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Revision 1.424 by root, Sun Apr 20 05:24:55 2008 UTC vs.
Revision 1.494 by root, Mon Oct 26 05:18:00 2009 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
		25	use 5.10.0;
24	use utf8;	26	use utf8;
25	use strict;	27	use strict qw(vars subs);
26		28
27	use Symbol;	29	use Symbol;
28	use List::Util;	30	use List::Util;
29	use Socket;	31	use Socket;
30	use EV 3.2;	32	use EV;
31	use Opcode;	33	use Opcode;
32	use Safe;	34	use Safe;
33	use Safe::Hole;	35	use Safe::Hole;
34	use Storable ();	36	use Storable ();
		37	use Carp ();
35		38
		39	use Guard ();
36	use Coro 4.50 ();	40	use Coro ();
37	use Coro::State;	41	use Coro::State;
38	use Coro::Handle;	42	use Coro::Handle;
39	use Coro::EV;	43	use Coro::EV;
		44	use Coro::AnyEvent;
40	use Coro::Timer;	45	use Coro::Timer;
41	use Coro::Signal;	46	use Coro::Signal;
42	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
43	use Coro::AIO;	50	use Coro::AIO;
44	use Coro::BDB;	51	use Coro::BDB 1.6;
45	use Coro::Storable;	52	use Coro::Storable;
46	use Coro::Util ();	53	use Coro::Util ();
47		54
48	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
49	use BDB ();	56	use BDB ();
50	use Data::Dumper;	57	use Data::Dumper;
51	use Digest::MD5;	58	use Digest::MD5;
52	use Fcntl;	59	use Fcntl;
53	use YAML ();	60	use YAML::XS ();
54	use IO::AIO 2.51 ();	61	use IO::AIO ();
55	use Time::HiRes;	62	use Time::HiRes;
56	use Compress::LZF;	63	use Compress::LZF;
57	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
58		67
59	# configure various modules to our taste	68	# configure various modules to our taste
60	#	69	#
61	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		78
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		81
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		83
69	our %COMMAND = ();	84	our %COMMAND = ();
70	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	88	our %EXTCMD = ();
74	our %EXTICMD = ();	89	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	90	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	91	our %EXT_MAP = (); # pluggable maps
77		92
78	our $RELOAD; # number of reloads so far	93	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	94	our @EVENT;
		95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
80		97
81	our $CONFDIR = confdir;	98	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	99	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	103	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	107	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
92	our %RESOURCE;	112	our %RESOURCE;
93		113
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	114	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	116	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		118
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	119	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	120	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	121	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	122	our $DB_ENV;
105		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
		125
106	our %CFG;	126	our %CFG;
107		127
108	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	129	our $RUNTIME;
110	our $NOW;	130	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	140	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	141	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	142	our $TICK_START; # for load detecting purposes
123		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
		148
124	binmode STDOUT;	149	binmode STDOUT;
125	binmode STDERR;	150	binmode STDERR;
126		151
127	# read virtual server time, if available	152	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	154	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
132	}	157	}
		158
		159	eval "sub TICK() { $TICK } 1" or die;
133		160
134	mkdir $_	161	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		163
137	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
138		165
139	sub cf::map::normalise;	166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
140		178
141	#############################################################################	179	#############################################################################
142		180
143	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
144		182
…		…
191	returns directly I<after> the tick processing (and consequently, can only wake one process	229	returns directly I<after> the tick processing (and consequently, can only wake one process
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	230	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		231
194	=item @cf::INVOKE_RESULTS	232	=item @cf::INVOKE_RESULTS
195		233
196	This array contains the results of the last C<invoke ()> call. When	234	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	236	that call.
199		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
		243
200	=back	244	=back
201		245
202	=cut	246	=cut
203		247
204	BEGIN {	248	$Coro::State::WARNHOOK = sub {
205	*CORE::GLOBAL::warn = sub {
206	my $msg = join "", @_;	249	my $msg = join "", @_;
207		250
208	$msg .= "\n"	251	$msg .= "\n"
209	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
210		253
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		255
213	LOG llevError, $msg;	256	LOG llevError, $msg;
214	};	257	};
215	}
216		258
217	$Coro::State::DIEHOOK = sub {	259	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
219		263
220	if ($Coro::current == $Coro::main) {#d#	264	if ($Coro::current == $Coro::main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	266	return;#d#
223	}#d#	267	}#d#
224		268
225	# kill coroutine otherwise	269	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	270	Coro::terminate
228	};	271	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		272
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	283	for my $pkg (qw(
243	cf::global cf::attachable	284	cf::global cf::attachable
244	cf::object cf::object::player	285	cf::object cf::object::player
245	cf::client cf::player	286	cf::client cf::player
246	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
247	cf::map cf::party cf::region	289	cf::party cf::region
248	)) {	290	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	292	}
252		293
253	$EV::DIED = sub {	294	$EV::DIED = sub {
254	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
255	};	296	};
256		297
257	#############################################################################	298	#############################################################################
258		299
259	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		338
298	sub encode_json($) { $json_coder->encode ($_[0]) }	339	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	340	sub decode_json($) { $json_coder->decode ($_[0]) }
300		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
		354	}
		355
301	=item cf::lock_wait $string	356	=item cf::lock_wait $string
302		357
303	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
304		359
305	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
306		361
307	Wait until the given lock is available and then acquires it and returns	362	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	363	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	364	for example when the coroutine gets canceled), the lock is automatically
310	returned.	365	returned.
311		366
312	Locks are *not* recursive, locking from the same coro twice results in a	367	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	368	deadlocked coro.
…		…
319		374
320	Return true if the lock is currently active, i.e. somebody has locked it.	375	Return true if the lock is currently active, i.e. somebody has locked it.
