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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.414 by root, Thu Apr 10 09:10:45 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
21		47
		48	use JSON::XS 2.01 ();
22	use BDB ();	49	use BDB ();
23	use Data::Dumper;	50	use Data::Dumper;
24	use Digest::MD5;	51	use Digest::MD5;
25	use Fcntl;	52	use Fcntl;
		53	use YAML ();
26	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
27	use YAML::Syck ();
28	use Time::HiRes;	55	use Time::HiRes;
29	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
30		58
		59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
33	$Event::Eval = 1; # no idea why this is required, but it is	64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
34		66
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		68
42	our %COMMAND = ();	69	our %COMMAND = ();
43	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
44		71
45	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
49		77
50	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
51	our @EVENT;	79	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		80
54	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
56	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	97	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		99
62	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	104	our $DB_ENV;
64		105
65	our %CFG;	106	our %CFG;
66		107
67	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
69		111
70	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		115
79	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
82	binmode STDOUT;	124	binmode STDOUT;
83	binmode STDERR;	125	binmode STDERR;
84		126
85	# read virtual server time, if available	127	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
90	}	132	}
91		133
92	mkdir cf::localdir;	134	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		136
99	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
100		138
101	sub cf::map::normalise;	139	sub cf::map::normalise;
102		140
…		…
113	=item $cf::RUNTIME	151	=item $cf::RUNTIME
114		152
115	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
116	every server tick.	154	every server tick.
117		155
118	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		159
120	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
122		164
123	=item $cf::NOW	165	=item $cf::NOW
124		166
125	The time of the last (current) server tick.	167	The time of the last (current) server tick.
126		168
127	=item $cf::TICK	169	=item $cf::TICK
128		170
129	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
130		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
131	=item %cf::CFG	183	=item %cf::CFG
132		184
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	186	from wherever your confdir points to.
135		187
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		189
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
142		199
143	=back	200	=back
144		201
145	=cut	202	=cut
146		203
147	BEGIN {	204	BEGIN {
148	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	206	my $msg = join "", @_;
150	utf8::encode $msg;
151		207
152	$msg .= "\n"	208	$msg .= "\n"
153	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
154		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
155	LOG llevError, $msg;	213	LOG llevError, $msg;
156	};	214	};
157	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
158		231
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		239
166	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	241	# within the Safe compartment.
168	for my $pkg (qw(	242	for my $pkg (qw(
169	cf::global cf::attachable	243	cf::global cf::attachable
…		…
174	)) {	248	)) {
175	no strict 'refs';	249	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	251	}
178		252
179	$Event::DIED = sub {	253	$EV::DIED = sub {
180	warn "error in event callback: @_";	254	warn "error in event callback: @_";
181	};	255	};
		256
		257	#############################################################################
182		258
183	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
184		260
185	=over 4	261	=over 4
186		262
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	282	$d
207	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
208	}	284	}
209		285
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
213		287
214	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
215		289
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
224		291
225	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
226		293
227	=cut	294	=cut
228		295
229	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
231	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
232	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
233		300
234	=item cf::lock_wait $string	301	=item cf::lock_wait $string
235		302
236	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
237		304
…		…
240	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
243	returned.	310	returned.
244		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
245	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
247		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
248	=cut	322	=cut
249		323
250	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
251		326
252	sub lock_wait($) {	327	sub lock_wait($) {
253	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
254		334
255	# wait for lock, if any	335	# wait for lock, if any
256	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	338	Coro::schedule;
…		…
264		344
265	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
266	lock_wait $key;	346	lock_wait $key;
267		347
268	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
269		350
270	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
273	}	355	}
274	}	356	}
275		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
276	sub freeze_mainloop {	364	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
278		366
279	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
280	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
281	};	428	}
282	$TICK_WATCHER->stop;	429	};
283	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
284	}	441	}
285		442
286	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
287		444
288	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		450
294	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
295		452
296	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
297		454
298	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
301		459
302	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
305	fast or be very important.	463	fast or be very important.
…		…
308		466
309	sub sync_job(&) {	467	sub sync_job(&) {
310	my ($job) = @_;	468	my ($job) = @_;
311		469
312	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
313	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
315		475
316	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	477
318	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
319		479
320	my $busy = 1;	480	my $busy = 1;
321	my @res;	481	my @res;
322		482
323	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	485	@res = eval { $job->() };
325	warn $@ if $@;	486	warn $@ if $@;
326	undef $busy;	487	undef $busy;
327	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
328		489
329	while ($busy) {	490	while ($busy) {
330	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
331	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
332		501
333	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
334	} else {	503	} else {
335	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
336		505
…		…
356	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
357		526
358	$coro	527	$coro
359	}	528	}
360		529
361	sub write_runtime {	530	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		531
364	my $runtime = cf::localdir . "/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
365		536
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
367	or return;
368		538
369	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		541
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
374	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
375		545
376	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	547	reset_signals;
378	and return;	548	&$cb
		549	}, @args;
379		550
380	close $fh	551	wantarray ? @res : $res[-1]
381	or return;	552	}
382		553
383	aio_rename "$runtime~", $runtime	554	=item $value = cf::db_get $family => $key
384	and return;
385		555
		556	Returns a single value from the environment database.
		557
		558	=item cf::db_put $family => $key => $value
		559
		560	Stores the given C<$value> in the family. It can currently store binary
		561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
386	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
		679	}
		680
		681	=item cf::datalog type => key => value, ...
