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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	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		74
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		76
50	our %COMMAND = ();	77	our %COMMAND = ();
51	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	81	our %EXTCMD = ();
55	our %EXTICMD = ();	82	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
58		85
59	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	87	our @EVENT;
61		88
62	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	90	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
73		104
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	107	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	113	our $DB_ENV;
84		114
85	our %CFG;	115	our %CFG;
86		116
87	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
89		120
90	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
93		124
94	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		127
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
100		132
101	binmode STDOUT;	133	binmode STDOUT;
102	binmode STDERR;	134	binmode STDERR;
103		135
104	# read virtual server time, if available	136	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
109	}	141	}
110		142
111	mkdir $_	143	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		189
158	The raw value load value from the last tick.	190	The raw value load value from the last tick.
159		191
160	=item %cf::CFG	192	=item %cf::CFG
161		193
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	195	from wherever your confdir points to.
164		196
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		198
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	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	200	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.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
171	=back	209	=back
172		210
173	=cut	211	=cut
174		212
175	BEGIN {	213	BEGIN {
…		…
179	$msg .= "\n"	217	$msg .= "\n"
180	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
181		219
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		221
184	utf8::encode $msg;
185	LOG llevError, $msg;	222	LOG llevError, $msg;
186	};	223	};
187	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
188		240
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	251	for my $pkg (qw(
200	cf::global cf::attachable	252	cf::global cf::attachable
201	cf::object cf::object::player	253	cf::object cf::object::player
202	cf::client cf::player	254	cf::client cf::player
203	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
204	cf::map cf::party cf::region	257	cf::party cf::region
205	)) {	258	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	260	}
209		261
210	$Event::DIED = sub {	262	$EV::DIED = sub {
211	warn "error in event callback: @_";	263	warn "error in event callback: @_";
212	};	264	};
213		265
214	#############################################################################	266	#############################################################################
215		267
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	291	$d
240	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
241	}	293	}
242		294
243	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
244		296
245	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
246		298
247	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
248		300
249	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
250		302
251	=cut	303	=cut
252		304
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		306
255	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
257		309
258	=item cf::lock_wait $string	310	=item cf::lock_wait $string
259		311
260	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
261		313
…		…
264	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
267	returned.	319	returned.
268		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
269	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
271		326
272	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
273		328
274	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
275		330
276	=cut	331	=cut
277		332
278	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
279		335
280	sub lock_wait($) {	336	sub lock_wait($) {
281	my ($key) = @_;	337	my ($key) = @_;
282		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
283	# wait for lock, if any	344	# wait for lock, if any
284	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
285	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	348	Coro::schedule;
287	}	349	}
288	}	350	}
289		351
…		…
292		354
293	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
294	lock_wait $key;	356	lock_wait $key;
295		357
296	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
297		360
298	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
301	}	365	}
302	}	366	}
303		367
…		…
306		370
307	! ! $LOCK{$key}	371	! ! $LOCK{$key}
308	}	372	}
309		373
310	sub freeze_mainloop {	374	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
312		376
313	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
315	};	438	}
316	$TICK_WATCHER->stop;	439	};
317	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
318	}	453	}
319		454
320	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
321		456
322	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		462
328	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
329		464
330	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
331		466
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	467	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	468	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	470	acceptable.
336		471
337	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		478
344	sub sync_job(&) {	479	sub sync_job(&) {
345	my ($job) = @_;	480	my ($job) = @_;
346		481
347	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	483	my $time = EV::time;
349		484
350	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
352		487
353	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	489
355	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
356		491
357	my $busy = 1;	492	my $busy = 1;
358	my @res;	493	my @res;
359		494
360	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	497	@res = eval { $job->() };
362	warn $@ if $@;	498	warn $@ if $@;
363	undef $busy;	499	undef $busy;
364	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
365		501
366	while ($busy) {	502	while ($busy) {
367	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
368	}	507	}
		508	}
369		509
370	$time = Event::time - $time;	510	my $time = EV::time - $time;
371		511
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	512	$TICK_START += $time; # do not account sync jobs to server load
376		513
377	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
378	} else {	515	} else {
379	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
380		517
…		…
405	=item fork_call { }, $args	542	=item fork_call { }, $args
406		543
407	Executes the given code block with the given arguments in a seperate	544	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	545	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	546	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	547	never block itself or use any form of event handling.
