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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.181 by root, Fri Jan 19 15:29:52 2007 UTC vs.
Revision 1.443 by root, Sun Aug 31 10:05:26 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		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	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	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		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
53		108
54	our %CFG;	109	our %CFG;
55		110
56	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
58		114
59	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	117	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		118
67	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
70	binmode STDOUT;	127	binmode STDOUT;
71	binmode STDERR;	128	binmode STDERR;
72		129
73	# read virtual server time, if available	130	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
78	}	135	}
79		136
80	mkdir cf::localdir;	137	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		139
86	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
87		143
88	#############################################################################	144	#############################################################################
89		145
90	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
91		147
…		…
98	=item $cf::RUNTIME	154	=item $cf::RUNTIME
99		155
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	157	every server tick.
102		158
103	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		162
105	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
107		167
108	=item $cf::NOW	168	=item $cf::NOW
109		169
110	The time of the last (current) server tick.	170	The time of the last (current) server tick.
111		171
112	=item $cf::TICK	172	=item $cf::TICK
113		173
114	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
115		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
116	=item %cf::CFG	186	=item %cf::CFG
117		187
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	189	from wherever your confdir points to.
120		190
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		192
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
127		202
128	=back	203	=back
129		204
130	=cut	205	=cut
131		206
132	BEGIN {	207	BEGIN {
133	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	209	my $msg = join "", @_;
135	utf8::encode $msg;
136		210
137	$msg .= "\n"	211	$msg .= "\n"
138	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
139		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
140	LOG llevError, $msg;	216	LOG llevError, $msg;
141	};	217	};
142	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
143		234
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		242
151	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	244	# within the Safe compartment.
153	for my $pkg (qw(	245	for my $pkg (qw(
154	cf::global cf::attachable	246	cf::global cf::attachable
155	cf::object cf::object::player	247	cf::object cf::object::player
156	cf::client cf::player	248	cf::client cf::player
157	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
158	cf::map cf::party cf::region	251	cf::party cf::region
159	)) {	252	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	254	}
163		255
164	$Event::DIED = sub {	256	$EV::DIED = sub {
165	warn "error in event callback: @_";	257	warn "error in event callback: @_";
166	};	258	};
		259
		260	#############################################################################
167		261
168	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
169		263
170	=over 4	264	=over 4
171		265
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	285	$d
192	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
193	}	287	}
194		288
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
198		290
199	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
200		292
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
209		294
210	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
211		296
212	=cut	297	=cut
213		298
214	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
216	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
218		303
219	=item cf::lock_wait $string	304	=item cf::lock_wait $string
220		305
221	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
222		307
…		…
225	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
228	returned.	313	returned.
229		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
230	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
232		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
233	=cut	325	=cut
234		326
235	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
236		329
237	sub lock_wait($) {	330	sub lock_wait($) {
238	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
239		337
240	# wait for lock, if any	338	# wait for lock, if any
241	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	341	Coro::schedule;
…		…
249		347
250	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
251	lock_wait $key;	349	lock_wait $key;
252		350
253	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
254		353
255	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
258	}	358	}
259	}	359	}
260		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
261	sub freeze_mainloop {	367	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
263		369
264	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	371	}
266	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
267	};	431	}
268	$WRITE_RUNTIME_WATCHER->stop;	432	};
269	$TICK_WATCHER->stop;	433
270	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		536
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
352	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
353		541
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		543
358	aio_fsync $fh	544	sub fork_call(&@) {
359	and return;	545	my ($cb, @args) = @_;
360		546
361	close $fh	547	# we seemingly have to make a local copy of the whole thing,
362	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
363		550
364	aio_rename "$runtime~", $runtime	551	my @res = Coro::Util::fork_eval {
365	and return;	552	reset_signals;
		553	&$cb
		554	}, @args;
366		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
367	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	722	}
369		723
370	=back	724	=back
371		725
372	=cut	726	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
381		735
382	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	738	Deliantra).
385		739
386	=over 4	740	=over 4
387		741
388	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
389		743
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
553		907
554	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		912
559	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	914	my $pkg = shift @arg;
561		915
562	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
592	}	946	}
593		947
594	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
595	} else {	949	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	951	}
598		952
599	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
600	}	954	}
601		955
…		…
603	if (ref $_[0]) {	957	if (ref $_[0]) {
604	_object_attach @_;	958	_object_attach @_;
605	} else {	959	} else {
606	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
607	}	961	}
		962	_recalc_want;
608	};	963	};
609		964
610	# all those should be optimised	965	# all those should be optimised
611	sub cf::attachable::detach {	966	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
616	reattach ($obj);	971	reattach ($obj);
617	} else {	972	} else {
618	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
619	}	974	}
		975	_recalc_want;
620	};	976	};
621		977
622	sub cf::attachable::attached {	978	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
624		980
…		…
639	";	995	";
640	die if $@;	996	die if $@;
641	}	997	}
642		998
643	our $override;	999	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1001
646	sub override {	1002	sub override {
647	$override = 1;	1003	$override = 1;
648	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
649	}	1005	}
650		1006
651	sub do_invoke {	1007	sub do_invoke {
652	my $event = shift;	1008	my $event = shift;
653	my $callbacks = shift;	1009	my $callbacks = shift;
654		1010
655	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
656		1012
657	local $override;	1013	local $override;
658		1014
659	for (@$callbacks) {	1015	for (@$callbacks) {
660	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
669	}	1025	}
670		1026
671	0	1027	0
672	}	1028	}
673		1029
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1031
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1033
678	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
679		1035
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1039
684	=back	1040	=back
685		1041
686	=cut	1042	=cut
687		1043
688	#############################################################################	1044	#############################################################################
689	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
690		1088
691	sub reattach {	1089	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1091	my ($obj) = @_;
694		1092
		1093	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1095
697	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
698		1097
699	@$registry = ();	1098	@$registry = ();
700		1099
…		…
715	cf::attachable->attach (	1114	cf::attachable->attach (
716	prio => -1000000,	1115	prio => -1000000,
717	on_instantiate => sub {	1116	on_instantiate => sub {
718	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
719		1118
720	$data = from_json $data;	1119	$data = decode_json $data;
721		1120
722	for (@$data) {	1121	for (@$data) {
723	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
724		1123
725	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1140	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
743		1142
744	sync_job {	1143	sync_job {
745	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
748		1148
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1153	aio_close $fh;
754		1154
755	if (@$objs) {	1155	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1161	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
763	}	1163	}
764	} else {	1164	} else {
765	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
766	}	1166	}
…		…
771	}	1171	}
772	} else {	1172	} else {
773	aio_unlink $filename;	1173	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
775	}	1175	}
776	}	1176	};
777	}	1177	}
778		1178
779	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
781		1181
…		…
793	or return;	1193	or return;
794		1194
795	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
797	or return;	1197	or return;
		1198
798	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
799	}	1201	}
800		1202
		1203	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
803	return ($data, $av);	1207	($data, $av)
804	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
805		1215
806	#############################################################################	1216	#############################################################################
807	# command handling &c	1217	# command handling &c
808		1218
809	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1233	}
824		1234
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1236
827	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
828		1242
829	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
830	called.	1244	called.
