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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 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 Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.61 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		74
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		76
47	our %COMMAND = ();	77	our %COMMAND = ();
48	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
49		79
50	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
54		85
55	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
56	our @EVENT;	87	our @EVENT;
57	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;
58		104
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	107	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	113	our $DB_ENV;
69		114
70	our %CFG;	115	our %CFG;
71		116
72	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
74		120
75	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		124
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $TICK_START; # for load detecting purposes
		132
84	binmode STDOUT;	133	binmode STDOUT;
85	binmode STDERR;	134	binmode STDERR;
86		135
87	# read virtual server time, if available	136	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
92	}	141	}
93		142
94	mkdir cf::localdir;	143	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		145
101	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
102		147
103	sub cf::map::normalise;	148	sub cf::map::normalise;
104		149
…		…
115	=item $cf::RUNTIME	160	=item $cf::RUNTIME
116		161
117	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
118	every server tick.	163	every server tick.
119		164
120	=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
121		168
122	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		173
125	=item $cf::NOW	174	=item $cf::NOW
126		175
127	The time of the last (current) server tick.	176	The time of the last (current) server tick.
128		177
129	=item $cf::TICK	178	=item $cf::TICK
130		179
131	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	192	=item %cf::CFG
134		193
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	195	from wherever your confdir points to.
137		196
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		198
140	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
141	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
142	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.
143		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
144	=back	209	=back
145		210
146	=cut	211	=cut
147		212
148	BEGIN {	213	BEGIN {
149	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	215	my $msg = join "", @_;
151	utf8::encode $msg;
152		216
153	$msg .= "\n"	217	$msg .= "\n"
154	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
155		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
156	LOG llevError, $msg;	222	LOG llevError, $msg;
157	};	223	};
158	}	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#?
159		240
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		248
167	# 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
168	# within the Safe compartment.	250	# within the Safe compartment.
169	for my $pkg (qw(	251	for my $pkg (qw(
170	cf::global cf::attachable	252	cf::global cf::attachable
171	cf::object cf::object::player	253	cf::object cf::object::player
172	cf::client cf::player	254	cf::client cf::player
173	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
174	cf::map cf::party cf::region	257	cf::party cf::region
175	)) {	258	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	260	}
179		261
180	$Event::DIED = sub {	262	$EV::DIED = sub {
181	warn "error in event callback: @_";	263	warn "error in event callback: @_";
182	};	264	};
		265
		266	#############################################################################
183		267
184	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
185		269
186	=over 4	270	=over 4
187		271
…		…
206	$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;
207	$d	291	$d
208	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
209	}	293	}
210		294
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
214		296
215	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
216		298
217	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
218		300
219	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]) }
220		309
221	=item cf::lock_wait $string	310	=item cf::lock_wait $string
222		311
223	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
224		313
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
230	returned.	319	returned.
231		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
232	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
233	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
234		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
235	=cut	331	=cut
236		332
237	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
238		335
239	sub lock_wait($) {	336	sub lock_wait($) {
240	my ($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#
241		343
242	# wait for lock, if any	344	# wait for lock, if any
243	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	347	Coro::schedule;
…		…
251		353
252	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
253	lock_wait $key;	355	lock_wait $key;
254		356
255	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
256		359
257	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
260	}	364	}
261	}	365	}
262		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
263	sub freeze_mainloop {	373	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
265		375
266	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
267	$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($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
268	};	437	}
269	$TICK_WATCHER->stop;	438	};
270	$guard	439
		440	sub get_slot($;$$) {
		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	$sig->wait;
271	}	452	}
272		453
273	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
274		455
275	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		461
281	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
282		463
283	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
284		465
285	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
288		470
289	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
292	fast or be very important.	474	fast or be very important.
