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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
34		65
35	# configure various modules to our taste	66	# configure various modules to our taste
36	#	67	#
37	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		76
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		78
50	our %COMMAND = ();	79	our %COMMAND = ();
51	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	83	our %EXTCMD = ();
55	our %EXTICMD = ();	84	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
58		87
59	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	89	our @EVENT;
61		90
62	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	92	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
73		106
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	109	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	115	our $DB_ENV;
84		116
85	our %CFG;	117	our %CFG;
86		118
87	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
89		122
90	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
93		126
94	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		129
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
100		138
101	binmode STDOUT;	139	binmode STDOUT;
102	binmode STDERR;	140	binmode STDERR;
103		141
104	# read virtual server time, if available	142	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
109	}	147	}
110		148
111	mkdir $_	149	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		195
158	The raw value load value from the last tick.	196	The raw value load value from the last tick.
159		197
160	=item %cf::CFG	198	=item %cf::CFG
161		199
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	201	from wherever your confdir points to.
164		202
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		204
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	206	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
171	=back	215	=back
172		216
173	=cut	217	=cut
174		218
175	BEGIN {	219	BEGIN {
…		…
179	$msg .= "\n"	223	$msg .= "\n"
180	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
181		225
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		227
184	utf8::encode $msg;
185	LOG llevError, $msg;	228	LOG llevError, $msg;
186	};	229	};
187	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
188		246
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	257	for my $pkg (qw(
200	cf::global cf::attachable	258	cf::global cf::attachable
201	cf::object cf::object::player	259	cf::object cf::object::player
202	cf::client cf::player	260	cf::client cf::player
203	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
204	cf::map cf::party cf::region	263	cf::party cf::region
205	)) {	264	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	266	}
209		267
210	$Event::DIED = sub {	268	$EV::DIED = sub {
211	warn "error in event callback: @_";	269	warn "error in event callback: @_";
212	};	270	};
213		271
214	#############################################################################	272	#############################################################################
215		273
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	297	$d
240	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
241	}	299	}
242		300
243	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
244		302
245	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
246		304
247	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
248		306
249	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
250		308
251	=cut	309	=cut
252		310
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		312
255	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
257		329
258	=item cf::lock_wait $string	330	=item cf::lock_wait $string
259		331
260	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
261		333
262	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
263		335
264	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
267	returned.	339	returned.
268		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
269	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
271		346
272	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
273		348
274	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
275		350
276	=cut	351	=cut
277		352
278	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
279		354
280	sub lock_wait($) {	355	sub lock_wait($) {
281	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	357	}
289		358
290	sub lock_acquire($) {	359	sub lock_acquire($) {
291	my ($key) = @_;	360	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	361	}
303		362
304	sub lock_active($) {	363	sub lock_active($) {
305	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	365	}
309		366
310	sub freeze_mainloop {	367	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
312		369
313	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
315	};	431	}
316	$TICK_WATCHER->stop;	432	};
317	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
318	}	446	}
319		447
320	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
321		449
322	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		455
328	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
329		457
330	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
331		459
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	463	acceptable.
336		464
337	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		471
344	sub sync_job(&) {	472	sub sync_job(&) {
345	my ($job) = @_;	473	my ($job) = @_;
346		474
347	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	476	my $time = EV::time;
349		477
350	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
352		480
353	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	482
355	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
356		484
357	my $busy = 1;	485	my $busy = 1;
358	my @res;	486	my @res;
359		487
360	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	490	@res = eval { $job->() };
362	warn $@ if $@;	491	warn $@ if $@;
363	undef $busy;	492	undef $busy;
364	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
365		494
366	while ($busy) {	495	while ($busy) {
367	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
368	}	500	}
		501	}
369		502
370	$time = Event::time - $time;	503	my $time = EV::time - $time;
371		504
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
376		506
377	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
378	} else {	508	} else {
379	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
380		510
…		…
405	=item fork_call { }, $args	535	=item fork_call { }, $args
406		536
407	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
411		541
412	=cut	542	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		543
423	sub fork_call(&@) {	544	sub fork_call(&@) {
424	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
425		546
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	547	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		550
431	if (my $pid = fork) {	551	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	552	reset_signals;
445	local $SIG{__WARN__};	553	&$cb
446	local $SIG{__DIE__};	554	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		555
453	eval {	556	wantarray ? @res : $res[-1]
454	close $fh1;	557	}
455		558
456	my @res = eval { $cb->(@args) };	559	=item $coin = coin_from_name $name
457		560
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	561	=cut
459	close $fh2;
460	};
461		562
462	warn $@ if $@;	563	our %coin_alias = (
463	_exit 0;	564	"silver" => "silvercoin",
464	}	565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
465	}	584	}
466		585
467	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
468		587
469	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
472		591
473	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
476	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
477		618
478	our $DB;	619	our $DB;
479		620
480	sub db_init {	621	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	622	cf::sync_job {
485	eval {	623	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	624	};
495	}	625	}
496		626
497	sub db_get($$) {	627	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
499		629
…		…
549	if (1) {	679	if (1) {
550	$md5 =	680	$md5 =
551	join "\x00",	681	join "\x00",
552	$processversion,	682	$processversion,
553	map {	683	map {
554	Coro::cede;	684	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	686	} 0.. $#$src;
557		687
558		688
559	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
597		727
598	#############################################################################	728	#############################################################################
