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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		69
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		71
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		73
50	our %COMMAND = ();	74	our %COMMAND = ();
…		…
57	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
58		82
59	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
60	our @EVENT;	84	our @EVENT;
61		85
62	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	87	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
73		101
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	104	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	110	our $DB_ENV;
84		111
85	our %CFG;	112	our %CFG;
86		113
87	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
89		117
90	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
93		121
94	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		124
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
100		129
101	binmode STDOUT;	130	binmode STDOUT;
102	binmode STDERR;	131	binmode STDERR;
103		132
104	# read virtual server time, if available	133	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
109	}	138	}
110		139
111	mkdir $_	140	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		186
158	The raw value load value from the last tick.	187	The raw value load value from the last tick.
159		188
160	=item %cf::CFG	189	=item %cf::CFG
161		190
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	192	from wherever your confdir points to.
164		193
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		195
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	197	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
171	=back	206	=back
172		207
173	=cut	208	=cut
174		209
175	BEGIN {	210	BEGIN {
…		…
179	$msg .= "\n"	214	$msg .= "\n"
180	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
181		216
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		218
184	utf8::encode $msg;
185	LOG llevError, $msg;	219	LOG llevError, $msg;
186	};	220	};
187	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
188		237
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	248	for my $pkg (qw(
200	cf::global cf::attachable	249	cf::global cf::attachable
201	cf::object cf::object::player	250	cf::object cf::object::player
202	cf::client cf::player	251	cf::client cf::player
203	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
204	cf::map cf::party cf::region	254	cf::party cf::region
205	)) {	255	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	257	}
209		258
210	$Event::DIED = sub {	259	$EV::DIED = sub {
211	warn "error in event callback: @_";	260	warn "error in event callback: @_";
212	};	261	};
213		262
214	#############################################################################	263	#############################################################################
215		264
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	288	$d
240	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
241	}	290	}
242		291
243	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
244		293
245	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
246		295
247	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
248		297
249	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
250		299
251	=cut	300	=cut
252		301
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		303
255	sub to_json ($) { $json_coder->encode ($_[0]) }	304	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	305	sub decode_json($) { $json_coder->decode ($_[0]) }
257		306
258	=item cf::lock_wait $string	307	=item cf::lock_wait $string
259		308
260	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
261		310
…		…
264	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
267	returned.	316	returned.
268		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
269	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
271		323
272	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
273		325
274	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
275		327
276	=cut	328	=cut
277		329
278	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
279		332
280	sub lock_wait($) {	333	sub lock_wait($) {
281	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
282		340
283	# wait for lock, if any	341	# wait for lock, if any
284	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	344	Coro::schedule;
…		…
292		350
293	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
294	lock_wait $key;	352	lock_wait $key;
295		353
296	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
297		356
298	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
301	}	361	}
302	}	362	}
303		363
…		…
306		366
307	! ! $LOCK{$key}	367	! ! $LOCK{$key}
308	}	368	}
309		369
310	sub freeze_mainloop {	370	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
312		372
313	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
315	};	434	}
316	$TICK_WATCHER->stop;	435	};
317	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
318	}	449	}
319		450
320	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
321		452
322	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		458
328	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
329		460
330	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
331		462
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	463	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	464	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	466	acceptable.
336		467
337	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		474
344	sub sync_job(&) {	475	sub sync_job(&) {
345	my ($job) = @_;	476	my ($job) = @_;
346		477
347	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	479	my $time = EV::time;
349		480
350	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
352		483
353	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	485
355	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
356		487
357	my $busy = 1;	488	my $busy = 1;
358	my @res;	489	my @res;
359		490
360	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	493	@res = eval { $job->() };
362	warn $@ if $@;	494	warn $@ if $@;
363	undef $busy;	495	undef $busy;
364	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
365		497
366	while ($busy) {	498	while ($busy) {
367	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
368	}	503	}
		504	}
369		505
370	$time = Event::time - $time;	506	my $time = EV::time - $time;
371		507
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	508	$TICK_START += $time; # do not account sync jobs to server load
376		509
377	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
378	} else {	511	} else {
379	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
380		513
…		…
405	=item fork_call { }, $args	538	=item fork_call { }, $args
406		539
407	Executes the given code block with the given arguments in a seperate	540	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	541	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	542	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	543	never block itself or use any form of event handling.