411		548
412	=cut	549	=cut
413		550
414	sub fork_call(&@) {	551	sub fork_call(&@) {
415	my ($cb, @args) = @_;	552	my ($cb, @args) = @_;
416		553
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	554	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	555	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	556	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		557
422	if (my $pid = fork) {	558	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	559	reset_signals;
436	local $SIG{__WARN__};	560	&$cb
437	local $SIG{__DIE__};	561	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		562
443	my @res = eval { $cb->(@args) };	563	wantarray ? @res : $res[-1]
		564	}
444		565
445	open my $fh, ">", \my $buf	566	=item $coin = coin_from_name $name
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449		567
450	warn "writing ", length $buf;	568	=cut
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456		569
457	warn $@ if $@;	570	our %coin_alias = (
458	_exit 0;	571	"silver" => "silvercoin",
459	}	572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
460	}	591	}
461		592
462	=item $value = cf::db_get $family => $key	593	=item $value = cf::db_get $family => $key
463		594
464	Returns a single value from the environment database.	595	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	597	=item cf::db_put $family => $key => $value
467		598
468	Stores the given C<$value> in the family. It can currently store binary	599	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
471	=cut	607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
472		625
473	our $DB;	626	our $DB;
474		627
475	sub db_init {	628	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	629	cf::sync_job {
480	eval {	630	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	631	};
490	}	632	}
491		633
492	sub db_get($$) {	634	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	635	my $key = "$_[0]/$_[1]";
494		636
…		…
544	if (1) {	686	if (1) {
545	$md5 =	687	$md5 =
546	join "\x00",	688	join "\x00",
547	$processversion,	689	$processversion,
548	map {	690	map {
549	Coro::cede;	691	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	692	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	693	} 0.. $#$src;
552		694
553		695
554	my $dbmd5 = db_get cache => "$id/md5";	696	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		734
593	#############################################################################	735	#############################################################################
594		736
595	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
596		738
597	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
598	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
600		742
601	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	745	Deliantra).
604		746
605	=over 4	747	=over 4
606		748
607	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
608		750
…		…
652	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
653		795
654	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
655	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
656		798
657	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
659		801
660	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
661		803
662	=over 4	804	=over 4
…		…
860	";	1002	";
861	die if $@;	1003	die if $@;
862	}	1004	}
863		1005
864	our $override;	1006	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1008
867	sub override {	1009	sub override {
868	$override = 1;	1010	$override = 1;
869	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
870	}	1012	}
871		1013
872	sub do_invoke {	1014	sub do_invoke {
873	my $event = shift;	1015	my $event = shift;
874	my $callbacks = shift;	1016	my $callbacks = shift;
875		1017
876	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
877		1019
878	local $override;	1020	local $override;
879		1021
880	for (@$callbacks) {	1022	for (@$callbacks) {
881	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
890	}	1032	}
891		1033
892	0	1034	0
893	}	1035	}
894		1036
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1038
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1040
899	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
900		1042
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1046
905	=back	1047	=back
906		1048
907	=cut	1049	=cut
908		1050
909	#############################################################################	1051	#############################################################################
910	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
911		1095
912	sub reattach {	1096	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1098	my ($obj) = @_;
915		1099
		1100	# no longer needed after getting rid of delete_package?