321		376
322	=cut	377	=cut
323		378
324	our %LOCK;	379	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		380
327	sub lock_wait($) {	381	sub lock_wait($) {
328	my ($key) = @_;	382	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	383	}
341		384
342	sub lock_acquire($) {	385	sub lock_acquire($) {
343	my ($key) = @_;	386	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	387	}
357		388
358	sub lock_active($) {	389	sub lock_active($) {
359	my ($key) = @_;	390	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	391	}
363		392
364	sub freeze_mainloop {	393	sub freeze_mainloop {
365	tick_inhibit_inc;	394	tick_inhibit_inc;
366		395
367	Coro::guard \&tick_inhibit_dec;	396	&Guard::guard (\&tick_inhibit_dec);
368	}	397	}
369		398
370	=item cf::periodic $interval, $cb	399	=item cf::periodic $interval, $cb
371		400
372	Like EV::periodic, but randomly selects a starting point so that the actions	401	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
724		753
725	#############################################################################	754	#############################################################################
726		755
727	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
728		757
729	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
732		761
733	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
785		814
786	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
788		817
789	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
791		820
792	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
793		822
794	=over 4	823	=over 4
…		…
1085		1114
1086	sub reattach {	1115	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1117	my ($obj) = @_;
1089		1118
		1119	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1121
1092	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
1093		1123
1094	@$registry = ();	1124	@$registry = ();
1095		1125
…		…
1141	utf8::decode (my $decname = $filename);	1171	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1144		1174
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1178	if ($cf::USE_FSYNC) {
		1179	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1180	aio_fsync $fh;
		1181	}
1149	close $fh;	1182	aio_close $fh;
1150		1183
1151	if (@$objs) {	1184	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1189	if ($cf::USE_FSYNC) {
		1190	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1191	aio_fsync $fh;
		1192	}
1157	close $fh;	1193	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1195	}
1160	} else {	1196	} else {
1161	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1162	}	1198	}
1163		1199
1164	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1204	} else {
1166	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
1167	}	1206	}
1168	} else {	1207	} else {
1169	aio_unlink $filename;	1208	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
1171	}	1210	}
…		…
1262	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
1263		1302
1264	$EXTICMD{$name} = $cb;	1303	$EXTICMD{$name} = $cb;
1265	}	1304	}
1266		1305
		1306	use File::Glob ();
		1307
1267	cf::player->attach (	1308	cf::player->attach (
1268	on_command => sub {	1309	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
1270		1311
1271	my $cb = $COMMAND{$name}	1312	my $cb = $COMMAND{$name}
…		…
1303		1344
1304	cf::override;	1345	cf::override;
1305	},	1346	},
1306	);	1347	);
1307		1348
		1349	# "readahead" all extensions
		1350	sub cache_extensions {
		1351	my $grp = IO::AIO::aio_group;
		1352
		1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1354	for (grep /\.ext$/, @{$_[0]}) {
		1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1356	}
		1357	};
		1358
		1359	$grp
		1360	}
		1361
1308	sub load_extensions {	1362	sub load_extensions {
1309	cf::sync_job {	1363	cf::sync_job {
1310	my %todo;	1364	my %todo;
1311		1365
1312	for my $path (<$LIBDIR/*.ext>) {	1366	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1385
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1388
1335	$ext{source} =	1389	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1391	. "#line 1 \"$path\"\n{\n"
1338	. $source	1392	. $source
1339	. "\n};\n1";	1393	. "\n};\n1";
1340		1394
1341	$todo{$base} = \%ext;	1395	$todo{$base} = \%ext;
…		…
1381		1435
1382	=back	1436	=back
1383		1437
1384	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
1385		1439
1386	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
1387		1441
1388	=cut	1442	=cut
1389		1443
1390	package cf::player;	1444	package cf::player;
1391		1445
…		…
1434		1488
1435	sub exists($) {	1489	sub exists($) {
1436	my ($login) = @_;	1490	my ($login) = @_;
1437		1491
1438	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1493	or !aio_stat path $login
1440	}	1494	}
1441		1495
1442	sub find($) {	1496	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1498	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1510	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1511	or return;
1458		1512
1459	my $pl = cf::player::load_pl $f	1513	my $pl = cf::player::load_pl $f
1460	or return;	1514	or return;
		1515
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1516	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1517	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1464	}	1519	}
1465	}	1520	}
…		…
1518	my ($pl) = @_;	1573	my ($pl) = @_;
1519		1574
1520	my $name = $pl->ob->name;	1575	my $name = $pl->ob->name;
1521		1576
1522	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1579
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1526	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1528	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1529		1586
1530	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1570		1627
1571	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
1572	my $path = path $login;	1629	my $path = path $login;
1573		1630
1574	# a .pst is a dead give-away for a valid player	1631	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1637	}
1580		1638
…		…
1611	}	1669	}
1612		1670
1613	\@paths	1671	\@paths
1614	}	1672	}
1615		1673
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1675
1618	Expand crossfire pod fragments into protocol xml.	1676	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&amp;/g;
1643	$group =~ s/</&lt;/g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708		1677
1709	=item $player->ext_reply ($msgid, @msg)	1678	=item $player->ext_reply ($msgid, @msg)
1710		1679
1711	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1712		1681
…		…
1925		1894
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	1896	"$UNIQUEDIR/$path"
1928	}	1897	}
1929		1898
1930	# and all this just because we cannot iterate over
1931	# all maps in C++...
1932	sub change_all_map_light {
1933	my ($change) = @_;
1934
1935	$_->change_map_light ($change)
1936	for grep $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	1899	sub decay_objects {
1940	my ($self) = @_;	1900	my ($self) = @_;
1941		1901
1942	return if $self->{deny_reset};	1902	return if $self->{deny_reset};
1943		1903
…		…
2025	sub find {	1985	sub find {
2026	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
2027		1987
2028	$path = normalise $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
2029		1989
2030	cf::lock_wait "map_data:$path";#d#remove	1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
2032		1992
2033	$cf::MAP{$path} || do {	1993	$cf::MAP{$path} || do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	1994	my $map = new_from_path cf::map $path
2038	or return;	1995	or return;
2039		1996
2040	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
2041		1998
…		…
2043	or return;	2000	or return;
2044		2001
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2003	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
2048	undef $guard1;	2006	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2007	$map->reset;
2051	return find $path;	2008	return find $path;
2052	}	2009	}
2053		2010
2054	$cf::MAP{$path} = $map	2011	$cf::MAP{$path} = $map
…		…
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2038	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2039	$f->skip_block;
2083	$self->_load_objects ($f)	2040	$self->_load_objects ($f)
2084	or return;	2041	or return;
2085		2042
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
2087	if delete $self->{load_original};	2044	if delete $self->{load_original};
2088		2045
2089	if (my $uniq = $self->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2047	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2048	unless (aio_stat $uniq) {
…		…
2109	unless ($self->{deny_activate}) {	2066	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2067	$self->decay_objects;
2111	$self->fix_auto_apply;	2068	$self->fix_auto_apply;
2112	$self->update_buttons;	2069	$self->update_buttons;
2113	cf::cede_to_tick;	2070	cf::cede_to_tick;
2114	$self->set_darkness_map;
2115	cf::cede_to_tick;
2116	$self->activate;	2071	$self->activate;
2117	}	2072	}
2118		2073
2119	$self->{last_save} = $cf::RUNTIME;	2074	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2075	$self->last_access ($cf::RUNTIME);
…		…
2286		2241
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288		2243
2289	return if $self->players;	2244	return if $self->players;
2290		2245
2291	warn "resetting map ", $self->path;	2246	warn "resetting map ", $self->path, "\n";
2292		2247
2293	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
2294		2249
2295	# need to save uniques path	2250	# need to save uniques path
2296	unless ($self->{deny_save}) {	2251	unless ($self->{deny_save}) {
…		…
2387	: normalise $_	2342	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2343	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2344	]
2390	}	2345	}
2391		2346
		2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
		2374	}
		2375
		2376	\@maps
		2377	}
		2378
2392	=back	2379	=back
2393		2380
2394	=head3 cf::object	2381	=head3 cf::object
2395		2382
2396	=cut	2383	=cut
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
2459		2446
2460	=cut	2447	=cut
2461		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
		2462
2462	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2464	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2467	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2478	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2480
2480	} else {	2481	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2484	}
2484	}	2485	}
2485	}	2486	}
2486		2487
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2513
2513	=item $player_object->enter_link	2514	=item $player_object->enter_link
2514		2515
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2517
2517	The player should be reasonably safe there for short amounts of time. You	2518	The player should be reasonably safe there for short amounts of time (e.g.