831		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
832	=cut	1257	=cut
833		1258
834	sub register_extcmd {	1259	sub register_extcmd {
835	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
836		1261
837	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
838	}	1269	}
839		1270
840	cf::player->attach (	1271	cf::player->attach (
841	on_command => sub {	1272	on_command => sub {
842	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1282	cf::override;
852	},	1283	},
853	on_extcmd => sub {	1284	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
855		1286
856	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1288
858	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
864	} else {	1304	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1306	}
867		1307
868	cf::override;	1308	cf::override;
869	},	1309	},
870	);	1310	);
871		1311
872	sub load_extension {
873	my ($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 {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
907	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1317	next unless -r $path;
909	eval {	1318
910	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
911	1	1375	}
912	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
913	}	1381	};
914	}	1382	}
915		1383
916	#############################################################################	1384	#############################################################################
917		1385
		1386	=back
		1387
918	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
919		1389
920	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
921		1391
922	=cut	1392	=cut
…		…
927		1397
928	=head3 cf::player	1398	=head3 cf::player
929		1399
930	=over 4	1400	=over 4
931		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
932	=item cf::player::find $login	1416	=item cf::player::find $login
933		1417
934	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
935		1419
936	=cut	1420	=cut
937		1421
938	sub playerdir($) {	1422	sub playerdir($) {
939	cf::localdir	1423	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1425	}
945		1426
946	sub path($) {	1427	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1429
949	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
950	}	1431	}
951		1432
952	sub find_active($) {	1433	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1448	my $login = $_[0];
968		1449
969	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
970		1451
971	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
973	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
975	}	1469	}
976	}	1470	}
977	}	1471	}
978		1472
…		…
987	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
988		1482
989	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
991		1485
		1486	cf::get_slot 0.01;
		1487
992	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
993	Coro::cede;	1489	cf::cede_to_tick;
994	}	1490	}
995		1491
996	sub new($) {	1492	sub new($) {
997	my ($login) = @_;	1493	my ($login) = @_;
998		1494
…		…
1004	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1005		1501
1006	$self	1502	$self
1007	}	1503	}
1008		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1009	=item $pl->quit_character	1515	=item $pl->quit_character
1010		1516
1011	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1013		1519
1014	=cut	1520	=cut
1015		1521
1016	sub quit_character {	1522	sub quit_character {
1017	my ($pl) = @_;	1523	my ($pl) = @_;
1018		1524
		1525	my $name = $pl->ob->name;
		1526
1019	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1529
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1026		1536
1027	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1032	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1033	}	1563	}
1034		1564
1035	=item cf::player::list_logins	1565	=item cf::player::list_logins
1036		1566
1037	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1039		1569
1040	=cut	1570	=cut
1041		1571
1042	sub list_logins {	1572	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1574	or return [];
1045		1575
1046	my @logins;	1576	my @logins;
1047		1577
1048	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1052		1588
1053	utf8::decode $login;	1589	utf8::decode $login;
1054	push @logins, $login;	1590	push @logins, $login;
1055	}	1591	}
1056		1592
…		…
1064		1600
1065	=cut	1601	=cut
1066		1602
1067	sub maps($) {	1603	sub maps($) {
1068	my ($pl) = @_;	1604	my ($pl) = @_;
		1605
		1606	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1607
1070	my $files = aio_readdir playerdir $pl	1608	my $files = aio_readdir playerdir $pl
1071	or return;	1609	or return;
1072		1610
1073	my @paths;	1611	my @paths;
…		…
1075	for (@$files) {	1613	for (@$files) {
1076	utf8::decode $_;	1614	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1615	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1616	next unless /^$PATH_SEP/o;
1079		1617
1080	s/\.map$//;	1618	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1619	}
1083		1620
1084	\@paths	1621	\@paths
1085	}	1622	}
1086		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1088		1720
1089	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1090		1722
1091	=cut	1723	=cut
1092		1724
1093	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1095		1727
1096	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1729	}
1100		1730
1101	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1102		1771
1103	=back	1772	=back
1104
1105		1773
1106	=head3 cf::map	1774	=head3 cf::map
1107		1775
1108	=over 4	1776	=over 4
1109		1777
…		…
1121	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1123		1791
1124	sub generate_random_map {	1792	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1126	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1798	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1808	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1809	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1810	)
1140	}	1811	}
1141		1812
		1813	=item cf::map->register ($regex, $prio)
		1814
		1815	Register a handler for the map path matching the given regex at the
		1816	givne priority (higher is better, built-in handlers have priority 0, the
		1817	default).
		1818
		1819	=cut
		1820
1142	sub register {	1821	sub register {
1143	my (undef, $regex) = @_;	1822	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1823	my $pkg = caller;
1145		1824
1146	no strict;	1825	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1826	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1827
1149	$EXT_MAP{$pkg} = qr<$regex>;	1828	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1829	}
1151		1830
1152	# also paths starting with '/'	1831	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1832	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1833
1155	sub thawer_merge {	1834	sub thawer_merge {
1156	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1157		1836
1158	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1159	local $self->{path};	1838	local $self->{path};
1160	local $self->{load_path};	1839	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1840
1164	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1165	}	1842	}
1166		1843
1167	sub normalise {	1844	sub normalise {
1168	my ($path, $base) = @_;	1845	my ($path, $base) = @_;
		1846
		1847	$path = "$path"; # make sure its a string
		1848
		1849	$path =~ s/\.map$//;
1169		1850
1170	# map plan:	1851	# map plan:
1171	#	1852	#
1172	# /! non-realised random map exit (special hack!)	1853	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1854	# {... are special paths that are not being touched
…		…
1201		1882
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1883	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1884
1204	$path = normalise $path, $base;	1885	$path = normalise $path, $base;
1205		1886
1206	for my $pkg (keys %EXT_MAP) {	1887	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1888	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1889	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1890	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1211	return $self;	1892	return $self;
1212	}	1893	}
1213	}	1894	}
1214		1895
1215	Carp::carp "unable to resolve path '$path'.";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1897	()
1217	}	1898	}
1218		1899
1219	sub init {	1900	sub init {
1220	my ($self) = @_;	1901	my ($self) = @_;
…		…
1235		1916
1236	# the original (read-only) location	1917	# the original (read-only) location
1237	sub load_path {	1918	sub load_path {
1238	my ($self) = @_;	1919	my ($self) = @_;
1239		1920
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1241	}	1922	}
1242		1923
1243	# the temporary/swap location	1924	# the temporary/swap location
1244	sub save_path {	1925	sub save_path {
1245	my ($self) = @_;	1926	my ($self) = @_;
1246		1927
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1249	}	1930	}
1250		1931
1251	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1252	sub uniq_path {	1933	sub uniq_path {
1253	my ($self) = @_;	1934	my ($self) = @_;
1254		1935
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1257	}	1938	}
1258		1939
1259	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1260	# all maps in C++...	1941	# all maps in C++...