916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
917		1102
918	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
919		1104
920	@$registry = ();	1105	@$registry = ();
921		1106
…		…
936	cf::attachable->attach (	1121	cf::attachable->attach (
937	prio => -1000000,	1122	prio => -1000000,
938	on_instantiate => sub {	1123	on_instantiate => sub {
939	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
940		1125
941	$data = from_json $data;	1126	$data = decode_json $data;
942		1127
943	for (@$data) {	1128	for (@$data) {
944	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
945		1130
946	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1147	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
964		1149
965	sync_job {	1150	sync_job {
966	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
969		1155
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
974	close $fh;	1160	aio_close $fh;
975		1161
976	if (@$objs) {	1162	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
982	close $fh;	1168	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
984	}	1170	}
985	} else {	1171	} else {
986	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
987	}	1173	}
…		…
992	}	1178	}
993	} else {	1179	} else {
994	aio_unlink $filename;	1180	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
996	}	1182	}
997	}	1183	};
998	}	1184	}
999		1185
1000	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1002		1188
…		…
1014	or return;	1200	or return;
1015		1201
1016	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1204	or return;
		1205
1019	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1020	}	1208	}
1021		1209
		1210	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1024	return ($data, $av);	1214	($data, $av)
1025	}	1215	}
1026		1216
1027	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1028		1218
1029	=over 4	1219	=over 4
…		…
1102	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
1103		1293
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1295
1106	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1112	} else {	1311	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1313	}
1115		1314
1116	cf::override;	1315	cf::override;
…		…
1143		1342
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1345
1147	$ext{source} =	1346	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1348	. "#line 1 \"$path\"\n{\n"
1150	. $source	1349	. $source
1151	. "\n};\n1";	1350	. "\n};\n1";
1152		1351
1153	$todo{$base} = \%ext;	1352	$todo{$base} = \%ext;
…		…
1169	my $msg = $@ ? "$v->{path}: $@\n"	1368	my $msg = $@ ? "$v->{path}: $@\n"
1170	: "$v->{base}: extension inactive.\n";	1369	: "$v->{base}: extension inactive.\n";
1171		1370
1172	if (exists $v->{meta}{mandatory}) {	1371	if (exists $v->{meta}{mandatory}) {
1173	warn $msg;	1372	warn $msg;
1174	warn "mandatory extension failed to load, exiting.\n";	1373	cf::cleanup "mandatory extension failed to load, exiting.";
1175	exit 1;
1176	}	1374	}
1177		1375
1178	warn $msg;	1376	warn $msg;
1179	}	1377	}
1180		1378
…		…
1194		1392
1195	=back	1393	=back
1196		1394
1197	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
1198		1396
1199	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
1200		1398
1201	=cut	1399	=cut
1202		1400
1203	package cf::player;	1401	package cf::player;
1204		1402
1205	use Coro::AIO;	1403	use Coro::AIO;
1206		1404
1207	=head3 cf::player	1405	=head3 cf::player
1208		1406
1209	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
1210		1422
1211	=item cf::player::find $login	1423	=item cf::player::find $login
1212		1424
1213	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1214		1426
…		…
1233		1445
1234	sub exists($) {	1446	sub exists($) {
1235	my ($login) = @_;	1447	my ($login) = @_;
1236		1448
1237	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
1239	}	1451	}
1240		1452
1241	sub find($) {	1453	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1455	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1466
1255	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1258	}	1476	}
1259	}	1477	}
1260	}	1478	}
1261		1479
…		…
1270	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1271		1489
1272	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1274		1492
		1493	cf::get_slot 0.01;
		1494
1275	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1276	Coro::cede;	1496	cf::cede_to_tick;
1277	}	1497	}
1278		1498
1279	sub new($) {	1499	sub new($) {
1280	my ($login) = @_;	1500	my ($login) = @_;
1281		1501
…		…
1287	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1288		1508
1289	$self	1509	$self
1290	}	1510	}
1291		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1292	=item $pl->quit_character	1522	=item $pl->quit_character
1293		1523
1294	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1296		1526
…		…
1300	my ($pl) = @_;	1530	my ($pl) = @_;
1301		1531
1302	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1303		1533
1304	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1536
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1311		1543
1312	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1581	or return [];
1350		1582
1351	my @logins;	1583	my @logins;
1352		1584
1353	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1357		1595
1358	utf8::decode $login;	1596	utf8::decode $login;
1359	push @logins, $login;	1597	push @logins, $login;
