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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
58	our @EVENT;	87	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	88
		89	our $CONFDIR = confdir;
		90	our $DATADIR = datadir;
		91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
60		104
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	107	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	113	our $DB_ENV;
71		114
72	our %CFG;	115	our %CFG;
73		116
74	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
76		120
77	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		124
83	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
86	binmode STDOUT;	133	binmode STDOUT;
87	binmode STDERR;	134	binmode STDERR;
88		135
89	# read virtual server time, if available	136	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
94	}	141	}
95		142
96	mkdir cf::localdir;	143	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		145
103	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
104		147
105	sub cf::map::normalise;	148	sub cf::map::normalise;
106		149
…		…
117	=item $cf::RUNTIME	160	=item $cf::RUNTIME
118		161
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	162	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	163	every server tick.
121		164
122	=item $cf::LIBDIR	165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		168
124	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		171	unique-items directory, player file directory, random maps directory and
		172	database environment.
126		173
127	=item $cf::NOW	174	=item $cf::NOW
128		175
129	The time of the last (current) server tick.	176	The time of the last (current) server tick.
130		177
131	=item $cf::TICK	178	=item $cf::TICK
132		179
133	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
134		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
135	=item %cf::CFG	192	=item %cf::CFG
136		193
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	195	from wherever your confdir points to.
139		196
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		198
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	200	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
146	=back	209	=back
147		210
148	=cut	211	=cut
149		212
150	BEGIN {	213	BEGIN {
…		…
152	my $msg = join "", @_;	215	my $msg = join "", @_;
153		216
154	$msg .= "\n"	217	$msg .= "\n"
155	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
156		219
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		221
159	utf8::encode $msg;
160	LOG llevError, $msg;	222	LOG llevError, $msg;
161	};	223	};
162	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
163		240
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		248
171	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	250	# within the Safe compartment.
173	for my $pkg (qw(	251	for my $pkg (qw(
174	cf::global cf::attachable	252	cf::global cf::attachable
175	cf::object cf::object::player	253	cf::object cf::object::player
176	cf::client cf::player	254	cf::client cf::player
177	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
178	cf::map cf::party cf::region	257	cf::party cf::region
179	)) {	258	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	260	}
183		261
184	$Event::DIED = sub {	262	$EV::DIED = sub {
185	warn "error in event callback: @_";	263	warn "error in event callback: @_";
186	};	264	};
		265
		266	#############################################################################
187		267
188	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
189		269
190	=over 4	270	=over 4
191		271
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	291	$d
212	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
213	}	293	}
214		294
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
218		296
219	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
220		298
221	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
222		300
223	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
224		309
225	=item cf::lock_wait $string	310	=item cf::lock_wait $string
226		311
227	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
228		313
…		…
231	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
234	returned.	319	returned.
235		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
236	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
238		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
239	=cut	331	=cut
240		332
241	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
242		335
243	sub lock_wait($) {	336	sub lock_wait($) {
244	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
245		343
246	# wait for lock, if any	344	# wait for lock, if any
247	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	347	Coro::schedule;
…		…
255		353
256	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
257	lock_wait $key;	355	lock_wait $key;
258		356
259	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
260		359
261	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
264	}	364	}
265	}	365	}
266		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
267	sub freeze_mainloop {	373	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
269		375
270	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
272	};	437	}
273	$TICK_WATCHER->stop;	438	};
274	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
275	}	452	}
276		453
277	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
278		455
279	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		461
285	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
286		463
287	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
288		465
289	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
292		470
293	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
296	fast or be very important.	474	fast or be very important.