		682
		683	Log a datalog packet of the given type with the given key-value pairs.
		684
		685	=cut
		686
		687	sub datalog($@) {
		688	my ($type, %kv) = @_;
		689	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	690	}
388		691
389	=back	692	=back
390		693
391	=cut	694	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
400		703
401	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	706	Deliantra).
404		707
405	=over 4	708	=over 4
406		709
407	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
408		711
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
572		875
573	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		880
578	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	882	my $pkg = shift @arg;
580		883
581	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
611	}	914	}
612		915
613	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
614	} else {	917	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	919	}
617		920
618	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
619	}	922	}
620		923
…		…
622	if (ref $_[0]) {	925	if (ref $_[0]) {
623	_object_attach @_;	926	_object_attach @_;
624	} else {	927	} else {
625	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
626	}	929	}
		930	_recalc_want;
627	};	931	};
628		932
629	# all those should be optimised	933	# all those should be optimised
630	sub cf::attachable::detach {	934	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
635	reattach ($obj);	939	reattach ($obj);
636	} else {	940	} else {
637	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
638	}	942	}
		943	_recalc_want;
639	};	944	};
640		945
641	sub cf::attachable::attached {	946	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
643		948
…		…
658	";	963	";
659	die if $@;	964	die if $@;
660	}	965	}
661		966
662	our $override;	967	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		969
665	sub override {	970	sub override {
666	$override = 1;	971	$override = 1;
667	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
668	}	973	}
669		974
670	sub do_invoke {	975	sub do_invoke {
671	my $event = shift;	976	my $event = shift;
672	my $callbacks = shift;	977	my $callbacks = shift;
673		978
674	@invoke_results = ();	979	@INVOKE_RESULTS = ();
675		980
676	local $override;	981	local $override;
677		982
678	for (@$callbacks) {	983	for (@$callbacks) {
679	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
688	}	993	}
689		994
690	0	995	0
691	}	996	}
692		997
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		999
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1001
697	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
698		1003
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1005	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1007
703	=back	1008	=back
704		1009
705	=cut	1010	=cut
706		1011
707	#############################################################################	1012	#############################################################################
708	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
709		1056
710	sub reattach {	1057	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1059	my ($obj) = @_;
713		1060
…		…
734	cf::attachable->attach (	1081	cf::attachable->attach (
735	prio => -1000000,	1082	prio => -1000000,
736	on_instantiate => sub {	1083	on_instantiate => sub {
737	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
738		1085
739	$data = from_json $data;	1086	$data = decode_json $data;
740		1087
741	for (@$data) {	1088	for (@$data) {
742	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
743		1090
744	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1107	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
762		1109
763	sync_job {	1110	sync_job {
764	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
767		1115
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1120	close $fh;
773		1121
774	if (@$objs) {	1122	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1128	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
782	}	1130	}
…		…
790	}	1138	}
791	} else {	1139	} else {
792	aio_unlink $filename;	1140	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
794	}	1142	}
795	}	1143	};
796	}	1144	}
797		1145
798	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
800		1148
…		…
812	or return;	1160	or return;
813		1161
814	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
816	or return;	1164	or return;
		1165
817	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
818	}	1168	}
819		1169
		1170	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
822	return ($data, $av);	1174	($data, $av)
823	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
824		1182
825	#############################################################################	1183	#############################################################################
826	# command handling &c	1184	# command handling &c
827		1185
828	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1200	}
843		1201
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1203
846	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
847		1209
848	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
849	called.	1211	called.
