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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 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 Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	85
		86	our $CONFDIR = confdir;
		87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		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;
60		98
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	101	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	107	our $DB_ENV;
71		108
72	our %CFG;	109	our %CFG;
73		110
74	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
76		114
77	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		118
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $TICK_START; # for load detecting purposes
		126
86	binmode STDOUT;	127	binmode STDOUT;
87	binmode STDERR;	128	binmode STDERR;
88		129
89	# read virtual server time, if available	130	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
94	}	135	}
95		136
96	mkdir cf::localdir;	137	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		139
103	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
104		141
105	sub cf::map::normalise;	142	sub cf::map::normalise;
106		143
…		…
117	=item $cf::RUNTIME	154	=item $cf::RUNTIME
118		155
119	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
120	every server tick.	157	every server tick.
121		158
122	=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
123		162
124	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		167
127	=item $cf::NOW	168	=item $cf::NOW
128		169
129	The time of the last (current) server tick.	170	The time of the last (current) server tick.
130		171
131	=item $cf::TICK	172	=item $cf::TICK
132		173
133	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	186	=item %cf::CFG
136		187
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	189	from wherever your confdir points to.
139		190
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		192
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	194	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		202
146	=back	203	=back
147		204
148	=cut	205	=cut
149		206
150	BEGIN {	207	BEGIN {
…		…
152	my $msg = join "", @_;	209	my $msg = join "", @_;
153		210
154	$msg .= "\n"	211	$msg .= "\n"
155	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
156		213
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		215
159	utf8::encode $msg;
160	LOG llevError, $msg;	216	LOG llevError, $msg;
161	};	217	};
162	}	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#?
163		234
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		242
171	# 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
172	# within the Safe compartment.	244	# within the Safe compartment.
173	for my $pkg (qw(	245	for my $pkg (qw(
174	cf::global cf::attachable	246	cf::global cf::attachable
175	cf::object cf::object::player	247	cf::object cf::object::player
176	cf::client cf::player	248	cf::client cf::player
177	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
178	cf::map cf::party cf::region	251	cf::party cf::region
179	)) {	252	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	254	}
183		255
184	$Event::DIED = sub {	256	$EV::DIED = sub {
185	warn "error in event callback: @_";	257	warn "error in event callback: @_";
186	};	258	};
		259
		260	#############################################################################
187		261
188	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
189		263
190	=over 4	264	=over 4
191		265
…		…
210	$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;
211	$d	285	$d
212	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
213	}	287	}
214		288
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
218		290
219	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
220		292
221	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
222		294
223	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
224		303
225	=item cf::lock_wait $string	304	=item cf::lock_wait $string
226		305
227	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
228		307
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
234	returned.	313	returned.
235		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
236	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
237	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
238		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
239	=cut	325	=cut
240		326
241	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
242		329
243	sub lock_wait($) {	330	sub lock_wait($) {
244	my ($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#
245		337
246	# wait for lock, if any	338	# wait for lock, if any
247	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	341	Coro::schedule;
…		…
255		347
256	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
257	lock_wait $key;	349	lock_wait $key;
258		350
259	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
260		353
261	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
264	}	358	}
265	}	359	}
266		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
267	sub freeze_mainloop {	367	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
269		369
270	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	371	}
		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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
272	};	431	}
273	$TICK_WATCHER->stop;	432	};
274	$guard	433
		434	sub get_slot($;$$) {
		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	$sig->wait;
275	}	446	}
276		447
277	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
278		449
279	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		455
285	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
286		457
287	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
288		459
289	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
292		464
293	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
296	fast or be very important.	468	fast or be very important.
…		…
299		471
300	sub sync_job(&) {	472	sub sync_job(&) {
301	my ($job) = @_;	473	my ($job) = @_;
302		474
303	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
304	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
306		480
307	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	482
309	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
310		484
311	my $busy = 1;	485	my $busy = 1;
312	my @res;	486	my @res;
313		487
314	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	490	@res = eval { $job->() };
316	warn $@ if $@;	491	warn $@ if $@;
317	undef $busy;	492	undef $busy;
318	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
319		494
320	while ($busy) {	495	while ($busy) {
321	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
322	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
323		506
324	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
325	} else {	508	} else {
326	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
327		510
…		…
347	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
348		531
349	$coro	532	$coro
350	}	533	}
351		534
352	sub write_runtime {	535	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		536
355	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		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.
356		541
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
358	or return;
359		543
360	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		546
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
365	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
366		550
367	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	552	reset_signals;
369	and return;	553	&$cb
		554	}, @args;
370		555
371	close $fh	556	wantarray ? @res : $res[-1]
372	or return;	557	}
373		558
374	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
375	and return;
376		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
377	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
378	}	711	}
379		712
380	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
381		714
382	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
402		735
403	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>
404	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
405	crossfire+).	738	Deliantra).
406		739
407	=over 4	740	=over 4
408		741
409	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
410		743
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
574		907
575	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		912
580	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	914	my $pkg = shift @arg;
582		915
583	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
613	}	946	}
614		947
615	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
616	} else {	949	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	951	}
619		952
620	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
621	}	954	}
622		955
…		…
624	if (ref $_[0]) {	957	if (ref $_[0]) {
625	_object_attach @_;	958	_object_attach @_;
626	} else {	959	} else {
627	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
628	}	961	}
		962	_recalc_want;
629	};	963	};
630		964
631	# all those should be optimised	965	# all those should be optimised
632	sub cf::attachable::detach {	966	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
637	reattach ($obj);	971	reattach ($obj);
638	} else {	972	} else {
639	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
640	}	974	}
		975	_recalc_want;
641	};	976	};
642		977
643	sub cf::attachable::attached {	978	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
645		980
…		…
660	";	995	";
661	die if $@;	996	die if $@;
662	}	997	}
663		998
664	our $override;	999	our $override;
665	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?
666		1001
667	sub override {	1002	sub override {
668	$override = 1;	1003	$override = 1;
669	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
670	}	1005	}
671		1006
672	sub do_invoke {	1007	sub do_invoke {
673	my $event = shift;	1008	my $event = shift;
674	my $callbacks = shift;	1009	my $callbacks = shift;
675		1010
676	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
677		1012
678	local $override;	1013	local $override;
679		1014
680	for (@$callbacks) {	1015	for (@$callbacks) {
681	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
690	}	1025	}
691		1026
692	0	1027	0
693	}	1028	}
694		1029
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1031
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1033
699	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
700		1035
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1039
705	=back	1040	=back
706		1041
707	=cut	1042	=cut
708		1043
709	#############################################################################	1044	#############################################################################
710	# 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, $ob2
		1087	}
711		1088
712	sub reattach {	1089	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1091	my ($obj) = @_;
715		1092
		1093	# no longer needed after getting rid of delete_package?
716	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
717		1095
718	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
719		1097
720	@$registry = ();	1098	@$registry = ();
721		1099
…		…
736	cf::attachable->attach (	1114	cf::attachable->attach (
737	prio => -1000000,	1115	prio => -1000000,
738	on_instantiate => sub {	1116	on_instantiate => sub {
739	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
740		1118
741	$data = from_json $data;	1119	$data = decode_json $data;
742		1120
743	for (@$data) {	1121	for (@$data) {
744	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
745		1123
746	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1140	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
764		1142
765	sync_job {	1143	sync_job {
766	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
769		1148
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1153	aio_close $fh;
775		1154
776	if (@$objs) {	1155	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1161	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
784	}	1163	}
785	} else {	1164	} else {
786	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
787	}	1166	}
…		…
792	}	1171	}
793	} else {	1172	} else {
794	aio_unlink $filename;	1173	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
796	}	1175	}
797	}	1176	};
798	}	1177	}
799		1178
800	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
802		1181
…		…
814	or return;	1193	or return;
815		1194
816	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
818	or return;	1197	or return;
		1198
819	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
820	}	1201	}
821		1202
		1203	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
824	return ($data, $av);	1207	($data, $av)
825	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
826		1215
827	#############################################################################	1216	#############################################################################
828	# command handling &c	1217	# command handling &c
829		1218
830	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1233	}
845		1234
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1236
848	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.
849		1242
850	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
851	called.	1244	called.
