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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 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;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$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
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	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(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		82
59	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	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
113	every server tick.	132	every server tick.
114		133
115	=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
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	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.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	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
136	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
137	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.
138	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.
139		177
140	=back	178	=back
141		179
142	=cut	180	=cut
143		181
144	BEGIN {	182	BEGIN {
145	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	184	my $msg = join "", @_;
147	utf8::encode $msg;
148		185
149	$msg .= "\n"	186	$msg .= "\n"
150	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
151		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		203
163	# 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
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$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;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
240	returned.	274	returned.
241		275
242	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
243	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
244		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
245	=cut	283	=cut
246		284
247	our %LOCK;	285	our %LOCK;
248		286
249	sub lock_wait($) {	287	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
270	}	308	}
271	}	309	}
272		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
273	sub freeze_mainloop {	317	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
275		319
276	my $guard = Coro::guard {	320	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	322	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
282	$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	$sig->wait;
283	}	375	}
284		376
285	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
286		378
287	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		384
293	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
294		386
295	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
296		388
297	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
300		393
301	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
304	fast or be very important.	397	fast or be very important.
…		…
307		400
308	sub sync_job(&) {	401	sub sync_job(&) {
309	my ($job) = @_;	402	my ($job) = @_;
310		403
311	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
312	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
314		409
315	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
327		422
328	while ($busy) {	423	while ($busy) {
329	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
330	}	425	}
331		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
332	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
333	} else {	435	} else {
334	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
335		437
336	$job->()	438	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
356		458
357	$coro	459	$coro
358	}	460	}
359		461
360	sub write_runtime {	462	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		463
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	464	Executes the given code block with the given arguments in a seperate
364	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.
365		468
366	my $value = $cf::RUNTIME + 90 + 10;	469	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		470
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	471	sub _store_scalar {
371	and return;	472	open my $fh, ">", \my $buf
372		473	or die "fork_call: cannot open fh-to-buf in child : $!";
373	# always fsync - this file is important	474	Storable::store_fd $_[0], $fh;
374	aio_fsync $fh
375	and return;
376
377	close $fh	475	close $fh;
378	or return;
379		476
380	aio_rename "$runtime~", $runtime	477	$buf
381	and return;	478	}
382		479
		480	sub fork_call(&@) {
		481	my ($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 $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
383	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		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 });
384	}	649	}
385		650
386	=back	651	=back
387		652
388	=cut	653	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
397		662
398	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>
399	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
400	crossfire+).	665	Crossfire TRT).
401		666
402	=over 4	667	=over 4
403		668
404	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
405		670
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
569		834
570	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		839
575	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	841	my $pkg = shift @arg;
577		842
578	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
608	}	873	}
609		874
610	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
611	} else {	876	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	878	}
614		879
615	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
616	}	881	}
617		882
…		…
619	if (ref $_[0]) {	884	if (ref $_[0]) {
620	_object_attach @_;	885	_object_attach @_;
621	} else {	886	} else {
622	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
623	}	888	}
		889	_recalc_want;
624	};	890	};
625		891
626	# all those should be optimised	892	# all those should be optimised
627	sub cf::attachable::detach {	893	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
632	reattach ($obj);	898	reattach ($obj);
633	} else {	899	} else {
634	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
635	}	901	}
		902	_recalc_want;
636	};	903	};
637		904
638	sub cf::attachable::attached {	905	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
640		907
…		…
655	";	922	";
656	die if $@;	923	die if $@;
657	}	924	}
658		925
659	our $override;	926	our $override;
660	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?