599		729
600	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
601		731
602	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
603	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
604	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
605		735
606	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
607	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
608	Crossfire TRT).	738	Deliantra).
609		739
610	=over 4	740	=over 4
611		741
612	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
613		743
…		…
657	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
658		788
659	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
661		791
662	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
663	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
664		794
665	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
666		796
667	=over 4	797	=over 4
…		…
865	";	995	";
866	die if $@;	996	die if $@;
867	}	997	}
868		998
869	our $override;	999	our $override;
870	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871		1001
872	sub override {	1002	sub override {
873	$override = 1;	1003	$override = 1;
874	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
875	}	1005	}
876		1006
877	sub do_invoke {	1007	sub do_invoke {
878	my $event = shift;	1008	my $event = shift;
879	my $callbacks = shift;	1009	my $callbacks = shift;
880		1010
881	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
882		1012
883	local $override;	1013	local $override;
884		1014
885	for (@$callbacks) {	1015	for (@$callbacks) {
886	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
895	}	1025	}
896		1026
897	0	1027	0
898	}	1028	}
899		1029
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1031
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1033
904	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
905		1035
906	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
908	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1039
910	=back	1040	=back
911		1041
912	=cut	1042	=cut
913		1043
914	#############################################################################	1044	#############################################################################
915	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
916		1088
917	sub reattach {	1089	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1091	my ($obj) = @_;
920		1092
		1093	# no longer needed after getting rid of delete_package?
921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922		1095
923	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
924		1097
925	@$registry = ();	1098	@$registry = ();
926		1099
…		…
941	cf::attachable->attach (	1114	cf::attachable->attach (
942	prio => -1000000,	1115	prio => -1000000,
943	on_instantiate => sub {	1116	on_instantiate => sub {
944	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
945		1118
946	$data = from_json $data;	1119	$data = decode_json $data;
947		1120
948	for (@$data) {	1121	for (@$data) {
949	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
950		1123
951	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1140	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
969		1142
970	sync_job {	1143	sync_job {
971	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
974		1148
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
979	close $fh;	1153	aio_close $fh;
980		1154
981	if (@$objs) {	1155	if (@$objs) {
982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
987	close $fh;	1161	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
989	}	1163	}
990	} else {	1164	} else {
991	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
992	}	1166	}
993		1167
994	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1172	} else {
996	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
997	}	1174	}
998	} else {	1175	} else {
999	aio_unlink $filename;	1176	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1001	}	1178	}
1002	}	1179	};
1003	}	1180	}
1004		1181
1005	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1007		1184
…		…
1019	or return;	1196	or return;
1020		1197
1021	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1200	or return;
		1201
1024	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1025	}	1204	}
1026		1205
		1206	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1029	return ($data, $av);	1210	($data, $av)
1030	}	1211	}
1031		1212
1032	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1033		1214
1034	=over 4	1215	=over 4
…		…
1088	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1089		1270
1090	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1091	}	1272	}
1092		1273
		1274	use File::Glob ();
		1275
1093	cf::player->attach (	1276	cf::player->attach (
1094	on_command => sub {	1277	on_command => sub {
1095	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1096		1279
1097	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1107	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1108		1291
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1293
1111	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1117	} else {	1309	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1311	}
1120		1312
1121	cf::override;	1313	cf::override;
1122	},	1314	},
1123	);	1315	);
		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
1124		1329
1125	sub load_extensions {	1330	sub load_extensions {
1126	cf::sync_job {	1331	cf::sync_job {
1127	my %todo;	1332	my %todo;
1128		1333
…		…
1148		1353
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1356
1152	$ext{source} =	1357	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1155	. $source	1360	. $source
1156	. "\n};\n1";	1361	. "\n};\n1";
1157		1362
1158	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1174	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1175	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1176		1381
1177	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1178	warn $msg;	1383	warn $msg;
1179	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1180	exit 1;
1181	}	1385	}
1182		1386
1183	warn $msg;	1387	warn $msg;
1184	}	1388	}
1185		1389
…		…
1199		1403
1200	=back	1404	=back
1201		1405
1202	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1203		1407
1204	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1205		1409
1206	=cut	1410	=cut
1207		1411
1208	package cf::player;	1412	package cf::player;
1209		1413
1210	use Coro::AIO;	1414	use Coro::AIO;
1211		1415
1212	=head3 cf::player	1416	=head3 cf::player
1213		1417
1214	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1215		1433
1216	=item cf::player::find $login	1434	=item cf::player::find $login
1217		1435
1218	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1219		1437
…		…
1238		1456
1239	sub exists($) {	1457	sub exists($) {
1240	my ($login) = @_;	1458	my ($login) = @_;
1241		1459
1242	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1244	}	1462	}
1245		1463
1246	sub find($) {	1464	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1466	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1477
1260	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1263	}	1487	}
1264	}	1488	}
1265	}	1489	}
1266		1490
…		…
1275	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1276		1500
1277	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1279		1503
		1504	cf::get_slot 0.01;
		1505
1280	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1281	Coro::cede;	1507	cf::cede_to_tick;
1282	}	1508	}
1283		1509
1284	sub new($) {	1510	sub new($) {
1285	my ($login) = @_;	1511	my ($login) = @_;
1286		1512
…		…
1292	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1293		1519
1294	$self	1520	$self
1295	}	1521	}
1296		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1297	=item $pl->quit_character	1533	=item $pl->quit_character
1298		1534
1299	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1301		1537
…		…
1305	my ($pl) = @_;	1541	my ($pl) = @_;
1306		1542
1307	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1308		1544
1309	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1547
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1316		1554
1317	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1592	or return [];
1355		1593
1356	my @logins;	1594	my @logins;
1357		1595
1358	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1362		1606
1363	utf8::decode $login;	1607	utf8::decode $login;
1364	push @logins, $login;	1608	push @logins, $login;
