963	};
614		964
615	# all those should be optimised	965	# all those should be optimised
616	sub cf::attachable::detach {	966	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
621	reattach ($obj);	971	reattach ($obj);
622	} else {	972	} else {
623	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
624	}	974	}
		975	_recalc_want;
625	};	976	};
626		977
627	sub cf::attachable::attached {	978	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
629		980
…		…
644	";	995	";
645	die if $@;	996	die if $@;
646	}	997	}
647		998
648	our $override;	999	our $override;
649	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?
650		1001
651	sub override {	1002	sub override {
652	$override = 1;	1003	$override = 1;
653	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
654	}	1005	}
655		1006
656	sub do_invoke {	1007	sub do_invoke {
657	my $event = shift;	1008	my $event = shift;
658	my $callbacks = shift;	1009	my $callbacks = shift;
659		1010
660	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
661		1012
662	local $override;	1013	local $override;
663		1014
664	for (@$callbacks) {	1015	for (@$callbacks) {
665	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
674	}	1025	}
675		1026
676	0	1027	0
677	}	1028	}
678		1029
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1031
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1033
683	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
684		1035
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1039
689	=back	1040	=back
690		1041
691	=cut	1042	=cut
692		1043
693	#############################################################################	1044	#############################################################################
694	# 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, $ob2
		1087	}
695		1088
696	sub reattach {	1089	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1091	my ($obj) = @_;
699		1092
		1093	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1095
702	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
703		1097
704	@$registry = ();	1098	@$registry = ();
705		1099
…		…
720	cf::attachable->attach (	1114	cf::attachable->attach (
721	prio => -1000000,	1115	prio => -1000000,
722	on_instantiate => sub {	1116	on_instantiate => sub {
723	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
724		1118
725	$data = from_json $data;	1119	$data = decode_json $data;
726		1120
727	for (@$data) {	1121	for (@$data) {
728	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
729		1123
730	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1140	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
748		1142
749	sync_job {	1143	sync_job {
750	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
753		1148
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1153	aio_close $fh;
759		1154
760	if (@$objs) {	1155	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1161	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
768	}	1163	}
769	} else {	1164	} else {
770	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
771	}	1166	}
…		…
776	}	1171	}
777	} else {	1172	} else {
778	aio_unlink $filename;	1173	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
780	}	1175	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1176	};
788	}	1177	}
789		1178
790	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
792		1181
…		…
797		1186
798	sub object_thawer_load {	1187	sub object_thawer_load {
799	my ($filename) = @_;	1188	my ($filename) = @_;
800		1189
801	my ($data, $av);	1190	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1191
806	(aio_load $filename, $data) >= 0	1192	(aio_load $filename, $data) >= 0
807	or return;	1193	or return;
808		1194
809	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
811	or return;	1197	or return;
		1198
812	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
813	}	1201	}
814		1202
		1203	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
817	return ($data, $av);	1207	($data, $av)
818	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
819		1215
820	#############################################################################	1216	#############################################################################
821	# command handling &c	1217	# command handling &c
822		1218
823	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1233	}
838		1234
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1236
841	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
842		1242
843	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
844	called.	1244	called.
845		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
846	=cut	1257	=cut
847		1258
848	sub register_extcmd {	1259	sub register_extcmd {
849	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
850		1261
851	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
852	}	1269	}
853		1270
854	cf::player->attach (	1271	cf::player->attach (
855	on_command => sub {	1272	on_command => sub {
856	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1282	cf::override;
866	},	1283	},
867	on_extcmd => sub {	1284	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
869		1286
870	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1288
872	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
878	} else {	1304	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1306	}
881		1307
882	cf::override;	1308	cf::override;
883	},	1309	},
884	);	1310	);
885		1311
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
921	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1317	next unless -r $path;
923	eval {	1318
924	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
925	1	1375	}
926	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
927	}	1381	};
928	}	1382	}
929		1383
930	#############################################################################	1384	#############################################################################
931		1385
		1386	=back
		1387
932	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
933		1389
934	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
935		1391
936	=cut	1392	=cut
…		…
941		1397
942	=head3 cf::player	1398	=head3 cf::player
943		1399
944	=over 4	1400	=over 4
945		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
946	=item cf::player::find $login	1416	=item cf::player::find $login
947		1417
948	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
949		1419
950	=cut	1420	=cut
951		1421
952	sub playerdir($) {	1422	sub playerdir($) {
953	cf::localdir	1423	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1425	}
959		1426
960	sub path($) {	1427	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1429
963	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
964	}	1431	}
965		1432
966	sub find_active($) {	1433	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1448	my $login = $_[0];
982		1449
983	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
984		1451
985	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
987	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
989	}	1469	}
990	}	1470	}
991	}	1471	}
992		1472
…		…
1001	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1002		1482
1003	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1005		1485
		1486	cf::get_slot 0.01;
		1487
1006	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1007	Coro::cede;	1489	cf::cede_to_tick;
1008	}	1490	}
1009		1491
1010	sub new($) {	1492	sub new($) {
1011	my ($login) = @_;	1493	my ($login) = @_;
1012		1494
…		…
1018	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1019		1501
1020	$self	1502	$self
1021	}	1503	}
1022		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1023	=item $pl->quit_character	1515	=item $pl->quit_character
1024		1516
1025	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1027		1519
1028	=cut	1520	=cut
1029		1521
1030	sub quit_character {	1522	sub quit_character {
1031	my ($pl) = @_;	1523	my ($pl) = @_;
1032		1524
		1525	my $name = $pl->ob->name;
		1526
1033	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1529
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1040		1536
1041	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1046	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1047	}	1563	}
1048		1564
1049	=item cf::player::list_logins	1565	=item cf::player::list_logins
1050		1566
1051	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1053		1569
1054	=cut	1570	=cut
1055		1571
1056	sub list_logins {	1572	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1574	or return [];
1059		1575
1060	my @logins;	1576	my @logins;
1061		1577
1062	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1066		1588
1067	utf8::decode $login;	1589	utf8::decode $login;
1068	push @logins, $login;	1590	push @logins, $login;
1069	}	1591	}
1070		1592
…		…
1097	}	1619	}
1098		1620
1099	\@paths	1621	\@paths
1100	}	1622	}
1101		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1103		1720
1104	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1105		1722
1106	=cut	1723	=cut
1107		1724
1108	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1110		1727
1111	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1729	}
1115		1730
1116	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1117		1771
1118	=back	1772	=back
1119
1120		1773
1121	=head3 cf::map	1774	=head3 cf::map
1122		1775
1123	=over 4	1776	=over 4
1124		1777
…		…
1136	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1138		1791
1139	sub generate_random_map {	1792	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1141	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1798	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1180		1836
1181	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1182	local $self->{path};	1838	local $self->{path};
1183	local $self->{load_path};	1839	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1840
1187	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1188	}	1842	}
1189		1843
