ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
27		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		43
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
34		46
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
37	our %COMMAND = ();	51	our %COMMAND = ();
38	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
39		53
40	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
44		59
		60	our $RELOAD; # number of reloads so far
45	our @EVENT;	61	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		62
48	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $TICK_WATCHER;	76	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	79	our $NEXT_TICK;
53	our $NOW;	80	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		82
56	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
62	our $RUNTIME;	89	our $RUNTIME;
63		90
64	our %PLAYER; # all users	91	our %PLAYER; # all users
65	our %MAP; # all maps	92	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		94
73	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
76	binmode STDOUT;	102	binmode STDOUT;
77	binmode STDERR;	103	binmode STDERR;
78		104
79	# read virtual server time, if available	105	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
84	}	110	}
85		111
86	mkdir cf::localdir;	112	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		114
93	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
94		116
95	sub cf::map::normalise;	117	sub cf::map::normalise;
96		118
…		…
107	=item $cf::RUNTIME	129	=item $cf::RUNTIME
108		130
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	132	every server tick.
111		133
112	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		137
114	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
116		142
117	=item $cf::NOW	143	=item $cf::NOW
118		144
119	The time of the last (current) server tick.	145	The time of the last (current) server tick.
120		146
121	=item $cf::TICK	147	=item $cf::TICK
122		148
123	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
124		160
125	=item %cf::CFG	161	=item %cf::CFG
126		162
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	164	from wherever your confdir points to.
129		165
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		167
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
136		177
137	=back	178	=back
138		179
139	=cut	180	=cut
140		181
141	BEGIN {	182	BEGIN {
142	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	184	my $msg = join "", @_;
144	utf8::encode $msg;
145		185
146	$msg .= "\n"	186	$msg .= "\n"
147	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
148		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
149	LOG llevError, $msg;	192	LOG llevError, $msg;
150	};	193	};
151	}	194	}
152		195
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		203
160	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	205	# within the Safe compartment.
162	for my $pkg (qw(	206	for my $pkg (qw(
163	cf::global cf::attachable	207	cf::global cf::attachable
…		…
171	}	215	}
172		216
173	$Event::DIED = sub {	217	$Event::DIED = sub {
174	warn "error in event callback: @_";	218	warn "error in event callback: @_";
175	};	219	};
		220
		221	#############################################################################
176		222
177	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
178		224
179	=over 4	225	=over 4
180		226
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	246	$d
201	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
202	}	248	}
203		249
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
207		251
208	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
209		253
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
218		255
219	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
220		257
221	=cut	258	=cut
222		259
223	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
225	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
227		264
228	=item cf::lock_wait $string	265	=item cf::lock_wait $string
229		266
230	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
231		268
…		…
237	returned.	274	returned.
238		275
239	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
241		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
242	=cut	283	=cut
243		284
244	our %LOCK;	285	our %LOCK;
245		286
246	sub lock_wait($) {	287	sub lock_wait($) {
…		…
265	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
267	}	308	}
268	}	309	}
269		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
270	sub freeze_mainloop {	317	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
272		319
273	my $guard = Coro::guard {	320	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	322	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
279	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
280	}	375	}
281		376
282	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
283		378
284	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		384
290	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
291		386
292	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
293		388
294	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
297		393
298	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
301	fast or be very important.	397	fast or be very important.
…		…
304		400
305	sub sync_job(&) {	401	sub sync_job(&) {
306	my ($job) = @_;	402	my ($job) = @_;
307		403
308	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
309	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
311		409
312	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
324		422
325	while ($busy) {	423	while ($busy) {
326	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
327	}	425	}
328		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
329	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
330	} else {	435	} else {
331	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
332		437
333	$job->()	438	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
353		458
354	$coro	459	$coro
355	}	460	}
356		461
357	sub write_runtime {	462	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		463
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	464	Executes the given code block with the given arguments in a seperate
361	or return;	465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
362		468
363	my $value = $cf::RUNTIME + 90 + 10;	469	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		470
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	471	sub _store_scalar {
368	and return;	472	open my $fh, ">", \my $buf
369		473	or die "fork_call: cannot open fh-to-buf in child : $!";
370	# always fsync - this file is important	474	Storable::store_fd $_[0], $fh;
371	aio_fsync $fh
372	and return;
373
374	close $fh	475	close $fh;
375	or return;
376		476
377	aio_rename "$runtime~", $runtime	477	$buf
378	and return;	478	}
379		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
380	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
		638	}
		639
		640	=item cf::datalog type => key => value, ...