411		544
412	=cut	545	=cut
413		546
414	sub fork_call(&@) {	547	sub fork_call(&@) {
415	my ($cb, @args) = @_;	548	my ($cb, @args) = @_;
416		549
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	550	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	551	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	552	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		553
422	if (my $pid = fork) {	554	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	555	reset_signals;
436	local $SIG{__WARN__};	556	&$cb
437	local $SIG{__DIE__};	557	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		558
443	my @res = eval { $cb->(@args) };	559	wantarray ? @res : $res[-1]
		560	}
444		561
445	open my $fh, ">", \my $buf	562	=item $coin = coin_from_name $name
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449		563
450	warn "writing ", length $buf;	564	=cut
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456		565
457	warn $@ if $@;	566	our %coin_alias = (
458	_exit 0;	567	"silver" => "silvercoin",
459	}	568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
460	}	587	}
461		588
462	=item $value = cf::db_get $family => $key	589	=item $value = cf::db_get $family => $key
463		590
464	Returns a single value from the environment database.	591	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	593	=item cf::db_put $family => $key => $value
467		594
468	Stores the given C<$value> in the family. It can currently store binary	595	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
471	=cut	603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
472		621
473	our $DB;	622	our $DB;
474		623
475	sub db_init {	624	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	625	cf::sync_job {
480	eval {	626	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	627	};
490	}	628	}
491		629
492	sub db_get($$) {	630	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	631	my $key = "$_[0]/$_[1]";
494		632
…		…
544	if (1) {	682	if (1) {
545	$md5 =	683	$md5 =
546	join "\x00",	684	join "\x00",
547	$processversion,	685	$processversion,
548	map {	686	map {
549	Coro::cede;	687	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	688	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	689	} 0.. $#$src;
552		690
553		691
554	my $dbmd5 = db_get cache => "$id/md5";	692	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		730
593	#############################################################################	731	#############################################################################
594		732
595	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
596		734
597	Many objects in crossfire are so-called attachable objects. That means you can	735	Many objects in deliantra are so-called attachable objects. That means you can
598	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
600		738
601	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	741	Deliantra).
604		742
605	=over 4	743	=over 4
606		744
607	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
608		746
…		…
652	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
653		791
654	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
655	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
656		794
657	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	796	that are attached at load/instantiate time, thus the need for a name.
659		797
660	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
661		799
662	=over 4	800	=over 4
…		…
860	";	998	";
861	die if $@;	999	die if $@;
862	}	1000	}
863		1001
864	our $override;	1002	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1004
867	sub override {	1005	sub override {
868	$override = 1;	1006	$override = 1;
869	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
870	}	1008	}
871		1009
872	sub do_invoke {	1010	sub do_invoke {
873	my $event = shift;	1011	my $event = shift;
874	my $callbacks = shift;	1012	my $callbacks = shift;
875		1013
876	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
877		1015
878	local $override;	1016	local $override;
879		1017
880	for (@$callbacks) {	1018	for (@$callbacks) {
881	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
890	}	1028	}
891		1029
892	0	1030	0
893	}	1031	}
894		1032
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1034
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1036
899	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
900		1038
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1042
905	=back	1043	=back
906		1044
907	=cut	1045	=cut
908		1046
909	#############################################################################	1047	#############################################################################
910	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
911		1091
912	sub reattach {	1092	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1094	my ($obj) = @_;
915		1095
		1096	# no longer needed after getting rid of delete_package?
916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
917		1098
918	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
919		1100
920	@$registry = ();	1101	@$registry = ();
921		1102
…		…
936	cf::attachable->attach (	1117	cf::attachable->attach (
937	prio => -1000000,	1118	prio => -1000000,
938	on_instantiate => sub {	1119	on_instantiate => sub {
939	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
940		1121
941	$data = from_json $data;	1122	$data = decode_json $data;
942		1123
943	for (@$data) {	1124	for (@$data) {
944	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
945		1126
946	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1143	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
964		1145
965	sync_job {	1146	sync_job {
966	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
969		1151
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
974	close $fh;	1156	aio_close $fh;
975		1157
976	if (@$objs) {	1158	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
982	close $fh;	1164	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
984	}	1166	}
985	} else {	1167	} else {
986	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
987	}	1169	}
…		…
992	}	1174	}
993	} else {	1175	} else {
994	aio_unlink $filename;	1176	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