…		…
299		477
300	sub sync_job(&) {	478	sub sync_job(&) {
301	my ($job) = @_;	479	my ($job) = @_;
302		480
303	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
304	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
306		486
307	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	488
309	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
310		490
311	my $busy = 1;	491	my $busy = 1;
312	my @res;	492	my @res;
313		493
314	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	496	@res = eval { $job->() };
316	warn $@ if $@;	497	warn $@ if $@;
317	undef $busy;	498	undef $busy;
318	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
319		500
320	while ($busy) {	501	while ($busy) {
321	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
322	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
323		512
324	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
325	} else {	514	} else {
326	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
327		516
…		…
347	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
348		537
349	$coro	538	$coro
350	}	539	}
351		540
352	sub write_runtime {	541	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		542
355	my $runtime = cf::localdir . "/runtime";	543	Executes the given code block with the given arguments in a seperate
		544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
356		547
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
358	or return;
359		549
360	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		552
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
365	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
366		556
367	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	558	reset_signals;
369	and return;	559	&$cb
		560	}, @args;
370		561
371	close $fh	562	wantarray ? @res : $res[-1]
372	or return;	563	}
373		564
374	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
375	and return;
376		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
377	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
378	}	717	}
379		718
380	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
381		720
382	Log a datalog packet of the given type with the given key-value pairs.	721	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		733
395	#############################################################################	734	#############################################################################
396		735
397	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
398		737
399	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
402		741
403	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	744	Deliantra).
406		745
407	=over 4	746	=over 4
408		747
409	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
410		749
…		…
454	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
455		794
456	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
458		797
459	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
461		800
462	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
463		802
464	=over 4	803	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
574		913
575	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		918
580	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	920	my $pkg = shift @arg;
582		921
583	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
613	}	952	}
614		953
615	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
616	} else {	955	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	957	}
619		958
620	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
621	}	960	}
622		961
…		…
624	if (ref $_[0]) {	963	if (ref $_[0]) {
625	_object_attach @_;	964	_object_attach @_;
626	} else {	965	} else {
627	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
628	}	967	}
		968	_recalc_want;
629	};	969	};
630		970
631	# all those should be optimised	971	# all those should be optimised
632	sub cf::attachable::detach {	972	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
637	reattach ($obj);	977	reattach ($obj);
638	} else {	978	} else {
639	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
640	}	980	}
		981	_recalc_want;
641	};	982	};
642		983
643	sub cf::attachable::attached {	984	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
645		986
…		…
660	";	1001	";
661	die if $@;	1002	die if $@;
662	}	1003	}
663		1004
664	our $override;	1005	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1007
667	sub override {	1008	sub override {
668	$override = 1;	1009	$override = 1;
669	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
670	}	1011	}
671		1012
672	sub do_invoke {	1013	sub do_invoke {
673	my $event = shift;	1014	my $event = shift;
674	my $callbacks = shift;	1015	my $callbacks = shift;
675		1016
676	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
677		1018
678	local $override;	1019	local $override;
679		1020
680	for (@$callbacks) {	1021	for (@$callbacks) {
681	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
690	}	1031	}
691		1032
692	0	1033	0
693	}	1034	}
694		1035
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1037
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1039
699	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
700		1041
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1045
705	=back	1046	=back
706		1047
707	=cut	1048	=cut
708		1049
709	#############################################################################	1050	#############################################################################
710	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
711		1094
712	sub reattach {	1095	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1097	my ($obj) = @_;
715		1098
		1099	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1101
718	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
719		1103
720	@$registry = ();	1104	@$registry = ();
721		1105
…		…
736	cf::attachable->attach (	1120	cf::attachable->attach (
737	prio => -1000000,	1121	prio => -1000000,
738	on_instantiate => sub {	1122	on_instantiate => sub {
739	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
740		1124
741	$data = from_json $data;	1125	$data = decode_json $data;
742		1126
743	for (@$data) {	1127	for (@$data) {
744	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
745		1129
746	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1146	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
764		1148
765	sync_job {	1149	sync_job {
766	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
769		1154
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1159	aio_close $fh;
775		1160
776	if (@$objs) {	1161	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1167	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
784	}	1169	}
785	} else {	1170	} else {
786	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
787	}	1172	}
…		…
792	}	1177	}
793	} else {	1178	} else {
794	aio_unlink $filename;	1179	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
796	}	1181	}
797	}	1182	};
798	}	1183	}
799		1184
800	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
802		1187
…		…
814	or return;	1199	or return;
815		1200
816	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
818	or return;	1203	or return;
		1204
819	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
820	}	1207	}
821		1208
		1209	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
824	return ($data, $av);	1213	($data, $av)
825	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
826		1221
827	#############################################################################	1222	#############################################################################
828	# command handling &c	1223	# command handling &c
829		1224
830	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1239	}
845		1240
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1242
848	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
849		1248
850	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
851	called.	1250	called.
