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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.184 by root, Fri Jan 19 22:47:57 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;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.4 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		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";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	107	our $NEXT_TICK;
52	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
53		114
54	our %CFG;	115	our %CFG;
55		116
56	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
58		120
59	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		124
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $TICK_START; # for load detecting purposes
		132
70	binmode STDOUT;	133	binmode STDOUT;
71	binmode STDERR;	134	binmode STDERR;
72		135
73	# read virtual server time, if available	136	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
78	}	141	}
79		142
80	mkdir cf::localdir;	143	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		145
86	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
		147
		148	sub cf::map::normalise;
87		149
88	#############################################################################	150	#############################################################################
89		151
90	=head2 GLOBAL VARIABLES	152	=head2 GLOBAL VARIABLES
91		153
…		…
98	=item $cf::RUNTIME	160	=item $cf::RUNTIME
99		161
100	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
101	every server tick.	163	every server tick.
102		164
103	=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
104		168
105	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		173
108	=item $cf::NOW	174	=item $cf::NOW
109		175
110	The time of the last (current) server tick.	176	The time of the last (current) server tick.
111		177
112	=item $cf::TICK	178	=item $cf::TICK
113		179
114	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	192	=item %cf::CFG
117		193
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	195	from wherever your confdir points to.
120		196
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		198
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	200	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	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.
127		208
128	=back	209	=back
129		210
130	=cut	211	=cut
131		212
132	BEGIN {	213	BEGIN {
133	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	215	my $msg = join "", @_;
135	utf8::encode $msg;
136		216
137	$msg .= "\n"	217	$msg .= "\n"
138	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
139		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
140	LOG llevError, $msg;	222	LOG llevError, $msg;
141	};	223	};
142	}	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#?
143		240
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		248
151	# 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
152	# within the Safe compartment.	250	# within the Safe compartment.
153	for my $pkg (qw(	251	for my $pkg (qw(
154	cf::global cf::attachable	252	cf::global cf::attachable
155	cf::object cf::object::player	253	cf::object cf::object::player
156	cf::client cf::player	254	cf::client cf::player
157	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
158	cf::map cf::party cf::region	257	cf::party cf::region
159	)) {	258	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	260	}
163		261
164	$Event::DIED = sub {	262	$EV::DIED = sub {
165	warn "error in event callback: @_";	263	warn "error in event callback: @_";
166	};	264	};
		265
		266	#############################################################################
167		267
168	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
169		269
170	=over 4	270	=over 4
171		271
…		…
190	$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;
191	$d	291	$d
192	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
193	}	293	}
194		294
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
198		296
199	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
200		298
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
209		300
210	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
211		302
212	=cut	303	=cut
213		304
214	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
216	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
218		309
219	=item cf::lock_wait $string	310	=item cf::lock_wait $string
220		311
221	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
222		313
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
228	returned.	319	returned.
229		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
230	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
231	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
232		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
233	=cut	331	=cut
234		332
235	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
236		335
237	sub lock_wait($) {	336	sub lock_wait($) {
238	my ($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#
239		343
240	# wait for lock, if any	344	# wait for lock, if any
241	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	347	Coro::schedule;
…		…
249		353
250	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
251	lock_wait $key;	355	lock_wait $key;
252		356
253	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
254		359
255	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
258	}	364	}
259	}	365	}
260		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
261	sub freeze_mainloop {	373	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
263		375
264	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	377	}
266	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
267	};	437	}
268	$WRITE_RUNTIME_WATCHER->stop;	438	};
269	$TICK_WATCHER->stop;	439
270	$guard	440	sub get_slot($;$$) {
		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 $runtime = cf::localdir . "/runtime";
350		542
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	543	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		547
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	548	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		549
358	aio_fsync $fh	550	sub fork_call(&@) {
359	and return;	551	my ($cb, @args) = @_;
360		552
361	close $fh	553	# we seemingly have to make a local copy of the whole thing,
362	or return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
363		556
364	aio_rename "$runtime~", $runtime	557	my @res = Coro::Util::fork_eval {
365	and return;	558	reset_signals;
		559	&$cb
		560	}, @args;
366		561
		562	wantarray ? @res : $res[-1]
		563	}
		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		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($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
367	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		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"
		717	}
		718
		719	=item cf::datalog type => key => value, ...
		720
		721	Log a datalog packet of the given type with the given key-value pairs.
		722
		723	=cut
		724
		725	sub datalog($@) {
		726	my ($type, %kv) = @_;
		727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	728	}
369		729
370	=back	730	=back
371		731
372	=cut	732	=cut
373		733
374	#############################################################################	734	#############################################################################
375		735
376	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
377		737
378	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
379	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")
380	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
381		741
382	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>
383	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
384	crossfire+).	744	Deliantra).
385		745
386	=over 4	746	=over 4
387		747
388	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
389		749
…		…
433	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
434		794
435	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
437		797
438	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		800
441	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
442		802
443	=over 4	803	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
553		913
554	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		918
559	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	920	my $pkg = shift @arg;
561		921
562	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
592	}	952	}
593		953
594	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
595	} else {	955	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	957	}
598		958
599	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
600	}	960	}
601		961
…		…
603	if (ref $_[0]) {	963	if (ref $_[0]) {
604	_object_attach @_;	964	_object_attach @_;
605	} else {	965	} else {
606	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
607	}	967	}
		968	_recalc_want;
608	};	969	};
609		970
610	# all those should be optimised	971	# all those should be optimised
611	sub cf::attachable::detach {	972	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
616	reattach ($obj);	977	reattach ($obj);
617	} else {	978	} else {
618	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
619	}	980	}
		981	_recalc_want;
620	};	982	};
621		983
622	sub cf::attachable::attached {	984	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
624		986
…		…
639	";	1001	";
640	die if $@;	1002	die if $@;
641	}	1003	}
642		1004
643	our $override;	1005	our $override;
644	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?
