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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.441 by root, Sat Aug 30 05:19:03 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	85
		86	our $CONFDIR = confdir;
		87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
60		98
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	101	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	107	our $DB_ENV;
71		108
72	our %CFG;	109	our %CFG;
73		110
74	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
76		114
77	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		118
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $TICK_START; # for load detecting purposes
		126
86	binmode STDOUT;	127	binmode STDOUT;
87	binmode STDERR;	128	binmode STDERR;
88		129
89	# read virtual server time, if available	130	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
94	}	135	}
95		136
96	mkdir cf::localdir;	137	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		139
103	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
104		141
105	sub cf::map::normalise;	142	sub cf::map::normalise;
106		143
…		…
117	=item $cf::RUNTIME	154	=item $cf::RUNTIME
118		155
119	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
120	every server tick.	157	every server tick.
121		158
122	=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
123		162
124	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		167
127	=item $cf::NOW	168	=item $cf::NOW
128		169
129	The time of the last (current) server tick.	170	The time of the last (current) server tick.
130		171
131	=item $cf::TICK	172	=item $cf::TICK
132		173
133	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	186	=item %cf::CFG
136		187
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	189	from wherever your confdir points to.
139		190
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		192
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	194	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		202
146	=back	203	=back
147		204
148	=cut	205	=cut
149		206
150	BEGIN {	207	BEGIN {
…		…
152	my $msg = join "", @_;	209	my $msg = join "", @_;
153		210
154	$msg .= "\n"	211	$msg .= "\n"
155	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
156		213
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		215
159	utf8::encode $msg;
160	LOG llevError, $msg;	216	LOG llevError, $msg;
161	};	217	};
162	}	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#?
163		234
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		242
171	# 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
172	# within the Safe compartment.	244	# within the Safe compartment.
173	for my $pkg (qw(	245	for my $pkg (qw(
174	cf::global cf::attachable	246	cf::global cf::attachable
175	cf::object cf::object::player	247	cf::object cf::object::player
176	cf::client cf::player	248	cf::client cf::player
177	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
178	cf::map cf::party cf::region	251	cf::party cf::region
179	)) {	252	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	254	}
183		255
184	$Event::DIED = sub {	256	$EV::DIED = sub {
185	warn "error in event callback: @_";	257	warn "error in event callback: @_";
186	};	258	};
		259
		260	#############################################################################
187		261
188	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
189		263
190	=over 4	264	=over 4
191		265
…		…
210	$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;
211	$d	285	$d
212	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
213	}	287	}
214		288
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
218		290
219	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
220		292
221	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
222		294
223	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
224		303
225	=item cf::lock_wait $string	304	=item cf::lock_wait $string
226		305
227	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
228		307
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
234	returned.	313	returned.
235		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
236	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
237	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
238		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
239	=cut	325	=cut
240		326
241	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
242		329
243	sub lock_wait($) {	330	sub lock_wait($) {
244	my ($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#
245		337
246	# wait for lock, if any	338	# wait for lock, if any
247	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	341	Coro::schedule;
…		…
255		347
256	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
257	lock_wait $key;	349	lock_wait $key;
258		350
259	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
260		353
261	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
264	}	358	}
265	}	359	}
266		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
267	sub freeze_mainloop {	367	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
269		369
270	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
272	};	431	}
273	$TICK_WATCHER->stop;	432	};
274	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
275	}	446	}
276		447
277	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
278		449
279	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		455
285	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
286		457
287	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
288		459
289	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
292		464
293	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
296	fast or be very important.	468	fast or be very important.
…		…
299		471
300	sub sync_job(&) {	472	sub sync_job(&) {
301	my ($job) = @_;	473	my ($job) = @_;
302		474
303	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
304	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
306		480
307	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	482
309	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
310		484
311	my $busy = 1;	485	my $busy = 1;
312	my @res;	486	my @res;
313		487
314	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	490	@res = eval { $job->() };
316	warn $@ if $@;	491	warn $@ if $@;
317	undef $busy;	492	undef $busy;
318	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
319		494
320	while ($busy) {	495	while ($busy) {
321	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
322	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
323		506
324	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
325	} else {	508	} else {
326	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
327		510
…		…
347	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
348		531
349	$coro	532	$coro
350	}	533	}
351		534
352	sub write_runtime {	535	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		536
355	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
356		541
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
358	or return;
359		543
360	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		546
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
365	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
366		550
367	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	552	reset_signals;
369	and return;	553	&$cb
		554	}, @args;
370		555
371	close $fh	556	wantarray ? @res : $res[-1]
372	or return;	557	}
373		558
374	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
375	and return;
376		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
377	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
378	}	711	}
379		712
380	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
381		714
382	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
402		735
403	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>
404	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
405	crossfire+).	738	Deliantra).
406		739
407	=over 4	740	=over 4
408		741
409	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
410		743
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
574		907
575	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		912
580	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	914	my $pkg = shift @arg;
582		915
583	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
613	}	946	}
614		947
615	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
616	} else {	949	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	951	}
619		952
620	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
621	}	954	}
622		955
…		…
624	if (ref $_[0]) {	957	if (ref $_[0]) {
625	_object_attach @_;	958	_object_attach @_;
626	} else {	959	} else {
627	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
628	}	961	}
		962	_recalc_want;
629	};	963	};
630		964
631	# all those should be optimised	965	# all those should be optimised
632	sub cf::attachable::detach {	966	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
637	reattach ($obj);	971	reattach ($obj);
638	} else {	972	} else {
639	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
640	}	974	}
		975	_recalc_want;
641	};	976	};
642		977
643	sub cf::attachable::attached {	978	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
645		980
…		…
660	";	995	";
661	die if $@;	996	die if $@;
662	}	997	}
663		998
664	our $override;	999	our $override;
665	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?
666		1001
667	sub override {	1002	sub override {
668	$override = 1;	1003	$override = 1;
669	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
670	}	1005	}
671		1006
672	sub do_invoke {	1007	sub do_invoke {
673	my $event = shift;	1008	my $event = shift;
674	my $callbacks = shift;	1009	my $callbacks = shift;
675		1010
676	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
677		1012
678	local $override;	1013	local $override;
679		1014
680	for (@$callbacks) {	1015	for (@$callbacks) {
681	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
690	}	1025	}
691		1026
692	0	1027	0
693	}	1028	}
694		1029
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1031
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1033
699	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
700		1035
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1039
705	=back	1040	=back
706		1041
707	=cut	1042	=cut
708		1043
709	#############################################################################	1044	#############################################################################
710	# 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, $ob2
		1087	}
711		1088
712	sub reattach {	1089	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1091	my ($obj) = @_;
715		1092
		1093	# no longer needed after getting rid of delete_package?
716	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
717		1095
718	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
719		1097
720	@$registry = ();	1098	@$registry = ();
721		1099
…		…
736	cf::attachable->attach (	1114	cf::attachable->attach (
737	prio => -1000000,	1115	prio => -1000000,
738	on_instantiate => sub {	1116	on_instantiate => sub {
739	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
740		1118
741	$data = from_json $data;	1119	$data = decode_json $data;
742		1120
743	for (@$data) {	1121	for (@$data) {
744	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
745		1123
746	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1140	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
764		1142
765	sync_job {	1143	sync_job {
766	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
769		1148
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1153	aio_close $fh;
775		1154
776	if (@$objs) {	1155	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1161	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
784	}	1163	}
785	} else {	1164	} else {
786	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
787	}	1166	}
…		…
792	}	1171	}
793	} else {	1172	} else {
794	aio_unlink $filename;	1173	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
796	}	1175	}
797	}	1176	};
798	}	1177	}
799		1178
800	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
802		1181
…		…
814	or return;	1193	or return;
815		1194
816	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
818	or return;	1197	or return;
		1198
819	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
820	}	1201	}
821		1202
		1203	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
824	return ($data, $av);	1207	($data, $av)
825	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
826		1215
827	#############################################################################	1216	#############################################################################
828	# command handling &c	1217	# command handling &c
829		1218
830	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1233	}
845		1234
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1236
848	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.