1190	sub normalise {	1844	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1238	return $self;	1892	return $self;
1239	}	1893	}
1240	}	1894	}
1241		1895
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1897	()
1244	}	1898	}
1245		1899
1246	sub init {	1900	sub init {
1247	my ($self) = @_;	1901	my ($self) = @_;
…		…
1262		1916
1263	# the original (read-only) location	1917	# the original (read-only) location
1264	sub load_path {	1918	sub load_path {
1265	my ($self) = @_;	1919	my ($self) = @_;
1266		1920
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1268	}	1922	}
1269		1923
1270	# the temporary/swap location	1924	# the temporary/swap location
1271	sub save_path {	1925	sub save_path {
1272	my ($self) = @_;	1926	my ($self) = @_;
1273		1927
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1276	}	1930	}
1277		1931
1278	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1279	sub uniq_path {	1933	sub uniq_path {
1280	my ($self) = @_;	1934	my ($self) = @_;
1281		1935
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1284	}	1938	}
1285		1939
1286	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1287	# all maps in C++...	1941	# all maps in C++...
1288	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1290		1944
1291	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1293	}	1947	}
1294		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1295	sub unlink_save {	1957	sub unlink_save {
1296	my ($self) = @_;	1958	my ($self) = @_;
1297		1959
1298	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1962	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1963	}
1307		1964
1308	sub load_header_from($) {	1965	sub load_header_from($) {
1309	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1310		1967
1311	utf8::encode $path;	1968	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1970	or return;
		1971
		1972	$self->_load_header ($f)
		1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1317		1977
1318	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1319		1979
1320	1	1980	1
1321	}	1981	}
…		…
1360	$self->load_header_orig	2020	$self->load_header_orig
1361	or return;	2021	or return;
1362	$self->prepare_orig;	2022	$self->prepare_orig;
1363	}	2023	}
1364		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
		2030
1365	1	2031	1
1366	}	2032	}
1367		2033
1368	sub find;	2034	sub find;
1369	sub find {	2035	sub find {
1370	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1371		2037
1372	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1373		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1375		2042
1376	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1377	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1378	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1379	or return;	2048	or return;
1380		2049
1381	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1382		2051
1383	$map->load_header	2052	$map->load_header
1384	or return;	2053	or return;
1385		2054
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1389	$map->reset;	2060	$map->reset;
1390	undef $guard;
1391	return find $path;	2061	return find $path;
1392	}	2062	}
1393		2063
1394	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1395	}	2065	}
…		…
1402	my ($self) = @_;	2072	my ($self) = @_;
1403		2073
1404	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1405		2075
1406	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1408		2080
		2081	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2083
1411	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1412		2085
1413	$self->alloc;	2086	$self->alloc;
1414		2087
1415	$self->pre_load;	2088	$self->pre_load;
		2089	cf::cede_to_tick;
1416		2090
1417	$self->_load_objects ($self->{load_path}, 1)	2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1418	or return;	2094	or return;
1419		2095
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1421	if delete $self->{load_original};	2097	if delete $self->{load_original};
1422		2098
1423	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2100	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2103	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1428	}	2107	}
1429	}	2108	}
1430		2109
1431	Coro::cede;	2110	$f->resolve_delayed_derefs;
1432		2111
		2112	cf::cede_to_tick;
1433	# now do the right thing for maps	2113	# now do the right thing for maps
1434	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2116	unless $self->difficulty;
1444	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1445	$self->activate;	2126	$self->activate;
		2127	}
		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
		2132	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2133	}
1447		2134
1448	$self->post_load;	2135	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2136	}
1452		2137
1453	sub customise_for {	2138	sub customise_for {
1454	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1455		2140
1456	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2142	if $self->per_player;
1458		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1459	$self	2147	$self
1460	}	2148	}
1461		2149
1462	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2151	sub load_neighbours {
1464	my ($map) = @_;	2152	my ($map) = @_;
1465		2153
1466	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1467		2155
1468	for (0 .. 3) {	2156	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1470	or next;	2158	or next;
1471	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1472	or next;	2160	or next;
1473	$neigh->load;	2161	$neigh->load;
1474		2162
		2163	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2166	}
1478		2167
1479	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1481	or next;	2171	or next;
1482	$neigh->load;	2172	$neigh->load;
1483	}	2173	}
1484	}	2174	}
1485		2175
…		…
1490	}	2180	}
1491		2181
1492	sub do_load_sync {	2182	sub do_load_sync {
1493	my ($map) = @_;	2183	my ($map) = @_;
1494		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1495	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1496	}	2189	}
1497		2190
1498	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1500		2193
1501	sub find_async {	2194	sub find_async {
1502	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1503		2196
1504	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1505		2198
1506	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2201	}
1509		2202
1510	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1511	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1512	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2210	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2211	$map->load if $v;
		2212	}
1517		2213
1518	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1519	}	2215	}
1520	}	2216	}
1521	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1522	};	2218	};
1523	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2222	}
1527		2223
1528	sub save {	2224	sub save {
1529	my ($self) = @_;	2225	my ($self) = @_;
1530		2226
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2228
1533	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1534		2230
1535	return unless $self->dirty;	2231	return unless $self->dirty;
1536		2232
…		…
1542	return if $self->{deny_save};	2238	return if $self->{deny_save};
1543		2239
1544	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1545		2241
1546	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1548	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1549		2248
1550	if ($uniq) {	2249	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2252	} else {
…		…
1559	my ($self) = @_;	2258	my ($self) = @_;
1560		2259
1561	# save first because save cedes	2260	# save first because save cedes
1562	$self->save;	2261	$self->save;
1563		2262
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2264
1566	return if $self->players;	2265	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1568	return if $self->{deny_save};	2267	return if $self->{deny_save};
1569		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2273	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2274	}
1573		2275
1574	sub reset_at {	2276	sub reset_at {
1575	my ($self) = @_;	2277	my ($self) = @_;
1576		2278
1577	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1580		2281
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2284
…		…
1594	my ($self) = @_;	2295	my ($self) = @_;
1595		2296
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2298
1598	return if $self->players;	2299	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2300
1601	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
		2302
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# need to save uniques path
		2306	unless ($self->{deny_save}) {
		2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2308
		2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2310	if $uniq;
		2311	}
1602		2312
1603	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1604		2314
1605	$self->in_memory (cf::MAP_SWAPPED);	2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2317	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2318
1610	$self->unlink_save;	2319	$self->unlink_save;
1611	$self->destroy;	2320	$self->destroy;
1612	}	2321	}
1613		2322
1614	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1615		2324
1616	sub nuke {	2325	sub nuke {
1617	my ($self) = @_;	2326	my ($self) = @_;
1618		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1619	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1620		2332
1621	$self->unlink_save;	2333	$self->unlink_save;
1622		2334
1623	bless $self, "cf::map";	2335	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2340
1629	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1630		2343
1631	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1632	}	2381	}
1633		2382
1634	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1635		2384
1636	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2386	instantiated unique items. May block.