1261	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1263		1944
1264	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1266	}	1947	}
1267		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1268	sub unlink_save {	1957	sub unlink_save {
1269	my ($self) = @_;	1958	my ($self) = @_;
1270		1959
1271	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1964
1276	sub load_header_from($) {	1965	sub load_header_from($) {
1277	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1278		1967
1279	utf8::encode $path;	1968	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1281	or return;	1970	or return;
1282		1971
1283	$self->_load_header ($path)	1972	$self->_load_header ($f)
1284	or return;	1973	or return;
1285		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
		1977
1286	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1287		1979
1288	1	1980	1
1289	}	1981	}
1290		1982
1291	sub load_orig {	1983	sub load_header_orig {
1292	my ($self) = @_;	1984	my ($self) = @_;
1293		1985
1294	$self->load_header_from ($self->load_path)	1986	$self->load_header_from ($self->load_path)
1295	}	1987	}
1296		1988
1297	sub load_temp {	1989	sub load_header_temp {
1298	my ($self) = @_;	1990	my ($self) = @_;
1299		1991
1300	$self->load_header_from ($self->save_path)	1992	$self->load_header_from ($self->save_path)
		1993	}
		1994
		1995	sub prepare_temp {
		1996	my ($self) = @_;
		1997
		1998	$self->last_access ((delete $self->{last_access})
		1999	|| $cf::RUNTIME); #d#
		2000	# safety
		2001	$self->{instantiate_time} = $cf::RUNTIME
		2002	if $self->{instantiate_time} > $cf::RUNTIME;
		2003	}
		2004
		2005	sub prepare_orig {
		2006	my ($self) = @_;
		2007
		2008	$self->{load_original} = 1;
		2009	$self->{instantiate_time} = $cf::RUNTIME;
		2010	$self->last_access ($cf::RUNTIME);
		2011	$self->instantiate;
1301	}	2012	}
1302		2013
1303	sub load_header {	2014	sub load_header {
1304	my ($self) = @_;	2015	my ($self) = @_;
1305		2016
1306	if ($self->load_temp) {	2017	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2018	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2019	} else {
1313	$self->load_orig	2020	$self->load_header_orig
1314	or return;	2021	or return;
1315		2022	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2023	}
		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
1321		2030
1322	1	2031	1
1323	}	2032	}
1324		2033
1325	sub find;	2034	sub find;
1326	sub find {	2035	sub find {
1327	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1328		2037
1329	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1330		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1332		2042
1333	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1334	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1335	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1336	or return;	2048	or return;
1337		2049
1338	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1339		2051
1340	$map->load_header	2052	$map->load_header
1341	or return;	2053	or return;
1342		2054
1343	if ($map->should_reset) {	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2056	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1345	$map->reset;	2060	$map->reset;
1346	undef $guard;
1347	$map = find $path	2061	return find $path;
1348	or return;
1349	}	2062	}
1350		2063
1351	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1352	}	2065	}
1353	}	2066	}
		2067
		2068	sub pre_load { }
		2069	sub post_load { }
1354		2070
1355	sub load {	2071	sub load {
1356	my ($self) = @_;	2072	my ($self) = @_;
1357		2073
		2074	local $self->{deny_reset} = 1; # loading can take a long time
		2075
1358	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1360		2080
		2081	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2083
1363	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1364		2085
1365	$self->alloc;	2086	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2087
		2088	$self->pre_load;
		2089	cf::cede_to_tick;
		2090
		2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1367	or return;	2094	or return;
1368		2095
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1370	if delete $self->{load_original};	2097	if delete $self->{load_original};
1371		2098
1372	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2100	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2103	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1377	}	2107	}
1378	}	2108	}
1379		2109
1380	Coro::cede;	2110	$f->resolve_delayed_derefs;
1381		2111
		2112	cf::cede_to_tick;
1382	# now do the right thing for maps	2113	# now do the right thing for maps
1383	$self->link_multipart_objects;	2114	$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)	2115	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2116	unless $self->difficulty;
1393	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1394	$self->activate;	2126	$self->activate;
1395	}	2127	}
1396		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2132	$self->in_memory (cf::MAP_ACTIVE);
		2133	}
		2134
		2135	$self->post_load;
1398	}	2136	}
1399		2137
1400	sub customise_for {	2138	sub customise_for {
1401	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1402		2140
1403	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2142	if $self->per_player;
1405		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1406	$self	2147	$self
1407	}	2148	}
1408		2149
1409	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2151	sub load_neighbours {
1411	my ($map) = @_;	2152	my ($map) = @_;
1412		2153
1413	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1414		2155
1415	for (0 .. 3) {	2156	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1417	or next;	2158	or next;
1418	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1419	or next;	2160	or next;
1420	$neigh->load;	2161	$neigh->load;
1421		2162
		2163	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2166	}
1425		2167
1426	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1428	or next;	2171	or next;
1429	$neigh->load;	2172	$neigh->load;
1430	}	2173	}
1431	}	2174	}
1432		2175
…		…
1437	}	2180	}
1438		2181
1439	sub do_load_sync {	2182	sub do_load_sync {
1440	my ($map) = @_;	2183	my ($map) = @_;
1441		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1442	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1443	}	2189	}
1444		2190
1445	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2192	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2193
1459	sub find_async {	2194	sub find_async {
1460	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1461		2196
1462	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1463		2198
1464	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2201	}
		2202
		2203	$MAP_PREFETCH{$path} |= $load;
		2204
		2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
		2208	while (%MAP_PREFETCH) {
		2209	while (my ($k, $v) = each %MAP_PREFETCH) {
		2210	if (my $map = find $k) {
		2211	$map->load if $v;
		2212	}
		2213
		2214	delete $MAP_PREFETCH{$k};
		2215	}
		2216	}
		2217	undef $MAP_PREFETCHER;
1466	}	2218	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2219	$MAP_PREFETCHER->prio (6);
1470		2220
1471	()	2221	()
1472	}	2222	}
1473		2223
1474	sub save {	2224	sub save {
1475	my ($self) = @_;	2225	my ($self) = @_;
1476		2226
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2228
1479	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1480		2230
1481	return unless $self->dirty;	2231	return unless $self->dirty;
1482		2232
…		…
1488	return if $self->{deny_save};	2238	return if $self->{deny_save};
1489		2239
1490	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1491		2241
1492	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1494	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1495		2248
1496	if ($uniq) {	2249	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2252	} else {
…		…
1505	my ($self) = @_;	2258	my ($self) = @_;
1506		2259
1507	# save first because save cedes	2260	# save first because save cedes
1508	$self->save;	2261	$self->save;
1509		2262
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2264
1512	return if $self->players;	2265	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1514	return if $self->{deny_save};	2267	return if $self->{deny_save};
1515		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2273	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2274	}
1519		2275
1520	sub reset_at {	2276	sub reset_at {
1521	my ($self) = @_;	2277	my ($self) = @_;
1522		2278
1523	# TODO: safety, remove and allow resettable per-player maps	2279	# 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};	2280	return 1e99 if $self->{deny_reset};
1526		2281
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2284
…		…
1540	my ($self) = @_;	2295	my ($self) = @_;
1541		2296
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2298
1544	return if $self->players;	2299	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2300
1547	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
		2302
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# need to save uniques path
		2306	unless ($self->{deny_save}) {
		2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2308
		2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2310	if $uniq;
		2311	}
1548		2312
1549	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1550		2314
1551	$self->in_memory (cf::MAP_SWAPPED);	2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2317	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2318
1556	$self->unlink_save;	2319	$self->unlink_save;
1557	$self->destroy;	2320	$self->destroy;
1558	}	2321	}
1559		2322
1560	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1561		2324
1562	sub nuke {	2325	sub nuke {
1563	my ($self) = @_;	2326	my ($self) = @_;
1564		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1565	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1566		2332
1567	$self->unlink_save;	2333	$self->unlink_save;
1568		2334
1569	bless $self, "cf::map";	2335	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2340
1575	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1576		2343
1577	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1578	}	2381	}
1579		2382
1580	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1581		2384
1582	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2386	instantiated unique items. May block.