2518	I<MUST> call C<leave_link> as soon as possible, though.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
2519		2522
2520	Will never block.	2523	Will never block.
2521		2524
2522	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
2523		2526
…		…
2575	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
2577		2580
2578	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
2581		2584
2582	$map->load;	2585	$map->load;
2583	$map->load_neighbours;	2586	$map->load_neighbours;
2584		2587
2585	return unless $self->contr->active;	2588	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2589
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
		2592
		2593	# only activate afterwards, to support waiting in hooks
		2594	$self->activate_recursive;
2590	}	2595	}
2591		2596
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2593		2598
2594	Moves the player to the given map-path and coordinates by first freezing	2599	Moves the player to the given map-path and coordinates by first freezing
2595	her, loading and preparing them map, calling the provided $check callback	2600	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2601	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2602	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2603	be called at the end of this process.
		2604
		2605	Note that $check will be called with a potentially non-loaded map, so if
		2606	it needs a loaded map it has to call C<< ->load >>.
2599		2607
2600	=cut	2608	=cut
2601		2609
2602	our $GOTOGEN;	2610	our $GOTOGEN;
2603		2611
…		…
2682	}	2690	}
2683		2691
2684	sub prepare_random_map {	2692	sub prepare_random_map {
2685	my ($exit) = @_;	2693	my ($exit) = @_;
2686		2694
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2695	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2696	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2697	# that depends on the exit object
2692		2698
2693	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2701	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2702	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
2700	}	2708	}
2701		2709
2702	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
2703		2711
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2718	undef $fh;
2711	aio_rename "$meta~", $meta;	2719	aio_rename "$meta~", $meta;
2712		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
2715	}	2727	}
2716	}	2728	}
2717		2729
2718	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
2720		2732
2721	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
2722		2734
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2735	$self->enter_link;
2735		2736
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2737	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2738	$Coro::current->{desc} = "enter_exit";
2742		2739
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
		2747	prepare_random_map $exit
		2748	if $exit->slaying eq "/!";
		2749	}
		2750
		2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
		2754
2745	$self->goto ($slaying, $hp, $sp);	2755	$self->goto ($map, $x, $y);
2746		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
2747	1;	2761	1
2748	}) {	2762	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
2753		2767
2754	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
…		…
2771	sub cf::client::send_drawinfo {	2785	sub cf::client::send_drawinfo {
2772	my ($self, $text, $flags) = @_;	2786	my ($self, $text, $flags) = @_;
2773		2787
2774	utf8::encode $text;	2788	utf8::encode $text;
2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2789	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2790	}
		2791
		2792	=item $client->send_big_packet ($pkt)
		2793
		2794	Like C<send_packet>, but tries to compress large packets, and fragments
		2795	them as required.
		2796
		2797	=cut
		2798
		2799	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2800
		2801	sub cf::client::send_big_packet {
		2802	my ($self, $pkt) = @_;
		2803
		2804	# try lzf for large packets
		2805	$pkt = "lzf " . Compress::LZF::compress $pkt
		2806	if 1024 <= length $pkt and $self->{can_lzf};
		2807
		2808	# split very large packets
		2809	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2810	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2811	$pkt = "frag";
		2812	}
		2813
		2814	$self->send_packet ($pkt);
2776	}	2815	}
2777		2816
2778	=item $client->send_msg ($channel, $msg, $color, [extra...])	2817	=item $client->send_msg ($channel, $msg, $color, [extra...])