1638		2387
1639	=cut	2388	=cut
1640		2389
1641	sub unique_maps() {	2390	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1643	or return;	2392	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2393	utf8::decode $_;
1649	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2396	? ()
1652	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2399	]
1654
1655	\@paths
1656	}	2400	}
1657
1658	package cf;
1659		2401
1660	=back	2402	=back
1661		2403
1662	=head3 cf::object	2404	=head3 cf::object
1663		2405
…		…
1667		2409
1668	=over 4	2410	=over 4
1669		2411
1670	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1671		2413
1672	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1673		2416
1674	=cut	2417	=cut
1675		2418
1676	sub inv_recursive_;	2419	sub inv_recursive_;
1677	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1680		2423
1681	sub inv_recursive {	2424	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1683	}	2426	}
1684		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1685	package cf;	2456	package cf;
1686		2457
1687	=back	2458	=back
1688		2459
1689	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1698		2469
1699	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1700		2485
1701	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2487	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1706		2491
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2493
1709	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1711	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1714	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1715	}	2519	}
1716		2520
1717	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1718		2522
1719	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1766	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1767		2571
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2573
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1772		2576
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2578	}
1775		2579
1776	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1778		2584
1779	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1780		2586
1781	unless ($map) {	2587	unless ($map) {
1782	# restore original map position	2588	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1799		2605
1800	$map->load;	2606	$map->load;
1801	$map->load_diag;	2607	$map->load_neighbours;
1802		2608
1803	return unless $self->contr->active;	2609	return unless $self->contr->active;
1804	$self->activate_recursive;	2610	$self->activate_recursive;
		2611
		2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1806	}	2614	}
1807		2615
1808	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2617
1812	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1816	};	2622	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2623
1822	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1823	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2626
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1843		2630
1844	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2636
1847	$self->enter_link;	2637	$self->enter_link;
1848		2638
1849	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
1850	my $map = eval {	2661	my $map = eval {
1851	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
		2666	$map = $check->($map) if $check && $map;
		2667	} else {
		2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
		2670
1853	$map	2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2677	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1858	})->prio (1);	2685	})->prio (1);
1859	}	2686	}
1860		2687
1861	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1862		2689
…		…
1882	}	2709	}
1883		2710
1884	sub prepare_random_map {	2711	sub prepare_random_map {
1885	my ($exit) = @_;	2712	my ($exit) = @_;
1886		2713
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2716	# that depends on the exit object
1892		2717
1893	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2720	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1900	}	2727	}
1901		2728
1902	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1903		2730
1904	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1907		2734
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2737	undef $fh;
1911	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1912		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1915	}	2746	}
1916	}	2747	}
1917		2748
1918	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
1920		2751
1921	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1922		2753
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2754	$self->enter_link;
1933		2755
1934	(async {	2756	(async {
1935	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1936	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
1937	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
1938		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1939	1;	2780	1
1940	}) {	2781	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2786
1946	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2788	$self->leave_link;
1948	}	2789	}
1949	})->prio (1);	2790	})->prio (1);
…		…
1962		2803
1963	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1965		2806
1966	utf8::encode $text;	2807	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2809	}
1969		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	my $pkt = "msg "
		2913	. $self->{json_coder}->encode (
		2914	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2915	);
		2916
		2917	# try lzf for large packets
		2918	$pkt = "lzf " . Compress::LZF::compress $pkt
		2919	if 1024 <= length $pkt and $self->{can_lzf};
		2920
		2921	# split very large packets
		2922	if (8192 < length $pkt and $self->{can_lzf}) {
		2923	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2924	$pkt = "frag";
		2925	}
		2926
		2927	$self->send_packet ($pkt);
		2928	} else {
		2929	if ($color >= 0) {
		2930	# replace some tags by gcfclient-compatible ones
		2931	for ($msg) {
		2932	1 while
		2933	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2934	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2935	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2936	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2937	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2938	}
		2939
		2940	$color &= cf::NDI_COLOR_MASK;
		2941
		2942	utf8::encode $msg;
		2943
		2944	if (0 && $msg =~ /\[/) {
		2945	# COMMAND/INFO
		2946	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2947	} else {
		2948	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2949	$self->send_packet ("drawinfo $color $msg")
		2950	}
		2951	}
		2952	}
		2953	}
		2954
		2955	=item $client->ext_msg ($type, @msg)