852		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
853	=cut	1257	=cut
854		1258
855	sub register_extcmd {	1259	sub register_extcmd {
856	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
857		1261
858	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
859	}	1269	}
860		1270
861	cf::player->attach (	1271	cf::player->attach (
862	on_command => sub {	1272	on_command => sub {
863	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1282	cf::override;
873	},	1283	},
874	on_extcmd => sub {	1284	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
876		1286
877	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1288
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
885	} else {	1304	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1306	}
888		1307
889	cf::override;	1308	cf::override;
890	},	1309	},
891	);	1310	);
892		1311
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
928	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1317	next unless -r $path;
930	eval {	1318
931	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	$progress = 1;
932	1	1375	}
933	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
934	}	1381	};
935	}	1382	}
936		1383
937	#############################################################################	1384	#############################################################################
938		1385
		1386	=back
		1387
939	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
940		1389
941	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
942		1391
943	=cut	1392	=cut
…		…
948		1397
949	=head3 cf::player	1398	=head3 cf::player
950		1399
951	=over 4	1400	=over 4
952		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
953	=item cf::player::find $login	1416	=item cf::player::find $login
954		1417
955	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
956		1419
957	=cut	1420	=cut
958		1421
959	sub playerdir($) {	1422	sub playerdir($) {
960	cf::localdir	1423	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1425	}
966		1426
967	sub path($) {	1427	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
999		1459
1000	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1003	}	1469	}
1004	}	1470	}
1005	}	1471	}
1006		1472
…		…
1015	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1016		1482
1017	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1019		1485
		1486	cf::get_slot 0.01;
		1487
1020	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1021	Coro::cede;	1489	cf::cede_to_tick;
1022	}	1490	}
1023		1491
1024	sub new($) {	1492	sub new($) {
1025	my ($login) = @_;	1493	my ($login) = @_;
1026		1494
…		…
1032	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1033		1501
1034	$self	1502	$self
1035	}	1503	}
1036		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
1037	=item $pl->quit_character	1515	=item $pl->quit_character
1038		1516
1039	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1041		1519
…		…
1045	my ($pl) = @_;	1523	my ($pl) = @_;
1046		1524
1047	my $name = $pl->ob->name;	1525	my $name = $pl->ob->name;
1048		1526
1049	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1050	$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
1051		1529
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1056		1536
1057	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1089		1569
1090	=cut	1570	=cut
1091		1571
1092	sub list_logins {	1572	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1574	or return [];
1095		1575
1096	my @logins;	1576	my @logins;
1097		1577
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1102		1588
1103	utf8::decode $login;	1589	utf8::decode $login;
1104	push @logins, $login;	1590	push @logins, $login;
1105	}	1591	}
1106		1592
…		…
1133	}	1619	}
1134		1620
1135	\@paths	1621	\@paths
1136	}	1622	}
1137		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
1138	=item $player->ext_reply ($msgid, %msg)	1628	=item $player->ext_reply ($msgid, @msg)
1139		1629
1140	Sends an ext reply to the player.	1630	Sends an ext reply to the player.
1141		1631
1142	=cut	1632	=cut
1143		1633
1144	sub ext_reply($$%) {	1634	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1635	my ($self, $id, @msg) = @_;
1146		1636
1147	$msg{msgid} = $id;	1637	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1638	}
1151		1639
1152	=item $player->ext_event ($type, %msg)	1640	=item $player->ext_msg ($type, @msg)
1153		1641
1154	Sends an ext event to the client.	1642	Sends an ext event to the client.
1155		1643
1156	=cut	1644	=cut
1157		1645
1158	sub ext_event($$%) {	1646	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1647	my ($self, $type, @msg) = @_;
1160		1648
1161	$self->ns->ext_event ($type, %msg);	1649	$self->ns->ext_msg ($type, @msg);
1162	}	1650	}
1163		1651
1164	=head3 cf::region	1652	=head3 cf::region
1165		1653
1166	=over 4	1654	=over 4
…		…
1169		1657
1170	package cf::region;	1658	package cf::region;
1171		1659
1172	=item cf::region::find_by_path $path	1660	=item cf::region::find_by_path $path
1173		1661
1174	Tries to decuce the probable region for a map knowing only its path.	1662	Tries to decuce the likely region for a map knowing only its path.
1175		1663
1176	=cut	1664	=cut
1177		1665
1178	sub find_by_path($) {	1666	sub find_by_path($) {
1179	my ($path) = @_;	1667	my ($path) = @_;
1180		1668
1181	my ($match, $specificity);	1669	my ($match, $specificity);
1182		1670
1183	for my $region (list) {	1671	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1672	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1673	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1674	if $region->specificity > $specificity;
1187	}	1675	}
1188	}	1676	}
1189		1677
…		…
1210	our $MAX_RESET = 3600;	1698	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1699	our $DEFAULT_RESET = 3000;
1212		1700
1213	sub generate_random_map {	1701	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1702	my ($self, $rmp) = @_;
		1703
		1704	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1705
1215	# mit "rum" bekleckern, nicht	1706	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1707	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1744	my ($self, $merge) = @_;
1254		1745
1255	# we have to keep some variables in memory intact	1746	# we have to keep some variables in memory intact
1256	local $self->{path};	1747	local $self->{path};
1257	local $self->{load_path};	1748	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1749
1261	$self->SUPER::thawer_merge ($merge);	1750	$self->SUPER::thawer_merge ($merge);
1262	}	1751	}
1263		1752
1264	sub normalise {	1753	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1800	$self->init; # pass $1 etc.
1312	return $self;	1801	return $self;
1313	}	1802	}
1314	}	1803	}
1315		1804
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1805	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1806	()
1318	}	1807	}
1319		1808
1320	sub init {	1809	sub init {
1321	my ($self) = @_;	1810	my ($self) = @_;
…		…
1336		1825
1337	# the original (read-only) location	1826	# the original (read-only) location
1338	sub load_path {	1827	sub load_path {
1339	my ($self) = @_;	1828	my ($self) = @_;
1340		1829
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1830	"$MAPDIR/$self->{path}.map"
1342	}	1831	}
1343		1832
1344	# the temporary/swap location	1833	# the temporary/swap location
1345	sub save_path {	1834	sub save_path {
1346	my ($self) = @_;	1835	my ($self) = @_;
1347		1836
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1837	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1838	"$TMPDIR/$path.map"
1350	}	1839	}
1351		1840
1352	# the unique path, undef == no special unique path	1841	# the unique path, undef == no special unique path
1353	sub uniq_path {	1842	sub uniq_path {
1354	my ($self) = @_;	1843	my ($self) = @_;
1355		1844
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1846	"$UNIQUEDIR/$path"
1358	}	1847	}
1359		1848
1360	# and all this just because we cannot iterate over	1849	# and all this just because we cannot iterate over
1361	# all maps in C++...	1850	# all maps in C++...
