[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
14		35
15	use Coro 4.1 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
24	use Coro::Util ();	46	use Coro::Util ();
25		47
26	use JSON::XS ();	48	use JSON::XS 2.01 ();
27	use BDB ();	49	use BDB ();
28	use Data::Dumper;	50	use Data::Dumper;
29	use Digest::MD5;	51	use Digest::MD5;
30	use Fcntl;	52	use Fcntl;
31	use YAML::Syck ();	53	use YAML ();
32	use IO::AIO 2.51 ();	54	use IO::AIO 2.51 ();
33	use Time::HiRes;	55	use Time::HiRes;
34	use Compress::LZF;	56	use Compress::LZF;
35	use Digest::MD5 ();	57	use Digest::MD5 ();
36		58
37	# configure various modules to our taste	59	# configure various modules to our taste
38	#	60	#
39	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47		64
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		66
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		68
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
75		93
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	97	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		99
84	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	101	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	102	our $BDB_CHECKPOINT_WATCHER;
…		…
89		105
90	our %CFG;	106	our %CFG;
91		107
92	our $UPTIME; $UPTIME \|\|= time;	108	our $UPTIME; $UPTIME \|\|= time;
93	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
94		111
95	our (%PLAYER, %PLAYER_LOADING); # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
98		115
99	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		118
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
105		123
106	binmode STDOUT;	124	binmode STDOUT;
107	binmode STDERR;	125	binmode STDERR;
108		126
109	# read virtual server time, if available	127	# read virtual server time, if available
…		…
162		180
163	The raw value load value from the last tick.	181	The raw value load value from the last tick.
164		182
165	=item %cf::CFG	183	=item %cf::CFG
166		184
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	186	from wherever your confdir points to.
169		187
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		189
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		212
195	LOG llevError, $msg;	213	LOG llevError, $msg;
196	};	214	};
197	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
198		231
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
215	)) {	248	)) {
216	no strict 'refs';	249	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	251	}
219		252
220	$Event::DIED = sub {	253	$EV::DIED = sub {
221	warn "error in event callback: @_";	254	warn "error in event callback: @_";
222	};	255	};
223		256
224	#############################################################################	257	#############################################################################
225		258
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	282	$d
250	} \|\| "[unable to dump $_[0]: '$@']";	283	} \|\| "[unable to dump $_[0]: '$@']";
251	}	284	}
252		285
253	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
254		287
255	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
256		289
257	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
258		291
259	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
260		293
261	=cut	294	=cut
262		295
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		297
265	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
267		300
268	=item cf::lock_wait $string	301	=item cf::lock_wait $string
269		302
270	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
271		304
…		…
327		360
328	! ! $LOCK{$key}	361	! ! $LOCK{$key}
329	}	362	}
330		363
331	sub freeze_mainloop {	364	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
333		366
334	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	368	}
336	};	369
337	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
338	$guard	371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
339	}	383	}
340		384
341	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
342		386
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
406		450
407	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
408		452
409	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
410		454
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	456	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	458	acceptable.
415		459
416	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		466
423	sub sync_job(&) {	467	sub sync_job(&) {
424	my ($job) = @_;	468	my ($job) = @_;
425		469
426	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	471	my $time = EV::time;
428		472
429	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
431		475
432	LOG llevError, Carp::longmess "sync job";#d#	476	LOG llevError, Carp::longmess "sync job";#d#
433		477
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
437		479
438	my $busy = 1;	480	my $busy = 1;
439	my @res;	481	my @res;
440		482
…		…
444	warn $@ if $@;	486	warn $@ if $@;
445	undef $busy;	487	undef $busy;
446	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
447		489
448	while ($busy) {	490	while ($busy) {
449	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
450	}	495	}
		496	}
451		497
452	$time = Event::time - $time;	498	my $time = EV::time - $time;
453		499
454	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
458		501
459	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
460	} else {	503	} else {
461	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
462		505
…		…
487	=item fork_call { }, $args	530	=item fork_call { }, $args
488		531
489	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
493		536
494	=cut	537	=cut
495		538
496	sub fork_call(&@) {	539	sub fork_call(&@) {
497	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
…		…
504	reset_signals;	547	reset_signals;
505	&$cb	548	&$cb
506	}, @args;	549	}, @args;
507		550
508	wantarray ? @res : $res[-1]	551	wantarray ? @res : $res[-1]
		552	}
		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
509	}	579	}
510		580
511	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
512		582
513	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
658	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
660		730
661	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	733	Deliantra).