		641
		642	Log a datalog packet of the given type with the given key-value pairs.
		643
		644	=cut
		645
		646	sub datalog($@) {
		647	my ($type, %kv) = @_;
		648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	649	}
382		650
383	=back	651	=back
384		652
385	=cut	653	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
394		662
395	In the following description, CLASS can be any of C<global>, C<object>	663	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	665	Crossfire TRT).
398		666
399	=over 4	667	=over 4
400		668
401	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
402		670
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
566		834
567	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		839
572	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	841	my $pkg = shift @arg;
574		842
575	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
605	}	873	}
606		874
607	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
608	} else {	876	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	878	}
611		879
612	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
613	}	881	}
614		882
…		…
616	if (ref $_[0]) {	884	if (ref $_[0]) {
617	_object_attach @_;	885	_object_attach @_;
618	} else {	886	} else {
619	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
620	}	888	}
		889	_recalc_want;
621	};	890	};
622		891
623	# all those should be optimised	892	# all those should be optimised
624	sub cf::attachable::detach {	893	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
629	reattach ($obj);	898	reattach ($obj);
630	} else {	899	} else {
631	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
632	}	901	}
		902	_recalc_want;
633	};	903	};
634		904
635	sub cf::attachable::attached {	905	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
637		907
…		…
652	";	922	";
653	die if $@;	923	die if $@;
654	}	924	}
655		925
656	our $override;	926	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		928
659	sub override {	929	sub override {
660	$override = 1;	930	$override = 1;
661	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
662	}	932	}
663		933
664	sub do_invoke {	934	sub do_invoke {
665	my $event = shift;	935	my $event = shift;
666	my $callbacks = shift;	936	my $callbacks = shift;
667		937
668	@invoke_results = ();	938	@INVOKE_RESULTS = ();
669		939
670	local $override;	940	local $override;
671		941
672	for (@$callbacks) {	942	for (@$callbacks) {
673	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
690		960
691	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
692		962
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	964	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		966
697	=back	967	=back
698		968
699	=cut	969	=cut
700		970
701	#############################################################################	971	#############################################################################
702	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
703		984
704	sub reattach {	985	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	987	my ($obj) = @_;
707		988
…		…
784	}	1065	}
785	} else {	1066	} else {
786	aio_unlink $filename;	1067	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1068	aio_unlink "$filename.pst";
788	}	1069	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1070	}
796	}	1071	}
797		1072
798	sub object_freezer_as_string {	1073	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1074	my ($rdata, $objs) = @_;
…		…
805		1080
806	sub object_thawer_load {	1081	sub object_thawer_load {
807	my ($filename) = @_;	1082	my ($filename) = @_;
808		1083
809	my ($data, $av);	1084	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1085
814	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
815	or return;	1087	or return;
816		1088
817	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
…		…
819	or return;	1091	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1093	}
822		1094
823	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	1097	return ($data, $av);
826	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
827		1105
828	#############################################################################	1106	#############################################################################
829	# command handling &c	1107	# command handling &c
830		1108
831	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1123	}
846		1124
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1126
849	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
850		1132
851	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
852	called.	1134	called.