645		1007
646	sub override {	1008	sub override {
647	$override = 1;	1009	$override = 1;
648	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
649	}	1011	}
650		1012
651	sub do_invoke {	1013	sub do_invoke {
652	my $event = shift;	1014	my $event = shift;
653	my $callbacks = shift;	1015	my $callbacks = shift;
654		1016
655	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
656		1018
657	local $override;	1019	local $override;
658		1020
659	for (@$callbacks) {	1021	for (@$callbacks) {
660	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
669	}	1031	}
670		1032
671	0	1033	0
672	}	1034	}
673		1035
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1037
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1039
678	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
679		1041
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1045
684	=back	1046	=back
685		1047
686	=cut	1048	=cut
687		1049
688	#############################################################################	1050	#############################################################################
689	# 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, $ob2
		1093	}
690		1094
691	sub reattach {	1095	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1097	my ($obj) = @_;
694		1098
		1099	# no longer needed after getting rid of delete_package?
695	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
696		1101
697	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
698		1103
699	@$registry = ();	1104	@$registry = ();
700		1105
…		…
715	cf::attachable->attach (	1120	cf::attachable->attach (
716	prio => -1000000,	1121	prio => -1000000,
717	on_instantiate => sub {	1122	on_instantiate => sub {
718	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
719		1124
720	$data = from_json $data;	1125	$data = decode_json $data;
721		1126
722	for (@$data) {	1127	for (@$data) {
723	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
724		1129
725	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1146	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
743		1148
744	sync_job {	1149	sync_job {
745	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
748		1154
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1158	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1159	aio_close $fh;
754		1160
755	if (@$objs) {	1161	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1166	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1167	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
763	}	1169	}
764	} else {	1170	} else {
765	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
766	}	1172	}
…		…
771	}	1177	}
772	} else {	1178	} else {
773	aio_unlink $filename;	1179	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
775	}	1181	}
776	}	1182	};
777	}	1183	}
778		1184
779	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
781		1187
…		…
793	or return;	1199	or return;
794		1200
795	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
797	or return;	1203	or return;
		1204
798	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
799	}	1207	}
800		1208
		1209	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
803	return ($data, $av);	1213	($data, $av)
804	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
805		1221
806	#############################################################################	1222	#############################################################################
807	# command handling &c	1223	# command handling &c
808		1224
809	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1239	}
824		1240
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1242
827	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.
828		1248
829	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
830	called.	1250	called.
831		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
832	=cut	1263	=cut
833		1264
834	sub register_extcmd {	1265	sub register_extcmd {
835	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
836		1267
837	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
838	}	1275	}
839		1276
840	cf::player->attach (	1277	cf::player->attach (
841	on_command => sub {	1278	on_command => sub {
842	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1288	cf::override;
852	},	1289	},
853	on_extcmd => sub {	1290	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
855		1292
856	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1294
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
864	} else {	1310	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1312	}
867		1313
868	cf::override;	1314	cf::override;
869	},	1315	},
870	);	1316	);
871		1317
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
907	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1323	next unless -r $path;
909	eval {	1324
910	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	$progress = 1;
911	1	1381	}
912	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
913	}	1387	};
914	}	1388	}
915		1389
916	#############################################################################	1390	#############################################################################
917		1391
		1392	=back
		1393
918	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
919		1395
920	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
921		1397
922	=cut	1398	=cut
923		1399
924	package cf::player;	1400	package cf::player;
925		1401
…		…
927		1403
928	=head3 cf::player	1404	=head3 cf::player
929		1405
930	=over 4	1406	=over 4
931		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
932	=item cf::player::find $login	1422	=item cf::player::find $login
933		1423
934	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
935		1425
936	=cut	1426	=cut
937		1427
938	sub playerdir($) {	1428	sub playerdir($) {
939	cf::localdir	1429	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1431	}
945		1432
946	sub path($) {	1433	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1435
949	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
950	}	1437	}
951		1438
952	sub find_active($) {	1439	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1454	my $login = $_[0];
968		1455
969	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
970		1457
971	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1459	# rename old playerfiles to new ones
		1460	#TODO: remove when no longer required
		1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1464	aio_unlink +(playerdir $login) . "/$login.pl";
		1465
		1466	my $f = new_from_file cf::object::thawer path $login
973	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;
974	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
975	}	1475	}
976	}	1476	}
977	}	1477	}
978		1478
…		…
987	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
988		1488
989	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
991		1491
		1492	cf::get_slot 0.01;
		1493
992	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
993	Coro::cede;	1495	cf::cede_to_tick;
994	}	1496	}
995		1497
996	sub new($) {	1498	sub new($) {
997	my ($login) = @_;	1499	my ($login) = @_;
998		1500
…		…
1004	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1005		1507
1006	$self	1508	$self
1007	}	1509	}
1008		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
1009	=item $pl->quit_character	1521	=item $pl->quit_character
1010		1522
1011	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1013		1525
1014	=cut	1526	=cut
1015		1527
1016	sub quit_character {	1528	sub quit_character {
1017	my ($pl) = @_;	1529	my ($pl) = @_;
1018		1530
		1531	my $name = $pl->ob->name;
		1532
1019	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1020	$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
1021		1535
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1026		1542
1027	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1545	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1546	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1547	$pl->destroy;
		1548
		1549	my $prefix = qr<^~\Q$name\E/>;