…		…
295		477
296	sub sync_job(&) {	478	sub sync_job(&) {
297	my ($job) = @_;	479	my ($job) = @_;
298		480
299	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
300	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
302		486
303	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	488
305	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
306		490
307	my $busy = 1;	491	my $busy = 1;
308	my @res;	492	my @res;
309		493
310	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	496	@res = eval { $job->() };
312	warn $@ if $@;	497	warn $@ if $@;
313	undef $busy;	498	undef $busy;
314	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
315		500
316	while ($busy) {	501	while ($busy) {
317	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
318	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
319		512
320	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
321	} else {	514	} else {
322	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
323		516
…		…
343	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
344		537
345	$coro	538	$coro
346	}	539	}
347		540
348	sub write_runtime {	541	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		542
351	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.
352		547
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
354	or return;
355		549
356	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		552
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
361	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
362		556
363	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	558	reset_signals;
365	and return;	559	&$cb
		560	}, @args;
366		561
367	close $fh	562	wantarray ? @res : $res[-1]
368	or return;	563	}
369		564
370	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
371	and return;
372		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		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($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
373	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		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"
374	}	717	}
375		718
376	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
377		720
378	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.
…		…
390		733
391	#############################################################################	734	#############################################################################
392		735
393	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
394		737
395	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
396	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")
397	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
398		741
399	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>
400	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
401	crossfire+).	744	Deliantra).
402		745
403	=over 4	746	=over 4
404		747
405	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
406		749
…		…
450	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
451		794
452	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
454		797
455	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		800
458	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
459		802
460	=over 4	803	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
570		913
571	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		918
576	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	920	my $pkg = shift @arg;
578		921
579	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
609	}	952	}
610		953
611	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
612	} else {	955	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	957	}
615		958
616	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
617	}	960	}
618		961
…		…
620	if (ref $_[0]) {	963	if (ref $_[0]) {
621	_object_attach @_;	964	_object_attach @_;
622	} else {	965	} else {
623	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
624	}	967	}
		968	_recalc_want;
625	};	969	};
626		970
627	# all those should be optimised	971	# all those should be optimised
628	sub cf::attachable::detach {	972	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
633	reattach ($obj);	977	reattach ($obj);
634	} else {	978	} else {
635	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
636	}	980	}
		981	_recalc_want;
637	};	982	};
638		983
639	sub cf::attachable::attached {	984	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
641		986
…		…
656	";	1001	";
657	die if $@;	1002	die if $@;
658	}	1003	}
659		1004
660	our $override;	1005	our $override;
661	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?
662		1007
663	sub override {	1008	sub override {
664	$override = 1;	1009	$override = 1;
665	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
666	}	1011	}
667		1012
668	sub do_invoke {	1013	sub do_invoke {
669	my $event = shift;	1014	my $event = shift;
670	my $callbacks = shift;	1015	my $callbacks = shift;
671		1016
672	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
673		1018
674	local $override;	1019	local $override;
675		1020
676	for (@$callbacks) {	1021	for (@$callbacks) {
677	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
686	}	1031	}
687		1032
688	0	1033	0
689	}	1034	}
690		1035
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1037
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1039
695	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
696		1041
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1045
701	=back	1046	=back
702		1047
703	=cut	1048	=cut
704		1049
705	#############################################################################	1050	#############################################################################
706	# 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, $ob2
		1093	}
707		1094
708	sub reattach {	1095	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1097	my ($obj) = @_;
711		1098
		1099	# no longer needed after getting rid of delete_package?