853		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
854	=cut	1147	=cut
855		1148
856	sub register_extcmd {	1149	sub register_extcmd {
857	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
858		1151
859	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
860	}	1159	}
861		1160
862	cf::player->attach (	1161	cf::player->attach (
863	on_command => sub {	1162	on_command => sub {
864	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1172	cf::override;
874	},	1173	},
875	on_extcmd => sub {	1174	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
877		1176
878	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1178
880	if (ref $msg) {	1179	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
889		1188
890	cf::override;	1189	cf::override;
891	},	1190	},
892	);	1191	);
893		1192
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
929	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1198	next unless -r $path;
931	eval {	1199
932	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
933	1	1257	}
934	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
935	}	1263	};
936	}	1264	}
937		1265
938	#############################################################################	1266	#############################################################################
939		1267
		1268	=back
		1269
940	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
941		1271
942	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
943		1273
944	=cut	1274	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
957		1287
958	=cut	1288	=cut
959		1289
960	sub playerdir($) {	1290	sub playerdir($) {
961	cf::localdir	1291	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1293	}
967		1294
968	sub path($) {	1295	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1297
971	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
972	}	1299	}
973		1300
974	sub find_active($) {	1301	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1316	my $login = $_[0];
990		1317
991	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
992		1319
993	$cf::PLAYER{$_[0]} || do {	1320	$cf::PLAYER{$_[0]} || do {
		1321	# rename old playerfiles to new ones
		1322	#TODO: remove when no longer required
		1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1326	aio_unlink +(playerdir $login) . "/$login.pl";
		1327
994	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
995	or return;	1329	or return;
996	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
997	}	1331	}
998	}	1332	}
…		…
1035		1369
1036	=cut	1370	=cut
1037		1371
1038	sub quit_character {	1372	sub quit_character {
1039	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1040		1376
1041	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1378	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1379
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1389	$pl->destroy;
		1390
		1391	my $prefix = qr<^~\Q$name\E/>;
		1392
		1393	# nuke player maps
		1394	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1395
1054	IO::AIO::aio_rmtree $temp;	1396	IO::AIO::aio_rmtree $temp;
		1397	}
		1398
		1399	=item $pl->kick
		1400
		1401	Kicks a player out of the game. This destroys the connection.
		1402
		1403	=cut
		1404
		1405	sub kick {
		1406	my ($pl, $kicker) = @_;
		1407
		1408	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1409	$pl->killer ("kicked");
		1410	$pl->ns->destroy;
1055	}	1411	}
1056		1412
1057	=item cf::player::list_logins	1413	=item cf::player::list_logins
1058		1414
1059	Returns am arrayref of all valid playernames in the system, can take a	1415	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1061		1417
1062	=cut	1418	=cut
1063		1419
1064	sub list_logins {	1420	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1422	or return [];
1067		1423
1068	my @logins;	1424	my @logins;
1069		1425
1070	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1105	}	1461	}
1106		1462
1107	\@paths	1463	\@paths
1108	}	1464	}
1109		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1111		1517
1112	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1113		1519
1114	=cut	1520	=cut
1115		1521
1116	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1117	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1118		1524
1119	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1120		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1527	}
1123		1528
1124	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		1536	my ($self, $type, %msg) = @_;
		1537
		1538	$self->ns->ext_event ($type, %msg);
		1539	}
		1540
		1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1125		1569
1126	=back	1570	=back
1127
1128		1571
1129	=head3 cf::map	1572	=head3 cf::map
1130		1573
1131	=over 4	1574	=over 4
1132		1575
…		…
1187	my ($self, $merge) = @_;	1630	my ($self, $merge) = @_;
1188		1631
1189	# we have to keep some variables in memory intact	1632	# we have to keep some variables in memory intact
1190	local $self->{path};	1633	local $self->{path};
1191	local $self->{load_path};	1634	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1635
1195	$self->SUPER::thawer_merge ($merge);	1636	$self->SUPER::thawer_merge ($merge);
1196	}	1637	}
1197		1638
1198	sub normalise {	1639	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1246	return $self;	1687	return $self;
1247	}	1688	}
1248	}	1689	}
1249		1690
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1692	()
1252	}	1693	}
1253		1694
1254	sub init {	1695	sub init {
1255	my ($self) = @_;	1696	my ($self) = @_;
…		…
1270		1711
1271	# the original (read-only) location	1712	# the original (read-only) location
1272	sub load_path {	1713	sub load_path {
1273	my ($self) = @_;	1714	my ($self) = @_;
1274		1715
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1716	"$MAPDIR/$self->{path}.map"
1276	}	1717	}
1277		1718
1278	# the temporary/swap location	1719	# the temporary/swap location
1279	sub save_path {	1720	sub save_path {
1280	my ($self) = @_;	1721	my ($self) = @_;
1281		1722
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1724	"$TMPDIR/$path.map"
1284	}	1725	}
1285		1726
1286	# the unique path, undef == no special unique path	1727	# the unique path, undef == no special unique path
1287	sub uniq_path {	1728	sub uniq_path {
1288	my ($self) = @_;	1729	my ($self) = @_;
1289		1730
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1732	"$UNIQUEDIR/$path"
1292	}	1733	}
1293		1734
1294	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1295	# all maps in C++...	1736	# all maps in C++...