1365	}	1609	}
1366		1610
…		…
1393	}	1637	}
1394		1638
1395	\@paths	1639	\@paths
1396	}	1640	}
1397		1641
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1643
1400	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1401		1645
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1449		1647
1450	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1451		1649
1452	=cut	1650	=cut
1453		1651
1454	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1456		1654
1457	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1656	}
1460		1657
1461	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1462		1659
1463	Sends an ext event to the client.	1660	Sends an ext event to the client.
1464		1661
1465	=cut	1662	=cut
1466		1663
1467	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1469		1666
1470	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1471	}	1668	}
1472		1669
1473	=head3 cf::region	1670	=head3 cf::region
1474		1671
1475	=over 4	1672	=over 4
…		…
1488	my ($path) = @_;	1685	my ($path) = @_;
1489		1686
1490	my ($match, $specificity);	1687	my ($match, $specificity);
1491		1688
1492	for my $region (list) {	1689	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1496	}	1693	}
1497	}	1694	}
1498		1695
…		…
1519	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1521		1718
1522	sub generate_random_map {	1719	sub generate_random_map {
1523	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1524	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1725	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1618	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1619	return $self;	1819	return $self;
1620	}	1820	}
1621	}	1821	}
1622		1822
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1824	()
1625	}	1825	}
1626		1826
1627	sub init {	1827	sub init {
1628	my ($self) = @_;	1828	my ($self) = @_;
…		…
1650		1850
1651	# the temporary/swap location	1851	# the temporary/swap location
1652	sub save_path {	1852	sub save_path {
1653	my ($self) = @_;	1853	my ($self) = @_;
1654		1854
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1657	}	1857	}
1658		1858
1659	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1660	sub uniq_path {	1860	sub uniq_path {
1661	my ($self) = @_;	1861	my ($self) = @_;
1662		1862
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	1865	}
1675		1866
1676	sub decay_objects {	1867	sub decay_objects {
1677	my ($self) = @_;	1868	my ($self) = @_;
1678		1869
…		…
1691		1882
1692	sub load_header_from($) {	1883	sub load_header_from($) {
1693	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1694		1885
1695	utf8::encode $path;	1886	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1701		1895
1702	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1703		1897
1704	1	1898	1
1705	}	1899	}
…		…
1759	sub find {	1953	sub find {
1760	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1761		1955
1762	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1763		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1765		1960
1766	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1769	or return;	1963	or return;
1770		1964
1771	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1772		1966
…		…
1774	or return;	1968	or return;
1775		1969
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1779	$map->reset;	1975	$map->reset;
1780	undef $guard;
1781	return find $path;	1976	return find $path;
1782	}	1977	}
1783		1978
1784	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1785	}	1980	}
…		…
1794	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1795		1990
1796	my $path = $self->{path};	1991	my $path = $self->{path};
1797		1992
1798	{	1993	{
1799	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1800		1995
		1996	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		1998
1803	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1804		2000
1805	$self->alloc;	2001	$self->alloc;
1806		2002
1807	$self->pre_load;	2003	$self->pre_load;
1808	Coro::cede;	2004	cf::cede_to_tick;
1809		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1811	or return;	2009	or return;
1812		2010
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1814	if delete $self->{load_original};	2012	if delete $self->{load_original};
1815		2013
1816	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2015	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2018	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1821	}	2022	}
1822	}	2023	}
1823		2024
1824	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1825	# now do the right thing for maps	2028	# now do the right thing for maps
1826	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2031	unless $self->difficulty;
1829	Coro::cede;	2032	cf::cede_to_tick;
1830		2033
1831	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2035	$self->decay_objects;
1833	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1834	$self->update_buttons;	2037	$self->update_buttons;
1835	Coro::cede;	2038	cf::cede_to_tick;
1836	$self->set_darkness_map;
1837	Coro::cede;
1838	$self->activate;	2039	$self->activate;
1839	}	2040	}
1840		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2046	}
1843		2047
1844	$self->post_load;	2048	$self->post_load;
1845	}	2049	}
1846		2050
…		…
1855		2059
1856	$self	2060	$self
1857	}	2061	}
1858		2062
1859	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2064	sub load_neighbours {
1861	my ($map) = @_;	2065	my ($map) = @_;
1862		2066
1863	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1864		2068
1865	for (0 .. 3) {	2069	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1867	or next;	2071	or next;
1868	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1869	or next;	2073	or next;
1870	$neigh->load;	2074	$neigh->load;
1871		2075
		2076	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2079	}
1875		2080
1876	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1878	or next;	2084	or next;
1879	$neigh->load;	2085	$neigh->load;
1880	}	2086	}
1881	}	2087	}
1882		2088
…		…
1887	}	2093	}
1888		2094
1889	sub do_load_sync {	2095	sub do_load_sync {
1890	my ($map) = @_;	2096	my ($map) = @_;