849		1242
850	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
851	called.	1244	called.
852		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
853	=cut	1257	=cut
854		1258
855	sub register_extcmd {	1259	sub register_extcmd {
856	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
857		1261
858	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
859	}	1269	}
860		1270
861	cf::player->attach (	1271	cf::player->attach (
862	on_command => sub {	1272	on_command => sub {
863	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1282	cf::override;
873	},	1283	},
874	on_extcmd => sub {	1284	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
876		1286
877	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1288
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
885	} else {	1304	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1306	}
888		1307
889	cf::override;	1308	cf::override;
890	},	1309	},
891	);	1310	);
892		1311
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
928	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1317	next unless -r $path;
930	eval {	1318
931	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	$progress = 1;
932	1	1375	}
933	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
934	}	1381	};
935	}	1382	}
936		1383
937	#############################################################################	1384	#############################################################################
938		1385
		1386	=back
		1387
939	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
940		1389
941	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
942		1391
943	=cut	1392	=cut
…		…
948		1397
949	=head3 cf::player	1398	=head3 cf::player
950		1399
951	=over 4	1400	=over 4
952		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
953	=item cf::player::find $login	1416	=item cf::player::find $login
954		1417
955	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
956		1419
957	=cut	1420	=cut
958		1421
959	sub playerdir($) {	1422	sub playerdir($) {
960	cf::localdir	1423	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1425	}
966		1426
967	sub path($) {	1427	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
999		1459
1000	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1003	}	1469	}
1004	}	1470	}
1005	}	1471	}
1006		1472
…		…
1015	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1016		1482
1017	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1019		1485
		1486	cf::get_slot 0.01;
		1487
1020	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1021	Coro::cede;	1489	cf::cede_to_tick;
1022	}	1490	}
1023		1491
1024	sub new($) {	1492	sub new($) {
1025	my ($login) = @_;	1493	my ($login) = @_;
1026		1494
…		…
1032	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1033		1501
1034	$self	1502	$self
1035	}	1503	}
1036		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
1037	=item $pl->quit_character	1515	=item $pl->quit_character
1038		1516
1039	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
1040	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1041		1519
…		…
1049	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1051		1529
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1056		1536
1057	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1089		1569
1090	=cut	1570	=cut
1091		1571
1092	sub list_logins {	1572	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1574	or return [];
1095		1575
1096	my @logins;	1576	my @logins;
1097		1577
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1102		1588
1103	utf8::decode $login;	1589	utf8::decode $login;
1104	push @logins, $login;	1590	push @logins, $login;
1105	}	1591	}
1106		1592
…		…
1133	}	1619	}
1134		1620
1135	\@paths	1621	\@paths
1136	}	1622	}
1137		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	use re 'eval';
		1631
		1632	my $group;
		1633	my $interior; $interior = qr{
		1634	# match a pod interior sequence sans C<< >>
		1635	(?:
		1636	\ (.*?)\ (?{ $group = $^N })
		1637	| < (??{$interior}) >
		1638	)
		1639	}x;
		1640
		1641	sub expand_cfpod {
		1642	my ($self, $pod) = @_;
		1643
		1644	my $xml;
		1645
		1646	while () {
		1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1648	$group = $1;
		1649
		1650	$group =~ s/&/&amp;/g;
		1651	$group =~ s/</&lt;/g;
		1652
		1653	$xml .= $group;
		1654	} elsif ($pod =~ m%\G
		1655	([BCGHITU])
		1656	<
		1657	(?:
		1658	([^<>]*) (?{ $group = $^N })
		1659	| < $interior >
		1660	)
		1661	>
		1662	%gcsx
		1663	) {
		1664	my ($code, $data) = ($1, $group);
		1665
		1666	if ($code eq "B") {
		1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1668	} elsif ($code eq "I") {
		1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1670	} elsif ($code eq "U") {
		1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1672	} elsif ($code eq "C") {
		1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1674	} elsif ($code eq "T") {
		1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1676	} elsif ($code eq "G") {
		1677	my ($male, $female) = split /\|/, $data;
		1678	$data = $self->gender ? $female : $male;
		1679	$xml .= expand_cfpod ($self, $data);
		1680	} elsif ($code eq "H") {
		1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1683	"")
		1684	[$self->{hintmode}];
		1685	} else {
		1686	$xml .= "error processing '$code($data)' directive";
		1687	}
		1688	} else {
		1689	if ($pod =~ /\G(.+)/) {
		1690	warn "parse error while expanding $pod (at $1)";
		1691	}
		1692	last;
		1693	}
		1694	}
		1695
		1696	for ($xml) {
		1697	# create single paragraphs (very hackish)
		1698	s/(?<=\S)\n(?=\w)/ /g;
		1699
		1700	# compress some whitespace
		1701	s/\s+\n/\n/g; # ws line-ends
		1702	s/\n\n+/\n/g; # double lines
		1703	s/^\n+//; # beginning lines
		1704	s/\n+$//; # ending lines
		1705	}
		1706
		1707	$xml
		1708	}
		1709
		1710	no re 'eval';
		1711
		1712	sub hintmode {
		1713	$_[0]{hintmode} = $_[1] if @_ > 1;
		1714	$_[0]{hintmode}
		1715	}
		1716
1138	=item $player->ext_reply ($msgid, %msg)	1717	=item $player->ext_reply ($msgid, @msg)
1139		1718
1140	Sends an ext reply to the player.	1719	Sends an ext reply to the player.
1141		1720
1142	=cut	1721	=cut
1143		1722
1144	sub ext_reply($$%) {	1723	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1724	my ($self, $id, @msg) = @_;
1146		1725
1147	$msg{msgid} = $id;	1726	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1727	}
1151		1728
1152	=item $player->ext_event ($type, %msg)	1729	=item $player->ext_msg ($type, @msg)
1153		1730
1154	Sends an ext event to the client.	1731	Sends an ext event to the client.
1155		1732
1156	=cut	1733	=cut
1157		1734
1158	sub ext_event($$%) {	1735	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1736	my ($self, $type, @msg) = @_;
1160		1737
1161	$self->ns->ext_event ($type, %msg);	1738	$self->ns->ext_msg ($type, @msg);
1162	}	1739	}
1163		1740
1164	=head3 cf::region	1741	=head3 cf::region
1165		1742
1166	=over 4	1743	=over 4
…		…
1169		1746
1170	package cf::region;	1747	package cf::region;
1171		1748
1172	=item cf::region::find_by_path $path	1749	=item cf::region::find_by_path $path
1173		1750
1174	Tries to decuce the probable region for a map knowing only its path.	1751	Tries to decuce the likely region for a map knowing only its path.
1175		1752
1176	=cut	1753	=cut
1177		1754
1178	sub find_by_path($) {	1755	sub find_by_path($) {
1179	my ($path) = @_;	1756	my ($path) = @_;
1180		1757
1181	my ($match, $specificity);	1758	my ($match, $specificity);
1182		1759
1183	for my $region (list) {	1760	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1761	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1762	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1763	if $region->specificity > $specificity;
1187	}	1764	}
1188	}	1765	}
1189		1766
…		…
1210	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1212		1789
1213	sub generate_random_map {	1790	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1791	my ($self, $rmp) = @_;
		1792
		1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1794
1215	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1796	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1833	my ($self, $merge) = @_;
1254		1834
1255	# we have to keep some variables in memory intact	1835	# we have to keep some variables in memory intact
1256	local $self->{path};	1836	local $self->{path};
1257	local $self->{load_path};	1837	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1838
1261	$self->SUPER::thawer_merge ($merge);	1839	$self->SUPER::thawer_merge ($merge);
1262	}	1840	}
1263		1841
1264	sub normalise {	1842	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1889	$self->init; # pass $1 etc.