712	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
713		1101
714	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
715		1103
716	@$registry = ();	1104	@$registry = ();
717		1105
…		…
732	cf::attachable->attach (	1120	cf::attachable->attach (
733	prio => -1000000,	1121	prio => -1000000,
734	on_instantiate => sub {	1122	on_instantiate => sub {
735	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
736		1124
737	$data = from_json $data;	1125	$data = decode_json $data;
738		1126
739	for (@$data) {	1127	for (@$data) {
740	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
741		1129
742	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1146	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
760		1148
761	sync_job {	1149	sync_job {
762	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
765		1154
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1159	aio_close $fh;
771		1160
772	if (@$objs) {	1161	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1167	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
780	}	1169	}
781	} else {	1170	} else {
782	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
783	}	1172	}
…		…
788	}	1177	}
789	} else {	1178	} else {
790	aio_unlink $filename;	1179	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
792	}	1181	}
793	}	1182	};
794	}	1183	}
795		1184
796	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
798		1187
…		…
810	or return;	1199	or return;
811		1200
812	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
814	or return;	1203	or return;
		1204
815	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
816	}	1207	}
817		1208
		1209	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
820	return ($data, $av);	1213	($data, $av)
821	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
822		1221
823	#############################################################################	1222	#############################################################################
824	# command handling &c	1223	# command handling &c
825		1224
826	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1239	}
841		1240
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1242
844	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.
845		1248
846	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
847	called.	1250	called.
848		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
849	=cut	1263	=cut
850		1264
851	sub register_extcmd {	1265	sub register_extcmd {
852	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
853		1267
854	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
855	}	1275	}
856		1276
857	cf::player->attach (	1277	cf::player->attach (
858	on_command => sub {	1278	on_command => sub {
859	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1288	cf::override;
869	},	1289	},
870	on_extcmd => sub {	1290	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
872		1292
873	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1294
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
881	} else {	1310	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1312	}
884		1313
885	cf::override;	1314	cf::override;
886	},	1315	},
887	);	1316	);
888		1317
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
924	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1323	next unless -r $path;
926	eval {	1324
927	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	$progress = 1;
928	1	1381	}
929	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
930	}	1387	};
931	}	1388	}
932		1389
933	#############################################################################	1390	#############################################################################
934		1391
		1392	=back
		1393
935	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
936		1395
937	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
938		1397
939	=cut	1398	=cut
940		1399
941	package cf::player;	1400	package cf::player;
942		1401
…		…
944		1403
945	=head3 cf::player	1404	=head3 cf::player
946		1405
947	=over 4	1406	=over 4
948		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
949	=item cf::player::find $login	1422	=item cf::player::find $login
950		1423
951	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
952		1425
953	=cut	1426	=cut
954		1427
955	sub playerdir($) {	1428	sub playerdir($) {
956	cf::localdir	1429	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1431	}
962		1432
963	sub path($) {	1433	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
995		1465
996	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
999	}	1475	}
1000	}	1476	}
1001	}	1477	}
1002		1478
…		…
1011	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1012		1488
1013	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1015		1491
		1492	cf::get_slot 0.01;
		1493
1016	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1017	Coro::cede;	1495	cf::cede_to_tick;
1018	}	1496	}
1019		1497
1020	sub new($) {	1498	sub new($) {
1021	my ($login) = @_;	1499	my ($login) = @_;
1022		1500
…		…
1028	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1029		1507
1030	$self	1508	$self
1031	}	1509	}
1032		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
1033	=item $pl->quit_character	1521	=item $pl->quit_character
1034		1522
1035	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1037		1525
…		…
1041	my ($pl) = @_;	1529	my ($pl) = @_;
1042		1530
1043	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1044		1532
1045	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1046	$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
1047		1535
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1052		1542
1053	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1085		1575
1086	=cut	1576	=cut
1087		1577
1088	sub list_logins {	1578	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1580	or return [];
1091		1581
1092	my @logins;	1582	my @logins;
1093		1583
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1098		1594
1099	utf8::decode $login;	1595	utf8::decode $login;
1100	push @logins, $login;	1596	push @logins, $login;
1101	}	1597	}
1102		1598
…		…
1129	}	1625	}
1130		1626
1131	\@paths	1627	\@paths
1132	}	1628	}
1133		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1134	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1135		1635