		2956
		2957	Sends an ext event to the client.
		2958
		2959	=cut
		2960
		2961	sub cf::client::ext_msg($$@) {
		2962	my ($self, $type, @msg) = @_;
		2963
		2964	if ($self->extcmd == 2) {
		2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2966	} elsif ($self->extcmd == 1) { # TODO: remove
		2967	push @msg, msgtype => "event_$type";
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
		2971
		2972	=item $client->ext_reply ($msgid, @msg)
		2973
		2974	Sends an ext reply to the client.
		2975
		2976	=cut
		2977
		2978	sub cf::client::ext_reply($$@) {
		2979	my ($self, $id, @msg) = @_;
		2980
		2981	if ($self->extcmd == 2) {
		2982	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2983	} elsif ($self->extcmd == 1) {
		2984	#TODO: version 1, remove
		2985	unshift @msg, msgtype => "reply", msgid => $id;
		2986	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2987	}
		2988	}
1970		2989
1971	=item $success = $client->query ($flags, "text", \&cb)	2990	=item $success = $client->query ($flags, "text", \&cb)
1972		2991
1973	Queues a query to the client, calling the given callback with	2992	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2993	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2994	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2995
1977	Queries can fail, so check the return code. Or don't, as queries will become	2996	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2997	become reliable at some point in the future.
1979		2998
1980	=cut	2999	=cut
1981		3000
1982	sub cf::client::query {	3001	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3002	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3010	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3011	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3012
1994	$self->send_packet ($self->{query_queue}[0][0])	3013	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3014	if @{ $self->{query_queue} } == 1;
		3015
		3016	1
1996	}	3017	}
1997		3018
1998	cf::client->attach (	3019	cf::client->attach (
		3020	on_connect => sub {
		3021	my ($ns) = @_;
		3022
		3023	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3024	},
1999	on_reply => sub {	3025	on_reply => sub {
2000	my ($ns, $msg) = @_;	3026	my ($ns, $msg) = @_;
2001		3027
2002	# this weird shuffling is so that direct followup queries	3028	# this weird shuffling is so that direct followup queries
2003	# get handled first	3029	# get handled first
…		…
2015	} else {	3041	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3042	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3043	}
2018	}	3044	}
2019	},	3045	},
		3046	on_exticmd => sub {
		3047	my ($ns, $buf) = @_;
		3048
		3049	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3050
		3051	if (ref $msg) {
		3052	my ($type, $reply, @payload) =
		3053	"ARRAY" eq ref $msg
		3054	? @$msg
		3055	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3056
		3057	my @reply;
		3058
		3059	if (my $cb = $EXTICMD{$type}) {
		3060	@reply = $cb->($ns, @payload);
		3061	}
		3062
		3063	$ns->ext_reply ($reply, @reply)
		3064	if $reply;
		3065
		3066	} else {
		3067	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3068	}
		3069
		3070	cf::override;
		3071	},
2020	);	3072	);
2021		3073
2022	=item $client->async (\&cb)	3074	=item $client->async (\&cb)
2023		3075
2024	Create a new coroutine, running the specified callback. The coroutine will	3076	Create a new coroutine, running the specified callback. The coroutine will
…		…
2065	our $safe = new Safe "safe";	3117	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3118	our $safe_hole = new Safe::Hole;
2067		3119
2068	$SIG{FPE} = 'IGNORE';	3120	$SIG{FPE} = 'IGNORE';
2069		3121
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3122	$safe->permit_only (Opcode::opset qw(
		3123	:base_core :base_mem :base_orig :base_math
		3124	grepstart grepwhile mapstart mapwhile
		3125	sort time
		3126	));
2071		3127
2072	# here we export the classes and methods available to script code	3128	# here we export the classes and methods available to script code
2073		3129
2074	=pod	3130	=pod
2075		3131
2076	The following fucntions and emthods are available within a safe environment:	3132	The following functions and methods are available within a safe environment:
2077		3133
2078	cf::object contr pay_amount pay_player map	3134	cf::object
		3135	contr pay_amount pay_player map x y force_find force_add destroy
		3136	insert remove name archname title slaying race decrease split
		3137
2079	cf::object::player player	3138	cf::object::player
2080	cf::player peaceful	3139	player
2081	cf::map trigger	3140
		3141	cf::player
		3142	peaceful
		3143
		3144	cf::map
		3145	trigger
2082		3146
2083	=cut	3147	=cut
2084		3148
2085	for (	3149	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3150	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3151	insert remove inv nrof name archname title slaying race
		3152	decrease split destroy change_exp)],
2087	["cf::object::player" => qw(player)],	3153	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3154	["cf::player" => qw(peaceful)],
2089	["cf::map" => qw(trigger)],	3155	["cf::map" => qw(trigger)],
2090	) {	3156	) {
2091	no strict 'refs';	3157	no strict 'refs';
…		…
2162	=back	3228	=back
2163		3229
2164	=cut	3230	=cut
2165		3231
2166	#############################################################################	3232	#############################################################################
2167
2168	=head2 EXTENSION DATABASE SUPPORT
2169
2170	Crossfire maintains a very simple database for extension use. It can
2171	currently store anything that can be serialised using Storable, which
2172	excludes objects.
2173
2174	The parameter C<$family> should best start with the name of the extension
2175	using it, it should be unique.
2176
2177	=over 4
2178
2179	=item $hashref = cf::db_get $family
2180
2181	Return a hashref for use by the extension C<$family>, which can be
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database
2188
2189	=item cf::db_put $family => $hashref
2190
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}
2217
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}
2229
2230	my $dirty;
2231
2232	sub db_sync() {
2233	db_save if $dirty;
2234	undef $dirty;
2235	}
2236
2237	my $idle = Event->idle (
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},
2271	);
2272	}
2273
2274	#############################################################################
2275	# the server's init and main functions	3233	# the server's init and main functions
2276		3234
		3235	sub load_facedata($) {
		3236	my ($path) = @_;
		3237
		3238	# HACK to clear player env face cache, we need some signal framework
		3239	# for this (global event?)