1362	sub change_all_map_light {	1851	sub change_all_map_light {
…		…
1364		1853
1365	$_->change_map_light ($change)	1854	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1855	for grep $_->outdoor, values %cf::MAP;
1367	}	1856	}
1368		1857
		1858	sub decay_objects {
		1859	my ($self) = @_;
		1860
		1861	return if $self->{deny_reset};
		1862
		1863	$self->do_decay_objects;
		1864	}
		1865
1369	sub unlink_save {	1866	sub unlink_save {
1370	my ($self) = @_;	1867	my ($self) = @_;
1371		1868
1372	utf8::encode (my $save = $self->save_path);	1869	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1870	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1873
1377	sub load_header_from($) {	1874	sub load_header_from($) {
1378	my ($self, $path) = @_;	1875	my ($self, $path) = @_;
1379		1876
1380	utf8::encode $path;	1877	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1878	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1879	or return;
		1880
		1881	$self->_load_header ($f)
		1882	or return;
		1883
		1884	local $MAP_LOADING{$self->{path}} = $self;
		1885	$f->resolve_delayed_derefs;
1386		1886
1387	$self->{load_path} = $path;	1887	$self->{load_path} = $path;
1388		1888
1389	1	1889	1
1390	}	1890	}
…		…
1429	$self->load_header_orig	1929	$self->load_header_orig
1430	or return;	1930	or return;
1431	$self->prepare_orig;	1931	$self->prepare_orig;
1432	}	1932	}
1433		1933
		1934	$self->{deny_reset} = 1
		1935	if $self->no_reset;
		1936
1434	$self->default_region (cf::region::find_by_path $self->{path})	1937	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1938	unless $self->default_region;
1436		1939
1437	1	1940	1
1438	}	1941	}
…		…
1441	sub find {	1944	sub find {
1442	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1443		1946
1444	$path = normalise $path, $origin && $origin->path;	1947	$path = normalise $path, $origin && $origin->path;
1445		1948
		1949	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1950	cf::lock_wait "map_find:$path";
1447		1951
1448	$cf::MAP{$path} || do {	1952	$cf::MAP{$path} || do {
		1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1449	my $guard = cf::lock_acquire "map_find:$path";	1954	my $guard2 = cf::lock_acquire "map_find:$path";
		1955
1450	my $map = new_from_path cf::map $path	1956	my $map = new_from_path cf::map $path
1451	or return;	1957	or return;
1452		1958
1453	$map->{last_save} = $cf::RUNTIME;	1959	$map->{last_save} = $cf::RUNTIME;
1454		1960
1455	$map->load_header	1961	$map->load_header
1456	or return;	1962	or return;
1457		1963
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1964	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1965	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1966	#$cf::WAIT_FOR_TICK->wait;
		1967	undef $guard2;
		1968	undef $guard1;
1461	$map->reset;	1969	$map->reset;
1462	undef $guard;
1463	return find $path;	1970	return find $path;
1464	}	1971	}
1465		1972
1466	$cf::MAP{$path} = $map	1973	$cf::MAP{$path} = $map
1467	}	1974	}
…		…
1474	my ($self) = @_;	1981	my ($self) = @_;
1475		1982
1476	local $self->{deny_reset} = 1; # loading can take a long time	1983	local $self->{deny_reset} = 1; # loading can take a long time
1477		1984
1478	my $path = $self->{path};	1985	my $path = $self->{path};
		1986
		1987	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1988	my $guard = cf::lock_acquire "map_data:$path";
1480		1989
		1990	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1991	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		1992
1483	$self->in_memory (cf::MAP_LOADING);	1993	$self->in_memory (cf::MAP_LOADING);
1484		1994
1485	$self->alloc;	1995	$self->alloc;
1486		1996
1487	$self->pre_load;	1997	$self->pre_load;
1488	Coro::cede;	1998	cf::cede_to_tick;
1489		1999
1490	$self->_load_objects ($self->{load_path}, 1)	2000	my $f = new_from_file cf::object::thawer $self->{load_path};
		2001	$f->skip_block;
		2002	$self->_load_objects ($f)
1491	or return;	2003	or return;
1492		2004
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2005	$self->post_load_original
1494	if delete $self->{load_original};	2006	if delete $self->{load_original};
1495		2007
1496	if (my $uniq = $self->uniq_path) {	2008	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2009	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2010	unless (aio_stat $uniq) {
		2011	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2012	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2013	$self->_load_objects ($f);
		2014	$f->resolve_delayed_derefs;
		2015	}
1501	}	2016	}
1502	}	2017	}
1503		2018
1504	Coro::cede;	2019	$f->resolve_delayed_derefs;
		2020
		2021	cf::cede_to_tick;
1505	# now do the right thing for maps	2022	# now do the right thing for maps
1506	$self->link_multipart_objects;	2023	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2024	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2025	unless $self->difficulty;
1517	Coro::cede;	2026	cf::cede_to_tick;
		2027
		2028	unless ($self->{deny_activate}) {
		2029	$self->decay_objects;
		2030	$self->fix_auto_apply;
		2031	$self->update_buttons;
		2032	cf::cede_to_tick;
		2033	$self->set_darkness_map;
		2034	cf::cede_to_tick;
1518	$self->activate;	2035	$self->activate;
1519	Coro::cede;	2036	}
		2037
		2038	$self->{last_save} = $cf::RUNTIME;
		2039	$self->last_access ($cf::RUNTIME);
		2040
		2041	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2042	}
1521		2043
1522	$self->post_load;	2044	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2045	}
1527		2046
1528	sub customise_for {	2047	sub customise_for {
1529	my ($self, $ob) = @_;	2048	my ($self, $ob) = @_;
1530		2049
1531	return find "~" . $ob->name . "/" . $self->{path}	2050	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2051	if $self->per_player;
1533		2052
		2053	# return find "?party/" . $ob->name . "/" . $self->{path}
		2054	# if $self->per_party;
		2055
1534	$self	2056	$self
1535	}	2057	}
1536		2058
1537	# find and load all maps in the 3x3 area around a map	2059	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2060	sub load_neighbours {
1539	my ($map) = @_;	2061	my ($map) = @_;
1540		2062
1541	my @diag; # diagonal neighbours	2063	my @neigh; # diagonal neighbours
1542		2064
1543	for (0 .. 3) {	2065	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2066	my $neigh = $map->tile_path ($_)
1545	or next;	2067	or next;
1546	$neigh = find $neigh, $map	2068	$neigh = find $neigh, $map
1547	or next;	2069	or next;
1548	$neigh->load;	2070	$neigh->load;
1549		2071
		2072	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2075	}
1553		2076
1554	for (@diag) {	2077	for (grep defined $_->[0], @neigh) {
		2078	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2079	my $neigh = find $path, $origin
1556	or next;	2080	or next;
1557	$neigh->load;	2081	$neigh->load;
1558	}	2082	}
1559	}	2083	}
1560		2084
…		…
1565	}	2089	}
1566		2090
1567	sub do_load_sync {	2091	sub do_load_sync {
1568	my ($map) = @_;	2092	my ($map) = @_;
1569		2093
		2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2095	if $Coro::current == $Coro::main;
		2096
1570	cf::sync_job { $map->load };	2097	cf::sync_job { $map->load };
1571	}	2098	}
1572		2099
1573	our %MAP_PREFETCH;	2100	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2101	our $MAP_PREFETCHER = undef;
1575		2102
1576	sub find_async {	2103	sub find_async {
1577	my ($path, $origin) = @_;	2104	my ($path, $origin, $load) = @_;
1578		2105
1579	$path = normalise $path, $origin && $origin->{path};	2106	$path = normalise $path, $origin && $origin->{path};
1580		2107
1581	if (my $map = $cf::MAP{$path}) {	2108	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2109	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2110	}
1584		2111
1585	undef $MAP_PREFETCH{$path};	2112	$MAP_PREFETCH{$path} |= $load;
		2113
1586	$MAP_PREFETCHER ||= cf::async {	2114	$MAP_PREFETCHER ||= cf::async {
		2115	$Coro::current->{desc} = "map prefetcher";
		2116
1587	while (%MAP_PREFETCH) {	2117	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2118	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2119	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2120	$map->load if $v;
		2121	}
1592		2122
1593	delete $MAP_PREFETCH{$path};	2123	delete $MAP_PREFETCH{$k};
1594	}	2124	}
1595	}	2125	}
1596	undef $MAP_PREFETCHER;	2126	undef $MAP_PREFETCHER;
1597	};	2127	};
1598	$MAP_PREFETCHER->prio (6);	2128	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2131	}
1602		2132
1603	sub save {	2133	sub save {
1604	my ($self) = @_;	2134	my ($self) = @_;
1605		2135
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2137
1608	$self->{last_save} = $cf::RUNTIME;	2138	$self->{last_save} = $cf::RUNTIME;
1609		2139
1610	return unless $self->dirty;	2140	return unless $self->dirty;
1611		2141
…		…
1617	return if $self->{deny_save};	2147	return if $self->{deny_save};
1618		2148
1619	local $self->{last_access} = $self->last_access;#d#	2149	local $self->{last_access} = $self->last_access;#d#
1620		2150
1621	cf::async {	2151	cf::async {
		2152	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2153	$_->contr->save for $self->players;
1623	};	2154	};
		2155
		2156	cf::get_slot 0.02;
1624		2157
1625	if ($uniq) {	2158	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2159	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2160	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2161	} else {
…		…
1634	my ($self) = @_;	2167	my ($self) = @_;
1635		2168
1636	# save first because save cedes	2169	# save first because save cedes
1637	$self->save;	2170	$self->save;
1638		2171
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2173
1641	return if $self->players;	2174	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2175	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2176	return if $self->{deny_save};
1644		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	$self->deactivate;
		2181	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2182	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2183	}
1648		2184
1649	sub reset_at {	2185	sub reset_at {
1650	my ($self) = @_;	2186	my ($self) = @_;
1651		2187
1652	# TODO: safety, remove and allow resettable per-player maps	2188	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2189	return 1e99 if $self->{deny_reset};
1655		2190
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2193
…		…
1669	my ($self) = @_;	2204	my ($self) = @_;
1670		2205
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2207
1673	return if $self->players;	2208	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2209
1676	warn "resetting map ", $self->path;#d#	2210	warn "resetting map ", $self->path;
1677		2211
1678	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
1679		2213
1680	# need to save uniques path	2214	# need to save uniques path
1681	unless ($self->{deny_save}) {	2215	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2219	if $uniq;
1686	}	2220	}
1687		2221
1688	delete $cf::MAP{$self->path};	2222	delete $cf::MAP{$self->path};
1689		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2226	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2227
1694	$self->unlink_save;	2228	$self->unlink_save;
1695	$self->destroy;	2229	$self->destroy;
1696	}	2230	}
1697		2231
1698	my $nuke_counter = "aaaa";	2232	my $nuke_counter = "aaaa";
1699		2233
1700	sub nuke {	2234	sub nuke {
1701	my ($self) = @_;	2235	my ($self) = @_;
1702		2236
		2237	{
		2238	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2239
1703	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1704		2241
1705	$self->unlink_save;	2242	$self->unlink_save;
1706		2243
1707	bless $self, "cf::map";	2244	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2245	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2246	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2247	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2249
1713	$cf::MAP{$self->path} = $self;	2250	$cf::MAP{$self->path} = $self;
		2251	}
1714		2252
1715	$self->reset; # polite request, might not happen	2253	$self->reset; # polite request, might not happen
		2254	}
		2255
		2256	=item $maps = cf::map::tmp_maps
		2257
		2258	Returns an arrayref with all map paths of currently instantiated and saved
		2259	maps. May block.