		1550
		1551	# nuke player maps
		1552	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1553
1032	IO::AIO::aio_rmtree $temp;	1554	IO::AIO::aio_rmtree $temp;
		1555	}
		1556
		1557	=item $pl->kick
		1558
		1559	Kicks a player out of the game. This destroys the connection.
		1560
		1561	=cut
		1562
		1563	sub kick {
		1564	my ($pl, $kicker) = @_;
		1565
		1566	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1567	$pl->killer ("kicked");
		1568	$pl->ns->destroy;
1033	}	1569	}
1034		1570
1035	=item cf::player::list_logins	1571	=item cf::player::list_logins
1036		1572
1037	Returns am arrayref of all valid playernames in the system, can take a	1573	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1039		1575
1040	=cut	1576	=cut
1041		1577
1042	sub list_logins {	1578	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1580	or return [];
1045		1581
1046	my @logins;	1582	my @logins;
1047		1583
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1052		1594
1053	utf8::decode $login;	1595	utf8::decode $login;
1054	push @logins, $login;	1596	push @logins, $login;
1055	}	1597	}
1056		1598
…		…
1064		1606
1065	=cut	1607	=cut
1066		1608
1067	sub maps($) {	1609	sub maps($) {
1068	my ($pl) = @_;	1610	my ($pl) = @_;
		1611
		1612	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1613
1070	my $files = aio_readdir playerdir $pl	1614	my $files = aio_readdir playerdir $pl
1071	or return;	1615	or return;
1072		1616
1073	my @paths;	1617	my @paths;
…		…
1075	for (@$files) {	1619	for (@$files) {
1076	utf8::decode $_;	1620	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1621	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1622	next unless /^$PATH_SEP/o;
1079		1623
1080	s/\.map$//;	1624	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1625	}
1083		1626
1084	\@paths	1627	\@paths
1085	}	1628	}
1086		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1088		1635
1089	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1090		1637
1091	=cut	1638	=cut
1092		1639
1093	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1095		1642
1096	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1644	}
1100		1645
1101	package cf;	1646	=item $player->ext_msg ($type, @msg)
		1647
		1648	Sends an ext event to the client.
		1649
		1650	=cut
		1651
		1652	sub ext_msg($$@) {
		1653	my ($self, $type, @msg) = @_;
		1654
		1655	$self->ns->ext_msg ($type, @msg);
		1656	}
		1657
		1658	=head3 cf::region
		1659
		1660	=over 4
		1661
		1662	=cut
		1663
		1664	package cf::region;
		1665
		1666	=item cf::region::find_by_path $path
		1667
		1668	Tries to decuce the likely region for a map knowing only its path.
		1669
		1670	=cut
		1671
		1672	sub find_by_path($) {
		1673	my ($path) = @_;
		1674
		1675	my ($match, $specificity);
		1676
		1677	for my $region (list) {
		1678	if ($region->{match} && $path =~ $region->{match}) {
		1679	($match, $specificity) = ($region, $region->specificity)
		1680	if $region->specificity > $specificity;
		1681	}
		1682	}
		1683
		1684	$match
		1685	}
1102		1686
1103	=back	1687	=back
1104
1105		1688
1106	=head3 cf::map	1689	=head3 cf::map
1107		1690
1108	=over 4	1691	=over 4
1109		1692
…		…
1121	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1123		1706
1124	sub generate_random_map {	1707	sub generate_random_map {
1125	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
1126	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1713	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1723	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1724	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1725	)
1140	}	1726	}
1141		1727
		1728	=item cf::map->register ($regex, $prio)
		1729
		1730	Register a handler for the map path matching the given regex at the
		1731	givne priority (higher is better, built-in handlers have priority 0, the
		1732	default).
		1733
		1734	=cut
		1735
1142	sub register {	1736	sub register {
1143	my (undef, $regex) = @_;	1737	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1738	my $pkg = caller;
1145		1739
1146	no strict;	1740	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1741	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1742
1149	$EXT_MAP{$pkg} = qr<$regex>;	1743	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1744	}
1151		1745
1152	# also paths starting with '/'	1746	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1747	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1748
1155	sub thawer_merge {	1749	sub thawer_merge {
1156	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1157		1751
1158	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1159	local $self->{path};	1753	local $self->{path};
1160	local $self->{load_path};	1754	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1755
1164	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1165	}	1757	}
1166		1758
1167	sub normalise {	1759	sub normalise {
1168	my ($path, $base) = @_;	1760	my ($path, $base) = @_;
		1761
		1762	$path = "$path"; # make sure its a string
		1763
		1764	$path =~ s/\.map$//;
1169		1765
1170	# map plan:	1766	# map plan:
1171	#	1767	#
1172	# /! non-realised random map exit (special hack!)	1768	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1769	# {... are special paths that are not being touched
…		…
1201		1797
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1798	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1799
1204	$path = normalise $path, $base;	1800	$path = normalise $path, $base;
1205		1801
1206	for my $pkg (keys %EXT_MAP) {	1802	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1803	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1804	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1805	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1211	return $self;	1807	return $self;
1212	}	1808	}
1213	}	1809	}
1214		1810
1215	Carp::carp "unable to resolve path '$path'.";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1812	()
1217	}	1813	}
1218		1814
1219	sub init {	1815	sub init {
1220	my ($self) = @_;	1816	my ($self) = @_;
…		…
1235		1831
1236	# the original (read-only) location	1832	# the original (read-only) location
1237	sub load_path {	1833	sub load_path {
1238	my ($self) = @_;	1834	my ($self) = @_;
1239		1835
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1241	}	1837	}
1242		1838
1243	# the temporary/swap location	1839	# the temporary/swap location
1244	sub save_path {	1840	sub save_path {
1245	my ($self) = @_;	1841	my ($self) = @_;
1246		1842
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1249	}	1845	}
1250		1846
1251	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1252	sub uniq_path {	1848	sub uniq_path {
1253	my ($self) = @_;	1849	my ($self) = @_;
1254		1850
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1257	}	1853	}
1258		1854
1259	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1260	# all maps in C++...	1856	# all maps in C++...