661		928
662	sub override {	929	sub override {
663	$override = 1;	930	$override = 1;
664	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
665	}	932	}
666		933
667	sub do_invoke {	934	sub do_invoke {
668	my $event = shift;	935	my $event = shift;
669	my $callbacks = shift;	936	my $callbacks = shift;
670		937
671	@invoke_results = ();	938	@INVOKE_RESULTS = ();
672		939
673	local $override;	940	local $override;
674		941
675	for (@$callbacks) {	942	for (@$callbacks) {
676	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
693		960
694	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
695		962
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		966
700	=back	967	=back
701		968
702	=cut	969	=cut
703		970
704	#############################################################################	971	#############################################################################
705	# 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	}
706		984
707	sub reattach {	985	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	987	my ($obj) = @_;
710		988
…		…
787	}	1065	}
788	} else {	1066	} else {
789	aio_unlink $filename;	1067	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1068	aio_unlink "$filename.pst";
791	}	1069	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1070	}
799	}	1071	}
800		1072
801	sub object_freezer_as_string {	1073	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1074	my ($rdata, $objs) = @_;
…		…
808		1080
809	sub object_thawer_load {	1081	sub object_thawer_load {
810	my ($filename) = @_;	1082	my ($filename) = @_;
811		1083
812	my ($data, $av);	1084	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1085
817	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
818	or return;	1087	or return;
819		1088
820	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
…		…
822	or return;	1091	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1093	}
825		1094
826	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	1097	return ($data, $av);
829	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
830		1105
831	#############################################################################	1106	#############################################################################
832	# command handling &c	1107	# command handling &c
833		1108
834	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1123	}
849		1124
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1126
852	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.
853		1132
854	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
855	called.	1134	called.
856		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
857	=cut	1147	=cut
858		1148
859	sub register_extcmd {	1149	sub register_extcmd {
860	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
861		1151
862	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
863	}	1159	}
864		1160
865	cf::player->attach (	1161	cf::player->attach (
866	on_command => sub {	1162	on_command => sub {
867	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1172	cf::override;
877	},	1173	},
878	on_extcmd => sub {	1174	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
880		1176
881	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1178
883	if (ref $msg) {	1179	if (ref $msg) {
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
885	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
886	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
892		1188
893	cf::override;	1189	cf::override;
894	},	1190	},
895	);	1191	);
896		1192
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
932	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1198	next unless -r $path;
934	eval {	1199
935	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;
936	1	1257	}
937	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
938	}	1263	};
939	}	1264	}
940		1265
941	#############################################################################	1266	#############################################################################
942		1267
		1268	=back
		1269
943	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
944		1271
945	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
946		1273
947	=cut	1274	=cut
…		…
959	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
960		1287
961	=cut	1288	=cut
962		1289
963	sub playerdir($) {	1290	sub playerdir($) {
964	cf::localdir	1291	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1293	}
970		1294
971	sub path($) {	1295	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1297
974	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
975	}	1299	}
976		1300
977	sub find_active($) {	1301	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1316	my $login = $_[0];
993		1317
994	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
995		1319
996	$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
997	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
998	or return;	1329	or return;
999	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
1000	}	1331	}
1001	}	1332	}
…		…
1038		1369
1039	=cut	1370	=cut
1040		1371
1041	sub quit_character {	1372	sub quit_character {
1042	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1043		1376
1044	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1045	$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
1046		1379
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1411	}
1059		1412
1060	=item cf::player::list_logins	1413	=item cf::player::list_logins
1061		1414
1062	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
1063	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1064		1417
1065	=cut	1418	=cut
1066		1419
1067	sub list_logins {	1420	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1422	or return [];
1070		1423
1071	my @logins;	1424	my @logins;
1072		1425
1073	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1108	}	1461	}
1109		1462
1110	\@paths	1463	\@paths
1111	}	1464	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1114		1517
1115	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1116		1519
1117	=cut	1520	=cut
1118		1521
1119	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1121		1524
1122	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1123		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1527	}
1126		1528
1127	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		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	$match