		2260
		2261	=cut
		2262
		2263	sub tmp_maps() {
		2264	[
		2265	map {
		2266	utf8::decode $_;
		2267	/\.map$/
		2268	? normalise $_
		2269	: ()
		2270	} @{ aio_readdir $TMPDIR or [] }
		2271	]
		2272	}
		2273
		2274	=item $maps = cf::map::random_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	random maps. May block.
		2278
		2279	=cut
		2280
		2281	sub random_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise "?random/$_"
		2287	: ()
		2288	} @{ aio_readdir $RANDOMDIR or [] }
		2289	]
1716	}	2290	}
1717		2291
1718	=item cf::map::unique_maps	2292	=item cf::map::unique_maps
1719		2293
1720	Returns an arrayref of paths of all shared maps that have	2294	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2295	instantiated unique items. May block.
1722		2296
1723	=cut	2297	=cut
1724		2298
1725	sub unique_maps() {	2299	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2300	[
1727	or return;	2301	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2302	utf8::decode $_;
1733	next if /\.pst$/;	2303	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2304	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2305	? ()
1736	push @paths, cf::map::normalise $_;	2306	: normalise $_
		2307	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2308	]
1738
1739	\@paths
1740	}	2309	}
1741
1742	package cf;
1743		2310
1744	=back	2311	=back
1745		2312
1746	=head3 cf::object	2313	=head3 cf::object
1747		2314
…		…
1751		2318
1752	=over 4	2319	=over 4
1753		2320
1754	=item $ob->inv_recursive	2321	=item $ob->inv_recursive
1755		2322
1756	Returns the inventory of the object _and_ their inventories, recursively.	2323	Returns the inventory of the object I<and> their inventories, recursively,
		2324	but I<not> the object itself.
1757		2325
1758	=cut	2326	=cut
1759		2327
1760	sub inv_recursive_;	2328	sub inv_recursive_;
1761	sub inv_recursive_ {	2329	sub inv_recursive_ {
…		…
1764		2332
1765	sub inv_recursive {	2333	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2334	inv_recursive_ inv $_[0]
1767	}	2335	}
1768		2336
		2337	=item $ref = $ob->ref
		2338
		2339	Creates and returns a persistent reference to an object that can be stored as a string.
		2340
		2341	=item $ob = cf::object::deref ($refstring)
		2342
		2343	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2344	even if the object actually exists. May block.
		2345
		2346	=cut
		2347
		2348	sub deref {
		2349	my ($ref) = @_;
		2350
		2351	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2352	my ($uuid, $name) = ($1, $2);
		2353	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2354	or return;
		2355	$pl->ob->uuid eq $uuid
		2356	or return;
		2357
		2358	$pl->ob
		2359	} else {
		2360	warn "$ref: cannot resolve object reference\n";
		2361	undef
		2362	}
		2363	}
		2364
1769	package cf;	2365	package cf;
1770		2366
1771	=back	2367	=back
1772		2368
1773	=head3 cf::object::player	2369	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2375	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2376	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2377	dialogue with the given NPC character.
1782		2378
1783	=cut	2379	=cut
		2380
		2381	our $SAY_CHANNEL = {
		2382	id => "say",
		2383	title => "Map",
		2384	reply => "say ",
		2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2386	};
		2387
		2388	our $CHAT_CHANNEL = {
		2389	id => "chat",
		2390	title => "Chat",
		2391	reply => "chat ",
		2392	tooltip => "Player chat and shouts, global to the server.",
		2393	};
1784		2394
1785	# rough implementation of a future "reply" method that works	2395	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2396	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2397	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2398	sub cf::object::player::reply($$$;$) {
…		…
1790		2400
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2401	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2402
1793	if ($self->{record_replies}) {	2403	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2404	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2405
1795	} else {	2406	} else {
		2407	my $pl = $self->contr;
		2408
		2409	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2410	my $dialog = $pl->{npc_dialog};
		2411	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2412
		2413	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2414	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2415	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2416	}
1798	}	2417	}
		2418	}
		2419
		2420	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2421
		2422	=cut
		2423
		2424	sub cf::object::send_msg {
		2425	my $pl = shift->contr
		2426	or return;
		2427	$pl->send_msg (@_);
1799	}	2428	}
1800		2429
1801	=item $player_object->may ("access")	2430	=item $player_object->may ("access")
1802		2431
1803	Returns wether the given player is authorized to access resource "access"	2432	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2479	$self->deactivate_recursive;
1851		2480
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2481	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2482
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2484	if $self->map && $self->map->{path} ne "{link}";
1856		2485
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2487	}
1859		2488
1860	sub cf::object::player::leave_link {	2489	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2490	my ($self, $map, $x, $y) = @_;
		2491
		2492	return unless $self->contr->active;
1862		2493
1863	my $link_pos = delete $self->{_link_pos};	2494	my $link_pos = delete $self->{_link_pos};
1864		2495
1865	unless ($map) {	2496	unless ($map) {
1866	# restore original map position	2497	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2511	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2512	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2513	if $x <=0 && $y <= 0;
1883		2514
1884	$map->load;	2515	$map->load;
1885	$map->load_diag;	2516	$map->load_neighbours;
1886		2517
1887	return unless $self->contr->active;	2518	return unless $self->contr->active;
1888	$self->activate_recursive;	2519	$self->activate_recursive;
1889		2520
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2522	$self->enter_map ($map, $x, $y);
1892	}	2523	}
1893		2524
1894	cf::player->attach (	2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2526
1898	# abort map switching before logout	2527	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2528	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2529	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2530	the new (success) or old (failed) map position. In either case, $done will
1902	};	2531	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2532
1908	# try to abort aborted map switching on player login :)	2533	Note that $check will be called with a potentially non-loaded map, so if
1909	# should happen only on crashes	2534	it needs a loaded map it has to call C<< ->load >>.
