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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.443 by root, Sun Aug 31 10:05:26 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
		56	use YAML ();
26	use IO::AIO 2.32 ();	57	use IO::AIO ();
27	use YAML::Syck ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
30		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
31	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
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
34		71
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		73
42	our %COMMAND = ();	74	our %COMMAND = ();
43	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
44		76
45	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
49		82
50	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
51	our @EVENT;	84	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		85
54	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	87	our $DATADIR = datadir;
56	our $AIO_POLL_WATCHER;	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;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	101	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	107	our $DB_ENV;
64		108
65	our %CFG;	109	our %CFG;
66		110
67	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
69		114
70	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		118
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $TICK_START; # for load detecting purposes
		126
82	binmode STDOUT;	127	binmode STDOUT;
83	binmode STDERR;	128	binmode STDERR;
84		129
85	# read virtual server time, if available	130	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
90	}	135	}
91		136
92	mkdir cf::localdir;	137	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		139
99	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
100		141
101	sub cf::map::normalise;	142	sub cf::map::normalise;
102		143
…		…
113	=item $cf::RUNTIME	154	=item $cf::RUNTIME
114		155
115	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
116	every server tick.	157	every server tick.
117		158
118	=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
119		162
120	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		167
123	=item $cf::NOW	168	=item $cf::NOW
124		169
125	The time of the last (current) server tick.	170	The time of the last (current) server tick.
126		171
127	=item $cf::TICK	172	=item $cf::TICK
128		173
129	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	186	=item %cf::CFG
132		187
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	189	from wherever your confdir points to.
135		190
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		192
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
142		202
143	=back	203	=back
144		204
145	=cut	205	=cut
146		206
147	BEGIN {	207	BEGIN {
148	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	209	my $msg = join "", @_;
150	utf8::encode $msg;
151		210
152	$msg .= "\n"	211	$msg .= "\n"
153	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
154		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
155	LOG llevError, $msg;	216	LOG llevError, $msg;
156	};	217	};
157	}	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#?
158		234
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		242
166	# 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
167	# within the Safe compartment.	244	# within the Safe compartment.
168	for my $pkg (qw(	245	for my $pkg (qw(
169	cf::global cf::attachable	246	cf::global cf::attachable
170	cf::object cf::object::player	247	cf::object cf::object::player
171	cf::client cf::player	248	cf::client cf::player
172	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
173	cf::map cf::party cf::region	251	cf::party cf::region
174	)) {	252	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	254	}
178		255
179	$Event::DIED = sub {	256	$EV::DIED = sub {
180	warn "error in event callback: @_";	257	warn "error in event callback: @_";
181	};	258	};
		259
		260	#############################################################################
182		261
183	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
184		263
185	=over 4	264	=over 4
186		265
…		…
205	$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;
206	$d	285	$d
207	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
208	}	287	}
209		288
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
213		290
214	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
215		292
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
224		294
225	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
226		296
227	=cut	297	=cut
228		298
229	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
231	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
232	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
233		303
234	=item cf::lock_wait $string	304	=item cf::lock_wait $string
235		305
236	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
237		307
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
243	returned.	313	returned.
244		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
245	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
246	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
247		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
248	=cut	325	=cut
249		326
250	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
251		329
252	sub lock_wait($) {	330	sub lock_wait($) {
253	my ($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#
254		337
255	# wait for lock, if any	338	# wait for lock, if any
256	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	341	Coro::schedule;
…		…
264		347
265	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
266	lock_wait $key;	349	lock_wait $key;
267		350
268	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
269		353
270	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
273	}	358	}
274	}	359	}
275		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
276	sub freeze_mainloop {	367	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
278		369
279	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
280	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
281	};	431	}
282	$TICK_WATCHER->stop;	432	};
283	$guard	433
		434	sub get_slot($;$$) {
		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	$sig->wait;
284	}	446	}
285		447
286	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
287		449
288	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		455
294	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
295		457
296	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
297		459
298	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
301		464
302	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
305	fast or be very important.	468	fast or be very important.
…		…
308		471
309	sub sync_job(&) {	472	sub sync_job(&) {
310	my ($job) = @_;	473	my ($job) = @_;
311		474
312	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
313	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
315		480
316	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	482
318	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
319		484
320	my $busy = 1;	485	my $busy = 1;
321	my @res;	486	my @res;
322		487
323	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	490	@res = eval { $job->() };
325	warn $@ if $@;	491	warn $@ if $@;
326	undef $busy;	492	undef $busy;
327	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
328		494
329	while ($busy) {	495	while ($busy) {
330	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
331	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
332		506
333	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
334	} else {	508	} else {
335	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
336		510
…		…
356	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
357		531
358	$coro	532	$coro
359	}	533	}
360		534
361	sub write_runtime {	535	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		536
364	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.
365		541
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
367	or return;
368		543
369	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		546
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
374	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
375		550
376	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	552	reset_signals;
378	and return;	553	&$cb
		554	}, @args;
379		555
380	close $fh	556	wantarray ? @res : $res[-1]
381	or return;	557	}
382		558
383	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
384	and return;
385		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
386	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	722	}
388		723
389	=back	724	=back
390		725
391	=cut	726	=cut
…		…
398	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")
399	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
400		735
401	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>
402	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
403	crossfire+).	738	Deliantra).
404		739
405	=over 4	740	=over 4
406		741
407	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
408		743
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
572		907
573	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		912
578	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	914	my $pkg = shift @arg;
580		915
581	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
611	}	946	}
612		947
613	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
614	} else {	949	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	951	}
617		952
618	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
619	}	954	}
620		955
…		…
622	if (ref $_[0]) {	957	if (ref $_[0]) {
623	_object_attach @_;	958	_object_attach @_;
624	} else {	959	} else {
625	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
626	}	961	}
		962	_recalc_want;
627	};	963	};
628		964
629	# all those should be optimised	965	# all those should be optimised
630	sub cf::attachable::detach {	966	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
635	reattach ($obj);	971	reattach ($obj);
636	} else {	972	} else {
637	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
638	}	974	}
		975	_recalc_want;
639	};	976	};
640		977
641	sub cf::attachable::attached {	978	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
643		980
…		…
658	";	995	";
659	die if $@;	996	die if $@;
660	}	997	}
661		998
662	our $override;	999	our $override;
663	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?