850		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
851	=cut	1224	=cut
852		1225
853	sub register_extcmd {	1226	sub register_extcmd {
854	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
855		1228
856	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
857	}	1236	}
858		1237
859	cf::player->attach (	1238	cf::player->attach (
860	on_command => sub {	1239	on_command => sub {
861	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1249	cf::override;
871	},	1250	},
872	on_extcmd => sub {	1251	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
874		1253
875	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1255
877	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
883	} else {	1271	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1273	}
886		1274
887	cf::override;	1275	cf::override;
888	},	1276	},
889	);	1277	);
890		1278
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
926	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1284	next unless -r $path;
928	eval {	1285
929	load_extension $ext;	1286	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1287	my $base = $1;
		1288	my $pkg = $1;
		1289	$pkg =~ s/[^[:word:]]/_/g;
		1290	$pkg = "ext::$pkg";
		1291
		1292	open my $fh, "<:utf8", $path
		1293	or die "$path: $!";
		1294
		1295	my $source = do { local $/; <$fh> };
		1296
		1297	my %ext = (
		1298	path => $path,
		1299	base => $base,
		1300	pkg => $pkg,
		1301	);
		1302
		1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1305
		1306	$ext{source} =
		1307	"package $pkg; use strict; use utf8;\n"
		1308	. "#line 1 \"$path\"\n{\n"
		1309	. $source
		1310	. "\n};\n1";
		1311
		1312	$todo{$base} = \%ext;
		1313	}
		1314
		1315	my %done;
		1316	while (%todo) {
		1317	my $progress;
		1318
		1319	while (my ($k, $v) = each %todo) {
		1320	for (split /,\s*/, $v->{meta}{depends}) {
		1321	goto skip
		1322	unless exists $done{$_};
		1323	}
		1324
		1325	warn "... loading '$k' into '$v->{pkg}'\n";
		1326
		1327	unless (eval $v->{source}) {
		1328	my $msg = $@ ? "$v->{path}: $@\n"
		1329	: "$v->{base}: extension inactive.\n";
		1330
		1331	if (exists $v->{meta}{mandatory}) {
		1332	warn $msg;
		1333	cf::cleanup "mandatory extension failed to load, exiting.";
		1334	}
		1335
		1336	warn $msg;
		1337	}
		1338
		1339	$done{$k} = delete $todo{$k};
		1340	push @EXTS, $v->{pkg};
		1341	$progress = 1;
930	1	1342	}
931	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
932	}	1348	};
933	}	1349	}
934		1350
935	#############################################################################	1351	#############################################################################
936		1352
		1353	=back
		1354
937	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
938		1356
939	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
940		1358
941	=cut	1359	=cut
…		…
946		1364
947	=head3 cf::player	1365	=head3 cf::player
948		1366
949	=over 4	1367	=over 4
950		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
		1382
951	=item cf::player::find $login	1383	=item cf::player::find $login
952		1384
953	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
954		1386
955	=cut	1387	=cut
956		1388
957	sub playerdir($) {	1389	sub playerdir($) {
958	cf::localdir	1390	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1391	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1392	}
964		1393
965	sub path($) {	1394	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1395	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1396
968	(playerdir $login) . "/$login.pl"	1397	(playerdir $login) . "/playerdata"
969	}	1398	}
970		1399
971	sub find_active($) {	1400	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1401	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1402	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1415	my $login = $_[0];
987		1416
988	my $guard = cf::lock_acquire "user_find:$login";	1417	my $guard = cf::lock_acquire "user_find:$login";
989		1418
990	$cf::PLAYER{$_[0]} || do {	1419	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1420	# rename old playerfiles to new ones
		1421	#TODO: remove when no longer required
		1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1425	aio_unlink +(playerdir $login) . "/$login.pl";
		1426
		1427	my $f = new_from_file cf::object::thawer path $login
992	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
994	}	1435	}
995	}	1436	}
996	}	1437	}
997		1438
…		…
1007		1448
1008	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1010		1451
1011	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1012	Coro::cede;	1453	cf::cede_to_tick;
1013	}	1454	}
1014		1455
1015	sub new($) {	1456	sub new($) {
1016	my ($login) = @_;	1457	my ($login) = @_;
1017		1458
…		…
1021	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1022		1463
1023	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1024		1465
1025	$self	1466	$self
		1467	}
		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
1026	}	1477	}
1027		1478
1028	=item $pl->quit_character	1479	=item $pl->quit_character
1029		1480
1030	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1530	while and may block, so not sync_job-capable, ever.
1080		1531
1081	=cut	1532	=cut
1082		1533
1083	sub list_logins {	1534	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1535	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1536	or return [];
1086		1537
1087	my @logins;	1538	my @logins;
1088		1539
1089	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1093		1549
1094	utf8::decode $login;	1550	utf8::decode $login;
1095	push @logins, $login;	1551	push @logins, $login;
1096	}	1552	}
1097		1553
…		…
1124	}	1580	}
1125		1581
1126	\@paths	1582	\@paths
1127	}	1583	}
1128		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1130		1679
1131	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1132		1681
1133	=cut	1682	=cut
1134		1683
1135	sub ext_reply($$$%) {	1684	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1137		1686
1138	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1688	}
1142		1689
1143	package cf;	1690	=item $player->ext_msg ($type, @msg)
		1691
		1692	Sends an ext event to the client.
		1693
		1694	=cut
		1695
		1696	sub ext_msg($$@) {
		1697	my ($self, $type, @msg) = @_;
		1698
		1699	$self->ns->ext_msg ($type, @msg);
		1700	}
		1701
		1702	=head3 cf::region
		1703
		1704	=over 4
		1705
		1706	=cut
		1707
		1708	package cf::region;