1296	sub change_all_map_light {	1737	sub change_all_map_light {
…		…
1298		1739
1299	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1301	}	1742	}
1302		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
		1750	}
		1751
1303	sub unlink_save {	1752	sub unlink_save {
1304	my ($self) = @_;	1753	my ($self) = @_;
1305		1754
1306	utf8::encode (my $save = $self->save_path);	1755	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1756	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1757	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1758	}
1315		1759
1316	sub load_header_from($) {	1760	sub load_header_from($) {
1317	my ($self, $path) = @_;	1761	my ($self, $path) = @_;
1318		1762
…		…
1368	$self->load_header_orig	1812	$self->load_header_orig
1369	or return;	1813	or return;
1370	$self->prepare_orig;	1814	$self->prepare_orig;
1371	}	1815	}
1372		1816
		1817	$self->{deny_reset} = 1
		1818	if $self->no_reset;
		1819
		1820	$self->default_region (cf::region::find_by_path $self->{path})
		1821	unless $self->default_region;
		1822
1373	1	1823	1
1374	}	1824	}
1375		1825
1376	sub find;	1826	sub find;
1377	sub find {	1827	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1390		1840
1391	$map->load_header	1841	$map->load_header
1392	or return;	1842	or return;
1393		1843
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1845	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1846	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1847	$map->reset;
1398	undef $guard;	1848	undef $guard;
1399	return find $path;	1849	return find $path;
…		…
1410	my ($self) = @_;	1860	my ($self) = @_;
1411		1861
1412	local $self->{deny_reset} = 1; # loading can take a long time	1862	local $self->{deny_reset} = 1; # loading can take a long time
1413		1863
1414	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1867	my $guard = cf::lock_acquire "map_load:$path";
1416		1868
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1870
1419	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1420		1872
1421	$self->alloc;	1873	$self->alloc;
1422		1874
1423	$self->pre_load;	1875	$self->pre_load;
1424
1425	$self->_load_objects ($self->{load_path}, 1)
1426	or return;
1427
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};
1430
1431	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {
1434	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);
1436	}
1437	}
1438
1439	Coro::cede;
1440
1441	# now do the right thing for maps
1442	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;	1876	Coro::cede;
1449	$self->set_darkness_map;	1877
		1878	$self->_load_objects ($self->{load_path}, 1)
		1879	or return;
		1880
		1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1882	if delete $self->{load_original};
		1883
		1884	if (my $uniq = $self->uniq_path) {
		1885	utf8::encode $uniq;
		1886	if (aio_open $uniq, O_RDONLY, 0) {
		1887	$self->clear_unique_items;
		1888	$self->_load_objects ($uniq, 0);
		1889	}
		1890	}
		1891
		1892	Coro::cede;
		1893	# now do the right thing for maps
		1894	$self->link_multipart_objects;
1450	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1896	unless $self->difficulty;
1452	Coro::cede;	1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1453	$self->activate;	1906	$self->activate;
		1907	}
		1908
		1909	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1910	}
1455		1911
1456	$self->post_load;	1912	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1913	}
1460		1914
1461	sub customise_for {	1915	sub customise_for {
1462	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1463		1917
1464	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
1466		1923
1467	$self	1924	$self
1468	}	1925	}
1469		1926
1470	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
…		…
1517		1974
1518	undef $MAP_PREFETCH{$path};	1975	undef $MAP_PREFETCH{$path};
1519	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	1978	for my $path (keys %MAP_PREFETCH) {
1522	my $map = find $path	1979	if (my $map = find $path) {
1523	or next;
1524	$map->load;	1980	$map->load;
		1981	}
1525		1982
1526	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$path};
1527	}	1984	}
1528	}	1985	}
1529	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
…		…
1581		2038
1582	sub reset_at {	2039	sub reset_at {
1583	my ($self) = @_;	2040	my ($self) = @_;
1584		2041
1585	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1588		2044
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2047
…		…
1602	my ($self) = @_;	2058	my ($self) = @_;
1603		2059
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2061
1606	return if $self->players;	2062	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2063
1609	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1610		2075
1611	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1612		2077
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2078	$self->clear;
1615		2079
1616	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1617		2081
1618	$self->unlink_save;	2082	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1638		2102
1639	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1640	}	2104	}
1641		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1642	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1643		2143
1644	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2145	instantiated unique items. May block.