1360	}	1598	}
1361		1599
…		…
1388	}	1626	}
1389		1627
1390	\@paths	1628	\@paths
1391	}	1629	}
1392		1630
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1632
1395	Expand crossfire pod fragments into protocol xml.	1633	Expand deliantra pod fragments into protocol xml.
1396		1634
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1444		1636
1445	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1446		1638
1447	=cut	1639	=cut
1448		1640
1449	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1451		1643
1452	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1645	}
1455		1646
1456	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1457		1648
1458	Sends an ext event to the client.	1649	Sends an ext event to the client.
1459		1650
1460	=cut	1651	=cut
1461		1652
1462	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1464		1655
1465	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1466	}	1657	}
1467		1658
1468	=head3 cf::region	1659	=head3 cf::region
1469		1660
1470	=over 4	1661	=over 4
…		…
1483	my ($path) = @_;	1674	my ($path) = @_;
1484		1675
1485	my ($match, $specificity);	1676	my ($match, $specificity);
1486		1677
1487	for my $region (list) {	1678	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1491	}	1682	}
1492	}	1683	}
1493		1684
…		…
1514	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1516		1707
1517	sub generate_random_map {	1708	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1519	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1714	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1613	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1614	return $self;	1808	return $self;
1615	}	1809	}
1616	}	1810	}
1617		1811
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1813	()
1620	}	1814	}
1621		1815
1622	sub init {	1816	sub init {
1623	my ($self) = @_;	1817	my ($self) = @_;
…		…
1645		1839
1646	# the temporary/swap location	1840	# the temporary/swap location
1647	sub save_path {	1841	sub save_path {
1648	my ($self) = @_;	1842	my ($self) = @_;
1649		1843
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1652	}	1846	}
1653		1847
1654	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1655	sub uniq_path {	1849	sub uniq_path {
1656	my ($self) = @_;	1850	my ($self) = @_;
1657		1851
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1660	}	1854	}
1661		1855
1662	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1663	# all maps in C++...	1857	# all maps in C++...
…		…
1686		1880
1687	sub load_header_from($) {	1881	sub load_header_from($) {
1688	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1689		1883
1690	utf8::encode $path;	1884	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1696		1893
1697	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1698		1895
1699	1	1896	1
1700	}	1897	}
…		…
1754	sub find {	1951	sub find {
1755	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1756		1953
1757	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1758		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1760		1958
1761	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1762	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1763	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1764	or return;	1964	or return;
1765		1965
1766	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1767		1967
…		…
1769	or return;	1969	or return;
1770		1970
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1774	$map->reset;	1976	$map->reset;
1775	undef $guard;
1776	return find $path;	1977	return find $path;
1777	}	1978	}
1778		1979
1779	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1780	}	1981	}
…		…
1789	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1790		1991
1791	my $path = $self->{path};	1992	my $path = $self->{path};
1792		1993
1793	{	1994	{
1794	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1795		1996
		1997	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		1999
1798	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1799		2001
1800	$self->alloc;	2002	$self->alloc;
1801		2003
1802	$self->pre_load;	2004	$self->pre_load;
1803	Coro::cede;	2005	cf::cede_to_tick;
1804		2006
		2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2009	$self->_load_objects ($f)
1806	or return;	2010	or return;
1807		2011
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1809	if delete $self->{load_original};	2013	if delete $self->{load_original};
1810		2014
1811	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2016	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2019	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1816	}	2023	}
1817	}	2024	}
1818		2025
1819	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1820	# now do the right thing for maps	2029	# now do the right thing for maps
1821	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2032	unless $self->difficulty;
1824	Coro::cede;	2033	cf::cede_to_tick;
1825		2034
1826	unless ($self->{deny_activate}) {	2035	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2036	$self->decay_objects;
1828	$self->fix_auto_apply;	2037	$self->fix_auto_apply;
1829	$self->update_buttons;	2038	$self->update_buttons;
1830	Coro::cede;	2039	cf::cede_to_tick;
1831	$self->set_darkness_map;	2040	$self->set_darkness_map;
1832	Coro::cede;	2041	cf::cede_to_tick;
1833	$self->activate;	2042	$self->activate;
1834	}	2043	}
1835		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2049	}
1838		2050
1839	$self->post_load;	2051	$self->post_load;
1840	}	2052	}
1841		2053
…		…
1850		2062
1851	$self	2063	$self
1852	}	2064	}
1853		2065
1854	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2067	sub load_neighbours {
1856	my ($map) = @_;	2068	my ($map) = @_;
1857		2069
1858	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1859		2071
1860	for (0 .. 3) {	2072	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1862	or next;	2074	or next;
1863	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1864	or next;	2076	or next;
1865	$neigh->load;	2077	$neigh->load;
1866		2078
		2079	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2082	}
1870		2083
1871	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1873	or next;	2087	or next;
1874	$neigh->load;	2088	$neigh->load;
1875	}	2089	}
1876	}	2090	}
1877		2091
…		…
1882	}	2096	}
1883		2097
1884	sub do_load_sync {	2098	sub do_load_sync {