664		1001
665	sub override {	1002	sub override {
666	$override = 1;	1003	$override = 1;
667	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
668	}	1005	}
669		1006
670	sub do_invoke {	1007	sub do_invoke {
671	my $event = shift;	1008	my $event = shift;
672	my $callbacks = shift;	1009	my $callbacks = shift;
673		1010
674	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
675		1012
676	local $override;	1013	local $override;
677		1014
678	for (@$callbacks) {	1015	for (@$callbacks) {
679	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
688	}	1025	}
689		1026
690	0	1027	0
691	}	1028	}
692		1029
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1031
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1033
697	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
698		1035
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1039
703	=back	1040	=back
704		1041
705	=cut	1042	=cut
706		1043
707	#############################################################################	1044	#############################################################################
708	# 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, $ob2
		1087	}
709		1088
710	sub reattach {	1089	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1091	my ($obj) = @_;
713		1092
		1093	# no longer needed after getting rid of delete_package?
714	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
715		1095
716	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
717		1097
718	@$registry = ();	1098	@$registry = ();
719		1099
…		…
734	cf::attachable->attach (	1114	cf::attachable->attach (
735	prio => -1000000,	1115	prio => -1000000,
736	on_instantiate => sub {	1116	on_instantiate => sub {
737	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
738		1118
739	$data = from_json $data;	1119	$data = decode_json $data;
740		1120
741	for (@$data) {	1121	for (@$data) {
742	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
743		1123
744	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1140	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
762		1142
763	sync_job {	1143	sync_job {
764	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
767		1148
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1153	aio_close $fh;
773		1154
774	if (@$objs) {	1155	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1161	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
782	}	1163	}
783	} else {	1164	} else {
784	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
785	}	1166	}
…		…
790	}	1171	}
791	} else {	1172	} else {
792	aio_unlink $filename;	1173	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
794	}	1175	}
795	}	1176	};
796	}	1177	}
797		1178
798	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
800		1181
…		…
812	or return;	1193	or return;
813		1194
814	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
816	or return;	1197	or return;
		1198
817	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
818	}	1201	}
819		1202
		1203	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
822	return ($data, $av);	1207	($data, $av)
823	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
824		1215
825	#############################################################################	1216	#############################################################################
826	# command handling &c	1217	# command handling &c
827		1218
828	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1233	}
843		1234
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1236
846	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.
847		1242
848	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
849	called.	1244	called.
850		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
851	=cut	1257	=cut
852		1258
853	sub register_extcmd {	1259	sub register_extcmd {
854	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
855		1261
856	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
857	}	1269	}
858		1270
859	cf::player->attach (	1271	cf::player->attach (
860	on_command => sub {	1272	on_command => sub {
861	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1282	cf::override;
871	},	1283	},
872	on_extcmd => sub {	1284	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
874		1286
875	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1288
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
883	} else {	1304	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1306	}
886		1307
887	cf::override;	1308	cf::override;
888	},	1309	},
889	);	1310	);
890		1311
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
926	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1317	next unless -r $path;
928	eval {	1318
929	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	$progress = 1;
930	1	1375	}
931	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
932	}	1381	};
933	}	1382	}
934		1383
935	#############################################################################	1384	#############################################################################
936		1385
		1386	=back
		1387
937	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
938		1389
939	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
940		1391
941	=cut	1392	=cut
…		…
946		1397
947	=head3 cf::player	1398	=head3 cf::player
948		1399
949	=over 4	1400	=over 4
950		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
951	=item cf::player::find $login	1416	=item cf::player::find $login
952		1417
953	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
954		1419
955	=cut	1420	=cut
956		1421
957	sub playerdir($) {	1422	sub playerdir($) {
958	cf::localdir	1423	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1425	}
964		1426
965	sub path($) {	1427	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1429
968	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
969	}	1431	}
970		1432
971	sub find_active($) {	1433	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1448	my $login = $_[0];
987		1449
988	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
989		1451
990	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
994	}	1469	}
995	}	1470	}
996	}	1471	}
997		1472
…		…
1006	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1007		1482
1008	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1010		1485
		1486	cf::get_slot 0.01;
		1487
1011	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1012	Coro::cede;	1489	cf::cede_to_tick;
1013	}	1490	}
1014		1491
1015	sub new($) {	1492	sub new($) {
1016	my ($login) = @_;	1493	my ($login) = @_;
1017		1494
…		…
1023	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1024		1501
1025	$self	1502	$self
1026	}	1503	}
1027		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
1028	=item $pl->quit_character	1515	=item $pl->quit_character
1029		1516
1030	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1032		1519
…		…
1036	my ($pl) = @_;	1523	my ($pl) = @_;
1037		1524
1038	my $name = $pl->ob->name;	1525	my $name = $pl->ob->name;
1039		1526
1040	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1041	$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
1042		1529
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1047		1536
1048	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1080		1569
1081	=cut	1570	=cut
1082		1571
1083	sub list_logins {	1572	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1574	or return [];
1086		1575
1087	my @logins;	1576	my @logins;
1088		1577
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1093		1588
1094	utf8::decode $login;	1589	utf8::decode $login;
1095	push @logins, $login;	1590	push @logins, $login;
1096	}	1591	}
1097		1592
…		…
1124	}	1619	}
1125		1620
1126	\@paths	1621	\@paths
1127	}	1622	}
1128		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1130		1720
1131	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1132		1722
1133	=cut	1723	=cut
1134		1724
1135	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1137		1727
1138	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1729	}
1142		1730
1143	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1144		1771
1145	=back	1772	=back
1146
1147		1773
1148	=head3 cf::map	1774	=head3 cf::map
1149		1775
1150	=over 4	1776	=over 4
1151		1777
…		…
1163	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1165		1791
1166	sub generate_random_map {	1792	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1168	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1798	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1207		1836
1208	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1209	local $self->{path};	1838	local $self->{path};
1210	local $self->{load_path};	1839	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1840
1214	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1215	}	1842	}
1216		1843
1217	sub normalise {	1844	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1265	return $self;	1892	return $self;
1266	}	1893	}
1267	}	1894	}
1268		1895
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1897	()
1271	}	1898	}
1272		1899
1273	sub init {	1900	sub init {
1274	my ($self) = @_;	1901	my ($self) = @_;
…		…
1289		1916
1290	# the original (read-only) location	1917	# the original (read-only) location
1291	sub load_path {	1918	sub load_path {
1292	my ($self) = @_;	1919	my ($self) = @_;
1293		1920
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1295	}	1922	}
1296		1923
1297	# the temporary/swap location	1924	# the temporary/swap location
1298	sub save_path {	1925	sub save_path {
1299	my ($self) = @_;	1926	my ($self) = @_;
1300		1927
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1303	}	1930	}
1304		1931
1305	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1306	sub uniq_path {	1933	sub uniq_path {
1307	my ($self) = @_;	1934	my ($self) = @_;
1308		1935
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1311	}	1938	}
1312		1939
1313	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1314	# all maps in C++...	1941	# all maps in C++...