852		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
853	=cut	1263	=cut
854		1264
855	sub register_extcmd {	1265	sub register_extcmd {
856	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
857		1267
858	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
859	}	1275	}
860		1276
861	cf::player->attach (	1277	cf::player->attach (
862	on_command => sub {	1278	on_command => sub {
863	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1288	cf::override;
873	},	1289	},
874	on_extcmd => sub {	1290	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
876		1292
877	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1294
879	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
885	} else {	1310	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1312	}
888		1313
889	cf::override;	1314	cf::override;
890	},	1315	},
891	);	1316	);
892		1317
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
928	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1323	next unless -r $path;
930	eval {	1324
931	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
932	1	1381	}
933	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
934	}	1387	};
935	}	1388	}
936		1389
937	#############################################################################	1390	#############################################################################
938		1391
		1392	=back
		1393
939	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
940		1395
941	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
942		1397
943	=cut	1398	=cut
944		1399
945	package cf::player;	1400	package cf::player;
946		1401
…		…
948		1403
949	=head3 cf::player	1404	=head3 cf::player
950		1405
951	=over 4	1406	=over 4
952		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
		1421
953	=item cf::player::find $login	1422	=item cf::player::find $login
954		1423
955	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
956		1425
957	=cut	1426	=cut
958		1427
959	sub playerdir($) {	1428	sub playerdir($) {
960	cf::localdir	1429	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1431	}
966		1432
967	sub path($) {	1433	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
999		1465
1000	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1003	}	1475	}
1004	}	1476	}
1005	}	1477	}
1006		1478
…		…
1015	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1016		1488
1017	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1019		1491
		1492	cf::get_slot 0.01;
		1493
1020	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1021	Coro::cede;	1495	cf::cede_to_tick;
1022	}	1496	}
1023		1497
1024	sub new($) {	1498	sub new($) {
1025	my ($login) = @_;	1499	my ($login) = @_;
1026		1500
…		…
1032	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1033		1507
1034	$self	1508	$self
1035	}	1509	}
1036		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1037	=item $pl->quit_character	1521	=item $pl->quit_character
1038		1522
1039	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1041		1525
…		…
1045	my ($pl) = @_;	1529	my ($pl) = @_;
1046		1530
1047	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1048		1532
1049	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1535
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1056		1542
1057	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1089		1575
1090	=cut	1576	=cut
1091		1577
1092	sub list_logins {	1578	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1580	or return [];
1095		1581
1096	my @logins;	1582	my @logins;
1097		1583
1098	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1102		1594
1103	utf8::decode $login;	1595	utf8::decode $login;
1104	push @logins, $login;	1596	push @logins, $login;
1105	}	1597	}
1106		1598
…		…
1133	}	1625	}
1134		1626
1135	\@paths	1627	\@paths
1136	}	1628	}
1137		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1138	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1139		1635