996	}	1178	}
997	}	1179	};
998	}	1180	}
999		1181
1000	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1002		1184
…		…
1014	or return;	1196	or return;
1015		1197
1016	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1200	or return;
		1201
1019	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1020	}	1204	}
1021		1205
		1206	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1024	return ($data, $av);	1210	($data, $av)
1025	}	1211	}
1026		1212
1027	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1028		1214
1029	=over 4	1215	=over 4
…		…
1102	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
1103		1289
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1291
1106	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
1112	} else {	1307	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1309	}
1115		1310
1116	cf::override;	1311	cf::override;
…		…
1143		1338
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1341
1147	$ext{source} =	1342	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1344	. "#line 1 \"$path\"\n{\n"
1150	. $source	1345	. $source
1151	. "\n};\n1";	1346	. "\n};\n1";
1152		1347
1153	$todo{$base} = \%ext;	1348	$todo{$base} = \%ext;
…		…
1169	my $msg = $@ ? "$v->{path}: $@\n"	1364	my $msg = $@ ? "$v->{path}: $@\n"
1170	: "$v->{base}: extension inactive.\n";	1365	: "$v->{base}: extension inactive.\n";
1171		1366
1172	if (exists $v->{meta}{mandatory}) {	1367	if (exists $v->{meta}{mandatory}) {
1173	warn $msg;	1368	warn $msg;
1174	warn "mandatory extension failed to load, exiting.\n";	1369	cf::cleanup "mandatory extension failed to load, exiting.";
1175	exit 1;
1176	}	1370	}
1177		1371
1178	warn $msg;	1372	warn $msg;
1179	}	1373	}
1180		1374
…		…
1194		1388
1195	=back	1389	=back
1196		1390
1197	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
1198		1392
1199	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
1200		1394
1201	=cut	1395	=cut
1202		1396
1203	package cf::player;	1397	package cf::player;
1204		1398
1205	use Coro::AIO;	1399	use Coro::AIO;
1206		1400
1207	=head3 cf::player	1401	=head3 cf::player
1208		1402
1209	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
1210		1418
1211	=item cf::player::find $login	1419	=item cf::player::find $login
1212		1420
1213	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1214		1422
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1462
1255	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1258	}	1472	}
1259	}	1473	}
1260	}	1474	}
1261		1475
…		…
1270	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1271		1485
1272	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1274		1488
		1489	cf::get_slot 0.01;
		1490
1275	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1276	Coro::cede;	1492	cf::cede_to_tick;
1277	}	1493	}
1278		1494
1279	sub new($) {	1495	sub new($) {
1280	my ($login) = @_;	1496	my ($login) = @_;
1281		1497
…		…
1287	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1288		1504
1289	$self	1505	$self
1290	}	1506	}
1291		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1292	=item $pl->quit_character	1518	=item $pl->quit_character
1293		1519
1294	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1296		1522
…		…
1300	my ($pl) = @_;	1526	my ($pl) = @_;
1301		1527
1302	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1303		1529
1304	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1532
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1311		1539
1312	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1577	or return [];
1350		1578
1351	my @logins;	1579	my @logins;
1352		1580
1353	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1357		1591
1358	utf8::decode $login;	1592	utf8::decode $login;
1359	push @logins, $login;	1593	push @logins, $login;
1360	}	1594	}
1361		1595
…		…
1388	}	1622	}
1389		1623
1390	\@paths	1624	\@paths
1391	}	1625	}
1392		1626
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1628
1395	Expand crossfire pod fragments into protocol xml.	1629	Expand deliantra pod fragments into protocol xml.
1396		1630
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1444		1632
1445	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1446		1634
1447	=cut	1635	=cut
1448		1636
1449	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1451		1639
1452	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1641	}
1455		1642
1456	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1457		1644
1458	Sends an ext event to the client.	1645	Sends an ext event to the client.
1459		1646
1460	=cut	1647	=cut
1461		1648
1462	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1464		1651
1465	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1466	}	1653	}
1467		1654
1468	=head3 cf::region	1655	=head3 cf::region
1469		1656
1470	=over 4	1657	=over 4
…		…
1483	my ($path) = @_;	1670	my ($path) = @_;
1484		1671
1485	my ($match, $specificity);	1672	my ($match, $specificity);
1486		1673
1487	for my $region (list) {	1674	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1491	}	1678	}
1492	}	1679	}
1493		1680
…		…
1514	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1516		1703
1517	sub generate_random_map {	1704	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1519	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1710	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1613	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1614	return $self;	1804	return $self;
1615	}	1805	}
1616	}	1806	}
1617		1807
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1809	()
1620	}	1810	}
1621		1811
1622	sub init {	1812	sub init {
1623	my ($self) = @_;	1813	my ($self) = @_;
…		…
1645		1835
1646	# the temporary/swap location	1836	# the temporary/swap location
1647	sub save_path {	1837	sub save_path {
1648	my ($self) = @_;	1838	my ($self) = @_;
1649		1839
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1652	}	1842	}
1653		1843
1654	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1655	sub uniq_path {	1845	sub uniq_path {
1656	my ($self) = @_;	1846	my ($self) = @_;
1657		1847
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1660	}	1850	}
1661		1851
1662	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1663	# all maps in C++...	1853	# all maps in C++...