1261	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1263		1859
1264	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1266	}	1862	}
1267		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1268	sub unlink_save {	1872	sub unlink_save {
1269	my ($self) = @_;	1873	my ($self) = @_;
1270		1874
1271	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1879
1276	sub load_header_from($) {	1880	sub load_header_from($) {
1277	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1278		1882
1279	utf8::encode $path;	1883	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1281	or return;	1885	or return;
1282		1886
1283	$self->_load_header ($path)	1887	$self->_load_header ($f)
1284	or return;	1888	or return;
1285		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
		1892
1286	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1287		1894
1288	1	1895	1
1289	}	1896	}
1290		1897
1291	sub load_orig {	1898	sub load_header_orig {
1292	my ($self) = @_;	1899	my ($self) = @_;
1293		1900
1294	$self->load_header_from ($self->load_path)	1901	$self->load_header_from ($self->load_path)
1295	}	1902	}
1296		1903
1297	sub load_temp {	1904	sub load_header_temp {
1298	my ($self) = @_;	1905	my ($self) = @_;
1299		1906
1300	$self->load_header_from ($self->save_path)	1907	$self->load_header_from ($self->save_path)
		1908	}
		1909
		1910	sub prepare_temp {
		1911	my ($self) = @_;
		1912
		1913	$self->last_access ((delete $self->{last_access})
		1914	|| $cf::RUNTIME); #d#
		1915	# safety
		1916	$self->{instantiate_time} = $cf::RUNTIME
		1917	if $self->{instantiate_time} > $cf::RUNTIME;
		1918	}
		1919
		1920	sub prepare_orig {
		1921	my ($self) = @_;
		1922
		1923	$self->{load_original} = 1;
		1924	$self->{instantiate_time} = $cf::RUNTIME;
		1925	$self->last_access ($cf::RUNTIME);
		1926	$self->instantiate;
1301	}	1927	}
1302		1928
1303	sub load_header {	1929	sub load_header {
1304	my ($self) = @_;	1930	my ($self) = @_;
1305		1931
1306	if ($self->load_temp) {	1932	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1933	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1934	} else {
1313	$self->load_orig	1935	$self->load_header_orig
1314	or return;	1936	or return;
1315		1937	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1938	}
		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
1321		1945
1322	1	1946	1
1323	}	1947	}
1324		1948
1325	sub find;	1949	sub find;
1326	sub find {	1950	sub find {
1327	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1328		1952
1329	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1330		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1332		1957
1333	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1334	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1335	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1336	or return;	1963	or return;
1337		1964
1338	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1339		1966
1340	$map->load_header	1967	$map->load_header
1341	or return;	1968	or return;
1342		1969
1343	if ($map->should_reset) {	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1971	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1345	$map->reset;	1975	$map->reset;
1346	undef $guard;
1347	$map = find $path	1976	return find $path;
1348	or return;
1349	}	1977	}
1350		1978
1351	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1352	}	1980	}
1353	}	1981	}
		1982
		1983	sub pre_load { }
		1984	sub post_load { }
1354		1985
1355	sub load {	1986	sub load {
1356	my ($self) = @_;	1987	my ($self) = @_;
1357		1988
		1989	local $self->{deny_reset} = 1; # loading can take a long time
		1990
1358	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1360		1995
		1996	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		1998
1363	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1364		2000
1365	$self->alloc;	2001	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2002
		2003	$self->pre_load;
		2004	cf::cede_to_tick;
		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1367	or return;	2009	or return;
1368		2010
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1370	if delete $self->{load_original};	2012	if delete $self->{load_original};
1371		2013
1372	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2015	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2018	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1377	}	2022	}
1378	}	2023	}
1379		2024
1380	Coro::cede;	2025	$f->resolve_delayed_derefs;
1381		2026
		2027	cf::cede_to_tick;
1382	# now do the right thing for maps	2028	# now do the right thing for maps
1383	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2031	unless $self->difficulty;
1393	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;
1394	$self->activate;	2041	$self->activate;
1395	}	2042	}
1396		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
		2048	}
		2049
		2050	$self->post_load;
1398	}	2051	}
1399		2052
1400	sub customise_for {	2053	sub customise_for {
1401	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1402		2055
1403	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2057	if $self->per_player;
1405		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1406	$self	2062	$self
1407	}	2063	}
1408		2064
1409	# 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
1410	sub load_diag {	2066	sub load_neighbours {
1411	my ($map) = @_;	2067	my ($map) = @_;
1412		2068
1413	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1414		2070
1415	for (0 .. 3) {	2071	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1417	or next;	2073	or next;
1418	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1419	or next;	2075	or next;
1420	$neigh->load;	2076	$neigh->load;
1421		2077
		2078	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2081	}
1425		2082
1426	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1428	or next;	2086	or next;
1429	$neigh->load;	2087	$neigh->load;
1430	}	2088	}
1431	}	2089	}
1432		2090
…		…
1437	}	2095	}
1438		2096
1439	sub do_load_sync {	2097	sub do_load_sync {
1440	my ($map) = @_;	2098	my ($map) = @_;
1441		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1442	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1443	}	2104	}
1444		2105
1445	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1447		2108
1448	sub find_async {	2109	sub find_async {
1449	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1450		2111