		1709
		1710	=item cf::region::find_by_path $path
		1711
		1712	Tries to decuce the likely region for a map knowing only its path.
		1713
		1714	=cut
		1715
		1716	sub find_by_path($) {
		1717	my ($path) = @_;
		1718
		1719	my ($match, $specificity);
		1720
		1721	for my $region (list) {
		1722	if ($region->{match} && $path =~ $region->{match}) {
		1723	($match, $specificity) = ($region, $region->specificity)
		1724	if $region->specificity > $specificity;
		1725	}
		1726	}
		1727
		1728	$match
		1729	}
1144		1730
1145	=back	1731	=back
1146
1147		1732
1148	=head3 cf::map	1733	=head3 cf::map
1149		1734
1150	=over 4	1735	=over 4
1151		1736
…		…
1206	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1207		1792
1208	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1209	local $self->{path};	1794	local $self->{path};
1210	local $self->{load_path};	1795	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1796
1214	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1215	}	1798	}
1216		1799
1217	sub normalise {	1800	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1265	return $self;	1848	return $self;
1266	}	1849	}
1267	}	1850	}
1268		1851
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1853	()
1271	}	1854	}
1272		1855
1273	sub init {	1856	sub init {
1274	my ($self) = @_;	1857	my ($self) = @_;
…		…
1289		1872
1290	# the original (read-only) location	1873	# the original (read-only) location
1291	sub load_path {	1874	sub load_path {
1292	my ($self) = @_;	1875	my ($self) = @_;
1293		1876
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1877	"$MAPDIR/$self->{path}.map"
1295	}	1878	}
1296		1879
1297	# the temporary/swap location	1880	# the temporary/swap location
1298	sub save_path {	1881	sub save_path {
1299	my ($self) = @_;	1882	my ($self) = @_;
1300		1883
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1885	"$TMPDIR/$path.map"
1303	}	1886	}
1304		1887
1305	# the unique path, undef == no special unique path	1888	# the unique path, undef == no special unique path
1306	sub uniq_path {	1889	sub uniq_path {
1307	my ($self) = @_;	1890	my ($self) = @_;
1308		1891
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1893	"$UNIQUEDIR/$path"
1311	}	1894	}
1312		1895
1313	# and all this just because we cannot iterate over	1896	# and all this just because we cannot iterate over
1314	# all maps in C++...	1897	# all maps in C++...
1315	sub change_all_map_light {	1898	sub change_all_map_light {
…		…
1317		1900
1318	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1320	}	1903	}
1321		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1322	sub unlink_save {	1913	sub unlink_save {
1323	my ($self) = @_;	1914	my ($self) = @_;
1324		1915
1325	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1920
1330	sub load_header_from($) {	1921	sub load_header_from($) {
1331	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1332		1923
1333	utf8::encode $path;	1924	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1339		1933
1340	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1341		1935
1342	1	1936	1
1343	}	1937	}
…		…
1382	$self->load_header_orig	1976	$self->load_header_orig
1383	or return;	1977	or return;
1384	$self->prepare_orig;	1978	$self->prepare_orig;
1385	}	1979	}
1386		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
		1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
		1986
1387	1	1987	1
1388	}	1988	}
1389		1989
1390	sub find;	1990	sub find;
1391	sub find {	1991	sub find {
1392	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1393		1993
1394	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1395		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1397		1998
1398	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1400	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1401	or return;	2004	or return;
1402		2005
1403	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1404		2007
1405	$map->load_header	2008	$map->load_header
1406	or return;	2009	or return;
1407		2010
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1411	$map->reset;	2016	$map->reset;
1412	undef $guard;
1413	return find $path;	2017	return find $path;
1414	}	2018	}
1415		2019
1416	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1417	}	2021	}
…		…
1424	my ($self) = @_;	2028	my ($self) = @_;
1425		2029
1426	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1427		2031
1428	my $path = $self->{path};	2032	my $path = $self->{path};
		2033
		2034	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1430		2036
		2037	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2039
1433	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1434		2041
1435	$self->alloc;	2042	$self->alloc;
1436		2043
1437	$self->pre_load;	2044	$self->pre_load;
		2045	cf::cede_to_tick;
1438		2046
1439	$self->_load_objects ($self->{load_path}, 1)	2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
		2049	$self->_load_objects ($f)
1440	or return;	2050	or return;
1441		2051
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	2053	if delete $self->{load_original};
1444		2054
1445	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2056	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2059	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1450	}	2063	}
1451	}	2064	}
1452		2065
1453	Coro::cede;	2066	$f->resolve_delayed_derefs;
1454		2067
		2068	cf::cede_to_tick;
1455	# now do the right thing for maps	2069	# now do the right thing for maps
1456	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2072	unless $self->difficulty;
1466	Coro::cede;	2073	cf::cede_to_tick;
		2074
		2075	unless ($self->{deny_activate}) {
		2076	$self->decay_objects;
		2077	$self->fix_auto_apply;
		2078	$self->update_buttons;
		2079	cf::cede_to_tick;
		2080	$self->set_darkness_map;
		2081	cf::cede_to_tick;
1467	$self->activate;	2082	$self->activate;
		2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