1315	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1317		1944
1318	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1320	}	1947	}
1321		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1322	sub unlink_save {	1957	sub unlink_save {
1323	my ($self) = @_;	1958	my ($self) = @_;
1324		1959
1325	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1964
1330	sub load_header_from($) {	1965	sub load_header_from($) {
1331	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1332		1967
1333	utf8::encode $path;	1968	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1970	or return;
		1971
		1972	$self->_load_header ($f)
		1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1339		1977
1340	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1341		1979
1342	1	1980	1
1343	}	1981	}
…		…
1382	$self->load_header_orig	2020	$self->load_header_orig
1383	or return;	2021	or return;
1384	$self->prepare_orig;	2022	$self->prepare_orig;
1385	}	2023	}
1386		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
		2030
1387	1	2031	1
1388	}	2032	}
1389		2033
1390	sub find;	2034	sub find;
1391	sub find {	2035	sub find {
1392	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1393		2037
1394	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1395		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1397		2042
1398	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1399	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1400	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1401	or return;	2048	or return;
1402		2049
1403	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1404		2051
1405	$map->load_header	2052	$map->load_header
1406	or return;	2053	or return;
1407		2054
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1411	$map->reset;	2060	$map->reset;
1412	undef $guard;
1413	return find $path;	2061	return find $path;
1414	}	2062	}
1415		2063
1416	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1417	}	2065	}
…		…
1424	my ($self) = @_;	2072	my ($self) = @_;
1425		2073
1426	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1427		2075
1428	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1430		2080
		2081	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2083
1433	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1434		2085
1435	$self->alloc;	2086	$self->alloc;
1436		2087
1437	$self->pre_load;	2088	$self->pre_load;
		2089	cf::cede_to_tick;
1438		2090
1439	$self->_load_objects ($self->{load_path}, 1)	2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1440	or return;	2094	or return;
1441		2095
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1443	if delete $self->{load_original};	2097	if delete $self->{load_original};
1444		2098
1445	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2100	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2103	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1450	}	2107	}
1451	}	2108	}
1452		2109
1453	Coro::cede;	2110	$f->resolve_delayed_derefs;
1454		2111
		2112	cf::cede_to_tick;
1455	# now do the right thing for maps	2113	# now do the right thing for maps
1456	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2116	unless $self->difficulty;
1466	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1467	$self->activate;	2126	$self->activate;
		2127	}
		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
		2132	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2133	}
1469		2134
1470	$self->post_load;	2135	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2136	}
1474		2137
1475	sub customise_for {	2138	sub customise_for {
1476	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1477		2140
1478	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2142	if $self->per_player;
1480		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1481	$self	2147	$self
1482	}	2148	}
1483		2149
1484	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2151	sub load_neighbours {
1486	my ($map) = @_;	2152	my ($map) = @_;
1487		2153
1488	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1489		2155
1490	for (0 .. 3) {	2156	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1492	or next;	2158	or next;
1493	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1494	or next;	2160	or next;
1495	$neigh->load;	2161	$neigh->load;
1496		2162
		2163	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2166	}
1500		2167
1501	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1503	or next;	2171	or next;
1504	$neigh->load;	2172	$neigh->load;
1505	}	2173	}
1506	}	2174	}
1507		2175
…		…
1512	}	2180	}
1513		2181
1514	sub do_load_sync {	2182	sub do_load_sync {
1515	my ($map) = @_;	2183	my ($map) = @_;
1516		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1517	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1518	}	2189	}
1519		2190
1520	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1522		2193
1523	sub find_async {	2194	sub find_async {
1524	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1525		2196
1526	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1527		2198
1528	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2201	}
1531		2202
1532	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1533	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1534	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2210	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2211	$map->load if $v;
		2212	}
1539		2213
1540	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1541	}	2215	}
1542	}	2216	}
1543	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1544	};	2218	};
1545	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2222	}
1549		2223
1550	sub save {	2224	sub save {
1551	my ($self) = @_;	2225	my ($self) = @_;
1552		2226
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2228
1555	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1556		2230
1557	return unless $self->dirty;	2231	return unless $self->dirty;
1558		2232
…		…
1564	return if $self->{deny_save};	2238	return if $self->{deny_save};
1565		2239
1566	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1567		2241
1568	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1570	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1571		2248
1572	if ($uniq) {	2249	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2252	} else {
…		…
1581	my ($self) = @_;	2258	my ($self) = @_;
1582		2259
1583	# save first because save cedes	2260	# save first because save cedes
1584	$self->save;	2261	$self->save;
1585		2262
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2264
1588	return if $self->players;	2265	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2267	return if $self->{deny_save};
1591		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2273	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2274	}
1595		2275
1596	sub reset_at {	2276	sub reset_at {
1597	my ($self) = @_;	2277	my ($self) = @_;
1598		2278
1599	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1602		2281
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2284
…		…
1616	my ($self) = @_;	2295	my ($self) = @_;
1617		2296
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2298
1620	return if $self->players;	2299	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2300
1623	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
1624		2302
1625	$self->in_memory (cf::MAP_SWAPPED);	2303	$self->in_memory (cf::MAP_SWAPPED);
1626		2304
1627	# need to save uniques path	2305	# need to save uniques path
1628	unless ($self->{deny_save}) {	2306	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2310	if $uniq;
1633	}	2311	}
1634		2312
1635	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1636		2314
		2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2317	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2318
1641	$self->unlink_save;	2319	$self->unlink_save;
1642	$self->destroy;	2320	$self->destroy;
1643	}	2321	}
1644		2322
1645	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1646		2324
1647	sub nuke {	2325	sub nuke {
1648	my ($self) = @_;	2326	my ($self) = @_;
1649		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1650	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1651		2332
1652	$self->unlink_save;	2333	$self->unlink_save;
1653		2334
1654	bless $self, "cf::map";	2335	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2340
1660	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1661		2343
1662	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1663	}	2381	}
1664		2382
1665	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1666		2384
1667	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2386	instantiated unique items. May block.