1136	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1137		1637
1138	=cut	1638	=cut
1139		1639
1140	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1142		1642
1143	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1644	}
1147		1645
1148	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1149		1647
1150	Sends an ext event to the client.	1648	Sends an ext event to the client.
1151		1649
1152	=cut	1650	=cut
1153		1651
1154	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1156		1654
1157	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1158	}	1656	}
1159		1657
1160	=head3 cf::region	1658	=head3 cf::region
1161		1659
1162	=over 4	1660	=over 4
…		…
1165		1663
1166	package cf::region;	1664	package cf::region;
1167		1665
1168	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1169		1667
1170	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1171		1669
1172	=cut	1670	=cut
1173		1671
1174	sub find_by_path($) {	1672	sub find_by_path($) {
1175	my ($path) = @_;	1673	my ($path) = @_;
1176		1674
1177	my ($match, $specificity);	1675	my ($match, $specificity);
1178		1676
1179	for my $region (list) {	1677	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1183	}	1681	}
1184	}	1682	}
1185		1683
…		…
1206	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1208		1706
1209	sub generate_random_map {	1707	sub generate_random_map {
1210	my ($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
1211	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1713	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1250		1751
1251	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1252	local $self->{path};	1753	local $self->{path};
1253	local $self->{load_path};	1754	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1755
1257	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1258	}	1757	}
1259		1758
1260	sub normalise {	1759	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1308	return $self;	1807	return $self;
1309	}	1808	}
1310	}	1809	}
1311		1810
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1812	()
1314	}	1813	}
1315		1814
1316	sub init {	1815	sub init {
1317	my ($self) = @_;	1816	my ($self) = @_;
…		…
1332		1831
1333	# the original (read-only) location	1832	# the original (read-only) location
1334	sub load_path {	1833	sub load_path {
1335	my ($self) = @_;	1834	my ($self) = @_;
1336		1835
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1338	}	1837	}
1339		1838
1340	# the temporary/swap location	1839	# the temporary/swap location
1341	sub save_path {	1840	sub save_path {
1342	my ($self) = @_;	1841	my ($self) = @_;
1343		1842
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1346	}	1845	}
1347		1846
1348	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1349	sub uniq_path {	1848	sub uniq_path {
1350	my ($self) = @_;	1849	my ($self) = @_;
1351		1850
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1354	}	1853	}
1355		1854
1356	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1357	# all maps in C++...	1856	# all maps in C++...
1358	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1360		1859
1361	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1363	}	1862	}
1364		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1365	sub unlink_save {	1872	sub unlink_save {
1366	my ($self) = @_;	1873	my ($self) = @_;
1367		1874
1368	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1879
1373	sub load_header_from($) {	1880	sub load_header_from($) {
1374	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1375		1882
1376	utf8::encode $path;	1883	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1892
1383	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1384		1894
1385	1	1895	1
1386	}	1896	}
…		…
1425	$self->load_header_orig	1935	$self->load_header_orig
1426	or return;	1936	or return;
1427	$self->prepare_orig;	1937	$self->prepare_orig;
1428	}	1938	}
1429		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1430	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1944	unless $self->default_region;
1432		1945
1433	1	1946	1
1434	}	1947	}
…		…
1437	sub find {	1950	sub find {
1438	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1439		1952
1440	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1441		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1443		1957
1444	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1446	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1447	or return;	1963	or return;
1448		1964
1449	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1450		1966
1451	$map->load_header	1967	$map->load_header
1452	or return;	1968	or return;
1453		1969
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1457	$map->reset;	1975	$map->reset;
1458	undef $guard;
1459	return find $path;	1976	return find $path;
1460	}	1977	}
1461		1978
1462	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1463	}	1980	}
…		…
1470	my ($self) = @_;	1987	my ($self) = @_;
1471		1988
1472	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1473		1990
1474	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1476		1995
		1996	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1998
1479	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1480		2000
1481	$self->alloc;	2001	$self->alloc;
1482		2002
1483	$self->pre_load;	2003	$self->pre_load;
1484	Coro::cede;	2004	cf::cede_to_tick;
1485		2005
1486	$self->_load_objects ($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)
1487	or return;	2009	or return;
1488		2010
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1490	if delete $self->{load_original};	2012	if delete $self->{load_original};
1491		2013
1492	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2015	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2018	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1497	}	2022	}