1312	return $self;	1890	return $self;
1313	}	1891	}
1314	}	1892	}
1315		1893
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1894	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1895	()
1318	}	1896	}
1319		1897
1320	sub init {	1898	sub init {
1321	my ($self) = @_;	1899	my ($self) = @_;
…		…
1336		1914
1337	# the original (read-only) location	1915	# the original (read-only) location
1338	sub load_path {	1916	sub load_path {
1339	my ($self) = @_;	1917	my ($self) = @_;
1340		1918
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1919	"$MAPDIR/$self->{path}.map"
1342	}	1920	}
1343		1921
1344	# the temporary/swap location	1922	# the temporary/swap location
1345	sub save_path {	1923	sub save_path {
1346	my ($self) = @_;	1924	my ($self) = @_;
1347		1925
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1927	"$TMPDIR/$path.map"
1350	}	1928	}
1351		1929
1352	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1353	sub uniq_path {	1931	sub uniq_path {
1354	my ($self) = @_;	1932	my ($self) = @_;
1355		1933
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1935	"$UNIQUEDIR/$path"
1358	}	1936	}
1359		1937
1360	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1361	# all maps in C++...	1939	# all maps in C++...
1362	sub change_all_map_light {	1940	sub change_all_map_light {
…		…
1364		1942
1365	$_->change_map_light ($change)	1943	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1944	for grep $_->outdoor, values %cf::MAP;
1367	}	1945	}
1368		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
1369	sub unlink_save {	1955	sub unlink_save {
1370	my ($self) = @_;	1956	my ($self) = @_;
1371		1957
1372	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1962
1377	sub load_header_from($) {	1963	sub load_header_from($) {
1378	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1379		1965
1380	utf8::encode $path;	1966	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1386		1975
1387	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1388		1977
1389	1	1978	1
1390	}	1979	}
…		…
1429	$self->load_header_orig	2018	$self->load_header_orig
1430	or return;	2019	or return;
1431	$self->prepare_orig;	2020	$self->prepare_orig;
1432	}	2021	}
1433		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
1434	$self->default_region (cf::region::find_by_path $self->{path})	2026	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2027	unless $self->default_region;
1436		2028
1437	1	2029	1
1438	}	2030	}
…		…
1441	sub find {	2033	sub find {
1442	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1443		2035
1444	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1445		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1447		2040
1448	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1449	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1450	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1451	or return;	2046	or return;
1452		2047
1453	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1454		2049
1455	$map->load_header	2050	$map->load_header
1456	or return;	2051	or return;
1457		2052
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2054	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1461	$map->reset;	2058	$map->reset;
1462	undef $guard;
1463	return find $path;	2059	return find $path;
1464	}	2060	}
1465		2061
1466	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1467	}	2063	}
…		…
1474	my ($self) = @_;	2070	my ($self) = @_;
1475		2071
1476	local $self->{deny_reset} = 1; # loading can take a long time	2072	local $self->{deny_reset} = 1; # loading can take a long time
1477		2073
1478	my $path = $self->{path};	2074	my $path = $self->{path};
		2075
		2076	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1480		2078
		2079	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2081
1483	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1484		2083
1485	$self->alloc;	2084	$self->alloc;
1486		2085
1487	$self->pre_load;	2086	$self->pre_load;
1488	Coro::cede;	2087	cf::cede_to_tick;
1489		2088
1490	$self->_load_objects ($self->{load_path}, 1)	2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
		2091	$self->_load_objects ($f)
1491	or return;	2092	or return;
1492		2093
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1494	if delete $self->{load_original};	2095	if delete $self->{load_original};
1495		2096
1496	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2098	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2101	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1501	}	2105	}
1502	}	2106	}
1503		2107
1504	Coro::cede;	2108	$f->resolve_delayed_derefs;
		2109
		2110	cf::cede_to_tick;
1505	# now do the right thing for maps	2111	# now do the right thing for maps
1506	$self->link_multipart_objects;	2112	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2113	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2114	unless $self->difficulty;
1517	Coro::cede;	2115	cf::cede_to_tick;
		2116
		2117	unless ($self->{deny_activate}) {
		2118	$self->decay_objects;
		2119	$self->fix_auto_apply;
		2120	$self->update_buttons;
		2121	cf::cede_to_tick;
		2122	$self->set_darkness_map;
		2123	cf::cede_to_tick;
1518	$self->activate;	2124	$self->activate;
1519	Coro::cede;	2125	}
		2126
		2127	$self->{last_save} = $cf::RUNTIME;
		2128	$self->last_access ($cf::RUNTIME);
		2129
		2130	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2131	}
1521		2132
1522	$self->post_load;	2133	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2134	}
1527		2135
1528	sub customise_for {	2136	sub customise_for {
1529	my ($self, $ob) = @_;	2137	my ($self, $ob) = @_;
1530		2138
1531	return find "~" . $ob->name . "/" . $self->{path}	2139	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2140	if $self->per_player;
1533		2141
		2142	# return find "?party/" . $ob->name . "/" . $self->{path}
		2143	# if $self->per_party;
		2144
1534	$self	2145	$self
1535	}	2146	}
1536		2147
1537	# find and load all maps in the 3x3 area around a map	2148	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2149	sub load_neighbours {
1539	my ($map) = @_;	2150	my ($map) = @_;
1540		2151
1541	my @diag; # diagonal neighbours	2152	my @neigh; # diagonal neighbours
1542		2153
1543	for (0 .. 3) {	2154	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2155	my $neigh = $map->tile_path ($_)
1545	or next;	2156	or next;
1546	$neigh = find $neigh, $map	2157	$neigh = find $neigh, $map
1547	or next;	2158	or next;
1548	$neigh->load;	2159	$neigh->load;
1549		2160
		2161	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2164	}
1553		2165
1554	for (@diag) {	2166	for (grep defined $_->[0], @neigh) {
		2167	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2168	my $neigh = find $path, $origin
1556	or next;	2169	or next;
1557	$neigh->load;	2170	$neigh->load;
1558	}	2171	}
1559	}	2172	}
1560		2173
…		…
1565	}	2178	}
1566		2179
1567	sub do_load_sync {	2180	sub do_load_sync {
1568	my ($map) = @_;	2181	my ($map) = @_;
1569		2182
		2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2184	if $Coro::current == $Coro::main;
		2185
1570	cf::sync_job { $map->load };	2186	cf::sync_job { $map->load };
1571	}	2187	}
1572		2188
1573	our %MAP_PREFETCH;	2189	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2190	our $MAP_PREFETCHER = undef;
1575		2191
1576	sub find_async {	2192	sub find_async {
1577	my ($path, $origin) = @_;	2193	my ($path, $origin, $load) = @_;
1578		2194
1579	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1580		2196
1581	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2199	}
1584		2200
1585	undef $MAP_PREFETCH{$path};	2201	$MAP_PREFETCH{$path} |= $load;
		2202
1586	$MAP_PREFETCHER ||= cf::async {	2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
1587	while (%MAP_PREFETCH) {	2206	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2207	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2208	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2209	$map->load if $v;
		2210	}
1592		2211
1593	delete $MAP_PREFETCH{$path};	2212	delete $MAP_PREFETCH{$k};
1594	}	2213	}
1595	}	2214	}
1596	undef $MAP_PREFETCHER;	2215	undef $MAP_PREFETCHER;
1597	};	2216	};
1598	$MAP_PREFETCHER->prio (6);	2217	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2220	}
1602		2221
1603	sub save {	2222	sub save {
1604	my ($self) = @_;	2223	my ($self) = @_;
1605		2224
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2226
1608	$self->{last_save} = $cf::RUNTIME;	2227	$self->{last_save} = $cf::RUNTIME;
1609		2228
1610	return unless $self->dirty;	2229	return unless $self->dirty;
1611		2230
…		…
1617	return if $self->{deny_save};	2236	return if $self->{deny_save};
1618		2237
1619	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
1620		2239
1621	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
1623	};	2243	};
		2244
		2245	cf::get_slot 0.02;
1624		2246
1625	if ($uniq) {	2247	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2250	} else {
…		…
1634	my ($self) = @_;	2256	my ($self) = @_;
1635		2257
1636	# save first because save cedes	2258	# save first because save cedes
1637	$self->save;	2259	$self->save;
1638		2260
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2262