1891		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1892	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1893	}	2102	}
1894		2103
1895	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1897		2106
1898	sub find_async {	2107	sub find_async {
1899	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1900		2109
1901	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1902		2111
1903	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2114	}
1906		2115
1907	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1908	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1909	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2123	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2124	$map->load if $v;
		2125	}
1914		2126
1915	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1916	}	2128	}
1917	}	2129	}
1918	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1919	};	2131	};
1920	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1923	}	2135	}
1924		2136
1925	sub save {	2137	sub save {
1926	my ($self) = @_;	2138	my ($self) = @_;
1927		2139
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1929		2141
1930	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1931		2143
1932	return unless $self->dirty;	2144	return unless $self->dirty;
1933		2145
…		…
1939	return if $self->{deny_save};	2151	return if $self->{deny_save};
1940		2152
1941	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1942		2154
1943	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1945	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1946		2161
1947	if ($uniq) {	2162	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2165	} else {
…		…
1956	my ($self) = @_;	2171	my ($self) = @_;
1957		2172
1958	# save first because save cedes	2173	# save first because save cedes
1959	$self->save;	2174	$self->save;
1960		2175
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2177
1963	return if $self->players;	2178	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1965	return if $self->{deny_save};	2180	return if $self->{deny_save};
1966		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1967	$self->clear;	2186	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2187	}
1970		2188
1971	sub reset_at {	2189	sub reset_at {
1972	my ($self) = @_;	2190	my ($self) = @_;
1973		2191
…		…
2005	if $uniq;	2223	if $uniq;
2006	}	2224	}
2007		2225
2008	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
2009		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2230	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2231
2014	$self->unlink_save;	2232	$self->unlink_save;
2015	$self->destroy;	2233	$self->destroy;
2016	}	2234	}
2017		2235
2018	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
2019		2237
2020	sub nuke {	2238	sub nuke {
2021	my ($self) = @_;	2239	my ($self) = @_;
2022		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
2023	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
2024		2245
2025	$self->unlink_save;	2246	$self->unlink_save;
2026		2247
2027	bless $self, "cf::map";	2248	bless $self, "cf::map";
2028	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2253
2033	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
2034		2256
2035	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
2036	}	2258	}
2037		2259
2038	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
2080		2302
2081	sub unique_maps() {	2303	sub unique_maps() {
2082	[	2304	[
2083	map {	2305	map {
2084	utf8::decode $_;	2306	utf8::decode $_;
2085	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2086	? normalise $_	2310	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2312	]
2090	}	2313	}
2091		2314
2092	package cf;
2093
2094	=back	2315	=back
2095		2316
2096	=head3 cf::object	2317	=head3 cf::object
2097		2318
2098	=cut	2319	=cut
…		…
2101		2322
2102	=over 4	2323	=over 4
2103		2324
2104	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2105		2326
2106	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2107		2329
2108	=cut	2330	=cut
2109		2331
2110	sub inv_recursive_;	2332	sub inv_recursive_;
2111	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2114		2336
2115	sub inv_recursive {	2337	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2117	}	2339	}
2118		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
2119	package cf;	2369	package cf;
2120		2370
2121	=back	2371	=back
2122		2372
2123	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2132		2382
2133	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
2134		2398
2135	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2400	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
2145		2409
2146	} else {	2410	} else {
2147	my $pl = $self->contr;	2411	my $pl = $self->contr;
2148		2412
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2416
2158	} else {	2417	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2420	}
2162	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
2163	}	2432	}
2164		2433
2165	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
2166		2435
2167	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
2180		2449
2181	=item $player_object->enter_link	2450	=item $player_object->enter_link
2182		2451
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2453
2185	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2187		2458
2188	Will never block.	2459	Will never block.
2189		2460
2190	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2191		2462
…		…
2246	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2249		2520
2250	$map->load;	2521	$map->load;
2251	$map->load_diag;	2522	$map->load_neighbours;
2252		2523
2253	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2254	$self->activate_recursive;	2526	$self->activate_recursive;
2255		2527
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2258	}	2530	}
2259		2531
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261		2533
2262	Moves the player to the given map-path and coordinates by first freezing	2534	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2537	the new (success) or old (failed) map position. In either case, $done will
		2538	be called at the end of this process.