1498	}	2023	}
1499		2024
1500	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1501	# now do the right thing for maps	2028	# now do the right thing for maps
1502	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2031	unless $self->difficulty;
1513	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($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;
1514	$self->activate;	2041	$self->activate;
1515	Coro::cede;	2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2048	}
1517		2049
1518	$self->post_load;	2050	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2051	}
1523		2052
1524	sub customise_for {	2053	sub customise_for {
1525	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1526		2055
1527	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2057	if $self->per_player;
1529		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1530	$self	2062	$self
1531	}	2063	}
1532		2064
1533	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2066	sub load_neighbours {
1535	my ($map) = @_;	2067	my ($map) = @_;
1536		2068
1537	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1538		2070
1539	for (0 .. 3) {	2071	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1541	or next;	2073	or next;
1542	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1543	or next;	2075	or next;
1544	$neigh->load;	2076	$neigh->load;
1545		2077
		2078	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2081	}
1549		2082
1550	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1552	or next;	2086	or next;
1553	$neigh->load;	2087	$neigh->load;
1554	}	2088	}
1555	}	2089	}
1556		2090
…		…
1561	}	2095	}
1562		2096
1563	sub do_load_sync {	2097	sub do_load_sync {
1564	my ($map) = @_;	2098	my ($map) = @_;
1565		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1566	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1567	}	2104	}
1568		2105
1569	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1571		2108
1572	sub find_async {	2109	sub find_async {
1573	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1574		2111
1575	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1576		2113
1577	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2116	}
1580		2117
1581	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1582	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1583	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2125	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2126	$map->load if $v;
		2127	}
1588		2128
1589	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1590	}	2130	}
1591	}	2131	}
1592	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1593	};	2133	};
1594	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2137	}
1598		2138
1599	sub save {	2139	sub save {
1600	my ($self) = @_;	2140	my ($self) = @_;
1601		2141
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2143
1604	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1605		2145
1606	return unless $self->dirty;	2146	return unless $self->dirty;
1607		2147
…		…
1613	return if $self->{deny_save};	2153	return if $self->{deny_save};
1614		2154
1615	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1616		2156
1617	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1619	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1620		2163
1621	if ($uniq) {	2164	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2167	} else {
…		…
1630	my ($self) = @_;	2173	my ($self) = @_;
1631		2174
1632	# save first because save cedes	2175	# save first because save cedes
1633	$self->save;	2176	$self->save;
1634		2177
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2179
1637	return if $self->players;	2180	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2182	return if $self->{deny_save};
1640		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2188	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2189	}
1644		2190
1645	sub reset_at {	2191	sub reset_at {
1646	my ($self) = @_;	2192	my ($self) = @_;
1647		2193
1648	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1651		2196
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2199
…		…
1665	my ($self) = @_;	2210	my ($self) = @_;
1666		2211
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2213
1669	return if $self->players;	2214	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2215
1672	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1673		2217
1674	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1675		2219
1676	# need to save uniques path	2220	# need to save uniques path
1677	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2225	if $uniq;
1682	}	2226	}
1683		2227
1684	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1685		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2232	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2233
1690	$self->unlink_save;	2234	$self->unlink_save;
1691	$self->destroy;	2235	$self->destroy;
1692	}	2236	}
1693		2237
1694	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1695		2239
1696	sub nuke {	2240	sub nuke {
1697	my ($self) = @_;	2241	my ($self) = @_;
1698		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1699	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1700		2247
1701	$self->unlink_save;	2248	$self->unlink_save;
1702		2249
1703	bless $self, "cf::map";	2250	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2255
1709	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1710		2258
1711	$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	]
1712	}	2296	}
1713		2297
1714	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1715		2299
1716	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2301	instantiated unique items. May block.