1641	return if $self->players;	2263	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2265	return if $self->{deny_save};
1644		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2271	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2272	}
1648		2273
1649	sub reset_at {	2274	sub reset_at {
1650	my ($self) = @_;	2275	my ($self) = @_;
1651		2276
1652	# TODO: safety, remove and allow resettable per-player maps	2277	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2278	return 1e99 if $self->{deny_reset};
1655		2279
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2282
…		…
1669	my ($self) = @_;	2293	my ($self) = @_;
1670		2294
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2296
1673	return if $self->players;	2297	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2298
1676	warn "resetting map ", $self->path;#d#	2299	warn "resetting map ", $self->path;
1677		2300
1678	$self->in_memory (cf::MAP_SWAPPED);	2301	$self->in_memory (cf::MAP_SWAPPED);
1679		2302
1680	# need to save uniques path	2303	# need to save uniques path
1681	unless ($self->{deny_save}) {	2304	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2308	if $uniq;
1686	}	2309	}
1687		2310
1688	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
1689		2312
		2313	$self->deactivate;
		2314	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2315	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2316
1694	$self->unlink_save;	2317	$self->unlink_save;
1695	$self->destroy;	2318	$self->destroy;
1696	}	2319	}
1697		2320
1698	my $nuke_counter = "aaaa";	2321	my $nuke_counter = "aaaa";
1699		2322
1700	sub nuke {	2323	sub nuke {
1701	my ($self) = @_;	2324	my ($self) = @_;
1702		2325
		2326	{
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
1703	delete $cf::MAP{$self->path};	2329	delete $cf::MAP{$self->path};
1704		2330
1705	$self->unlink_save;	2331	$self->unlink_save;
1706		2332
1707	bless $self, "cf::map";	2333	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2334	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2335	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2336	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2338
1713	$cf::MAP{$self->path} = $self;	2339	$cf::MAP{$self->path} = $self;
		2340	}
1714		2341
1715	$self->reset; # polite request, might not happen	2342	$self->reset; # polite request, might not happen
		2343	}
		2344
		2345	=item $maps = cf::map::tmp_maps
		2346
		2347	Returns an arrayref with all map paths of currently instantiated and saved
		2348	maps. May block.
		2349
		2350	=cut
		2351
		2352	sub tmp_maps() {
		2353	[
		2354	map {
		2355	utf8::decode $_;
		2356	/\.map$/
		2357	? normalise $_
		2358	: ()
		2359	} @{ aio_readdir $TMPDIR or [] }
		2360	]
		2361	}
		2362
		2363	=item $maps = cf::map::random_maps
		2364
		2365	Returns an arrayref with all map paths of currently instantiated and saved
		2366	random maps. May block.
		2367
		2368	=cut
		2369
		2370	sub random_maps() {
		2371	[
		2372	map {
		2373	utf8::decode $_;
		2374	/\.map$/
		2375	? normalise "?random/$_"
		2376	: ()
		2377	} @{ aio_readdir $RANDOMDIR or [] }
		2378	]
1716	}	2379	}
1717		2380
1718	=item cf::map::unique_maps	2381	=item cf::map::unique_maps
1719		2382
1720	Returns an arrayref of paths of all shared maps that have	2383	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2384	instantiated unique items. May block.
1722		2385
1723	=cut	2386	=cut
1724		2387
1725	sub unique_maps() {	2388	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2389	[
1727	or return;	2390	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2391	utf8::decode $_;
1733	next if /\.pst$/;	2392	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2394	? ()
1736	push @paths, cf::map::normalise $_;	2395	: normalise $_
		2396	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2397	]
1738
1739	\@paths
1740	}	2398	}
1741
1742	package cf;
1743		2399
1744	=back	2400	=back
1745		2401
1746	=head3 cf::object	2402	=head3 cf::object
1747		2403
…		…
1751		2407
1752	=over 4	2408	=over 4
1753		2409
1754	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
1755		2411
1756	Returns the inventory of the object _and_ their inventories, recursively.	2412	Returns the inventory of the object I<and> their inventories, recursively,
		2413	but I<not> the object itself.
1757		2414
1758	=cut	2415	=cut
1759		2416
1760	sub inv_recursive_;	2417	sub inv_recursive_;
1761	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
1764		2421
1765	sub inv_recursive {	2422	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
1767	}	2424	}
1768		2425
		2426	=item $ref = $ob->ref
		2427
		2428	Creates and returns a persistent reference to an object that can be stored as a string.
		2429
		2430	=item $ob = cf::object::deref ($refstring)
		2431
		2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2433	even if the object actually exists. May block.
		2434
		2435	=cut
		2436
		2437	sub deref {
		2438	my ($ref) = @_;
		2439
		2440	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2441	my ($uuid, $name) = ($1, $2);
		2442	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2443	or return;
		2444	$pl->ob->uuid eq $uuid
		2445	or return;
		2446
		2447	$pl->ob
		2448	} else {
		2449	warn "$ref: cannot resolve object reference\n";
		2450	undef
		2451	}
		2452	}
		2453
1769	package cf;	2454	package cf;
1770		2455
1771	=back	2456	=back
1772		2457
1773	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2464	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2465	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
1782		2467
1783	=cut	2468	=cut
		2469
		2470	our $SAY_CHANNEL = {
		2471	id => "say",
		2472	title => "Map",
		2473	reply => "say ",
		2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2475	};
		2476
		2477	our $CHAT_CHANNEL = {
		2478	id => "chat",
		2479	title => "Chat",
		2480	reply => "chat ",
		2481	tooltip => "Player chat and shouts, global to the server.",
		2482	};
1784		2483
1785	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2485	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2486	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
1790		2489
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2490	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2491
1793	if ($self->{record_replies}) {	2492	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2493	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2494
1795	} else {	2495	} else {
		2496	my $pl = $self->contr;
		2497
		2498	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2499	my $dialog = $pl->{npc_dialog};
		2500	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2501
		2502	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2505	}
1798	}	2506	}
		2507	}
		2508
		2509	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2510
		2511	=cut
		2512
		2513	sub cf::object::send_msg {
		2514	my $pl = shift->contr
		2515	or return;
		2516	$pl->send_msg (@_);
1799	}	2517	}
1800		2518
1801	=item $player_object->may ("access")	2519	=item $player_object->may ("access")
1802		2520
1803	Returns wether the given player is authorized to access resource "access"	2521	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2568	$self->deactivate_recursive;
1851		2569
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2570	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2571
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2573	if $self->map && $self->map->{path} ne "{link}";
1856		2574
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2576	}
1859		2577
1860	sub cf::object::player::leave_link {	2578	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2579	my ($self, $map, $x, $y) = @_;
		2580
		2581	return unless $self->contr->active;
1862		2582
1863	my $link_pos = delete $self->{_link_pos};	2583	my $link_pos = delete $self->{_link_pos};
1864		2584
1865	unless ($map) {	2585	unless ($map) {
1866	# restore original map position	2586	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2600	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2601	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2602	if $x <=0 && $y <= 0;
1883		2603
1884	$map->load;	2604	$map->load;
1885	$map->load_diag;	2605	$map->load_neighbours;
1886		2606
1887	return unless $self->contr->active;	2607	return unless $self->contr->active;
1888	$self->activate_recursive;	2608	$self->activate_recursive;
1889		2609
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2611	$self->enter_map ($map, $x, $y);
1892	}	2612	}
1893		2613
1894	cf::player->attach (	2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2615
1898	# abort map switching before logout	2616	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2617	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2618	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2619	the new (success) or old (failed) map position. In either case, $done will
1902	};	2620	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2621
1908	# try to abort aborted map switching on player login :)	2622	Note that $check will be called with a potentially non-loaded map, so if
1909	# should happen only on crashes	2623	it needs a loaded map it has to call C<< ->load >>.