1669		2387
1670	=cut	2388	=cut
1671		2389
1672	sub unique_maps() {	2390	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1674	or return;	2392	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2393	utf8::decode $_;
1680	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2396	? ()
1683	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2399	]
1685
1686	\@paths
1687	}	2400	}
1688
1689	package cf;
1690		2401
1691	=back	2402	=back
1692		2403
1693	=head3 cf::object	2404	=head3 cf::object
1694		2405
…		…
1698		2409
1699	=over 4	2410	=over 4
1700		2411
1701	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1702		2413
1703	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1704		2416
1705	=cut	2417	=cut
1706		2418
1707	sub inv_recursive_;	2419	sub inv_recursive_;
1708	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1711		2423
1712	sub inv_recursive {	2424	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1714	}	2426	}
1715		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1716	package cf;	2456	package cf;
1717		2457
1718	=back	2458	=back
1719		2459
1720	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1729		2469
1730	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1731		2485
1732	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2487	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1737		2491
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2493
1740	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1742	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1745	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1746	}	2519	}
1747		2520
1748	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1749		2522
1750	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1798		2571
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2573
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1803		2576
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2578	}
1806		2579
1807	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1809		2584
1810	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1811		2586
1812	unless ($map) {	2587	unless ($map) {
1813	# restore original map position	2588	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1830		2605
1831	$map->load;	2606	$map->load;
1832	$map->load_diag;	2607	$map->load_neighbours;
1833		2608
1834	return unless $self->contr->active;	2609	return unless $self->contr->active;
1835	$self->activate_recursive;	2610	$self->activate_recursive;
1836		2611
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1839	}	2614	}
1840		2615
1841	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2617
1845	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1849	};	2622	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2623
1855	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1856	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2626
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1876		2630
1877	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2636
1880	$self->enter_link;	2637	$self->enter_link;
1881		2638
1882	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
1883	my $map = eval {	2661	my $map = eval {
1884	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
		2666	$map = $check->($map) if $check && $map;
		2667	} else {
		2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
		2670
1886	$map	2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2677	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1891	})->prio (1);	2685	})->prio (1);
1892	}	2686	}
1893		2687
1894	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1895		2689
…		…
1915	}	2709	}
1916		2710
1917	sub prepare_random_map {	2711	sub prepare_random_map {
1918	my ($exit) = @_;	2712	my ($exit) = @_;
1919		2713
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2716	# that depends on the exit object
1925		2717
1926	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2720	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1933	}	2727	}
1934		2728
1935	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1936		2730
1937	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1940		2734
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2737	undef $fh;
1944	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1945		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1948	}	2746	}
1949	}	2747	}
1950		2748
1951	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
1953		2751
1954	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1955		2753
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2754	$self->enter_link;
1966		2755
1967	(async {	2756	(async {
1968	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1969	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
1970	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
1971		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1972	1;	2780	1
1973	}) {	2781	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2786
1979	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2788	$self->leave_link;
1981	}	2789	}
1982	})->prio (1);	2790	})->prio (1);
…		…
1998		2806
1999	utf8::encode $text;	2807	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2809	}
2002		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	my $pkt = "msg "
		2913	. $self->{json_coder}->encode (
		2914	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2915	);
		2916
		2917	# try lzf for large packets
		2918	$pkt = "lzf " . Compress::LZF::compress $pkt
		2919	if 1024 <= length $pkt and $self->{can_lzf};
		2920
		2921	# split very large packets
		2922	if (8192 < length $pkt and $self->{can_lzf}) {
		2923	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2924	$pkt = "frag";
		2925	}
		2926
		2927	$self->send_packet ($pkt);
		2928	} else {
		2929	if ($color >= 0) {
		2930	# replace some tags by gcfclient-compatible ones
		2931	for ($msg) {
		2932	1 while
		2933	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2934	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2935	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2936	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2937	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2938	}
		2939
		2940	$color &= cf::NDI_COLOR_MASK;
		2941
		2942	utf8::encode $msg;
		2943
		2944	if (0 && $msg =~ /\[/) {
		2945	# COMMAND/INFO
		2946	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2947	} else {
		2948	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2949	$self->send_packet ("drawinfo $color $msg")
		2950	}
		2951	}
		2952	}
		2953	}
		2954
		2955	=item $client->ext_msg ($type, @msg)
		2956
		2957	Sends an ext event to the client.
		2958
		2959	=cut
		2960
		2961	sub cf::client::ext_msg($$@) {
		2962	my ($self, $type, @msg) = @_;
		2963
		2964	if ($self->extcmd == 2) {
		2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2966	} elsif ($self->extcmd == 1) { # TODO: remove
		2967	push @msg, msgtype => "event_$type";
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
		2971
		2972	=item $client->ext_reply ($msgid, @msg)
		2973
		2974	Sends an ext reply to the client.
		2975
		2976	=cut
		2977
		2978	sub cf::client::ext_reply($$@) {
		2979	my ($self, $id, @msg) = @_;
		2980
		2981	if ($self->extcmd == 2) {
		2982	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2983	} elsif ($self->extcmd == 1) {
		2984	#TODO: version 1, remove
		2985	unshift @msg, msgtype => "reply", msgid => $id;
		2986	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2987	}
		2988	}
2003		2989
2004	=item $success = $client->query ($flags, "text", \&cb)	2990	=item $success = $client->query ($flags, "text", \&cb)
2005		2991
2006	Queues a query to the client, calling the given callback with	2992	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2993	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2994	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2995
2010	Queries can fail, so check the return code. Or don't, as queries will become	2996	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2997	become reliable at some point in the future.