1584		2387
1585	=cut	2388	=cut
1586		2389
1587	sub unique_maps() {	2390	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1589	or return;	2392	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2393	utf8::decode $_;
1595	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1597		2396	? ()
1598	s/\.map$//;	2397	: normalise $_
1599	push @paths, $_;	2398	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2399	]
1601
1602	\@paths
1603	}	2400	}
1604
1605	package cf;
1606		2401
1607	=back	2402	=back
1608		2403
1609	=head3 cf::object	2404	=head3 cf::object
1610		2405
…		…
1614		2409
1615	=over 4	2410	=over 4
1616		2411
1617	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1618		2413
1619	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1620		2416
1621	=cut	2417	=cut
1622		2418
1623	sub inv_recursive_;	2419	sub inv_recursive_;
1624	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1627		2423
1628	sub inv_recursive {	2424	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1630	}	2426	}
1631		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1632	package cf;	2456	package cf;
1633		2457
1634	=back	2458	=back
1635		2459
1636	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1645		2469
1646	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1647		2485
1648	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2487	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1653		2491
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2493
1656	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1658	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1661	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1662	}	2519	}
1663		2520
1664	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1665		2522
1666	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2555	=cut
1699		2556
1700	sub link_map {	2557	sub link_map {
1701	unless ($LINK_MAP) {	2558	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2559	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2560	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2561	$LINK_MAP->load;
1705	}	2562	}
1706		2563
1707	$LINK_MAP	2564	$LINK_MAP
1708	}	2565	}
…		…
1713	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1714		2571
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2573
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1719		2576
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2578	}
1722		2579
1723	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1725		2584
1726	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1727		2586
1728	unless ($map) {	2587	unless ($map) {
1729	# restore original map position	2588	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1746		2605
1747	$map->load;	2606	$map->load;
1748	$map->load_diag;	2607	$map->load_neighbours;
1749		2608
1750	return unless $self->contr->active;	2609	return unless $self->contr->active;
1751	$self->activate_recursive;	2610	$self->activate_recursive;
		2611
		2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1753	}	2614	}
1754		2615
1755	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2617
1759	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1763	};	2622	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2623
1769	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1770	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1771	if ($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		2626
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1790		2630
1791	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2636
1794	$self->enter_link;	2637	$self->enter_link;
1795		2638
1796	(async {	2639	(async {
1797	my $map = cf::map::find $path;	2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
		2661	my $map = eval {
		2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
1799		2666	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2667	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
1804		2670
		2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
		2677	}
		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1806	})->prio (1);	2685	})->prio (1);
1807	}	2686	}
1808		2687
1809	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1810		2689
…		…
1815		2694
1816	my $rmp = { # defaults	2695	my $rmp = { # defaults
1817	xsize => (cf::rndm 15, 40),	2696	xsize => (cf::rndm 15, 40),
1818	ysize => (cf::rndm 15, 40),	2697	ysize => (cf::rndm 15, 40),
1819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),	2698	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1820	#layout => string	2699	#layout => string,
1821	};	2700	};
1822		2701
1823	for (split /\n/, $spec) {	2702	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2703	my ($k, $v) = split /\s+/, $_, 2;
1825		2704
…		…
1829	$rmp	2708	$rmp
1830	}	2709	}
1831		2710
1832	sub prepare_random_map {	2711	sub prepare_random_map {
1833	my ($exit) = @_;	2712	my ($exit) = @_;
1834
1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1836		2713
1837	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1838	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1839	# that depends on the exit object	2716	# that depends on the exit object
1840		2717
1841	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
1842		2719
1843	if ($exit->map) {	2720	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2721	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1848	}	2727	}
1849		2728
1850	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1851		2730
1852	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1853	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1855		2734
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2737	undef $fh;
1859	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1860		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1861	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1862	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1863	}	2746	}
1864	}	2747	}
1865		2748
1866	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
…		…
1869	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1870		2753
1871	$self->enter_link;	2754	$self->enter_link;
1872		2755
1873	(async {	2756	(async {
1874	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1875	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
1876	prepare_random_map $exit	2766	prepare_random_map $exit
1877	if $exit->slaying eq "/!";	2767	if $exit->slaying eq "/!";
		2768	}
1878		2769
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
1881		2773
		2774	$self->goto ($map, $x, $y);
		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1882	1;	2780	1
1883	}) {	2781	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1885	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2786
1889	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2788	$self->leave_link;
1891	}	2789	}
1892	})->prio (1);	2790	})->prio (1);
…		…
1905		2803
1906	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1908		2806
1909	utf8::encode $text;	2807	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2809	}
1912		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	my $pkt = "msg "
		2913	. $self->{json_coder}->encode (
		2914	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2915	);
		2916
		2917	# try lzf for large packets
		2918	$pkt = "lzf " . Compress::LZF::compress $pkt
		2919	if 1024 <= length $pkt and $self->{can_lzf};
		2920
		2921	# split very large packets
		2922	if (8192 < length $pkt and $self->{can_lzf}) {
		2923	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2924	$pkt = "frag";
		2925	}
		2926
		2927	$self->send_packet ($pkt);
		2928	} else {
		2929	if ($color >= 0) {
		2930	# replace some tags by gcfclient-compatible ones
		2931	for ($msg) {
		2932	1 while
		2933	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2934	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2935	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2936	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2937	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2938	}
		2939
		2940	$color &= cf::NDI_COLOR_MASK;
		2941
		2942	utf8::encode $msg;
		2943
		2944	if (0 && $msg =~ /\[/) {
		2945	# COMMAND/INFO
		2946	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2947	} else {
		2948	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2949	$self->send_packet ("drawinfo $color $msg")
		2950	}
		2951	}
		2952	}
		2953	}
		2954
		2955	=item $client->ext_msg ($type, @msg)
		2956
		2957	Sends an ext event to the client.
		2958
		2959	=cut
		2960
		2961	sub cf::client::ext_msg($$@) {
		2962	my ($self, $type, @msg) = @_;
		2963
		2964	if ($self->extcmd == 2) {
		2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2966	} elsif ($self->extcmd == 1) { # TODO: remove
		2967	push @msg, msgtype => "event_$type";
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
		2971
		2972	=item $client->ext_reply ($msgid, @msg)
		2973
		2974	Sends an ext reply to the client.
		2975
		2976	=cut
		2977
		2978	sub cf::client::ext_reply($$@) {
		2979	my ($self, $id, @msg) = @_;
		2980
		2981	if ($self->extcmd == 2) {
		2982	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2983	} elsif ($self->extcmd == 1) {
		2984	#TODO: version 1, remove
		2985	unshift @msg, msgtype => "reply", msgid => $id;
		2986	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2987	}
		2988	}
1913		2989
1914	=item $success = $client->query ($flags, "text", \&cb)	2990	=item $success = $client->query ($flags, "text", \&cb)
1915		2991
1916	Queues a query to the client, calling the given callback with	2992	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>,	2993	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>.	2994	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919		2995
1920	Queries can fail, so check the return code. Or don't, as queries will become	2996	Queries can fail, so check the return code. Or don't, as queries will
1921	reliable at some point in the future.	2997	become reliable at some point in the future.