664		734
665	=over 4	735	=over 4
666		736
667	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
668		738
…		…
950	}	1020	}
951		1021
952	0	1022	0
953	}	1023	}
954		1024
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1026
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1028
959	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
960		1030
…		…
966		1036
967	=cut	1037	=cut
968		1038
969	#############################################################################	1039	#############################################################################
970	# object support	1040	# object support
971	#
972		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
973	sub _can_merge {	1075	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1076	my ($ob1, $ob2) = @_;
975		1077
976	return 1;#d#	1078	++$SLOW_MERGES;#d#
977		1079
978	#todo#d# kill yourself and do some recursive checking manually without storable	1080	# we do the slow way here
979	sync_job {	1081	return _object_equal $ob1, $ob2
980	my $guard = Coro::Storable::guard;
981	local $Storable::canonical = 1;
982	my $fob1 = Storable::freeze $ob1;
983	my $fob2 = Storable::freeze $ob2;
984	$fob1 eq $fob2
985	}
986	}	1082	}
987		1083
988	sub reattach {	1084	sub reattach {
989	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
990	my ($obj) = @_;	1086	my ($obj) = @_;
…		…
1012	cf::attachable->attach (	1108	cf::attachable->attach (
1013	prio => -1000000,	1109	prio => -1000000,
1014	on_instantiate => sub {	1110	on_instantiate => sub {
1015	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
1016		1112
1017	$data = from_json $data;	1113	$data = decode_json $data;
1018		1114
1019	for (@$data) {	1115	for (@$data) {
1020	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
1021		1117
1022	$obj->attach ($name, %{$args \|\| {} });	1118	$obj->attach ($name, %{$args \|\| {} });
…		…
1051	close $fh;	1147	close $fh;
1052		1148
1053	if (@$objs) {	1149	if (@$objs) {
1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
1055	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1057	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
1058	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1059	close $fh;	1155	close $fh;
1060	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
1061	}	1157	}
…		…
1092		1188
1093	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1094	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1095	or return;	1191	or return;
1096		1192
1097	my $st = eval { Coro::Storable::thaw $av }	1193	my $st = eval { Coro::Storable::thaw $av };
1098	\|\| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1099	$av = $st->{objs};	1194	$av = $st->{objs};
1100	}	1195	}
1101		1196
1102	utf8::decode (my $decname = $filename);	1197	utf8::decode (my $decname = $filename);
1103	warn sprintf "loading %s (%d,%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
…		…
1260	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1261	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1262		1357
1263	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1264	warn $msg;	1359	warn $msg;
1265	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1266	exit 1;
1267	}	1361	}
1268		1362
1269	warn $msg;	1363	warn $msg;
1270	}	1364	}
1271		1365
…		…
1519		1613
1520	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1521		1615
1522	=cut	1616	=cut
1523		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	\| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
1524	sub expand_cfpod {	1629	sub expand_cfpod {
1525	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1526		1631
1527	# escape & and <	1632	my $xml;
1528	s/&/&/g;
1529	s/(?<![BIUGHT])</</g;
1530		1633
1531	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1532		1637
1533	1 while	1638	$group =~ s/&/&/g;
1534	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</</g;
1535	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1536	\|\| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1537	\|\| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1538	\|\| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1643	([BCGHITU])
1539	# replace G<male\|female> tags	1644	<
1540	\|\| s{G<([^>\|])\\|([^>])>}{	1645	(?:
1541	$self->gender ? $2 : $1	1646	([^<>]*) (?{ $group = $^N })
1542	}ge	1647	\| < $interior >
1543	# replace H<hint text>	1648	)
1544	\|\| s{H<([^\>]*)>}	1649	>
		1650	%gcsx
1545	{	1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1548	"")	1671	"")
1549	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1550	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1551		1683
		1684	for ($xml) {
1552	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1553	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1554		1687
1555	# compress some whitespace	1688	# compress some whitespace
1556	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1557	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1558	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1559	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1560		1694
1561	$_	1695	$xml
1562	}	1696	}
		1697
		1698	no re 'eval';
1563		1699
1564	sub hintmode {	1700	sub hintmode {
1565	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1566	$_[0]{hintmode}	1702	$_[0]{hintmode}
1567	}	1703	}
…		…
1639	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1640	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1641		1777
1642	sub generate_random_map {	1778	sub generate_random_map {
1643	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1644	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1645	$self->_create_random_map (	1784	$self->_create_random_map (
1646	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1647	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1648	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1770		1909
1771	# the temporary/swap location	1910	# the temporary/swap location
1772	sub save_path {	1911	sub save_path {
1773	my ($self) = @_;	1912	my ($self) = @_;
1774		1913
1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1776	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1777	}	1916	}
1778		1917
1779	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1780	sub uniq_path {	1919	sub uniq_path {
1781	my ($self) = @_;	1920	my ($self) = @_;
1782		1921
1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1784	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1785	}	1924	}
1786		1925
1787	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1788	# all maps in C++...	1927	# all maps in C++...