1140	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1141		1637
1142	=cut	1638	=cut
1143		1639
1144	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1146		1642
1147	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1644	}
1151		1645
1152	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1153		1647
1154	Sends an ext event to the client.	1648	Sends an ext event to the client.
1155		1649
1156	=cut	1650	=cut
1157		1651
1158	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1160		1654
1161	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1162	}	1656	}
1163		1657
1164	=head3 cf::region	1658	=head3 cf::region
1165		1659
1166	=over 4	1660	=over 4
…		…
1169		1663
1170	package cf::region;	1664	package cf::region;
1171		1665
1172	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1173		1667
1174	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1175		1669
1176	=cut	1670	=cut
1177		1671
1178	sub find_by_path($) {	1672	sub find_by_path($) {
1179	my ($path) = @_;	1673	my ($path) = @_;
1180		1674
1181	my ($match, $specificity);	1675	my ($match, $specificity);
1182		1676
1183	for my $region (list) {	1677	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1187	}	1681	}
1188	}	1682	}
1189		1683
…		…
1210	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1212		1706
1213	sub generate_random_map {	1707	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1215	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1713	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1254		1751
1255	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1256	local $self->{path};	1753	local $self->{path};
1257	local $self->{load_path};	1754	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1755
1261	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1262	}	1757	}
1263		1758
1264	sub normalise {	1759	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1312	return $self;	1807	return $self;
1313	}	1808	}
1314	}	1809	}
1315		1810
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1812	()
1318	}	1813	}
1319		1814
1320	sub init {	1815	sub init {
1321	my ($self) = @_;	1816	my ($self) = @_;
…		…
1336		1831
1337	# the original (read-only) location	1832	# the original (read-only) location
1338	sub load_path {	1833	sub load_path {
1339	my ($self) = @_;	1834	my ($self) = @_;
1340		1835
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1342	}	1837	}
1343		1838
1344	# the temporary/swap location	1839	# the temporary/swap location
1345	sub save_path {	1840	sub save_path {
1346	my ($self) = @_;	1841	my ($self) = @_;
1347		1842
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1350	}	1845	}
1351		1846
1352	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1353	sub uniq_path {	1848	sub uniq_path {
1354	my ($self) = @_;	1849	my ($self) = @_;
1355		1850
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1358	}	1853	}
1359		1854
1360	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1361	# all maps in C++...	1856	# all maps in C++...
1362	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1364		1859
1365	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1367	}	1862	}
1368		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1369	sub unlink_save {	1872	sub unlink_save {
1370	my ($self) = @_;	1873	my ($self) = @_;
1371		1874
1372	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1879
1377	sub load_header_from($) {	1880	sub load_header_from($) {
1378	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1379		1882
1380	utf8::encode $path;	1883	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1386		1892
1387	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1388		1894
1389	1	1895	1
1390	}	1896	}
…		…
1429	$self->load_header_orig	1935	$self->load_header_orig
1430	or return;	1936	or return;
1431	$self->prepare_orig;	1937	$self->prepare_orig;
1432	}	1938	}
1433		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1434	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1944	unless $self->default_region;
1436		1945
1437	1	1946	1
1438	}	1947	}
…		…
1441	sub find {	1950	sub find {
1442	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1443		1952
1444	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1445		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1447		1957
1448	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1449	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1450	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1451	or return;	1963	or return;
1452		1964
1453	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1454		1966
1455	$map->load_header	1967	$map->load_header
1456	or return;	1968	or return;
1457		1969
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1461	$map->reset;	1975	$map->reset;
1462	undef $guard;
1463	return find $path;	1976	return find $path;
1464	}	1977	}
1465		1978
1466	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1467	}	1980	}
…		…
1474	my ($self) = @_;	1987	my ($self) = @_;
1475		1988
1476	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1477		1990
1478	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1480		1995
		1996	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		1998
1483	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1484		2000
1485	$self->alloc;	2001	$self->alloc;
1486		2002
1487	$self->pre_load;	2003	$self->pre_load;
1488	Coro::cede;	2004	cf::cede_to_tick;
1489		2005
1490	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1491	or return;	2009	or return;
1492		2010
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1494	if delete $self->{load_original};	2012	if delete $self->{load_original};
1495		2013
1496	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2015	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2018	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1501	}	2022	}
1502	}	2023	}
1503		2024
1504	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1505	# now do the right thing for maps	2028	# now do the right thing for maps
1506	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2031	unless $self->difficulty;
1517	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1518	$self->activate;	2041	$self->activate;
1519	Coro::cede;	2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2048	}
1521		2049
1522	$self->post_load;	2050	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2051	}
1527		2052
1528	sub customise_for {	2053	sub customise_for {
1529	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1530		2055