1922		2998
1923	=cut	2999	=cut
1924		3000
1925	sub cf::client::query {	3001	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	3002	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	3010	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3011	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		3012
1937	$self->send_packet ($self->{query_queue}[0][0])	3013	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	3014	if @{ $self->{query_queue} } == 1;
		3015
		3016	1
1939	}	3017	}
1940		3018
1941	cf::client->attach (	3019	cf::client->attach (
		3020	on_connect => sub {
		3021	my ($ns) = @_;
		3022
		3023	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3024	},
1942	on_reply => sub {	3025	on_reply => sub {
1943	my ($ns, $msg) = @_;	3026	my ($ns, $msg) = @_;
1944		3027
1945	# this weird shuffling is so that direct followup queries	3028	# this weird shuffling is so that direct followup queries
1946	# get handled first	3029	# get handled first
1947	my $queue = delete $ns->{query_queue}	3030	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	3031	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		3032
1950	(shift @$queue)->[1]->($msg);	3033	(shift @$queue)->[1]->($msg);
		3034	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		3035
1952	push @{ $ns->{query_queue} }, @$queue;	3036	push @{ $ns->{query_queue} }, @$queue;
1953		3037
1954	if (@{ $ns->{query_queue} } == @$queue) {	3038	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	3039	if (@$queue) {
…		…
1957	} else {	3041	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3042	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	3043	}
1960	}	3044	}
1961	},	3045	},
		3046	on_exticmd => sub {
		3047	my ($ns, $buf) = @_;
		3048
		3049	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3050
		3051	if (ref $msg) {
		3052	my ($type, $reply, @payload) =
		3053	"ARRAY" eq ref $msg
		3054	? @$msg
		3055	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3056
		3057	my @reply;
		3058
		3059	if (my $cb = $EXTICMD{$type}) {
		3060	@reply = $cb->($ns, @payload);
		3061	}
		3062
		3063	$ns->ext_reply ($reply, @reply)
		3064	if $reply;
		3065
		3066	} else {
		3067	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3068	}
		3069
		3070	cf::override;
		3071	},
1962	);	3072	);
1963		3073
1964	=item $client->async (\&cb)	3074	=item $client->async (\&cb)
1965		3075
1966	Create a new coroutine, running the specified callback. The coroutine will	3076	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	3117	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	3118	our $safe_hole = new Safe::Hole;
2009		3119
2010	$SIG{FPE} = 'IGNORE';	3120	$SIG{FPE} = 'IGNORE';
2011		3121
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3122	$safe->permit_only (Opcode::opset qw(
		3123	:base_core :base_mem :base_orig :base_math
		3124	grepstart grepwhile mapstart mapwhile
		3125	sort time
		3126	));
2013		3127
2014	# here we export the classes and methods available to script code	3128	# here we export the classes and methods available to script code
2015		3129
2016	=pod	3130	=pod
2017		3131
2018	The following fucntions and emthods are available within a safe environment:	3132	The following functions and methods are available within a safe environment:
2019		3133
2020	cf::object contr pay_amount pay_player map	3134	cf::object
		3135	contr pay_amount pay_player map x y force_find force_add destroy
		3136	insert remove name archname title slaying race decrease split
		3137
2021	cf::object::player player	3138	cf::object::player
2022	cf::player peaceful	3139	player
2023	cf::map trigger	3140
		3141	cf::player
		3142	peaceful
		3143
		3144	cf::map
		3145	trigger
2024		3146
2025	=cut	3147	=cut
2026		3148
2027	for (	3149	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	3150	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3151	insert remove inv nrof name archname title slaying race
		3152	decrease split destroy change_exp)],
2029	["cf::object::player" => qw(player)],	3153	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3154	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	3155	["cf::map" => qw(trigger)],
2032	) {	3156	) {
2033	no strict 'refs';	3157	no strict 'refs';
…		…
2104	=back	3228	=back
2105		3229
2106	=cut	3230	=cut
2107		3231
2108	#############################################################################	3232	#############################################################################
		3233	# the server's init and main functions
2109		3234
2110	=head2 EXTENSION DATABASE SUPPORT	3235	sub load_facedata($) {
		3236	my ($path) = @_;
2111		3237
2112	Crossfire maintains a very simple database for extension use. It can	3238	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3239	# for this (global event?)
2114	excludes objects.	3240	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3241
2116	The parameter C<$family> should best start with the name of the extension	3242	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3243
2119	=over 4	3244	warn "loading facedata from $path\n";
2120		3245
2121	=item $hashref = cf::db_get $family	3246	my $facedata;
		3247	0 < aio_load $path, $facedata
		3248	or die "$path: $!";
2122		3249
2123	Return a hashref for use by the extension C<$family>, which can be	3250	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3251
2127	=item $value = cf::db_get $family => $key	3252	$facedata->{version} == 2
		3253	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3254
2129	Returns a single value from the database	3255	# patch in the exptable
2130		3256	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	3257	type => FT_RSRC,
2132		3258	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 => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	3259	};
		3260	cf::cede_to_tick;
2182		3261
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3262	{
		3263	my $faces = $facedata->{faceinfo};
2187		3264
2188	sub db_get($;$) {	3265	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}
2191	: ($DB->{$_[0]} ||= { })
2192	}
2193		3267
2194	sub db_put($$;$) {	3268	cf::face::set_visibility $idx, $info->{visibility};
2195	if (@_ >= 3) {	3269	cf::face::set_magicmap $idx, $info->{magicmap};
2196	$DB->{$_[0]}{$_[1]} = $_[2];	3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2197	} else {	3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202		3272
2203	cf::global->attach (	3273	cf::cede_to_tick;
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	3274	}
2208	);
2209	}
2210		3275
2211	#############################################################################	3276	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3277	next unless $info->{smooth};
2213		3278
2214	sub cfg_load {	3279	my $idx = cf::face::find $face
		3280	or next;
		3281
		3282	if (my $smooth = cf::face::find $info->{smooth}) {
		3283	cf::face::set_smooth $idx, $smooth;
		3284	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3285	} else {
		3286	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3287	}
		3288
		3289	cf::cede_to_tick;
		3290	}
		3291	}
		3292
		3293	{
		3294	my $anims = $facedata->{animinfo};
		3295
		3296	while (my ($anim, $info) = each %$anims) {
		3297	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3298	cf::cede_to_tick;
		3299	}
		3300
		3301	cf::anim::invalidate_all; # d'oh
		3302	}
		3303
		3304	{
		3305	# TODO: for gcfclient pleasure, we should give resources
		3306	# that gcfclient doesn't grok a >10000 face index.