…		…
2234		2373
2235	sub unique_maps() {	2374	sub unique_maps() {
2236	[	2375	[
2237	map {	2376	map {
2238	utf8::decode $_;	2377	utf8::decode $_;
2239	/\.map$/	2378	s/\.map$//; # TODO future compatibility hack
		2379	/\.pst$/ \|\| !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2380	? ()
2240	? normalise $_	2381	: normalise $_
2241	: ()
2242	} @{ aio_readdir $UNIQUEDIR or [] }	2382	} @{ aio_readdir $UNIQUEDIR or [] }
2243	]	2383	]
2244	}	2384	}
2245		2385
2246	package cf;
2247
2248	=back	2386	=back
2249		2387
2250	=head3 cf::object	2388	=head3 cf::object
2251		2389
2252	=cut	2390	=cut
…		…
2255		2393
2256	=over 4	2394	=over 4
2257		2395
2258	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
2259		2397
2260	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
2261		2400
2262	=cut	2401	=cut
2263		2402
2264	sub inv_recursive_;	2403	sub inv_recursive_;
2265	sub inv_recursive_ {	2404	sub inv_recursive_ {
…		…
2270	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
2271	}	2410	}
2272		2411
2273	=item $ref = $ob->ref	2412	=item $ref = $ob->ref
2274		2413
2275	creates and returns a persistent reference to an objetc that can be stored as a string.	2414	Creates and returns a persistent reference to an object that can be stored as a string.
2276		2415
2277	=item $ob = cf::object::deref ($refstring)	2416	=item $ob = cf::object::deref ($refstring)
2278		2417
2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2280	even if the object actually exists. May block.	2419	even if the object actually exists. May block.
…		…
2554	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2555	}	2694	}
2556		2695
2557	$rmp->{random_seed} \|\|= $exit->random_seed;	2696	$rmp->{random_seed} \|\|= $exit->random_seed;
2558		2697
2559	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2560	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2561	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2562		2701
2563	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
2564	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2637	the message, with C<log> being the default. If C<$color> is negative, suppress	2776	the message, with C<log> being the default. If C<$color> is negative, suppress
2638	the message unless the client supports the msg packet.	2777	the message unless the client supports the msg packet.