1531	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2057	if $self->per_player;
1533		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1534	$self	2062	$self
1535	}	2063	}
1536		2064
1537	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2066	sub load_neighbours {
1539	my ($map) = @_;	2067	my ($map) = @_;
1540		2068
1541	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1542		2070
1543	for (0 .. 3) {	2071	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1545	or next;	2073	or next;
1546	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1547	or next;	2075	or next;
1548	$neigh->load;	2076	$neigh->load;
1549		2077
		2078	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2081	}
1553		2082
1554	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1556	or next;	2086	or next;
1557	$neigh->load;	2087	$neigh->load;
1558	}	2088	}
1559	}	2089	}
1560		2090
…		…
1565	}	2095	}
1566		2096
1567	sub do_load_sync {	2097	sub do_load_sync {
1568	my ($map) = @_;	2098	my ($map) = @_;
1569		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1570	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1571	}	2104	}
1572		2105
1573	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1575		2108
1576	sub find_async {	2109	sub find_async {
1577	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1578		2111
1579	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1580		2113
1581	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2116	}
1584		2117
1585	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1586	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1587	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2125	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2126	$map->load if $v;
		2127	}
1592		2128
1593	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1594	}	2130	}
1595	}	2131	}
1596	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1597	};	2133	};
1598	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2137	}
1602		2138
1603	sub save {	2139	sub save {
1604	my ($self) = @_;	2140	my ($self) = @_;
1605		2141
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2143
1608	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1609		2145
1610	return unless $self->dirty;	2146	return unless $self->dirty;
1611		2147
…		…
1617	return if $self->{deny_save};	2153	return if $self->{deny_save};
1618		2154
1619	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1620		2156
1621	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1623	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1624		2163
1625	if ($uniq) {	2164	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2167	} else {
…		…
1634	my ($self) = @_;	2173	my ($self) = @_;
1635		2174
1636	# save first because save cedes	2175	# save first because save cedes
1637	$self->save;	2176	$self->save;
1638		2177
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2179
1641	return if $self->players;	2180	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2182	return if $self->{deny_save};
1644		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2188	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2189	}
1648		2190
1649	sub reset_at {	2191	sub reset_at {
1650	my ($self) = @_;	2192	my ($self) = @_;
1651		2193
1652	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1655		2196
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2199
…		…
1669	my ($self) = @_;	2210	my ($self) = @_;
1670		2211
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2213
1673	return if $self->players;	2214	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2215
1676	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1677		2217
1678	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1679		2219
1680	# need to save uniques path	2220	# need to save uniques path
1681	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2225	if $uniq;
1686	}	2226	}
1687		2227
1688	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1689		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2232	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2233
1694	$self->unlink_save;	2234	$self->unlink_save;
1695	$self->destroy;	2235	$self->destroy;
1696	}	2236	}
1697		2237
1698	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1699		2239
1700	sub nuke {	2240	sub nuke {
1701	my ($self) = @_;	2241	my ($self) = @_;
1702		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1703	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1704		2247
1705	$self->unlink_save;	2248	$self->unlink_save;
1706		2249
1707	bless $self, "cf::map";	2250	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2255
1713	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1714		2258
1715	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1716	}	2296	}
1717		2297
1718	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1719		2299
1720	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2301	instantiated unique items. May block.
1722		2302
1723	=cut	2303	=cut
1724		2304
1725	sub unique_maps() {	2305	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1727	or return;	2307	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2308	utf8::decode $_;
1733	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2311	? ()
1736	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2314	]
1738
1739	\@paths
1740	}	2315	}
1741
1742	package cf;
1743		2316
1744	=back	2317	=back
1745		2318
1746	=head3 cf::object	2319	=head3 cf::object
1747		2320
…		…
1751		2324
1752	=over 4	2325	=over 4
1753		2326
1754	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1755		2328
1756	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1757		2331
1758	=cut	2332	=cut
1759		2333
1760	sub inv_recursive_;	2334	sub inv_recursive_;
1761	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1764		2338
1765	sub inv_recursive {	2339	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1767	}	2341	}
1768		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1769	package cf;	2371	package cf;
1770		2372
1771	=back	2373	=back
1772		2374
1773	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1782		2384
1783	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1784		2400
1785	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2402	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1790		2406
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2408
1793	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1795	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1798	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1799	}	2434	}