1718		2302
1719	=cut	2303	=cut
1720		2304
1721	sub unique_maps() {	2305	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1723	or return;	2307	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2308	utf8::decode $_;
1729	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2311	? ()
1732	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2314	]
1734
1735	\@paths
1736	}	2315	}
1737
1738	package cf;
1739		2316
1740	=back	2317	=back
1741		2318
1742	=head3 cf::object	2319	=head3 cf::object
1743		2320
…		…
1747		2324
1748	=over 4	2325	=over 4
1749		2326
1750	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1751		2328
1752	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.
1753		2331
1754	=cut	2332	=cut
1755		2333
1756	sub inv_recursive_;	2334	sub inv_recursive_;
1757	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1760		2338
1761	sub inv_recursive {	2339	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1763	}	2341	}
1764		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
1765	package cf;	2371	package cf;
1766		2372
1767	=back	2373	=back
1768		2374
1769	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1778		2384
1779	=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	};
1780		2400
1781	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2402	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1786		2406
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2408
1789	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1794	}	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 (@_);
1795	}	2434	}
1796		2435
1797	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1798		2437
1799	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1812		2451
1813	=item $player_object->enter_link	2452	=item $player_object->enter_link
1814		2453
1815	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}>).
1816		2455
1817	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.
1818	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.
1819		2460
1820	Will never block.	2461	Will never block.
1821		2462
1822	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1823		2464
…		…
1846	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1847		2488
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2490
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1852		2493
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2495	}
1855		2496
1856	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1858		2501
1859	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1860		2503
1861	unless ($map) {	2504	unless ($map) {
1862	# restore original map position	2505	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1879		2522
1880	$map->load;	2523	$map->load;
1881	$map->load_diag;	2524	$map->load_neighbours;
1882		2525
1883	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2528	$self->activate_recursive;
1885		2529
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1888	}	2532	}
1889		2533
1890	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2535
1894	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1898	};	2540	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2541
1904	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2544
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1925		2548
1926	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1927	my ($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;
1928		2554
1929	$self->enter_link;	2555	$self->enter_link;
1930		2556
1931	(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
1932	my $map = eval {	2579	my $map = eval {
1933	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2595	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1940	})->prio (1);	2603	})->prio (1);
1941	}	2604	}
1942		2605
1943	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1944		2607
…		…
1964	}	2627	}
1965		2628
1966	sub prepare_random_map {	2629	sub prepare_random_map {
1967	my ($exit) = @_;	2630	my ($exit) = @_;
1968		2631
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2634	# that depends on the exit object
1974		2635
1975	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2638	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1982	}	2645	}
1983		2646
1984	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1985		2648
1986	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1989		2652
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2655	undef $fh;
1993	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1994		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1997	}	2664	}
1998	}	2665	}
1999		2666
2000	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2002		2669
2003	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2004		2671
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2672	$self->enter_link;
2017		2673
2018	(async {	2674	(async {
2019	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2022		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
2023	1;	2698	1
2024	}) {	2699	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2704
2030	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2049		2724
2050	utf8::encode $text;	2725	utf8::encode $text;
2051	$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);
2052	}	2727	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2055		2881
2056	Sends an exti event to the client.	2882	Sends an ext event to the client.
2057		2883
2058	=cut	2884	=cut
2059		2885
2060	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2062		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2064	$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	}
2065	}	2913	}
2066		2914
2067	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2068		2916
2069	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		2920
2073	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
2074	reliable at some point in the future.	2922	become reliable at some point in the future.