2012		2998
2013	=cut	2999	=cut
2014		3000
2015	sub cf::client::query {	3001	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3002	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3010	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3011	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3012
2027	$self->send_packet ($self->{query_queue}[0][0])	3013	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3014	if @{ $self->{query_queue} } == 1;
		3015
		3016	1
2029	}	3017	}
2030		3018
2031	cf::client->attach (	3019	cf::client->attach (
		3020	on_connect => sub {
		3021	my ($ns) = @_;
		3022
		3023	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3024	},
2032	on_reply => sub {	3025	on_reply => sub {
2033	my ($ns, $msg) = @_;	3026	my ($ns, $msg) = @_;
2034		3027
2035	# this weird shuffling is so that direct followup queries	3028	# this weird shuffling is so that direct followup queries
2036	# get handled first	3029	# get handled first
…		…
2048	} else {	3041	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3042	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3043	}
2051	}	3044	}
2052	},	3045	},
		3046	on_exticmd => sub {
		3047	my ($ns, $buf) = @_;
		3048
		3049	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3050
		3051	if (ref $msg) {
		3052	my ($type, $reply, @payload) =
		3053	"ARRAY" eq ref $msg
		3054	? @$msg
		3055	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3056
		3057	my @reply;
		3058
		3059	if (my $cb = $EXTICMD{$type}) {
		3060	@reply = $cb->($ns, @payload);
		3061	}
		3062
		3063	$ns->ext_reply ($reply, @reply)
		3064	if $reply;
		3065
		3066	} else {
		3067	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3068	}
		3069
		3070	cf::override;
		3071	},
2053	);	3072	);
2054		3073
2055	=item $client->async (\&cb)	3074	=item $client->async (\&cb)
2056		3075
2057	Create a new coroutine, running the specified callback. The coroutine will	3076	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3117	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3118	our $safe_hole = new Safe::Hole;
2100		3119
2101	$SIG{FPE} = 'IGNORE';	3120	$SIG{FPE} = 'IGNORE';
2102		3121
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3122	$safe->permit_only (Opcode::opset qw(
		3123	:base_core :base_mem :base_orig :base_math
		3124	grepstart grepwhile mapstart mapwhile
		3125	sort time
		3126	));
2104		3127
2105	# here we export the classes and methods available to script code	3128	# here we export the classes and methods available to script code
2106		3129
2107	=pod	3130	=pod
2108		3131
2109	The following fucntions and emthods are available within a safe environment:	3132	The following functions and methods are available within a safe environment:
2110		3133
2111	cf::object contr pay_amount pay_player map	3134	cf::object
		3135	contr pay_amount pay_player map x y force_find force_add destroy
		3136	insert remove name archname title slaying race decrease split
		3137
2112	cf::object::player player	3138	cf::object::player
2113	cf::player peaceful	3139	player
2114	cf::map trigger	3140
		3141	cf::player
		3142	peaceful
		3143
		3144	cf::map
		3145	trigger
2115		3146
2116	=cut	3147	=cut
2117		3148
2118	for (	3149	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3150	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3151	insert remove inv nrof name archname title slaying race
		3152	decrease split destroy change_exp)],
2120	["cf::object::player" => qw(player)],	3153	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3154	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3155	["cf::map" => qw(trigger)],
2123	) {	3156	) {
2124	no strict 'refs';	3157	no strict 'refs';
…		…
2195	=back	3228	=back
2196		3229
2197	=cut	3230	=cut
2198		3231
2199	#############################################################################	3232	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3233	# the server's init and main functions
2273		3234
2274	sub load_faces {	3235	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3236	my ($path) = @_;
2276		3237
		3238	# HACK to clear player env face cache, we need some signal framework
		3239	# for this (global event?)
		3240	%ext::player_env::MUSIC_FACE_CACHE = ();
		3241
		3242	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3243
2277	warn "loading faces from $path\n";	3244	warn "loading facedata from $path\n";
2278		3245
2279	my $faces;	3246	my $facedata;
2280	0 < aio_load $path, $faces	3247	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3248	or die "$path: $!";
2282		3249
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3250	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3251
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3252	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3253	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3254
		3255	# patch in the exptable
		3256	$facedata->{resource}{"res/exp_table"} = {
		3257	type => FT_RSRC,
		3258	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3259	};
		3260	cf::cede_to_tick;
		3261
		3262	{
		3263	my $faces = $facedata->{faceinfo};
		3264
2291	while (my ($face, $info) = each %$faces) {	3265	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3267
		3268	cf::face::set_visibility $idx, $info->{visibility};
		3269	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295	Coro::cede;	3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296	}
2297		3272
		3273	cf::cede_to_tick;
		3274	}
		3275
2298	while (my ($face, $info) = each %$faces) {	3276	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	3277	next unless $info->{smooth};
		3278
2300	my $idx = cf::face::find $face	3279	my $idx = cf::face::find $face
2301	or next;	3280	or next;
		3281
2302	if (my $smooth = cf::face::find $info->{smooth}) {	3282	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;	3283	cf::face::set_smooth $idx, $smooth;
		3284	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2304	} else {	3285	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";	3286	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}	3287	}
2307	Coro::cede;	3288
		3289	cf::cede_to_tick;
		3290	}
		3291	}
		3292
2308	}	3293	{
		3294	my $anims = $facedata->{animinfo};
		3295
		3296	while (my ($anim, $info) = each %$anims) {
		3297	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3298	cf::cede_to_tick;
		3299	}
		3300
		3301	cf::anim::invalidate_all; # d'oh
		3302	}
		3303
		3304	{
		3305	# TODO: for gcfclient pleasure, we should give resources
		3306	# that gcfclient doesn't grok a >10000 face index.
		3307	my $res = $facedata->{resource};
		3308
		3309	while (my ($name, $info) = each %$res) {
		3310	if (defined $info->{type}) {
		3311	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3312	my $data;
		3313
		3314	if ($info->{type} & 1) {
		3315	# prepend meta info
		3316
		3317	my $meta = $enc->encode ({
		3318	name => $name,
		3319	%{ $info->{meta} || {} },
		3320	});
		3321
		3322	$data = pack "(w/a*)*", $meta, $info->{data};
		3323	} else {
		3324	$data = $info->{data};
		3325	}
		3326
		3327	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3328	cf::face::set_type $idx, $info->{type};
		3329	} else {
		3330	$RESOURCE{$name} = $info;
		3331	}
		3332
		3333	cf::cede_to_tick;
		3334	}
		3335	}
		3336
		3337	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2309		3338
2310	1	3339	1
2311	}	3340	}
2312		3341
		3342	cf::global->attach (on_resource_update => sub {
		3343	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3344	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3345
		3346	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3347	my $sound = $soundconf->{compat}[$_]
		3348	or next;
		3349
		3350	my $face = cf::face::find "sound/$sound->[1]";
		3351	cf::sound::set $sound->[0] => $face;
		3352	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3353	}
		3354
		3355	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3356	my $face = cf::face::find "sound/$v";
		3357	cf::sound::set $k => $face;
		3358	}
		3359	}
		3360	});
		3361
		3362	register_exticmd fx_want => sub {
		3363	my ($ns, $want) = @_;
		3364
		3365	while (my ($k, $v) = each %$want) {
		3366	$ns->fx_want ($k, $v);
		3367	}
		3368	};
		3369
		3370	sub load_resource_file($) {
		3371	my $guard = lock_acquire "load_resource_file";
		3372
		3373	my $status = load_resource_file_ $_[0];
		3374	get_slot 0.1, 100;
		3375	cf::arch::commit_load;
		3376
		3377	$status
		3378	}
		3379
		3380	sub reload_regions {
		3381	# HACK to clear player env face cache, we need some signal framework
		3382	# for this (global event?)