1885	my ($map) = @_;	2099	my ($map) = @_;
1886		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1887	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1888	}	2105	}
1889		2106
1890	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1892		2109
1893	sub find_async {	2110	sub find_async {
1894	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1895		2112
1896	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1897		2114
1898	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2117	}
1901		2118
1902	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1903	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1904	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2126	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2127	$map->load if $v;
		2128	}
1909		2129
1910	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1911	}	2131	}
1912	}	2132	}
1913	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1914	};	2134	};
1915	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2138	}
1919		2139
1920	sub save {	2140	sub save {
1921	my ($self) = @_;	2141	my ($self) = @_;
1922		2142
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2144
1925	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1926		2146
1927	return unless $self->dirty;	2147	return unless $self->dirty;
1928		2148
…		…
1934	return if $self->{deny_save};	2154	return if $self->{deny_save};
1935		2155
1936	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1937		2157
1938	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1940	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1941		2164
1942	if ($uniq) {	2165	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2168	} else {
…		…
1951	my ($self) = @_;	2174	my ($self) = @_;
1952		2175
1953	# save first because save cedes	2176	# save first because save cedes
1954	$self->save;	2177	$self->save;
1955		2178
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2180
1958	return if $self->players;	2181	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1960	return if $self->{deny_save};	2183	return if $self->{deny_save};
1961		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2189	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2190	}
1965		2191
1966	sub reset_at {	2192	sub reset_at {
1967	my ($self) = @_;	2193	my ($self) = @_;
1968		2194
…		…
2000	if $uniq;	2226	if $uniq;
2001	}	2227	}
2002		2228
2003	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
2004		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2233	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2234
2009	$self->unlink_save;	2235	$self->unlink_save;
2010	$self->destroy;	2236	$self->destroy;
2011	}	2237	}
2012		2238
2013	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
2014		2240
2015	sub nuke {	2241	sub nuke {
2016	my ($self) = @_;	2242	my ($self) = @_;
2017		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
2018	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
2019		2248
2020	$self->unlink_save;	2249	$self->unlink_save;
2021		2250
2022	bless $self, "cf::map";	2251	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2256
2028	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
2029		2259
2030	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
2031	}	2261	}
2032		2262
2033	=item $maps = cf::map::tmp_maps	2263	=item $maps = cf::map::tmp_maps
…		…
2075		2305
2076	sub unique_maps() {	2306	sub unique_maps() {
2077	[	2307	[
2078	map {	2308	map {
2079	utf8::decode $_;	2309	utf8::decode $_;
2080	/\.map$/	2310	s/\.map$//; # TODO future compatibility hack
		2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2312	? ()
2081	? normalise $_	2313	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2314	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2315	]
2085	}	2316	}
2086		2317
2087	package cf;
2088
2089	=back	2318	=back
2090		2319
2091	=head3 cf::object	2320	=head3 cf::object
2092		2321
2093	=cut	2322	=cut
…		…
2096		2325
2097	=over 4	2326	=over 4
2098		2327
2099	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
2100		2329
2101	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
2102		2332
2103	=cut	2333	=cut
2104		2334
2105	sub inv_recursive_;	2335	sub inv_recursive_;
2106	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
2109		2339
2110	sub inv_recursive {	2340	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
2112	}	2342	}
2113		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
2114	package cf;	2372	package cf;
2115		2373
2116	=back	2374	=back
2117		2375
2118	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
2127		2385
2128	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
2129		2401
2130	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2403	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
2140		2412
2141	} else {	2413	} else {
2142	my $pl = $self->contr;	2414	my $pl = $self->contr;
2143		2415
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2417	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2419
2153	} else {	2420	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2423	}
2157	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
2158	}	2435	}
2159		2436
2160	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
2161		2438
2162	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
2175		2452
2176	=item $player_object->enter_link	2453	=item $player_object->enter_link
2177		2454
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2456
2180	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
2182		2461
2183	Will never block.	2462	Will never block.
2184		2463
2185	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
2186		2465
…		…
2241	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
2244		2523
2245	$map->load;	2524	$map->load;
2246	$map->load_diag;	2525	$map->load_neighbours;
2247		2526
2248	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2249	$self->activate_recursive;	2529	$self->activate_recursive;
2250		2530
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
2253	}	2533	}
2254		2534
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2536
2257	Moves the player to the given map-path and coordinates by first freezing	2537	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2540	the new (success) or old (failed) map position. In either case, $done will
		2541	be called at the end of this process.