…		…
1686		1876
1687	sub load_header_from($) {	1877	sub load_header_from($) {
1688	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1689		1879
1690	utf8::encode $path;	1880	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1696		1889
1697	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1698		1891
1699	1	1892	1
1700	}	1893	}
…		…
1754	sub find {	1947	sub find {
1755	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1756		1949
1757	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1758		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1760		1954
1761	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1762	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1763	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1764	or return;	1960	or return;
1765		1961
1766	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1767		1963
…		…
1769	or return;	1965	or return;
1770		1966
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1774	$map->reset;	1972	$map->reset;
1775	undef $guard;
1776	return find $path;	1973	return find $path;
1777	}	1974	}
1778		1975
1779	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1780	}	1977	}
…		…
1789	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1790		1987
1791	my $path = $self->{path};	1988	my $path = $self->{path};
1792		1989
1793	{	1990	{
1794	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1795		1992
		1993	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		1995
1798	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1799		1997
1800	$self->alloc;	1998	$self->alloc;
1801		1999
1802	$self->pre_load;	2000	$self->pre_load;
1803	Coro::cede;	2001	cf::cede_to_tick;
1804		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1806	or return;	2006	or return;
1807		2007
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1809	if delete $self->{load_original};	2009	if delete $self->{load_original};
1810		2010
1811	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2012	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2015	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1816	}	2019	}
1817	}	2020	}
1818		2021
1819	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1820	# now do the right thing for maps	2025	# now do the right thing for maps
1821	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2028	unless $self->difficulty;
1824	Coro::cede;	2029	cf::cede_to_tick;
1825		2030
1826	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2032	$self->decay_objects;
1828	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1829	$self->update_buttons;	2034	$self->update_buttons;
1830	Coro::cede;	2035	cf::cede_to_tick;
1831	$self->set_darkness_map;	2036	$self->set_darkness_map;
1832	Coro::cede;	2037	cf::cede_to_tick;
1833	$self->activate;	2038	$self->activate;
1834	}	2039	}
1835		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2045	}
1838		2046
1839	$self->post_load;	2047	$self->post_load;
1840	}	2048	}
1841		2049
…		…
1850		2058
1851	$self	2059	$self
1852	}	2060	}
1853		2061
1854	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2063	sub load_neighbours {
1856	my ($map) = @_;	2064	my ($map) = @_;
1857		2065
1858	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1859		2067
1860	for (0 .. 3) {	2068	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1862	or next;	2070	or next;
1863	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1864	or next;	2072	or next;
1865	$neigh->load;	2073	$neigh->load;
1866		2074
		2075	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2078	}
1870		2079
1871	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1873	or next;	2083	or next;
1874	$neigh->load;	2084	$neigh->load;
1875	}	2085	}
1876	}	2086	}
1877		2087
…		…
1882	}	2092	}
1883		2093
1884	sub do_load_sync {	2094	sub do_load_sync {
1885	my ($map) = @_;	2095	my ($map) = @_;
1886		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1887	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1888	}	2101	}
1889		2102
1890	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1892		2105
1893	sub find_async {	2106	sub find_async {
1894	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1895		2108
1896	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1897		2110
1898	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2113	}
1901		2114
1902	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1903	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1904	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2122	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2123	$map->load if $v;
		2124	}
1909		2125
1910	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1911	}	2127	}
1912	}	2128	}
1913	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1914	};	2130	};
1915	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2134	}
1919		2135
1920	sub save {	2136	sub save {
1921	my ($self) = @_;	2137	my ($self) = @_;
1922		2138
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2140
1925	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1926		2142
1927	return unless $self->dirty;	2143	return unless $self->dirty;
1928		2144
…		…
1934	return if $self->{deny_save};	2150	return if $self->{deny_save};
1935		2151
1936	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1937		2153
1938	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1940	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1941		2160
1942	if ($uniq) {	2161	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2164	} else {
…		…
1951	my ($self) = @_;	2170	my ($self) = @_;
1952		2171
1953	# save first because save cedes	2172	# save first because save cedes
1954	$self->save;	2173	$self->save;
1955		2174
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2176
1958	return if $self->players;	2177	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1960	return if $self->{deny_save};	2179	return if $self->{deny_save};
1961		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2185	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2186	}
1965		2187
1966	sub reset_at {	2188	sub reset_at {
1967	my ($self) = @_;	2189	my ($self) = @_;
1968		2190
…		…
2000	if $uniq;	2222	if $uniq;
2001	}	2223	}
2002		2224
2003	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
2004		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2229	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2230
2009	$self->unlink_save;	2231	$self->unlink_save;
2010	$self->destroy;	2232	$self->destroy;
2011	}	2233	}
2012		2234
2013	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
2014		2236
2015	sub nuke {	2237	sub nuke {
2016	my ($self) = @_;	2238	my ($self) = @_;
2017		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
2018	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
2019		2244
2020	$self->unlink_save;	2245	$self->unlink_save;
2021		2246
2022	bless $self, "cf::map";	2247	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2252
2028	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
2029		2255
2030	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
2031	}	2257	}
2032		2258
2033	=item $maps = cf::map::tmp_maps	2259	=item $maps = cf::map::tmp_maps
…		…
2075		2301
2076	sub unique_maps() {	2302	sub unique_maps() {
2077	[	2303	[
2078	map {	2304	map {
2079	utf8::decode $_;	2305	utf8::decode $_;
2080	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2081	? normalise $_	2309	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2311	]
2085	}	2312	}
2086		2313
2087	package cf;
2088
2089	=back	2314	=back
2090		2315
2091	=head3 cf::object	2316	=head3 cf::object
2092		2317
2093	=cut	2318	=cut
…		…
2096		2321
2097	=over 4	2322	=over 4
2098		2323
2099	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2100		2325
2101	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
2102		2328
2103	=cut	2329	=cut
2104		2330
2105	sub inv_recursive_;	2331	sub inv_recursive_;
2106	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2109		2335
2110	sub inv_recursive {	2336	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2112	}	2338	}
2113		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
2114	package cf;	2368	package cf;
2115		2369
2116	=back	2370	=back
2117		2371
2118	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2127		2381
2128	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
2129		2397
2130	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2399	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
2140		2408
2141	} else {	2409	} else {
2142	my $pl = $self->contr;	2410	my $pl = $self->contr;