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2535
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2536	=cut
		2537
		2538	our $GOTOGEN;
1929		2539
1930	sub cf::object::player::goto {	2540	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2541	my ($self, $path, $x, $y, $check, $done) = @_;
		2542
		2543	# do generation counting so two concurrent goto's will be executed in-order
		2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2545
1933	$self->enter_link;	2546	$self->enter_link;
1934		2547
1935	(async {	2548	(async {
		2549	$Coro::current->{desc} = "player::goto $path $x $y";
		2550
		2551	# *tag paths override both path and x|y
		2552	if ($path =~ /^\*(.*)$/) {
		2553	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2554	my $ob = $obs[rand @obs];
		2555
		2556	# see if we actually can go there
		2557	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2558	$ob = $obs[rand @obs];
		2559	} else {
		2560	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2561	}
		2562	# else put us there anyways for now #d#
		2563
		2564	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2565	} else {
		2566	($path, $x, $y) = (undef, undef, undef);
		2567	}
		2568	}
		2569
1936	my $map = eval {	2570	my $map = eval {
1937	my $map = cf::map::find $path;	2571	my $map = defined $path ? cf::map::find $path : undef;
		2572
		2573	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2574	$map = $map->customise_for ($self);
		2575	$map = $check->($map) if $check && $map;
		2576	} else {
		2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579
1939	$map	2580	$map
		2581	};
		2582
		2583	if ($@) {
		2584	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2586	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2587
		2588	if ($gen == $self->{_goto_generation}) {
		2589	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2590	$self->leave_link ($map, $x, $y);
		2591	}
		2592
		2593	$done->() if $done;
1944	})->prio (1);	2594	})->prio (1);
1945	}	2595	}
1946		2596
1947	=item $player_object->enter_exit ($exit_object)	2597	=item $player_object->enter_exit ($exit_object)
1948		2598
…		…
1968	}	2618	}
1969		2619
1970	sub prepare_random_map {	2620	sub prepare_random_map {
1971	my ($exit) = @_;	2621	my ($exit) = @_;
1972		2622
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2623	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2624	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2625	# that depends on the exit object
1978		2626
1979	my $rmp = parse_random_map_params $exit->msg;	2627	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2629	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2630	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2631	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2632	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2633	$rmp->{origin_y} = $exit->y;
		2634
		2635	$exit->map->touch;
1986	}	2636	}
1987		2637
1988	$rmp->{random_seed} ||= $exit->random_seed;	2638	$rmp->{random_seed} ||= $exit->random_seed;
1989		2639
1990	my $data = cf::to_json $rmp;	2640	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2641	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2642	my $meta = "$RANDOMDIR/$md5.meta";
1993		2643
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2644	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2645	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2646	undef $fh;
1997	aio_rename "$meta~", $meta;	2647	aio_rename "$meta~", $meta;
1998		2648
		2649	my $slaying = "?random/$md5";
		2650
		2651	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2653	$exit->msg (undef);
		2654	}
2001	}	2655	}
2002	}	2656	}
2003		2657
2004	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
2006		2660
2007	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
2008		2662
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2663	$self->enter_link;
2021		2664
2022	(async {	2665	(async {
2023	$self->deactivate_recursive; # just to be sure	2666	$Coro::current->{desc} = "enter_exit";
		2667
2024	unless (eval {	2668	unless (eval {
		2669	$self->deactivate_recursive; # just to be sure
		2670
		2671	# random map handling
		2672	{
		2673	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2674
		2675	prepare_random_map $exit
		2676	if $exit->slaying eq "/!";
		2677	}
		2678
		2679	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2680	my $x = $exit->stats->hp;
		2681	my $y = $exit->stats->sp;
		2682
2025	$self->goto ($slaying, $hp, $sp);	2683	$self->goto ($map, $x, $y);
2026		2684
		2685	# if exit is damned, update players death & WoR home-position
		2686	$self->contr->savebed ($map, $x, $y)
		2687	if $exit->flag (cf::FLAG_DAMNED);
		2688
2027	1;	2689	1
2028	}) {	2690	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2691	$self->message ("Something went wrong deep within the crossfire server. "
2030	. "I'll try to bring you back to the map you were before. "	2692	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2693	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2694	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2053		2715
2054	utf8::encode $text;	2716	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2718	}
2057		2719
		2720	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2721
		2722	Send a drawinfo or msg packet to the client, formatting the msg for the
		2723	client if neccessary. C<$type> should be a string identifying the type of
		2724	the message, with C<log> being the default. If C<$color> is negative, suppress
		2725	the message unless the client supports the msg packet.
		2726
		2727	=cut
		2728
		2729	# non-persistent channels (usually the info channel)
		2730	our %CHANNEL = (
		2731	"c/identify" => {
		2732	id => "infobox",
		2733	title => "Identify",
		2734	reply => undef,
		2735	tooltip => "Items recently identified",
		2736	},
		2737	"c/examine" => {
		2738	id => "infobox",
		2739	title => "Examine",
		2740	reply => undef,
		2741	tooltip => "Signs and other items you examined",
		2742	},
		2743	"c/book" => {
		2744	id => "infobox",
		2745	title => "Book",
		2746	reply => undef,
		2747	tooltip => "The contents of a note or book",
		2748	},
		2749	"c/lookat" => {
		2750	id => "infobox",
		2751	title => "Look",
		2752	reply => undef,
		2753	tooltip => "What you saw there",
		2754	},
		2755	"c/who" => {
		2756	id => "infobox",
		2757	title => "Players",
		2758	reply => undef,
		2759	tooltip => "Shows players who are currently online",
		2760	},
		2761	"c/body" => {
		2762	id => "infobox",
		2763	title => "Body Parts",
		2764	reply => undef,
		2765	tooltip => "Shows which body parts you posess and are available",
		2766	},
		2767	"c/uptime" => {
		2768	id => "infobox",
		2769	title => "Uptime",
		2770	reply => undef,
		2771	tooltip => "How long the server has been running since last restart",
		2772	},
		2773	"c/mapinfo" => {
		2774	id => "infobox",
		2775	title => "Map Info",
		2776	reply => undef,
		2777	tooltip => "Information related to the maps",
		2778	},
		2779	"c/party" => {
		2780	id => "party",
		2781	title => "Party",
		2782	reply => "gsay ",
		2783	tooltip => "Messages and chat related to your party",
		2784	},
		2785	);
		2786
		2787	sub cf::client::send_msg {
		2788	my ($self, $channel, $msg, $color, @extra) = @_;
		2789
		2790	$msg = $self->pl->expand_cfpod ($msg);
		2791
		2792	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2793
		2794	# check predefined channels, for the benefit of C
		2795	if ($CHANNEL{$channel}) {
		2796	$channel = $CHANNEL{$channel};
		2797
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800
		2801	$channel = $channel->{id};
		2802
		2803	} elsif (ref $channel) {
		2804	# send meta info to client, if not yet sent
		2805	unless (exists $self->{channel}{$channel->{id}}) {
		2806	$self->{channel}{$channel->{id}} = $channel;
		2807	$self->ext_msg (channel_info => $channel)
		2808	if $self->can_msg;
		2809	}
		2810
		2811	$channel = $channel->{id};
		2812	}
		2813
		2814	return unless @extra || length $msg;
		2815
		2816	if ($self->can_msg) {
		2817	# default colour, mask it out
		2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2819	if $color & cf::NDI_DEF;
		2820
		2821	my $pkt = "msg "
		2822	. $self->{json_coder}->encode (
		2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2824	);
		2825
		2826	# try lzf for large packets
		2827	$pkt = "lzf " . Compress::LZF::compress $pkt
		2828	if 1024 <= length $pkt and $self->{can_lzf};
		2829
		2830	# split very large packets
		2831	if (8192 < length $pkt and $self->{can_lzf}) {
		2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2833	$pkt = "frag";
		2834	}
		2835
		2836	$self->send_packet ($pkt);
		2837	} else {
		2838	if ($color >= 0) {
		2839	# replace some tags by gcfclient-compatible ones
		2840	for ($msg) {
		2841	1 while
		2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2847	}
		2848
		2849	$color &= cf::NDI_COLOR_MASK;
		2850
		2851	utf8::encode $msg;
		2852
		2853	if (0 && $msg =~ /\[/) {
		2854	# COMMAND/INFO
		2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2856	} else {
		2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2858	$self->send_packet ("drawinfo $color $msg")
		2859	}
		2860	}
		2861	}
		2862	}
		2863
2058	=item $client->ext_event ($type, %msg)	2864	=item $client->ext_msg ($type, @msg)
2059		2865
2060	Sends an exti event to the client.	2866	Sends an ext event to the client.
2061		2867
2062	=cut	2868	=cut
2063		2869
2064	sub cf::client::ext_event($$%) {	2870	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2871	my ($self, $type, @msg) = @_;
2066		2872
		2873	if ($self->extcmd == 2) {
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2875	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2876	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2878	}
		2879	}
		2880
		2881	=item $client->ext_reply ($msgid, @msg)
		2882
		2883	Sends an ext reply to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_reply($$@) {
		2888	my ($self, $id, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2892	} elsif ($self->extcmd == 1) {
		2893	#TODO: version 1, remove
		2894	unshift @msg, msgtype => "reply", msgid => $id;
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2896	}
2069	}	2897	}
2070		2898
2071	=item $success = $client->query ($flags, "text", \&cb)	2899	=item $success = $client->query ($flags, "text", \&cb)
2072		2900
2073	Queues a query to the client, calling the given callback with	2901	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2902	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2903	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2904
2077	Queries can fail, so check the return code. Or don't, as queries will become	2905	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2906	become reliable at some point in the future.