		1568	}
1128		1569
1129	=back	1570	=back
1130
1131		1571
1132	=head3 cf::map	1572	=head3 cf::map
1133		1573
1134	=over 4	1574	=over 4
1135		1575
…		…
1190	my ($self, $merge) = @_;	1630	my ($self, $merge) = @_;
1191		1631
1192	# we have to keep some variables in memory intact	1632	# we have to keep some variables in memory intact
1193	local $self->{path};	1633	local $self->{path};
1194	local $self->{load_path};	1634	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1635
1198	$self->SUPER::thawer_merge ($merge);	1636	$self->SUPER::thawer_merge ($merge);
1199	}	1637	}
1200		1638
1201	sub normalise {	1639	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1249	return $self;	1687	return $self;
1250	}	1688	}
1251	}	1689	}
1252		1690
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1692	()
1255	}	1693	}
1256		1694
1257	sub init {	1695	sub init {
1258	my ($self) = @_;	1696	my ($self) = @_;
…		…
1273		1711
1274	# the original (read-only) location	1712	# the original (read-only) location
1275	sub load_path {	1713	sub load_path {
1276	my ($self) = @_;	1714	my ($self) = @_;
1277		1715
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1716	"$MAPDIR/$self->{path}.map"
1279	}	1717	}
1280		1718
1281	# the temporary/swap location	1719	# the temporary/swap location
1282	sub save_path {	1720	sub save_path {
1283	my ($self) = @_;	1721	my ($self) = @_;
1284		1722
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1724	"$TMPDIR/$path.map"
1287	}	1725	}
1288		1726
1289	# the unique path, undef == no special unique path	1727	# the unique path, undef == no special unique path
1290	sub uniq_path {	1728	sub uniq_path {
1291	my ($self) = @_;	1729	my ($self) = @_;
1292		1730
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1732	"$UNIQUEDIR/$path"
1295	}	1733	}
1296		1734
1297	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1298	# all maps in C++...	1736	# all maps in C++...
1299	sub change_all_map_light {	1737	sub change_all_map_light {
…		…
1301		1739
1302	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1304	}	1742	}
1305		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
		1750	}
		1751
1306	sub unlink_save {	1752	sub unlink_save {
1307	my ($self) = @_;	1753	my ($self) = @_;
1308		1754
1309	utf8::encode (my $save = $self->save_path);	1755	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1756	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1757	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1758	}
1318		1759
1319	sub load_header_from($) {	1760	sub load_header_from($) {
1320	my ($self, $path) = @_;	1761	my ($self, $path) = @_;
1321		1762
…		…
1371	$self->load_header_orig	1812	$self->load_header_orig
1372	or return;	1813	or return;
1373	$self->prepare_orig;	1814	$self->prepare_orig;
1374	}	1815	}
1375		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
1376	1	1823	1
1377	}	1824	}
1378		1825
1379	sub find;	1826	sub find;
1380	sub find {	1827	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1393		1840
1394	$map->load_header	1841	$map->load_header
1395	or return;	1842	or return;
1396		1843
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1845	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1846	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1847	$map->reset;
1401	undef $guard;	1848	undef $guard;
1402	return find $path;	1849	return find $path;
…		…
1413	my ($self) = @_;	1860	my ($self) = @_;
1414		1861
1415	local $self->{deny_reset} = 1; # loading can take a long time	1862	local $self->{deny_reset} = 1; # loading can take a long time
1416		1863
1417	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1867	my $guard = cf::lock_acquire "map_load:$path";
1419		1868
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1870
1422	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1423		1872
1424	$self->alloc;	1873	$self->alloc;
1425		1874
1426	$self->pre_load;	1875	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1876	Coro::cede;
1452	$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;
1453	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1896	unless $self->difficulty;
1455	Coro::cede;	1897	Coro::cede;
		1898
		1899	unless ($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;
1456	$self->activate;	1906	$self->activate;
		1907	}
		1908
		1909	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1910	}
1458		1911
1459	$self->post_load;	1912	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1913	}
1463		1914
1464	sub customise_for {	1915	sub customise_for {
1465	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1466		1917
1467	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
1469		1923
1470	$self	1924	$self
1471	}	1925	}
1472		1926
1473	# 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
…		…
1520		1974
1521	undef $MAP_PREFETCH{$path};	1975	undef $MAP_PREFETCH{$path};
1522	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	1978	for my $path (keys %MAP_PREFETCH) {
1525	my $map = find $path	1979	if (my $map = find $path) {
1526	or next;
1527	$map->load;	1980	$map->load;
		1981	}
1528		1982
1529	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$path};
1530	}	1984	}
1531	}	1985	}
1532	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
…		…
1584		2038
1585	sub reset_at {	2039	sub reset_at {
1586	my ($self) = @_;	2040	my ($self) = @_;
1587		2041
1588	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1591		2044
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2047
…		…
1605	my ($self) = @_;	2058	my ($self) = @_;
1606		2059
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2061
1609	return if $self->players;	2062	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2063
1612	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	}
1613		2075
1614	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1615		2077
1616	$self->in_memory (cf::MAP_SWAPPED);
1617	$self->clear;	2078	$self->clear;
1618		2079
1619	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1620		2081
1621	$self->unlink_save;	2082	$self->unlink_save;
…		…
1640	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1641		2102
1642	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1643	}	2104	}
1644		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
1645	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1646		2143
1647	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2145	instantiated unique items. May block.
1649		2146
1650	=cut	2147	=cut
1651		2148
1652	sub unique_maps() {	2149	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1654	or return;	2151	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2152	utf8::decode $_;
1660	next if /\.pst$/;	2153	/\.map$/
1661	next unless /^$PATH_SEP/o;	2154	? normalise $_
1662		2155	: ()
1663	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2157	]
1665
1666	\@paths
1667	}	2158	}
1668		2159
1669	package cf;	2160	package cf;
1670		2161
1671	=back	2162	=back
…		…
1717		2208
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2210
1720	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1722	} 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 {
1723	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1725	}	2230	}
1726	}	2231	}
1727		2232
1728	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1729		2234
…		…
1777	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1778		2283
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2285
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1783		2288
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2290	}
1786		2291
1787	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1789		2296
1790	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1791		2298
1792	unless ($map) {	2299	unless ($map) {
1793	# restore original map position	2300	# restore original map position
…		…
1811	$map->load;	2318	$map->load;
1812	$map->load_diag;	2319	$map->load_diag;
1813		2320
1814	return unless $self->contr->active;	2321	return unless $self->contr->active;
1815	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1817	}	2326	}
1818		2327
1819	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2329
1823	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1827	};	2334	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2335
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1854		2339
1855	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1856	my ($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;
1857		2345
1858	$self->enter_link;	2346	$self->enter_link;
1859		2347
1860	(async {	2348	(async {
1861	my $map = eval {	2349	my $map = eval {
1862	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1863	$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
1864	$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 $@;
1865	} or	2365	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1869	})->prio (1);	2373	})->prio (1);
1870	}	2374	}
1871		2375
1872	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1873		2377
…		…
1912		2416
1913	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1914		2418
1915	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1918		2422
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2425	undef $fh;
1922	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1931		2435
1932	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1933		2437
1934	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1935	#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
1936	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1937	}	2443	}
1938		2444
1939	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;
1940	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1942		2448
1943	$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);
1944		2454
1945	(async {	2455	(async {
1946	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2457	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1949		2459
1950	1;	2460	1;
1951	}) {	2461	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "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. "
1954	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2466
1957	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2468	$self->leave_link;
1959	}	2469	}
1960	})->prio (1);	2470	})->prio (1);
…		…
1973		2483
1974	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1976		2486
1977	utf8::encode $text;	2487	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2489	}
1980		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	}
1981		2557
1982	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1983		2559
1984	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
1985	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>,
1986	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>.
1987		2563
1988	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
1989	reliable at some point in the future.	2565	become reliable at some point in the future.