2779		2818
2780	Send a drawinfo or msg packet to the client, formatting the msg for the	2819	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2784		2823
2785	=cut	2824	=cut
2786		2825
2787	# non-persistent channels (usually the info channel)	2826	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	2827	our %CHANNEL = (
		2828	"c/motd" => {
		2829	id => "infobox",
		2830	title => "MOTD",
		2831	reply => undef,
		2832	tooltip => "The message of the day",
		2833	},
2789	"c/identify" => {	2834	"c/identify" => {
2790	id => "infobox",	2835	id => "infobox",
2791	title => "Identify",	2836	title => "Identify",
2792	reply => undef,	2837	reply => undef,
2793	tooltip => "Items recently identified",	2838	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	2840	"c/examine" => {
2796	id => "infobox",	2841	id => "infobox",
2797	title => "Examine",	2842	title => "Examine",
2798	reply => undef,	2843	reply => undef,
2799	tooltip => "Signs and other items you examined",	2844	tooltip => "Signs and other items you examined",
		2845	},
		2846	"c/shopinfo" => {
		2847	id => "infobox",
		2848	title => "Shop Info",
		2849	reply => undef,
		2850	tooltip => "What your bargaining skill tells you about the shop",
2800	},	2851	},
2801	"c/book" => {	2852	"c/book" => {
2802	id => "infobox",	2853	id => "infobox",
2803	title => "Book",	2854	title => "Book",
2804	reply => undef,	2855	reply => undef,
…		…
2820	id => "infobox",	2871	id => "infobox",
2821	title => "Body Parts",	2872	title => "Body Parts",
2822	reply => undef,	2873	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	2874	tooltip => "Shows which body parts you posess and are available",
2824	},	2875	},
		2876	"c/statistics" => {
		2877	id => "infobox",
		2878	title => "Statistics",
		2879	reply => undef,
		2880	tooltip => "Shows your primary statistics",
		2881	},
		2882	"c/skills" => {
		2883	id => "infobox",
		2884	title => "Skills",
		2885	reply => undef,
		2886	tooltip => "Shows your experience per skill and item power",
		2887	},
		2888	"c/shopitems" => {
		2889	id => "infobox",
		2890	title => "Shop Items",
		2891	reply => undef,
		2892	tooltip => "Shows the items currently for sale in this shop",
		2893	},
		2894	"c/resistances" => {
		2895	id => "infobox",
		2896	title => "Resistances",
		2897	reply => undef,
		2898	tooltip => "Shows your resistances",
		2899	},
		2900	"c/pets" => {
		2901	id => "infobox",
		2902	title => "Pets",
		2903	reply => undef,
		2904	tooltip => "Shows information abotu your pets/a specific pet",
		2905	},
		2906	"c/perceiveself" => {
		2907	id => "infobox",
		2908	title => "Perceive Self",
		2909	reply => undef,
		2910	tooltip => "You gained detailed knowledge about yourself",
		2911	},
2825	"c/uptime" => {	2912	"c/uptime" => {
2826	id => "infobox",	2913	id => "infobox",
2827	title => "Uptime",	2914	title => "Uptime",
2828	reply => undef,	2915	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	2916	tooltip => "How long the server has been running since last restart",
…		…
2832	id => "infobox",	2919	id => "infobox",
2833	title => "Map Info",	2920	title => "Map Info",
2834	reply => undef,	2921	reply => undef,
2835	tooltip => "Information related to the maps",	2922	tooltip => "Information related to the maps",
2836	},	2923	},
		2924	"c/party" => {
		2925	id => "party",
		2926	title => "Party",
		2927	reply => "gsay ",
		2928	tooltip => "Messages and chat related to your party",
		2929	},
		2930	"c/death" => {
		2931	id => "death",
		2932	title => "Death",
		2933	reply => undef,
		2934	tooltip => "Reason for and more info about your most recent death",
		2935	},
		2936	"c/say" => $SAY_CHANNEL,
		2937	"c/chat" => $CHAT_CHANNEL,
2837	);	2938	);
2838		2939
2839	sub cf::client::send_msg {	2940	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	2941	my ($self, $channel, $msg, $color, @extra) = @_;
2841		2942
2842	$msg = $self->pl->expand_cfpod ($msg);	2943	$msg = $self->pl->expand_cfpod ($msg)
		2944	unless $color & cf::NDI_VERBATIM;
2843		2945
2844	$color &= cf::NDI_CLIENT_MASK; # just in case...	2946	$color &= cf::NDI_CLIENT_MASK; # just in case...
2845		2947
2846	# check predefined channels, for the benefit of C	2948	# check predefined channels, for the benefit of C
2847	if ($CHANNEL{$channel}) {	2949	if ($CHANNEL{$channel}) {
2848	$channel = $CHANNEL{$channel};	2950	$channel = $CHANNEL{$channel};
2849		2951
2850	$self->ext_msg (channel_info => $channel)	2952	$self->ext_msg (channel_info => $channel);
2851	if $self->can_msg;
2852
2853	$channel = $channel->{id};	2953	$channel = $channel->{id};
2854		2954
2855	} elsif (ref $channel) {	2955	} elsif (ref $channel) {
2856	# send meta info to client, if not yet sent	2956	# send meta info to client, if not yet sent
2857	unless (exists $self->{channel}{$channel->{id}}) {	2957	unless (exists $self->{channel}{$channel->{id}}) {
2858	$self->{channel}{$channel->{id}} = $channel;	2958	$self->{channel}{$channel->{id}} = $channel;
2859	$self->ext_msg (channel_info => $channel)	2959	$self->ext_msg (channel_info => $channel);
2860	if $self->can_msg;
2861	}	2960	}
2862		2961
2863	$channel = $channel->{id};	2962	$channel = $channel->{id};
2864	}	2963	}
2865		2964
2866	return unless @extra || length $msg;	2965	return unless @extra || length $msg;
2867		2966
2868	if ($self->can_msg) {
2869	# default colour, mask it out	2967	# default colour, mask it out
2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2968	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871	if $color & cf::NDI_DEF;	2969	if $color & cf::NDI_DEF;
2872		2970
2873	$self->send_packet ("msg " . $self->{json_coder}->encode (	2971	my $pkt = "msg "
		2972	. $self->{json_coder}->encode (
2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2973	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875	} else {	2974	);
2876	if ($color >= 0) {
2877	# replace some tags by gcfclient-compatible ones
2878	for ($msg) {
2879	1 while
2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2885	}
2886		2975
2887	$color &= cf::NDI_COLOR_MASK;	2976	$self->send_big_packet ($pkt);
2888
2889	utf8::encode $msg;
2890
2891	if (0 && $msg =~ /\[/) {
2892	# COMMAND/INFO
2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2894	} else {
2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2896	$self->send_packet ("drawinfo $color $msg")
2897	}
2898	}
2899	}
2900	}	2977	}
2901		2978
2902	=item $client->ext_msg ($type, @msg)	2979	=item $client->ext_msg ($type, @msg)