1451	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1452		2113
1453	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1454	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1455	}	2116	}
1456		2117
1457	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1458	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1459	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1460	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	my $map = find $path	2125	if (my $map = find $k) {
1462	or next;
1463	$map->load;	2126	$map->load if $v;
		2127	}
1464		2128
1465	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1466	}	2130	}
1467	}	2131	}
1468	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1469	};	2133	};
		2134	$MAP_PREFETCHER->prio (6);
1470		2135
1471	()	2136	()
1472	}	2137	}
1473		2138
1474	sub save {	2139	sub save {
1475	my ($self) = @_;	2140	my ($self) = @_;
1476		2141
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2143
1479	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1480		2145
1481	return unless $self->dirty;	2146	return unless $self->dirty;
1482		2147
…		…
1488	return if $self->{deny_save};	2153	return if $self->{deny_save};
1489		2154
1490	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1491		2156
1492	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1494	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1495		2163
1496	if ($uniq) {	2164	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2167	} else {
…		…
1505	my ($self) = @_;	2173	my ($self) = @_;
1506		2174
1507	# save first because save cedes	2175	# save first because save cedes
1508	$self->save;	2176	$self->save;
1509		2177
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2179
1512	return if $self->players;	2180	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1514	return if $self->{deny_save};	2182	return if $self->{deny_save};
1515		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2188	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2189	}
1519		2190
1520	sub reset_at {	2191	sub reset_at {
1521	my ($self) = @_;	2192	my ($self) = @_;
1522		2193
1523	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1526		2196
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	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;
1529		2199
…		…
1540	my ($self) = @_;	2210	my ($self) = @_;
1541		2211
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2213
1544	return if $self->players;	2214	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2215
1547	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
		2217
		2218	$self->in_memory (cf::MAP_SWAPPED);
		2219
		2220	# need to save uniques path
		2221	unless ($self->{deny_save}) {
		2222	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2223
		2224	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2225	if $uniq;
		2226	}
1548		2227
1549	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1550		2229
1551	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2232	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2233
1556	$self->unlink_save;	2234	$self->unlink_save;
1557	$self->destroy;	2235	$self->destroy;
1558	}	2236	}
1559		2237
1560	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1561		2239
1562	sub nuke {	2240	sub nuke {
1563	my ($self) = @_;	2241	my ($self) = @_;
1564		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1565	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1566		2247
1567	$self->unlink_save;	2248	$self->unlink_save;
1568		2249
1569	bless $self, "cf::map";	2250	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2255
1575	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1576		2258
1577	$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	]
1578	}	2296	}
1579		2297
1580	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1581		2299
1582	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2301	instantiated unique items. May block.
1584		2302
1585	=cut	2303	=cut
1586		2304
1587	sub unique_maps() {	2305	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1589	or return;	2307	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2308	utf8::decode $_;
1595	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1597		2311	? ()
1598	s/\.map$//;	2312	: normalise $_
1599	push @paths, $_;	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2314	]
1601
1602	\@paths
1603	}	2315	}
1604
1605	package cf;
1606		2316
1607	=back	2317	=back
1608		2318
1609	=head3 cf::object	2319	=head3 cf::object
1610		2320
…		…
1614		2324
1615	=over 4	2325	=over 4
1616		2326
1617	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1618		2328
1619	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.
1620		2331
1621	=cut	2332	=cut
1622		2333
1623	sub inv_recursive_;	2334	sub inv_recursive_;
1624	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1627		2338
1628	sub inv_recursive {	2339	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1630	}	2341	}
1631		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
1632	package cf;	2371	package cf;
1633		2372
1634	=back	2373	=back
1635		2374
1636	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1642	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>
1643	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
1644	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1645		2384
1646	=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	};
1647		2400
1648	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2402	# with dialog boxes.
1650	#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
1651	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1653		2406
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2408
1656	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1658	} 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 {
1659	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1661	}	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 (@_);
1662	}	2434	}
1663		2435
1664	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1665		2437
1666	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1679		2451
1680	=item $player_object->enter_link	2452	=item $player_object->enter_link
1681		2453
1682	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}>).
1683		2455
1684	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.
1685	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.