		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
2266		2542
2267	=cut	2543	=cut
2268		2544
2269	our $GOTOGEN;	2545	our $GOTOGEN;
2270		2546
2271	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
2273		2549
2274	# do generation counting so two concurrent goto's will be executed in-order	2550	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2552
2277	$self->enter_link;	2553	$self->enter_link;
2278		2554
2279	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
2280	my $map = eval {	2577	my $map = eval {
2281	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2282		2579
2283	if ($map) {	2580	if ($map) {
2284	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2286	} else {	2583	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2585	}
2289		2586
2290	$map	2587	$map
2291	};	2588	};
2292		2589
…		…
2297		2594
2298	if ($gen == $self->{_goto_generation}) {	2595	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2596	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
2301	}	2598	}
		2599
		2600	$done->() if $done;
2302	})->prio (1);	2601	})->prio (1);
2303	}	2602	}
2304		2603
2305	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
2306		2605
…		…
2326	}	2625	}
2327		2626
2328	sub prepare_random_map {	2627	sub prepare_random_map {
2329	my ($exit) = @_;	2628	my ($exit) = @_;
2330		2629
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2632	# that depends on the exit object
2336		2633
2337	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2636	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2344	}	2643	}
2345		2644
2346	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2347		2646
2348	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2351		2650
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2653	undef $fh;
2355	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2356		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2359	}	2662	}
2360	}	2663	}
2361		2664
2362	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2364		2667
2365	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2366		2669
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2670	$self->enter_link;
2379		2671
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2672	(async {
2385	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2386	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2387	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2388		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2389	1;	2696	1
2390	}) {	2697	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2702
2396	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2415		2722
2416	utf8::encode $text;	2723	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2725	}
2419		2726
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2728
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2729	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2730	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2426		2733
2427	=cut	2734	=cut
2428		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
		2798	"c/uptime" => {
		2799	id => "infobox",
		2800	title => "Uptime",
		2801	reply => undef,
		2802	tooltip => "How long the server has been running since last restart",
		2803	},
		2804	"c/mapinfo" => {
		2805	id => "infobox",
		2806	title => "Map Info",
		2807	reply => undef,
		2808	tooltip => "Information related to the maps",
		2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
		2824	);
		2825
2429	sub cf::client::send_msg {	2826	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	2827	my ($self, $channel, $msg, $color, @extra) = @_;
2431		2828
2432	$msg = $self->pl->expand_cfpod ($msg);	2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
		2831
		2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2833
		2834	# check predefined channels, for the benefit of C
		2835	if ($CHANNEL{$channel}) {
		2836	$channel = $CHANNEL{$channel};
		2837
		2838	$self->ext_msg (channel_info => $channel);
		2839	$channel = $channel->{id};
		2840
		2841	} elsif (ref $channel) {
		2842	# send meta info to client, if not yet sent
		2843	unless (exists $self->{channel}{$channel->{id}}) {
		2844	$self->{channel}{$channel->{id}} = $channel;
		2845	$self->ext_msg (channel_info => $channel);
		2846	}
		2847
		2848	$channel = $channel->{id};
		2849	}
2433		2850
2434	return unless @extra || length $msg;	2851	return unless @extra || length $msg;
2435		2852
2436	if ($self->can_msg) {	2853	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	2855	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		2856
2449	if ($color >= 0) {	2857	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	2858	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	2860	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	}
		2874
2460	=item $client->ext_event ($type, %msg)	2875	=item $client->ext_msg ($type, @msg)
2461		2876
2462	Sends an ext event to the client.	2877	Sends an ext event to the client.
2463		2878
2464	=cut	2879	=cut
2465		2880
2466	sub cf::client::ext_event($$%) {	2881	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	2882	my ($self, $type, @msg) = @_;
2468		2883
		2884	if ($self->extcmd == 2) {
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2886	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	2887	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
		2891
		2892	=item $client->ext_reply ($msgid, @msg)
		2893
		2894	Sends an ext reply to the client.
		2895
		2896	=cut
		2897
		2898	sub cf::client::ext_reply($$@) {
		2899	my ($self, $id, @msg) = @_;
		2900
		2901	if ($self->extcmd == 2) {
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2903	} elsif ($self->extcmd == 1) {
		2904	#TODO: version 1, remove
		2905	unshift @msg, msgtype => "reply", msgid => $id;
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2907	}
2471	}	2908	}
2472		2909
2473	=item $success = $client->query ($flags, "text", \&cb)	2910	=item $success = $client->query ($flags, "text", \&cb)
2474		2911
2475	Queues a query to the client, calling the given callback with	2912	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	2967	my ($ns, $buf) = @_;
2531		2968
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2969	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		2970
2534	if (ref $msg) {	2971	if (ref $msg) {
		2972	my ($type, $reply, @payload) =
		2973	"ARRAY" eq ref $msg
		2974	? @$msg
		2975	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2976
		2977	my @reply;
		2978
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2979	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	2980	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	2981	}
		2982
		2983	$ns->ext_reply ($reply, @reply)
		2984	if $reply;
		2985
2541	} else {	2986	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2987	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	2988	}
2544		2989
2545	cf::override;	2990	cf::override;
…		…
2592	our $safe = new Safe "safe";	3037	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3038	our $safe_hole = new Safe::Hole;
2594		3039
2595	$SIG{FPE} = 'IGNORE';	3040	$SIG{FPE} = 'IGNORE';
2596		3041
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3042	$safe->permit_only (Opcode::opset qw(
		3043	:base_core :base_mem :base_orig :base_math
		3044	grepstart grepwhile mapstart mapwhile
		3045	sort time
		3046	));
2598		3047
2599	# here we export the classes and methods available to script code	3048	# here we export the classes and methods available to script code
2600		3049
2601	=pod	3050	=pod
2602		3051
2603	The following functions and methods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
2604		3053
2605	cf::object	3054	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3055	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3056	insert remove name archname title slaying race decrease split
2608		3057
2609	cf::object::player	3058	cf::object::player
2610	player	3059	player
2611		3060
2612	cf::player	3061	cf::player
…		…
2617		3066
2618	=cut	3067	=cut
2619		3068
2620	for (	3069	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3071	insert remove inv nrof name archname title slaying race
		3072	decrease split destroy change_exp)],
2623	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
2625	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
2626	) {	3076	) {
2627	no strict 'refs';	3077	no strict 'refs';
…		…
2703	# the server's init and main functions	3153	# the server's init and main functions
2704		3154
2705	sub load_facedata($) {	3155	sub load_facedata($) {
2706	my ($path) = @_;	3156	my ($path) = @_;
2707		3157
		3158	# HACK to clear player env face cache, we need some signal framework
		3159	# for this (global event?)