		3240	%ext::player_env::MUSIC_FACE_CACHE = ();
		3241
		3242	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3243
		3244	warn "loading facedata from $path\n";
		3245
		3246	my $facedata;
		3247	0 < aio_load $path, $facedata
		3248	or die "$path: $!";
		3249
		3250	$facedata = Coro::Storable::thaw $facedata;
		3251
		3252	$facedata->{version} == 2
		3253	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3254
		3255	# patch in the exptable
		3256	$facedata->{resource}{"res/exp_table"} = {
		3257	type => FT_RSRC,
		3258	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3259	};
		3260	cf::cede_to_tick;
		3261
		3262	{
		3263	my $faces = $facedata->{faceinfo};
		3264
		3265	while (my ($face, $info) = each %$faces) {
		3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3267
		3268	cf::face::set_visibility $idx, $info->{visibility};
		3269	cf::face::set_magicmap $idx, $info->{magicmap};
		3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3272
		3273	cf::cede_to_tick;
		3274	}
		3275
		3276	while (my ($face, $info) = each %$faces) {
		3277	next unless $info->{smooth};
		3278
		3279	my $idx = cf::face::find $face
		3280	or next;
		3281
		3282	if (my $smooth = cf::face::find $info->{smooth}) {
		3283	cf::face::set_smooth $idx, $smooth;
		3284	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3285	} else {
		3286	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3287	}
		3288
		3289	cf::cede_to_tick;
		3290	}
		3291	}
		3292
		3293	{
		3294	my $anims = $facedata->{animinfo};
		3295
		3296	while (my ($anim, $info) = each %$anims) {
		3297	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3298	cf::cede_to_tick;
		3299	}
		3300
		3301	cf::anim::invalidate_all; # d'oh
		3302	}
		3303
		3304	{
		3305	# TODO: for gcfclient pleasure, we should give resources
		3306	# that gcfclient doesn't grok a >10000 face index.
		3307	my $res = $facedata->{resource};
		3308
		3309	while (my ($name, $info) = each %$res) {
		3310	if (defined $info->{type}) {
		3311	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3312	my $data;
		3313
		3314	if ($info->{type} & 1) {
		3315	# prepend meta info
		3316
		3317	my $meta = $enc->encode ({
		3318	name => $name,
		3319	%{ $info->{meta} || {} },
		3320	});
		3321
		3322	$data = pack "(w/a*)*", $meta, $info->{data};
		3323	} else {
		3324	$data = $info->{data};
		3325	}
		3326
		3327	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3328	cf::face::set_type $idx, $info->{type};
		3329	} else {
		3330	$RESOURCE{$name} = $info;
		3331	}
		3332
		3333	cf::cede_to_tick;
		3334	}
		3335	}
		3336
		3337	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3338
		3339	1
		3340	}
		3341
		3342	cf::global->attach (on_resource_update => sub {
		3343	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3344	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3345
		3346	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3347	my $sound = $soundconf->{compat}[$_]
		3348	or next;
		3349
		3350	my $face = cf::face::find "sound/$sound->[1]";
		3351	cf::sound::set $sound->[0] => $face;
		3352	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3353	}
		3354
		3355	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3356	my $face = cf::face::find "sound/$v";
		3357	cf::sound::set $k => $face;
		3358	}
		3359	}
		3360	});
		3361
		3362	register_exticmd fx_want => sub {
		3363	my ($ns, $want) = @_;
		3364
		3365	while (my ($k, $v) = each %$want) {
		3366	$ns->fx_want ($k, $v);
		3367	}
		3368	};
		3369
2277	sub load_resources {	3370	sub load_resource_file($) {
2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3371	my $guard = lock_acquire "load_resource_file";
		3372
		3373	my $status = load_resource_file_ $_[0];
		3374	get_slot 0.1, 100;
		3375	cf::arch::commit_load;
		3376
		3377	$status
		3378	}
		3379
		3380	sub reload_regions {
		3381	# HACK to clear player env face cache, we need some signal framework
		3382	# for this (global event?)
		3383	%ext::player_env::MUSIC_FACE_CACHE = ();
		3384
		3385	load_resource_file "$MAPDIR/regions"
2279	or die "unable to load regions file\n";#d#	3386	or die "unable to load regions file\n";
2280	}
2281		3387
2282	sub cfg_load {	3388	for (cf::region::list) {
		3389	$_->{match} = qr/$_->{match}/
		3390	if exists $_->{match};
		3391	}
		3392	}
		3393
		3394	sub reload_facedata {
		3395	load_facedata "$DATADIR/facedata"
		3396	or die "unable to load facedata\n";
		3397	}
		3398
		3399	sub reload_archetypes {
		3400	load_resource_file "$DATADIR/archetypes"
		3401	or die "unable to load archetypes\n";
		3402	}
		3403
		3404	sub reload_treasures {
		3405	load_resource_file "$DATADIR/treasures"
		3406	or die "unable to load treasurelists\n";
		3407	}
		3408
		3409	sub reload_resources {
		3410	warn "reloading resource files...\n";
		3411
		3412	reload_facedata;
		3413	reload_archetypes;
		3414	reload_regions;
		3415	reload_treasures;
		3416
		3417	warn "finished reloading resource files\n";
		3418	}
		3419
		3420	sub init {
		3421	my $guard = freeze_mainloop;
		3422
		3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	reload_resources;
		3426	}
		3427
		3428	sub reload_config {
2283	open my $fh, "<:utf8", cf::confdir . "/config"	3429	open my $fh, "<:utf8", "$CONFDIR/config"
2284	or return;	3430	or return;
2285		3431
2286	local $/;	3432	local $/;
2287	*CFG = YAML::Syck::Load <$fh>;	3433	*CFG = YAML::Load <$fh>;
2288		3434
2289	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2290		3436
2291	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3437	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2292	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3438	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2298	};	3444	};
2299	warn $@ if $@;	3445	warn $@ if $@;
2300	}	3446	}
2301	}	3447	}
2302		3448