2143		2411
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2415
2153	} else {	2416	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2419	}
2157	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
2158	}	2431	}
2159		2432
2160	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
2161		2434
2162	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
2175		2448
2176	=item $player_object->enter_link	2449	=item $player_object->enter_link
2177		2450
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2452
2180	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
2182		2457
2183	Will never block.	2458	Will never block.
2184		2459
2185	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
2186		2461
…		…
2241	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
2244		2519
2245	$map->load;	2520	$map->load;
2246	$map->load_diag;	2521	$map->load_neighbours;
2247		2522
2248	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2249	$self->activate_recursive;	2525	$self->activate_recursive;
2250		2526
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2253	}	2529	}
2254		2530
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2532
2257	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2536	the new (success) or old (failed) map position. In either case, $done will
		2537	be called at the end of this process.
		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
2261		2541
2262	=cut	2542	=cut
2263		2543
2264	our $GOTOGEN;	2544	our $GOTOGEN;
2265		2545
2266	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2548
2269	# do generation counting so two concurrent goto's will be executed in-order	2549	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2551
2272	$self->enter_link;	2552	$self->enter_link;
2273		2553
2274	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
2275	my $map = eval {	2576	my $map = eval {
2276	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
2277		2578
2278	if ($map) {	2579	if ($map) {
2279	$map = $map->customise_for ($self);	2580	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2581	$map = $check->($map) if $check && $map;
2281	} else {	2582	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2584	}
2284		2585
2285	$map	2586	$map
2286	};	2587	};
2287		2588
…		…
2292		2593
2293	if ($gen == $self->{_goto_generation}) {	2594	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2595	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
2296	}	2597	}
		2598
		2599	$done->() if $done;
2297	})->prio (1);	2600	})->prio (1);
2298	}	2601	}
2299		2602
2300	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
2301		2604
…		…
2321	}	2624	}
2322		2625
2323	sub prepare_random_map {	2626	sub prepare_random_map {
2324	my ($exit) = @_;	2627	my ($exit) = @_;
2325		2628
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2631	# that depends on the exit object
2331		2632
2332	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2635	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2339	}	2642	}
2340		2643
2341	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2342		2645
2343	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2346		2649
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2652	undef $fh;
2350	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2351		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2354	}	2661	}
2355	}	2662	}
2356		2663
2357	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2359		2666
2360	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2361		2668
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2669	$self->enter_link;
2374		2670
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2671	(async {
2380	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2381	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2382	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2383		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2384	1;	2695	1
2385	}) {	2696	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2701
2391	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2410		2721
2411	utf8::encode $text;	2722	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2724	}
2414		2725
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2727
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2728	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2729	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2730	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2731	the message unless the client supports the msg packet.
2421		2732
2422	=cut	2733	=cut
2423		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
2424	sub cf::client::send_msg {	2793	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2794	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2795
2427	$msg = $self->pl->expand_cfpod ($msg);	2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
		2798
		2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2800
		2801	# check predefined channels, for the benefit of C
		2802	if ($CHANNEL{$channel}) {
		2803	$channel = $CHANNEL{$channel};
		2804
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807
		2808	$channel = $channel->{id};
		2809
		2810	} elsif (ref $channel) {
		2811	# send meta info to client, if not yet sent
		2812	unless (exists $self->{channel}{$channel->{id}}) {
		2813	$self->{channel}{$channel->{id}} = $channel;
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816	}
		2817
		2818	$channel = $channel->{id};
		2819	}
2428		2820
2429	return unless @extra || length $msg;	2821	return unless @extra || length $msg;
2430		2822
2431	if ($self->can_msg) {	2823	if ($self->can_msg) {
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2824	# default colour, mask it out
		2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2826	if $color & cf::NDI_DEF;
		2827
		2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
		2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
2433	} else {	2844	} else {
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443
2444	if ($color >= 0) {	2845	if ($color >= 0) {
		2846	# replace some tags by gcfclient-compatible ones
		2847	for ($msg) {
		2848	1 while
		2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2854	}
		2855
		2856	$color &= cf::NDI_COLOR_MASK;
		2857
		2858	utf8::encode $msg;
		2859
2445	if (0 && $msg =~ /\[/) {	2860	if (0 && $msg =~ /\[/) {
		2861	# COMMAND/INFO
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
2447	} else {	2863	} else {
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")	2865	$self->send_packet ("drawinfo $color $msg")
2450	}	2866	}
2451	}	2867	}
2452	}	2868	}
2453	}	2869	}
2454		2870
2455	=item $client->ext_event ($type, %msg)	2871	=item $client->ext_msg ($type, @msg)