2639		2778
2640	=cut	2779	=cut
2641		2780
		2781	# non-persistent channels (usually the info channel)
2642	our %CHANNEL = (	2782	our %CHANNEL = (
2643	"c/identify" => {	2783	"c/identify" => {
2644	id => "infobox",	2784	id => "infobox",
2645	title => "Identify",	2785	title => "Identify",
2646	reply => undef,	2786	reply => undef,
…		…
2650	id => "infobox",	2790	id => "infobox",
2651	title => "Examine",	2791	title => "Examine",
2652	reply => undef,	2792	reply => undef,
2653	tooltip => "Signs and other items you examined",	2793	tooltip => "Signs and other items you examined",
2654	},	2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
2655	"c/lookat" => {	2801	"c/lookat" => {
2656	id => "infobox",	2802	id => "infobox",
2657	title => "Look",	2803	title => "Look",
2658	reply => undef,	2804	reply => undef,
2659	tooltip => "What you saw there",	2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
2660	},	2830	},
2661	);	2831	);
2662		2832
2663	sub cf::client::send_msg {	2833	sub cf::client::send_msg {
2664	my ($self, $channel, $msg, $color, @extra) = @_;	2834	my ($self, $channel, $msg, $color, @extra) = @_;
…		…
3033	{	3203	{
3034	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
3035		3205
3036	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
3037	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		3208
3038	cf::face::set_visibility $idx, $info->{visibility};	3209	cf::face::set_visibility $idx, $info->{visibility};
3039	cf::face::set_magicmap $idx, $info->{magicmap};	3210	cf::face::set_magicmap $idx, $info->{magicmap};
3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3042		3213
3043	cf::cede_to_tick;	3214	cf::cede_to_tick;
3044	}	3215	}
3045		3216
3046	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
3047	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
3048	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
3049	or next;	3221	or next;
		3222
3050	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
3051	cf::face::set_smooth $idx, $smooth;	3224	cf::face::set_smooth $idx, $smooth;
3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3053	} else {	3226	} else {
3054	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3072	{	3245	{
3073	# TODO: for gcfclient pleasure, we should give resources	3246	# TODO: for gcfclient pleasure, we should give resources
3074	# that gcfclient doesn't grok a >10000 face index.	3247	# that gcfclient doesn't grok a >10000 face index.
3075	my $res = $facedata->{resource};	3248	my $res = $facedata->{resource};
3076		3249
3077	my $soundconf = delete $res->{"res/sound.conf"};
3078
3079	while (my ($name, $info) = each %$res) {	3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
3080	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;	3252	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
3081	my $data;	3253	my $data;
3082		3254
3083	if ($info->{type} & 1) {	3255	if ($info->{type} & 1) {
3084	# prepend meta info	3256	# prepend meta info
3085		3257
3086	my $meta = $enc->encode ({	3258	my $meta = $enc->encode ({
3087	name => $name,	3259	name => $name,
3088	%{ $info->{meta} \|\| {} },	3260	%{ $info->{meta} \|\| {} },
3089	});	3261	});
3090		3262
3091	$data = pack "(w/a)", $meta, $info->{data};	3263	$data = pack "(w/a)", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
3092	} else {	3270	} else {
3093	$data = $info->{data};	3271	$RESOURCE{$name} = $info;
3094	}	3272	}
3095		3273
3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3097	cf::face::set_type $idx, $info->{type};
3098
3099	cf::cede_to_tick;	3274	cf::cede_to_tick;
3100	}	3275	}
3101
3102	if ($soundconf) {
3103	$soundconf = $enc->decode (delete $soundconf->{data});
3104
3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3106	my $sound = $soundconf->{compat}[$_]
3107	or next;
3108
3109	my $face = cf::face::find "sound/$sound->[1]";
3110	cf::sound::set $sound->[0] => $face;
3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3112	}
3113
3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
3115	my $face = cf::face::find "sound/$v";
3116	cf::sound::set $k => $face;
3117	}
3118	}
3119	}	3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3120		3279
3121	1	3280	1
3122	}	3281	}
		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
3123		3302
3124	register_exticmd fx_want => sub {	3303	register_exticmd fx_want => sub {
3125	my ($ns, $want) = @_;	3304	my ($ns, $want) = @_;
3126		3305
3127	while (my ($k, $v) = each %$want) {	3306	while (my ($k, $v) = each %$want) {
…		…
3182	sub reload_config {	3361	sub reload_config {
3183	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
3184	or return;	3363	or return;
3185		3364
3186	local $/;	3365	local $/;
3187	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
3188		3367
3189	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
3190		3369
3191	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3192	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3204	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
3205	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3207	(async {	3386	(async {
3208	$Coro::current->{desc} = "IDLE BUG HANDLER";	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
3209	Event::one_event;	3388	EV::loop EV::LOOP_ONESHOT;
3210	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
3211	};	3390	};
3212		3391
3213	reload_config;	3392	reload_config;
3214	db_init;	3393	db_init;
3215	load_extensions;	3394	load_extensions;
3216		3395
3217	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
3218	Event::loop;	3398	EV::loop;
3219	}	3399	}
3220		3400
3221	#############################################################################	3401	#############################################################################
3222	# initialisation and cleanup	3402	# initialisation and cleanup
3223		3403
3224	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
3225	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
3226	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
3227	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3228	reentrant => 0,
3229	data => WF_AUTOCANCEL,
3230	signal => $signal,
3231	prio => 0,
3232	cb => sub {
3233	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
3234	},
3235	);	3410	};
3236	}	3411	}
3237	}	3412	}
3238		3413
3239	sub write_runtime {	3414	sub write_runtime_sync {
3240	my $runtime = "$LOCALDIR/runtime";	3415	my $runtime = "$LOCALDIR/runtime";
3241		3416
3242	# first touch the runtime file to show we are still running:	3417	# first touch the runtime file to show we are still running:
3243	# the fsync below can take a very very long time.	3418	# the fsync below can take a very very long time.