2303	sub init {
2304	load_resources;
2305	}
2306
2307	sub main {	3449	sub main {
2308	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2309	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2310	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2311	(async {	3453	(async {
2312	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
2313	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
2314	};	3457	};
2315		3458
2316	cfg_load;	3459	{
2317	db_load;	3460	my $guard = freeze_mainloop;
		3461	reload_config;
		3462	db_init;
2318	load_extensions;	3463	load_extensions;
2319		3464
2320	$TICK_WATCHER->start;	3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466	}
		3467
2321	Event::loop;	3468	EV::loop;
2322	}	3469	}
2323		3470
2324	#############################################################################	3471	#############################################################################
2325	# initialisation and cleanup	3472	# initialisation and cleanup
2326		3473
2327	# install some emergency cleanup handlers	3474	# install some emergency cleanup handlers
2328	BEGIN {	3475	BEGIN {
		3476	our %SIGWATCHER = ();
2329	for my $signal (qw(INT HUP TERM)) {	3477	for my $signal (qw(INT HUP TERM)) {
2330	Event->signal (	3478	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2331	reentrant => 0,
2332	data => WF_AUTOCANCEL,
2333	signal => $signal,
2334	prio => 0,
2335	cb => sub {
2336	cf::cleanup "SIG$signal";	3479	cf::cleanup "SIG$signal";
2337	},
2338	);	3480	};
		3481	}
		3482	}
		3483
		3484	sub write_runtime_sync {
		3485	my $runtime = "$LOCALDIR/runtime";
		3486
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $runtime, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$runtime~", $runtime
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2339	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3537	$uuid_skip = 0;
		3538
		3539	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3540	and return;
		3541
		3542	# always fsync - this file is important
		3543	aio_fsync $fh
		3544	and return;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$uuid~", $uuid
		3550	and return;
		3551
		3552	warn "uuid file written ($value).\n";
		3553
		3554	1
		3555
		3556	}
		3557
		3558	sub write_uuid($$) {
		3559	my ($skip, $sync) = @_;
		3560
		3561	$sync ? write_uuid_sync $skip
		3562	: async { write_uuid_sync $skip };
2340	}	3563	}
2341		3564
2342	sub emergency_save() {	3565	sub emergency_save() {
2343	my $freeze_guard = cf::freeze_mainloop;	3566	my $freeze_guard = cf::freeze_mainloop;
2344		3567
…		…
2350	# and maps saved/destroyed asynchronously.	3573	# and maps saved/destroyed asynchronously.
2351	warn "begin emergency player save\n";	3574	warn "begin emergency player save\n";
2352	for my $login (keys %cf::PLAYER) {	3575	for my $login (keys %cf::PLAYER) {
2353	my $pl = $cf::PLAYER{$login} or next;	3576	my $pl = $cf::PLAYER{$login} or next;
2354	$pl->valid or next;	3577	$pl->valid or next;
		3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2355	$pl->save;	3579	$pl->save;
2356	}	3580	}
2357	warn "end emergency player save\n";	3581	warn "end emergency player save\n";
2358		3582
2359	warn "begin emergency map save\n";	3583	warn "begin emergency map save\n";
…		…
2361	my $map = $cf::MAP{$path} or next;	3585	my $map = $cf::MAP{$path} or next;
2362	$map->valid or next;	3586	$map->valid or next;
2363	$map->save;	3587	$map->save;
2364	}	3588	}
2365	warn "end emergency map save\n";	3589	warn "end emergency map save\n";
		3590
		3591	warn "begin emergency database checkpoint\n";
		3592	BDB::db_env_txn_checkpoint $DB_ENV;
		3593	warn "end emergency database checkpoint\n";
		3594
		3595	warn "begin write uuid\n";
		3596	write_uuid_sync 1;
		3597	warn "end write uuid\n";
2366	};	3598	};
2367		3599
2368	warn "leave emergency perl save\n";	3600	warn "leave emergency perl save\n";
2369	}	3601	}
2370		3602
		3603	sub post_cleanup {
		3604	my ($make_core) = @_;
		3605
		3606	warn Carp::longmess "post_cleanup backtrace"
		3607	if $make_core;
		3608	}
		3609
		3610	# a safer delete_package, copied from Symbol
		3611	sub clear_package($) {
		3612	my $pkg = shift;
		3613
		3614	# expand to full symbol table name if needed
		3615	unless ($pkg =~ /^main::.*::$/) {
		3616	$pkg = "main$pkg" if $pkg =~ /^::/;
		3617	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3618	$pkg .= '::' unless $pkg =~ /::$/;
		3619	}
		3620
		3621	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3622	my $stem_symtab = *{$stem}{HASH};
		3623
		3624	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3625	or return;
		3626
		3627	# clear all symbols
		3628	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3629	for my $name (keys %$leaf_symtab) {
		3630	_gv_clear *{"$pkg$name"};
		3631	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3632	}
		3633	warn "cleared package #$pkg\n";#d#
		3634	}
		3635
		3636	our $RELOAD; # how many times to reload
		3637
2371	sub reload() {	3638	sub do_reload_perl() {
2372	# can/must only be called in main	3639	# can/must only be called in main
2373	if ($Coro::current != $Coro::main) {	3640	if ($Coro::current != $Coro::main) {
2374	warn "can only reload from main coroutine";	3641	warn "can only reload from main coroutine";
2375	return;	3642	return;
2376	}	3643	}
2377		3644
		3645	return if $RELOAD++;
		3646
		3647	while ($RELOAD) {
2378	warn "reloading...";	3648	warn "reloading...";
2379		3649
2380	warn "cancelling server ticker";	3650	warn "entering sync_job";
2381	$TICK_WATCHER->cancel;
2382		3651
		3652	cf::sync_job {
		3653	cf::write_runtime_sync; # external watchdog should not bark
2383	cf::emergency_save;	3654	cf::emergency_save;
		3655	cf::write_runtime_sync; # external watchdog should not bark
2384		3656
2385	eval {	3657	warn "syncing database to disk";