		2087
		2088	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	2089	}
1469		2090
1470	$self->post_load;	2091	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2092	}
1474		2093
1475	sub customise_for {	2094	sub customise_for {
1476	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1477		2096
1478	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2098	if $self->per_player;
1480		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1481	$self	2103	$self
1482	}	2104	}
1483		2105
1484	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2107	sub load_neighbours {
1486	my ($map) = @_;	2108	my ($map) = @_;
1487		2109
1488	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1489		2111
1490	for (0 .. 3) {	2112	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1492	or next;	2114	or next;
1493	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1494	or next;	2116	or next;
1495	$neigh->load;	2117	$neigh->load;
1496		2118
		2119	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2122	}
1500		2123
1501	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1503	or next;	2127	or next;
1504	$neigh->load;	2128	$neigh->load;
1505	}	2129	}
1506	}	2130	}
1507		2131
…		…
1512	}	2136	}
1513		2137
1514	sub do_load_sync {	2138	sub do_load_sync {
1515	my ($map) = @_;	2139	my ($map) = @_;
1516		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1517	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1518	}	2145	}
1519		2146
1520	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1522		2149
1523	sub find_async {	2150	sub find_async {
1524	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1525		2152
1526	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1527		2154
1528	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2157	}
1531		2158
1532	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1533	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1534	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2166	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2167	$map->load if $v;
		2168	}
1539		2169
1540	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1541	}	2171	}
1542	}	2172	}
1543	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1544	};	2174	};
1545	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2178	}
1549		2179
1550	sub save {	2180	sub save {
1551	my ($self) = @_;	2181	my ($self) = @_;
1552		2182
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2184
1555	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1556		2186
1557	return unless $self->dirty;	2187	return unless $self->dirty;
1558		2188
…		…
1564	return if $self->{deny_save};	2194	return if $self->{deny_save};
1565		2195
1566	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1567		2197
1568	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1570	};	2201	};
1571		2202
1572	if ($uniq) {	2203	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1581	my ($self) = @_;	2212	my ($self) = @_;
1582		2213
1583	# save first because save cedes	2214	# save first because save cedes
1584	$self->save;	2215	$self->save;
1585		2216
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2218
1588	return if $self->players;	2219	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2221	return if $self->{deny_save};
1591		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2227	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2228	}
1595		2229
1596	sub reset_at {	2230	sub reset_at {
1597	my ($self) = @_;	2231	my ($self) = @_;
1598		2232
1599	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1602		2235
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2238
…		…
1616	my ($self) = @_;	2249	my ($self) = @_;
1617		2250
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2252
1620	return if $self->players;	2253	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2254
1623	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1624		2256
1625	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1626		2258
1627	# need to save uniques path	2259	# need to save uniques path
1628	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2264	if $uniq;
1633	}	2265	}
1634		2266
1635	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1636		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2271	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2272
1641	$self->unlink_save;	2273	$self->unlink_save;
1642	$self->destroy;	2274	$self->destroy;
1643	}	2275	}
1644		2276
1645	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1646		2278
1647	sub nuke {	2279	sub nuke {
1648	my ($self) = @_;	2280	my ($self) = @_;
1649		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1650	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1651		2286
1652	$self->unlink_save;	2287	$self->unlink_save;
1653		2288
1654	bless $self, "cf::map";	2289	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2294
1660	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1661		2297
1662	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
		2299	}
		2300
		2301	=item $maps = cf::map::tmp_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	maps. May block.
		2305
		2306	=cut
		2307
		2308	sub tmp_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise $_
		2314	: ()
		2315	} @{ aio_readdir $TMPDIR or [] }
		2316	]
		2317	}
		2318
		2319	=item $maps = cf::map::random_maps
		2320
		2321	Returns an arrayref with all map paths of currently instantiated and saved
		2322	random maps. May block.
		2323
		2324	=cut
		2325
		2326	sub random_maps() {
		2327	[
		2328	map {
		2329	utf8::decode $_;
		2330	/\.map$/
		2331	? normalise "?random/$_"
		2332	: ()
		2333	} @{ aio_readdir $RANDOMDIR or [] }
		2334	]
1663	}	2335	}
1664		2336
1665	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1666		2338
1667	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2340	instantiated unique items. May block.