3244		3419
…		…
3270	and return;	3445	and return;
3271		3446
3272	warn "runtime file written.\n";	3447	warn "runtime file written.\n";
3273		3448
3274	1	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip \|\|= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
3275	}	3493	}
3276		3494
3277	sub emergency_save() {	3495	sub emergency_save() {
3278	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
3279		3497
…		…
3301	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
3302		3520
3303	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
3304	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
3305	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
3306	};	3528	};
3307		3529
3308	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
3309	}	3531	}
3310		3532
…		…
3325	warn "reloading...";	3547	warn "reloading...";
3326		3548
3327	warn "entering sync_job";	3549	warn "entering sync_job";
3328		3550
3329	cf::sync_job {	3551	cf::sync_job {
3330	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
3331	cf::emergency_save;	3553	cf::emergency_save;
3332	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
3333		3555
3334	warn "syncing database to disk";	3556	warn "syncing database to disk";
3335	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
3336		3558
3337	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
3338
3339	warn "cancelling all WF_AUTOCANCEL watchers";
3340	for (Event::all_watchers) {
3341	$_->cancel if $_->data & WF_AUTOCANCEL;
3342	}
3343		3560
3344	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
3345	for (;;) {	3562	for (;;) {
3346	BDB::flush;	3563	BDB::flush;
3347	IO::AIO::flush;	3564	IO::AIO::flush;
3348	Coro::cede;	3565	Coro::cede_notself;
3349	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3566	last unless IO::AIO::nreqs \|\| BDB::nreqs;
3350	warn "iterate...";	3567	warn "iterate...";
3351	}	3568	}
3352		3569
3353	++$RELOAD;	3570	++$RELOAD;
…		…
3429	warn "leaving sync_job";	3646	warn "leaving sync_job";
3430		3647
3431	1	3648	1
3432	} or do {	3649	} or do {
3433	warn $@;	3650	warn $@;
3434	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
3435	exit 1;
3436	};	3652	};
3437		3653
3438	warn "reloaded";	3654	warn "reloaded";
3439	};	3655	};
3440		3656
…		…
3442		3658
3443	sub reload_perl() {	3659	sub reload_perl() {
3444	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
3445	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
3446		3662
3447	$RELOAD_WATCHER \|\|= Event->timer (	3663	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {
3448	reentrant => 0,
3449	after => 0,
3450	data => WF_AUTOCANCEL,
3451	cb => sub {
3452	do_reload_perl;	3664	do_reload_perl;
3453	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
3454	},
3455	);	3666	};
3456	}	3667	}
3457		3668
3458	register_command "reload" => sub {	3669	register_command "reload" => sub {
3459	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
3460		3671
…		…
3473		3684
3474	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
3475	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
3476		3687
3477	sub wait_for_tick {	3688	sub wait_for_tick {
3478	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
3479	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
3480		3691
3481	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
3482	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
3483	$signal->wait;	3694	$signal->wait;
3484	}	3695	}
3485		3696
3486	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
3487	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
3488	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
3489		3700
3490	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
3491	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
3492	$signal->wait;	3703	$signal->wait;
3493	}	3704	}
3494		3705
3495	$TICK_WATCHER = Event->timer (	3706	sub tick {
3496	reentrant => 0,
3497	parked => 1,
3498	prio => 0,
3499	at => $NEXT_TICK \|\| $TICK,
3500	data => WF_AUTOCANCEL,
3501	cb => sub {
3502	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3504	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
3505	return;	3710	return;