		2542
		2543	Note that $check will be called with a potentially non-loaded map, so if
		2544	it needs a loaded map it has to call C<< ->load >>.
2261		2545
2262	=cut	2546	=cut
2263		2547
2264	our $GOTOGEN;	2548	our $GOTOGEN;
2265		2549
2266	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2552
2269	# do generation counting so two concurrent goto's will be executed in-order	2553	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2555
2272	$self->enter_link;	2556	$self->enter_link;
2273		2557
2274	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
2275	my $map = eval {	2580	my $map = eval {
2276	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
2277		2582
2278	if ($map) {	2583	if ($map) {
2279	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
2281	} else {	2586	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2588	}
2284		2589
2285	$map	2590	$map
2286	};	2591	};
2287		2592
…		…
2292		2597
2293	if ($gen == $self->{_goto_generation}) {	2598	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2599	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
2296	}	2601	}
		2602
		2603	$done->() if $done;
2297	})->prio (1);	2604	})->prio (1);
2298	}	2605	}
2299		2606
2300	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
2301		2608
…		…
2321	}	2628	}
2322		2629
2323	sub prepare_random_map {	2630	sub prepare_random_map {
2324	my ($exit) = @_;	2631	my ($exit) = @_;
2325		2632
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2635	# that depends on the exit object
2331		2636
2332	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2639	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2339	}	2646	}
2340		2647
2341	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2342		2649
2343	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2346		2653
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2656	undef $fh;
2350	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2351		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2354	}	2665	}
2355	}	2666	}
2356		2667
2357	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2359		2670
2360	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2361		2672
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2673	$self->enter_link;
2374		2674
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2675	(async {
2380	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2381	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2382	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2383		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2384	1;	2699	1
2385	}) {	2700	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2705
2391	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2410		2725
2411	utf8::encode $text;	2726	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2728	}
2414		2729
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2731
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2732	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2733	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2734	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2735	the message unless the client supports the msg packet.
2421		2736
2422	=cut	2737	=cut
2423		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
2424	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2805
2427	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
2428		2830
2429	return unless @extra || length $msg;	2831	return unless @extra || length $msg;
2430		2832
2431	if ($self->can_msg) {	2833	if ($self->can_msg) {
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
2433	} else {	2854	} else {
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443
2444	if ($color >= 0) {	2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
2445	if (0 && $msg =~ /\[/) {	2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
2447	} else {	2873	} else {
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")	2875	$self->send_packet ("drawinfo $color $msg")
2450	}	2876	}
2451	}	2877	}
2452	}	2878	}
2453	}	2879	}
2454		2880
2455	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2456		2882
2457	Sends an ext event to the client.	2883	Sends an ext event to the client.
2458		2884
2459	=cut	2885	=cut
2460		2886
2461	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2463		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2466	}	2914	}
2467		2915
2468	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2469		2917
2470	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	2973	my ($ns, $buf) = @_;
2526		2974
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		2976
2529	if (ref $msg) {	2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2985	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	2986	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
2536	} else {	2992	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	2994	}
2539		2995
2540	cf::override;	2996	cf::override;
…		…
2587	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2589		3045
2590	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2591		3047
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2593		3053
2594	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2595		3055
2596	=pod	3056	=pod
2597		3057
2598	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2599		3059
2600	cf::object	3060	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3061	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3062	insert remove name archname title slaying race decrease split
2603		3063
2604	cf::object::player	3064	cf::object::player
2605	player	3065	player
2606		3066
2607	cf::player	3067	cf::player
…		…
2612		3072
2613	=cut	3073	=cut
2614		3074
2615	for (	3075	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2618	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2620	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2621	) {	3082	) {
2622	no strict 'refs';	3083	no strict 'refs';
…		…
2698	# the server's init and main functions	3159	# the server's init and main functions
2699		3160
2700	sub load_facedata($) {	3161	sub load_facedata($) {
2701	my ($path) = @_;	3162	my ($path) = @_;
2702		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3169