1669		2341
1670	=cut	2342	=cut
1671		2343
1672	sub unique_maps() {	2344	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2345	[
1674	or return;	2346	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2347	utf8::decode $_;
1680	next if /\.pst$/;	2348	/\.map$/
1681	next unless /^$PATH_SEP/o;	2349	? normalise $_
1682		2350	: ()
1683	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2352	]
1685
1686	\@paths
1687	}	2353	}
1688		2354
1689	package cf;	2355	package cf;
1690		2356
1691	=back	2357	=back
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1710	}	2376	}
1711		2377
1712	sub inv_recursive {	2378	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
		2380	}
		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
1714	}	2408	}
1715		2409
1716	package cf;	2410	package cf;
1717		2411
1718	=back	2412	=back
…		…
1737		2431
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2433
1740	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1742	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1745	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1746	}	2459	}
1747		2460
1748	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1749		2462
1750	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1798		2511
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2513
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1803		2516
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2518	}
1806		2519
1807	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1809		2524
1810	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1811		2526
1812	unless ($map) {	2527	unless ($map) {
1813	# restore original map position	2528	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1830		2545
1831	$map->load;	2546	$map->load;
1832	$map->load_diag;	2547	$map->load_neighbours;
1833		2548
1834	return unless $self->contr->active;	2549	return unless $self->contr->active;
1835	$self->activate_recursive;	2550	$self->activate_recursive;
1836		2551
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1839	}	2554	}
1840		2555
1841	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2557
1845	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1849	};	2562	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2563
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1876		2567
1877	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
		2570
		2571	# do generation counting so two concurrent goto's will be executed in-order
		2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2573
1880	$self->enter_link;	2574	$self->enter_link;
1881		2575
1882	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
1883	my $map = eval {	2598	my $map = eval {
1884	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
		2603	$map = $check->($map) if $check && $map;
		2604	} else {
		2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
		2607
1886	$map	2608	$map
		2609	};
		2610
		2611	if ($@) {
		2612	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2614	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1891	})->prio (1);	2622	})->prio (1);
1892	}	2623	}
1893		2624
1894	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1895		2626
…		…
1932	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
1933	}	2664	}
1934		2665
1935	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
1936		2667
1937	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
1940		2671
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2674	undef $fh;
1944	aio_rename "$meta~", $meta;	2675	aio_rename "$meta~", $meta;
…		…
1953		2684
1954	return unless $self->type == cf::PLAYER;	2685	return unless $self->type == cf::PLAYER;
1955		2686
1956	if ($exit->slaying eq "/!") {	2687	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2689	# the problem is that $exit might not survive long enough
		2690	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2691	cf::sync_job { prepare_random_map $exit };
1959	}	2692	}
1960		2693
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
1964		2697
1965	$self->enter_link;	2698	$self->enter_link;
1966		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
1967	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
1968	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2708	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
1971		2710
1972	1;	2711	1;
1973	}) {	2712	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2717
1979	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2719	$self->leave_link;
1981	}	2720	}
1982	})->prio (1);	2721	})->prio (1);
…		…
1998		2737
1999	utf8::encode $text;	2738	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2740	}
2002		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
		2866	=item $client->ext_msg ($type, @msg)
		2867
		2868	Sends an ext event to the client.
		2869
		2870	=cut
		2871
		2872	sub cf::client::ext_msg($$@) {
		2873	my ($self, $type, @msg) = @_;
		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
		2878	push @msg, msgtype => "event_$type";
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
		2899	}
2003		2900
2004	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2005		2902
2006	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2906
2010	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2908	become reliable at some point in the future.
2012		2909
2013	=cut	2910	=cut
2014		2911
2015	sub cf::client::query {	2912	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2921	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2923
2027	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2029	}	2928	}
2030		2929
2031	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
2032	on_reply => sub {	2936	on_reply => sub {
2033	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2034		2938
2035	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2036	# get handled first	2940	# get handled first
…		…
2048	} else {	2952	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2954	}
2051	}	2955	}
2052	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
2053	);	2983	);
2054		2984
2055	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2056		2986
2057	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2100		3030
2101	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2102		3032
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2104		3038
2105	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2106		3040
2107	=pod	3041	=pod
2108		3042
2109	The following fucntions and emthods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2110		3044
2111	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2112	cf::object::player player	3049	cf::object::player
2113	cf::player peaceful	3050	player
2114	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2115		3057
2116	=cut	3058	=cut
2117		3059
2118	for (	3060	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2120	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2123	) {	3067	) {
2124	no strict 'refs';	3068	no strict 'refs';
…		…
2195	=back	3139	=back
2196		3140
2197	=cut	3141	=cut
2198		3142
2199	#############################################################################	3143	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3144	# the server's init and main functions
2273		3145
2274	sub load_faces {	3146	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3147	my ($path) = @_;
2276		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3154
2277	warn "loading faces from $path\n";	3155	warn "loading facedata from $path\n";
2278		3156
2279	my $faces;	3157	my $facedata;
2280	0 < aio_load $path, $faces	3158	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3159	or die "$path: $!";
2282		3160
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3161	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3162
		3163	$facedata->{version} == 2
		3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