1686		2460
1687	Will never block.	2461	Will never block.
1688		2462
1689	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1690		2464
…		…
1698	=cut	2472	=cut
1699		2473
1700	sub link_map {	2474	sub link_map {
1701	unless ($LINK_MAP) {	2475	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2476	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2477	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2478	$LINK_MAP->load;
1705	}	2479	}
1706		2480
1707	$LINK_MAP	2481	$LINK_MAP
1708	}	2482	}
…		…
1713	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1714		2488
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2490
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1719		2493
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2495	}
1722		2496
1723	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1725		2501
1726	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1727		2503
1728	unless ($map) {	2504	unless ($map) {
1729	# restore original map position	2505	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1746		2522
1747	$map->load;	2523	$map->load;
1748	$map->load_diag;	2524	$map->load_neighbours;
1749		2525
1750	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1751	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1753	}	2532	}
1754		2533
1755	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2535
1759	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1763	};	2540	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2541
1769	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1770	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2544
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1790		2548
1791	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1792	my ($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;
1793		2554
1794	$self->enter_link;	2555	$self->enter_link;
1795		2556
1796	(async {	2557	(async {
1797	my $map = cf::map::find $path;	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
		2579	my $map = eval {
		2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
1799		2584	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2585	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
1804		2588
		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 $@;
		2595	}
		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1806	})->prio (1);	2603	})->prio (1);
1807	}	2604	}
1808		2605
1809	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1810		2607
…		…
1830	}	2627	}
1831		2628
1832	sub prepare_random_map {	2629	sub prepare_random_map {
1833	my ($exit) = @_;	2630	my ($exit) = @_;
1834		2631
1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1836
1837	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1838	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1839	# that depends on the exit object	2634	# that depends on the exit object
1840		2635
1841	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
1842		2637
1843	if ($exit->map) {	2638	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2639	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1848	}	2645	}
1849		2646
1850	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1851		2648
1852	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1853	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1855		2652
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2655	undef $fh;
1859	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1860		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1861	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1862	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1863	}	2664	}
1864	}	2665	}
1865		2666
1866	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
…		…
1869	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1870		2671
1871	$self->enter_link;	2672	$self->enter_link;
1872		2673
1873	(async {	2674	(async {
1874	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1875	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
1876	prepare_random_map $exit	2684	prepare_random_map $exit
1877	if $exit->slaying eq "/!";	2685	if $exit->slaying eq "/!";
		2686	}
1878		2687
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
1881		2691
		2692	$self->goto ($map, $x, $y);
		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
1882	1;	2698	1
1883	}) {	2699	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1885	. "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. "
1886	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2704
1889	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2706	$self->leave_link;
1891	}	2707	}
1892	})->prio (1);	2708	})->prio (1);
…		…
1905		2721
1906	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1908		2724
1909	utf8::encode $text;	2725	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2727	}
1912		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
		2880	=item $client->ext_msg ($type, @msg)
		2881
		2882	Sends an ext event to the client.
		2883
		2884	=cut
		2885
		2886	sub cf::client::ext_msg($$@) {
		2887	my ($self, $type, @msg) = @_;
		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
		2892	push @msg, msgtype => "event_$type";
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		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	}
		2913	}
1913		2914
1914	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
1915		2916
1916	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
1917	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>,
1918	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>.
1919		2920
1920	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
1921	reliable at some point in the future.	2922	become reliable at some point in the future.
1922		2923
1923	=cut	2924	=cut
1924		2925
1925	sub cf::client::query {	2926	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	2935	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		2937
1937	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
1939	}	2942	}
1940		2943
1941	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
1942	on_reply => sub {	2950	on_reply => sub {
1943	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
1944		2952
1945	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
1946	# get handled first	2954	# get handled first
1947	my $queue = delete $ns->{query_queue}	2955	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	2956	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		2957
1950	(shift @$queue)->[1]->($msg);	2958	(shift @$queue)->[1]->($msg);
		2959	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		2960
1952	push @{ $ns->{query_queue} }, @$queue;	2961	push @{ $ns->{query_queue} }, @$queue;
1953		2962
1954	if (@{ $ns->{query_queue} } == @$queue) {	2963	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	2964	if (@$queue) {
…		…
1957	} else {	2966	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	2968	}
1960	}	2969	}
1961	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($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	},
1962	);	2997	);
1963		2998
1964	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
1965		3000
1966	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2009		3044
2010	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2011		3046
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2013		3052
2014	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2015		3054
2016	=pod	3055	=pod
2017		3056
2018	The following fucntions and emthods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2019		3058
2020	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2021	cf::object::player player	3063	cf::object::player
2022	cf::player peaceful	3064	player
2023	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2024		3071
2025	=cut	3072	=cut
2026		3073
2027	for (	3074	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2029	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2032	) {	3081	) {
2033	no strict 'refs';	3082	no strict 'refs';
…		…
2104	=back	3153	=back
2105		3154
2106	=cut	3155	=cut
2107		3156
2108	#############################################################################	3157	#############################################################################
		3158	# the server's init and main functions
2109		3159
2110	=head2 EXTENSION DATABASE SUPPORT	3160	sub load_facedata($) {
		3161	my ($path) = @_;
2111		3162
2112	Crossfire maintains a very simple database for extension use. It can	3163	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3164	# for this (global event?)