2903		2980
2904	Sends an ext event to the client.	2981	Sends an ext event to the client.
…		…
2907		2984
2908	sub cf::client::ext_msg($$@) {	2985	sub cf::client::ext_msg($$@) {
2909	my ($self, $type, @msg) = @_;	2986	my ($self, $type, @msg) = @_;
2910		2987
2911	if ($self->extcmd == 2) {	2988	if ($self->extcmd == 2) {
2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2989	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2913	} elsif ($self->extcmd == 1) { # TODO: remove	2990	} elsif ($self->extcmd == 1) { # TODO: remove
2914	push @msg, msgtype => "event_$type";	2991	push @msg, msgtype => "event_$type";
2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2992	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2916	}	2993	}
2917	}	2994	}
2918		2995
2919	=item $client->ext_reply ($msgid, @msg)	2996	=item $client->ext_reply ($msgid, @msg)
2920		2997
…		…
2924		3001
2925	sub cf::client::ext_reply($$@) {	3002	sub cf::client::ext_reply($$@) {
2926	my ($self, $id, @msg) = @_;	3003	my ($self, $id, @msg) = @_;
2927		3004
2928	if ($self->extcmd == 2) {	3005	if ($self->extcmd == 2) {
2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3006	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2930	} elsif ($self->extcmd == 1) {	3007	} elsif ($self->extcmd == 1) {
2931	#TODO: version 1, remove	3008	#TODO: version 1, remove
2932	unshift @msg, msgtype => "reply", msgid => $id;	3009	unshift @msg, msgtype => "reply", msgid => $id;
2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2934	}	3011	}
2935	}	3012	}
2936		3013
2937	=item $success = $client->query ($flags, "text", \&cb)	3014	=item $success = $client->query ($flags, "text", \&cb)
2938		3015
…		…
3078		3155
3079	The following functions and methods are available within a safe environment:	3156	The following functions and methods are available within a safe environment:
3080		3157
3081	cf::object	3158	cf::object
3082	contr pay_amount pay_player map x y force_find force_add destroy	3159	contr pay_amount pay_player map x y force_find force_add destroy
3083	insert remove name archname title slaying race decrease_ob_nr	3160	insert remove name archname title slaying race decrease split
		3161	value
3084		3162
3085	cf::object::player	3163	cf::object::player
3086	player	3164	player
3087		3165
3088	cf::player	3166	cf::player
…		…
3093		3171
3094	=cut	3172	=cut
3095		3173
3096	for (	3174	for (
3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3175	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098	insert remove inv name archname title slaying race	3176	insert remove inv nrof name archname title slaying race
3099	decrease_ob_nr destroy)],	3177	decrease split destroy change_exp value msg lore send_msg)],
3100	["cf::object::player" => qw(player)],	3178	["cf::object::player" => qw(player)],
3101	["cf::player" => qw(peaceful)],	3179	["cf::player" => qw(peaceful send_msg)],
3102	["cf::map" => qw(trigger)],	3180	["cf::map" => qw(trigger)],
3103	) {	3181	) {
3104	no strict 'refs';	3182	no strict 'refs';
3105	my ($pkg, @funs) = @$_;	3183	my ($pkg, @funs) = @$_;
3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3184	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3123	my ($code, %vars) = @_;	3201	my ($code, %vars) = @_;
3124		3202
3125	my $qcode = $code;	3203	my $qcode = $code;
3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3204	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3127	$qcode =~ s/\n/\\n/g;	3205	$qcode =~ s/\n/\\n/g;
		3206
		3207	%vars = (_dummy => 0) unless %vars;
3128		3208
3129	local $_;	3209	local $_;
3130	local @safe::cf::_safe_eval_args = values %vars;	3210	local @safe::cf::_safe_eval_args = values %vars;
3131		3211
3132	my $eval =	3212	my $eval =
…		…
3362	reload_treasures;	3442	reload_treasures;
3363		3443
3364	warn "finished reloading resource files\n";	3444	warn "finished reloading resource files\n";
3365	}	3445	}
3366		3446
3367	sub init {
3368	my $guard = freeze_mainloop;
3369
3370	reload_resources;
3371	}
3372
3373	sub reload_config {	3447	sub reload_config {
		3448	warn "reloading config file...\n";
		3449
3374	open my $fh, "<:utf8", "$CONFDIR/config"	3450	open my $fh, "<:utf8", "$CONFDIR/config"
3375	or return;	3451	or return;
3376		3452
3377	local $/;	3453	local $/;
3378	*CFG = YAML::Load <$fh>;	3454	*CFG = YAML::XS::Load scalar <$fh>;
3379		3455
3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3456	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3381		3457
3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3458	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3459	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3387	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3463	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3388	and die "WARNING: m(un)lockall failed: $!\n";	3464	and die "WARNING: m(un)lockall failed: $!\n";
3389	};	3465	};
3390	warn $@ if $@;	3466	warn $@ if $@;
3391	}	3467	}
		3468
		3469	warn "finished reloading resource files\n";
		3470	}
		3471
		3472	sub pidfile() {
		3473	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3474	or die "$PIDFILE: $!";
		3475	flock $fh, &Fcntl::LOCK_EX
		3476	or die "$PIDFILE: flock: $!";
		3477	$fh
		3478	}
		3479
		3480	# make sure only one server instance is running at any one time
		3481	sub atomic {
		3482	my $fh = pidfile;
		3483
		3484	my $pid = <$fh>;
		3485	kill 9, $pid if $pid > 0;
		3486
		3487	seek $fh, 0, 0;
		3488	print $fh $$;
		3489	}
		3490
		3491	sub main_loop {
		3492	warn "EV::loop starting\n";
		3493	if (1) {
		3494	EV::loop;
		3495	}
		3496	warn "EV::loop returned\n";
		3497	goto &main_loop unless $REALLY_UNLOOP;
3392	}	3498	}
3393		3499
3394	sub main {	3500	sub main {
		3501	cf::init_globals; # initialise logging
		3502
		3503	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3504	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3505	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3506	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3507
		3508	cf::init_experience;
		3509	cf::init_anim;
		3510	cf::init_attackmess;
		3511	cf::init_dynamic;
		3512
		3513	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3514
3395	# we must not ever block the main coroutine	3515	# we must not ever block the main coroutine
3396	local $Coro::idle = sub {	3516	local $Coro::idle = sub {
3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3517	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3398	(async {	3518	(async {
3399	$Coro::current->{desc} = "IDLE BUG HANDLER";	3519	$Coro::current->{desc} = "IDLE BUG HANDLER";
3400	EV::loop EV::LOOP_ONESHOT;	3520	EV::loop EV::LOOP_ONESHOT;
3401	})->prio (Coro::PRIO_MAX);	3521	})->prio (Coro::PRIO_MAX);
3402	};	3522	};
3403		3523
3404	{	3524	evthread_start IO::AIO::poll_fileno;
3405	my $guard = freeze_mainloop;	3525
		3526	cf::sync_job {
		3527	reload_resources;
3406	reload_config;	3528	reload_config;
3407	db_init;	3529	db_init;
		3530
		3531	cf::load_settings;
		3532	cf::load_materials;
		3533	cf::init_uuid;
		3534	cf::init_signals;
		3535	cf::init_commands;
		3536	cf::init_skills;
		3537
		3538	cf::init_beforeplay;
		3539
		3540	atomic;
		3541
3408	load_extensions;	3542	load_extensions;
3409		3543
3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3544	utime time, time, $RUNTIMEFILE;
3411	evthread_start IO::AIO::poll_fileno;	3545
		3546	# no (long-running) fork's whatsoever before this point(!)