		3383	%ext::player_env::MUSIC_FACE_CACHE = ();
		3384
		3385	load_resource_file "$MAPDIR/regions"
		3386	or die "unable to load regions file\n";
		3387
		3388	for (cf::region::list) {
		3389	$_->{match} = qr/$_->{match}/
		3390	if exists $_->{match};
		3391	}
		3392	}
		3393
		3394	sub reload_facedata {
		3395	load_facedata "$DATADIR/facedata"
		3396	or die "unable to load facedata\n";
		3397	}
		3398
		3399	sub reload_archetypes {
		3400	load_resource_file "$DATADIR/archetypes"
		3401	or die "unable to load archetypes\n";
		3402	}
		3403
		3404	sub reload_treasures {
		3405	load_resource_file "$DATADIR/treasures"
		3406	or die "unable to load treasurelists\n";
		3407	}
		3408
2313	sub reload_resources {	3409	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3410	warn "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	3411
2316	load_faces	3412	reload_facedata;
2317	or die "unable to load faces\n";#d#	3413	reload_archetypes;
		3414	reload_regions;
		3415	reload_treasures;
		3416
		3417	warn "finished reloading resource files\n";
2318	}	3418	}
2319		3419
2320	sub init {	3420	sub init {
		3421	my $guard = freeze_mainloop;
		3422
		3423	evthread_start IO::AIO::poll_fileno;
		3424
2321	reload_resources;	3425	reload_resources;
2322	}	3426	}
2323		3427
2324	sub cfg_load {	3428	sub reload_config {
2325	open my $fh, "<:utf8", cf::confdir . "/config"	3429	open my $fh, "<:utf8", "$CONFDIR/config"
2326	or return;	3430	or return;
2327		3431
2328	local $/;	3432	local $/;
2329	*CFG = YAML::Syck::Load <$fh>;	3433	*CFG = YAML::Load <$fh>;
2330		3434
2331	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2332		3436
2333	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3437	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2334	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3438	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2345	sub main {	3449	sub main {
2346	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2347	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2349	(async {	3453	(async {
2350	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
2351	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
2352	};	3457	};
2353		3458
2354	cfg_load;	3459	{
		3460	my $guard = freeze_mainloop;
		3461	reload_config;
2355	db_init;	3462	db_init;
2356	load_extensions;	3463	load_extensions;
2357		3464
2358	$TICK_WATCHER->start;	3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466	}
		3467
2359	Event::loop;	3468	EV::loop;
2360	}	3469	}
2361		3470
2362	#############################################################################	3471	#############################################################################
2363	# initialisation and cleanup	3472	# initialisation and cleanup
2364		3473
2365	# install some emergency cleanup handlers	3474	# install some emergency cleanup handlers
2366	BEGIN {	3475	BEGIN {
		3476	our %SIGWATCHER = ();
2367	for my $signal (qw(INT HUP TERM)) {	3477	for my $signal (qw(INT HUP TERM)) {
2368	Event->signal (	3478	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2369	reentrant => 0,
2370	data => WF_AUTOCANCEL,
2371	signal => $signal,
2372	prio => 0,
2373	cb => sub {
2374	cf::cleanup "SIG$signal";	3479	cf::cleanup "SIG$signal";
2375	},
2376	);	3480	};
		3481	}
		3482	}
		3483
		3484	sub write_runtime_sync {
		3485	my $runtime = "$LOCALDIR/runtime";
		3486
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $runtime, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$runtime~", $runtime
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2377	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3537	$uuid_skip = 0;
		3538
		3539	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3540	and return;
		3541
		3542	# always fsync - this file is important
		3543	aio_fsync $fh
		3544	and return;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$uuid~", $uuid
		3550	and return;
		3551
		3552	warn "uuid file written ($value).\n";
		3553
		3554	1
		3555
		3556	}
		3557
		3558	sub write_uuid($$) {
		3559	my ($skip, $sync) = @_;
		3560
		3561	$sync ? write_uuid_sync $skip
		3562	: async { write_uuid_sync $skip };
2378	}	3563	}
2379		3564
2380	sub emergency_save() {	3565	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	3566	my $freeze_guard = cf::freeze_mainloop;
2382		3567
…		…
2388	# and maps saved/destroyed asynchronously.	3573	# and maps saved/destroyed asynchronously.
2389	warn "begin emergency player save\n";	3574	warn "begin emergency player save\n";
2390	for my $login (keys %cf::PLAYER) {	3575	for my $login (keys %cf::PLAYER) {
2391	my $pl = $cf::PLAYER{$login} or next;	3576	my $pl = $cf::PLAYER{$login} or next;
2392	$pl->valid or next;	3577	$pl->valid or next;
		3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2393	$pl->save;	3579	$pl->save;
2394	}	3580	}
2395	warn "end emergency player save\n";	3581	warn "end emergency player save\n";
2396		3582
2397	warn "begin emergency map save\n";	3583	warn "begin emergency map save\n";
…		…
2403	warn "end emergency map save\n";	3589	warn "end emergency map save\n";
2404		3590
2405	warn "begin emergency database checkpoint\n";	3591	warn "begin emergency database checkpoint\n";
2406	BDB::db_env_txn_checkpoint $DB_ENV;	3592	BDB::db_env_txn_checkpoint $DB_ENV;
2407	warn "end emergency database checkpoint\n";	3593	warn "end emergency database checkpoint\n";
		3594
		3595	warn "begin write uuid\n";
		3596	write_uuid_sync 1;
		3597	warn "end write uuid\n";
2408	};	3598	};
2409		3599
2410	warn "leave emergency perl save\n";	3600	warn "leave emergency perl save\n";
2411	}	3601	}
2412		3602
…		…
2415		3605
2416	warn Carp::longmess "post_cleanup backtrace"	3606	warn Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	3607	if $make_core;
2418	}	3608	}
2419		3609
		3610	# a safer delete_package, copied from Symbol
		3611	sub clear_package($) {
		3612	my $pkg = shift;
		3613
		3614	# expand to full symbol table name if needed
		3615	unless ($pkg =~ /^main::.*::$/) {
		3616	$pkg = "main$pkg" if $pkg =~ /^::/;
		3617	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3618	$pkg .= '::' unless $pkg =~ /::$/;
		3619	}
		3620
		3621	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3622	my $stem_symtab = *{$stem}{HASH};
		3623
		3624	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3625	or return;
		3626
		3627	# clear all symbols
		3628	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3629	for my $name (keys %$leaf_symtab) {
		3630	_gv_clear *{"$pkg$name"};
		3631	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3632	}
		3633	warn "cleared package #$pkg\n";#d#
		3634	}
		3635
		3636	our $RELOAD; # how many times to reload
		3637
2420	sub reload() {	3638	sub do_reload_perl() {