2079		2907
2080	=cut	2908	=cut
2081		2909
2082	sub cf::client::query {	2910	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2911	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2919	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2920	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2921
2094	$self->send_packet ($self->{query_queue}[0][0])	2922	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2923	if @{ $self->{query_queue} } == 1;
		2924
		2925	1
2096	}	2926	}
2097		2927
2098	cf::client->attach (	2928	cf::client->attach (
		2929	on_connect => sub {
		2930	my ($ns) = @_;
		2931
		2932	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2933	},
2099	on_reply => sub {	2934	on_reply => sub {
2100	my ($ns, $msg) = @_;	2935	my ($ns, $msg) = @_;
2101		2936
2102	# this weird shuffling is so that direct followup queries	2937	# this weird shuffling is so that direct followup queries
2103	# get handled first	2938	# get handled first
…		…
2115	} else {	2950	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2951	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2952	}
2118	}	2953	}
2119	},	2954	},
		2955	on_exticmd => sub {
		2956	my ($ns, $buf) = @_;
		2957
		2958	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2959
		2960	if (ref $msg) {
		2961	my ($type, $reply, @payload) =
		2962	"ARRAY" eq ref $msg
		2963	? @$msg
		2964	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2965
		2966	my @reply;
		2967
		2968	if (my $cb = $EXTICMD{$type}) {
		2969	@reply = $cb->($ns, @payload);
		2970	}
		2971
		2972	$ns->ext_reply ($reply, @reply)
		2973	if $reply;
		2974
		2975	} else {
		2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2977	}
		2978
		2979	cf::override;
		2980	},
2120	);	2981	);
2121		2982
2122	=item $client->async (\&cb)	2983	=item $client->async (\&cb)
2123		2984
2124	Create a new coroutine, running the specified callback. The coroutine will	2985	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3026	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3027	our $safe_hole = new Safe::Hole;
2167		3028
2168	$SIG{FPE} = 'IGNORE';	3029	$SIG{FPE} = 'IGNORE';
2169		3030
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3031	$safe->permit_only (Opcode::opset qw(
		3032	:base_core :base_mem :base_orig :base_math
		3033	grepstart grepwhile mapstart mapwhile
		3034	sort time
		3035	));
2171		3036
2172	# here we export the classes and methods available to script code	3037	# here we export the classes and methods available to script code
2173		3038
2174	=pod	3039	=pod
2175		3040
2176	The following functions and methods are available within a safe environment:	3041	The following functions and methods are available within a safe environment:
2177		3042
2178	cf::object contr pay_amount pay_player map	3043	cf::object
		3044	contr pay_amount pay_player map x y force_find force_add destroy
		3045	insert remove name archname title slaying race decrease split
		3046
2179	cf::object::player player	3047	cf::object::player
2180	cf::player peaceful	3048	player
2181	cf::map trigger	3049
		3050	cf::player
		3051	peaceful
		3052
		3053	cf::map
		3054	trigger
2182		3055
2183	=cut	3056	=cut
2184		3057
2185	for (	3058	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3060	insert remove inv nrof name archname title slaying race
		3061	decrease split destroy change_exp)],
2187	["cf::object::player" => qw(player)],	3062	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3063	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3064	["cf::map" => qw(trigger)],
2190	) {	3065	) {
2191	no strict 'refs';	3066	no strict 'refs';
…		…
2262	=back	3137	=back
2263		3138
2264	=cut	3139	=cut
2265		3140
2266	#############################################################################	3141	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	3142	# the server's init and main functions
2436		3143
2437	sub load_facedata($) {	3144	sub load_facedata($) {
2438	my ($path) = @_;	3145	my ($path) = @_;
		3146
		3147	# HACK to clear player env face cache, we need some signal framework
		3148	# for this (global event?)
		3149	%ext::player_env::MUSIC_FACE_CACHE = ();
		3150
		3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3152
2440	warn "loading facedata from $path\n";	3153	warn "loading facedata from $path\n";
2441		3154
2442	my $facedata;	3155	my $facedata;
2443	0 < aio_load $path, $facedata	3156	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3159	$facedata = Coro::Storable::thaw $facedata;
2447		3160
2448	$facedata->{version} == 2	3161	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3162	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3163
		3164	# patch in the exptable
		3165	$facedata->{resource}{"res/exp_table"} = {
		3166	type => FT_RSRC,
		3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3168	};
		3169	cf::cede_to_tick;
		3170
2451	{	3171	{
2452	my $faces = $facedata->{faceinfo};	3172	my $faces = $facedata->{faceinfo};
2453		3173
2454	while (my ($face, $info) = each %$faces) {	3174	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3176
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3177	cf::face::set_visibility $idx, $info->{visibility};
		3178	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459	Coro::cede;	3181
		3182	cf::cede_to_tick;
2460	}	3183	}
2461		3184
2462	while (my ($face, $info) = each %$faces) {	3185	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3186	next unless $info->{smooth};
		3187
2464	my $idx = cf::face::find $face	3188	my $idx = cf::face::find $face
2465	or next;	3189	or next;
		3190
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3191	if (my $smooth = cf::face::find $info->{smooth}) {
		3192	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3194	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3195	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3196	}
2471	Coro::cede;	3197
		3198	cf::cede_to_tick;
2472	}	3199	}
2473	}	3200	}
2474		3201
2475	{	3202	{
2476	my $anims = $facedata->{animinfo};	3203	my $anims = $facedata->{animinfo};
2477		3204
2478	while (my ($anim, $info) = each %$anims) {	3205	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3206	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3207	cf::cede_to_tick;
2481	}	3208	}
2482		3209
2483	cf::anim::invalidate_all; # d'oh	3210	cf::anim::invalidate_all; # d'oh
2484	}	3211	}
2485		3212
		3213	{
		3214	# TODO: for gcfclient pleasure, we should give resources
		3215	# that gcfclient doesn't grok a >10000 face index.
		3216	my $res = $facedata->{resource};
		3217
		3218	while (my ($name, $info) = each %$res) {
		3219	if (defined $info->{type}) {
		3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3221	my $data;
		3222
		3223	if ($info->{type} & 1) {
		3224	# prepend meta info
		3225
		3226	my $meta = $enc->encode ({
		3227	name => $name,
		3228	%{ $info->{meta} || {} },
		3229	});
		3230
		3231	$data = pack "(w/a*)*", $meta, $info->{data};
		3232	} else {
		3233	$data = $info->{data};
		3234	}
		3235
		3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3237	cf::face::set_type $idx, $info->{type};
		3238	} else {
		3239	$RESOURCE{$name} = $info;
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
		3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3247
2486	1	3248	1
2487	}	3249	}
2488		3250
		3251	cf::global->attach (on_resource_update => sub {
		3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3254
		3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3256	my $sound = $soundconf->{compat}[$_]
		3257	or next;
		3258
		3259	my $face = cf::face::find "sound/$sound->[1]";
		3260	cf::sound::set $sound->[0] => $face;
		3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3262	}
		3263
		3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3265	my $face = cf::face::find "sound/$v";
		3266	cf::sound::set $k => $face;
		3267	}
		3268	}
		3269	});
		3270
		3271	register_exticmd fx_want => sub {
		3272	my ($ns, $want) = @_;
		3273
		3274	while (my ($k, $v) = each %$want) {
		3275	$ns->fx_want ($k, $v);
		3276	}
		3277	};
		3278
		3279	sub load_resource_file($) {
		3280	my $guard = lock_acquire "load_resource_file";
		3281
		3282	my $status = load_resource_file_ $_[0];
		3283	get_slot 0.1, 100;
		3284	cf::arch::commit_load;
		3285
		3286	$status
		3287	}
		3288
		3289	sub reload_regions {
		3290	# HACK to clear player env face cache, we need some signal framework
		3291	# for this (global event?)