2114	excludes objects.	3165	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3166
2116	The parameter C<$family> should best start with the name of the extension	3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3168
2119	=over 4	3169	warn "loading facedata from $path\n";
2120		3170
2121	=item $hashref = cf::db_get $family	3171	my $facedata;
		3172	0 < aio_load $path, $facedata
		3173	or die "$path: $!";
2122		3174
2123	Return a hashref for use by the extension C<$family>, which can be	3175	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3176
2127	=item $value = cf::db_get $family => $key	3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3179
2129	Returns a single value from the database	3180	# patch in the exptable
2130		3181	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	3182	type => FT_RSRC,
2132		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2133	Stores the given family hashref into the database. Updates are delayed, if
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_put $family => $key => $value
2137
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148
2149	=cut
2150
2151	our $DB;
2152
2153	{
2154	my $path = cf::localdir . "/database.pst";
2155
2156	sub db_load() {
2157	$DB = stat $path ? Storable::retrieve $path : { };
2158	}
2159
2160	my $pid;
2161
2162	sub db_save() {
2163	waitpid $pid, 0 if $pid;
2164	if (0 == ($pid = fork)) {
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	3184	};
		3185	cf::cede_to_tick;
2182		3186
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3187	{
		3188	my $faces = $facedata->{faceinfo};
2187		3189
2188	sub db_get($;$) {	3190	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}
2191	: ($DB->{$_[0]} ||= { })
2192	}
2193		3192
2194	sub db_put($$;$) {	3193	cf::face::set_visibility $idx, $info->{visibility};
2195	if (@_ >= 3) {	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2196	$DB->{$_[0]}{$_[1]} = $_[2];	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2197	} else {	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202		3197
2203	cf::global->attach (	3198	cf::cede_to_tick;
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	3199	}
2208	);
2209	}
2210		3200
2211	#############################################################################	3201	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3202	next unless $info->{smooth};
2213		3203
2214	sub cfg_load {	3204	my $idx = cf::face::find $face
		3205	or next;
		3206
		3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3210	} else {
		3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3212	}
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
		3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		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
		3264	1
		3265	}
		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
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
		3334	sub reload_resources {
		3335	warn "reloading resource files...\n";
		3336
		3337	reload_facedata;
		3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
		3350	reload_resources;
		3351	}
		3352
		3353	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3355	or return;
2217		3356
2218	local $/;	3357	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2220		3359
2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2222		3361
2223	$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};
2224	$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};
…		…
2230	};	3369	};
2231	warn $@ if $@;	3370	warn $@ if $@;
2232	}	3371	}
2233	}	3372	}
2234		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
2235	sub main {	3393	sub main {
		3394	atomic;
		3395
2236	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2238	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#
2239	(async {	3399	(async {
2240	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2241	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2242	};	3403	};
2243		3404
2244	cfg_load;	3405	{
2245	db_load;	3406	my $guard = freeze_mainloop;
		3407	reload_config;
		3408	db_init;
2246	load_extensions;	3409	load_extensions;
2247		3410
2248	$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
2249	Event::loop;	3419	EV::loop;
2250	}	3420	}
2251		3421
2252	#############################################################################	3422	#############################################################################
2253	# initialisation and cleanup	3423	# initialisation and cleanup
2254		3424
2255	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2256	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2257	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2258	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2259	data => WF_AUTOCANCEL,
2260	signal => $signal,
2261	cb => sub {
2262	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2263	},
2264	);	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
2265	}	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($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2266	}	3512	}
2267		3513
2268	sub emergency_save() {	3514	sub emergency_save() {
2269	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2270		3516
…		…
2276	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2277	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2278	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2279	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2280	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2281	$pl->save;	3528	$pl->save;
2282	}	3529	}
2283	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2284		3531
2285	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2287	my $map = $cf::MAP{$path} or next;	3534	my $map = $cf::MAP{$path} or next;
2288	$map->valid or next;	3535	$map->valid or next;
2289	$map->save;	3536	$map->save;
2290	}	3537	}
2291	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
		3539
		3540	warn "begin emergency database checkpoint\n";
		3541	BDB::db_env_txn_checkpoint $DB_ENV;
		3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2292	};	3547	};
2293		3548
2294	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2295	}	3550	}
2296		3551
		3552	sub post_cleanup {
		3553	my ($make_core) = @_;
		3554
		3555	warn Carp::longmess "post_cleanup backtrace"
		3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
		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 $RELOAD; # how many times to reload
		3589
2297	sub reload() {	3590	sub do_reload_perl() {
2298	# can/must only be called in main	3591	# can/must only be called in main
2299	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2300	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2301	return;	3594	return;
2302	}	3595	}
2303		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2304	warn "reloading...";	3600	warn "reloading...";
2305		3601
2306	warn "cancelling server ticker";	3602	warn "entering sync_job";
2307	$TICK_WATCHER->cancel;
2308		3603
		3604	cf::sync_job {
		3605	cf::write_runtime_sync; # external watchdog should not bark
2309	cf::emergency_save;	3606	cf::emergency_save;
		3607	cf::write_runtime_sync; # external watchdog should not bark
2310		3608
2311	eval {	3609	warn "syncing database to disk";
		3610	BDB::db_env_txn_checkpoint $DB_ENV;
		3611
2312	# 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
2313		3613
2314	warn "syncing database to disk";
2315	cf::db_sync;
2316
2317	warn "cancelling all WF_AUTOCANCEL watchers";
2318	for (Event::all_watchers) {