2421	# can/must only be called in main	3639	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	3640	if ($Coro::current != $Coro::main) {
2423	warn "can only reload from main coroutine";	3641	warn "can only reload from main coroutine";
2424	return;	3642	return;
2425	}	3643	}
2426		3644
		3645	return if $RELOAD++;
		3646
		3647	while ($RELOAD) {
2427	warn "reloading...";	3648	warn "reloading...";
2428		3649
2429	warn "entering sync_job";	3650	warn "entering sync_job";
2430		3651
2431	cf::sync_job {	3652	cf::sync_job {
2432	cf::write_runtime; # external watchdog should not bark	3653	cf::write_runtime_sync; # external watchdog should not bark
2433	cf::emergency_save;	3654	cf::emergency_save;
2434	cf::write_runtime; # external watchdog should not bark	3655	cf::write_runtime_sync; # external watchdog should not bark
2435		3656
2436	warn "syncing database to disk";	3657	warn "syncing database to disk";
2437	BDB::db_env_txn_checkpoint $DB_ENV;	3658	BDB::db_env_txn_checkpoint $DB_ENV;
2438		3659
2439	# if anything goes wrong in here, we should simply crash as we already saved	3660	# if anything goes wrong in here, we should simply crash as we already saved
2440		3661
2441	warn "cancelling all WF_AUTOCANCEL watchers";
2442	for (Event::all_watchers) {
2443	$_->cancel if $_->data & WF_AUTOCANCEL;
2444	}
2445
2446	warn "flushing outstanding aio requests";	3662	warn "flushing outstanding aio requests";
2447	for (;;) {
2448	BDB::flush;
2449	IO::AIO::flush;
2450	Coro::cede;
2451	last unless IO::AIO::nreqs || BDB::nreqs;	3663	while (IO::AIO::nreqs || BDB::nreqs) {
2452	warn "iterate...";	3664	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2453	}
2454
2455	++$RELOAD;
2456
2457	warn "cancelling all extension coros";
2458	$_->cancel for values %EXT_CORO;
2459	%EXT_CORO = ();
2460
2461	warn "removing commands";
2462	%COMMAND = ();
2463
2464	warn "removing ext commands";
2465	%EXTCMD = ();
2466
2467	warn "unloading/nuking all extensions";
2468	for my $pkg (@EXTS) {
2469	warn "... unloading $pkg";
2470
2471	if (my $cb = $pkg->can ("unload")) {
2472	eval {
2473	$cb->($pkg);
2474	1
2475	} or warn "$pkg unloaded, but with errors: $@";
2476	}	3665	}
2477		3666
2478	warn "... nuking $pkg";	3667	warn "cancelling all extension coros";
2479	Symbol::delete_package $pkg;	3668	$_->cancel for values %EXT_CORO;
2480	}	3669	%EXT_CORO = ();
2481		3670
2482	warn "unloading all perl modules loaded from $LIBDIR";	3671	warn "removing commands";
2483	while (my ($k, $v) = each %INC) {	3672	%COMMAND = ();
2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2485		3673
		3674	warn "removing ext/exti commands";
		3675	%EXTCMD = ();
		3676	%EXTICMD = ();
		3677
		3678	warn "unloading/nuking all extensions";
		3679	for my $pkg (@EXTS) {
2486	warn "... unloading $k";	3680	warn "... unloading $pkg";
2487	delete $INC{$k};
2488		3681
2489	$k =~ s/\.pm$//;
2490	$k =~ s/\//::/g;
2491
2492	if (my $cb = $k->can ("unload_module")) {	3682	if (my $cb = $pkg->can ("unload")) {
		3683	eval {
2493	$cb->();	3684	$cb->($pkg);
		3685	1
		3686	} or warn "$pkg unloaded, but with errors: $@";
		3687	}
		3688
		3689	warn "... clearing $pkg";
		3690	clear_package $pkg;
2494	}	3691	}
2495		3692
2496	Symbol::delete_package $k;	3693	warn "unloading all perl modules loaded from $LIBDIR";
		3694	while (my ($k, $v) = each %INC) {
		3695	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3696
		3697	warn "... unloading $k";
		3698	delete $INC{$k};
		3699
		3700	$k =~ s/\.pm$//;
		3701	$k =~ s/\//::/g;
		3702
		3703	if (my $cb = $k->can ("unload_module")) {
		3704	$cb->();
		3705	}
		3706
		3707	clear_package $k;
2497	}	3708	}
2498		3709
2499	warn "getting rid of safe::, as good as possible";	3710	warn "getting rid of safe::, as good as possible";
2500	Symbol::delete_package "safe::$_"	3711	clear_package "safe::$_"
2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3712	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502		3713
2503	warn "unloading cf.pm \"a bit\"";	3714	warn "unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	3715	delete $INC{"cf.pm"};
		3716	delete $INC{"cf/pod.pm"};
2505		3717
2506	# don't, removes xs symbols, too,	3718	# don't, removes xs symbols, too,
2507	# and global variables created in xs	3719	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	3720	#clear_package __PACKAGE__;
2509		3721
2510	warn "unload completed, starting to reload now";	3722	warn "unload completed, starting to reload now";
2511		3723
2512	warn "reloading cf.pm";	3724	warn "reloading cf.pm";
2513	require cf;	3725	require cf;
2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2515		3727
2516	warn "loading config and database again";	3728	warn "loading config and database again";
2517	cf::cfg_load;	3729	cf::reload_config;
2518		3730
2519	warn "loading extensions";	3731	warn "loading extensions";
2520	cf::load_extensions;	3732	cf::load_extensions;
2521		3733
2522	warn "reattaching attachments to objects/players";	3734	warn "reattaching attachments to objects/players";
2523	_global_reattach; # objects, sockets	3735	_global_reattach; # objects, sockets
2524	warn "reattaching attachments to maps";	3736	warn "reattaching attachments to maps";
2525	reattach $_ for values %MAP;	3737	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	3738	warn "reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	3739	reattach $_ for values %PLAYER;
2528		3740
2529	warn "loading reloadable resources";
2530	reload_resources;
2531
2532	warn "leaving sync_job";	3741	warn "leaving sync_job";
2533		3742
2534	1	3743	1
2535	} or do {	3744	} or do {
2536	warn $@;	3745	warn $@;
2537	warn "error while reloading, exiting.";	3746	cf::cleanup "error while reloading, exiting.";
2538	exit 1;	3747	};
		3748
		3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752	};
		3753
		3754	our $RELOAD_WATCHER; # used only during reload
		3755
		3756	sub reload_perl() {
		3757	# doing reload synchronously and two reloads happen back-to-back,
		3758	# coro crashes during coro_state_free->destroy here.
		3759
		3760	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
2539	};	3763	};
2540		3764	}
2541	warn "reloaded";
2542	};
2543
2544	our $RELOAD_WATCHER; # used only during reload
2545		3765
2546	register_command "reload" => sub {	3766	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	3767	my ($who, $arg) = @_;
2548		3768
2549	if ($who->flag (FLAG_WIZ)) {	3769	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	3770	$who->message ("reloading server.");
2551		3771	async {
2552	# doing reload synchronously and two reloads happen back-to-back,	3772	$Coro::current->{desc} = "perl_reload";
2553	# coro crashes during coro_state_free->destroy here.