		3307	my $res = $facedata->{resource};
		3308
		3309	while (my ($name, $info) = each %$res) {
		3310	if (defined $info->{type}) {
		3311	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3312	my $data;
		3313
		3314	if ($info->{type} & 1) {
		3315	# prepend meta info
		3316
		3317	my $meta = $enc->encode ({
		3318	name => $name,
		3319	%{ $info->{meta} || {} },
		3320	});
		3321
		3322	$data = pack "(w/a*)*", $meta, $info->{data};
		3323	} else {
		3324	$data = $info->{data};
		3325	}
		3326
		3327	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3328	cf::face::set_type $idx, $info->{type};
		3329	} else {
		3330	$RESOURCE{$name} = $info;
		3331	}
		3332
		3333	cf::cede_to_tick;
		3334	}
		3335	}
		3336
		3337	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3338
		3339	1
		3340	}
		3341
		3342	cf::global->attach (on_resource_update => sub {
		3343	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3344	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3345
		3346	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3347	my $sound = $soundconf->{compat}[$_]
		3348	or next;
		3349
		3350	my $face = cf::face::find "sound/$sound->[1]";
		3351	cf::sound::set $sound->[0] => $face;
		3352	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3353	}
		3354
		3355	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3356	my $face = cf::face::find "sound/$v";
		3357	cf::sound::set $k => $face;
		3358	}
		3359	}
		3360	});
		3361
		3362	register_exticmd fx_want => sub {
		3363	my ($ns, $want) = @_;
		3364
		3365	while (my ($k, $v) = each %$want) {
		3366	$ns->fx_want ($k, $v);
		3367	}
		3368	};
		3369
		3370	sub load_resource_file($) {
		3371	my $guard = lock_acquire "load_resource_file";
		3372
		3373	my $status = load_resource_file_ $_[0];
		3374	get_slot 0.1, 100;
		3375	cf::arch::commit_load;
		3376
		3377	$status
		3378	}
		3379
		3380	sub reload_regions {
		3381	# HACK to clear player env face cache, we need some signal framework
		3382	# for this (global event?)
		3383	%ext::player_env::MUSIC_FACE_CACHE = ();
		3384
		3385	load_resource_file "$MAPDIR/regions"
		3386	or die "unable to load regions file\n";
		3387
		3388	for (cf::region::list) {
		3389	$_->{match} = qr/$_->{match}/
		3390	if exists $_->{match};
		3391	}
		3392	}
		3393
		3394	sub reload_facedata {
		3395	load_facedata "$DATADIR/facedata"
		3396	or die "unable to load facedata\n";
		3397	}
		3398
		3399	sub reload_archetypes {
		3400	load_resource_file "$DATADIR/archetypes"
		3401	or die "unable to load archetypes\n";
		3402	}
		3403
		3404	sub reload_treasures {
		3405	load_resource_file "$DATADIR/treasures"
		3406	or die "unable to load treasurelists\n";
		3407	}
		3408
		3409	sub reload_resources {
		3410	warn "reloading resource files...\n";
		3411
		3412	reload_facedata;
		3413	reload_archetypes;
		3414	reload_regions;
		3415	reload_treasures;
		3416
		3417	warn "finished reloading resource files\n";
		3418	}
		3419
		3420	sub init {
		3421	my $guard = freeze_mainloop;
		3422
		3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	reload_resources;
		3426	}
		3427
		3428	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3429	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3430	or return;
2217		3431
2218	local $/;	3432	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3433	*CFG = YAML::Load <$fh>;
2220		3434
2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2222		3436
2223	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3437	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2224	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3438	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2235	sub main {	3449	sub main {
2236	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2239	(async {	3453	(async {
2240	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
2241	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
2242	};	3457	};
2243		3458
2244	cfg_load;	3459	{
2245	db_load;	3460	my $guard = freeze_mainloop;
		3461	reload_config;
		3462	db_init;
2246	load_extensions;	3463	load_extensions;
		3464
		3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466	}
		3467
2247	Event::loop;	3468	EV::loop;
2248	}	3469	}
2249		3470
2250	#############################################################################	3471	#############################################################################
2251	# initialisation and cleanup	3472	# initialisation and cleanup
2252		3473
2253	# install some emergency cleanup handlers	3474	# install some emergency cleanup handlers
2254	BEGIN {	3475	BEGIN {
		3476	our %SIGWATCHER = ();
2255	for my $signal (qw(INT HUP TERM)) {	3477	for my $signal (qw(INT HUP TERM)) {
2256	Event->signal (	3478	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2257	data => WF_AUTOCANCEL,
2258	signal => $signal,
2259	cb => sub {
2260	cf::cleanup "SIG$signal";	3479	cf::cleanup "SIG$signal";
2261	},
2262	);	3480	};
		3481	}
		3482	}
		3483
		3484	sub write_runtime_sync {
		3485	my $runtime = "$LOCALDIR/runtime";
		3486
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $runtime, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$runtime~", $runtime
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2263	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3537	$uuid_skip = 0;
		3538
		3539	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3540	and return;
		3541
		3542	# always fsync - this file is important
		3543	aio_fsync $fh
		3544	and return;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$uuid~", $uuid
		3550	and return;
		3551
		3552	warn "uuid file written ($value).\n";
		3553
		3554	1
		3555
		3556	}
		3557
		3558	sub write_uuid($$) {
		3559	my ($skip, $sync) = @_;
		3560
		3561	$sync ? write_uuid_sync $skip
		3562	: async { write_uuid_sync $skip };
2264	}	3563	}
2265		3564
2266	sub emergency_save() {	3565	sub emergency_save() {
2267	my $freeze_guard = cf::freeze_mainloop;	3566	my $freeze_guard = cf::freeze_mainloop;
2268		3567
…		…
2274	# and maps saved/destroyed asynchronously.	3573	# and maps saved/destroyed asynchronously.