		3547	use POSIX ();
		3548	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3549
		3550	(pop @POST_INIT)->(0) while @POST_INIT;
3412	}	3551	};
3413		3552
3414	EV::loop;	3553	main_loop;
3415	}	3554	}
3416		3555
3417	#############################################################################	3556	#############################################################################
3418	# initialisation and cleanup	3557	# initialisation and cleanup
3419		3558
…		…
3426	};	3565	};
3427	}	3566	}
3428	}	3567	}
3429		3568
3430	sub write_runtime_sync {	3569	sub write_runtime_sync {
3431	my $runtime = "$LOCALDIR/runtime";
3432
3433	# first touch the runtime file to show we are still running:	3570	# first touch the runtime file to show we are still running:
3434	# the fsync below can take a very very long time.	3571	# the fsync below can take a very very long time.
3435		3572
3436	IO::AIO::aio_utime $runtime, undef, undef;	3573	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3437		3574
3438	my $guard = cf::lock_acquire "write_runtime";	3575	my $guard = cf::lock_acquire "write_runtime";
3439		3576
3440	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3577	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3441	or return;	3578	or return;
3442		3579
3443	my $value = $cf::RUNTIME + 90 + 10;	3580	my $value = $cf::RUNTIME + 90 + 10;
3444	# 10 is the runtime save interval, for a monotonic clock	3581	# 10 is the runtime save interval, for a monotonic clock
3445	# 60 allows for the watchdog to kill the server.	3582	# 60 allows for the watchdog to kill the server.
…		…
3455	aio_utime $fh, undef, undef;	3592	aio_utime $fh, undef, undef;
3456		3593
3457	close $fh	3594	close $fh
3458	or return;	3595	or return;
3459		3596
3460	aio_rename "$runtime~", $runtime	3597	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3461	and return;	3598	and return;
3462		3599
3463	warn "runtime file written.\n";	3600	warn "runtime file written.\n";
3464		3601
3465	1	3602	1
…		…
3477	my $uuid = "$LOCALDIR/uuid";	3614	my $uuid = "$LOCALDIR/uuid";
3478		3615
3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3616	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3480	or return;	3617	or return;
3481		3618
3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3619	my $value = uuid_seq uuid_cur;
		3620
		3621	unless ($value) {
		3622	warn "cowardly refusing to write zero uuid value!\n";
		3623	return;
		3624	}
		3625
		3626	my $value = uuid_str $value + $uuid_skip;
3483	$uuid_skip = 0;	3627	$uuid_skip = 0;
3484		3628
3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3629	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3486	and return;	3630	and return;
3487		3631
…		…
3509	}	3653	}
3510		3654
3511	sub emergency_save() {	3655	sub emergency_save() {
3512	my $freeze_guard = cf::freeze_mainloop;	3656	my $freeze_guard = cf::freeze_mainloop;
3513		3657
3514	warn "enter emergency perl save\n";	3658	warn "emergency_perl_save: enter\n";
3515		3659
3516	cf::sync_job {	3660	cf::sync_job {
		3661	# this is a trade-off: we want to be very quick here, so
		3662	# save all maps without fsync, and later call a global sync
		3663	# (which in turn might be very very slow)
		3664	local $USE_FSYNC = 0;
		3665
3517	# use a peculiar iteration method to avoid tripping on perl	3666	# use a peculiar iteration method to avoid tripping on perl
3518	# refcount bugs in for. also avoids problems with players	3667	# refcount bugs in for. also avoids problems with players
3519	# and maps saved/destroyed asynchronously.	3668	# and maps saved/destroyed asynchronously.
3520	warn "begin emergency player save\n";	3669	warn "emergency_perl_save: begin player save\n";
3521	for my $login (keys %cf::PLAYER) {	3670	for my $login (keys %cf::PLAYER) {
3522	my $pl = $cf::PLAYER{$login} or next;	3671	my $pl = $cf::PLAYER{$login} or next;
3523	$pl->valid or next;	3672	$pl->valid or next;
3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3673	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3525	$pl->save;	3674	$pl->save;
3526	}	3675	}
3527	warn "end emergency player save\n";	3676	warn "emergency_perl_save: end player save\n";
3528		3677
3529	warn "begin emergency map save\n";	3678	warn "emergency_perl_save: begin map save\n";
3530	for my $path (keys %cf::MAP) {	3679	for my $path (keys %cf::MAP) {
3531	my $map = $cf::MAP{$path} or next;	3680	my $map = $cf::MAP{$path} or next;
3532	$map->valid or next;	3681	$map->valid or next;
3533	$map->save;	3682	$map->save;
3534	}	3683	}
3535	warn "end emergency map save\n";	3684	warn "emergency_perl_save: end map save\n";
3536		3685
3537	warn "begin emergency database checkpoint\n";	3686	warn "emergency_perl_save: begin database checkpoint\n";
3538	BDB::db_env_txn_checkpoint $DB_ENV;	3687	BDB::db_env_txn_checkpoint $DB_ENV;
3539	warn "end emergency database checkpoint\n";	3688	warn "emergency_perl_save: end database checkpoint\n";
3540		3689
3541	warn "begin write uuid\n";	3690	warn "emergency_perl_save: begin write uuid\n";
3542	write_uuid_sync 1;	3691	write_uuid_sync 1;
3543	warn "end write uuid\n";	3692	warn "emergency_perl_save: end write uuid\n";
3544	};	3693	};
3545		3694
		3695	warn "emergency_perl_save: starting sync()\n";
		3696	IO::AIO::aio_sync sub {
		3697	warn "emergency_perl_save: finished sync()\n";
		3698	};
		3699
3546	warn "leave emergency perl save\n";	3700	warn "emergency_perl_save: leave\n";
3547	}	3701	}
3548		3702
3549	sub post_cleanup {	3703	sub post_cleanup {