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2624
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2625	=cut
		2626
		2627	our $GOTOGEN;
1929		2628
1930	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2630	my ($self, $path, $x, $y, $check, $done) = @_;
		2631
		2632	# do generation counting so two concurrent goto's will be executed in-order
		2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2634
1933	$self->enter_link;	2635	$self->enter_link;
1934		2636
1935	(async {	2637	(async {
		2638	$Coro::current->{desc} = "player::goto $path $x $y";
		2639
		2640	# *tag paths override both path and x|y
		2641	if ($path =~ /^\*(.*)$/) {
		2642	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2643	my $ob = $obs[rand @obs];
		2644
		2645	# see if we actually can go there
		2646	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2647	$ob = $obs[rand @obs];
		2648	} else {
		2649	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651	# else put us there anyways for now #d#
		2652
		2653	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2654	} else {
		2655	($path, $x, $y) = (undef, undef, undef);
		2656	}
		2657	}
		2658
1936	my $map = eval {	2659	my $map = eval {
1937	my $map = cf::map::find $path;	2660	my $map = defined $path ? cf::map::find $path : undef;
		2661
		2662	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2663	$map = $map->customise_for ($self);
		2664	$map = $check->($map) if $check && $map;
		2665	} else {
		2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668
1939	$map	2669	$map
		2670	};
		2671
		2672	if ($@) {
		2673	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2674	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2675	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2676
		2677	if ($gen == $self->{_goto_generation}) {
		2678	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2679	$self->leave_link ($map, $x, $y);
		2680	}
		2681
		2682	$done->() if $done;
1944	})->prio (1);	2683	})->prio (1);
1945	}	2684	}
1946		2685
1947	=item $player_object->enter_exit ($exit_object)	2686	=item $player_object->enter_exit ($exit_object)
1948		2687
…		…
1968	}	2707	}
1969		2708
1970	sub prepare_random_map {	2709	sub prepare_random_map {
1971	my ($exit) = @_;	2710	my ($exit) = @_;
1972		2711
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2712	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2713	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2714	# that depends on the exit object
1978		2715
1979	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2718	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2719	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
1986	}	2725	}
1987		2726
1988	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
1989		2728
1990	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2731	my $meta = "$RANDOMDIR/$md5.meta";
1993		2732
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2735	undef $fh;
1997	aio_rename "$meta~", $meta;	2736	aio_rename "$meta~", $meta;
1998		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
2001	}	2744	}
2002	}	2745	}
2003		2746
2004	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
2006		2749
2007	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
2008		2751
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2752	$self->enter_link;
2021		2753
2022	(async {	2754	(async {
2023	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
2024	unless (eval {	2757	unless (eval {
		2758	$self->deactivate_recursive; # just to be sure
		2759
		2760	# random map handling
		2761	{
		2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2763
		2764	prepare_random_map $exit
		2765	if $exit->slaying eq "/!";
		2766	}
		2767
		2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2769	my $x = $exit->stats->hp;
		2770	my $y = $exit->stats->sp;
		2771
2025	$self->goto ($slaying, $hp, $sp);	2772	$self->goto ($map, $x, $y);
2026		2773
		2774	# if exit is damned, update players death & WoR home-position
		2775	$self->contr->savebed ($map, $x, $y)
		2776	if $exit->flag (cf::FLAG_DAMNED);
		2777
2027	1;	2778	1
2028	}) {	2779	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
2030	. "I'll try to bring you back to the map you were before. "	2781	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2053		2804
2054	utf8::encode $text;	2805	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2807	}
2057		2808
		2809	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2810
		2811	Send a drawinfo or msg packet to the client, formatting the msg for the
		2812	client if neccessary. C<$type> should be a string identifying the type of
		2813	the message, with C<log> being the default. If C<$color> is negative, suppress
		2814	the message unless the client supports the msg packet.
		2815
		2816	=cut
		2817
		2818	# non-persistent channels (usually the info channel)
		2819	our %CHANNEL = (
		2820	"c/identify" => {
		2821	id => "infobox",
		2822	title => "Identify",
		2823	reply => undef,
		2824	tooltip => "Items recently identified",
		2825	},
		2826	"c/examine" => {
		2827	id => "infobox",
		2828	title => "Examine",
		2829	reply => undef,
		2830	tooltip => "Signs and other items you examined",
		2831	},
		2832	"c/book" => {
		2833	id => "infobox",
		2834	title => "Book",
		2835	reply => undef,
		2836	tooltip => "The contents of a note or book",
		2837	},
		2838	"c/lookat" => {
		2839	id => "infobox",
		2840	title => "Look",
		2841	reply => undef,
		2842	tooltip => "What you saw there",
		2843	},
		2844	"c/who" => {
		2845	id => "infobox",
		2846	title => "Players",
		2847	reply => undef,
		2848	tooltip => "Shows players who are currently online",
		2849	},
		2850	"c/body" => {
		2851	id => "infobox",
		2852	title => "Body Parts",
		2853	reply => undef,
		2854	tooltip => "Shows which body parts you posess and are available",
		2855	},
		2856	"c/uptime" => {
		2857	id => "infobox",
		2858	title => "Uptime",
		2859	reply => undef,
		2860	tooltip => "How long the server has been running since last restart",
		2861	},
		2862	"c/mapinfo" => {
		2863	id => "infobox",
		2864	title => "Map Info",
		2865	reply => undef,
		2866	tooltip => "Information related to the maps",
		2867	},
		2868	"c/party" => {
		2869	id => "party",
		2870	title => "Party",
		2871	reply => "gsay ",
		2872	tooltip => "Messages and chat related to your party",
		2873	},
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg);
		2880
		2881	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2882
		2883	# check predefined channels, for the benefit of C
		2884	if ($CHANNEL{$channel}) {
		2885	$channel = $CHANNEL{$channel};
		2886
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889
		2890	$channel = $channel->{id};
		2891
		2892	} elsif (ref $channel) {
		2893	# send meta info to client, if not yet sent
		2894	unless (exists $self->{channel}{$channel->{id}}) {
		2895	$self->{channel}{$channel->{id}} = $channel;
		2896	$self->ext_msg (channel_info => $channel)
		2897	if $self->can_msg;
		2898	}
		2899
		2900	$channel = $channel->{id};
		2901	}
		2902
		2903	return unless @extra || length $msg;
		2904
		2905	if ($self->can_msg) {
		2906	# default colour, mask it out
		2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2908	if $color & cf::NDI_DEF;
		2909
		2910	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2912	} else {
		2913	if ($color >= 0) {
		2914	# replace some tags by gcfclient-compatible ones
		2915	for ($msg) {
		2916	1 while
		2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2922	}
		2923
		2924	$color &= cf::NDI_COLOR_MASK;
		2925
		2926	utf8::encode $msg;
		2927
		2928	if (0 && $msg =~ /\[/) {
		2929	# COMMAND/INFO
		2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2931	} else {
		2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2933	$self->send_packet ("drawinfo $color $msg")
		2934	}
		2935	}
		2936	}
		2937	}
		2938
2058	=item $client->ext_event ($type, %msg)	2939	=item $client->ext_msg ($type, @msg)