		3658	BDB::db_env_txn_checkpoint $DB_ENV;
		3659
2386	# if anything goes wrong in here, we should simply crash as we already saved	3660	# if anything goes wrong in here, we should simply crash as we already saved
2387		3661
2388	warn "syncing database to disk";
2389	cf::db_sync;
2390
2391	warn "cancelling all WF_AUTOCANCEL watchers";
2392	for (Event::all_watchers) {
2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2394	}
2395
2396	warn "flushing outstanding aio requests";	3662	warn "flushing outstanding aio requests";
2397	for (;;) {	3663	while (IO::AIO::nreqs || BDB::nreqs) {
2398	IO::AIO::flush;	3664	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2399	Coro::cede;
2400	last unless IO::AIO::nreqs;
2401	warn "iterate...";
2402	}
2403
2404	warn "cancelling all extension coros";
2405	$_->cancel for values %EXT_CORO;
2406	%EXT_CORO = ();
2407
2408	warn "removing commands";
2409	%COMMAND = ();
2410
2411	warn "removing ext commands";
2412	%EXTCMD = ();
2413
2414	warn "unloading/nuking all extensions";
2415	for my $pkg (@EXTS) {
2416	warn "... unloading $pkg";
2417
2418	if (my $cb = $pkg->can ("unload")) {
2419	eval {
2420	$cb->($pkg);
2421	1
2422	} or warn "$pkg unloaded, but with errors: $@";
2423	}	3665	}
2424		3666
2425	warn "... nuking $pkg";	3667	warn "cancelling all extension coros";
2426	Symbol::delete_package $pkg;	3668	$_->cancel for values %EXT_CORO;
2427	}	3669	%EXT_CORO = ();
2428		3670
2429	warn "unloading all perl modules loaded from $LIBDIR";	3671	warn "removing commands";
2430	while (my ($k, $v) = each %INC) {	3672	%COMMAND = ();
2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2432		3673
		3674	warn "removing ext/exti commands";
		3675	%EXTCMD = ();
		3676	%EXTICMD = ();
		3677
		3678	warn "unloading/nuking all extensions";
		3679	for my $pkg (@EXTS) {
2433	warn "... unloading $k";	3680	warn "... unloading $pkg";
2434	delete $INC{$k};
2435		3681
2436	$k =~ s/\.pm$//;
2437	$k =~ s/\//::/g;
2438
2439	if (my $cb = $k->can ("unload_module")) {	3682	if (my $cb = $pkg->can ("unload")) {
		3683	eval {
2440	$cb->();	3684	$cb->($pkg);
		3685	1
		3686	} or warn "$pkg unloaded, but with errors: $@";
		3687	}
		3688
		3689	warn "... clearing $pkg";
		3690	clear_package $pkg;
2441	}	3691	}
2442		3692
2443	Symbol::delete_package $k;	3693	warn "unloading all perl modules loaded from $LIBDIR";
		3694	while (my ($k, $v) = each %INC) {
		3695	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3696
		3697	warn "... unloading $k";
		3698	delete $INC{$k};
		3699
		3700	$k =~ s/\.pm$//;
		3701	$k =~ s/\//::/g;
		3702
		3703	if (my $cb = $k->can ("unload_module")) {
		3704	$cb->();
		3705	}
		3706
		3707	clear_package $k;
2444	}	3708	}
2445		3709
2446	warn "getting rid of safe::, as good as possible";	3710	warn "getting rid of safe::, as good as possible";
2447	Symbol::delete_package "safe::$_"	3711	clear_package "safe::$_"
2448	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3712	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2449		3713
2450	warn "unloading cf.pm \"a bit\"";	3714	warn "unloading cf.pm \"a bit\"";
2451	delete $INC{"cf.pm"};	3715	delete $INC{"cf.pm"};
		3716	delete $INC{"cf/pod.pm"};
2452		3717
2453	# don't, removes xs symbols, too,	3718	# don't, removes xs symbols, too,
2454	# and global variables created in xs	3719	# and global variables created in xs
2455	#Symbol::delete_package __PACKAGE__;	3720	#clear_package __PACKAGE__;
2456		3721
2457	warn "unload completed, starting to reload now";	3722	warn "unload completed, starting to reload now";
2458		3723
2459	warn "reloading cf.pm";	3724	warn "reloading cf.pm";
2460	require cf;	3725	require cf;
2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2462		3727
2463	warn "loading config and database again";	3728	warn "loading config and database again";
2464	cf::cfg_load;	3729	cf::reload_config;
2465	cf::db_load;
2466		3730
2467	warn "loading extensions";	3731	warn "loading extensions";
2468	cf::load_extensions;	3732	cf::load_extensions;
2469		3733
2470	warn "reattaching attachments to objects/players";	3734	warn "reattaching attachments to objects/players";
2471	_global_reattach;	3735	_global_reattach; # objects, sockets
2472	warn "reattaching attachments to maps";	3736	warn "reattaching attachments to maps";
2473	reattach $_ for values %MAP;	3737	reattach $_ for values %MAP;
		3738	warn "reattaching attachments to players";
		3739	reattach $_ for values %PLAYER;
2474		3740
2475	warn "loading reloadable resources";	3741	warn "leaving sync_job";
2476	load_resources;
2477		3742
2478	warn "restarting server ticker";	3743	1
		3744	} or do {
		3745	warn $@;
		3746	cf::cleanup "error while reloading, exiting.";
		3747	};
2479		3748
2480	$TICK_WATCHER->start;	3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752	};
		3753
		3754	our $RELOAD_WATCHER; # used only during reload
		3755
		3756	sub reload_perl() {
		3757	# doing reload synchronously and two reloads happen back-to-back,
		3758	# coro crashes during coro_state_free->destroy here.
		3759
		3760	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
2481	};	3763	};
2482		3764	}
2483	if ($@) {
2484	warn $@;
2485	warn "error while reloading, exiting.";
2486	exit 1;
2487	}
2488
2489	warn "reloaded";
2490	};
2491
2492	our $RELOAD_WATCHER; # used only during reload
2493		3765
2494	register_command "reload" => sub {	3766	register_command "reload" => sub {
2495	my ($who, $arg) = @_;	3767	my ($who, $arg) = @_;
2496		3768
2497	if ($who->flag (FLAG_WIZ)) {	3769	if ($who->flag (FLAG_WIZ)) {
2498	$who->message ("reloading server.");	3770	$who->message ("reloading server.");
2499		3771	async {
2500	# doing reload synchronously and two reloads happen back-to-back,	3772	$Coro::current->{desc} = "perl_reload";
2501	# coro crashes during coro_state_free->destroy here.