1800		2435
1801	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1802		2437
1803	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1816		2451
1817	=item $player_object->enter_link	2452	=item $player_object->enter_link
1818		2453
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2455
1821	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1823		2460
1824	Will never block.	2461	Will never block.
1825		2462
1826	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1827		2464
…		…
1850	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1851		2488
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2490
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1856		2493
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2495	}
1859		2496
1860	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1862		2501
1863	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1864		2503
1865	unless ($map) {	2504	unless ($map) {
1866	# restore original map position	2505	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1883		2522
1884	$map->load;	2523	$map->load;
1885	$map->load_diag;	2524	$map->load_neighbours;
1886		2525
1887	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1888	$self->activate_recursive;	2528	$self->activate_recursive;
1889		2529
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1892	}	2532	}
1893		2533
1894	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2535
1898	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1902	};	2540	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2541
1908	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1909	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2544
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1929		2548
1930	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2554
1933	$self->enter_link;	2555	$self->enter_link;
1934		2556
1935	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1936	my $map = eval {	2579	my $map = eval {
1937	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1939	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2595	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1944	})->prio (1);	2603	})->prio (1);
1945	}	2604	}
1946		2605
1947	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1948		2607
…		…
1968	}	2627	}
1969		2628
1970	sub prepare_random_map {	2629	sub prepare_random_map {
1971	my ($exit) = @_;	2630	my ($exit) = @_;
1972		2631
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2634	# that depends on the exit object
1978		2635
1979	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2638	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1986	}	2645	}
1987		2646
1988	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1989		2648
1990	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1993		2652
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2655	undef $fh;
1997	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1998		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2001	}	2664	}
2002	}	2665	}
2003		2666
2004	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2006		2669
2007	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2008		2671
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2672	$self->enter_link;
2021		2673
2022	(async {	2674	(async {
2023	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2024	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2025	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2026		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2027	1;	2698	1
2028	}) {	2699	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2704
2034	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2053		2724
2054	utf8::encode $text;	2725	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2727	}
2057		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
2058	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2059		2881
2060	Sends an exti event to the client.	2882	Sends an ext event to the client.
2061		2883
2062	=cut	2884	=cut
2063		2885
2064	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2066		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
2069	}	2913	}
2070		2914
2071	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2072		2916
2073	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2920
2077	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2922	become reliable at some point in the future.
2079		2923
2080	=cut	2924	=cut
2081		2925
2082	sub cf::client::query {	2926	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2935	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2937
2094	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2096	}	2942	}
2097		2943
2098	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2099	on_reply => sub {	2950	on_reply => sub {
2100	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2101		2952
2102	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2103	# get handled first	2954	# get handled first
…		…
2115	} else {	2966	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2968	}
2118	}	2969	}
2119	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2120	);	2997	);
2121		2998
2122	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2123		3000
2124	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2167		3044
2168	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2169		3046
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2171		3052
2172	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2173		3054
2174	=pod	3055	=pod
2175		3056
2176	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2177		3058
2178	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2179	cf::object::player player	3063	cf::object::player
2180	cf::player peaceful	3064	player
2181	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2182		3071
2183	=cut	3072	=cut
2184		3073
2185	for (	3074	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2187	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2190	) {	3081	) {
2191	no strict 'refs';	3082	no strict 'refs';
…		…
2262	=back	3153	=back
2263		3154
2264	=cut	3155	=cut
2265		3156
2266	#############################################################################	3157	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	3158	# the server's init and main functions
2436		3159
2437	sub load_facedata($) {	3160	sub load_facedata($) {
2438	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3168
2440	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2441		3170
2442	my $facedata;	3171	my $facedata;
2443	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2447		3176
2448	$facedata->{version} == 2	3177	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2451	{	3187	{
2452	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2453		3189
2454	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459	Coro::cede;	3197
		3198	cf::cede_to_tick;
2460	}	3199	}
2461		3200
2462	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2464	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2465	or next;	3205	or next;
		3206
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3210	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3212	}
2471	Coro::cede;	3213
		3214	cf::cede_to_tick;
2472	}	3215	}
2473	}	3216	}
2474		3217
2475	{	3218	{
2476	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2477		3220