1646		2146
1647	=cut	2147	=cut
1648		2148
1649	sub unique_maps() {	2149	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1651	or return;	2151	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2152	utf8::decode $_;
1657	next if /\.pst$/;	2153	/\.map$/
1658	next unless /^$PATH_SEP/o;	2154	? normalise $_
1659		2155	: ()
1660	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2157	]
1662
1663	\@paths
1664	}	2158	}
1665		2159
1666	package cf;	2160	package cf;
1667		2161
1668	=back	2162	=back
…		…
1714		2208
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2210
1717	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1719	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1722	}	2230	}
1723	}	2231	}
1724		2232
1725	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1726		2234
…		…
1774	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1775		2283
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2285
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1780		2288
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2290	}
1783		2291
1784	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1786		2296
1787	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1788		2298
1789	unless ($map) {	2299	unless ($map) {
1790	# restore original map position	2300	# restore original map position
…		…
1808	$map->load;	2318	$map->load;
1809	$map->load_diag;	2319	$map->load_diag;
1810		2320
1811	return unless $self->contr->active;	2321	return unless $self->contr->active;
1812	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1814	}	2326	}
1815		2327
1816	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2329
1820	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1824	};	2334	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2335
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1851		2339
1852	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2345
1855	$self->enter_link;	2346	$self->enter_link;
1856		2347
1857	(async {	2348	(async {
1858	my $map = eval {	2349	my $map = eval {
1859	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1861	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2365	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1866	})->prio (1);	2373	})->prio (1);
1867	}	2374	}
1868		2375
1869	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1870		2377
…		…
1909		2416
1910	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1911		2418
1912	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1915		2422
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2425	undef $fh;
1919	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1928		2435
1929	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1930		2437
1931	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1934	}	2443	}
1935		2444
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1939		2448
1940	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1941		2454
1942	(async {	2455	(async {
1943	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2457	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1946		2459
1947	1;	2460	1;
1948	}) {	2461	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2466
1954	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2468	$self->leave_link;
1956	}	2469	}
1957	})->prio (1);	2470	})->prio (1);
…		…
1970		2483
1971	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1973		2486
1974	utf8::encode $text;	2487	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2489	}
1977		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
		2543	=item $client->ext_event ($type, %msg)
		2544
		2545	Sends an ext event to the client.
		2546
		2547	=cut
		2548
		2549	sub cf::client::ext_event($$%) {
		2550	my ($self, $type, %msg) = @_;
		2551
		2552	return unless $self->extcmd;
		2553
		2554	$msg{msgtype} = "event_$type";
		2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2556	}
1978		2557
1979	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1980		2559
1981	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2561	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2563
1985	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2565	become reliable at some point in the future.
1987		2566
1988	=cut	2567	=cut
1989		2568
1990	sub cf::client::query {	2569	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2578	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2580
2002	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
2004	}	2585	}
2005		2586
2006	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
2007	on_reply => sub {	2593	on_reply => sub {
2008	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
2009		2595
2010	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
2011	# get handled first	2597	# get handled first
…		…
2023	} else {	2609	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2611	}
2026	}	2612	}
2027	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
2028	);	2632	);
2029		2633
2030	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
2031		2635
2032	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2079		2683
2080	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
2081		2685
2082	=pod	2686	=pod
2083		2687
2084	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2085		2689
2086	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
2087	cf::object::player player	2694	cf::object::player
2088	cf::player peaceful	2695	player