2554
2555	$RELOAD_WATCHER ||= Event->timer (
2556	reentrant => 0,
2557	after => 0,
2558	data => WF_AUTOCANCEL,
2559	cb => sub {
2560	reload;	3773	reload_perl;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);	3774	};
2564	}	3775	}
2565	};	3776	};
2566		3777
2567	unshift @INC, $LIBDIR;	3778	unshift @INC, $LIBDIR;
2568		3779
2569	my $bug_warning = 0;	3780	my $bug_warning = 0;
2570		3781
2571	$TICK_WATCHER = Event->timer (	3782	our @WAIT_FOR_TICK;
2572	reentrant => 0,	3783	our @WAIT_FOR_TICK_BEGIN;
2573	parked => 1,	3784
2574	prio => 0,	3785	sub wait_for_tick {
2575	at => $NEXT_TICK || $TICK,	3786	return if tick_inhibit || $Coro::current == $Coro::main;
2576	data => WF_AUTOCANCEL,	3787
2577	cb => sub {	3788	my $signal = new Coro::Signal;
		3789	push @WAIT_FOR_TICK, $signal;
		3790	$signal->wait;
		3791	}
		3792
		3793	sub wait_for_tick_begin {
		3794	return if tick_inhibit || $Coro::current == $Coro::main;
		3795
		3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK_BEGIN, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub tick {
2578	if ($Coro::current != $Coro::main) {	3802	if ($Coro::current != $Coro::main) {
2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3803	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580	unless ++$bug_warning > 10;	3804	unless ++$bug_warning > 10;
2581	return;	3805	return;
2582	}	3806	}
2583		3807
2584	$NOW = Event::time;
2585
2586	cf::server_tick; # one server iteration	3808	cf::server_tick; # one server iteration
2587	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;
2589		3809
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2592	Coro::async_pool {	3812	Coro::async_pool {
		3813	$Coro::current->{desc} = "runtime saver";
2593	write_runtime	3814	write_runtime_sync
2594	or warn "ERROR: unable to write runtime file: $!";	3815	or warn "ERROR: unable to write runtime file: $!";
2595	};
2596	}	3816	};
2597
2598	$WAIT_FOR_TICK->broadcast;
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601	# my $AFTER = Event::time;
2602	# warn $AFTER - $NOW;#d#
2603
2604	# if we are delayed by four ticks or more, skip them all
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2606
2607	$TICK_WATCHER->at ($NEXT_TICK);
2608	$TICK_WATCHER->start;
2609	},	3817	}
2610	);	3818
		3819	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3820	$sig->send;
		3821	}
		3822	while (my $sig = shift @WAIT_FOR_TICK) {
		3823	$sig->send;
		3824	}
		3825
		3826	$LOAD = ($NOW - $TICK_START) / $TICK;
		3827	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3828
		3829	if (0) {
		3830	if ($NEXT_TICK) {
		3831	my $jitter = $TICK_START - $NEXT_TICK;
		3832	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3833	warn "jitter $JITTER\n";#d#
		3834	}
		3835	}
		3836	}
2611		3837
2612	{	3838	{
2613	BDB::max_poll_time $TICK * 0.1;	3839	# configure BDB
2614	$BDB_POLL_WATCHER = Event->io (	3840
2615	reentrant => 0,
2616	fd => BDB::poll_fileno,
2617	poll => 'r',
2618	prio => 0,
2619	data => WF_AUTOCANCEL,
2620	cb => \&BDB::poll_cb,
2621	);
2622	BDB::min_parallel 8;	3841	BDB::min_parallel 8;
2623		3842	BDB::max_poll_reqs $TICK * 0.1;
2624	BDB::set_sync_prepare {	3843	$AnyEvent::BDB::WATCHER->priority (1);
2625	my $status;
2626	my $current = $Coro::current;
2627	(
2628	sub {
2629	$status = $!;
2630	$current->ready; undef $current;
2631	},
2632	sub {
2633	Coro::schedule while defined $current;
2634	$! = $status;
2635	},
2636	)
2637	};
2638		3844
2639	unless ($DB_ENV) {	3845	unless ($DB_ENV) {
2640	$DB_ENV = BDB::db_env_create;	3846	$DB_ENV = BDB::db_env_create;
		3847	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3848	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3849	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3850	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3851	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2641		3852
2642	cf::sync_job {	3853	cf::sync_job {
2643	eval {	3854	eval {
2644	BDB::db_env_open	3855	BDB::db_env_open
2645	$DB_ENV,	3856	$DB_ENV,
2646	$BDB_ENV_DIR,	3857	$BDBDIR,
2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3858	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3859	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	3860	0666;
2650		3861
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3862	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652
2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654	$DB_ENV->set_lk_detect;
2655	};	3863	};
2656		3864
2657	cf::cleanup "db_env_open(db): $@" if $@;	3865	cf::cleanup "db_env_open(db): $@" if $@;
2658	};	3866	};
2659	}	3867	}
		3868
		3869	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3870	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3871	};
		3872	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3873	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3874	};
		3875	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3876	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3877	};
2660	}	3878	}
2661		3879
2662	{	3880	{
		3881	# configure IO::AIO
		3882
2663	IO::AIO::min_parallel 8;	3883	IO::AIO::min_parallel 8;
2664
2665	undef $Coro::AIO::WATCHER;
2666	IO::AIO::max_poll_time $TICK * 0.1;	3884	IO::AIO::max_poll_time $TICK * 0.1;
2667	$AIO_POLL_WATCHER = Event->io (	3885	undef $AnyEvent::AIO::WATCHER;
2668	reentrant => 0,
2669	data => WF_AUTOCANCEL,
2670	fd => IO::AIO::poll_fileno,
2671	poll => 'r',
2672	prio => 6,
2673	cb => \&IO::AIO::poll_cb,
2674	);
2675	}	3886	}
		3887
		3888	my $_log_backtrace;
		3889
		3890	sub _log_backtrace {
		3891	my ($msg, @addr) = @_;
		3892
		3893	$msg =~ s/\n//;
		3894
		3895	# limit the # of concurrent backtraces
		3896	if ($_log_backtrace < 2) {
		3897	++$_log_backtrace;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $msg\n";
		3919	LOG llevInfo, "[ABT] $_\n" for @bt;
		3920	--$_log_backtrace;
		3921	};
		3922	} else {
		3923	LOG llevInfo, "[ABT] $msg\n";
		3924	LOG llevInfo, "[ABT] [suppressed]\n";
		3925	}
		3926	}
		3927
		3928	# load additional modules
		3929	use cf::pod;
2676		3930
2677	END { cf::emergency_save }	3931	END { cf::emergency_save }
2678		3932
2679	1	3933	1
2680		3934

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