2478	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3223	cf::cede_to_tick;
2481	}	3224	}
2482		3225
2483	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2484	}	3227	}
2485		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2486	1	3264	1
2487	}	3265	}
2488		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
		3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
2489	sub reload_facedata {	3319	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3320	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
2492	}	3322	}
2493		3323
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3324	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3325	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
2502	}	3327	}
2503		3328
2504	sub reload_treasures {	3329	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3330	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
2507	}	3332	}
2508		3333
2509	sub reload_resources {	3334	sub reload_resources {
2510	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2511		3336
2512	reload_regions;
2513	reload_facedata;	3337	reload_facedata;
2514	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2515	reload_treasures;	3340	reload_treasures;
2516		3341
2517	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2518	}	3343	}
2519		3344
2520	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2521	reload_resources;	3350	reload_resources;
2522	}	3351	}
2523		3352
2524	sub cfg_load {	3353	sub reload_config {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3355	or return;
2527		3356
2528	local $/;	3357	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2530		3359
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2532		3361
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2540	};	3369	};
2541	warn $@ if $@;	3370	warn $@ if $@;
2542	}	3371	}
2543	}	3372	}
2544		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2545	sub main {	3393	sub main {
		3394	atomic;
		3395
2546	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3399	(async {
2550	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2552	};	3403	};
2553		3404
2554	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2555	db_init;	3408	db_init;
2556	load_extensions;	3409	load_extensions;
2557		3410
2558	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2559	Event::loop;	3419	EV::loop;
2560	}	3420	}
2561		3421
2562	#############################################################################	3422	#############################################################################
2563	# initialisation and cleanup	3423	# initialisation and cleanup
2564		3424
2565	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2566	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2575	},
2576	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2577	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2578	}	3512	}
2579		3513
2580	sub emergency_save() {	3514	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2582		3516
…		…
2588	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2590	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3528	$pl->save;
2594	}	3529	}
2595	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2596		3531
2597	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2603	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2604		3539
2605	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2608	};	3547	};
2609		3548
2610	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2611	}	3550	}
2612		3551
2613	sub post_cleanup {	3552	sub post_cleanup {
2614	my ($make_core) = @_;	3553	my ($make_core) = @_;
2615		3554
2616	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
2618	}	3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
2619		3589
2620	sub do_reload_perl() {	3590	sub do_reload_perl() {
2621	# can/must only be called in main	3591	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2623	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2624	return;	3594	return;
2625	}	3595	}
2626		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2627	warn "reloading...";	3600	warn "reloading...";
2628		3601
2629	warn "entering sync_job";	3602	warn "entering sync_job";
2630		3603
2631	cf::sync_job {	3604	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2633	cf::emergency_save;	3606	cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2635		3608
2636	warn "syncing database to disk";	3609	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3611
2639	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2640		3613
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2647	for (;;) {
2648	BDB::flush;
2649	IO::AIO::flush;
2650	Coro::cede;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2652	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2653	}
2654
2655	++$RELOAD;
2656
2657	warn "cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();
2660
2661	warn "removing commands";
2662	%COMMAND = ();
2663
2664	warn "removing ext commands";
2665	%EXTCMD = ();
2666
2667	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";
2670
2671	if (my $cb = $pkg->can ("unload")) {
2672	eval {
2673	$cb->($pkg);
2674	1
2675	} or warn "$pkg unloaded, but with errors: $@";
2676	}	3617	}
2677		3618
2678	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2679	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2680	}	3621	%EXT_CORO = ();
2681		3622
2682	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2683	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2686	warn "... unloading $k";	3632	warn "... unloading $pkg";
2687	delete $INC{$k};
2688		3633
2689	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;
2691
2692	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2693	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2694	}	3643	}
2695		3644
2696	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2697	}	3660	}
2698		3661
2699	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3665
2703	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2705		3669
2706	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3671	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2709		3673
2710	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2711		3675
2712	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2713	require cf;	3677	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715		3679
2716	warn "loading config and database again";	3680	warn "loading config and database again";
2717	cf::cfg_load;	3681	cf::reload_config;
2718		3682
2719	warn "loading extensions";	3683	warn "loading extensions";
2720	cf::load_extensions;	3684	cf::load_extensions;
2721		3685
2722	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2728		3692
2729	warn "leaving sync_job";	3693	warn "leaving sync_job";
2730		3694
2731	1	3695	1
2732	} or do {	3696	} or do {
2733	warn $@;	3697	warn $@;
2734	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2735	exit 1;
2736	};	3699	};
2737		3700
2738	warn "reloaded";	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
2739	};	3704	};
2740		3705
2741	our $RELOAD_WATCHER; # used only during reload	3706	our $RELOAD_WATCHER; # used only during reload
2742		3707
2743	sub reload_perl() {	3708	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3709	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3710	# coro crashes during coro_state_free->destroy here.