3506	}	3711	}
3507		3712
3508	$NOW = $tick_start = Event::time;
3509
3510	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
3511		3714
3512	$RUNTIME += $TICK;
3513	$NEXT_TICK += $TICK;
3514
3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3516	$NEXT_RUNTIME_WRITE = $NOW + 10;	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3517	Coro::async_pool {	3717	Coro::async_pool {
3518	$Coro::current->{desc} = "runtime saver";	3718	$Coro::current->{desc} = "runtime saver";
3519	write_runtime	3719	write_runtime_sync
3520	or warn "ERROR: unable to write runtime file: $!";	3720	or warn "ERROR: unable to write runtime file: $!";
3521	};
3522	}	3721	};
		3722	}
3523		3723
3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3525	$sig->send;	3725	$sig->send;
3526	}	3726	}
3527	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
3528	$sig->send;	3728	$sig->send;
3529	}	3729	}
3530		3730
3531	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
3532
3533	# if we are delayed by four ticks or more, skip them all
3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3535
3536	$TICK_WATCHER->at ($NEXT_TICK);
3537	$TICK_WATCHER->start;
3538
3539	$LOAD = ($NOW - $tick_start) / $TICK;
3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3541		3733
3542	_post_tick;	3734	if (0) {
		3735	if ($NEXT_TICK) {
		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
3543	},	3740	}
3544	);	3741	}
3545		3742
3546	{	3743	{
		3744	# configure BDB
		3745
3547	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
3548	BDB::max_poll_time $TICK * 0.1;	3747	BDB::max_poll_reqs $TICK * 0.1;
3549	$BDB_POLL_WATCHER = Event->io (	3748	$Coro::BDB::WATCHER->priority (1);
3550	reentrant => 0,
3551	fd => BDB::poll_fileno,
3552	poll => 'r',
3553	prio => 0,
3554	data => WF_AUTOCANCEL,
3555	cb => \&BDB::poll_cb,
3556	);
3557
3558	BDB::set_sync_prepare {
3559	my $status;
3560	my $current = $Coro::current;
3561	(
3562	sub {
3563	$status = $!;
3564	$current->ready; undef $current;
3565	},
3566	sub {
3567	Coro::schedule while defined $current;
3568	$! = $status;
3569	},
3570	)
3571	};
3572		3749
3573	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
3574	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC
3576	\| BDB::LOG_AUTOREMOVE, 1);	3753	\| BDB::LOG_AUTOREMOVE, 1);
…		…
3591		3768
3592	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
3593	};	3770	};
3594	}	3771	}
3595		3772
3596	$BDB_DEADLOCK_WATCHER = Event->timer (	3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3597	after => 3,
3598	interval => 1,
3599	hard => 1,
3600	prio => 0,
3601	data => WF_AUTOCANCEL,
3602	cb => sub {
3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3604	},
3605	);	3775	};
3606	$BDB_CHECKPOINT_WATCHER = Event->timer (	3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3607	after => 11,
3608	interval => 60,
3609	hard => 1,
3610	prio => 0,
3611	data => WF_AUTOCANCEL,
3612	cb => sub {
3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3614	},
3615	);	3778	};
3616	$BDB_TRICKLE_WATCHER = Event->timer (	3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3617	after => 5,
3618	interval => 10,
3619	hard => 1,
3620	prio => 0,
3621	data => WF_AUTOCANCEL,
3622	cb => sub {
3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3624	},
3625	);	3781	};
3626	}	3782	}
3627		3783
3628	{	3784	{
		3785	# configure IO::AIO
		3786
3629	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
3630
3631	undef $Coro::AIO::WATCHER;
3632	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
3633	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
3634	reentrant => 0,
3635	data => WF_AUTOCANCEL,
3636	fd => IO::AIO::poll_fileno,
3637	poll => 'r',
3638	prio => 0,
3639	cb => \&IO::AIO::poll_cb,
3640	);
3641	}	3790	}
3642		3791
3643	my $_log_backtrace;	3792	my $_log_backtrace;
3644		3793
3645	sub _log_backtrace {	3794	sub _log_backtrace {

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+Removed lines
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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC vs. Revision 1.419 by root, Sun Apr 13 01:34:09 2008 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 2008 UTC