		3292	%ext::player_env::MUSIC_FACE_CACHE = ();
		3293
		3294	load_resource_file "$MAPDIR/regions"
		3295	or die "unable to load regions file\n";
		3296
		3297	for (cf::region::list) {
		3298	$_->{match} = qr/$_->{match}/
		3299	if exists $_->{match};
		3300	}
		3301	}
		3302
2489	sub reload_facedata {	3303	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3304	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3305	or die "unable to load facedata\n";
2492	}	3306	}
2493		3307
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3308	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3309	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3310	or die "unable to load archetypes\n";
2502	}	3311	}
2503		3312
2504	sub reload_treasures {	3313	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3314	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3315	or die "unable to load treasurelists\n";
2507	}	3316	}
2508		3317
2509	sub reload_resources {	3318	sub reload_resources {
2510	warn "reloading resource files...\n";	3319	warn "reloading resource files...\n";
2511		3320
2512	reload_regions;
2513	reload_facedata;	3321	reload_facedata;
2514	reload_archetypes;	3322	reload_archetypes;
		3323	reload_regions;
2515	reload_treasures;	3324	reload_treasures;
2516		3325
2517	warn "finished reloading resource files\n";	3326	warn "finished reloading resource files\n";
2518	}	3327	}
2519		3328
2520	sub init {	3329	sub init {
		3330	my $guard = freeze_mainloop;
		3331
		3332	evthread_start IO::AIO::poll_fileno;
		3333
2521	reload_resources;	3334	reload_resources;
2522	}	3335	}
2523		3336
2524	sub cfg_load {	3337	sub reload_config {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3338	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3339	or return;
2527		3340
2528	local $/;	3341	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3342	*CFG = YAML::Load <$fh>;
2530		3343
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2532		3345
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2545	sub main {	3358	sub main {
2546	# we must not ever block the main coroutine	3359	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3360	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3362	(async {
2550	Event::one_event;	3363	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3364	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3365	})->prio (Coro::PRIO_MAX);
2552	};	3366	};
2553		3367
2554	cfg_load;	3368	{
		3369	my $guard = freeze_mainloop;
		3370	reload_config;
2555	db_init;	3371	db_init;
2556	load_extensions;	3372	load_extensions;
2557		3373
2558	$TICK_WATCHER->start;	3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3375	}
		3376
2559	Event::loop;	3377	EV::loop;
2560	}	3378	}
2561		3379
2562	#############################################################################	3380	#############################################################################
2563	# initialisation and cleanup	3381	# initialisation and cleanup
2564		3382
2565	# install some emergency cleanup handlers	3383	# install some emergency cleanup handlers
2566	BEGIN {	3384	BEGIN {
		3385	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3386	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3388	cf::cleanup "SIG$signal";
2575	},
2576	);	3389	};
		3390	}
		3391	}
		3392
		3393	sub write_runtime_sync {
		3394	my $runtime = "$LOCALDIR/runtime";
		3395
		3396	# first touch the runtime file to show we are still running:
		3397	# the fsync below can take a very very long time.
		3398
		3399	IO::AIO::aio_utime $runtime, undef, undef;
		3400
		3401	my $guard = cf::lock_acquire "write_runtime";
		3402
		3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3404	or return;
		3405
		3406	my $value = $cf::RUNTIME + 90 + 10;
		3407	# 10 is the runtime save interval, for a monotonic clock
		3408	# 60 allows for the watchdog to kill the server.
		3409
		3410	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3411	and return;
		3412
		3413	# always fsync - this file is important
		3414	aio_fsync $fh
		3415	and return;
		3416
		3417	# touch it again to show we are up-to-date
		3418	aio_utime $fh, undef, undef;
		3419
		3420	close $fh
		3421	or return;
		3422
		3423	aio_rename "$runtime~", $runtime
		3424	and return;
		3425
		3426	warn "runtime file written.\n";
		3427
2577	}	3428	1
		3429	}
		3430
		3431	our $uuid_lock;
		3432	our $uuid_skip;
		3433
		3434	sub write_uuid_sync($) {
		3435	$uuid_skip ||= $_[0];
		3436
		3437	return if $uuid_lock;
		3438	local $uuid_lock = 1;
		3439
		3440	my $uuid = "$LOCALDIR/uuid";
		3441
		3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3443	or return;
		3444
		3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3446	$uuid_skip = 0;
		3447
		3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3449	and return;
		3450
		3451	# always fsync - this file is important
		3452	aio_fsync $fh
		3453	and return;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$uuid~", $uuid
		3459	and return;
		3460
		3461	warn "uuid file written ($value).\n";
		3462
		3463	1
		3464
		3465	}
		3466
		3467	sub write_uuid($$) {
		3468	my ($skip, $sync) = @_;
		3469
		3470	$sync ? write_uuid_sync $skip
		3471	: async { write_uuid_sync $skip };
2578	}	3472	}
2579		3473
2580	sub emergency_save() {	3474	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3475	my $freeze_guard = cf::freeze_mainloop;
2582		3476
…		…
2588	# and maps saved/destroyed asynchronously.	3482	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3483	warn "begin emergency player save\n";
2590	for my $login (keys %cf::PLAYER) {	3484	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3485	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3486	$pl->valid or next;
		3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3488	$pl->save;
2594	}	3489	}
2595	warn "end emergency player save\n";	3490	warn "end emergency player save\n";
2596		3491
2597	warn "begin emergency map save\n";	3492	warn "begin emergency map save\n";
…		…
2603	warn "end emergency map save\n";	3498	warn "end emergency map save\n";
2604		3499
2605	warn "begin emergency database checkpoint\n";	3500	warn "begin emergency database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3501	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3502	warn "end emergency database checkpoint\n";
		3503
		3504	warn "begin write uuid\n";
		3505	write_uuid_sync 1;
		3506	warn "end write uuid\n";
2608	};	3507	};
2609		3508
2610	warn "leave emergency perl save\n";	3509	warn "leave emergency perl save\n";
2611	}	3510	}
2612		3511
…		…
2614	my ($make_core) = @_;	3513	my ($make_core) = @_;
2615		3514
2616	warn Carp::longmess "post_cleanup backtrace"	3515	warn Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3516	if $make_core;
2618	}	3517	}
		3518
		3519	# a safer delete_package, copied from Symbol
		3520	sub clear_package($) {
		3521	my $pkg = shift;
		3522
		3523	# expand to full symbol table name if needed
		3524	unless ($pkg =~ /^main::.*::$/) {
		3525	$pkg = "main$pkg" if $pkg =~ /^::/;
		3526	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3527	$pkg .= '::' unless $pkg =~ /::$/;
		3528	}
		3529
		3530	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3531	my $stem_symtab = *{$stem}{HASH};
		3532
		3533	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3534	or return;
		3535
		3536	# clear all symbols
		3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3538	for my $name (keys %$leaf_symtab) {
		3539	_gv_clear *{"$pkg$name"};
		3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3541	}
		3542	warn "cleared package #$pkg\n";#d#
		3543	}
		3544
		3545	our $RELOAD; # how many times to reload
2619		3546
2620	sub do_reload_perl() {	3547	sub do_reload_perl() {
2621	# can/must only be called in main	3548	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3549	if ($Coro::current != $Coro::main) {
2623	warn "can only reload from main coroutine";	3550	warn "can only reload from main coroutine";
2624	return;	3551	return;
2625	}	3552	}
2626		3553
		3554	return if $RELOAD++;
		3555
		3556	while ($RELOAD) {
2627	warn "reloading...";	3557	warn "reloading...";
2628		3558
2629	warn "entering sync_job";	3559	warn "entering sync_job";
2630		3560
2631	cf::sync_job {	3561	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark	3562	cf::write_runtime_sync; # external watchdog should not bark
2633	cf::emergency_save;	3563	cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark	3564	cf::write_runtime_sync; # external watchdog should not bark
2635		3565
2636	warn "syncing database to disk";	3566	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3567	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3568
2639	# if anything goes wrong in here, we should simply crash as we already saved	3569	# if anything goes wrong in here, we should simply crash as we already saved
2640		3570
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";	3571	warn "flushing outstanding aio requests";
2647	for (;;) {
2648	BDB::flush;
2649	IO::AIO::flush;
2650	Coro::cede;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3572	while (IO::AIO::nreqs || BDB::nreqs) {
2652	warn "iterate...";	3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2653	}
2654
2655	++$RELOAD;
2656
2657	warn "cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();
2660
2661	warn "removing commands";
2662	%COMMAND = ();
2663
2664	warn "removing ext commands";
2665	%EXTCMD = ();
2666
2667	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";
2670
2671	if (my $cb = $pkg->can ("unload")) {
2672	eval {
2673	$cb->($pkg);
2674	1
2675	} or warn "$pkg unloaded, but with errors: $@";
2676	}	3574	}
2677		3575
2678	warn "... nuking $pkg";	3576	warn "cancelling all extension coros";
2679	Symbol::delete_package $pkg;	3577	$_->cancel for values %EXT_CORO;
2680	}	3578	%EXT_CORO = ();
2681		3579
2682	warn "unloading all perl modules loaded from $LIBDIR";	3580	warn "removing commands";
2683	while (my ($k, $v) = each %INC) {	3581	%COMMAND = ();
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3582
		3583	warn "removing ext/exti commands";
		3584	%EXTCMD = ();
		3585	%EXTICMD = ();
		3586
		3587	warn "unloading/nuking all extensions";
		3588	for my $pkg (@EXTS) {
2686	warn "... unloading $k";	3589	warn "... unloading $pkg";
2687	delete $INC{$k};
2688		3590
2689	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;
2691
2692	if (my $cb = $k->can ("unload_module")) {	3591	if (my $cb = $pkg->can ("unload")) {
		3592	eval {
2693	$cb->();	3593	$cb->($pkg);
		3594	1
		3595	} or warn "$pkg unloaded, but with errors: $@";
		3596	}
		3597
		3598	warn "... clearing $pkg";
		3599	clear_package $pkg;
2694	}	3600	}
2695		3601
2696	Symbol::delete_package $k;	3602	warn "unloading all perl modules loaded from $LIBDIR";
		3603	while (my ($k, $v) = each %INC) {
		3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3605
		3606	warn "... unloading $k";
		3607	delete $INC{$k};
		3608
		3609	$k =~ s/\.pm$//;
		3610	$k =~ s/\//::/g;
		3611
		3612	if (my $cb = $k->can ("unload_module")) {
		3613	$cb->();
		3614	}
		3615
		3616	clear_package $k;
2697	}	3617	}
2698		3618
2699	warn "getting rid of safe::, as good as possible";	3619	warn "getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3620	clear_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3622
2703	warn "unloading cf.pm \"a bit\"";	3623	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3624	delete $INC{"cf.pm"};
		3625	delete $INC{"cf/pod.pm"};
2705		3626
2706	# don't, removes xs symbols, too,	3627	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3628	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3629	#clear_package __PACKAGE__;
2709		3630
2710	warn "unload completed, starting to reload now";	3631	warn "unload completed, starting to reload now";
2711		3632
2712	warn "reloading cf.pm";	3633	warn "reloading cf.pm";
2713	require cf;	3634	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715		3636
2716	warn "loading config and database again";	3637	warn "loading config and database again";
2717	cf::cfg_load;	3638	cf::reload_config;
2718		3639
2719	warn "loading extensions";	3640	warn "loading extensions";
2720	cf::load_extensions;	3641	cf::load_extensions;
2721		3642
2722	warn "reattaching attachments to objects/players";	3643	warn "reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3644	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3645	warn "reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3646	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3647	warn "reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3648	reattach $_ for values %PLAYER;
2728		3649
2729	warn "leaving sync_job";	3650	warn "leaving sync_job";
2730		3651
2731	1	3652	1
2732	} or do {	3653	} or do {
2733	warn $@;	3654	warn $@;
2734	warn "error while reloading, exiting.";	3655	cf::cleanup "error while reloading, exiting.";
2735	exit 1;
2736	};	3656	};
2737		3657
2738	warn "reloaded";	3658	warn "reloaded";
		3659	--$RELOAD;
		3660	}
2739	};	3661	};
2740		3662
2741	our $RELOAD_WATCHER; # used only during reload	3663	our $RELOAD_WATCHER; # used only during reload
2742		3664
2743	sub reload_perl() {	3665	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
2746		3668
2747	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2748	reentrant => 0,
2749	after => 0,
2750	data => WF_AUTOCANCEL,
2751	cb => sub {
2752	do_reload_perl;	3670	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
2754	},
2755	);	3672	};
2756	}	3673	}
2757		3674
2758	register_command "reload" => sub {	3675	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2760		3677
2761	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3682	reload_perl;
		3683	};
2764	}	3684	}
2765	};	3685	};
2766		3686
2767	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2768		3688
…		…
2770		3690
2771	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
2773		3693
2774	sub wait_for_tick {	3694	sub wait_for_tick {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	3695	return if tick_inhibit || $Coro::current == $Coro::main;
2777		3696
2778	my $signal = new Coro::Signal;	3697	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	3698	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	3699	$signal->wait;
2781	}	3700	}
2782		3701
2783	sub wait_for_tick_begin {	3702	sub wait_for_tick_begin {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	3703	return if tick_inhibit || $Coro::current == $Coro::main;
2786		3704
2787	my $signal = new Coro::Signal;	3705	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3706	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3707	$signal->wait;
2790	}	3708	}
2791		3709
2792	$TICK_WATCHER = Event->timer (	3710	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3711	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3712	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3713	unless ++$bug_warning > 10;
2802	return;	3714	return;
2803	}	3715	}
2804		3716
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	3717	cf::server_tick; # one server iteration
2808		3718
2809	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;
2811
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	3721	Coro::async_pool {
		3722	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3723	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	3724	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	3725	};
		3726	}
2819		3727
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	3729	$sig->send;
2831	}	3730	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	3731	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	3732	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	3733	}
2838	);	3734
		3735	$LOAD = ($NOW - $TICK_START) / $TICK;
		3736	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3737
		3738	if (0) {
		3739	if ($NEXT_TICK) {
		3740	my $jitter = $TICK_START - $NEXT_TICK;
		3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3742	warn "jitter $JITTER\n";#d#
		3743	}
		3744	}
		3745	}
2839		3746
2840	{	3747	{
2841	BDB::max_poll_time $TICK * 0.1;	3748	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	3749
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	3750	BDB::min_parallel 8;
2851		3751	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	3752	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		3753
2867	unless ($DB_ENV) {	3754	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	3755	$DB_ENV = BDB::db_env_create;
		3756	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3757	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3758	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3759	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3760	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		3761
2870	cf::sync_job {	3762	cf::sync_job {
2871	eval {	3763	eval {
2872	BDB::db_env_open	3764	BDB::db_env_open
2873	$DB_ENV,	3765	$DB_ENV,
2874	$BDB_ENV_DIR,	3766	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3767	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3768	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3769	0666;
2878		3770
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3771	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	3772	};
2884		3773
2885	cf::cleanup "db_env_open(db): $@" if $@;	3774	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	3775	};
2887	}	3776	}
		3777
		3778	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3779	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3780	};
		3781	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3782	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3783	};
		3784	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3785	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3786	};
2888	}	3787	}
2889		3788
2890	{	3789	{
		3790	# configure IO::AIO
		3791
2891	IO::AIO::min_parallel 8;	3792	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	3793	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	3794	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	3795	}
2897	data => WF_AUTOCANCEL,	3796
2898	fd => IO::AIO::poll_fileno,	3797	my $_log_backtrace;
2899	poll => 'r',	3798
2900	prio => 6,	3799	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	3800	my ($msg, @addr) = @_;
2902	);	3801
		3802	$msg =~ s/\n//;
		3803
		3804	# limit the # of concurrent backtraces
		3805	if ($_log_backtrace < 2) {
		3806	++$_log_backtrace;
		3807	async {
		3808	$Coro::current->{desc} = "abt $msg";
		3809
		3810	my @bt = fork_call {
		3811	@addr = map { sprintf "%x", $_ } @addr;
		3812	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3813	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3814	or die "addr2line: $!";
		3815
		3816	my @funcs;
		3817	my @res = <$fh>;
		3818	chomp for @res;
		3819	while (@res) {
		3820	my ($func, $line) = splice @res, 0, 2, ();
		3821	push @funcs, "[$func] $line";
		3822	}
		3823
		3824	@funcs
		3825	};
		3826
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] $_\n" for @bt;
		3829	--$_log_backtrace;
		3830	};
		3831	} else {
		3832	LOG llevInfo, "[ABT] $msg\n";
		3833	LOG llevInfo, "[ABT] [suppressed]\n";
		3834	}
2903	}	3835	}
2904		3836
2905	# load additional modules	3837	# load additional modules
2906	use cf::pod;	3838	use cf::pod;
2907		3839

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