2746		3711
2747	$RELOAD_WATCHER ||= Event->timer (	3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2748	reentrant => 0,
2749	after => 0,
2750	data => WF_AUTOCANCEL,
2751	cb => sub {
2752	do_reload_perl;	3713	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3714	undef $RELOAD_WATCHER;
2754	},
2755	);	3715	};
2756	}	3716	}
2757		3717
2758	register_command "reload" => sub {	3718	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2760		3720
2761	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
		3723	async {
		3724	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3725	reload_perl;
		3726	};
2764	}	3727	}
2765	};	3728	};
2766		3729
2767	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2768		3731
…		…
2770		3733
2771	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
2773		3736
2774	sub wait_for_tick {	3737	sub wait_for_tick {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2777		3739
2778	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	3742	$signal->wait;
2781	}	3743	}
2782		3744
2783	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
2786		3747
2787	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3750	$signal->wait;
2790	}	3751	}
2791		3752
2792	$TICK_WATCHER = Event->timer (	3753	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2802	return;	3757	return;
2803	}	3758	}
2804		3759
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2808		3761
2809	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;
2811
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3766	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	3768	};
		3769	}
2819		3770
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	3772	$sig->send;
2831	}	3773	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	3775	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	3776	}
2838	);	3777
		3778	$LOAD = ($NOW - $TICK_START) / $TICK;
		3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3780
		3781	if (0) {
		3782	if ($NEXT_TICK) {
		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
		3787	}
		3788	}
2839		3789
2840	{	3790	{
2841	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	3792
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2851		3794	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		3796
2867	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		3804
2870	cf::sync_job {	3805	cf::sync_job {
2871	eval {	3806	eval {
2872	BDB::db_env_open	3807	BDB::db_env_open
2873	$DB_ENV,	3808	$DB_ENV,
2874	$BDB_ENV_DIR,	3809	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3812	0666;
2878		3813
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	3815	};
2884		3816
2885	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	3818	};
2887	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
2888	}	3830	}
2889		3831
2890	{	3832	{
		3833	# configure IO::AIO
		3834
2891	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	3838	}
2897	data => WF_AUTOCANCEL,	3839
2898	fd => IO::AIO::poll_fileno,	3840	my $_log_backtrace;
2899	poll => 'r',	3841
2900	prio => 6,	3842	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	3843	my ($msg, @addr) = @_;
2902	);	3844
		3845	$msg =~ s/\n//;
		3846
		3847	# limit the # of concurrent backtraces
		3848	if ($_log_backtrace < 2) {
		3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
		3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
		3854	my @bt = fork_call {
		3855	@addr = map { sprintf "%x", $_ } @addr;
		3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3858	or die "addr2line: $!";
		3859
		3860	my @funcs;
		3861	my @res = <$fh>;
		3862	chomp for @res;
		3863	while (@res) {
		3864	my ($func, $line) = splice @res, 0, 2, ();
		3865	push @funcs, "[$func] $line";
		3866	}
		3867
		3868	@funcs
		3869	};
		3870
		3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
2903	}	3880	}
2904		3881
2905	# load additional modules	3882	# load additional modules
2906	use cf::pod;	3883	use cf::pod;
2907		3884

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