		3173	{
		3174	my $faces = $facedata->{faceinfo};
		3175
2287	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3178
		3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2292	}
2293		3183
		3184	cf::cede_to_tick;
		3185	}
		3186
2294	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2296	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2297	or next;	3191	or next;
		3192
2298	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	3194	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301	} else {	3196	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	3198	}
2304	Coro::cede;	3199
		3200	cf::cede_to_tick;
		3201	}
		3202	}
		3203
2305	}	3204	{
		3205	my $anims = $facedata->{animinfo};
		3206
		3207	while (my ($anim, $info) = each %$anims) {
		3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3209	cf::cede_to_tick;
		3210	}
		3211
		3212	cf::anim::invalidate_all; # d'oh
		3213	}
		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2306		3249
2307	1	3250	1
2308	}	3251	}
2309		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
		3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
		3286	load_resource_file "$MAPDIR/regions"
		3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
		3293	}
		3294
		3295	sub reload_facedata {
		3296	load_facedata "$DATADIR/facedata"
		3297	or die "unable to load facedata\n";
		3298	}
		3299
		3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
		3308	}
		3309
		3310	sub reload_treasures {
		3311	load_resource_file "$DATADIR/treasures"
		3312	or die "unable to load treasurelists\n";
		3313	}
		3314
2310	sub reload_resources {	3315	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3316	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3317
		3318	reload_regions;
2313	load_faces	3319	reload_facedata;
2314	or die "unable to load faces\n";#d#	3320	#reload_archetypes;#d#
		3321	reload_archetypes;
		3322	reload_treasures;
		3323
		3324	warn "finished reloading resource files\n";
2315	}	3325	}
2316		3326
2317	sub init {	3327	sub init {
2318	reload_resources;	3328	reload_resources;
2319	}	3329	}
2320		3330
2321	sub cfg_load {	3331	sub reload_config {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3333	or return;
2324		3334
2325	local $/;	3335	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2327		3337
2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2329		3339
2330	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2331	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2342	sub main {	3352	sub main {
2343	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2344	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2346	(async {	3356	(async {
2347	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2348	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2349	};	3360	};
2350		3361
2351	cfg_load;	3362	reload_config;
2352	db_init;	3363	db_init;
2353	load_extensions;	3364	load_extensions;
2354		3365
2355	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2356	Event::loop;	3368	EV::loop;
2357	}	3369	}
2358		3370
2359	#############################################################################	3371	#############################################################################
2360	# initialisation and cleanup	3372	# initialisation and cleanup
2361		3373
2362	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2363	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2364	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2365	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2366	reentrant => 0,
2367	data => WF_AUTOCANCEL,
2368	signal => $signal,
2369	prio => 0,
2370	cb => sub {
2371	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2372	},
2373	);	3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
2374	}	3419	1
2375	}	3420	}
2376		3421
2377	sub emergency_save() {	3422	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2379		3424
…		…
2385	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2386	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2387	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2388	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2389	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2390	$pl->save;	3436	$pl->save;
2391	}	3437	}
2392	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2393		3439
2394	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2412		3458
2413	warn Carp::longmess "post_cleanup backtrace"	3459	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3460	if $make_core;
2415	}	3461	}
2416		3462
2417	sub reload() {	3463	sub do_reload_perl() {
2418	# can/must only be called in main	3464	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3465	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	3466	warn "can only reload from main coroutine";
2421	return;	3467	return;
2422	}	3468	}
…		…
2433	warn "syncing database to disk";	3479	warn "syncing database to disk";
2434	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2435		3481
2436	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2437		3483
2438	warn "cancelling all WF_AUTOCANCEL watchers";
2439	for (Event::all_watchers) {
2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2441	}
2442
2443	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2444	for (;;) {	3485	for (;;) {
2445	BDB::flush;	3486	BDB::flush;
2446	IO::AIO::flush;	3487	IO::AIO::flush;
2447	Coro::cede;	3488	Coro::cede_notself;
2448	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2449	warn "iterate...";	3490	warn "iterate...";
2450	}	3491	}
2451		3492
2452	++$RELOAD;	3493	++$RELOAD;
…		…
2456	%EXT_CORO = ();	3497	%EXT_CORO = ();
2457		3498
2458	warn "removing commands";	3499	warn "removing commands";
2459	%COMMAND = ();	3500	%COMMAND = ();
2460		3501
2461	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2462	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2463		3505
2464	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2467		3509
…		…
2497	Symbol::delete_package "safe::$_"	3539	Symbol::delete_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3541
2500	warn "unloading cf.pm \"a bit\"";	3542	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3543	delete $INC{"cf.pm"};
		3544	delete $INC{"cf/pod.pm"};
2502		3545
2503	# don't, removes xs symbols, too,	3546	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3547	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3548	#Symbol::delete_package __PACKAGE__;
2506		3549
…		…
2509	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2510	require cf;	3553	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2512		3555
2513	warn "loading config and database again";	3556	warn "loading config and database again";
2514	cf::cfg_load;	3557	cf::reload_config;
2515		3558
2516	warn "loading extensions";	3559	warn "loading extensions";
2517	cf::load_extensions;	3560	cf::load_extensions;
2518		3561
2519	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2521	warn "reattaching attachments to maps";	3564	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3565	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3566	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3567	reattach $_ for values %PLAYER;
2525		3568
2526	warn "loading reloadable resources";
2527	reload_resources;
2528
2529	warn "leaving sync_job";	3569	warn "leaving sync_job";
2530		3570
2531	1	3571	1
2532	} or do {	3572	} or do {
2533	warn $@;	3573	warn $@;
2534	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2535	exit 1;
2536	};	3575	};
2537		3576
2538	warn "reloaded";	3577	warn "reloaded";
2539	};	3578	};
2540		3579
2541	our $RELOAD_WATCHER; # used only during reload	3580	our $RELOAD_WATCHER; # used only during reload
2542		3581
		3582	sub reload_perl() {
		3583	# doing reload synchronously and two reloads happen back-to-back,
		3584	# coro crashes during coro_state_free->destroy here.