2059		2940
2060	Sends an exti event to the client.	2941	Sends an ext event to the client.
2061		2942
2062	=cut	2943	=cut
2063		2944
2064	sub cf::client::ext_event($$%) {	2945	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2946	my ($self, $type, @msg) = @_;
2066		2947
		2948	if ($self->extcmd == 2) {
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2950	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2951	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2953	}
		2954	}
		2955
		2956	=item $client->ext_reply ($msgid, @msg)
		2957
		2958	Sends an ext reply to the client.
		2959
		2960	=cut
		2961
		2962	sub cf::client::ext_reply($$@) {
		2963	my ($self, $id, @msg) = @_;
		2964
		2965	if ($self->extcmd == 2) {
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2967	} elsif ($self->extcmd == 1) {
		2968	#TODO: version 1, remove
		2969	unshift @msg, msgtype => "reply", msgid => $id;
		2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2971	}
2069	}	2972	}
2070		2973
2071	=item $success = $client->query ($flags, "text", \&cb)	2974	=item $success = $client->query ($flags, "text", \&cb)
2072		2975
2073	Queues a query to the client, calling the given callback with	2976	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2977	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2978	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2979
2077	Queries can fail, so check the return code. Or don't, as queries will become	2980	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2981	become reliable at some point in the future.
2079		2982
2080	=cut	2983	=cut
2081		2984
2082	sub cf::client::query {	2985	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2986	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2994	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2995	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2996
2094	$self->send_packet ($self->{query_queue}[0][0])	2997	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2998	if @{ $self->{query_queue} } == 1;
		2999
		3000	1
2096	}	3001	}
2097		3002
2098	cf::client->attach (	3003	cf::client->attach (
		3004	on_connect => sub {
		3005	my ($ns) = @_;
		3006
		3007	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3008	},
2099	on_reply => sub {	3009	on_reply => sub {
2100	my ($ns, $msg) = @_;	3010	my ($ns, $msg) = @_;
2101		3011
2102	# this weird shuffling is so that direct followup queries	3012	# this weird shuffling is so that direct followup queries
2103	# get handled first	3013	# get handled first
…		…
2115	} else {	3025	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3026	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3027	}
2118	}	3028	}
2119	},	3029	},
		3030	on_exticmd => sub {
		3031	my ($ns, $buf) = @_;
		3032
		3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3034
		3035	if (ref $msg) {
		3036	my ($type, $reply, @payload) =
		3037	"ARRAY" eq ref $msg
		3038	? @$msg
		3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3040
		3041	my @reply;
		3042
		3043	if (my $cb = $EXTICMD{$type}) {
		3044	@reply = $cb->($ns, @payload);
		3045	}
		3046
		3047	$ns->ext_reply ($reply, @reply)
		3048	if $reply;
		3049
		3050	} else {
		3051	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3052	}
		3053
		3054	cf::override;
		3055	},
2120	);	3056	);
2121		3057
2122	=item $client->async (\&cb)	3058	=item $client->async (\&cb)
2123		3059
2124	Create a new coroutine, running the specified callback. The coroutine will	3060	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3101	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3102	our $safe_hole = new Safe::Hole;
2167		3103
2168	$SIG{FPE} = 'IGNORE';	3104	$SIG{FPE} = 'IGNORE';
2169		3105
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3106	$safe->permit_only (Opcode::opset qw(
		3107	:base_core :base_mem :base_orig :base_math
		3108	grepstart grepwhile mapstart mapwhile
		3109	sort time
		3110	));
2171		3111
2172	# here we export the classes and methods available to script code	3112	# here we export the classes and methods available to script code
2173		3113
2174	=pod	3114	=pod
2175		3115
2176	The following functions and methods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2177		3117
2178	cf::object contr pay_amount pay_player map	3118	cf::object
		3119	contr pay_amount pay_player map x y force_find force_add destroy
		3120	insert remove name archname title slaying race decrease split
		3121
2179	cf::object::player player	3122	cf::object::player
2180	cf::player peaceful	3123	player
2181	cf::map trigger	3124
		3125	cf::player
		3126	peaceful
		3127
		3128	cf::map
		3129	trigger
2182		3130
2183	=cut	3131	=cut
2184		3132
2185	for (	3133	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3135	insert remove inv nrof name archname title slaying race
		3136	decrease split destroy change_exp)],
2187	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2190	) {	3140	) {
2191	no strict 'refs';	3141	no strict 'refs';
…		…
2262	=back	3212	=back
2263		3213
2264	=cut	3214	=cut
2265		3215
2266	#############################################################################	3216	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3217	# the server's init and main functions
2437		3218
2438	sub load_facedata($) {	3219	sub load_facedata($) {
2439	my ($path) = @_;	3220	my ($path) = @_;
		3221
		3222	# HACK to clear player env face cache, we need some signal framework
		3223	# for this (global event?)
		3224	%ext::player_env::MUSIC_FACE_CACHE = ();
		3225
		3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3227
2441	warn "loading facedata from $path\n";	3228	warn "loading facedata from $path\n";
2442		3229
2443	my $facedata;	3230	my $facedata;
2444	0 < aio_load $path, $facedata	3231	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3234	$facedata = Coro::Storable::thaw $facedata;
2448		3235
2449	$facedata->{version} == 2	3236	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3237	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3238
		3239	# patch in the exptable
		3240	$facedata->{resource}{"res/exp_table"} = {
		3241	type => FT_RSRC,
		3242	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3243	};
		3244	cf::cede_to_tick;
		3245
2452	{	3246	{
2453	my $faces = $facedata->{faceinfo};	3247	my $faces = $facedata->{faceinfo};
2454		3248
2455	while (my ($face, $info) = each %$faces) {	3249	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3251
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3252	cf::face::set_visibility $idx, $info->{visibility};
		3253	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3256
		3257	cf::cede_to_tick;
2461	}	3258	}
2462		3259
2463	while (my ($face, $info) = each %$faces) {	3260	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3261	next unless $info->{smooth};
		3262
2465	my $idx = cf::face::find $face	3263	my $idx = cf::face::find $face
2466	or next;	3264	or next;
		3265
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3266	if (my $smooth = cf::face::find $info->{smooth}) {
		3267	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3269	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3271	}
2472	Coro::cede;	3272
		3273	cf::cede_to_tick;
2473	}	3274	}
2474	}	3275	}
2475		3276
2476	{	3277	{
2477	my $anims = $facedata->{animinfo};	3278	my $anims = $facedata->{animinfo};
2478		3279
2479	while (my ($anim, $info) = each %$anims) {	3280	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3281	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3282	cf::cede_to_tick;
2482	}	3283	}
2483		3284
2484	cf::anim::invalidate_all; # d'oh	3285	cf::anim::invalidate_all; # d'oh
2485	}	3286	}
2486		3287
		3288	{
		3289	# TODO: for gcfclient pleasure, we should give resources
		3290	# that gcfclient doesn't grok a >10000 face index.