		3160	%ext::player_env::MUSIC_FACE_CACHE = ();
		3161
		3162	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3163
2708	warn "loading facedata from $path\n";	3164	warn "loading facedata from $path\n";
2709		3165
2710	my $facedata;	3166	my $facedata;
2711	0 < aio_load $path, $facedata	3167	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3168	or die "$path: $!";
…		…
2714	$facedata = Coro::Storable::thaw $facedata;	3170	$facedata = Coro::Storable::thaw $facedata;
2715		3171
2716	$facedata->{version} == 2	3172	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3173	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3174
		3175	# patch in the exptable
		3176	$facedata->{resource}{"res/exp_table"} = {
		3177	type => FT_RSRC,
		3178	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3179	};
		3180	cf::cede_to_tick;
		3181
2719	{	3182	{
2720	my $faces = $facedata->{faceinfo};	3183	my $faces = $facedata->{faceinfo};
2721		3184
2722	while (my ($face, $info) = each %$faces) {	3185	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3186	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3187
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3188	cf::face::set_visibility $idx, $info->{visibility};
		3189	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3190	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3191	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2727	Coro::cede;	3192
		3193	cf::cede_to_tick;
2728	}	3194	}
2729		3195
2730	while (my ($face, $info) = each %$faces) {	3196	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3197	next unless $info->{smooth};
		3198
2732	my $idx = cf::face::find $face	3199	my $idx = cf::face::find $face
2733	or next;	3200	or next;
		3201
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3202	if (my $smooth = cf::face::find $info->{smooth}) {
		3203	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3204	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3205	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3206	warn "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3207	}
2739	Coro::cede;	3208
		3209	cf::cede_to_tick;
2740	}	3210	}
2741	}	3211	}
2742		3212
2743	{	3213	{
2744	my $anims = $facedata->{animinfo};	3214	my $anims = $facedata->{animinfo};
2745		3215
2746	while (my ($anim, $info) = each %$anims) {	3216	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3217	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3218	cf::cede_to_tick;
2749	}	3219	}
2750		3220
2751	cf::anim::invalidate_all; # d'oh	3221	cf::anim::invalidate_all; # d'oh
2752	}	3222	}
2753		3223
		3224	{
		3225	# TODO: for gcfclient pleasure, we should give resources
		3226	# that gcfclient doesn't grok a >10000 face index.
		3227	my $res = $facedata->{resource};
		3228
		3229	while (my ($name, $info) = each %$res) {
		3230	if (defined $info->{type}) {
		3231	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3232	my $data;
		3233
		3234	if ($info->{type} & 1) {
		3235	# prepend meta info
		3236
		3237	my $meta = $enc->encode ({
		3238	name => $name,
		3239	%{ $info->{meta} || {} },
		3240	});
		3241
		3242	$data = pack "(w/a*)*", $meta, $info->{data};
		3243	} else {
		3244	$data = $info->{data};
		3245	}
		3246
		3247	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3248	cf::face::set_type $idx, $info->{type};
		3249	} else {
		3250	$RESOURCE{$name} = $info;
		3251	}
		3252
		3253	cf::cede_to_tick;
		3254	}
		3255	}
		3256
		3257	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3258
2754	1	3259	1
2755	}	3260	}
2756		3261
		3262	cf::global->attach (on_resource_update => sub {
		3263	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3264	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3265
		3266	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3267	my $sound = $soundconf->{compat}[$_]
		3268	or next;
		3269
		3270	my $face = cf::face::find "sound/$sound->[1]";
		3271	cf::sound::set $sound->[0] => $face;
		3272	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3273	}
		3274
		3275	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3276	my $face = cf::face::find "sound/$v";
		3277	cf::sound::set $k => $face;
		3278	}
		3279	}
		3280	});
		3281
		3282	register_exticmd fx_want => sub {
		3283	my ($ns, $want) = @_;
		3284
		3285	while (my ($k, $v) = each %$want) {
		3286	$ns->fx_want ($k, $v);
		3287	}
		3288	};
		3289
		3290	sub load_resource_file($) {
		3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
2757	sub reload_regions {	3300	sub reload_regions {
		3301	# HACK to clear player env face cache, we need some signal framework
		3302	# for this (global event?)