2075		2923
2076	=cut	2924	=cut
2077		2925
2078	sub cf::client::query {	2926	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2935	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2937
2090	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2092	}	2942	}
2093		2943
2094	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	},
2095	on_reply => sub {	2950	on_reply => sub {
2096	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2097		2952
2098	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2099	# get handled first	2954	# get handled first
…		…
2111	} else {	2966	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2968	}
2114	}	2969	}
2115	},	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	},
2116	);	2997	);
2117		2998
2118	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2119		3000
2120	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2163		3044
2164	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2165		3046
2166	$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	));
2167		3052
2168	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2169		3054
2170	=pod	3055	=pod
2171		3056
2172	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2173		3058
2174	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
2175	cf::object::player player	3063	cf::object::player
2176	cf::player peaceful	3064	player
2177	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2178		3071
2179	=cut	3072	=cut
2180		3073
2181	for (	3074	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2186	) {	3081	) {
2187	no strict 'refs';	3082	no strict 'refs';
…		…
2258	=back	3153	=back
2259		3154
2260	=cut	3155	=cut
2261		3156
2262	#############################################################################	3157	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3158	# the server's init and main functions
2336		3159
2337	sub load_facedata {	3160	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	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;
2339		3168
2340	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2341		3170
2342	my $facedata;	3171	my $facedata;
2343	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2347		3176
2348	$facedata->{version} == 2	3177	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3187	{
2352	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2353		3189
2354	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3197
		3198	cf::cede_to_tick;
2360	}	3199	}
2361		3200
2362	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2364	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2365	or next;	3205	or next;
		3206
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3210	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3212	}
2371	Coro::cede;	3213
		3214	cf::cede_to_tick;
2372	}	3215	}
2373	}	3216	}
2374		3217
2375	{	3218	{
2376	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2377		3220
2378	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3223	cf::cede_to_tick;
2381	}	3224	}
2382		3225
2383	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2384	}	3227	}
2385		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
2386	1	3264	1
2387	}	3265	}
2388		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
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
2389	sub load_archetypes {	3324	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3325	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3326	or die "unable to load archetypes\n";
2392	}	3327	}
2393		3328
2394	sub load_treasures {	3329	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
2396	}	3332	}
2397		3333
2398	sub reload_resources {	3334	sub reload_resources {
2399	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2400		3336
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3337	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3338	reload_archetypes;
2406	or die "unable to load archetypes\n";	3339	reload_regions;
2407	load_treasures	3340	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3341
2410	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2411	}	3343	}
2412		3344
2413	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2414	reload_resources;	3350	reload_resources;
2415	}	3351	}
2416		3352
2417	sub cfg_load {	3353	sub reload_config {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3355	or return;
2420		3356
2421	local $/;	3357	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2423		3359
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3361
2426	$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};
2427	$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};
…		…
2433	};	3369	};
2434	warn $@ if $@;	3370	warn $@ if $@;
2435	}	3371	}
2436	}	3372	}
2437		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
2438	sub main {	3393	sub main {
		3394	atomic;
		3395
2439	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2441	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#
2442	(async {	3399	(async {
2443	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2445	};	3403	};
2446		3404
2447	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2448	db_init;	3408	db_init;
2449	load_extensions;	3409	load_extensions;
2450		3410
2451	$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
2452	Event::loop;	3419	EV::loop;
2453	}	3420	}
2454		3421
2455	#############################################################################	3422	#############################################################################
2456	# initialisation and cleanup	3423	# initialisation and cleanup
2457		3424
2458	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2459	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2468	},
2469	);	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
2470	}	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($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2471	}	3512	}
2472		3513
2473	sub emergency_save() {	3514	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2475		3516
…		…
2481	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2483	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3528	$pl->save;
2487	}	3529	}
2488	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2489		3531
2490	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2496	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2497		3539