2275	warn "begin emergency player save\n";	3574	warn "begin emergency player save\n";
2276	for my $login (keys %cf::PLAYER) {	3575	for my $login (keys %cf::PLAYER) {
2277	my $pl = $cf::PLAYER{$login} or next;	3576	my $pl = $cf::PLAYER{$login} or next;
2278	$pl->valid or next;	3577	$pl->valid or next;
		3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2279	$pl->save;	3579	$pl->save;
2280	}	3580	}
2281	warn "end emergency player save\n";	3581	warn "end emergency player save\n";
2282		3582
2283	warn "begin emergency map save\n";	3583	warn "begin emergency map save\n";
…		…
2285	my $map = $cf::MAP{$path} or next;	3585	my $map = $cf::MAP{$path} or next;
2286	$map->valid or next;	3586	$map->valid or next;
2287	$map->save;	3587	$map->save;
2288	}	3588	}
2289	warn "end emergency map save\n";	3589	warn "end emergency map save\n";
		3590
		3591	warn "begin emergency database checkpoint\n";
		3592	BDB::db_env_txn_checkpoint $DB_ENV;
		3593	warn "end emergency database checkpoint\n";
		3594
		3595	warn "begin write uuid\n";
		3596	write_uuid_sync 1;
		3597	warn "end write uuid\n";
2290	};	3598	};
2291		3599
2292	warn "leave emergency perl save\n";	3600	warn "leave emergency perl save\n";
2293	}	3601	}
2294		3602
		3603	sub post_cleanup {
		3604	my ($make_core) = @_;
		3605
		3606	warn Carp::longmess "post_cleanup backtrace"
		3607	if $make_core;
		3608	}
		3609
		3610	# a safer delete_package, copied from Symbol
		3611	sub clear_package($) {
		3612	my $pkg = shift;
		3613
		3614	# expand to full symbol table name if needed
		3615	unless ($pkg =~ /^main::.*::$/) {
		3616	$pkg = "main$pkg" if $pkg =~ /^::/;
		3617	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3618	$pkg .= '::' unless $pkg =~ /::$/;
		3619	}
		3620
		3621	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3622	my $stem_symtab = *{$stem}{HASH};
		3623
		3624	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3625	or return;
		3626
		3627	# clear all symbols
		3628	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3629	for my $name (keys %$leaf_symtab) {
		3630	_gv_clear *{"$pkg$name"};
		3631	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3632	}
		3633	warn "cleared package #$pkg\n";#d#
		3634	}
		3635
		3636	our $RELOAD; # how many times to reload
		3637
2295	sub reload() {	3638	sub do_reload_perl() {
2296	# can/must only be called in main	3639	# can/must only be called in main
2297	if ($Coro::current != $Coro::main) {	3640	if ($Coro::current != $Coro::main) {
2298	warn "can only reload from main coroutine\n";	3641	warn "can only reload from main coroutine";
2299	return;	3642	return;
2300	}	3643	}
2301		3644
		3645	return if $RELOAD++;
		3646
		3647	while ($RELOAD) {
2302	warn "reloading...";	3648	warn "reloading...";
2303		3649
2304	warn "freezing server";	3650	warn "entering sync_job";
2305	my $guard = freeze_mainloop;	3651
		3652	cf::sync_job {
		3653	cf::write_runtime_sync; # external watchdog should not bark
2306	cf::emergency_save;	3654	cf::emergency_save;
		3655	cf::write_runtime_sync; # external watchdog should not bark
2307		3656
2308	warn "sync database to disk";	3657	warn "syncing database to disk";
2309	cf::db_sync;	3658	BDB::db_env_txn_checkpoint $DB_ENV;
2310	IO::AIO::flush;
2311		3659
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved	3660	# if anything goes wrong in here, we should simply crash as we already saved
2314		3661
2315	warn "cancel all watchers";	3662	warn "flushing outstanding aio requests";
2316	for (Event::all_watchers) {	3663	while (IO::AIO::nreqs || BDB::nreqs) {
2317	$_->cancel if $_->data & WF_AUTOCANCEL;	3664	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2318	}
2319
2320	warn "cancel all extension coros";
2321	$_->cancel for values %EXT_CORO;
2322	%EXT_CORO = ();
2323
2324	warn "remove commands";
2325	%COMMAND = ();
2326
2327	warn "remove ext commands";
2328	%EXTCMD = ();
2329
2330	warn "unload/nuke all extensions";
2331	for my $pkg (@EXTS) {
2332	warn "... unloading $pkg";
2333
2334	if (my $cb = $pkg->can ("unload")) {
2335	eval {
2336	$cb->($pkg);
2337	1
2338	} or warn "$pkg unloaded, but with errors: $@";
2339	}	3665	}
2340		3666
		3667	warn "cancelling all extension coros";
		3668	$_->cancel for values %EXT_CORO;
		3669	%EXT_CORO = ();
		3670
		3671	warn "removing commands";
		3672	%COMMAND = ();
		3673
		3674	warn "removing ext/exti commands";
		3675	%EXTCMD = ();
		3676	%EXTICMD = ();
		3677
		3678	warn "unloading/nuking all extensions";
		3679	for my $pkg (@EXTS) {
2341	warn "... nuking $pkg";	3680	warn "... unloading $pkg";
2342	Symbol::delete_package $pkg;
2343	}
2344		3681
2345	warn "unload all perl modules loaded from $LIBDIR";
2346	while (my ($k, $v) = each %INC) {
2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348
2349	warn "removing <$k>";
2350	delete $INC{$k};
2351
2352	$k =~ s/\.pm$//;
2353	$k =~ s/\//::/g;
2354
2355	if (my $cb = $k->can ("unload_module")) {	3682	if (my $cb = $pkg->can ("unload")) {
		3683	eval {
2356	$cb->();	3684	$cb->($pkg);
		3685	1
		3686	} or warn "$pkg unloaded, but with errors: $@";
		3687	}
		3688
		3689	warn "... clearing $pkg";
		3690	clear_package $pkg;
2357	}	3691	}
2358		3692
2359	Symbol::delete_package $k;	3693	warn "unloading all perl modules loaded from $LIBDIR";
		3694	while (my ($k, $v) = each %INC) {
		3695	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3696
		3697	warn "... unloading $k";
		3698	delete $INC{$k};
		3699
		3700	$k =~ s/\.pm$//;
		3701	$k =~ s/\//::/g;
		3702
		3703	if (my $cb = $k->can ("unload_module")) {
		3704	$cb->();
		3705	}
		3706
		3707	clear_package $k;
2360	}	3708	}
2361		3709
2362	warn "get rid of safe::, as good as possible";	3710	warn "getting rid of safe::, as good as possible";
2363	Symbol::delete_package "safe::$_"	3711	clear_package "safe::$_"
2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3712	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2365		3713
2366	warn "unload cf.pm \"a bit\"";	3714	warn "unloading cf.pm \"a bit\"";
2367	delete $INC{"cf.pm"};	3715	delete $INC{"cf.pm"};
		3716	delete $INC{"cf/pod.pm"};
2368		3717
2369	# don't, removes xs symbols, too,	3718	# don't, removes xs symbols, too,
2370	# and global variables created in xs	3719	# and global variables created in xs
2371	#Symbol::delete_package __PACKAGE__;	3720	#clear_package __PACKAGE__;
2372		3721
		3722	warn "unload completed, starting to reload now";
		3723
2373	warn "reloading cf.pm";	3724	warn "reloading cf.pm";
2374	require cf;	3725	require cf;
2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2376		3727
2377	warn "load config and database again";	3728	warn "loading config and database again";
2378	cf::cfg_load;	3729	cf::reload_config;
2379	cf::db_load;
2380		3730
2381	warn "load extensions";	3731	warn "loading extensions";
2382	cf::load_extensions;	3732	cf::load_extensions;
2383		3733
2384	warn "reattach attachments to objects/players";	3734	warn "reattaching attachments to objects/players";
2385	_global_reattach;	3735	_global_reattach; # objects, sockets
2386	warn "reattach attachments to maps";	3736	warn "reattaching attachments to maps";
2387	reattach $_ for values %MAP;	3737	reattach $_ for values %MAP;
		3738	warn "reattaching attachments to players";
		3739	reattach $_ for values %PLAYER;
		3740
		3741	warn "leaving sync_job";
		3742
		3743	1
		3744	} or do {
		3745	warn $@;
		3746	cf::cleanup "error while reloading, exiting.";
		3747	};
		3748
		3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752	};
		3753
		3754	our $RELOAD_WATCHER; # used only during reload
		3755
		3756	sub reload_perl() {
		3757	# doing reload synchronously and two reloads happen back-to-back,
		3758	# coro crashes during coro_state_free->destroy here.