1990		2566
1991	=cut	2567	=cut
1992		2568
1993	sub cf::client::query {	2569	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2578	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2580
2005	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
2007	}	2585	}
2008		2586
2009	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	},
2010	on_reply => sub {	2593	on_reply => sub {
2011	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
2012		2595
2013	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
2014	# get handled first	2597	# get handled first
…		…
2026	} else {	2609	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2611	}
2029	}	2612	}
2030	},	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	},
2031	);	2632	);
2032		2633
2033	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
2034		2635
2035	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2082		2683
2083	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
2084		2685
2085	=pod	2686	=pod
2086		2687
2087	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2088		2689
2089	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
2090	cf::object::player player	2694	cf::object::player
2091	cf::player peaceful	2695	player
2092	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2093		2702
2094	=cut	2703	=cut
2095		2704
2096	for (	2705	for (
2097	["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)],
2098	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2101	) {	2711	) {
2102	no strict 'refs';	2712	no strict 'refs';
…		…
2173	=back	2783	=back
2174		2784
2175	=cut	2785	=cut
2176		2786
2177	#############################################################################	2787	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248
2249	#############################################################################
2250	# the server's init and main functions	2788	# the server's init and main functions
2251		2789
2252	sub load_resources {	2790	sub load_facedata($) {
2253	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"
2254	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;
2255	}	2920	}
2256		2921
2257	sub cfg_load {	2922	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2924	or return;
2260		2925
2261	local $/;	2926	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2263		2928
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2936	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	2937	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	2938	};
2274	warn $@ if $@;	2939	warn $@ if $@;
2275	}	2940	}
2276	}
2277
2278	sub init {
2279	load_resources;
2280	}	2941	}
2281		2942
2282	sub main {	2943	sub main {
2283	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
…		…
2287	Event::one_event;	2948	Event::one_event;
2288	})->prio (Coro::PRIO_MAX);	2949	})->prio (Coro::PRIO_MAX);
2289	};	2950	};
2290		2951
2291	cfg_load;	2952	cfg_load;
2292	db_load;	2953	db_init;
2293	load_extensions;	2954	load_extensions;
2294		2955
2295	$TICK_WATCHER->start;	2956	$TICK_WATCHER->start;
2296	Event::loop;	2957	Event::loop;
2297	}	2958	}
…		…
2312	},	2973	},
2313	);	2974	);
2314	}	2975	}
2315	}	2976	}
2316		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
2317	sub emergency_save() {	3016	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2319		3018
2320	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2321		3020
…		…
2345	};	3044	};
2346		3045
2347	warn "leave emergency perl save\n";	3046	warn "leave emergency perl save\n";
2348	}	3047	}
2349		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2350	sub reload() {	3056	sub do_reload_perl() {
2351	# can/must only be called in main	3057	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2353	warn "can only reload from main coroutine";	3059	warn "can only reload from main coroutine";
2354	return;	3060	return;
2355	}	3061	}
2356		3062
2357	warn "reloading...";	3063	warn "reloading...";
2358		3064
2359	warn "cancelling server ticker";	3065	warn "entering sync_job";
2360	$TICK_WATCHER->cancel;
2361		3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2362	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2363		3071
2364	eval {	3072	warn "syncing database to disk";
		3073	BDB::db_env_txn_checkpoint $DB_ENV;
		3074
2365	# 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
2366		3076
2367	warn "cancelling all WF_AUTOCANCEL watchers";	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}	3080	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374		3081
2375	warn "flushing outstanding aio requests";	3082	warn "flushing outstanding aio requests";
2376	for (;;) {	3083	for (;;) {
2377	BDB::flush;	3084	BDB::flush;
2378	IO::AIO::flush;	3085	IO::AIO::flush;
2379	Coro::cede;	3086	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;	3087	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";	3088	warn "iterate...";
2382	}	3089	}
2383		3090
		3091	++$RELOAD;
		3092
2384	warn "cancelling all extension coros";	3093	warn "cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	3095	%EXT_CORO = ();
2387		3096
2388	warn "removing commands";	3097	warn "removing commands";
2389	%COMMAND = ();	3098	%COMMAND = ();
2390		3099
2391	warn "removing ext commands";	3100	warn "removing ext/exti commands";
2392	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2393		3103
2394	warn "unloading/nuking all extensions";	3104	warn "unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2397		3107