3550	my ($make_core) = @_;	3704	my ($make_core) = @_;
3551		3705
3552	warn Carp::longmess "post_cleanup backtrace"	3706	warn Carp::longmess "post_cleanup backtrace"
3553	if $make_core;	3707	if $make_core;
		3708
		3709	my $fh = pidfile;
		3710	unlink $PIDFILE if <$fh> == $$;
		3711	}
		3712
		3713	# a safer delete_package, copied from Symbol
		3714	sub clear_package($) {
		3715	my $pkg = shift;
		3716
		3717	# expand to full symbol table name if needed
		3718	unless ($pkg =~ /^main::.*::$/) {
		3719	$pkg = "main$pkg" if $pkg =~ /^::/;
		3720	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3721	$pkg .= '::' unless $pkg =~ /::$/;
		3722	}
		3723
		3724	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3725	my $stem_symtab = *{$stem}{HASH};
		3726
		3727	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3728	or return;
		3729
		3730	# clear all symbols
		3731	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3732	for my $name (keys %$leaf_symtab) {
		3733	_gv_clear *{"$pkg$name"};
		3734	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3735	}
		3736	warn "cleared package $pkg\n";#d#
3554	}	3737	}
3555		3738
3556	sub do_reload_perl() {	3739	sub do_reload_perl() {
3557	# can/must only be called in main	3740	# can/must only be called in main
3558	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
3559	warn "can only reload from main coroutine";	3742	warn "can only reload from main coroutine";
3560	return;	3743	return;
3561	}	3744	}
3562		3745
		3746	return if $RELOAD++;
		3747
		3748	my $t1 = EV::time;
		3749
		3750	while ($RELOAD) {
3563	warn "reloading...";	3751	warn "reloading...";
3564		3752
3565	warn "entering sync_job";	3753	warn "entering sync_job";
3566		3754
3567	cf::sync_job {	3755	cf::sync_job {
3568	cf::write_runtime_sync; # external watchdog should not bark	3756	cf::write_runtime_sync; # external watchdog should not bark
3569	cf::emergency_save;	3757	cf::emergency_save;
3570	cf::write_runtime_sync; # external watchdog should not bark	3758	cf::write_runtime_sync; # external watchdog should not bark
3571		3759
3572	warn "syncing database to disk";	3760	warn "syncing database to disk";
3573	BDB::db_env_txn_checkpoint $DB_ENV;	3761	BDB::db_env_txn_checkpoint $DB_ENV;
3574		3762
3575	# if anything goes wrong in here, we should simply crash as we already saved	3763	# if anything goes wrong in here, we should simply crash as we already saved
3576		3764
3577	warn "flushing outstanding aio requests";	3765	warn "flushing outstanding aio requests";
3578	for (;;) {
3579	BDB::flush;
3580	IO::AIO::flush;
3581	Coro::cede_notself;
3582	last unless IO::AIO::nreqs || BDB::nreqs;	3766	while (IO::AIO::nreqs || BDB::nreqs) {
3583	warn "iterate...";	3767	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3584	}
3585
3586	++$RELOAD;
3587
3588	warn "cancelling all extension coros";
3589	$_->cancel for values %EXT_CORO;
3590	%EXT_CORO = ();
3591
3592	warn "removing commands";
3593	%COMMAND = ();
3594
3595	warn "removing ext/exti commands";
3596	%EXTCMD = ();
3597	%EXTICMD = ();
3598
3599	warn "unloading/nuking all extensions";
3600	for my $pkg (@EXTS) {
3601	warn "... unloading $pkg";
3602
3603	if (my $cb = $pkg->can ("unload")) {
3604	eval {
3605	$cb->($pkg);
3606	1
3607	} or warn "$pkg unloaded, but with errors: $@";
3608	}	3768	}
3609		3769
3610	warn "... nuking $pkg";	3770	warn "cancelling all extension coros";
3611	Symbol::delete_package $pkg;	3771	$_->cancel for values %EXT_CORO;
3612	}	3772	%EXT_CORO = ();
3613		3773
3614	warn "unloading all perl modules loaded from $LIBDIR";	3774	warn "removing commands";
3615	while (my ($k, $v) = each %INC) {	3775	%COMMAND = ();
3616	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3617		3776
		3777	warn "removing ext/exti commands";
		3778	%EXTCMD = ();
		3779	%EXTICMD = ();
		3780
		3781	warn "unloading/nuking all extensions";
		3782	for my $pkg (@EXTS) {
3618	warn "... unloading $k";	3783	warn "... unloading $pkg";
3619	delete $INC{$k};
3620		3784
3621	$k =~ s/\.pm$//;
3622	$k =~ s/\//::/g;
3623
3624	if (my $cb = $k->can ("unload_module")) {	3785	if (my $cb = $pkg->can ("unload")) {
		3786	eval {
3625	$cb->();	3787	$cb->($pkg);
		3788	1
		3789	} or warn "$pkg unloaded, but with errors: $@";
		3790	}
		3791
		3792	warn "... clearing $pkg";
		3793	clear_package $pkg;
3626	}	3794	}
3627		3795
3628	Symbol::delete_package $k;	3796	warn "unloading all perl modules loaded from $LIBDIR";
		3797	while (my ($k, $v) = each %INC) {
		3798	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3799
		3800	warn "... unloading $k";
		3801	delete $INC{$k};
		3802
		3803	$k =~ s/\.pm$//;
		3804	$k =~ s/\//::/g;
		3805
		3806	if (my $cb = $k->can ("unload_module")) {
		3807	$cb->();
		3808	}
		3809
		3810	clear_package $k;
3629	}	3811	}
3630		3812
3631	warn "getting rid of safe::, as good as possible";	3813	warn "getting rid of safe::, as good as possible";
3632	Symbol::delete_package "safe::$_"	3814	clear_package "safe::$_"
3633	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3815	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3634		3816
3635	warn "unloading cf.pm \"a bit\"";	3817	warn "unloading cf.pm \"a bit\"";
3636	delete $INC{"cf.pm"};	3818	delete $INC{"cf.pm"};
3637	delete $INC{"cf/pod.pm"};	3819	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3638		3820
3639	# don't, removes xs symbols, too,	3821	# don't, removes xs symbols, too,
3640	# and global variables created in xs	3822	# and global variables created in xs