		3303	%ext::player_env::MUSIC_FACE_CACHE = ();
		3304
2758	load_resource_file "$MAPDIR/regions"	3305	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3306	or die "unable to load regions file\n";
		3307
		3308	for (cf::region::list) {
		3309	$_->{match} = qr/$_->{match}/
		3310	if exists $_->{match};
		3311	}
2760	}	3312	}
2761		3313
2762	sub reload_facedata {	3314	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3315	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3316	or die "unable to load facedata\n";
2765	}	3317	}
2766		3318
2767	sub reload_archetypes {	3319	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3320	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3321	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3322	}
2776		3323
2777	sub reload_treasures {	3324	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3325	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3326	or die "unable to load treasurelists\n";
2780	}	3327	}
2781		3328
2782	sub reload_resources {	3329	sub reload_resources {
2783	warn "reloading resource files...\n";	3330	warn "reloading resource files...\n";
2784		3331
		3332	reload_facedata;
		3333	reload_archetypes;
2785	reload_regions;	3334	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3335	reload_treasures;
2790		3336
2791	warn "finished reloading resource files\n";	3337	warn "finished reloading resource files\n";
2792	}	3338	}
2793		3339
2794	sub init {	3340	sub reload_config {
2795	reload_resources;
2796	}
2797
2798	sub cfg_load {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3342	or return;
2801		3343
2802	local $/;	3344	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2804		3346
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806		3348
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2814	};	3356	};
2815	warn $@ if $@;	3357	warn $@ if $@;
2816	}	3358	}
2817	}	3359	}
2818		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
2819	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
2820	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3398	(async {
2824	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2826	};	3402	};
2827		3403
2828	cfg_load;	3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	cf::sync_job {
		3407	reload_resources;
		3408	reload_config;
2829	db_init;	3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
2830	load_extensions;	3422	load_extensions;
2831		3423
2832	$TICK_WATCHER->start;	3424	utime time, time, $RUNTIMEFILE;
		3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
2833	Event::loop;	3432	EV::loop;
2834	}	3433	}
2835		3434
2836	#############################################################################	3435	#############################################################################
2837	# initialisation and cleanup	3436	# initialisation and cleanup
2838		3437
2839	# install some emergency cleanup handlers	3438	# install some emergency cleanup handlers
2840	BEGIN {	3439	BEGIN {
		3440	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3441	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3442	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
2849	},
2850	);	3444	};
2851	}	3445	}
2852	}	3446	}
2853		3447
2854	sub write_runtime {	3448	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";
2856
2857	# first touch the runtime file to show we are still running:	3449	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3450	# the fsync below can take a very very long time.
2859		3451
2860	IO::AIO::aio_utime $runtime, undef, undef;	3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3453
2862	my $guard = cf::lock_acquire "write_runtime";	3454	my $guard = cf::lock_acquire "write_runtime";
2863		3455
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2865	or return;	3457	or return;
2866		3458
2867	my $value = $cf::RUNTIME + 90 + 10;	3459	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3460	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3461	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3471	aio_utime $fh, undef, undef;
2880		3472
2881	close $fh	3473	close $fh
2882	or return;	3474	or return;
2883		3475
2884	aio_rename "$runtime~", $runtime	3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3477	and return;
2886		3478
2887	warn "runtime file written.\n";	3479	warn "runtime file written.\n";
2888		3480
2889	1	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
2890	}	3532	}
2891		3533
2892	sub emergency_save() {	3534	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
2894		3536
2895	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
2896		3538
2897	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
2898	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3553	$pl->save;
2906	}	3554	}
2907	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
2908		3556
2909	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	3560	$map->valid or next;
2913	$map->save;	3561	$map->save;
2914	}	3562	}
2915	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
2916		3564
2917	warn "begin emergency database checkpoint\n";	3565	warn "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
2920	};	3572	};
2921		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
2922	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
2923	}	3580	}
2924		3581
2925	sub post_cleanup {	3582	sub post_cleanup {
2926	my ($make_core) = @_;	3583	my ($make_core) = @_;
2927		3584
2928	warn Carp::longmess "post_cleanup backtrace"	3585	warn Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3586	if $make_core;
		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
2930	}	3616	}
2931		3617
2932	sub do_reload_perl() {	3618	sub do_reload_perl() {
2933	# can/must only be called in main	3619	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2935	warn "can only reload from main coroutine";	3621	warn "can only reload from main coroutine";
2936	return;	3622	return;
2937	}	3623	}
2938		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
2939	warn "reloading...";	3630	warn "reloading...";
2940		3631
2941	warn "entering sync_job";	3632	warn "entering sync_job";
2942		3633
2943	cf::sync_job {	3634	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark	3635	cf::write_runtime_sync; # external watchdog should not bark
2945	cf::emergency_save;	3636	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
2947		3638
2948	warn "syncing database to disk";	3639	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3640	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3641
2951	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
2952		3643
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";	3644	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3645	while (IO::AIO::nreqs || BDB::nreqs) {
2964	warn "iterate...";	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();
2972
2973	warn "removing commands";
2974	%COMMAND = ();
2975
2976	warn "removing ext/exti commands";
2977	%EXTCMD = ();
2978	%EXTICMD = ();
2979
2980	warn "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";
2983
2984	if (my $cb = $pkg->can ("unload")) {
2985	eval {
2986	$cb->($pkg);
2987	1
2988	} or warn "$pkg unloaded, but with errors: $@";
2989	}	3647	}
2990		3648
2991	warn "... nuking $pkg";	3649	warn "cancelling all extension coros";
2992	Symbol::delete_package $pkg;	3650	$_->cancel for values %EXT_CORO;
2993	}	3651	%EXT_CORO = ();
2994		3652
2995	warn "unloading all perl modules loaded from $LIBDIR";	3653	warn "removing commands";
2996	while (my ($k, $v) = each %INC) {	3654	%COMMAND = ();
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
2999	warn "... unloading $k";	3662	warn "... unloading $pkg";
3000	delete $INC{$k};
3001		3663
3002	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;
3004
3005	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
3006	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
3007	}	3673	}
3008		3674
3009	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
3010	}	3690	}
3011		3691
3012	warn "getting rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		3695
3016	warn "unloading cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3698	delete $INC{"cf/pod.pm"};
3019		3699
3020	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3701	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
3023		3703
3024	warn "unload completed, starting to reload now";	3704	warn "unload completed, starting to reload now";
3025		3705
3026	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
3027	require cf;	3707	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3029		3709
3030	warn "loading config and database again";	3710	warn "loading config and database again";
3031	cf::cfg_load;	3711	cf::reload_config;
3032		3712
3033	warn "loading extensions";	3713	warn "loading extensions";
3034	cf::load_extensions;	3714	cf::load_extensions;
3035		3715
		3716	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3718	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3719	warn "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3721	warn "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3722	reattach $_ for values %PLAYER;
		3723	}
3042		3724
		3725	warn "running post_init jobs";
		3726	(pop @POST_INIT)->(1) while @POST_INIT;
		3727
3043	warn "leaving sync_job";	3728	warn "leaving sync_job";
3044		3729
3045	1	3730	1
3046	} or do {	3731	} or do {
3047	warn $@;	3732	warn $@;
3048	warn "error while reloading, exiting.";	3733	cf::cleanup "error while reloading, exiting.";
3049	exit 1;
3050	};	3734	};
3051		3735
3052	warn "reloaded";	3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
3053	};	3742	};
3054		3743
3055	our $RELOAD_WATCHER; # used only during reload	3744	our $RELOAD_WATCHER; # used only during reload
3056		3745
3057	sub reload_perl() {	3746	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3747	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3748	# coro crashes during coro_state_free->destroy here.