		3291	my $res = $facedata->{resource};
		3292
		3293	while (my ($name, $info) = each %$res) {
		3294	if (defined $info->{type}) {
		3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3296	my $data;
		3297
		3298	if ($info->{type} & 1) {
		3299	# prepend meta info
		3300
		3301	my $meta = $enc->encode ({
		3302	name => $name,
		3303	%{ $info->{meta} || {} },
		3304	});
		3305
		3306	$data = pack "(w/a*)*", $meta, $info->{data};
		3307	} else {
		3308	$data = $info->{data};
		3309	}
		3310
		3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3312	cf::face::set_type $idx, $info->{type};
		3313	} else {
		3314	$RESOURCE{$name} = $info;
		3315	}
		3316
		3317	cf::cede_to_tick;
		3318	}
		3319	}
		3320
		3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3322
2487	1	3323	1
2488	}	3324	}
2489		3325
		3326	cf::global->attach (on_resource_update => sub {
		3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3329
		3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3331	my $sound = $soundconf->{compat}[$_]
		3332	or next;
		3333
		3334	my $face = cf::face::find "sound/$sound->[1]";
		3335	cf::sound::set $sound->[0] => $face;
		3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3337	}
		3338
		3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3340	my $face = cf::face::find "sound/$v";
		3341	cf::sound::set $k => $face;
		3342	}
		3343	}
		3344	});
		3345
		3346	register_exticmd fx_want => sub {
		3347	my ($ns, $want) = @_;
		3348
		3349	while (my ($k, $v) = each %$want) {
		3350	$ns->fx_want ($k, $v);
		3351	}
		3352	};
		3353
		3354	sub load_resource_file($) {
		3355	my $guard = lock_acquire "load_resource_file";
		3356
		3357	my $status = load_resource_file_ $_[0];
		3358	get_slot 0.1, 100;
		3359	cf::arch::commit_load;
		3360
		3361	$status
		3362	}
		3363
		3364	sub reload_regions {
		3365	# HACK to clear player env face cache, we need some signal framework
		3366	# for this (global event?)
		3367	%ext::player_env::MUSIC_FACE_CACHE = ();
		3368
		3369	load_resource_file "$MAPDIR/regions"
		3370	or die "unable to load regions file\n";
		3371
		3372	for (cf::region::list) {
		3373	$_->{match} = qr/$_->{match}/
		3374	if exists $_->{match};
		3375	}
		3376	}
		3377
2490	sub reload_facedata {	3378	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3379	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3380	or die "unable to load facedata\n";
2493	}	3381	}
2494		3382
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3383	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3384	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3385	or die "unable to load archetypes\n";
2503	}	3386	}
2504		3387
2505	sub reload_treasures {	3388	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3389	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3390	or die "unable to load treasurelists\n";
2508	}	3391	}
2509		3392
2510	sub reload_resources {	3393	sub reload_resources {
2511	warn "reloading resource files...\n";	3394	warn "reloading resource files...\n";
2512		3395
2513	reload_regions;
2514	reload_facedata;	3396	reload_facedata;
2515	reload_archetypes;	3397	reload_archetypes;
		3398	reload_regions;
2516	reload_treasures;	3399	reload_treasures;
2517		3400
2518	warn "finished reloading resource files\n";	3401	warn "finished reloading resource files\n";
2519	}	3402	}
2520		3403
2521	sub init {	3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
2522	reload_resources;	3409	reload_resources;
2523	}	3410	}
2524		3411
2525	sub cfg_load {	3412	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3414	or return;
2528		3415
2529	local $/;	3416	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
2531		3418
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3420
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3421	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2546	sub main {	3433	sub main {
2547	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3437	(async {
2551	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2553	};	3441	};
2554		3442
2555	cfg_load;	3443	{
		3444	my $guard = freeze_mainloop;
		3445	reload_config;
2556	db_init;	3446	db_init;
2557	load_extensions;	3447	load_extensions;
2558		3448
2559	$TICK_WATCHER->start;	3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
2560	Event::loop;	3452	EV::loop;
2561	}	3453	}
2562		3454
2563	#############################################################################	3455	#############################################################################
2564	# initialisation and cleanup	3456	# initialisation and cleanup
2565		3457
2566	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
2567	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3463	cf::cleanup "SIG$signal";
2576	},
2577	);	3464	};
		3465	}
		3466	}
		3467
		3468	sub write_runtime_sync {
		3469	my $runtime = "$LOCALDIR/runtime";
		3470
		3471	# first touch the runtime file to show we are still running:
		3472	# the fsync below can take a very very long time.
		3473
		3474	IO::AIO::aio_utime $runtime, undef, undef;
		3475
		3476	my $guard = cf::lock_acquire "write_runtime";
		3477
		3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3479	or return;
		3480
		3481	my $value = $cf::RUNTIME + 90 + 10;
		3482	# 10 is the runtime save interval, for a monotonic clock
		3483	# 60 allows for the watchdog to kill the server.
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	# touch it again to show we are up-to-date
		3493	aio_utime $fh, undef, undef;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$runtime~", $runtime
		3499	and return;
		3500
		3501	warn "runtime file written.\n";
		3502
2578	}	3503	1
		3504	}
		3505
		3506	our $uuid_lock;
		3507	our $uuid_skip;
		3508
		3509	sub write_uuid_sync($) {
		3510	$uuid_skip ||= $_[0];
		3511
		3512	return if $uuid_lock;
		3513	local $uuid_lock = 1;
		3514
		3515	my $uuid = "$LOCALDIR/uuid";
		3516
		3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2579	}	3547	}
2580		3548
2581	sub emergency_save() {	3549	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2583		3551
…		…
2589	# and maps saved/destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
2591	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3563	$pl->save;
2595	}	3564	}
2596	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
2597		3566
2598	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
2604	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
2605		3574
2606	warn "begin emergency database checkpoint\n";	3575	warn "begin emergency database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3576	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3577	warn "end emergency database checkpoint\n";
		3578
		3579	warn "begin write uuid\n";
		3580	write_uuid_sync 1;
		3581	warn "end write uuid\n";
2609	};	3582	};
2610		3583
2611	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
2612	}	3585	}
2613		3586
…		…
2615	my ($make_core) = @_;	3588	my ($make_core) = @_;
2616		3589
2617	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3591	if $make_core;
2619	}	3592	}
		3593
		3594	# a safer delete_package, copied from Symbol
		3595	sub clear_package($) {
		3596	my $pkg = shift;
		3597
		3598	# expand to full symbol table name if needed
		3599	unless ($pkg =~ /^main::.*::$/) {
		3600	$pkg = "main$pkg" if $pkg =~ /^::/;
		3601	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3602	$pkg .= '::' unless $pkg =~ /::$/;
		3603	}
		3604
		3605	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3606	my $stem_symtab = *{$stem}{HASH};
		3607
		3608	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3609	or return;
		3610
		3611	# clear all symbols
		3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3613	for my $name (keys %$leaf_symtab) {
		3614	_gv_clear *{"$pkg$name"};
		3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3616	}
		3617	warn "cleared package #$pkg\n";#d#
		3618	}
		3619
		3620	our $RELOAD; # how many times to reload
2620		3621
2621	sub do_reload_perl() {	3622	sub do_reload_perl() {
2622	# can/must only be called in main	3623	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
2624	warn "can only reload from main coroutine";	3625	warn "can only reload from main coroutine";
2625	return;	3626	return;
2626	}	3627	}
2627		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
2628	warn "reloading...";	3632	warn "reloading...";
2629		3633
2630	warn "entering sync_job";	3634	warn "entering sync_job";
2631		3635
2632	cf::sync_job {	3636	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3638	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
2636		3640
2637	warn "syncing database to disk";	3641	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3642	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3643
2640	# if anything goes wrong in here, we should simply crash as we already saved	3644	# if anything goes wrong in here, we should simply crash as we already saved
2641		3645
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3646	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3647	while (IO::AIO::nreqs || BDB::nreqs) {
2653	warn "iterate...";	3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();
2661
2662	warn "removing commands";
2663	%COMMAND = ();
2664
2665	warn "removing ext commands";
2666	%EXTCMD = ();