2498	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2501	};	3547	};
2502		3548
2503	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2504	}	3550	}
2505		3551
2506	sub post_cleanup {	3552	sub post_cleanup {
2507	my ($make_core) = @_;	3553	my ($make_core) = @_;
2508		3554
2509	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3556	if $make_core;
2511	}
2512		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
		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 $RELOAD; # how many times to reload
		3589
2513	sub reload() {	3590	sub do_reload_perl() {
2514	# can/must only be called in main	3591	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2517	return;	3594	return;
2518	}	3595	}
2519		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2520	warn "reloading...";	3600	warn "reloading...";
2521		3601
2522	warn "entering sync_job";	3602	warn "entering sync_job";
2523		3603
2524	cf::sync_job {	3604	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3606	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2528		3608
2529	warn "syncing database to disk";	3609	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3611
2532	# 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
2533		3613
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3617	}
2570		3618
2571	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2573	}	3621	%EXT_CORO = ();
2574		3622
2575	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2576	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3632	warn "... unloading $pkg";
2580	delete $INC{$k};
2581		3633
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2586	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2587	}	3643	}
2588		3644
2589	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 $k;
2590	}	3660	}
2591		3661
2592	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2594	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);
2595		3665
2596	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2598		3669
2599	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3671	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2602		3673
2603	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2604		3675
2605	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2606	require cf;	3677	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3679
2609	warn "loading config and database again";	3680	warn "loading config and database again";
2610	cf::cfg_load;	3681	cf::reload_config;
2611		3682
2612	warn "loading extensions";	3683	warn "loading extensions";
2613	cf::load_extensions;	3684	cf::load_extensions;
2614		3685
2615	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2621		3692
2622	warn "loading reloadable resources";
2623	reload_resources;
2624
2625	warn "leaving sync_job";	3693	warn "leaving sync_job";
2626		3694
2627	1	3695	1
2628	} or do {	3696	} or do {
2629	warn $@;	3697	warn $@;
2630	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3699	};
		3700
		3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
		3704	};
		3705
		3706	our $RELOAD_WATCHER; # used only during reload
		3707
		3708	sub reload_perl() {
		3709	# doing reload synchronously and two reloads happen back-to-back,
		3710	# coro crashes during coro_state_free->destroy here.
		3711
		3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3713	do_reload_perl;
		3714	undef $RELOAD_WATCHER;
2632	};	3715	};
2633		3716	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3717
2639	register_command "reload" => sub {	3718	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2641		3720
2642	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
2644		3723	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3724	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3725	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3726	};
2657	}	3727	}
2658	};	3728	};
2659		3729
2660	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2661		3731
…		…
2663		3733
2664	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
2666		3736
2667	sub wait_for_tick {	3737	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2670		3739
2671	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3742	$signal->wait;
2674	}	3743	}
2675		3744
2676	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
2679		3747
2680	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3750	$signal->wait;
2683	}	3751	}
2684		3752
2685	$TICK_WATCHER = Event->timer (	3753	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2695	return;	3757	return;
2696	}	3758	}
2697		3759
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2701		3761
2702	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;
2704
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3766	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3768	};
		3769	}
2712		3770
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	3772	$sig->send;
2724	}	3773	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	3775	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	3776	}
2731	);	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	}
2732		3789
2733	{	3790	{
2734	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	3792
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2744		3794	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		3796
2760	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2761	$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);
2762		3804
2763	cf::sync_job {	3805	cf::sync_job {
2764	eval {	3806	eval {
2765	BDB::db_env_open	3807	BDB::db_env_open
2766	$DB_ENV,	3808	$DB_ENV,
2767	$BDB_ENV_DIR,	3809	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3812	0666;
2771		3813
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	3815	};
2777		3816
2778	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	3818	};
2780	}	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	};
2781	}	3830	}
2782		3831
2783	{	3832	{
		3833	# configure IO::AIO
		3834
2784	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	3838	}
		3839
		3840	my $_log_backtrace;
		3841
		3842	sub _log_backtrace {
		3843	my ($msg, @addr) = @_;
		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	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2797		3884
2798	END { cf::emergency_save }	3885	END { cf::emergency_save }
2799		3886
2800	1	3887	1
2801		3888

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