3060		3749
3061	$RELOAD_WATCHER ||= Event->timer (	3750	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	3751	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	3752
3064	data => WF_AUTOCANCEL,	3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	3754	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3755	undef $RELOAD_WATCHER;
3068	},	3756	};
3069	);	3757	};
3070	}	3758	}
3071		3759
3072	register_command "reload" => sub {	3760	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
3074		3762
3075	if ($who->flag (FLAG_WIZ)) {	3763	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3764	$who->message ("reloading server.");
		3765	async {
		3766	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3767	reload_perl;
		3768	};
3078	}	3769	}
3079	};	3770	};
3080		3771
3081	unshift @INC, $LIBDIR;	3772	unshift @INC, $LIBDIR;
3082		3773
…		…
3084		3775
3085	our @WAIT_FOR_TICK;	3776	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3777	our @WAIT_FOR_TICK_BEGIN;
3087		3778
3088	sub wait_for_tick {	3779	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	3780	return if tick_inhibit || $Coro::current == $Coro::main;
3091		3781
3092	my $signal = new Coro::Signal;	3782	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3783	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3784	$signal->wait;
3095	}	3785	}
3096		3786
3097	sub wait_for_tick_begin {	3787	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	3788	return if tick_inhibit || $Coro::current == $Coro::main;
3100		3789
3101	my $signal = new Coro::Signal;	3790	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	3791	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	3792	$signal->wait;
3104	}	3793	}
3105		3794
3106	my $min = 1e6;#d#	3795	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	3796	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	3798	unless ++$bug_warning > 10;
3118	return;	3799	return;
3119	}	3800	}
3120		3801
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
3124		3803
3125	0 && sync_job {#d#	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	3806	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3807	$Coro::current->{desc} = "runtime saver";
3129	or die;	3808	write_runtime_sync
3130		3809	or warn "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	3810	};
		3811	}
3147		3812
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	3814	$sig->send;
3164	}	3815	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	3816	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	3817	$sig->send;
3167	}	3818	}
3168		3819
3169	$NOW = Event::time;	3820	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		3822
3180	_post_tick;	3823	if (0) {
3181		3824	if ($NEXT_TICK) {
3182		3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
		3828	}
3183	},	3829	}
3184	);	3830	}
3185		3831
3186	{	3832	{
3187	BDB::max_poll_time $TICK * 0.1;	3833	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	3834
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	3835	BDB::min_parallel 8;
3197		3836	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	3837	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		3838
3213	unless ($DB_ENV) {	3839	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	3840	$DB_ENV = BDB::db_env_create;
		3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		3846
3216	cf::sync_job {	3847	cf::sync_job {
3217	eval {	3848	eval {
3218	BDB::db_env_open	3849	BDB::db_env_open
3219	$DB_ENV,	3850	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3852	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3853	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	3854	0666;
3224		3855
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3856	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	3857	};
3230		3858
3231	cf::cleanup "db_env_open(db): $@" if $@;	3859	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	3860	};
3233	}	3861	}
		3862
		3863	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3864	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3865	};
		3866	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3867	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3868	};
		3869	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3870	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3871	};
3234	}	3872	}
3235		3873
3236	{	3874	{
		3875	# configure IO::AIO
		3876
3237	IO::AIO::min_parallel 8;	3877	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	3878	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	3879	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	3880	}
3250		3881
3251	my $_log_backtrace;	3882	my $_log_backtrace;
3252		3883
3253	sub _log_backtrace {	3884	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	3887	$msg =~ s/\n//;
3257		3888
3258	# limit the # of concurrent backtraces	3889	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	3890	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
3261	async {	3893	async {
		3894	$Coro::current->{desc} = "abt $msg";
		3895
3262	my @bt = fork_call {	3896	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	3897	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3898	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3899	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	3900	or die "addr2line: $!";
…		…
3274	}	3908	}
3275		3909
3276	@funcs	3910	@funcs
3277	};	3911	};
3278		3912
3279	LOG llevInfo, "[ABT] $msg\n";	3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	3915	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	3916	--$_log_backtrace;
3282	};	3917	};
3283	} else {	3918	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	3919	LOG llevInfo, "[ABT] $msg\n";

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