2319	$_->cancel if $_->data & WF_AUTOCANCEL;
2320	}
2321
2322	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2323	for (;;) {	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2324	IO::AIO::flush;	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2325	Coro::cede;
2326	last unless IO::AIO::nreqs;
2327	warn "iterate...";
2328	}
2329
2330	warn "cancelling all extension coros";
2331	$_->cancel for values %EXT_CORO;
2332	%EXT_CORO = ();
2333
2334	warn "removing commands";
2335	%COMMAND = ();
2336
2337	warn "removing ext commands";
2338	%EXTCMD = ();
2339
2340	warn "unloading/nuking all extensions";
2341	for my $pkg (@EXTS) {
2342	warn "... unloading $pkg";
2343
2344	if (my $cb = $pkg->can ("unload")) {
2345	eval {
2346	$cb->($pkg);
2347	1
2348	} or warn "$pkg unloaded, but with errors: $@";
2349	}	3617	}
2350		3618
2351	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2352	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2353	}	3621	%EXT_CORO = ();
2354		3622
2355	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2356	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2357	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2358		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2359	warn "... unloading $k";	3632	warn "... unloading $pkg";
2360	delete $INC{$k};
2361		3633
2362	$k =~ s/\.pm$//;
2363	$k =~ s/\//::/g;
2364
2365	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2366	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2367	}	3643	}
2368		3644
2369	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 $k;
2370	}	3660	}
2371		3661
2372	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2373	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2374	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);
2375		3665
2376	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2377	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2378		3669
2379	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2380	# and global variables created in xs	3671	# and global variables created in xs
2381	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2382		3673
2383	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2384		3675
2385	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2386	require cf;	3677	require cf;
2387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2388		3679
2389	warn "loading config and database again";	3680	warn "loading config and database again";
2390	cf::cfg_load;	3681	cf::reload_config;
2391	cf::db_load;
2392		3682
2393	warn "loading extensions";	3683	warn "loading extensions";
2394	cf::load_extensions;	3684	cf::load_extensions;
2395		3685
2396	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2397	_global_reattach;	3687	_global_reattach; # objects, sockets
2398	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2399	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
		3690	warn "reattaching attachments to players";
		3691	reattach $_ for values %PLAYER;
2400		3692
2401	warn "restarting server ticker";	3693	warn "leaving sync_job";
2402		3694
2403	$TICK_WATCHER->start;	3695	1
		3696	} or do {
		3697	warn $@;
		3698	cf::cleanup "error while reloading, exiting.";
		3699	};
		3700
		3701	warn "reloaded";
		3702	--$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 $RELOAD_WATCHER;
2404	};	3715	};
2405		3716	}
2406	if ($@) {
2407	warn $@;
2408	warn "error while reloading, exiting.";
2409	exit 1;
2410	}
2411
2412	warn "reloaded";
2413	};
2414
2415	our $RELOAD_WATCHER; # used only during reload
2416		3717
2417	register_command "reload" => sub {	3718	register_command "reload" => sub {
2418	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2419		3720
2420	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2421	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
2422		3723	async {
2423	# doing reload synchronously and two reloads happen back-to-back,	3724	$Coro::current->{desc} = "perl_reload";
2424	# coro crashes during coro_state_free->destroy here.
2425
2426	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2427	reload;	3725	reload_perl;
2428	undef $RELOAD_WATCHER;
2429	});	3726	};
2430	}	3727	}
2431	};	3728	};
2432		3729
2433	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2434		3731
2435	my $bug_warning = 0;	3732	my $bug_warning = 0;
2436		3733
2437	$TICK_WATCHER = Event->timer (	3734	our @WAIT_FOR_TICK;
2438	reentrant => 0,	3735	our @WAIT_FOR_TICK_BEGIN;
2439	parked => 1,	3736
2440	prio => 0,	3737	sub wait_for_tick {
2441	at => $NEXT_TICK || $TICK,	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2442	data => WF_AUTOCANCEL,	3739
2443	cb => sub {	3740	my $signal = new Coro::Signal;
		3741	push @WAIT_FOR_TICK, $signal;
		3742	$signal->wait;
		3743	}
		3744
		3745	sub wait_for_tick_begin {
		3746	return if tick_inhibit || $Coro::current == $Coro::main;
		3747
		3748	my $signal = new Coro::Signal;
		3749	push @WAIT_FOR_TICK_BEGIN, $signal;
		3750	$signal->wait;
		3751	}
		3752
		3753	sub tick {
2444	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2445	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2446	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2447	return;	3757	return;
2448	}	3758	}
2449		3759
2450	$NOW = Event::time;
2451
2452	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2453	$RUNTIME += $TICK;
2454	$NEXT_TICK += $TICK;
2455		3761
2456	$WAIT_FOR_TICK->broadcast;	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2457	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2458		3764	Coro::async_pool {
2459	# if we are delayed by four ticks or more, skip them all	3765	$Coro::current->{desc} = "runtime saver";
2460	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2461
2462	$TICK_WATCHER->at ($NEXT_TICK);
2463	$TICK_WATCHER->start;
2464	},
2465	);
2466
2467	IO::AIO::max_poll_time $TICK * 0.2;
2468
2469	$AIO_POLL_WATCHER = Event->io (
2470	fd => IO::AIO::poll_fileno,
2471	poll => 'r',
2472	prio => 5,
2473	data => WF_AUTOCANCEL,
2474	cb => \&IO::AIO::poll_cb,
2475	);
2476
2477	$WRITE_RUNTIME_WATCHER = Event->timer (
2478	data => WF_AUTOCANCEL,
2479	after => 1,
2480	interval => 10,
2481	cb => Coro::unblock_sub {
2482	write_runtime	3766	write_runtime_sync
2483	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
		3768	};
2484	},	3769	}
2485	);	3770
		3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3772	$sig->send;
		3773	}
		3774	while (my $sig = shift @WAIT_FOR_TICK) {
		3775	$sig->send;
		3776	}
		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	}
		3789
		3790	{
		3791	# configure BDB
		3792
		3793	BDB::min_parallel 8;
		3794	BDB::max_poll_reqs $TICK * 0.1;
		3795	$AnyEvent::BDB::WATCHER->priority (1);
		3796
		3797	unless ($DB_ENV) {
		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);
		3804
		3805	cf::sync_job {
		3806	eval {
		3807	BDB::db_env_open
		3808	$DB_ENV,
		3809	$BDBDIR,
		3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3812	0666;
		3813
		3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3815	};
		3816
		3817	cf::cleanup "db_env_open(db): $@" if $@;
		3818	};
		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	};
		3830	}
		3831
		3832	{
		3833	# configure IO::AIO
		3834
		3835	IO::AIO::min_parallel 8;
		3836	IO::AIO::max_poll_time $TICK * 0.1;
		3837	undef $AnyEvent::AIO::WATCHER;
		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;
2486		3884
2487	END { cf::emergency_save }	3885	END { cf::emergency_save }
2488		3886
2489	1	3887	1
2490		3888

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