2089	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2090		2702
2091	=cut	2703	=cut
2092		2704
2093	for (	2705	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2095	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2098	) {	2711	) {
2099	no strict 'refs';	2712	no strict 'refs';
…		…
2170	=back	2783	=back
2171		2784
2172	=cut	2785	=cut
2173		2786
2174	#############################################################################	2787	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2788	# the server's init and main functions
2284		2789
2285	sub load_resources {	2790	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2791	my ($path) = @_;
		2792
		2793	warn "loading facedata from $path\n";
		2794
		2795	my $facedata;
		2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
		2798
		2799	$facedata = Coro::Storable::thaw $facedata;
		2800
		2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2803
		2804	{
		2805	my $faces = $facedata->{faceinfo};
		2806
		2807	while (my ($face, $info) = each %$faces) {
		2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
		2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2813
		2814	cf::cede_to_tick;
		2815	}
		2816
		2817	while (my ($face, $info) = each %$faces) {
		2818	next unless $info->{smooth};
		2819	my $idx = cf::face::find $face
		2820	or next;
		2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
		2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2824	} else {
		2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2826	}
		2827
		2828	cf::cede_to_tick;
		2829	}
		2830	}
		2831
		2832	{
		2833	my $anims = $facedata->{animinfo};
		2834
		2835	while (my ($anim, $info) = each %$anims) {
		2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871	}
		2872
		2873	1
		2874	}
		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
		2906	sub reload_resources {
		2907	warn "reloading resource files...\n";
		2908
		2909	reload_regions;
		2910	reload_facedata;
		2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
		2916	}
		2917
		2918	sub init {
		2919	reload_resources;
2288	}	2920	}
2289		2921
2290	sub cfg_load {	2922	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2924	or return;
2293		2925
2294	local $/;	2926	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2296		2928
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2936	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	2937	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	2938	};
2307	warn $@ if $@;	2939	warn $@ if $@;
2308	}	2940	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	2941	}
2314		2942
2315	sub main {	2943	sub main {
2316	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
…		…
2320	Event::one_event;	2948	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	2949	})->prio (Coro::PRIO_MAX);
2322	};	2950	};
2323		2951
2324	cfg_load;	2952	cfg_load;
2325	db_load;	2953	db_init;
2326	load_extensions;	2954	load_extensions;
2327		2955
2328	$TICK_WATCHER->start;	2956	$TICK_WATCHER->start;
2329	Event::loop;	2957	Event::loop;
2330	}	2958	}
…		…
2345	},	2973	},
2346	);	2974	);
2347	}	2975	}
2348	}	2976	}
2349		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
		3014	}
		3015
2350	sub emergency_save() {	3016	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2352		3018
2353	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2354		3020
…		…
2369	my $map = $cf::MAP{$path} or next;	3035	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3036	$map->valid or next;
2371	$map->save;	3037	$map->save;
2372	}	3038	}
2373	warn "end emergency map save\n";	3039	warn "end emergency map save\n";
		3040
		3041	warn "begin emergency database checkpoint\n";
		3042	BDB::db_env_txn_checkpoint $DB_ENV;
		3043	warn "end emergency database checkpoint\n";
2374	};	3044	};
2375		3045
2376	warn "leave emergency perl save\n";	3046	warn "leave emergency perl save\n";
2377	}	3047	}
2378		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2379	sub reload() {	3056	sub do_reload_perl() {
2380	# can/must only be called in main	3057	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3059	warn "can only reload from main coroutine";
2383	return;	3060	return;
2384	}	3061	}
2385		3062
2386	warn "reloading...";	3063	warn "reloading...";
2387		3064
2388	warn "cancelling server ticker";	3065	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2392		3071
2393	eval {	3072	warn "syncing database to disk";
		3073	BDB::db_env_txn_checkpoint $DB_ENV;
		3074
2394	# if anything goes wrong in here, we should simply crash as we already saved	3075	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3076
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3080	}
2403		3081
2404	warn "flushing outstanding aio requests";	3082	warn "flushing outstanding aio requests";
2405	for (;;) {	3083	for (;;) {
		3084	BDB::flush;
2406	IO::AIO::flush;	3085	IO::AIO::flush;
2407	Coro::cede;	3086	Coro::cede;
2408	last unless IO::AIO::nreqs;	3087	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3088	warn "iterate...";
2410	}	3089	}
		3090
		3091	++$RELOAD;
2411		3092
2412	warn "cancelling all extension coros";	3093	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3095	%EXT_CORO = ();
2415		3096
2416	warn "removing commands";	3097	warn "removing commands";
2417	%COMMAND = ();	3098	%COMMAND = ();
2418		3099
2419	warn "removing ext commands";	3100	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2421		3103