2456		2872
2457	Sends an ext event to the client.	2873	Sends an ext event to the client.
2458		2874
2459	=cut	2875	=cut
2460		2876
2461	sub cf::client::ext_event($$%) {	2877	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	2878	my ($self, $type, @msg) = @_;
2463		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2882	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	2883	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2885	}
		2886	}
		2887
		2888	=item $client->ext_reply ($msgid, @msg)
		2889
		2890	Sends an ext reply to the client.
		2891
		2892	=cut
		2893
		2894	sub cf::client::ext_reply($$@) {
		2895	my ($self, $id, @msg) = @_;
		2896
		2897	if ($self->extcmd == 2) {
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2899	} elsif ($self->extcmd == 1) {
		2900	#TODO: version 1, remove
		2901	unshift @msg, msgtype => "reply", msgid => $id;
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
2466	}	2904	}
2467		2905
2468	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
2469		2907
2470	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	2963	my ($ns, $buf) = @_;
2526		2964
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		2966
2529	if (ref $msg) {	2967	if (ref $msg) {
		2968	my ($type, $reply, @payload) =
		2969	"ARRAY" eq ref $msg
		2970	? @$msg
		2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2972
		2973	my @reply;
		2974
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2975	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	2976	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	2977	}
		2978
		2979	$ns->ext_reply ($reply, @reply)
		2980	if $reply;
		2981
2536	} else {	2982	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	2984	}
2539		2985
2540	cf::override;	2986	cf::override;
…		…
2587	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2589		3035
2590	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2591		3037
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2593		3043
2594	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2595		3045
2596	=pod	3046	=pod
2597		3047
2598	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2599		3049
2600	cf::object	3050	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3051	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3052	insert remove name archname title slaying race decrease split
2603		3053
2604	cf::object::player	3054	cf::object::player
2605	player	3055	player
2606		3056
2607	cf::player	3057	cf::player
…		…
2612		3062
2613	=cut	3063	=cut
2614		3064
2615	for (	3065	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2618	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2620	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2621	) {	3072	) {
2622	no strict 'refs';	3073	no strict 'refs';
…		…
2698	# the server's init and main functions	3149	# the server's init and main functions
2699		3150
2700	sub load_facedata($) {	3151	sub load_facedata($) {
2701	my ($path) = @_;	3152	my ($path) = @_;
2702		3153
		3154	# HACK to clear player env face cache, we need some signal framework
		3155	# for this (global event?)
		3156	%ext::player_env::MUSIC_FACE_CACHE = ();
		3157
		3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3159
2703	warn "loading facedata from $path\n";	3160	warn "loading facedata from $path\n";
2704		3161
2705	my $facedata;	3162	my $facedata;
2706	0 < aio_load $path, $facedata	3163	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3164	or die "$path: $!";
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3166	$facedata = Coro::Storable::thaw $facedata;
2710		3167
2711	$facedata->{version} == 2	3168	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3170
		3171	# patch in the exptable
		3172	$facedata->{resource}{"res/exp_table"} = {
		3173	type => FT_RSRC,
		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3175	};
		3176	cf::cede_to_tick;
		3177
2714	{	3178	{
2715	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
2716		3180
2717	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3184	cf::face::set_visibility $idx, $info->{visibility};
		3185	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2722	Coro::cede;	3188
		3189	cf::cede_to_tick;
2723	}	3190	}
2724		3191
2725	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
2727	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
2728	or next;	3196	or next;
		3197
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
		3199	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3201	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3203	}
2734	Coro::cede;	3204
		3205	cf::cede_to_tick;
2735	}	3206	}
2736	}	3207	}
2737		3208
2738	{	3209	{
2739	my $anims = $facedata->{animinfo};	3210	my $anims = $facedata->{animinfo};
2740		3211
2741	while (my ($anim, $info) = each %$anims) {	3212	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3214	cf::cede_to_tick;
2744	}	3215	}
2745		3216
2746	cf::anim::invalidate_all; # d'oh	3217	cf::anim::invalidate_all; # d'oh
2747	}	3218	}
2748		3219
		3220	{
		3221	# TODO: for gcfclient pleasure, we should give resources
		3222	# that gcfclient doesn't grok a >10000 face index.
		3223	my $res = $facedata->{resource};
		3224
		3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
		3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3228	my $data;
		3229
		3230	if ($info->{type} & 1) {
		3231	# prepend meta info
		3232
		3233	my $meta = $enc->encode ({
		3234	name => $name,
		3235	%{ $info->{meta} || {} },
		3236	});
		3237
		3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
		3245	} else {
		3246	$RESOURCE{$name} = $info;
		3247	}
		3248
		3249	cf::cede_to_tick;
		3250	}
		3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3254
2749	1	3255	1
2750	}	3256	}
2751		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
		3277
		3278	register_exticmd fx_want => sub {
		3279	my ($ns, $want) = @_;
		3280
		3281	while (my ($k, $v) = each %$want) {
		3282	$ns->fx_want ($k, $v);
		3283	}
		3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
		3295
2752	sub reload_regions {	3296	sub reload_regions {
		3297	# HACK to clear player env face cache, we need some signal framework
		3298	# for this (global event?)
		3299	%ext::player_env::MUSIC_FACE_CACHE = ();
		3300
2753	load_resource_file "$MAPDIR/regions"	3301	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3302	or die "unable to load regions file\n";
		3303
		3304	for (cf::region::list) {
		3305	$_->{match} = qr/$_->{match}/
		3306	if exists $_->{match};
		3307	}
2755	}	3308	}
2756		3309
2757	sub reload_facedata {	3310	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3311	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3312	or die "unable to load facedata\n";
2760	}	3313	}
2761		3314
2762	sub reload_archetypes {	3315	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3316	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3317	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3318	}
2771		3319
2772	sub reload_treasures {	3320	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3321	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3322	or die "unable to load treasurelists\n";
2775	}	3323	}
2776		3324
2777	sub reload_resources {	3325	sub reload_resources {
2778	warn "reloading resource files...\n";	3326	warn "reloading resource files...\n";
2779		3327
		3328	reload_facedata;
		3329	reload_archetypes;
2780	reload_regions;	3330	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3331	reload_treasures;
2785		3332
2786	warn "finished reloading resource files\n";	3333	warn "finished reloading resource files\n";
2787	}	3334	}
2788		3335
2789	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
2790	reload_resources;	3341	reload_resources;
2791	}	3342	}
2792		3343
2793	sub cfg_load {	3344	sub reload_config {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3346	or return;
2796		3347
2797	local $/;	3348	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2799		3350
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3352
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2809	};	3360	};
2810	warn $@ if $@;	3361	warn $@ if $@;
2811	}	3362	}
2812	}	3363	}
2813		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
2814	sub main {	3384	sub main {
		3385	atomic;
		3386
2815	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3390	(async {
2819	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2821	};	3394	};
2822		3395
2823	cfg_load;	3396	{
		3397	my $guard = freeze_mainloop;
		3398	reload_config;
2824	db_init;	3399	db_init;
2825	load_extensions;	3400	load_extensions;
2826		3401
2827	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
2828	Event::loop;	3410	EV::loop;
2829	}	3411	}
2830		3412
2831	#############################################################################	3413	#############################################################################
2832	# initialisation and cleanup	3414	# initialisation and cleanup
2833		3415
2834	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2835	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2844	},
2845	);	3422	};
2846	}	3423	}
2847	}	3424	}
2848		3425
2849	sub write_runtime {	3426	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";
2851
2852	# first touch the runtime file to show we are still running:	3427	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3428	# the fsync below can take a very very long time.
2854		3429
2855	IO::AIO::aio_utime $runtime, undef, undef;	3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3431
2857	my $guard = cf::lock_acquire "write_runtime";	3432	my $guard = cf::lock_acquire "write_runtime";
2858		3433
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2860	or return;	3435	or return;
2861		3436
2862	my $value = $cf::RUNTIME + 90 + 10;	3437	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3438	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3439	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3449	aio_utime $fh, undef, undef;
2875		3450
2876	close $fh	3451	close $fh
2877	or return;	3452	or return;
2878		3453
2879	aio_rename "$runtime~", $runtime	3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3455	and return;
2881		3456
2882	warn "runtime file written.\n";	3457	warn "runtime file written.\n";
2883		3458
2884	1	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
2885	}	3503	}
2886		3504
2887	sub emergency_save() {	3505	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2889		3507
…		…
2895	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2897	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3519	$pl->save;
2901	}	3520	}
2902	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2903		3522
2904	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2910	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
2911		3530
2912	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2915	};	3538	};
2916		3539
2917	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2918	}	3541	}
2919		3542
2920	sub post_cleanup {	3543	sub post_cleanup {
2921	my ($make_core) = @_;	3544	my ($make_core) = @_;
2922		3545
2923	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
2925	}	3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
2926		3580
2927	sub do_reload_perl() {	3581	sub do_reload_perl() {
2928	# can/must only be called in main	3582	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2930	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2931	return;	3585	return;
2932	}	3586	}
2933		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2934	warn "reloading...";	3591	warn "reloading...";
2935		3592
2936	warn "entering sync_job";	3593	warn "entering sync_job";
2937		3594
2938	cf::sync_job {	3595	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3597	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2942		3599
2943	warn "syncing database to disk";	3600	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3602
2946	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2947		3604
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();
2967
2968	warn "removing commands";
2969	%COMMAND = ();
2970
2971	warn "removing ext/exti commands";
2972	%EXTCMD = ();
2973	%EXTICMD = ();
2974
2975	warn "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";
2978
2979	if (my $cb = $pkg->can ("unload")) {
2980	eval {
2981	$cb->($pkg);
2982	1
2983	} or warn "$pkg unloaded, but with errors: $@";
2984	}	3608	}
2985		3609
2986	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2988	}	3612	%EXT_CORO = ();
2989		3613
2990	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2991	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3623	warn "... unloading $pkg";
2995	delete $INC{$k};
2996		3624
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
3001	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
3002	}	3634	}
3003		3635
3004	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
3005	}	3651	}
3006		3652
3007	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3656
3011	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3659	delete $INC{"cf/pod.pm"};
3014		3660
3015	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3662	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
3018		3664
3019	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
3020		3666
3021	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
3022	require cf;	3668	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3024		3670
3025	warn "loading config and database again";	3671	warn "loading config and database again";
3026	cf::cfg_load;	3672	cf::reload_config;
3027		3673
3028	warn "loading extensions";	3674	warn "loading extensions";
3029	cf::load_extensions;	3675	cf::load_extensions;
3030		3676
3031	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
3037		3683
3038	warn "leaving sync_job";	3684	warn "leaving sync_job";
3039		3685
3040	1	3686	1
3041	} or do {	3687	} or do {
3042	warn $@;	3688	warn $@;
3043	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3690	};
3046		3691
3047	warn "reloaded";	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
3048	};	3695	};
3049		3696
3050	our $RELOAD_WATCHER; # used only during reload	3697	our $RELOAD_WATCHER; # used only during reload
3051		3698
3052	sub reload_perl() {	3699	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3700	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3701	# coro crashes during coro_state_free->destroy here.
3055		3702
3056	$RELOAD_WATCHER ||= Event->timer (	3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3057	reentrant => 0,
3058	after => 0,
3059	data => WF_AUTOCANCEL,
3060	cb => sub {
3061	do_reload_perl;	3704	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3705	undef $RELOAD_WATCHER;
3063	},
3064	);	3706	};
3065	}	3707	}
3066		3708
3067	register_command "reload" => sub {	3709	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
3069		3711
3070	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
		3714	async {
		3715	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3716	reload_perl;
		3717	};
3073	}	3718	}
3074	};	3719	};
3075		3720
3076	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
3077		3722
…		…
3079		3724
3080	our @WAIT_FOR_TICK;	3725	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3726	our @WAIT_FOR_TICK_BEGIN;
3082		3727
3083	sub wait_for_tick {	3728	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3729	return if tick_inhibit || $Coro::current == $Coro::main;
3086		3730
3087	my $signal = new Coro::Signal;	3731	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3732	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3733	$signal->wait;
3090	}	3734	}
3091		3735
3092	sub wait_for_tick_begin {	3736	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3095		3738
3096	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3740	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3741	$signal->wait;
3099	}	3742	}
3100		3743
3101	my $min = 1e6;#d#	3744	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
3113	return;	3748	return;
3114	}	3749	}
3115		3750
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
3119		3752
3120	0 && sync_job {#d#	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	3755	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3756	$Coro::current->{desc} = "runtime saver";
3124	or die;	3757	write_runtime_sync
3125		3758	or warn "ERROR: unable to write runtime file: $!";
3126	$map->width (50);
3127	$map->height (50);
3128	$map->alloc;
3129	$map->_load_objects ("/tmp/x.map", 1);
3130	my $t = Event::time - $t;
3131
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	3759	};
		3760	}
3142		3761
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3763	$sig->send;
3159	}	3764	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3765	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3766	$sig->send;
3162	}	3767	}
3163		3768
3164	$NOW = Event::time;	3769	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3771
3175	_post_tick;	3772	if (0) {
3176		3773	if ($NEXT_TICK) {
3177		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
3178	},	3778	}
3179	);	3779	}
3180		3780
3181	{	3781	{
3182	BDB::max_poll_time $TICK * 0.1;	3782	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3783
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
3192		3785	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3786	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		3787
3208	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
		3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		3795
3211	cf::sync_job {	3796	cf::sync_job {
3212	eval {	3797	eval {
3213	BDB::db_env_open	3798	BDB::db_env_open
3214	$DB_ENV,	3799	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3803	0666;
3219		3804
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3805	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	3806	};
3225		3807
3226	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3809	};
3228	}	3810	}
		3811
		3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3814	};
		3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3817	};
		3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3820	};
3229	}	3821	}
3230		3822
3231	{	3823	{
		3824	# configure IO::AIO
		3825
3232	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	3829	}
3245		3830
3246	my $_log_backtrace;	3831	my $_log_backtrace;
3247		3832
3248	sub _log_backtrace {	3833	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	3836	$msg =~ s/\n//;
3252		3837
3253	# limit the # of concurrent backtraces	3838	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	3839	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
3256	async {	3842	async {
		3843	$Coro::current->{desc} = "abt $msg";
		3844
3257	my @bt = fork_call {	3845	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	3846	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3847	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3848	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	3849	or die "addr2line: $!";
…		…
3269	}	3857	}
3270		3858
3271	@funcs	3859	@funcs
3272	};	3860	};
3273		3861
3274	LOG llevInfo, "[ABT] $msg\n";	3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	3864	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	3865	--$_log_backtrace;
3277	};	3866	};
3278	} else {	3867	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	3868	LOG llevInfo, "[ABT] $msg\n";

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