2703	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2704		3171
2705	my $facedata;	3172	my $facedata;
2706	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3174	or die "$path: $!";
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2710		3177
2711	$facedata->{version} == 2	3178	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2714	{	3188	{
2715	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2716		3190
2717	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2722	Coro::cede;	3198
		3199	cf::cede_to_tick;
2723	}	3200	}
2724		3201
2725	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2727	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2728	or next;	3206	or next;
		3207
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3211	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3213	}
2734	Coro::cede;	3214
		3215	cf::cede_to_tick;
2735	}	3216	}
2736	}	3217	}
2737		3218
2738	{	3219	{
2739	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2740		3221
2741	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3224	cf::cede_to_tick;
2744	}	3225	}
2745		3226
2746	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2747	}	3228	}
2748		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2749	1	3265	1
2750	}	3266	}
2751		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
2752	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2753	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2755	}	3318	}
2756		3319
2757	sub reload_facedata {	3320	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
2760	}	3323	}
2761		3324
2762	sub reload_archetypes {	3325	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3326	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3327	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3328	}
2771		3329
2772	sub reload_treasures {	3330	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3331	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3332	or die "unable to load treasurelists\n";
2775	}	3333	}
2776		3334
2777	sub reload_resources {	3335	sub reload_resources {
2778	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2779		3337
		3338	reload_facedata;
		3339	reload_archetypes;
2780	reload_regions;	3340	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3341	reload_treasures;
2785		3342
2786	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2787	}	3344	}
2788		3345
2789	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2790	reload_resources;	3351	reload_resources;
2791	}	3352	}
2792		3353
2793	sub cfg_load {	3354	sub reload_config {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3356	or return;
2796		3357
2797	local $/;	3358	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2799		3360
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3362
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2809	};	3370	};
2810	warn $@ if $@;	3371	warn $@ if $@;
2811	}	3372	}
2812	}	3373	}
2813		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2814	sub main {	3394	sub main {
		3395	atomic;
		3396
2815	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3400	(async {
2819	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2821	};	3404	};
2822		3405
2823	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2824	db_init;	3409	db_init;
2825	load_extensions;	3410	load_extensions;
2826		3411
2827	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2828	Event::loop;	3420	EV::loop;
2829	}	3421	}
2830		3422
2831	#############################################################################	3423	#############################################################################
2832	# initialisation and cleanup	3424	# initialisation and cleanup
2833		3425
2834	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2835	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2844	},
2845	);	3432	};
2846	}	3433	}
2847	}	3434	}
2848		3435
2849	sub write_runtime {	3436	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";
2851
2852	# first touch the runtime file to show we are still running:	3437	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3438	# the fsync below can take a very very long time.
2854		3439
2855	IO::AIO::aio_utime $runtime, undef, undef;	3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3441
2857	my $guard = cf::lock_acquire "write_runtime";	3442	my $guard = cf::lock_acquire "write_runtime";
2858		3443
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2860	or return;	3445	or return;
2861		3446
2862	my $value = $cf::RUNTIME + 90 + 10;	3447	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3448	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3449	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3459	aio_utime $fh, undef, undef;
2875		3460
2876	close $fh	3461	close $fh
2877	or return;	3462	or return;
2878		3463
2879	aio_rename "$runtime~", $runtime	3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3465	and return;
2881		3466
2882	warn "runtime file written.\n";	3467	warn "runtime file written.\n";
2883		3468
2884	1	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2885	}	3513	}
2886		3514
2887	sub emergency_save() {	3515	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2889		3517
…		…
2895	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2897	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3529	$pl->save;
2901	}	3530	}
2902	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2903		3532
2904	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2910	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2911		3540
2912	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2915	};	3548	};
2916		3549
2917	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2918	}	3551	}
2919		3552
2920	sub post_cleanup {	3553	sub post_cleanup {
2921	my ($make_core) = @_;	3554	my ($make_core) = @_;
2922		3555
2923	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
2925	}	3587	}
2926		3588
2927	sub do_reload_perl() {	3589	sub do_reload_perl() {
2928	# can/must only be called in main	3590	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2930	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2931	return;	3593	return;
2932	}	3594	}
2933		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2934	warn "reloading...";	3599	warn "reloading...";
2935		3600
2936	warn "entering sync_job";	3601	warn "entering sync_job";
2937		3602
2938	cf::sync_job {	3603	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3605	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2942		3607
2943	warn "syncing database to disk";	3608	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3610
2946	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2947		3612
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();
2967
2968	warn "removing commands";
2969	%COMMAND = ();
2970
2971	warn "removing ext/exti commands";
2972	%EXTCMD = ();
2973	%EXTICMD = ();
2974
2975	warn "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";
2978
2979	if (my $cb = $pkg->can ("unload")) {
2980	eval {
2981	$cb->($pkg);
2982	1
2983	} or warn "$pkg unloaded, but with errors: $@";
2984	}	3616	}
2985		3617
2986	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2988	}	3620	%EXT_CORO = ();
2989		3621
2990	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2991	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3631	warn "... unloading $pkg";
2995	delete $INC{$k};
2996		3632
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
3001	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
3002	}	3642	}
3003		3643
3004	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
3005	}	3659	}
3006		3660
3007	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3664
3011	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
3014		3668
3015	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3670	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
3018		3672
3019	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
3020		3674
3021	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
3022	require cf;	3676	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3024		3678
3025	warn "loading config and database again";	3679	warn "loading config and database again";
3026	cf::cfg_load;	3680	cf::reload_config;
3027		3681
3028	warn "loading extensions";	3682	warn "loading extensions";
3029	cf::load_extensions;	3683	cf::load_extensions;
3030		3684
3031	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
3037		3691
3038	warn "leaving sync_job";	3692	warn "leaving sync_job";
3039		3693
3040	1	3694	1
3041	} or do {	3695	} or do {
3042	warn $@;	3696	warn $@;
3043	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3698	};
3046		3699
3047	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
3048	};	3703	};
3049		3704
3050	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
3051		3706
3052	sub reload_perl() {	3707	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
3055		3710
3056	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3057	reentrant => 0,
3058	after => 0,
3059	data => WF_AUTOCANCEL,
3060	cb => sub {
3061	do_reload_perl;	3712	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
3063	},
3064	);	3714	};
3065	}	3715	}
3066		3716
3067	register_command "reload" => sub {	3717	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
3069		3719
3070	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3724	reload_perl;
		3725	};
3073	}	3726	}
3074	};	3727	};
3075		3728
3076	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
3077		3730
…		…
3079		3732
3080	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
3082		3735
3083	sub wait_for_tick {	3736	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3086		3738
3087	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3741	$signal->wait;
3090	}	3742	}
3091		3743
3092	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3095		3746
3096	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3749	$signal->wait;
3099	}	3750	}
3100		3751
3101	my $min = 1e6;#d#	3752	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
3113	return;	3756	return;
3114	}	3757	}
3115		3758
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
3119		3760
3120	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	3763	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
3124	or die;	3765	write_runtime_sync
3125		3766	or warn "ERROR: unable to write runtime file: $!";
3126	$map->width (50);
3127	$map->height (50);
3128	$map->alloc;
3129	$map->_load_objects ("/tmp/x.map", 1);
3130	my $t = Event::time - $t;
3131
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	3767	};
		3768	}
3142		3769
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3771	$sig->send;
3159	}	3772	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3774	$sig->send;
3162	}	3775	}
3163		3776
3164	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3779
3175	_post_tick;	3780	if (0) {
3176		3781	if ($NEXT_TICK) {
3177		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
3178	},	3786	}
3179	);	3787	}
3180		3788
3181	{	3789	{
3182	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3791
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
3192		3793	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		3795
3208	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		3803
3211	cf::sync_job {	3804	cf::sync_job {
3212	eval {	3805	eval {
3213	BDB::db_env_open	3806	BDB::db_env_open
3214	$DB_ENV,	3807	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3811	0666;
3219		3812
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	3814	};
3225		3815
3226	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3817	};
3228	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
3229	}	3829	}
3230		3830
3231	{	3831	{
		3832	# configure IO::AIO
		3833
3232	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	3837	}
3245		3838
3246	my $_log_backtrace;	3839	my $_log_backtrace;
3247		3840
3248	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
3252		3845
3253	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
3256	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
3257	my @bt = fork_call {	3853	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
3269	}	3865	}
3270		3866
3271	@funcs	3867	@funcs
3272	};	3868	};
3273		3869
3274	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	3873	--$_log_backtrace;
3277	};	3874	};
3278	} else {	3875	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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