		3759
		3760	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
2388	};	3763	};
2389		3764	}
2390	if ($@) {
2391	warn $@;
2392	warn "error while reloading, exiting.";
2393	exit 1;
2394	}
2395
2396	warn "reloaded";
2397	};
2398
2399	our $RELOAD_WATCHER; # used only during reload
2400		3765
2401	register_command "reload" => sub {	3766	register_command "reload" => sub {
2402	my ($who, $arg) = @_;	3767	my ($who, $arg) = @_;
2403		3768
2404	if ($who->flag (FLAG_WIZ)) {	3769	if ($who->flag (FLAG_WIZ)) {
2405	$who->message ("reloading server.");	3770	$who->message ("reloading server.");
2406		3771	async {
2407	# doing reload synchronously and two reloads happen back-to-back,	3772	$Coro::current->{desc} = "perl_reload";
2408	# coro crashes during coro_state_free->destroy here.
2409
2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2411	reload;	3773	reload_perl;
2412	undef $RELOAD_WATCHER;
2413	});	3774	};
2414	}	3775	}
2415	};	3776	};
2416		3777
2417	unshift @INC, $LIBDIR;	3778	unshift @INC, $LIBDIR;
2418		3779
2419	$TICK_WATCHER = Event->timer (	3780	my $bug_warning = 0;
2420	reentrant => 0,
2421	prio => 0,
2422	at => $NEXT_TICK || $TICK,
2423	data => WF_AUTOCANCEL,
2424	cb => sub {
2425	$NOW = Event::time;
2426		3781
		3782	our @WAIT_FOR_TICK;
		3783	our @WAIT_FOR_TICK_BEGIN;
		3784
		3785	sub wait_for_tick {
		3786	return if tick_inhibit || $Coro::current == $Coro::main;
		3787
		3788	my $signal = new Coro::Signal;
		3789	push @WAIT_FOR_TICK, $signal;
		3790	$signal->wait;
		3791	}
		3792
		3793	sub wait_for_tick_begin {
		3794	return if tick_inhibit || $Coro::current == $Coro::main;
		3795
		3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK_BEGIN, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub tick {
		3802	if ($Coro::current != $Coro::main) {
		3803	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3804	unless ++$bug_warning > 10;
		3805	return;
		3806	}
		3807
2427	cf::server_tick; # one server iteration	3808	cf::server_tick; # one server iteration
2428	$RUNTIME += $TICK;
2429	$NEXT_TICK += $TICK;
2430		3809
2431	$WAIT_FOR_TICK->broadcast;	3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2433		3812	Coro::async_pool {
2434	# if we are delayed by four ticks or more, skip them all	3813	$Coro::current->{desc} = "runtime saver";
2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2436
2437	$TICK_WATCHER->at ($NEXT_TICK);
2438	$TICK_WATCHER->start;
2439	},
2440	);
2441
2442	IO::AIO::max_poll_time $TICK * 0.2;
2443
2444	$AIO_POLL_WATCHER = Event->io (
2445	fd => IO::AIO::poll_fileno,
2446	poll => 'r',
2447	prio => 5,
2448	data => WF_AUTOCANCEL,
2449	cb => \&IO::AIO::poll_cb,
2450	);
2451
2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2453	data => WF_AUTOCANCEL,
2454	after => 0,
2455	interval => 10,
2456	cb => sub {
2457	(Coro::unblock_sub {
2458	write_runtime	3814	write_runtime_sync
2459	or warn "ERROR: unable to write runtime file: $!";	3815	or warn "ERROR: unable to write runtime file: $!";
2460	})->();	3816	};
2461	},	3817	}
2462	);	3818
		3819	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3820	$sig->send;
		3821	}
		3822	while (my $sig = shift @WAIT_FOR_TICK) {
		3823	$sig->send;
		3824	}
		3825
		3826	$LOAD = ($NOW - $TICK_START) / $TICK;
		3827	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3828
		3829	if (0) {
		3830	if ($NEXT_TICK) {
		3831	my $jitter = $TICK_START - $NEXT_TICK;
		3832	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3833	warn "jitter $JITTER\n";#d#
		3834	}
		3835	}
		3836	}
		3837
		3838	{
		3839	# configure BDB
		3840
		3841	BDB::min_parallel 8;
		3842	BDB::max_poll_reqs $TICK * 0.1;
		3843	$AnyEvent::BDB::WATCHER->priority (1);
		3844
		3845	unless ($DB_ENV) {
		3846	$DB_ENV = BDB::db_env_create;
		3847	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3848	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3849	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3850	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3851	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3852
		3853	cf::sync_job {
		3854	eval {
		3855	BDB::db_env_open
		3856	$DB_ENV,
		3857	$BDBDIR,
		3858	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3859	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3860	0666;
		3861
		3862	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3863	};
		3864
		3865	cf::cleanup "db_env_open(db): $@" if $@;
		3866	};
		3867	}
		3868
		3869	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3870	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3871	};
		3872	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3873	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3874	};
		3875	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3876	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3877	};
		3878	}
		3879
		3880	{
		3881	# configure IO::AIO
		3882
		3883	IO::AIO::min_parallel 8;
		3884	IO::AIO::max_poll_time $TICK * 0.1;
		3885	undef $AnyEvent::AIO::WATCHER;
		3886	}
		3887
		3888	my $_log_backtrace;
		3889
		3890	sub _log_backtrace {
		3891	my ($msg, @addr) = @_;
		3892
		3893	$msg =~ s/\n//;
		3894
		3895	# limit the # of concurrent backtraces
		3896	if ($_log_backtrace < 2) {
		3897	++$_log_backtrace;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $msg\n";
		3919	LOG llevInfo, "[ABT] $_\n" for @bt;
		3920	--$_log_backtrace;
		3921	};
		3922	} else {
		3923	LOG llevInfo, "[ABT] $msg\n";
		3924	LOG llevInfo, "[ABT] [suppressed]\n";
		3925	}
		3926	}
		3927
		3928	# load additional modules
		3929	use cf::pod;
2463		3930
2464	END { cf::emergency_save }	3931	END { cf::emergency_save }
2465		3932
2466	1	3933	1
2467		3934

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