…		…
2427	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2428	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);
2429		3139
2430	warn "unloading cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2432		3143
2433	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2434	# and global variables created in xs	3145	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2436		3147
…		…
2440	require cf;	3151	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442		3153
2443	warn "loading config and database again";	3154	warn "loading config and database again";
2444	cf::cfg_load;	3155	cf::cfg_load;
2445	cf::db_load;
2446		3156
2447	warn "loading extensions";	3157	warn "loading extensions";
2448	cf::load_extensions;	3158	cf::load_extensions;
2449		3159
2450	warn "reattaching attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2451	_global_reattach;	3161	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	3162	warn "reattaching attachments to maps";
2453	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
		3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2454		3166
2455	warn "loading reloadable resources";	3167	warn "leaving sync_job";
2456	load_resources;
2457		3168
2458	warn "restarting server ticker";	3169	1
2459		3170	} or do {
2460	$TICK_WATCHER->start;
2461	};
2462
2463	if ($@) {
2464	warn $@;	3171	warn $@;
2465	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2466	exit 1;	3173	exit 1;
2467	}	3174	};
2468		3175
2469	warn "reloaded";	3176	warn "reloaded";
2470	};	3177	};
2471		3178
2472	our $RELOAD_WATCHER; # used only during reload	3179	our $RELOAD_WATCHER; # used only during reload
2473		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
2474	register_command "reload" => sub {	3196	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2476		3198
2477	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3200	$who->message ("reloading server.");
2479		3201	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	3202	}
2493	};	3203	};
2494		3204
2495	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2496		3206
2497	my $bug_warning = 0;	3207	my $bug_warning = 0;
2498		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;
2499	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3233	reentrant => 0,
2501	parked => 1,	3234	parked => 1,
2502	prio => 0,	3235	prio => 0,
2503	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
…		…
2507	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"
2508	unless ++$bug_warning > 10;	3241	unless ++$bug_warning > 10;
2509	return;	3242	return;
2510	}	3243	}
2511		3244
2512	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2513		3246
2514	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
2515	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2517		3274
2518	$WAIT_FOR_TICK->broadcast;	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
2520		3277	Coro::async_pool {
2521	Event::sweep;	3278	write_runtime
2522	Coro::cede_notself;	3279	or warn "ERROR: unable to write runtime file: $!";
		3280	};
2523		3281	}
		3282
2524	# my $AFTER = Event::time;	3283	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#	3284	# warn $AFTER - $NOW;#d#
2526		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
2527	# 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
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2529		3297
2530	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2531	$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
2532	},	3307	},
2533	);	3308	);
2534		3309
2535	{	3310	{
2536	BDB::max_poll_time $TICK * 0.1;	3311	BDB::max_poll_time $TICK * 0.1;
…		…
2564		3339
2565	cf::sync_job {	3340	cf::sync_job {
2566	eval {	3341	eval {
2567	BDB::db_env_open	3342	BDB::db_env_open
2568	$DB_ENV,	3343	$DB_ENV,
2569	$BDB_ENV_DIR,	3344	$BDBDIR,
2570	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
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	3347	0666;
2573		3348
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575		3350
2576	$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);
2577	$DB_ENV->set_lk_detect;	3352	$DB_ENV->set_lk_detect;
2578	};	3353	};
2579		3354
…		…
2587		3362
2588	undef $Coro::AIO::WATCHER;	3363	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	3364	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	3365	$AIO_POLL_WATCHER = Event->io (
2591	reentrant => 0,	3366	reentrant => 0,
		3367	data => WF_AUTOCANCEL,
2592	fd => IO::AIO::poll_fileno,	3368	fd => IO::AIO::poll_fileno,
2593	poll => 'r',	3369	poll => 'r',
2594	prio => 6,	3370	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,	3371	cb => \&IO::AIO::poll_cb,
2597	);	3372	);
2598	}	3373	}
2599		3374
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	3375	my $_log_backtrace;
2601	reentrant => 0,	3376
2602	data => WF_AUTOCANCEL,	3377	sub _log_backtrace {
2603	after => 1,	3378	my ($msg, @addr) = @_;
2604	interval => 10,	3379
2605	prio => 6, # keep it lowest so it acts like a watchdog	3380	$msg =~ s/\n//;
2606	cb => Coro::unblock_sub {	3381
2607	write_runtime	3382	# limit the # of concurrent backtraces
2608	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";
2609	},	3410	}
2610	);	3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
2611		3415
2612	END { cf::emergency_save }	3416	END { cf::emergency_save }
2613		3417
2614	1	3418	1
2615		3419

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