2667
2668	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";
2671
2672	if (my $cb = $pkg->can ("unload")) {
2673	eval {
2674	$cb->($pkg);
2675	1
2676	} or warn "$pkg unloaded, but with errors: $@";
2677	}	3649	}
2678		3650
2679	warn "... nuking $pkg";	3651	warn "cancelling all extension coros";
2680	Symbol::delete_package $pkg;	3652	$_->cancel for values %EXT_CORO;
2681	}	3653	%EXT_CORO = ();
2682		3654
2683	warn "unloading all perl modules loaded from $LIBDIR";	3655	warn "removing commands";
2684	while (my ($k, $v) = each %INC) {	3656	%COMMAND = ();
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
2687	warn "... unloading $k";	3664	warn "... unloading $pkg";
2688	delete $INC{$k};
2689		3665
2690	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;
2692
2693	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
2694	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
2695	}	3675	}
2696		3676
2697	Symbol::delete_package $k;	3677	warn "unloading all perl modules loaded from $LIBDIR";
		3678	while (my ($k, $v) = each %INC) {
		3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3680
		3681	warn "... unloading $k";
		3682	delete $INC{$k};
		3683
		3684	$k =~ s/\.pm$//;
		3685	$k =~ s/\//::/g;
		3686
		3687	if (my $cb = $k->can ("unload_module")) {
		3688	$cb->();
		3689	}
		3690
		3691	clear_package $k;
2698	}	3692	}
2699		3693
2700	warn "getting rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3697
2704	warn "unloading cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	3700	delete $INC{"cf/pod.pm"};
2707		3701
2708	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
2709	# and global variables created in xs	3703	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
2711		3705
2712	warn "unload completed, starting to reload now";	3706	warn "unload completed, starting to reload now";
2713		3707
2714	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
2715	require cf;	3709	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2717		3711
2718	warn "loading config and database again";	3712	warn "loading config and database again";
2719	cf::cfg_load;	3713	cf::reload_config;
2720		3714
2721	warn "loading extensions";	3715	warn "loading extensions";
2722	cf::load_extensions;	3716	cf::load_extensions;
2723		3717
2724	warn "reattaching attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	3719	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	3720	warn "reattaching attachments to maps";
2727	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	3722	warn "reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	3723	reattach $_ for values %PLAYER;
2730		3724
2731	warn "leaving sync_job";	3725	warn "leaving sync_job";
2732		3726
2733	1	3727	1
2734	} or do {	3728	} or do {
2735	warn $@;	3729	warn $@;
2736	warn "error while reloading, exiting.";	3730	cf::cleanup "error while reloading, exiting.";
2737	exit 1;
2738	};	3731	};
2739		3732
2740	warn "reloaded";	3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
2741	};	3736	};
2742		3737
2743	our $RELOAD_WATCHER; # used only during reload	3738	our $RELOAD_WATCHER; # used only during reload
2744		3739
2745	sub reload_perl() {	3740	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	3741	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	3742	# coro crashes during coro_state_free->destroy here.
2748		3743
2749	$RELOAD_WATCHER ||= Event->timer (	3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2750	reentrant => 0,
2751	after => 0,
2752	data => WF_AUTOCANCEL,
2753	cb => sub {
2754	do_reload_perl;	3745	do_reload_perl;
2755	undef $RELOAD_WATCHER;	3746	undef $RELOAD_WATCHER;
2756	},
2757	);	3747	};
2758	}	3748	}
2759		3749
2760	register_command "reload" => sub {	3750	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
2762		3752
2763	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	3754	$who->message ("reloading server.");
		3755	async {
		3756	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	3757	reload_perl;
		3758	};
2766	}	3759	}
2767	};	3760	};
2768		3761
2769	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
2770		3763
…		…
2772		3765
2773	our @WAIT_FOR_TICK;	3766	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;	3767	our @WAIT_FOR_TICK_BEGIN;
2775		3768
2776	sub wait_for_tick {	3769	sub wait_for_tick {
2777	return unless $TICK_WATCHER->is_active;
2778	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
2779		3771
2780	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
2781	push @WAIT_FOR_TICK, $signal;	3773	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;	3774	$signal->wait;
2783	}	3775	}
2784		3776
2785	sub wait_for_tick_begin {	3777	sub wait_for_tick_begin {
2786	return unless $TICK_WATCHER->is_active;
2787	return if $Coro::current == $Coro::main;	3778	return if tick_inhibit || $Coro::current == $Coro::main;
2788		3779
2789	my $signal = new Coro::Signal;	3780	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	3781	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	3782	$signal->wait;
2792	}	3783	}
2793		3784
2794	$TICK_WATCHER = Event->timer (	3785	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	3788	unless ++$bug_warning > 10;
2804	return;	3789	return;
2805	}	3790	}
2806		3791
2807	$NOW = Event::time;
2808
2809	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
2810		3793
2811	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;
2813
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	3796	Coro::async_pool {
		3797	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	3798	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	3799	or warn "ERROR: unable to write runtime file: $!";
2819	};
2820	}	3800	};
		3801	}
2821		3802
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	3804	$sig->send;
2833	}	3805	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {	3806	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;	3807	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	3808	}
2840	);	3809
		3810	$LOAD = ($NOW - $TICK_START) / $TICK;
		3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3812
		3813	if (0) {
		3814	if ($NEXT_TICK) {
		3815	my $jitter = $TICK_START - $NEXT_TICK;
		3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3817	warn "jitter $JITTER\n";#d#
		3818	}
		3819	}
		3820	}
2841		3821
2842	{	3822	{
2843	BDB::max_poll_time $TICK * 0.1;	3823	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	3824
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	3825	BDB::min_parallel 8;
2853		3826	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	3827	$AnyEvent::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		3828
2869	unless ($DB_ENV) {	3829	unless ($DB_ENV) {
2870	$DB_ENV = BDB::db_env_create;	3830	$DB_ENV = BDB::db_env_create;
		3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3833	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3834	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3835	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2871		3836
2872	cf::sync_job {	3837	cf::sync_job {
2873	eval {	3838	eval {
2874	BDB::db_env_open	3839	BDB::db_env_open
2875	$DB_ENV,	3840	$DB_ENV,
2876	$BDB_ENV_DIR,	3841	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3842	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	3844	0666;
2880		3845
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	3847	};
2886		3848
2887	cf::cleanup "db_env_open(db): $@" if $@;	3849	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	3850	};
2889	}	3851	}
		3852
		3853	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3854	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3855	};
		3856	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3858	};
		3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3861	};
2890	}	3862	}
2891		3863
2892	{	3864	{
		3865	# configure IO::AIO
		3866
2893	IO::AIO::min_parallel 8;	3867	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	3868	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	3869	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	3870	}
2899	data => WF_AUTOCANCEL,	3871
2900	fd => IO::AIO::poll_fileno,	3872	my $_log_backtrace;
2901	poll => 'r',	3873
2902	prio => 6,	3874	sub _log_backtrace {
2903	cb => \&IO::AIO::poll_cb,	3875	my ($msg, @addr) = @_;
2904	);	3876
		3877	$msg =~ s/\n//;
		3878
		3879	# limit the # of concurrent backtraces
		3880	if ($_log_backtrace < 2) {
		3881	++$_log_backtrace;
		3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
		3885	my @bt = fork_call {
		3886	@addr = map { sprintf "%x", $_ } @addr;
		3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3888	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3889	or die "addr2line: $!";
		3890
		3891	my @funcs;
		3892	my @res = <$fh>;
		3893	chomp for @res;
		3894	while (@res) {
		3895	my ($func, $line) = splice @res, 0, 2, ();
		3896	push @funcs, "[$func] $line";
		3897	}
		3898
		3899	@funcs
		3900	};
		3901
		3902	LOG llevInfo, "[ABT] $msg\n";
		3903	LOG llevInfo, "[ABT] $_\n" for @bt;
		3904	--$_log_backtrace;
		3905	};
		3906	} else {
		3907	LOG llevInfo, "[ABT] $msg\n";
		3908	LOG llevInfo, "[ABT] [suppressed]\n";
		3909	}
2905	}	3910	}
2906		3911
2907	# load additional modules	3912	# load additional modules
2908	use cf::pod;	3913	use cf::pod;
2909		3914

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