3641	#Symbol::delete_package __PACKAGE__;	3823	#clear_package __PACKAGE__;
3642		3824
3643	warn "unload completed, starting to reload now";	3825	warn "unload completed, starting to reload now";
3644		3826
3645	warn "reloading cf.pm";	3827	warn "reloading cf.pm";
3646	require cf;	3828	require cf;
3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3829	cf::_connect_to_perl_1;
3648		3830
3649	warn "loading config and database again";	3831	warn "loading config and database again";
3650	cf::reload_config;	3832	cf::reload_config;
3651		3833
3652	warn "loading extensions";	3834	warn "loading extensions";
3653	cf::load_extensions;	3835	cf::load_extensions;
3654		3836
		3837	if ($REATTACH_ON_RELOAD) {
3655	warn "reattaching attachments to objects/players";	3838	warn "reattaching attachments to objects/players";
3656	_global_reattach; # objects, sockets	3839	_global_reattach; # objects, sockets
3657	warn "reattaching attachments to maps";	3840	warn "reattaching attachments to maps";
3658	reattach $_ for values %MAP;	3841	reattach $_ for values %MAP;
3659	warn "reattaching attachments to players";	3842	warn "reattaching attachments to players";
3660	reattach $_ for values %PLAYER;	3843	reattach $_ for values %PLAYER;
		3844	}
3661		3845
		3846	warn "running post_init jobs";
		3847	(pop @POST_INIT)->(1) while @POST_INIT;
		3848
3662	warn "leaving sync_job";	3849	warn "leaving sync_job";
3663		3850
3664	1	3851	1
3665	} or do {	3852	} or do {
3666	warn $@;	3853	warn $@;
3667	cf::cleanup "error while reloading, exiting.";	3854	cf::cleanup "error while reloading, exiting.";
3668	};	3855	};
3669		3856
3670	warn "reloaded";	3857	warn "reloaded";
		3858	--$RELOAD;
		3859	}
		3860
		3861	$t1 = EV::time - $t1;
		3862	warn "reload completed in ${t1}s\n";
3671	};	3863	};
3672		3864
3673	our $RELOAD_WATCHER; # used only during reload	3865	our $RELOAD_WATCHER; # used only during reload
3674		3866
3675	sub reload_perl() {	3867	sub reload_perl() {
3676	# doing reload synchronously and two reloads happen back-to-back,	3868	# doing reload synchronously and two reloads happen back-to-back,
3677	# coro crashes during coro_state_free->destroy here.	3869	# coro crashes during coro_state_free->destroy here.
3678		3870
		3871	$RELOAD_WATCHER ||= cf::async {
		3872	Coro::AIO::aio_wait cache_extensions;
		3873
3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3874	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3680	do_reload_perl;	3875	do_reload_perl;
3681	undef $RELOAD_WATCHER;	3876	undef $RELOAD_WATCHER;
		3877	};
3682	};	3878	};
3683	}	3879	}
3684		3880
3685	register_command "reload" => sub {	3881	register_command "reload" => sub {
3686	my ($who, $arg) = @_;	3882	my ($who, $arg) = @_;
…		…
3757	{	3953	{
3758	# configure BDB	3954	# configure BDB
3759		3955
3760	BDB::min_parallel 8;	3956	BDB::min_parallel 8;
3761	BDB::max_poll_reqs $TICK * 0.1;	3957	BDB::max_poll_reqs $TICK * 0.1;
3762	$Coro::BDB::WATCHER->priority (1);	3958	$AnyEvent::BDB::WATCHER->priority (1);
3763		3959
3764	unless ($DB_ENV) {	3960	unless ($DB_ENV) {
3765	$DB_ENV = BDB::db_env_create;	3961	$DB_ENV = BDB::db_env_create;
3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3962	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3767	| BDB::LOG_AUTOREMOVE, 1);	3963	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3964	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3965	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3966	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3770		3967
3771	cf::sync_job {	3968	cf::sync_job {
3772	eval {	3969	eval {
…		…
3798	{	3995	{
3799	# configure IO::AIO	3996	# configure IO::AIO
3800		3997
3801	IO::AIO::min_parallel 8;	3998	IO::AIO::min_parallel 8;
3802	IO::AIO::max_poll_time $TICK * 0.1;	3999	IO::AIO::max_poll_time $TICK * 0.1;
3803	$Coro::AIO::WATCHER->priority (1);	4000	undef $AnyEvent::AIO::WATCHER;
3804	}	4001	}
3805		4002
3806	my $_log_backtrace;	4003	my $_log_backtrace;
3807		4004
3808	sub _log_backtrace {	4005	sub _log_backtrace {
…		…
3811	$msg =~ s/\n//;	4008	$msg =~ s/\n//;
3812		4009
3813	# limit the # of concurrent backtraces	4010	# limit the # of concurrent backtraces
3814	if ($_log_backtrace < 2) {	4011	if ($_log_backtrace < 2) {
3815	++$_log_backtrace;	4012	++$_log_backtrace;
		4013	my $perl_bt = Carp::longmess $msg;
3816	async {	4014	async {
3817	$Coro::current->{desc} = "abt $msg";	4015	$Coro::current->{desc} = "abt $msg";
3818		4016
3819	my @bt = fork_call {	4017	my @bt = fork_call {
3820	@addr = map { sprintf "%x", $_ } @addr;	4018	@addr = map { sprintf "%x", $_ } @addr;
…		…
3831	}	4029	}
3832		4030
3833	@funcs	4031	@funcs
3834	};	4032	};
3835		4033
3836	LOG llevInfo, "[ABT] $msg\n";	4034	LOG llevInfo, "[ABT] $perl_bt\n";
		4035	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3837	LOG llevInfo, "[ABT] $_\n" for @bt;	4036	LOG llevInfo, "[ABT] $_\n" for @bt;
3838	--$_log_backtrace;	4037	--$_log_backtrace;
3839	};	4038	};
3840	} else {	4039	} else {
3841	LOG llevInfo, "[ABT] $msg\n";	4040	LOG llevInfo, "[ABT] $msg\n";
3842	LOG llevInfo, "[ABT] [suppressed]\n";	4041	LOG llevInfo, "[ABT] [suppressed]\n";
3843	}	4042	}
3844	}	4043	}
3845		4044
3846	# load additional modules	4045	# load additional modules
3847	use cf::pod;	4046	require "cf/$_.pm" for @EXTRA_MODULES;
		4047	cf::_connect_to_perl_2;
3848		4048
3849	END { cf::emergency_save }	4049	END { cf::emergency_save }
3850		4050
3851	1	4051	1
3852		4052

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