2422	warn "unloading/nuking all extensions";	3104	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2425		3107
…		…
2455	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3139
2458	warn "unloading cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2460		3143
2461	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3145	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2464		3147
…		…
2468	require cf;	3151	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3153
2471	warn "loading config and database again";	3154	warn "loading config and database again";
2472	cf::cfg_load;	3155	cf::cfg_load;
2473	cf::db_load;
2474		3156
2475	warn "loading extensions";	3157	warn "loading extensions";
2476	cf::load_extensions;	3158	cf::load_extensions;
2477		3159
2478	warn "reattaching attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3161	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3162	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
		3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2482		3166
2483	warn "loading reloadable resources";	3167	warn "leaving sync_job";
2484	load_resources;
2485		3168
2486	warn "restarting server ticker";	3169	1
2487		3170	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3171	warn $@;
2493	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2494	exit 1;	3173	exit 1;
2495	}	3174	};
2496		3175
2497	warn "reloaded";	3176	warn "reloaded";
2498	};	3177	};
2499		3178
2500	our $RELOAD_WATCHER; # used only during reload	3179	our $RELOAD_WATCHER; # used only during reload
2501		3180
		3181	sub reload_perl() {
		3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
		3184
		3185	$RELOAD_WATCHER ||= Event->timer (
		3186	reentrant => 0,
		3187	after => 0,
		3188	data => WF_AUTOCANCEL,
		3189	cb => sub {
		3190	do_reload_perl;
		3191	undef $RELOAD_WATCHER;
		3192	},
		3193	);
		3194	}
		3195
2502	register_command "reload" => sub {	3196	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2504		3198
2505	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3200	$who->message ("reloading server.");
2507		3201	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3202	}
2521	};	3203	};
2522		3204
2523	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2524		3206
2525	my $bug_warning = 0;	3207	my $bug_warning = 0;
2526		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3233	reentrant => 0,
2529	parked => 1,	3234	parked => 1,
2530	prio => 0,	3235	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3241	unless ++$bug_warning > 10;
2537	return;	3242	return;
2538	}	3243	}
2539		3244
2540	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2541		3246
2542	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2543	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2545		3274
2546	$WAIT_FOR_TICK->broadcast;	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3277	Coro::async_pool {
2549	Event::sweep;	3278	write_runtime
2550	Coro::cede_notself;	3279	or warn "ERROR: unable to write runtime file: $!";
		3280	};
2551		3281	}
		3282
2552	# my $AFTER = Event::time;	3283	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3284	# warn $AFTER - $NOW;#d#
2554		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
		3294
2555	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3297
2558	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2560	},	3307	},
2561	);	3308	);
2562		3309
2563	{	3310	{
2564	BDB::max_poll_time $TICK * 0.1;	3311	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3336
2590	unless ($DB_ENV) {	3337	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3338	$DB_ENV = BDB::db_env_create;
2592		3339
2593	cf::sync_job {	3340	cf::sync_job {
		3341	eval {
2594	BDB::db_env_open	3342	BDB::db_env_open
2595	$DB_ENV,	3343	$DB_ENV,
2596	$BDB_ENV_DIR,	3344	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3347	0666;
2600		3348
2601	cf::cleanup "$!" if $!;	3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3350
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604	$DB_ENV->set_lk_detect;	3352	$DB_ENV->set_lk_detect;
		3353	};
		3354
		3355	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3356	};
2606	}	3357	}
2607	}	3358	}
2608		3359
2609	{	3360	{
…		…
2611		3362
2612	undef $Coro::AIO::WATCHER;	3363	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3364	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3365	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3366	reentrant => 0,
		3367	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3368	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3369	poll => 'r',
2618	prio => 6,	3370	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3371	cb => \&IO::AIO::poll_cb,
2621	);	3372	);
2622	}	3373	}
2623		3374
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3375	my $_log_backtrace;
2625	reentrant => 0,	3376
2626	data => WF_AUTOCANCEL,	3377	sub _log_backtrace {
2627	after => 1,	3378	my ($msg, @addr) = @_;
2628	interval => 10,	3379
2629	prio => 6, # keep it lowest so it acts like a watchdog	3380	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3381
2631	write_runtime	3382	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
		3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3410	}
2634	);	3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
2635		3415
2636	END { cf::emergency_save }	3416	END { cf::emergency_save }
2637		3417
2638	1	3418	1
2639		3419

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines