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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.451 by root, Mon Sep 22 05:42:41 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		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";
38	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
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
53	our %EXTCMD = ();	81	our %EXTCMD = ();
54	our %EXTICMD = ();	82	our %EXTICMD = ();
55	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
56	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
57		85
58	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
59	our @EVENT;	87	our @EVENT;
60		88
61	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
62	our $DATADIR = datadir;	90	our $DATADIR = datadir;
63	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
64	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
65	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
66	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
71	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
72		104
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	107	our $NEXT_TICK;
78	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
80		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
81	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
82	our $DB_ENV;	113	our $DB_ENV;
83		114
84	our %CFG;	115	our %CFG;
85		116
86	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
88		120
89	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
90	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
92		124
93	# 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 ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		127
96	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)
97	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
98	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
99		132
100	binmode STDOUT;	133	binmode STDOUT;
101	binmode STDERR;	134	binmode STDERR;
102		135
103	# read virtual server time, if available	136	# read virtual server time, if available
104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
105	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
106	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
107	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
108	}	141	}
109		142
110	mkdir $_	143	mkdir $_
111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
156		189
157	The raw value load value from the last tick.	190	The raw value load value from the last tick.
158		191
159	=item %cf::CFG	192	=item %cf::CFG
160		193
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	195	from wherever your confdir points to.
163		196
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		198
166	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
167	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
168	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.
169		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
170	=back	209	=back
171		210
172	=cut	211	=cut
173		212
174	BEGIN {	213	BEGIN {
…		…
178	$msg .= "\n"	217	$msg .= "\n"
179	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
180		219
181	$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;
182		221
183	utf8::encode $msg;
184	LOG llevError, $msg;	222	LOG llevError, $msg;
185	};	223	};
186	}	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#?
187		240
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
198	for my $pkg (qw(	251	for my $pkg (qw(
199	cf::global cf::attachable	252	cf::global cf::attachable
200	cf::object cf::object::player	253	cf::object cf::object::player
201	cf::client cf::player	254	cf::client cf::player
202	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
203	cf::map cf::party cf::region	257	cf::party cf::region
204	)) {	258	)) {
205	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	260	}
208		261
209	$Event::DIED = sub {	262	$EV::DIED = sub {
210	warn "error in event callback: @_";	263	warn "error in event callback: @_";
211	};	264	};
212		265
213	#############################################################################	266	#############################################################################
214		267
…		…
237	$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;
238	$d	291	$d
239	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
240	}	293	}
241		294
242	use JSON::XS ();
243
244	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
245		296
246	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
247		298
248	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
249		300
250	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
251		302
252	=cut	303	=cut
253		304
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		306
256	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
258		309
259	=item cf::lock_wait $string	310	=item cf::lock_wait $string
260		311
261	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
262		313
…		…
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
268	returned.	319	returned.
269		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
270	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
271	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
272		326
273	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
274		328
275	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
276		330
277	=cut	331	=cut
278		332
279	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
280		335
281	sub lock_wait($) {	336	sub lock_wait($) {
282	my ($key) = @_;	337	my ($key) = @_;
283		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
284	# wait for lock, if any	344	# wait for lock, if any
285	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
286	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;	348	Coro::schedule;
288	}	349	}
289	}	350	}
290		351
…		…
293		354
294	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
295	lock_wait $key;	356	lock_wait $key;
296		357
297	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
298		360
299	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
300	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
302	}	365	}
303	}	366	}
304		367
…		…
307		370
308	! ! $LOCK{$key}	371	! ! $LOCK{$key}
309	}	372	}
310		373
311	sub freeze_mainloop {	374	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
313		376
314	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
315	$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($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
316	};	438	}
317	$TICK_WATCHER->stop;	439	};
318	$guard	440
		441	sub get_slot($;$$) {
		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	$sig->wait;
319	}	453	}
320		454
321	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
322		456
323	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		462
329	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
330		464
331	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
332		466
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	467	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	468	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	470	acceptable.
337		471
338	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		478
345	sub sync_job(&) {	479	sub sync_job(&) {
346	my ($job) = @_;	480	my ($job) = @_;
347		481
348	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	483	my $time = EV::time;
350		484
351	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
353		487
354	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	489
356	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
357		491
358	my $busy = 1;	492	my $busy = 1;
359	my @res;	493	my @res;
360		494
361	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	497	@res = eval { $job->() };
363	warn $@ if $@;	498	warn $@ if $@;
364	undef $busy;	499	undef $busy;
365	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
366		501
367	while ($busy) {	502	while ($busy) {
368	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
369	}	507	}
		508	}
370		509
371	$time = Event::time - $time;	510	my $time = EV::time - $time;
372		511
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	512	$TICK_START += $time; # do not account sync jobs to server load
377		513
378	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
379	} else {	515	} else {
380	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
381		517
…		…
406	=item fork_call { }, $args	542	=item fork_call { }, $args
407		543
408	Executes the given code block with the given arguments in a seperate	544	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	545	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	546	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	547	never block itself or use any form of event handling.
412		548
413	=cut	549	=cut
414		550
415	sub fork_call(&@) {	551	sub fork_call(&@) {
416	my ($cb, @args) = @_;	552	my ($cb, @args) = @_;
417		553
418	# 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,
419	# or die "socketpair: $!";	555	# otherwise perl prematurely frees the stuff :/
420	pipe my $fh1, my $fh2	556	# TODO: investigate and fix (likely this will be rather laborious)
421	or die "pipe: $!";
422		557
423	if (my $pid = fork) {	558	my @res = Coro::Util::fork_eval {
424	close $fh2;
425
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	die $$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	eval {
439	close $fh1;
440		562
441	my @res = eval { $cb->(@args) };	563	wantarray ? @res : $res[-1]
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	564	}
443	};
444		565
445	warn $@ if $@;	566	=item $coin = coin_from_name $name
446	_exit 0;	567
447	}	568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		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
448	}	591	}
449		592
450	=item $value = cf::db_get $family => $key	593	=item $value = cf::db_get $family => $key
451		594
452	Returns a single value from the environment database.	595	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	597	=item cf::db_put $family => $key => $value
455		598
456	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
457	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).
458		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
459	=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	}
460		625
461	our $DB;	626	our $DB;
462		627
463	sub db_init {	628	sub db_init {
464	unless ($DB) {
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {	629	cf::sync_job {
468	eval {	630	$DB ||= db_table "db";
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}	631	};
478	}	632	}
479		633
480	sub db_get($$) {	634	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	635	my $key = "$_[0]/$_[1]";
482		636
…		…
532	if (1) {	686	if (1) {
533	$md5 =	687	$md5 =
534	join "\x00",	688	join "\x00",
535	$processversion,	689	$processversion,
536	map {	690	map {
537	Coro::cede;	691	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	692	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	693	} 0.. $#$src;
540		694
541		695
542	my $dbmd5 = db_get cache => "$id/md5";	696	my $dbmd5 = db_get cache => "$id/md5";
…		…
580		734
581	#############################################################################	735	#############################################################################
582		736
583	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
584		738
585	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
586	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")
587	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
588		742
589	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>
590	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
591	Crossfire TRT).	745	Deliantra).
592		746
593	=over 4	747	=over 4
594		748
595	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
596		750
…		…
640	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
641		795
642	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
643	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
644		798
645	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
646	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.
647		801
648	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
649		803
650	=over 4	804	=over 4
…		…
848	";	1002	";
849	die if $@;	1003	die if $@;
850	}	1004	}
851		1005
852	our $override;	1006	our $override;
853	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?
854		1008
855	sub override {	1009	sub override {
856	$override = 1;	1010	$override = 1;
857	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
858	}	1012	}
859		1013
860	sub do_invoke {	1014	sub do_invoke {
861	my $event = shift;	1015	my $event = shift;
862	my $callbacks = shift;	1016	my $callbacks = shift;
863		1017
864	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
865		1019
866	local $override;	1020	local $override;
867		1021
868	for (@$callbacks) {	1022	for (@$callbacks) {
869	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
878	}	1032	}
879		1033
880	0	1034	0
881	}	1035	}
882		1036
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1038
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1040
887	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
888		1042
889	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
890	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
891	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1046
893	=back	1047	=back
894		1048
895	=cut	1049	=cut
896		1050
897	#############################################################################	1051	#############################################################################
898	# 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	}
899		1095
900	sub reattach {	1096	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1098	my ($obj) = @_;
903		1099
		1100	# no longer needed after getting rid of delete_package?
904	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
905		1102
906	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
907		1104
908	@$registry = ();	1105	@$registry = ();
909		1106
…		…
924	cf::attachable->attach (	1121	cf::attachable->attach (
925	prio => -1000000,	1122	prio => -1000000,
926	on_instantiate => sub {	1123	on_instantiate => sub {
927	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
928		1125
929	$data = from_json $data;	1126	$data = decode_json $data;
930		1127
931	for (@$data) {	1128	for (@$data) {
932	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
933		1130
934	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1147	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
952		1149
953	sync_job {	1150	sync_job {
954	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
957		1155
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1160	aio_close $fh;
963		1161
964	if (@$objs) {	1162	if (@$objs) {
965	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) {
966	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
969	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
970	close $fh;	1168	aio_close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
972	}	1170	}
973	} else {	1171	} else {
974	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
975	}	1173	}
…		…
980	}	1178	}
981	} else {	1179	} else {
982	aio_unlink $filename;	1180	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
984	}	1182	}
985	}	1183	};
986	}	1184	}
987		1185
988	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
990		1188
…		…
1002	or return;	1200	or return;
1003		1201
1004	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1204	or return;
		1205
1007	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1008	}	1208	}
1009		1209
		1210	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1012	return ($data, $av);	1214	($data, $av)
1013	}	1215	}
1014		1216
1015	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1016		1218
1017	=over 4	1219	=over 4
…		…
1087	cf::override;	1289	cf::override;
1088	},	1290	},
1089	on_extcmd => sub {	1291	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
1091		1293
1092	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1295
1094	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
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
1097	$pl->ext_reply ($msg->{msgid}, %reply);
1098	}
1099	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1100	} else {	1311	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1313	}
1103		1314
1104	cf::override;	1315	cf::override;
…		…
1131		1342
1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1134		1345
1135	$ext{source} =	1346	$ext{source} =
1136	"package $pkg; use strict; use utf8;\n"	1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1137	. "#line 1 \"$path\"\n{\n"	1348	. "#line 1 \"$path\"\n{\n"
1138	. $source	1349	. $source
1139	. "\n};\n1";	1350	. "\n};\n1";
1140		1351
1141	$todo{$base} = \%ext;	1352	$todo{$base} = \%ext;
…		…
1157	my $msg = $@ ? "$v->{path}: $@\n"	1368	my $msg = $@ ? "$v->{path}: $@\n"
1158	: "$v->{base}: extension inactive.\n";	1369	: "$v->{base}: extension inactive.\n";
1159		1370
1160	if (exists $v->{meta}{mandatory}) {	1371	if (exists $v->{meta}{mandatory}) {
1161	warn $msg;	1372	warn $msg;
1162	warn "mandatory extension failed to load, exiting.\n";	1373	cf::cleanup "mandatory extension failed to load, exiting.";
1163	exit 1;
1164	}	1374	}
1165		1375
1166	warn $msg;	1376	warn $msg;
1167	}	1377	}
1168		1378
…		…
1182		1392
1183	=back	1393	=back
1184		1394
1185	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
1186		1396
1187	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
1188		1398
1189	=cut	1399	=cut
1190		1400
1191	package cf::player;	1401	package cf::player;
1192		1402
1193	use Coro::AIO;	1403	use Coro::AIO;
1194		1404
1195	=head3 cf::player	1405	=head3 cf::player
1196		1406
1197	=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	}
1198		1422
1199	=item cf::player::find $login	1423	=item cf::player::find $login
1200		1424
1201	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1202		1426
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1466
1243	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1244	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;
1245	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1246	}	1476	}
1247	}	1477	}
1248	}	1478	}
1249		1479
…		…
1258	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1259		1489
1260	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1262		1492
		1493	cf::get_slot 0.01;
		1494
1263	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1264	Coro::cede;	1496	cf::cede_to_tick;
1265	}	1497	}
1266		1498
1267	sub new($) {	1499	sub new($) {
1268	my ($login) = @_;	1500	my ($login) = @_;
1269		1501
…		…
1275	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1276		1508
1277	$self	1509	$self
1278	}	1510	}
1279		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
1280	=item $pl->quit_character	1522	=item $pl->quit_character
1281		1523
1282	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
1283	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1284		1526
…		…
1288	my ($pl) = @_;	1530	my ($pl) = @_;
1289		1531
1290	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1291		1533
1292	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1293	$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
1294		1536
1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1296	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1297	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1298	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1299		1543
1300	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1301	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1337	or return [];	1581	or return [];
1338		1582
1339	my @logins;	1583	my @logins;
1340		1584
1341	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") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1345		1595
1346	utf8::decode $login;	1596	utf8::decode $login;
1347	push @logins, $login;	1597	push @logins, $login;
1348	}	1598	}
1349		1599
…		…
1376	}	1626	}
1377		1627
1378	\@paths	1628	\@paths
1379	}	1629	}
1380		1630
1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1382		1632
1383	Expand crossfire pod fragments into protocol xml.	1633	Expand deliantra pod fragments into protocol xml.
1384		1634
1385	=cut
1386
1387	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;
1389
1390	# escape & and <
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393
1394	# this is buggy, it needs to properly take care of nested <'s
1395
1396	1 while
1397	# replace B<>, I<>, U<> etc.
1398	s/B<([^\>]*)>/<b>$1<\/b>/
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
1401	# replace G<male|female> tags
1402	|| s{G<([^>|]*)\|([^>]*)>}{
1403	$self->gender ? $2 : $1
1404	}ge
1405	# replace H<hint text>
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407
1408	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;
1410
1411	$_
1412	}
1413
1414	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1415		1636
1416	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1417		1638
1418	=cut	1639	=cut
1419		1640
1420	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1421	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1422		1643
1423	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}	1645	}
1426		1646
1427	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1428		1648
1429	Sends an ext event to the client.	1649	Sends an ext event to the client.
1430		1650
1431	=cut	1651	=cut
1432		1652
1433	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1435		1655
1436	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1437	}	1657	}
1438		1658
1439	=head3 cf::region	1659	=head3 cf::region
1440		1660
1441	=over 4	1661	=over 4
…		…
1454	my ($path) = @_;	1674	my ($path) = @_;
1455		1675
1456	my ($match, $specificity);	1676	my ($match, $specificity);
1457		1677
1458	for my $region (list) {	1678	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1462	}	1682	}
1463	}	1683	}
1464		1684
…		…
1485	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1487		1707
1488	sub generate_random_map {	1708	sub generate_random_map {
1489	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
1490	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1491	$self->_create_random_map (	1714	$self->_create_random_map (
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1584	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1585	return $self;	1808	return $self;
1586	}	1809	}
1587	}	1810	}
1588		1811
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1590	()	1813	()
1591	}	1814	}
1592		1815
1593	sub init {	1816	sub init {
1594	my ($self) = @_;	1817	my ($self) = @_;
…		…
1616		1839
1617	# the temporary/swap location	1840	# the temporary/swap location
1618	sub save_path {	1841	sub save_path {
1619	my ($self) = @_;	1842	my ($self) = @_;
1620		1843
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1623	}	1846	}
1624		1847
1625	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1626	sub uniq_path {	1849	sub uniq_path {
1627	my ($self) = @_;	1850	my ($self) = @_;
1628		1851
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1631	}	1854	}
1632		1855
1633	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1634	# all maps in C++...	1857	# all maps in C++...
…		…
1657		1880
1658	sub load_header_from($) {	1881	sub load_header_from($) {
1659	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1660		1883
1661	utf8::encode $path;	1884	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	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;
1667		1893
1668	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1669		1895
1670	1	1896	1
1671	}	1897	}
…		…
1725	sub find {	1951	sub find {
1726	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1727		1953
1728	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1729		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1731		1958
1732	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1733	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1734	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1735	or return;	1964	or return;
1736		1965
1737	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1738		1967
…		…
1740	or return;	1969	or return;
1741		1970
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1745	$map->reset;	1976	$map->reset;
1746	undef $guard;
1747	return find $path;	1977	return find $path;
1748	}	1978	}
1749		1979
1750	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1751	}	1981	}
…		…
1760	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1761		1991
1762	my $path = $self->{path};	1992	my $path = $self->{path};
1763		1993
1764	{	1994	{
1765	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1766		1996
		1997	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1768		1999
1769	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1770		2001
1771	$self->alloc;	2002	$self->alloc;
1772		2003
1773	$self->pre_load;	2004	$self->pre_load;
1774	Coro::cede;	2005	cf::cede_to_tick;
1775		2006
		2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
1776	$self->_load_objects ($self->{load_path}, 1)	2009	$self->_load_objects ($f)
1777	or return;	2010	or return;
1778		2011
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1780	if delete $self->{load_original};	2013	if delete $self->{load_original};
1781		2014
1782	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2016	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2019	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1787	}	2023	}
1788	}	2024	}
1789		2025
1790	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1791	# now do the right thing for maps	2029	# now do the right thing for maps
1792	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2032	unless $self->difficulty;
1795	Coro::cede;	2033	cf::cede_to_tick;
1796		2034
1797	unless ($self->{deny_activate}) {	2035	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2036	$self->decay_objects;
1799	$self->fix_auto_apply;	2037	$self->fix_auto_apply;
1800	$self->update_buttons;	2038	$self->update_buttons;
1801	Coro::cede;	2039	cf::cede_to_tick;
1802	$self->set_darkness_map;	2040	$self->set_darkness_map;
1803	Coro::cede;	2041	cf::cede_to_tick;
1804	$self->activate;	2042	$self->activate;
1805	}	2043	}
1806		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1808	}	2049	}
1809		2050
1810	$self->post_load;	2051	$self->post_load;
1811	}	2052	}
1812		2053
…		…
1821		2062
1822	$self	2063	$self
1823	}	2064	}
1824		2065
1825	# 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
1826	sub load_diag {	2067	sub load_neighbours {
1827	my ($map) = @_;	2068	my ($map) = @_;
1828		2069
1829	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1830		2071
1831	for (0 .. 3) {	2072	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1833	or next;	2074	or next;
1834	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1835	or next;	2076	or next;
1836	$neigh->load;	2077	$neigh->load;
1837		2078
		2079	push @neigh,
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}	2082	}
1841		2083
1842	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1843	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1844	or next;	2087	or next;
1845	$neigh->load;	2088	$neigh->load;
1846	}	2089	}
1847	}	2090	}
1848		2091
…		…
1853	}	2096	}
1854		2097
1855	sub do_load_sync {	2098	sub do_load_sync {
1856	my ($map) = @_;	2099	my ($map) = @_;
1857		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1858	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1859	}	2105	}
1860		2106
1861	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1863		2109
1864	sub find_async {	2110	sub find_async {
1865	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1866		2112
1867	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1868		2114
1869	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1871	}	2117	}
1872		2118
1873	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1874	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1875	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2126	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2127	$map->load if $v;
		2128	}
1880		2129
1881	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1882	}	2131	}
1883	}	2132	}
1884	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1885	};	2134	};
1886	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1889	}	2138	}
1890		2139
1891	sub save {	2140	sub save {
1892	my ($self) = @_;	2141	my ($self) = @_;
1893		2142
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1895		2144
1896	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1897		2146
1898	return unless $self->dirty;	2147	return unless $self->dirty;
1899		2148
…		…
1905	return if $self->{deny_save};	2154	return if $self->{deny_save};
1906		2155
1907	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1908		2157
1909	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1911	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1912		2164
1913	if ($uniq) {	2165	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2168	} else {
…		…
1922	my ($self) = @_;	2174	my ($self) = @_;
1923		2175
1924	# save first because save cedes	2176	# save first because save cedes
1925	$self->save;	2177	$self->save;
1926		2178
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2180
1929	return if $self->players;	2181	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1931	return if $self->{deny_save};	2183	return if $self->{deny_save};
1932		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1933	$self->clear;	2189	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2190	}
1936		2191
1937	sub reset_at {	2192	sub reset_at {
1938	my ($self) = @_;	2193	my ($self) = @_;
1939		2194
…		…
1971	if $uniq;	2226	if $uniq;
1972	}	2227	}
1973		2228
1974	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1975		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2233	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2234
1980	$self->unlink_save;	2235	$self->unlink_save;
1981	$self->destroy;	2236	$self->destroy;
1982	}	2237	}
1983		2238
1984	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1985		2240
1986	sub nuke {	2241	sub nuke {
1987	my ($self) = @_;	2242	my ($self) = @_;
1988		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1989	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1990		2248
1991	$self->unlink_save;	2249	$self->unlink_save;
1992		2250
1993	bless $self, "cf::map";	2251	bless $self, "cf::map";
1994	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2256
1999	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
2000		2259
2001	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
2002	}	2261	}
2003		2262
2004	=item $maps = cf::map::tmp_maps	2263	=item $maps = cf::map::tmp_maps
…		…
2046		2305
2047	sub unique_maps() {	2306	sub unique_maps() {
2048	[	2307	[
2049	map {	2308	map {
2050	utf8::decode $_;	2309	utf8::decode $_;
2051	/\.map$/	2310	s/\.map$//; # TODO future compatibility hack
		2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2312	? ()
2052	? normalise $_	2313	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2314	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2315	]
2056	}	2316	}
2057		2317
2058	package cf;
2059
2060	=back	2318	=back
2061		2319
2062	=head3 cf::object	2320	=head3 cf::object
2063		2321
2064	=cut	2322	=cut
…		…
2067		2325
2068	=over 4	2326	=over 4
2069		2327
2070	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
2071		2329
2072	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.
2073		2332
2074	=cut	2333	=cut
2075		2334
2076	sub inv_recursive_;	2335	sub inv_recursive_;
2077	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
2080		2339
2081	sub inv_recursive {	2340	sub inv_recursive {
2082	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
2083	}	2342	}
2084		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
2085	package cf;	2372	package cf;
2086		2373
2087	=back	2374	=back
2088		2375
2089	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
2095	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>
2096	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
2097	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
2098		2385
2099	=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	};
2100		2401
2101	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
2102	# with dialog boxes.	2403	# with dialog boxes.
2103	#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
2104	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
2111		2412
2112	} else {	2413	} else {
2113	my $pl = $self->contr;	2414	my $pl = $self->contr;
2114		2415
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2417	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2419
2124	} else {	2420	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2127	}	2423	}
2128	}	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 (@_);
2129	}	2435	}
2130		2436
2131	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
2132		2438
2133	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
2146		2452
2147	=item $player_object->enter_link	2453	=item $player_object->enter_link
2148		2454
2149	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}>).
2150		2456
2151	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.
2152	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.
2153		2461
2154	Will never block.	2462	Will never block.
2155		2463
2156	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
2157		2465
…		…
2212	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
2215		2523
2216	$map->load;	2524	$map->load;
2217	$map->load_diag;	2525	$map->load_neighbours;
2218		2526
2219	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2220	$self->activate_recursive;	2529	$self->activate_recursive;
2221		2530
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
2224	}	2533	}
2225		2534
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2227		2536
2228	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
2229	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
2230	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
2231	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 >>.
2232		2545
2233	=cut	2546	=cut
2234		2547
2235	our $GOTOGEN;	2548	our $GOTOGEN;
2236		2549
2237	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
2239		2552
2240	# 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
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2555
2243	$self->enter_link;	2556	$self->enter_link;
2244		2557
2245	(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
2246	my $map = eval {	2580	my $map = eval {
2247	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
2248		2582
2249	if ($map) {	2583	if ($map) {
2250	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
2252	} else {	2586	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2588	}
2255		2589
2256	$map	2590	$map
2257	};	2591	};
2258		2592
…		…
2263		2597
2264	if ($gen == $self->{_goto_generation}) {	2598	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2599	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
2267	}	2601	}
		2602
		2603	$done->() if $done;
2268	})->prio (1);	2604	})->prio (1);
2269	}	2605	}
2270		2606
2271	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
2272		2608
…		…
2292	}	2628	}
2293		2629
2294	sub prepare_random_map {	2630	sub prepare_random_map {
2295	my ($exit) = @_;	2631	my ($exit) = @_;
2296		2632
2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
2298
2299	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2300	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2301	# that depends on the exit object	2635	# that depends on the exit object
2302		2636
2303	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2305	if ($exit->map) {	2639	if ($exit->map) {
2306	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2307	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2308	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2309	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2310	}	2646	}
2311		2647
2312	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2313		2649
2314	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2317		2653
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2320	undef $fh;	2656	undef $fh;
2321	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2322		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2323	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2324	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2325	}	2665	}
2326	}	2666	}
2327		2667
2328	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2329	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2330		2670
2331	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2332		2672
2333	if ($exit->slaying eq "/!") {
2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
2335	# the problem is that $exit might not survive long enough
2336	# so it needs to be done right now, right here
2337	cf::sync_job { prepare_random_map $exit };
2338	}
2339
2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2341	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;
2343
2344	$self->enter_link;	2673	$self->enter_link;
2345		2674
2346	(async {	2675	(async {
2347	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2348	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
2349	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2350		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
2351	1;	2699	1
2352	}) {	2700	}) {
2353	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2354	. "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. "
2355	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2356	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2357		2705
2358	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2377		2725
2378	utf8::encode $text;	2726	utf8::encode $text;
2379	$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);
2380	}	2728	}
2381		2729
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		2731
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	2732	Send a drawinfo or msg packet to the client, formatting the msg for the
2385	client if neccessary. C<$type> should be a string identifying the type of	2733	client if neccessary. C<$type> should be a string identifying the type of
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	2734	the message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	2735	the message unless the client supports the msg packet.
2388		2736
2389	=cut	2737	=cut
2390		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
2391	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2393		2805
2394	$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	}
		2830
		2831	return unless @extra || length $msg;
2395		2832
2396	if ($self->can_msg) {	2833	if ($self->can_msg) {
2397	$self->send_packet ("msg " . cf::to_json [$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);
2398	} else {	2854	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408
2409	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
2410	if (0 && $msg =~ /\[/) {	2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
2412	} else {	2873	} else {
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2414	$self->send_packet ("drawinfo $color $msg")	2875	$self->send_packet ("drawinfo $color $msg")
2415	}	2876	}
2416	}	2877	}
2417	}	2878	}
2418	}	2879	}
2419		2880
2420	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2421		2882
2422	Sends an ext event to the client.	2883	Sends an ext event to the client.
2423		2884
2424	=cut	2885	=cut
2425		2886
2426	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2428		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2429	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2430	$self->send_packet ("ext " . cf::to_json \%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	}
2431	}	2914	}
2432		2915
2433	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2434		2917
2435	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
…		…
2458		2941
2459	1	2942	1
2460	}	2943	}
2461		2944
2462	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2463	on_reply => sub {	2951	on_reply => sub {
2464	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2465		2953
2466	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2467	# get handled first	2955	# get handled first
…		…
2482	}	2970	}
2483	},	2971	},
2484	on_exticmd => sub {	2972	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	2973	my ($ns, $buf) = @_;
2486		2974
2487	my $msg = eval { from_json $buf };	2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		2976
2489	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
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2985	if (my $cb = $EXTICMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	2986	@reply = $cb->($ns, @payload);
2492	$reply{msgid} = $msg->{msgid};
2493	$ns->send ("ext " . cf::to_json \%reply);
2494	}
2495	}	2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
2496	} else {	2992	} else {
2497	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";
2498	}	2994	}
2499		2995
2500	cf::override;	2996	cf::override;
…		…
2547	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2549		3045
2550	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2551		3047
2552	$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	));
2553		3053
2554	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2555		3055
2556	=pod	3056	=pod
2557		3057
2558	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2559		3059
2560	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2561	cf::object::player player	3064	cf::object::player
2562	cf::player peaceful	3065	player
2563	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2564		3072
2565	=cut	3073	=cut
2566		3074
2567	for (	3075	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2569	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2571	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2572	) {	3082	) {
2573	no strict 'refs';	3083	no strict 'refs';
…		…
2649	# the server's init and main functions	3159	# the server's init and main functions
2650		3160
2651	sub load_facedata($) {	3161	sub load_facedata($) {
2652	my ($path) = @_;	3162	my ($path) = @_;
2653		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
2654	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2655		3171
2656	my $facedata;	3172	my $facedata;
2657	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
2658	or die "$path: $!";	3174	or die "$path: $!";
…		…
2660	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2661		3177
2662	$facedata->{version} == 2	3178	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2664		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
2665	{	3188	{
2666	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2667		3190
2668	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2673	Coro::cede;	3198
		3199	cf::cede_to_tick;
2674	}	3200	}
2675		3201
2676	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2678	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2679	or next;	3206	or next;
		3207
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3211	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3213	}
2685	Coro::cede;	3214
		3215	cf::cede_to_tick;
2686	}	3216	}
2687	}	3217	}
2688		3218
2689	{	3219	{
2690	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2691		3221
2692	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;	3224	cf::cede_to_tick;
2695	}	3225	}
2696		3226
2697	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2698	}	3228	}
2699		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
2700	1	3265	1
2701	}	3266	}
2702		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
2703	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
2704	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2705	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	}
2706	}	3318	}
2707		3319
2708	sub reload_facedata {	3320	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2710	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
…		…
2721	}	3333	}
2722		3334
2723	sub reload_resources {	3335	sub reload_resources {
2724	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2725		3337
		3338	reload_facedata;
		3339	reload_archetypes;
2726	reload_regions;	3340	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3341	reload_treasures;
2731		3342
2732	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2733	}	3344	}
2734		3345
2735	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2736	reload_resources;	3351	reload_resources;
2737	}	3352	}
2738		3353
2739	sub cfg_load {	3354	sub reload_config {
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2741	or return;	3356	or return;
2742		3357
2743	local $/;	3358	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2745		3360
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2747		3362
2748	$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};
2749	$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};
…		…
2755	};	3370	};
2756	warn $@ if $@;	3371	warn $@ if $@;
2757	}	3372	}
2758	}	3373	}
2759		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
2760	sub main {	3394	sub main {
		3395	atomic;
		3396
2761	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2763	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#
2764	(async {	3400	(async {
2765	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2767	};	3404	};
2768		3405
2769	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2770	db_init;	3409	db_init;
2771	load_extensions;	3410	load_extensions;
2772		3411
2773	$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
2774	Event::loop;	3420	EV::loop;
2775	}	3421	}
2776		3422
2777	#############################################################################	3423	#############################################################################
2778	# initialisation and cleanup	3424	# initialisation and cleanup
2779		3425
2780	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2781	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2790	},
2791	);	3432	};
2792	}	3433	}
2793	}	3434	}
2794		3435
2795	sub write_runtime {	3436	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";
2797
2798	# first touch the runtime file to show we are still running:	3437	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3438	# the fsync below can take a very very long time.
2800		3439
2801	IO::AIO::aio_utime $runtime, undef, undef;	3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2802		3441
2803	my $guard = cf::lock_acquire "write_runtime";	3442	my $guard = cf::lock_acquire "write_runtime";
2804		3443
2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2806	or return;	3445	or return;
2807		3446
2808	my $value = $cf::RUNTIME + 90 + 10;	3447	my $value = $cf::RUNTIME + 90 + 10;
2809	# 10 is the runtime save interval, for a monotonic clock	3448	# 10 is the runtime save interval, for a monotonic clock
2810	# 60 allows for the watchdog to kill the server.	3449	# 60 allows for the watchdog to kill the server.
…		…
2820	aio_utime $fh, undef, undef;	3459	aio_utime $fh, undef, undef;
2821		3460
2822	close $fh	3461	close $fh
2823	or return;	3462	or return;
2824		3463
2825	aio_rename "$runtime~", $runtime	3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2826	and return;	3465	and return;
2827		3466
2828	warn "runtime file written.\n";	3467	warn "runtime file written.\n";
2829		3468
2830	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($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2831	}	3513	}
2832		3514
2833	sub emergency_save() {	3515	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2835		3517
…		…
2841	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2843	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	3529	$pl->save;
2847	}	3530	}
2848	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2849		3532
2850	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2856	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2857		3540
2858	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2861	};	3548	};
2862		3549
2863	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2864	}	3551	}
2865		3552
2866	sub post_cleanup {	3553	sub post_cleanup {
2867	my ($make_core) = @_;	3554	my ($make_core) = @_;
2868		3555
2869	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2870	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		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 $pkg\n";#d#
2871	}	3587	}
2872		3588
2873	sub do_reload_perl() {	3589	sub do_reload_perl() {
2874	# can/must only be called in main	3590	# can/must only be called in main
2875	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2876	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2877	return;	3593	return;
2878	}	3594	}
2879		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2880	warn "reloading...";	3599	warn "reloading...";
2881		3600
2882	warn "entering sync_job";	3601	warn "entering sync_job";
2883		3602
2884	cf::sync_job {	3603	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2886	cf::emergency_save;	3605	cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2888		3607
2889	warn "syncing database to disk";	3608	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2891		3610
2892	# 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
2893		3612
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898
2899	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2900	for (;;) {
2901	BDB::flush;
2902	IO::AIO::flush;
2903	Coro::cede;
2904	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2905	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2906	}
2907
2908	++$RELOAD;
2909
2910	warn "cancelling all extension coros";
2911	$_->cancel for values %EXT_CORO;
2912	%EXT_CORO = ();
2913
2914	warn "removing commands";
2915	%COMMAND = ();
2916
2917	warn "removing ext/exti commands";
2918	%EXTCMD = ();
2919	%EXTICMD = ();
2920
2921	warn "unloading/nuking all extensions";
2922	for my $pkg (@EXTS) {
2923	warn "... unloading $pkg";
2924
2925	if (my $cb = $pkg->can ("unload")) {
2926	eval {
2927	$cb->($pkg);
2928	1
2929	} or warn "$pkg unloaded, but with errors: $@";
2930	}	3616	}
2931		3617
2932	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2933	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2934	}	3620	%EXT_CORO = ();
2935		3621
2936	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2937	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2939		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2940	warn "... unloading $k";	3631	warn "... unloading $pkg";
2941	delete $INC{$k};
2942		3632
2943	$k =~ s/\.pm$//;
2944	$k =~ s/\//::/g;
2945
2946	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2947	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2948	}	3642	}
2949		3643
2950	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 $k;
2951	}	3659	}
2952		3660
2953	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2954	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2955	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);
2956		3664
2957	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2958	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
2959	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
2960		3668
2961	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2962	# and global variables created in xs	3670	# and global variables created in xs
2963	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2964		3672
2965	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2966		3674
2967	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2968	require cf;	3676	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2970		3678
2971	warn "loading config and database again";	3679	warn "loading config and database again";
2972	cf::cfg_load;	3680	cf::reload_config;
2973		3681
2974	warn "loading extensions";	3682	warn "loading extensions";
2975	cf::load_extensions;	3683	cf::load_extensions;
2976		3684
2977	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2978	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2979	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2980	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2981	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2982	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2983		3691
2984	warn "leaving sync_job";	3692	warn "leaving sync_job";
2985		3693
2986	1	3694	1
2987	} or do {	3695	} or do {
2988	warn $@;	3696	warn $@;
2989	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2990	exit 1;
2991	};	3698	};
2992		3699
2993	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
2994	};	3703	};
2995		3704
2996	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2997		3706
2998	sub reload_perl() {	3707	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
3001		3710
3002	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3003	reentrant => 0,
3004	after => 0,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	do_reload_perl;	3712	do_reload_perl;
3008	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
3009	},
3010	);	3714	};
3011	}	3715	}
3012		3716
3013	register_command "reload" => sub {	3717	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
3015		3719
3016	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	3724	reload_perl;
		3725	};
3019	}	3726	}
3020	};	3727	};
3021		3728
3022	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
3023		3730
…		…
3025		3732
3026	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
3028		3735
3029	sub wait_for_tick {	3736	sub wait_for_tick {
3030	return unless $TICK_WATCHER->is_active;
3031	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3032		3738
3033	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3034	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;	3741	$signal->wait;
3036	}	3742	}
3037		3743
3038	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3041		3746
3042	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	3749	$signal->wait;
3045	}	3750	}
3046		3751
3047	my $min = 1e6;#d#	3752	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
3059	return;	3756	return;
3060	}	3757	}
3061		3758
3062	$NOW = $tick_start = Event::time;
3063
3064	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
3065		3760
3066	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3067	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3068	my $t = Event::time;	3763	Coro::async_pool {
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
3070	or die;	3765	write_runtime_sync
3071		3766	or warn "ERROR: unable to write runtime file: $!";
3072	$map->width (50);
3073	$map->height (50);
3074	$map->alloc;
3075	$map->_load_objects ("/tmp/x.map", 1);
3076	my $t = Event::time - $t;
3077
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	3767	};
		3768	}
3088		3769
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	3771	$sig->send;
3105	}	3772	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
3107	$sig->send;	3774	$sig->send;
3108	}	3775	}
3109		3776
3110	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		3779
3121	_post_tick;	3780	if (0) {
3122		3781	if ($NEXT_TICK) {
3123		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
3124	},	3786	}
3125	);	3787	}
3126		3788
3127	{	3789	{
3128	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	3791
3130	reentrant => 0,
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
3138		3793	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		3795
3154	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
3155	$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);
3156		3803
3157	cf::sync_job {	3804	cf::sync_job {
3158	eval {	3805	eval {
3159	BDB::db_env_open	3806	BDB::db_env_open
3160	$DB_ENV,	3807	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	3811	0666;
3165		3812
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	3814	};
3171		3815
3172	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	3817	};
3174	}	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	};
3175	}	3829	}
3176		3830
3177	{	3831	{
		3832	# configure IO::AIO
		3833
3178	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
3183	reentrant => 0,
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	3837	}
3191		3838
3192	my $_log_backtrace;	3839	my $_log_backtrace;
3193		3840
3194	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
3197	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
3198		3845
3199	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
3201	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
3202	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
3203	my @bt = fork_call {	3853	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	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 |"
3207	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
3215	}	3865	}
3216		3866
3217	@funcs	3867	@funcs
3218	};	3868	};
3219		3869
3220	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3221	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3222	--$_log_backtrace;	3873	--$_log_backtrace;
3223	};	3874	};
3224	} else {	3875	} else {
3225	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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