		3585
		3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3587	do_reload_perl;
		3588	undef $RELOAD_WATCHER;
		3589	};
		3590	}
		3591
2543	register_command "reload" => sub {	3592	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2545		3594
2546	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
2548		3597	async {
2549	# doing reload synchronously and two reloads happen back-to-back,	3598	$Coro::current->{desc} = "perl_reload";
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;	3599	reload_perl;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);	3600	};
2561	}	3601	}
2562	};	3602	};
2563		3603
2564	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2565		3605
2566	my $bug_warning = 0;	3606	my $bug_warning = 0;
2567		3607
2568	$TICK_WATCHER = Event->timer (	3608	our @WAIT_FOR_TICK;
2569	reentrant => 0,	3609	our @WAIT_FOR_TICK_BEGIN;
2570	parked => 1,	3610
2571	prio => 0,	3611	sub wait_for_tick {
2572	at => $NEXT_TICK || $TICK,	3612	return if tick_inhibit;
2573	data => WF_AUTOCANCEL,	3613	return if $Coro::current == $Coro::main;
2574	cb => sub {	3614
		3615	my $signal = new Coro::Signal;
		3616	push @WAIT_FOR_TICK, $signal;
		3617	$signal->wait;
		3618	}
		3619
		3620	sub wait_for_tick_begin {
		3621	return if tick_inhibit;
		3622	return if $Coro::current == $Coro::main;
		3623
		3624	my $signal = new Coro::Signal;
		3625	push @WAIT_FOR_TICK_BEGIN, $signal;
		3626	$signal->wait;
		3627	}
		3628
		3629	sub tick {
2575	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2578	return;	3633	return;
2579	}	3634	}
2580		3635
2581	$NOW = Event::time;
2582
2583	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2584	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;
2586		3637
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2589	Coro::async_pool {	3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
2590	write_runtime	3642	write_runtime
2591	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2592	};
2593	}	3644	};
2594
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#
2600
2601	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2603
2604	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;
2606	},	3645	}
2607	);	3646
		3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3648	$sig->send;
		3649	}
		3650	while (my $sig = shift @WAIT_FOR_TICK) {
		3651	$sig->send;
		3652	}
		3653
		3654	$LOAD = ($NOW - $TICK_START) / $TICK;
		3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3656
		3657	if (0) {
		3658	if ($NEXT_TICK) {
		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
		3663	}
		3664	}
2608		3665
2609	{	3666	{
2610	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2611	$BDB_POLL_WATCHER = Event->io (	3668
2612	reentrant => 0,
2613	fd => BDB::poll_fileno,
2614	poll => 'r',
2615	prio => 0,
2616	data => WF_AUTOCANCEL,
2617	cb => \&BDB::poll_cb,
2618	);
2619	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
2620		3670	BDB::max_poll_reqs $TICK * 0.1;
2621	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
2622	my $status;
2623	my $current = $Coro::current;
2624	(
2625	sub {
2626	$status = $!;
2627	$current->ready; undef $current;
2628	},
2629	sub {
2630	Coro::schedule while defined $current;
2631	$! = $status;
2632	},
2633	)
2634	};
2635		3672
2636	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2637	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2638		3679
2639	cf::sync_job {	3680	cf::sync_job {
2640	eval {	3681	eval {
2641	BDB::db_env_open	3682	BDB::db_env_open
2642	$DB_ENV,	3683	$DB_ENV,
2643	$BDB_ENV_DIR,	3684	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3687	0666;
2647		3688
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;
2652	};	3690	};
2653		3691
2654	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2655	};	3693	};
2656	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
2657	}	3705	}
2658		3706
2659	{	3707	{
		3708	# configure IO::AIO
		3709
2660	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2661
2662	undef $Coro::AIO::WATCHER;
2663	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2664	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
2665	reentrant => 0,
2666	data => WF_AUTOCANCEL,
2667	fd => IO::AIO::poll_fileno,
2668	poll => 'r',
2669	prio => 6,
2670	cb => \&IO::AIO::poll_cb,
2671	);
2672	}	3713	}
		3714
		3715	my $_log_backtrace;
		3716
		3717	sub _log_backtrace {
		3718	my ($msg, @addr) = @_;
		3719
		3720	$msg =~ s/\n//;
		3721
		3722	# limit the # of concurrent backtraces
		3723	if ($_log_backtrace < 2) {
		3724	++$_log_backtrace;
		3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
		3728	my @bt = fork_call {
		3729	@addr = map { sprintf "%x", $_ } @addr;
		3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3732	or die "addr2line: $!";
		3733
		3734	my @funcs;
		3735	my @res = <$fh>;
		3736	chomp for @res;
		3737	while (@res) {
		3738	my ($func, $line) = splice @res, 0, 2, ();
		3739	push @funcs, "[$func] $line";
		3740	}
		3741
		3742	@funcs
		3743	};
		3744
		3745	LOG llevInfo, "[ABT] $msg\n";
		3746	LOG llevInfo, "[ABT] $_\n" for @bt;
		3747	--$_log_backtrace;
		3748	};
		3749	} else {
		3750	LOG llevInfo, "[ABT] $msg\n";
		3751	LOG llevInfo, "[ABT] [suppressed]\n";
		3752	}
		3753	}
		3754
		3755	# load additional modules
		3756	use cf::pod;
2673		3757
2674	END { cf::emergency_save }	3758	END { cf::emergency_save }
2675		3759
2676	1	3760	1
2677		3761

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