2502
2503	$RELOAD_WATCHER ||= Event->timer (
2504	reentrant => 0,
2505	after => 0,
2506	data => WF_AUTOCANCEL,
2507	cb => sub {
2508	reload;	3773	reload_perl;
2509	undef $RELOAD_WATCHER;
2510	},
2511	);	3774	};
2512	}	3775	}
2513	};	3776	};
2514		3777
2515	unshift @INC, $LIBDIR;	3778	unshift @INC, $LIBDIR;
2516		3779
2517	my $bug_warning = 0;	3780	my $bug_warning = 0;
2518		3781
2519	$TICK_WATCHER = Event->timer (	3782	our @WAIT_FOR_TICK;
2520	reentrant => 0,	3783	our @WAIT_FOR_TICK_BEGIN;
2521	parked => 1,	3784
2522	prio => 0,	3785	sub wait_for_tick {
2523	at => $NEXT_TICK || $TICK,	3786	return if tick_inhibit || $Coro::current == $Coro::main;
2524	data => WF_AUTOCANCEL,	3787
2525	cb => sub {	3788	my $signal = new Coro::Signal;
		3789	push @WAIT_FOR_TICK, $signal;
		3790	$signal->wait;
		3791	}
		3792
		3793	sub wait_for_tick_begin {
		3794	return if tick_inhibit || $Coro::current == $Coro::main;
		3795
		3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK_BEGIN, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub tick {
2526	if ($Coro::current != $Coro::main) {	3802	if ($Coro::current != $Coro::main) {
2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3803	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2528	unless ++$bug_warning > 10;	3804	unless ++$bug_warning > 10;
2529	return;	3805	return;
2530	}	3806	}
2531		3807
2532	$NOW = Event::time;
2533
2534	cf::server_tick; # one server iteration	3808	cf::server_tick; # one server iteration
2535	$RUNTIME += $TICK;
2536	$NEXT_TICK += $TICK;
2537		3809
2538	$WAIT_FOR_TICK->broadcast;	3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2540		3812	Coro::async_pool {
2541	Event::sweep;	3813	$Coro::current->{desc} = "runtime saver";
2542	Coro::cede_notself;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},
2553	);
2554
2555	IO::AIO::max_poll_time $TICK * 0.1;
2556
2557	undef $Coro::AIO::WATCHER;
2558	$AIO_POLL_WATCHER = Event->io (
2559	reentrant => 0,
2560	fd => IO::AIO::poll_fileno,
2561	poll => 'r',
2562	prio => 6,
2563	data => WF_AUTOCANCEL,
2564	cb => \&IO::AIO::poll_cb,
2565	);
2566
2567	$WRITE_RUNTIME_WATCHER = Event->timer (
2568	reentrant => 0,
2569	data => WF_AUTOCANCEL,
2570	after => 1,
2571	interval => 10,
2572	prio => 6, # keep it lowest so it acts like a watchdog
2573	cb => Coro::unblock_sub {
2574	write_runtime	3814	write_runtime_sync
2575	or warn "ERROR: unable to write runtime file: $!";	3815	or warn "ERROR: unable to write runtime file: $!";
		3816	};
2576	},	3817	}
2577	);	3818
		3819	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3820	$sig->send;
		3821	}
		3822	while (my $sig = shift @WAIT_FOR_TICK) {
		3823	$sig->send;
		3824	}
		3825
		3826	$LOAD = ($NOW - $TICK_START) / $TICK;
		3827	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3828
		3829	if (0) {
		3830	if ($NEXT_TICK) {
		3831	my $jitter = $TICK_START - $NEXT_TICK;
		3832	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3833	warn "jitter $JITTER\n";#d#
		3834	}
		3835	}
		3836	}
		3837
		3838	{
		3839	# configure BDB
		3840
		3841	BDB::min_parallel 8;
		3842	BDB::max_poll_reqs $TICK * 0.1;
		3843	$AnyEvent::BDB::WATCHER->priority (1);
		3844
		3845	unless ($DB_ENV) {
		3846	$DB_ENV = BDB::db_env_create;
		3847	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3848	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3849	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3850	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3851	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3852
		3853	cf::sync_job {
		3854	eval {
		3855	BDB::db_env_open
		3856	$DB_ENV,
		3857	$BDBDIR,
		3858	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3859	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3860	0666;
		3861
		3862	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3863	};
		3864
		3865	cf::cleanup "db_env_open(db): $@" if $@;
		3866	};
		3867	}
		3868
		3869	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3870	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3871	};
		3872	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3873	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3874	};
		3875	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3876	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3877	};
		3878	}
		3879
		3880	{
		3881	# configure IO::AIO
		3882
		3883	IO::AIO::min_parallel 8;
		3884	IO::AIO::max_poll_time $TICK * 0.1;
		3885	undef $AnyEvent::AIO::WATCHER;
		3886	}
		3887
		3888	my $_log_backtrace;
		3889
		3890	sub _log_backtrace {
		3891	my ($msg, @addr) = @_;
		3892
		3893	$msg =~ s/\n//;
		3894
		3895	# limit the # of concurrent backtraces
		3896	if ($_log_backtrace < 2) {
		3897	++$_log_backtrace;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $msg\n";
		3919	LOG llevInfo, "[ABT] $_\n" for @bt;
		3920	--$_log_backtrace;
		3921	};
		3922	} else {
		3923	LOG llevInfo, "[ABT] $msg\n";
		3924	LOG llevInfo, "[ABT] [suppressed]\n";
		3925	}
		3926	}
		3927
		3928	# load additional modules
		3929	use cf::pod;
2578		3930
2579	END { cf::emergency_save }	3931	END { cf::emergency_save }
2580		3932
2581	1	3933	1
2582		3934

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